feat: enhance tooltip and global styles for improved visibility; implement custom tooltip rendering in CategoryTrendChart and enforce opacity settings in globals.css for Radix Portal and Recharts tooltips

.dockerignore

@@ -14,9 +14,3 @@ README.md
 .vscode
 .idea
 
-
-
-
-
-
-

.gitea/workflows/deploy.yml

@@ -0,0 +1,23 @@
+name: Deploy with Docker Compose
+
+on:
+  push:
+    branches:
+      - main # adapte la branche que tu veux déployer
+
+jobs:
+  deploy:
+    runs-on: mac-orbstack-runner # le nom que tu as donné au runner
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Deploy stack
+        env:
+          DOCKER_BUILDKIT: 1
+          COMPOSE_DOCKER_CLI_BUILD: 1
+          NEXTAUTH_SECRET: ${{ secrets.NEXTAUTH_SECRET }}
+          NEXTAUTH_URL: ${{ vars.NEXTAUTH_URL }}
+          DATA_VOLUME_PATH: ${{ vars.DATA_VOLUME_PATH }}
+        run: |
+          docker compose up -d --build

Dockerfile

@@ -12,7 +12,8 @@ WORKDIR /app
 
 # Copy package files
 COPY package.json pnpm-lock.yaml ./
-RUN pnpm install --frozen-lockfile
+RUN --mount=type=cache,id=pnpm-store,target=/root/.local/share/pnpm/store \
+    pnpm install --frozen-lockfile
 
 # Rebuild the source code only when needed
 FROM base AS builder

app/accounts/page.tsx

@@ -16,6 +16,7 @@ import { PageLayout, LoadingState, PageHeader } from "@/components/layout";
 import {
   AccountCard,
   AccountEditDialog,
+  AccountMergeSelectDialog,
   AccountBulkActions,
 } from "@/components/accounts";
 import { FolderEditDialog } from "@/components/folders";
@@ -28,6 +29,7 @@ import {
   updateFolder,
   deleteFolder,
 } from "@/lib/store-db";
+import { invalidateAllAccountQueries } from "@/lib/cache-utils";
 import { Card, CardContent } from "@/components/ui/card";
 import { Button } from "@/components/ui/button";
 import {
@@ -85,8 +87,7 @@ export default function AccountsPage() {
   // refresh function is not used directly, invalidations are done inline
 
   const refreshSilent = async () => {
-    await queryClient.invalidateQueries({ queryKey: ["accounts-with-stats"] });
+    invalidateAllAccountQueries(queryClient);
-    await queryClient.invalidateQueries({ queryKey: ["banking-metadata"] });
   };
   const [editingAccount, setEditingAccount] = useState<Account | null>(null);
   const [isDialogOpen, setIsDialogOpen] = useState(false);
@@ -99,6 +100,7 @@ export default function AccountsPage() {
     folderId: "folder-root",
     externalUrl: "",
     initialBalance: 0,
+    totalBalance: 0,
   });
 
   // Folder management state
@@ -111,6 +113,7 @@ export default function AccountsPage() {
   });
   const [activeId, setActiveId] = useState<string | null>(null);
   const [isCompactView, setIsCompactView] = useState(false);
+  const [isMergeDialogOpen, setIsMergeDialogOpen] = useState(false);
 
   const sensors = useSensors(
     useSensor(PointerSensor, {
@@ -131,7 +134,11 @@ export default function AccountsPage() {
 
   // Convert accountsWithStats to regular accounts for compatibility
   const accounts = accountsWithStats.map(
-    ({ transactionCount: _transactionCount, ...account }) => account,
+    ({
+      transactionCount: _transactionCount,
+      calculatedBalance: _calculatedBalance,
+      ...account
+    }) => account,
   );
 
   const formatCurrency = (amount: number) => {
@@ -143,12 +150,14 @@ export default function AccountsPage() {
 
   const handleEdit = (account: Account) => {
     setEditingAccount(account);
+    const totalBalance = getAccountBalance(account);
     setFormData({
       name: account.name,
       type: account.type,
       folderId: account.folderId || "folder-root",
       externalUrl: account.externalUrl || "",
       initialBalance: account.initialBalance || 0,
+      totalBalance: totalBalance,
     });
     setIsDialogOpen(true);
   };
@@ -157,17 +166,25 @@ export default function AccountsPage() {
     if (!editingAccount) return;
 
     try {
+      // Calculer le balance à partir du solde total et du solde initial
+      // balance = totalBalance - initialBalance
+      const balance = formData.totalBalance - formData.initialBalance;
+
+      // Convertir "folder-root" en null
+      const folderId =
+        formData.folderId === "folder-root" ? null : formData.folderId;
+
       const updatedAccount = {
         ...editingAccount,
         name: formData.name,
         type: formData.type,
-        folderId: formData.folderId,
+        folderId: folderId,
         externalUrl: formData.externalUrl || null,
         initialBalance: formData.initialBalance,
+        balance: balance,
       };
       await updateAccount(updatedAccount);
-      queryClient.invalidateQueries({ queryKey: ["accounts-with-stats"] });
+      invalidateAllAccountQueries(queryClient);
-      queryClient.invalidateQueries({ queryKey: ["banking-metadata"] });
       setIsDialogOpen(false);
       setEditingAccount(null);
     } catch (error) {
@@ -181,8 +198,7 @@ export default function AccountsPage() {
 
     try {
       await deleteAccount(accountId);
-      queryClient.invalidateQueries({ queryKey: ["accounts-with-stats"] });
+      invalidateAllAccountQueries(queryClient);
-      queryClient.invalidateQueries({ queryKey: ["banking-metadata"] });
     } catch (error) {
       console.error("Error deleting account:", error);
       alert("Erreur lors de la suppression du compte");
@@ -210,8 +226,7 @@ export default function AccountsPage() {
         throw new Error("Failed to delete accounts");
       }
       setSelectedAccounts(new Set());
-      queryClient.invalidateQueries({ queryKey: ["accounts-with-stats"] });
+      invalidateAllAccountQueries(queryClient);
-      queryClient.invalidateQueries({ queryKey: ["banking-metadata"] });
     } catch (error) {
       console.error("Error deleting accounts:", error);
       alert("Erreur lors de la suppression des comptes");
@@ -267,8 +282,7 @@ export default function AccountsPage() {
           icon: "folder",
         });
       }
-      queryClient.invalidateQueries({ queryKey: ["accounts-with-stats"] });
+      invalidateAllAccountQueries(queryClient);
-      queryClient.invalidateQueries({ queryKey: ["banking-metadata"] });
       setIsFolderDialogOpen(false);
     } catch (error) {
       console.error("Error saving folder:", error);
@@ -286,14 +300,50 @@ export default function AccountsPage() {
 
     try {
       await deleteFolder(folderId);
-      queryClient.invalidateQueries({ queryKey: ["accounts-with-stats"] });
+      invalidateAllAccountQueries(queryClient);
-      queryClient.invalidateQueries({ queryKey: ["banking-metadata"] });
     } catch (error) {
       console.error("Error deleting folder:", error);
       alert("Erreur lors de la suppression du dossier");
     }
   };
 
+  const handleMergeAccounts = async (
+    sourceAccountId: string,
+    targetAccountId: string,
+  ) => {
+    try {
+      const response = await fetch("/api/banking/accounts/merge", {
+        method: "POST",
+        headers: {
+          "Content-Type": "application/json",
+        },
+        body: JSON.stringify({
+          sourceAccountId,
+          targetAccountId,
+        }),
+      });
+
+      if (!response.ok) {
+        const error = await response.json();
+        throw new Error(error.error || "Failed to merge accounts");
+      }
+
+      const result = await response.json();
+      invalidateAllAccountQueries(queryClient);
+
+      // Réinitialiser la sélection
+      setSelectedAccounts(new Set());
+
+      // Afficher un message de succès
+      alert(
+        `Fusion réussie ! ${result.transactionCount} transactions déplacées vers le compte de destination.`,
+      );
+    } catch (error) {
+      console.error("Error merging accounts:", error);
+      throw error;
+    }
+  };
+
   // Drag and drop handlers
   const handleDragStart = (event: DragStartEvent) => {
     setActiveId(event.active.id as string);
@@ -339,7 +389,16 @@ export default function AccountsPage() {
         // Update cache directly
         queryClient.setQueryData(
           ["accounts-with-stats"],
-          (old: Array<Account & { transactionCount: number }> | undefined) => {
+          (
+            old:
+              | Array<
+                  Account & {
+                    transactionCount: number;
+                    calculatedBalance: number;
+                  }
+                >
+              | undefined,
+          ) => {
             if (!old) return old;
             return old.map((a) => (a.id === accountId ? updatedAccount : a));
           },
@@ -353,8 +412,7 @@ export default function AccountsPage() {
         } catch (error) {
           console.error("Error moving account:", error);
           // Rollback en cas d'erreur - refresh data
-          queryClient.invalidateQueries({ queryKey: ["accounts-with-stats"] });
+          invalidateAllAccountQueries(queryClient);
-          queryClient.invalidateQueries({ queryKey: ["banking-metadata"] });
           alert("Erreur lors du déplacement du compte");
         }
       }
@@ -464,7 +522,13 @@ export default function AccountsPage() {
         <>
           <AccountBulkActions
             selectedCount={selectedAccounts.size}
+            selectedAccountIds={Array.from(selectedAccounts)}
             onDelete={handleBulkDelete}
+            onMerge={
+              selectedAccounts.size === 2
+                ? () => setIsMergeDialogOpen(true)
+                : undefined
+            }
           />
           <DndContext
             sensors={sensors}
@@ -514,12 +578,18 @@ export default function AccountsPage() {
                           (f: FolderType) => f.id === account.folderId,
                         );
 
+                        const accountWithStats = accountsWithStats.find(
+                          (a) => a.id === account.id,
+                        );
                         return (
                           <AccountCard
                             key={account.id}
                             account={account}
                             folder={folder}
                             transactionCount={getTransactionCount(account.id)}
+                            calculatedBalance={
+                              accountWithStats?.calculatedBalance
+                            }
                             onEdit={handleEdit}
                             onDelete={handleDelete}
                             formatCurrency={formatCurrency}
@@ -631,12 +701,18 @@ export default function AccountsPage() {
                             (f: FolderType) => f.id === account.folderId,
                           );
 
+                          const accountWithStats = accountsWithStats.find(
+                            (a) => a.id === account.id,
+                          );
                           return (
                             <AccountCard
                               key={account.id}
                               account={account}
                               folder={accountFolder}
                               transactionCount={getTransactionCount(account.id)}
+                              calculatedBalance={
+                                accountWithStats?.calculatedBalance
+                              }
                               onEdit={handleEdit}
                               onDelete={handleDelete}
                               formatCurrency={formatCurrency}
@@ -702,6 +778,21 @@ export default function AccountsPage() {
         folders={metadata.folders}
         onSave={handleSaveFolder}
       />
+
+      <AccountMergeSelectDialog
+        open={isMergeDialogOpen}
+        onOpenChange={(open) => {
+          setIsMergeDialogOpen(open);
+          if (!open) {
+            // Réinitialiser la sélection après fusion
+            setSelectedAccounts(new Set());
+          }
+        }}
+        accounts={accounts}
+        selectedAccountIds={Array.from(selectedAccounts)}
+        onMerge={handleMergeAccounts}
+        formatCurrency={formatCurrency}
+      />
     </PageLayout>
   );
 }

app/api/banking/accounts/merge/route.ts

@@ -0,0 +1,128 @@
+import { NextRequest, NextResponse } from "next/server";
+import { revalidatePath } from "next/cache";
+import { prisma } from "@/lib/prisma";
+import { requireAuth } from "@/lib/auth-utils";
+
+export async function POST(request: NextRequest) {
+  const authError = await requireAuth();
+  if (authError) return authError;
+
+  try {
+    const { sourceAccountId, targetAccountId } = await request.json();
+
+    if (!sourceAccountId || !targetAccountId) {
+      return NextResponse.json(
+        { error: "Source and target account IDs are required" },
+        { status: 400 },
+      );
+    }
+
+    if (sourceAccountId === targetAccountId) {
+      return NextResponse.json(
+        { error: "Source and target accounts must be different" },
+        { status: 400 },
+      );
+    }
+
+    // Vérifier que les comptes existent
+    const [sourceAccount, targetAccount] = await Promise.all([
+      prisma.account.findUnique({
+        where: { id: sourceAccountId },
+        include: {
+          transactions: {
+            select: {
+              id: true,
+            },
+          },
+        },
+      }),
+      prisma.account.findUnique({
+        where: { id: targetAccountId },
+      }),
+    ]);
+
+    if (!sourceAccount || !targetAccount) {
+      return NextResponse.json(
+        { error: "One or both accounts not found" },
+        { status: 404 },
+      );
+    }
+
+    const transactionCount = sourceAccount.transactions.length;
+
+    // Déplacer toutes les transactions vers le compte cible
+    await prisma.transaction.updateMany({
+      where: {
+        accountId: sourceAccountId,
+      },
+      data: {
+        accountId: targetAccountId,
+      },
+    });
+
+    // Recalculer le solde du compte cible à partir de toutes ses transactions
+    const allTransactions = await prisma.transaction.findMany({
+      where: {
+        accountId: targetAccountId,
+      },
+      select: {
+        amount: true,
+      },
+    });
+
+    const calculatedBalance = allTransactions.reduce(
+      (sum, t) => sum + t.amount,
+      0,
+    );
+
+    // Calculer l'initialBalance total (somme des deux comptes)
+    const totalInitialBalance =
+      sourceAccount.initialBalance + targetAccount.initialBalance;
+
+    // Mettre à jour le compte cible
+    await prisma.account.update({
+      where: {
+        id: targetAccountId,
+      },
+      data: {
+        balance: calculatedBalance,
+        initialBalance: totalInitialBalance,
+        // Garder le bankId du compte cible (celui qui est conservé)
+        // Garder le dernier import le plus récent
+        lastImport:
+          sourceAccount.lastImport && targetAccount.lastImport
+            ? sourceAccount.lastImport > targetAccount.lastImport
+              ? sourceAccount.lastImport
+              : targetAccount.lastImport
+            : sourceAccount.lastImport || targetAccount.lastImport,
+      },
+    });
+
+    // Supprimer le compte source
+    await prisma.account.delete({
+      where: {
+        id: sourceAccountId,
+      },
+    });
+
+    // Revalider les caches
+    revalidatePath("/accounts", "page");
+    revalidatePath("/transactions", "page");
+    revalidatePath("/statistics", "page");
+    revalidatePath("/dashboard", "page");
+
+    return NextResponse.json({
+      success: true,
+      message: `Fusion réussie : ${transactionCount} transactions déplacées`,
+      targetAccountId,
+      transactionCount,
+      calculatedBalance,
+    });
+  } catch (error) {
+    console.error("Error merging accounts:", error);
+    return NextResponse.json(
+      { error: "Failed to merge accounts" },
+      { status: 500 },
+    );
+  }
+}

app/api/banking/accounts/route.ts

@@ -1,4 +1,5 @@
 import { NextRequest, NextResponse } from "next/server";
+import { revalidatePath } from "next/cache";
 import { accountService } from "@/services/account.service";
 import { bankingService } from "@/services/banking.service";
 import { requireAuth } from "@/lib/auth-utils";
@@ -14,11 +15,7 @@ export async function GET(request: NextRequest) {
 
     if (withStats) {
       const accountsWithStats = await bankingService.getAccountsWithStats();
-      return NextResponse.json(accountsWithStats, {
+      return NextResponse.json(accountsWithStats);
-        headers: {
-          "Cache-Control": "public, s-maxage=60, stale-while-revalidate=120",
-        },
-      });
     }
 
     return NextResponse.json({ error: "Invalid request" }, { status: 400 });
@@ -38,7 +35,18 @@ export async function POST(request: Request) {
   try {
     const data: Omit<Account, "id"> = await request.json();
     const created = await accountService.create(data);
-    return NextResponse.json(created);
+
+    // Revalider le cache serveur
+    revalidatePath("/accounts", "page");
+    revalidatePath("/transactions", "page");
+    revalidatePath("/statistics", "page");
+    revalidatePath("/dashboard", "page");
+
+    return NextResponse.json(created, {
+      headers: {
+        "Cache-Control": "no-store",
+      },
+    });
   } catch (error) {
     console.error("Error creating account:", error);
     return NextResponse.json(
@@ -55,7 +63,18 @@ export async function PUT(request: Request) {
   try {
     const account: Account = await request.json();
     const updated = await accountService.update(account.id, account);
-    return NextResponse.json(updated);
+
+    // Revalider le cache serveur
+    revalidatePath("/accounts", "page");
+    revalidatePath("/transactions", "page");
+    revalidatePath("/statistics", "page");
+    revalidatePath("/dashboard", "page");
+
+    return NextResponse.json(updated, {
+      headers: {
+        "Cache-Control": "no-store",
+      },
+    });
   } catch (error) {
     console.error("Error updating account:", error);
     return NextResponse.json(
@@ -84,7 +103,21 @@ export async function DELETE(request: Request) {
         );
       }
       await accountService.deleteMany(accountIds);
-      return NextResponse.json({ success: true, count: accountIds.length });
+
+      // Revalider le cache serveur
+      revalidatePath("/accounts", "page");
+      revalidatePath("/transactions", "page");
+      revalidatePath("/statistics", "page");
+      revalidatePath("/dashboard", "page");
+
+      return NextResponse.json(
+        { success: true, count: accountIds.length },
+        {
+          headers: {
+            "Cache-Control": "no-store",
+          },
+        },
+      );
     }
 
     if (!id) {
@@ -95,7 +128,21 @@ export async function DELETE(request: Request) {
     }
 
     await accountService.delete(id);
-    return NextResponse.json({ success: true });
+
+    // Revalider le cache serveur
+    revalidatePath("/accounts", "page");
+    revalidatePath("/transactions", "page");
+    revalidatePath("/statistics", "page");
+    revalidatePath("/dashboard", "page");
+
+    return NextResponse.json(
+      { success: true },
+      {
+        headers: {
+          "Cache-Control": "no-store",
+        },
+      },
+    );
   } catch (error) {
     console.error("Error deleting account:", error);
     return NextResponse.json(

app/api/banking/categories/route.ts

@@ -1,4 +1,5 @@
 import { NextRequest, NextResponse } from "next/server";
+import { revalidatePath } from "next/cache";
 import { categoryService } from "@/services/category.service";
 import { bankingService } from "@/services/banking.service";
 import { requireAuth } from "@/lib/auth-utils";
@@ -14,11 +15,7 @@ export async function GET(request: NextRequest) {
 
     if (statsOnly) {
       const stats = await bankingService.getCategoryStats();
-      return NextResponse.json(stats, {
+      return NextResponse.json(stats);
-        headers: {
-          "Cache-Control": "public, s-maxage=60, stale-while-revalidate=120",
-        },
-      });
     }
 
     return NextResponse.json({ error: "Invalid request" }, { status: 400 });
@@ -37,7 +34,18 @@ export async function POST(request: Request) {
   try {
     const data: Omit<Category, "id"> = await request.json();
     const created = await categoryService.create(data);
-    return NextResponse.json(created);
+
+    // Revalider le cache serveur
+    revalidatePath("/categories", "page");
+    revalidatePath("/transactions", "page");
+    revalidatePath("/statistics", "page");
+    revalidatePath("/rules", "page");
+
+    return NextResponse.json(created, {
+      headers: {
+        "Cache-Control": "no-store",
+      },
+    });
   } catch (error) {
     console.error("Error creating category:", error);
     return NextResponse.json(
@@ -54,7 +62,18 @@ export async function PUT(request: Request) {
   try {
     const category: Category = await request.json();
     const updated = await categoryService.update(category.id, category);
-    return NextResponse.json(updated);
+
+    // Revalider le cache serveur
+    revalidatePath("/categories", "page");
+    revalidatePath("/transactions", "page");
+    revalidatePath("/statistics", "page");
+    revalidatePath("/rules", "page");
+
+    return NextResponse.json(updated, {
+      headers: {
+        "Cache-Control": "no-store",
+      },
+    });
   } catch (error) {
     console.error("Error updating category:", error);
     return NextResponse.json(
@@ -80,7 +99,21 @@ export async function DELETE(request: Request) {
     }
 
     await categoryService.delete(id);
-    return NextResponse.json({ success: true });
+
+    // Revalider le cache serveur
+    revalidatePath("/categories", "page");
+    revalidatePath("/transactions", "page");
+    revalidatePath("/statistics", "page");
+    revalidatePath("/rules", "page");
+
+    return NextResponse.json(
+      { success: true },
+      {
+        headers: {
+          "Cache-Control": "no-store",
+        },
+      },
+    );
   } catch (error) {
     console.error("Error deleting category:", error);
     return NextResponse.json(

app/api/banking/duplicates/ids/route.ts

@@ -0,0 +1,19 @@
+import { NextResponse } from "next/server";
+import { transactionService } from "@/services/transaction.service";
+import { requireAuth } from "@/lib/auth-utils";
+
+export async function GET() {
+  const authError = await requireAuth();
+  if (authError) return authError;
+
+  try {
+    const duplicateIds = await transactionService.getDuplicateIds();
+    return NextResponse.json({ duplicateIds: Array.from(duplicateIds) });
+  } catch (error) {
+    console.error("Error finding duplicate IDs:", error);
+    return NextResponse.json(
+      { error: "Failed to find duplicate IDs" },
+      { status: 500 },
+    );
+  }
+}

app/api/banking/folders/route.ts

@@ -1,4 +1,5 @@
 import { NextResponse } from "next/server";
+import { revalidatePath } from "next/cache";
 import { folderService, FolderNotFoundError } from "@/services/folder.service";
 import { requireAuth } from "@/lib/auth-utils";
 import type { Folder } from "@/lib/types";
@@ -9,7 +10,15 @@ export async function POST(request: Request) {
   try {
     const data: Omit<Folder, "id"> = await request.json();
     const created = await folderService.create(data);
-    return NextResponse.json(created);
+
+    // Revalider le cache des pages
+    revalidatePath("/accounts", "page");
+
+    return NextResponse.json(created, {
+      headers: {
+        "Cache-Control": "no-store",
+      },
+    });
   } catch (error) {
     console.error("Error creating folder:", error);
     return NextResponse.json(
@@ -26,7 +35,15 @@ export async function PUT(request: Request) {
   try {
     const folder: Folder = await request.json();
     const updated = await folderService.update(folder.id, folder);
-    return NextResponse.json(updated);
+
+    // Revalider le cache des pages
+    revalidatePath("/accounts", "page");
+
+    return NextResponse.json(updated, {
+      headers: {
+        "Cache-Control": "no-store",
+      },
+    });
   } catch (error) {
     console.error("Error updating folder:", error);
     return NextResponse.json(
@@ -52,7 +69,18 @@ export async function DELETE(request: Request) {
     }
 
     await folderService.delete(id);
-    return NextResponse.json({ success: true });
+
+    // Revalider le cache des pages
+    revalidatePath("/accounts", "page");
+
+    return NextResponse.json(
+      { success: true },
+      {
+        headers: {
+          "Cache-Control": "no-store",
+        },
+      },
+    );
   } catch (error) {
     if (error instanceof FolderNotFoundError) {
       return NextResponse.json({ error: "Folder not found" }, { status: 404 });

app/api/banking/route.ts

@@ -12,19 +12,11 @@ export async function GET(request: NextRequest) {
 
     if (metadataOnly) {
       const metadata = await bankingService.getMetadata();
-      return NextResponse.json(metadata, {
+      return NextResponse.json(metadata);
-        headers: {
-          "Cache-Control": "public, s-maxage=300, stale-while-revalidate=600",
-        },
-      });
     }
 
     const data = await bankingService.getAllData();
-    return NextResponse.json(data, {
+    return NextResponse.json(data);
-      headers: {
-        "Cache-Control": "public, s-maxage=60, stale-while-revalidate=120",
-      },
-    });
   } catch (error) {
     console.error("Error fetching banking data:", error);
     return NextResponse.json(

app/api/banking/transactions/clear-categories/route.ts

@@ -1,4 +1,5 @@
 import { NextResponse } from "next/server";
+import { revalidatePath } from "next/cache";
 import { prisma } from "@/lib/prisma";
 import { requireAuth } from "@/lib/auth-utils";
 
@@ -15,10 +16,23 @@ export async function POST() {
       },
     });
 
-    return NextResponse.json({
+    // Revalider le cache des pages
+    revalidatePath("/transactions", "page");
+    revalidatePath("/statistics", "page");
+    revalidatePath("/categories", "page");
+    revalidatePath("/dashboard", "page");
+
+    return NextResponse.json(
+      {
         success: true,
         count: result.count,
-    });
+      },
+      {
+        headers: {
+          "Cache-Control": "no-store",
+        },
+      },
+    );
   } catch (error) {
     console.error("Error clearing categories:", error);
     return NextResponse.json(

app/api/banking/transactions/deduplicate/route.ts

@@ -1,4 +1,5 @@
 import { NextResponse } from "next/server";
+import { revalidatePath } from "next/cache";
 import { transactionService } from "@/services/transaction.service";
 import { requireAuth } from "@/lib/auth-utils";
 
@@ -8,7 +9,17 @@ export async function POST() {
 
   try {
     const result = await transactionService.deduplicate();
-    return NextResponse.json(result);
+
+    // Revalider le cache des pages
+    revalidatePath("/transactions", "page");
+    revalidatePath("/statistics", "page");
+    revalidatePath("/dashboard", "page");
+
+    return NextResponse.json(result, {
+      headers: {
+        "Cache-Control": "no-store",
+      },
+    });
   } catch (error) {
     console.error("Error deduplicating transactions:", error);
     return NextResponse.json(

app/api/banking/transactions/reconcile-date-range/route.ts

@@ -0,0 +1,68 @@
+import { NextRequest, NextResponse } from "next/server";
+import { revalidatePath } from "next/cache";
+import { transactionService } from "@/services/transaction.service";
+import { requireAuth } from "@/lib/auth-utils";
+
+export async function POST(request: NextRequest) {
+  const authError = await requireAuth();
+  if (authError) return authError;
+
+  try {
+    const body = await request.json();
+    const { startDate, endDate, reconciled = true } = body;
+
+    if (!endDate) {
+      return NextResponse.json(
+        { error: "endDate is required" },
+        { status: 400 },
+      );
+    }
+
+    // Validate date format (YYYY-MM-DD)
+    const dateRegex = /^\d{4}-\d{2}-\d{2}$/;
+    if (startDate && !dateRegex.test(startDate)) {
+      return NextResponse.json(
+        { error: "Invalid startDate format. Expected YYYY-MM-DD" },
+        { status: 400 },
+      );
+    }
+    if (!dateRegex.test(endDate)) {
+      return NextResponse.json(
+        { error: "Invalid endDate format. Expected YYYY-MM-DD" },
+        { status: 400 },
+      );
+    }
+
+    if (startDate && startDate > endDate) {
+      return NextResponse.json(
+        { error: "startDate must be before or equal to endDate" },
+        { status: 400 },
+      );
+    }
+
+    const result = await transactionService.reconcileByDateRange(
+      startDate,
+      endDate,
+      reconciled,
+    );
+
+    // Revalider le cache des pages
+    revalidatePath("/transactions", "page");
+    revalidatePath("/statistics", "page");
+    revalidatePath("/dashboard", "page");
+    revalidatePath("/settings", "page");
+
+    return NextResponse.json(result, {
+      headers: {
+        "Cache-Control": "no-store",
+      },
+    });
+  } catch (error) {
+    console.error("Error reconciling transactions by date range:", error);
+    const errorMessage =
+      error instanceof Error
+        ? error.message
+        : "Failed to reconcile transactions";
+    return NextResponse.json({ error: errorMessage }, { status: 500 });
+  }
+}

app/api/banking/transactions/route.ts

@@ -1,4 +1,5 @@
 import { NextRequest, NextResponse } from "next/server";
+import { revalidatePath } from "next/cache";
 import { transactionService } from "@/services/transaction.service";
 import { bankingService } from "@/services/banking.service";
 import { requireAuth } from "@/lib/auth-utils";
@@ -28,7 +29,7 @@ export async function GET(request: NextRequest) {
       searchParams.get("includeUncategorized") === "true";
     const search = searchParams.get("search") || undefined;
     const isReconciledParam = searchParams.get("isReconciled");
-    const isReconciled =
+    const isReconciled: boolean | "all" =
       isReconciledParam === "true"
         ? true
         : isReconciledParam === "false"
@@ -40,7 +41,7 @@ export async function GET(request: NextRequest) {
     const sortOrder =
       (searchParams.get("sortOrder") as "asc" | "desc") || "desc";
 
-    const result = await bankingService.getTransactionsPaginated({
+    const params = {
       limit,
       offset,
       startDate,
@@ -52,13 +53,13 @@ export async function GET(request: NextRequest) {
       isReconciled,
       sortField,
       sortOrder,
-    });
+    };
 
-    return NextResponse.json(result, {
+    // Pas de cache serveur pour garantir des données toujours à jour
-      headers: {
+    // Le cache client React Query gère déjà la mise en cache côté client
-        "Cache-Control": "public, s-maxage=60, stale-while-revalidate=120",
+    const result = await bankingService.getTransactionsPaginated(params);
-      },
+
-    });
+    return NextResponse.json(result);
   } catch (error) {
     console.error("Error fetching transactions:", error);
     return NextResponse.json(
@@ -74,7 +75,17 @@ export async function POST(request: Request) {
   try {
     const transactions: Transaction[] = await request.json();
     const result = await transactionService.createMany(transactions);
-    return NextResponse.json(result);
+
+    // Revalider le cache des pages
+    revalidatePath("/transactions", "page");
+    revalidatePath("/statistics", "page");
+    revalidatePath("/dashboard", "page");
+
+    return NextResponse.json(result, {
+      headers: {
+        "Cache-Control": "no-store",
+      },
+    });
   } catch (error) {
     console.error("Error creating transactions:", error);
     return NextResponse.json(
@@ -94,7 +105,17 @@ export async function PUT(request: Request) {
       transaction.id,
       transaction,
     );
-    return NextResponse.json(updated);
+
+    // Revalider le cache des pages
+    revalidatePath("/transactions", "page");
+    revalidatePath("/statistics", "page");
+    revalidatePath("/dashboard", "page");
+
+    return NextResponse.json(updated, {
+      headers: {
+        "Cache-Control": "no-store",
+      },
+    });
   } catch (error) {
     console.error("Error updating transaction:", error);
     return NextResponse.json(
@@ -120,14 +141,24 @@ export async function DELETE(request: Request) {
     }
 
     await transactionService.delete(id);
-    return NextResponse.json({ success: true });
+
+    // Revalider le cache des pages
+    revalidatePath("/transactions", "page");
+    revalidatePath("/statistics", "page");
+    revalidatePath("/dashboard", "page");
+
+    return NextResponse.json(
+      { success: true },
+      {
+        headers: {
+          "Cache-Control": "no-store",
+        },
+      },
+    );
   } catch (error) {
     console.error("Error deleting transaction:", error);
     const errorMessage =
       error instanceof Error ? error.message : "Failed to delete transaction";
-    return NextResponse.json(
+    return NextResponse.json({ error: errorMessage }, { status: 500 });
-      { error: errorMessage },
-      { status: 500 },
-    );
   }
 }

app/categories/page.tsx

@@ -11,6 +11,7 @@ import {
 import { useBankingMetadata, useCategoryStats } from "@/lib/hooks";
 import { useQueryClient } from "@tanstack/react-query";
 import { Button } from "@/components/ui/button";
+import { Card } from "@/components/ui/card";
 import {
   Dialog,
   DialogContent,
@@ -28,6 +29,8 @@ import {
   deleteCategory,
 } from "@/lib/store-db";
 import type { Category, Transaction } from "@/lib/types";
+import { invalidateAllCategoryQueries } from "@/lib/cache-utils";
+import { useLocalStorage } from "@/hooks/use-local-storage";
 
 interface RecategorizationResult {
   transaction: Transaction;
@@ -57,6 +60,12 @@ export default function CategoriesPage() {
   const [isRecatDialogOpen, setIsRecatDialogOpen] = useState(false);
   const [isRecategorizing, setIsRecategorizing] = useState(false);
 
+  // Persister l'état "tout déplier" dans le localStorage
+  const [expandAllByDefault, setExpandAllByDefault] = useLocalStorage(
+    "categories-expand-all-by-default",
+    true,
+  );
+
   // Organiser les catégories par parent
   const { parentCategories, childrenByParent, orphanCategories } =
     useMemo(() => {
@@ -96,17 +105,22 @@ export default function CategoriesPage() {
       };
     }, [metadata?.categories]);
 
-  // Initialiser tous les parents comme ouverts
+  // Initialiser tous les parents selon la préférence sauvegardée
   useEffect(() => {
     if (parentCategories.length > 0 && expandedParents.size === 0) {
-      setExpandedParents(new Set(parentCategories.map((p: Category) => p.id)));
+      if (expandAllByDefault) {
+        setExpandedParents(
+          new Set(parentCategories.map((p: Category) => p.id)),
+        );
+      } else {
+        setExpandedParents(new Set());
+      }
     }
     // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [parentCategories.length]);
+  }, [parentCategories.length, expandAllByDefault]);
 
   const refresh = useCallback(() => {
-    queryClient.invalidateQueries({ queryKey: ["banking-metadata"] });
+    invalidateAllCategoryQueries(queryClient);
-    queryClient.invalidateQueries({ queryKey: ["category-stats"] });
   }, [queryClient]);
 
   const getCategoryStats = useCallback(
@@ -162,10 +176,12 @@ export default function CategoriesPage() {
 
   const expandAll = () => {
     setExpandedParents(new Set(parentCategories.map((p: Category) => p.id)));
+    setExpandAllByDefault(true);
   };
 
   const collapseAll = () => {
     setExpandedParents(new Set());
+    setExpandAllByDefault(false);
   };
 
   const allExpanded =
@@ -338,7 +354,7 @@ export default function CategoriesPage() {
         onToggleAll={allExpanded ? collapseAll : expandAll}
       />
 
-      <div className="space-y-1">
+      <div className="space-y-3 md:space-y-4">
         {filteredParentCategories.map((parent: Category) => {
           const allChildren = childrenByParent[parent.id] || [];
           const children = searchQuery.trim()
@@ -374,8 +390,8 @@ export default function CategoriesPage() {
         })}
 
         {orphanCategories.length > 0 && (
-          <div className="border rounded-lg bg-card">
+          <Card className="card-hover">
-            <div className="px-3 py-2 border-b">
+            <div className="px-3 py-2 border-b border-border">
               <span className="text-sm font-medium text-muted-foreground">
                 Catégories non classées ({orphanCategories.length})
               </span>
@@ -392,7 +408,7 @@ export default function CategoriesPage() {
                 />
               ))}
             </div>
-          </div>
+          </Card>
         )}
       </div>
 

app/layout.tsx

@@ -4,6 +4,8 @@ import { Geist, Geist_Mono } from "next/font/google";
 import "./globals.css";
 import { AuthSessionProvider } from "@/components/providers/session-provider";
 import { QueryProvider } from "@/components/providers/query-provider";
+import { BackgroundProvider } from "@/components/providers/background-provider";
+import { ThemeProvider } from "@/components/theme-provider";
 
 const _geist = Geist({ subsets: ["latin"] });
 const _geistMono = Geist_Mono({ subsets: ["latin"] });
@@ -21,11 +23,19 @@ export default function RootLayout({
   children: React.ReactNode;
 }>) {
   return (
-    <html lang="fr">
+    <html lang="fr" suppressHydrationWarning>
       <body className="font-sans antialiased">
+        <ThemeProvider
+          attribute="class"
+          defaultTheme="light"
+          enableSystem={false}
+          disableTransitionOnChange
+        >
+          <BackgroundProvider />
           <QueryProvider>
             <AuthSessionProvider>{children}</AuthSessionProvider>
           </QueryProvider>
+        </ThemeProvider>
       </body>
     </html>
   );

app/login/page.tsx

@@ -48,7 +48,7 @@ export default function LoginPage() {
 
   return (
     <div className="min-h-screen flex items-center justify-center bg-[var(--background)] p-4 page-background">
-      <Card className="w-full max-w-md page-content">
+      <Card className="w-full max-w-md page-content card-hover">
         <CardHeader className="space-y-1">
           <div className="flex items-center justify-center mb-4">
             <Lock className="w-12 h-12 text-[var(--primary)]" />

app/page.tsx

@@ -8,7 +8,6 @@ import { AccountsSummary } from "@/components/dashboard/accounts-summary";
 import { CategoryBreakdown } from "@/components/dashboard/category-breakdown";
 import { OFXImportDialog } from "@/components/import/ofx-import-dialog";
 import { AccountFilterCombobox } from "@/components/ui/account-filter-combobox";
-import { Card, CardContent } from "@/components/ui/card";
 import { useBankingData } from "@/lib/hooks";
 import { Button } from "@/components/ui/button";
 import { Upload } from "lucide-react";
@@ -60,8 +59,7 @@ export default function DashboardPage() {
         }
       />
 
-      <Card className="mb-6 card-hover">
+      <div className="mb-6">
-        <CardContent className="px-5 py-5 sm:px-6 sm:py-6">
         <AccountFilterCombobox
           accounts={data.accounts}
           folders={data.folders}
@@ -70,8 +68,7 @@ export default function DashboardPage() {
           className="w-full md:w-[320px]"
           filteredTransactions={data.transactions}
         />
-        </CardContent>
+      </div>
-      </Card>
 
       <OverviewCards data={filteredData} />
 

app/rules/page.tsx

@@ -18,6 +18,10 @@ import {
   suggestKeyword,
 } from "@/components/rules/constants";
 import type { Transaction } from "@/lib/types";
+import {
+  invalidateAllTransactionQueries,
+  invalidateAllCategoryQueries,
+} from "@/lib/cache-utils";
 
 interface TransactionGroup {
   key: string;
@@ -32,31 +36,26 @@ export default function RulesPage() {
   const { data: metadata, isLoading: isLoadingMetadata } = useBankingMetadata();
 
   // Fetch uncategorized transactions only
-  const {
+  const { data: transactionsData, isLoading: isLoadingTransactions } =
-    data: transactionsData,
+    useTransactions(
-    isLoading: isLoadingTransactions,
-    invalidate: invalidateTransactions,
-  } = useTransactions(
       {
         limit: 10000, // Large limit to get all uncategorized
         offset: 0,
         includeUncategorized: true,
       },
-    !!metadata
+      !!metadata,
     );
 
-  const refresh = useCallback(() => {
+  const _refresh = useCallback(() => {
-    invalidateTransactions();
+    invalidateAllTransactionQueries(queryClient);
-    queryClient.invalidateQueries({ queryKey: ["banking-metadata"] });
+    invalidateAllCategoryQueries(queryClient);
-    queryClient.invalidateQueries({ queryKey: ["category-stats"] });
+  }, [queryClient]);
-    queryClient.invalidateQueries({ queryKey: ["accounts-with-stats"] });
-  }, [invalidateTransactions, queryClient]);
   const [searchQuery, setSearchQuery] = useState("");
   const [sortBy, setSortBy] = useState<"count" | "amount" | "name">("count");
   const [filterMinCount, setFilterMinCount] = useState(2);
   const [expandedGroups, setExpandedGroups] = useState<Set<string>>(new Set());
   const [selectedGroup, setSelectedGroup] = useState<TransactionGroup | null>(
-    null
+    null,
   );
   const [isDialogOpen, setIsDialogOpen] = useState(false);
   const [isAutoCategorizing, setIsAutoCategorizing] = useState(false);
@@ -87,7 +86,7 @@ export default function RulesPage() {
           totalAmount: transactions.reduce((sum, t) => sum + t.amount, 0),
           suggestedKeyword: suggestKeyword(descriptions),
         };
-      }
+      },
     );
 
     // Filter by search query
@@ -98,7 +97,7 @@ export default function RulesPage() {
         (g) =>
           g.displayName.toLowerCase().includes(query) ||
           g.key.includes(query) ||
-          g.suggestedKeyword.toLowerCase().includes(query)
+          g.suggestedKeyword.toLowerCase().includes(query),
       );
     }
 
@@ -167,7 +166,7 @@ export default function RulesPage() {
 
       // 1. Add keyword to category
       const category = metadata.categories.find(
-        (c: { id: string }) => c.id === ruleData.categoryId
+        (c: { id: string }) => c.id === ruleData.categoryId,
       );
       if (!category) {
         throw new Error("Category not found");
@@ -175,7 +174,7 @@ export default function RulesPage() {
 
       // Check if keyword already exists
       const keywordExists = category.keywords.some(
-        (k: string) => k.toLowerCase() === ruleData.keyword.toLowerCase()
+        (k: string) => k.toLowerCase() === ruleData.keyword.toLowerCase(),
       );
 
       if (!keywordExists) {
@@ -193,14 +192,16 @@ export default function RulesPage() {
               method: "PUT",
               headers: { "Content-Type": "application/json" },
               body: JSON.stringify({ id, categoryId: ruleData.categoryId }),
-            })
+            }),
-          )
+          ),
         );
       }
 
-      refresh();
+      // Invalider toutes les queries liées
+      invalidateAllTransactionQueries(queryClient);
+      invalidateAllCategoryQueries(queryClient);
     },
-    [metadata, refresh]
+    [metadata, queryClient],
   );
 
   const handleAutoCategorize = useCallback(async () => {
@@ -214,7 +215,7 @@ export default function RulesPage() {
       for (const transaction of uncategorized) {
         const categoryId = autoCategorize(
           transaction.description + " " + (transaction.memo || ""),
-          metadata.categories
+          metadata.categories,
         );
         if (categoryId) {
           await fetch("/api/banking/transactions", {
@@ -226,9 +227,11 @@ export default function RulesPage() {
         }
       }
 
-      refresh();
+      // Invalider toutes les queries liées
+      invalidateAllTransactionQueries(queryClient);
+      invalidateAllCategoryQueries(queryClient);
       alert(
-        `${categorizedCount} transaction(s) catégorisée(s) automatiquement`
+        `${categorizedCount} transaction(s) catégorisée(s) automatiquement`,
       );
     } catch (error) {
       console.error("Error auto-categorizing:", error);
@@ -236,7 +239,7 @@ export default function RulesPage() {
     } finally {
       setIsAutoCategorizing(false);
     }
-  }, [metadata, transactionsData, refresh]);
+  }, [metadata, transactionsData, queryClient]);
 
   const handleCategorizeGroup = useCallback(
     async (group: TransactionGroup, categoryId: string | null) => {
@@ -247,16 +250,18 @@ export default function RulesPage() {
               method: "PUT",
               headers: { "Content-Type": "application/json" },
               body: JSON.stringify({ ...t, categoryId }),
-            })
+            }),
-          )
+          ),
         );
-        refresh();
+        // Invalider toutes les queries liées
+        invalidateAllTransactionQueries(queryClient);
+        invalidateAllCategoryQueries(queryClient);
       } catch (error) {
         console.error("Error categorizing group:", error);
         alert("Erreur lors de la catégorisation");
       }
     },
-    [refresh]
+    [queryClient],
   );
 
   if (

app/settings/page.tsx

@@ -8,6 +8,9 @@ import {
   OFXInfoCard,
   BackupCard,
   PasswordCard,
+  ReconcileDateRangeCard,
+  BackgroundCard,
+  ThemeCard,
 } from "@/components/settings";
 import { useBankingData } from "@/lib/hooks";
 import type { BankingData } from "@/lib/types";
@@ -125,6 +128,12 @@ export default function SettingsPage() {
 
         <PasswordCard />
 
+        <ThemeCard />
+
+        <BackgroundCard />
+
+        <ReconcileDateRangeCard />
+
         <DangerZoneCard
           categorizedCount={categorizedCount}
           onClearCategories={clearAllCategories}

app/statistics/page.tsx

@@ -1,6 +1,6 @@
 "use client";
 
-import { useState, useMemo } from "react";
+import { useState, useMemo, useEffect } from "react";
 import { PageLayout, LoadingState, PageHeader } from "@/components/layout";
 import {
   StatsSummaryCards,
@@ -46,6 +46,7 @@ import { Button } from "@/components/ui/button";
 import { format } from "date-fns";
 import { fr } from "date-fns/locale";
 import { useIsMobile } from "@/hooks/use-mobile";
+import { useLocalStorage } from "@/hooks/use-local-storage";
 import type { Account, Category } from "@/lib/types";
 
 type Period = "1month" | "3months" | "6months" | "12months" | "custom" | "all";
@@ -54,21 +55,65 @@ export default function StatisticsPage() {
   const { data, isLoading } = useBankingData();
   const isMobile = useIsMobile();
   const [sheetOpen, setSheetOpen] = useState(false);
-  const [period, setPeriod] = useState<Period>("6months");
+
-  const [selectedAccounts, setSelectedAccounts] = useState<string[]>(["all"]);
+  // Persister les filtres dans le localStorage
-  const [selectedCategories, setSelectedCategories] = useState<string[]>([
+  const [period, setPeriod] = useLocalStorage<Period>(
-    "all",
+    "statistics-period",
-  ]);
+    "6months"
+  );
+  const [selectedAccounts, setSelectedAccounts] = useLocalStorage<string[]>(
+    "statistics-selected-accounts",
+    ["all"]
+  );
+  const [selectedCategories, setSelectedCategories] = useLocalStorage<string[]>(
+    "statistics-selected-categories",
+    ["all"]
+  );
   const [excludeInternalTransfers, setExcludeInternalTransfers] =
-    useState(true);
+    useLocalStorage("statistics-exclude-internal-transfers", true);
-  const [customStartDate, setCustomStartDate] = useState<Date | undefined>(
+
-    undefined,
+  // Pour les dates, on stocke les ISO strings et on les convertit
+  const [customStartDateISO, setCustomStartDateISO] = useLocalStorage<
+    string | null
+  >("statistics-custom-start-date", null);
+  const [customEndDateISO, setCustomEndDateISO] = useLocalStorage<
+    string | null
+  >("statistics-custom-end-date", null);
+
+  // Convertir les ISO strings en Date
+  const customStartDate = useMemo(
+    () => (customStartDateISO ? new Date(customStartDateISO) : undefined),
+    [customStartDateISO]
   );
-  const [customEndDate, setCustomEndDate] = useState<Date | undefined>(
+  const customEndDate = useMemo(
-    undefined,
+    () => (customEndDateISO ? new Date(customEndDateISO) : undefined),
+    [customEndDateISO]
   );
+
+  // Fonctions pour mettre à jour les dates avec persistance
+  const setCustomStartDate = (date: Date | undefined) => {
+    setCustomStartDateISO(date ? date.toISOString() : null);
+  };
+  const setCustomEndDate = (date: Date | undefined) => {
+    setCustomEndDateISO(date ? date.toISOString() : null);
+  };
+
   const [isCustomDatePickerOpen, setIsCustomDatePickerOpen] = useState(false);
 
+  // Nettoyer les dates personnalisées quand on change de période (sauf si on passe à "custom")
+  useEffect(() => {
+    if (period !== "custom" && (customStartDateISO || customEndDateISO)) {
+      setCustomStartDateISO(null);
+      setCustomEndDateISO(null);
+    }
+  }, [
+    period,
+    customStartDateISO,
+    customEndDateISO,
+    setCustomStartDateISO,
+    setCustomEndDateISO,
+  ]);
+
   // Get start date based on period
   const startDate = useMemo(() => {
     const now = new Date();
@@ -100,7 +145,7 @@ export default function StatisticsPage() {
   const internalTransferCategory = useMemo(() => {
     if (!data) return null;
     return data.categories.find(
-      (c) => c.name.toLowerCase() === "virement interne",
+      (c) => c.name.toLowerCase() === "virement interne"
     );
   }, [data]);
 
@@ -216,7 +261,7 @@ export default function StatisticsPage() {
     // Filter by accounts
     if (!selectedAccounts.includes("all")) {
       transactions = transactions.filter((t) =>
-        selectedAccounts.includes(t.accountId),
+        selectedAccounts.includes(t.accountId)
       );
     }
 
@@ -226,7 +271,7 @@ export default function StatisticsPage() {
         transactions = transactions.filter((t) => !t.categoryId);
       } else {
         transactions = transactions.filter(
-          (t) => t.categoryId && selectedCategories.includes(t.categoryId),
+          (t) => t.categoryId && selectedCategories.includes(t.categoryId)
         );
       }
     }
@@ -234,7 +279,7 @@ export default function StatisticsPage() {
     // Exclude "Virement interne" category if checkbox is checked
     if (excludeInternalTransfers && internalTransferCategory) {
       transactions = transactions.filter(
-        (t) => t.categoryId !== internalTransferCategory.id,
+        (t) => t.categoryId !== internalTransferCategory.id
       );
     }
 
@@ -281,6 +326,7 @@ export default function StatisticsPage() {
           value: Math.round(total),
           color: category?.color || "#94a3b8",
           icon: category?.icon || "HelpCircle",
+          categoryId: categoryId === "uncategorized" ? null : categoryId,
         };
       })
       .sort((a, b) => b.value - a.value);
@@ -306,7 +352,7 @@ export default function StatisticsPage() {
       });
 
     const categoryChartDataByParent = Array.from(
-      categoryTotalsByParent.entries(),
+      categoryTotalsByParent.entries()
     )
       .map(([groupId, total]) => {
         const category = data.categories.find((c) => c.id === groupId);
@@ -315,16 +361,42 @@ export default function StatisticsPage() {
           value: Math.round(total),
           color: category?.color || "#94a3b8",
           icon: category?.icon || "HelpCircle",
+          categoryId: groupId === "uncategorized" ? null : groupId,
         };
       })
       .sort((a, b) => b.value - a.value);
 
-    // Top expenses - deduplicate by ID and sort by amount (most negative first)
+    // Top expenses by top parent categories - deduplicate by ID
     const uniqueTransactions = Array.from(
-      new Map(transactions.map((t) => [t.id, t])).values(),
+      new Map(transactions.map((t) => [t.id, t])).values()
     );
-    const topExpenses = uniqueTransactions
+    const expenses = uniqueTransactions.filter((t) => t.amount < 0);
-      .filter((t) => t.amount < 0)
+
+    // Get top 5 parent categories by total expenses
+    const topParentCategories = Array.from(categoryTotalsByParent.entries())
+      .map(([groupId, total]) => ({
+        groupId: groupId === "uncategorized" ? null : groupId,
+        total,
+      }))
+      .sort((a, b) => b.total - a.total)
+      .slice(0, 5);
+
+    // Get top 10 expenses per top parent category (from all its subcategories)
+    const topExpensesByCategory = topParentCategories.map(({ groupId }) => {
+      const categoryExpenses = expenses
+        .filter((t) => {
+          if (groupId === null) {
+            return !t.categoryId;
+          }
+          // Check if transaction belongs to this parent category or its subcategories
+          const category = data.categories.find((c) => c.id === t.categoryId);
+          if (!category) {
+            return false;
+          }
+          // Use parent category ID if exists, otherwise use the category itself
+          const transactionGroupId = category.parentId || category.id;
+          return transactionGroupId === groupId;
+        })
         .sort((a, b) => {
           // Sort by amount (most negative first)
           if (a.amount !== b.amount) {
@@ -333,7 +405,13 @@ export default function StatisticsPage() {
           // If same amount, sort by date (most recent first) for stable sorting
           return new Date(b.date).getTime() - new Date(a.date).getTime();
         })
-      .slice(0, 5);
+        .slice(0, 10);
+
+      return {
+        categoryId: groupId,
+        expenses: categoryExpenses,
+      };
+    });
 
     // Summary
     const totalIncome = transactions
@@ -347,7 +425,7 @@ export default function StatisticsPage() {
 
     // Balance evolution - Aggregated (using filtered transactions)
     const sortedFilteredTransactions = [...transactions].sort(
-      (a, b) => new Date(a.date).getTime() - new Date(b.date).getTime(),
+      (a, b) => new Date(a.date).getTime() - new Date(b.date).getTime()
     );
 
     // Calculate starting balance: initialBalance + transactions before startDate
@@ -359,7 +437,7 @@ export default function StatisticsPage() {
     // Start with initial balances
     runningBalance = accountsToUse.reduce(
       (sum, acc) => sum + (acc.initialBalance || 0),
-      0,
+      0
     );
 
     // Add all transactions before the start date for these accounts
@@ -396,7 +474,7 @@ export default function StatisticsPage() {
     });
 
     const aggregatedBalanceData = Array.from(
-      aggregatedBalanceByDate.entries(),
+      aggregatedBalanceByDate.entries()
     ).map(([date, balance]) => ({
       date: new Date(date).toLocaleDateString("fr-FR", {
         day: "2-digit",
@@ -612,13 +690,14 @@ export default function StatisticsPage() {
       monthlyChartData,
       categoryChartData,
       categoryChartDataByParent,
-      topExpenses,
+      topExpensesByCategory,
       totalIncome,
       totalExpenses,
       avgMonthlyExpenses,
       aggregatedBalanceData,
       perAccountBalanceData,
       transactionCount: transactions.length,
+      transactions, // Toutes les transactions filtrées pour le graphique
       savingsTrendData,
       categoryTrendData,
       categoryTrendDataByParent,
@@ -853,7 +932,7 @@ export default function StatisticsPage() {
             onRemoveAccount={(id) => {
               const newAccounts = selectedAccounts.filter((a) => a !== id);
               setSelectedAccounts(
-                newAccounts.length > 0 ? newAccounts : ["all"],
+                newAccounts.length > 0 ? newAccounts : ["all"]
               );
             }}
             onClearAccounts={() => setSelectedAccounts(["all"])}
@@ -861,7 +940,7 @@ export default function StatisticsPage() {
             onRemoveCategory={(id) => {
               const newCategories = selectedCategories.filter((c) => c !== id);
               setSelectedCategories(
-                newCategories.length > 0 ? newCategories : ["all"],
+                newCategories.length > 0 ? newCategories : ["all"]
               );
             }}
             onClearCategories={() => setSelectedCategories(["all"])}
@@ -948,27 +1027,34 @@ export default function StatisticsPage() {
                     </Button>
                   </PopoverTrigger>
                   <PopoverContent className="w-auto p-0" align="start">
-                    <div className="p-4 space-y-4">
+                    <div className="p-3 flex gap-4">
                       <div className="space-y-2">
                         <label className="text-sm font-medium">
                           Date de début
                         </label>
+                        <div className="scale-90 origin-top-left">
                           <CalendarComponent
                             mode="single"
                             selected={customStartDate}
                             onSelect={(date) => {
                               setCustomStartDate(date);
-                            if (date && customEndDate && date > customEndDate) {
+                              if (
+                                date &&
+                                customEndDate &&
+                                date > customEndDate
+                              ) {
                                 setCustomEndDate(undefined);
                               }
                             }}
                             locale={fr}
                           />
                         </div>
+                      </div>
                       <div className="space-y-2">
                         <label className="text-sm font-medium">
                           Date de fin
                         </label>
+                        <div className="scale-90 origin-top-left">
                           <CalendarComponent
                             mode="single"
                             selected={customEndDate}
@@ -992,8 +1078,10 @@ export default function StatisticsPage() {
                             locale={fr}
                           />
                         </div>
+                      </div>
+                    </div>
                     {customStartDate && customEndDate && (
-                        <div className="flex gap-2 pt-2 border-t">
+                      <div className="flex gap-2 pt-2 border-t px-3 pb-3">
                         <Button
                           variant="outline"
                           size="sm"
@@ -1014,7 +1102,6 @@ export default function StatisticsPage() {
                         </Button>
                       </div>
                     )}
-                    </div>
                   </PopoverContent>
                 </Popover>
               )}
@@ -1043,17 +1130,17 @@ export default function StatisticsPage() {
               onRemoveAccount={(id) => {
                 const newAccounts = selectedAccounts.filter((a) => a !== id);
                 setSelectedAccounts(
-                  newAccounts.length > 0 ? newAccounts : ["all"],
+                  newAccounts.length > 0 ? newAccounts : ["all"]
                 );
               }}
               onClearAccounts={() => setSelectedAccounts(["all"])}
               selectedCategories={selectedCategories}
               onRemoveCategory={(id) => {
                 const newCategories = selectedCategories.filter(
-                  (c) => c !== id,
+                  (c) => c !== id
                 );
                 setSelectedCategories(
-                  newCategories.length > 0 ? newCategories : ["all"],
+                  newCategories.length > 0 ? newCategories : ["all"]
                 );
               }}
               onClearCategories={() => setSelectedCategories(["all"])}
@@ -1155,9 +1242,10 @@ export default function StatisticsPage() {
         </div>
         <div className="mt-4 md:mt-6">
           <TopExpensesList
-            expenses={stats.topExpenses}
+            expensesByCategory={stats.topExpensesByCategory}
             categories={data.categories}
             formatCurrency={formatCurrency}
+            allTransactions={stats.transactions}
           />
         </div>
       </section>
@@ -1203,7 +1291,7 @@ function ActiveFilters({
 
   const selectedAccs = accounts.filter((a) => selectedAccounts.includes(a.id));
   const selectedCats = categories.filter((c) =>
-    selectedCategories.includes(c.id),
+    selectedCategories.includes(c.id)
   );
   const isUncategorized = selectedCategories.includes("uncategorized");
 

app/transactions/page.tsx

@@ -1,531 +1,211 @@
 "use client";
 
-import { useState, useMemo, useEffect, useCallback } from "react";
+import { useCallback, useMemo } from "react";
-import { useSearchParams } from "next/navigation";
 import { PageLayout, PageHeader } from "@/components/layout";
-import { RefreshCw } from "lucide-react";
+import {
+  RefreshCw,
+  Receipt,
+  Euro,
+  ChevronDown,
+  ChevronUp,
+  CheckCircle2,
+  Tag,
+} from "lucide-react";
 import {
   TransactionFilters,
   TransactionBulkActions,
   TransactionTable,
+  TransactionPagination,
+  formatCurrency,
+  formatDate,
 } from "@/components/transactions";
 import { RuleCreateDialog } from "@/components/rules";
 import { OFXImportDialog } from "@/components/import/ofx-import-dialog";
-import {
+import { MonthlyChart } from "@/components/statistics";
-  useBankingMetadata,
-  useTransactions,
-  getTransactionsQueryKey,
-} from "@/lib/hooks";
-import { updateCategory } from "@/lib/store-db";
 import { useQueryClient } from "@tanstack/react-query";
 import { Button } from "@/components/ui/button";
-import { Upload } from "lucide-react";
+import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
-import type { Transaction } from "@/lib/types";
-import type { TransactionsPaginatedParams } from "@/services/banking.service";
 import {
-  normalizeDescription,
+  Collapsible,
-  suggestKeyword,
+  CollapsibleContent,
-} from "@/components/rules/constants";
+  CollapsibleTrigger,
-
+} from "@/components/ui/collapsible";
-type SortField = "date" | "amount" | "description";
+import { Upload } from "lucide-react";
-type SortOrder = "asc" | "desc";
+import { useTransactionsPage } from "@/hooks/use-transactions-page";
-type Period = "1month" | "3months" | "6months" | "12months" | "custom" | "all";
+import { useTransactionMutations } from "@/hooks/use-transaction-mutations";
-
+import { useTransactionRules } from "@/hooks/use-transaction-rules";
-const PAGE_SIZE = 100;
+import { useTransactionsChartData } from "@/hooks/use-transactions-chart-data";
+import { useTransactionsForAccountFilter } from "@/hooks/use-transactions-for-account-filter";
+import { useTransactionsForCategoryFilter } from "@/hooks/use-transactions-for-category-filter";
+import { useLocalStorage } from "@/hooks/use-local-storage";
 
 export default function TransactionsPage() {
-  const searchParams = useSearchParams();
   const queryClient = useQueryClient();
-  const { data: metadata, isLoading: isLoadingMetadata } = useBankingMetadata();
-  const [searchQuery, setSearchQuery] = useState("");
-  const [debouncedSearchQuery, setDebouncedSearchQuery] = useState("");
-  const [selectedAccounts, setSelectedAccounts] = useState<string[]>(["all"]);
-  const [page, setPage] = useState(0);
 
-  // Debounce search query
+  // Main page state and logic
-  useEffect(() => {
+  const {
-    const timer = setTimeout(() => {
+    metadata,
-      setDebouncedSearchQuery(searchQuery);
+    isLoadingMetadata,
-      setPage(0); // Reset to first page when search changes
+    searchQuery,
-    }, 300);
+    setSearchQuery,
-    return () => clearTimeout(timer);
+    selectedAccounts,
-  }, [searchQuery]);
+    onAccountsChange,
-
+    selectedCategories,
-  useEffect(() => {
+    onCategoriesChange,
-    const accountId = searchParams.get("accountId");
+    showReconciled,
-    if (accountId) {
+    onReconciledChange,
-      setSelectedAccounts([accountId]);
+    period,
-      setPage(0);
+    onPeriodChange,
-    }
+    customStartDate,
-  }, [searchParams]);
+    customEndDate,
-
+    onCustomStartDateChange,
-  const [selectedCategories, setSelectedCategories] = useState<string[]>([
+    onCustomEndDateChange,
-    "all",
+    isCustomDatePickerOpen,
-  ]);
+    onCustomDatePickerOpenChange,
-  const [showReconciled, setShowReconciled] = useState<string>("all");
+    showDuplicates,
-  const [period, setPeriod] = useState<Period>("all");
+    onShowDuplicatesChange,
-  const [customStartDate, setCustomStartDate] = useState<Date | undefined>(
+    page,
-    undefined
+    pageSize,
-  );
+    onPageChange,
-  const [customEndDate, setCustomEndDate] = useState<Date | undefined>(
-    undefined
-  );
-  const [isCustomDatePickerOpen, setIsCustomDatePickerOpen] = useState(false);
-  const [sortField, setSortField] = useState<SortField>("date");
-  const [sortOrder, setSortOrder] = useState<SortOrder>("desc");
-  const [selectedTransactions, setSelectedTransactions] = useState<Set<string>>(
-    new Set()
-  );
-  const [ruleDialogOpen, setRuleDialogOpen] = useState(false);
-  const [ruleTransaction, setRuleTransaction] = useState<Transaction | null>(
-    null
-  );
-  const [updatingTransactionIds, setUpdatingTransactionIds] = useState<
-    Set<string>
-  >(new Set());
-
-  // Get start date based on period
-  const startDate = useMemo(() => {
-    const now = new Date();
-    switch (period) {
-      case "1month":
-        return new Date(now.getFullYear(), now.getMonth() - 1, 1);
-      case "3months":
-        return new Date(now.getFullYear(), now.getMonth() - 3, 1);
-      case "6months":
-        return new Date(now.getFullYear(), now.getMonth() - 6, 1);
-      case "12months":
-        return new Date(now.getFullYear(), now.getMonth() - 12, 1);
-      case "custom":
-        return customStartDate || new Date(0);
-      default:
-        return new Date(0);
-    }
-  }, [period, customStartDate]);
-
-  // Get end date (only for custom period)
-  const endDate = useMemo(() => {
-    if (period === "custom" && customEndDate) {
-      return customEndDate;
-    }
-    return undefined;
-  }, [period, customEndDate]);
-
-  // Build transaction query params
-  const transactionParams = useMemo(() => {
-    const params: TransactionsPaginatedParams = {
-      limit: PAGE_SIZE,
-      offset: page * PAGE_SIZE,
     sortField,
     sortOrder,
-    };
+    onSortChange,
+    selectedTransactions,
+    onToggleSelectAll,
+    onToggleSelectTransaction,
+    clearSelection,
+    transactionsData,
+    isLoadingTransactions,
+    invalidateTransactions,
+    duplicateIds,
+    transactionParams,
+  } = useTransactionsPage();
 
-    if (startDate && period !== "all") {
+  // Transaction mutations
-      params.startDate = startDate.toISOString().split("T")[0];
+  const {
-    }
+    toggleReconciled,
-    if (endDate) {
+    markReconciled,
-      params.endDate = endDate.toISOString().split("T")[0];
+    setCategory,
-    }
+    deleteTransaction,
-    if (!selectedAccounts.includes("all")) {
+    bulkReconcile: handleBulkReconcile,
-      params.accountIds = selectedAccounts;
+    bulkSetCategory: handleBulkSetCategory,
-    }
+    updatingTransactionIds,
-    if (!selectedCategories.includes("all")) {
+  } = useTransactionMutations({
-      if (selectedCategories.includes("uncategorized")) {
+    transactionParams,
-        params.includeUncategorized = true;
+    transactionsData,
-      } else {
+  });
-        params.categoryIds = selectedCategories;
-      }
-    }
-    if (debouncedSearchQuery) {
-      params.search = debouncedSearchQuery;
-    }
-    if (showReconciled !== "all") {
-      params.isReconciled = showReconciled === "reconciled";
-    }
 
-    return params;
+  // Transaction rules
-  }, [
+  const {
-    page,
+    ruleDialogOpen,
-    startDate,
+    setRuleDialogOpen,
-    endDate,
+    ruleGroup,
+    handleCreateRule,
+    handleSaveRule,
+  } = useTransactionRules({
+    transactionsData,
+    metadata,
+  });
+
+  // Chart data
+  const {
+    monthlyData,
+    isLoading: isLoadingChart,
+    totalAmount: chartTotalAmount,
+    totalCount: chartTotalCount,
+    transactions: chartTransactions,
+  } = useTransactionsChartData({
     selectedAccounts,
     selectedCategories,
-    debouncedSearchQuery,
-    showReconciled,
-    sortField,
-    sortOrder,
     period,
-  ]);
+    customStartDate,
-
+    customEndDate,
-  // Fetch transactions with pagination
+    showReconciled,
-  const {
+    searchQuery,
-    data: transactionsData,
-    isLoading: isLoadingTransactions,
-    invalidate: invalidateTransactions,
-  } = useTransactions(transactionParams, !!metadata);
-
-  // For filter comboboxes, we'll use empty arrays for now
-  // They can be enhanced later with separate queries if needed
-  const transactionsForAccountFilter: Transaction[] = [];
-  const transactionsForCategoryFilter: Transaction[] = [];
-
-  const handleCreateRule = useCallback((transaction: Transaction) => {
-    setRuleTransaction(transaction);
-    setRuleDialogOpen(true);
-  }, []);
-
-  // Create a virtual group for the rule dialog based on selected transaction
-  // Note: This requires fetching similar transactions - simplified for now
-  const ruleGroup = useMemo(() => {
-    if (!ruleTransaction || !transactionsData) return null;
-
-    // Use transactions from current page to find similar ones
-    const normalizedDesc = normalizeDescription(ruleTransaction.description);
-    const similarTransactions = transactionsData.transactions.filter(
-      (t) => normalizeDescription(t.description) === normalizedDesc
-    );
-
-    if (similarTransactions.length === 0) return null;
-
-    return {
-      key: normalizedDesc,
-      displayName: ruleTransaction.description,
-      transactions: similarTransactions,
-      totalAmount: similarTransactions.reduce((sum, t) => sum + t.amount, 0),
-      suggestedKeyword: suggestKeyword(
-        similarTransactions.map((t) => t.description)
-      ),
-    };
-  }, [ruleTransaction, transactionsData]);
-
-  const handleSaveRule = useCallback(
-    async (ruleData: {
-      keyword: string;
-      categoryId: string;
-      applyToExisting: boolean;
-      transactionIds: string[];
-    }) => {
-      if (!metadata) return;
-
-      // 1. Add keyword to category
-      const category = metadata.categories.find(
-        (c: { id: string }) => c.id === ruleData.categoryId
-      );
-      if (!category) {
-        throw new Error("Category not found");
-      }
-
-      // Check if keyword already exists
-      const keywordExists = category.keywords.some(
-        (k: string) => k.toLowerCase() === ruleData.keyword.toLowerCase()
-      );
-
-      if (!keywordExists) {
-        await updateCategory({
-          ...category,
-          keywords: [...category.keywords, ruleData.keyword],
   });
-      }
 
-      // 2. Apply to existing transactions if requested
+  // Transactions for account filter (filtered by categories, period, search, reconciled - NOT by accounts)
-      if (ruleData.applyToExisting) {
+  const { transactions: transactionsForAccountFilter } =
-        await Promise.all(
+    useTransactionsForAccountFilter({
-          ruleData.transactionIds.map((id) =>
+      selectedCategories,
-            fetch("/api/banking/transactions", {
+      period,
-              method: "PUT",
+      customStartDate,
-              headers: { "Content-Type": "application/json" },
+      customEndDate,
-              body: JSON.stringify({ id, categoryId: ruleData.categoryId }),
+      showReconciled,
-            })
+      searchQuery,
-          )
+    });
-        );
-      }
 
-      // Invalidate queries
+  // Transactions for category filter (filtered by accounts, period, search, reconciled - NOT by categories)
-      queryClient.invalidateQueries({ queryKey: ["transactions"] });
+  const { transactions: transactionsForCategoryFilter } =
-      queryClient.invalidateQueries({ queryKey: ["banking-metadata"] });
+    useTransactionsForCategoryFilter({
-      setRuleDialogOpen(false);
+      selectedAccounts,
-    },
+      period,
-    [metadata, queryClient]
+      customStartDate,
-  );
+      customEndDate,
+      showReconciled,
+      searchQuery,
+    });
 
   const invalidateAll = useCallback(() => {
     invalidateTransactions();
     queryClient.invalidateQueries({ queryKey: ["banking-metadata"] });
   }, [invalidateTransactions, queryClient]);
 
-  const formatCurrency = (amount: number) => {
+  const handleBulkReconcileWithClear = useCallback(
-    return new Intl.NumberFormat("fr-FR", {
+    (reconciled: boolean) => {
-      style: "currency",
+      handleBulkReconcile(reconciled, selectedTransactions);
-      currency: "EUR",
+      clearSelection();
-    }).format(amount);
+    },
-  };
+    [handleBulkReconcile, selectedTransactions, clearSelection],
-
-  const formatDate = (dateStr: string) => {
-    return new Date(dateStr).toLocaleDateString("fr-FR", {
-      day: "2-digit",
-      month: "short",
-      year: "numeric",
-    });
-  };
-
-  const toggleReconciled = async (transactionId: string) => {
-    if (!transactionsData) return;
-
-    const transaction = transactionsData.transactions.find(
-      (t) => t.id === transactionId
-    );
-    if (!transaction) return;
-
-    const updatedTransaction = {
-      ...transaction,
-      isReconciled: !transaction.isReconciled,
-    };
-
-    try {
-      await fetch("/api/banking/transactions", {
-        method: "PUT",
-        headers: { "Content-Type": "application/json" },
-        body: JSON.stringify(updatedTransaction),
-      });
-      invalidateTransactions();
-    } catch (error) {
-      console.error("Failed to update transaction:", error);
-    }
-  };
-
-  const markReconciled = async (transactionId: string) => {
-    if (!transactionsData) return;
-
-    const transaction = transactionsData.transactions.find(
-      (t) => t.id === transactionId
-    );
-    if (!transaction || transaction.isReconciled) return;
-
-    const updatedTransaction = {
-      ...transaction,
-      isReconciled: true,
-    };
-
-    try {
-      await fetch("/api/banking/transactions", {
-        method: "PUT",
-        headers: { "Content-Type": "application/json" },
-        body: JSON.stringify(updatedTransaction),
-      });
-      invalidateTransactions();
-    } catch (error) {
-      console.error("Failed to update transaction:", error);
-    }
-  };
-
-  const setCategory = async (
-    transactionId: string,
-    categoryId: string | null
-  ) => {
-    if (!transactionsData) return;
-
-    const transaction = transactionsData.transactions.find(
-      (t) => t.id === transactionId
-    );
-    if (!transaction) return;
-
-    setUpdatingTransactionIds((prev) => new Set(prev).add(transactionId));
-
-    try {
-      const response = await fetch("/api/banking/transactions", {
-        method: "PUT",
-        headers: { "Content-Type": "application/json" },
-        body: JSON.stringify({ ...transaction, categoryId }),
-      });
-
-      if (!response.ok) {
-        throw new Error(`HTTP error! status: ${response.status}`);
-      }
-
-      // Mise à jour directe du cache après succès
-      const queryKey = getTransactionsQueryKey(transactionParams);
-      queryClient.setQueryData<typeof transactionsData>(queryKey, (oldData) => {
-        if (!oldData) return oldData;
-
-        return {
-          ...oldData,
-          transactions: oldData.transactions.map((t) =>
-            t.id === transactionId ? { ...t, categoryId } : t
-          ),
-        };
-      });
-    } catch (error) {
-      console.error("Failed to update transaction:", error);
-      invalidateTransactions();
-    } finally {
-      setUpdatingTransactionIds((prev) => {
-        const next = new Set(prev);
-        next.delete(transactionId);
-        return next;
-      });
-    }
-  };
-
-  const bulkReconcile = async (reconciled: boolean) => {
-    if (!transactionsData) return;
-
-    const transactionsToUpdate = transactionsData.transactions.filter((t) =>
-      selectedTransactions.has(t.id)
   );
 
-    setSelectedTransactions(new Set());
+  const handleBulkSetCategoryWithClear = useCallback(
-
+    (categoryId: string | null) => {
-    try {
+      handleBulkSetCategory(categoryId, selectedTransactions);
-      await Promise.all(
+      clearSelection();
-        transactionsToUpdate.map((t) =>
+    },
-          fetch("/api/banking/transactions", {
+    [handleBulkSetCategory, selectedTransactions, clearSelection],
-            method: "PUT",
-            headers: { "Content-Type": "application/json" },
-            body: JSON.stringify({ ...t, isReconciled: reconciled }),
-          })
-        )
-      );
-      invalidateTransactions();
-    } catch (error) {
-      console.error("Failed to update transactions:", error);
-    }
-  };
-
-  const bulkSetCategory = async (categoryId: string | null) => {
-    if (!transactionsData) return;
-
-    const transactionsToUpdate = transactionsData.transactions.filter((t) =>
-      selectedTransactions.has(t.id)
   );
 
-    const transactionIds = transactionsToUpdate.map((t) => t.id);
+  // Stabilize transactions reference to prevent unnecessary re-renders
-    setSelectedTransactions(new Set());
+  const filteredTransactions = useMemo(
-    setUpdatingTransactionIds((prev) => {
+    () => transactionsData?.transactions || [],
-      const next = new Set(prev);
+    [transactionsData?.transactions],
-      transactionIds.forEach((id) => next.add(id));
-      return next;
-    });
-
-    try {
-      await Promise.all(
-        transactionsToUpdate.map((t) =>
-          fetch("/api/banking/transactions", {
-            method: "PUT",
-            headers: { "Content-Type": "application/json" },
-            body: JSON.stringify({ ...t, categoryId }),
-          })
-        )
   );
-
-      // Mise à jour directe du cache après succès
-      const queryKey = getTransactionsQueryKey(transactionParams);
-      queryClient.setQueryData<typeof transactionsData>(queryKey, (oldData) => {
-        if (!oldData) return oldData;
-        return {
-          ...oldData,
-          transactions: oldData.transactions.map((t) =>
-            transactionIds.includes(t.id) ? { ...t, categoryId } : t
-          ),
-        };
-      });
-    } catch (error) {
-      console.error("Failed to update transactions:", error);
-      invalidateTransactions();
-    } finally {
-      setUpdatingTransactionIds((prev) => {
-        const next = new Set(prev);
-        transactionIds.forEach((id) => next.delete(id));
-        return next;
-      });
-    }
-  };
-
-  const toggleSelectAll = () => {
-    if (!transactionsData) return;
-    if (selectedTransactions.size === transactionsData.transactions.length) {
-      setSelectedTransactions(new Set());
-    } else {
-      setSelectedTransactions(
-        new Set(transactionsData.transactions.map((t) => t.id))
-      );
-    }
-  };
-
-  const toggleSelectTransaction = (id: string) => {
-    const newSelected = new Set(selectedTransactions);
-    if (newSelected.has(id)) {
-      newSelected.delete(id);
-    } else {
-      newSelected.add(id);
-    }
-    setSelectedTransactions(newSelected);
-  };
-
-  const handleSortChange = (field: SortField) => {
-    if (sortField === field) {
-      setSortOrder(sortOrder === "asc" ? "desc" : "asc");
-    } else {
-      setSortField(field);
-      setSortOrder(field === "date" ? "desc" : "asc");
-    }
-    setPage(0);
-  };
-
-  const deleteTransaction = async (transactionId: string) => {
-    // Remove from selected if selected
-    const newSelected = new Set(selectedTransactions);
-    newSelected.delete(transactionId);
-    setSelectedTransactions(newSelected);
-
-    // Sauvegarder les données actuelles pour pouvoir les restaurer en cas d'erreur
-    const queryKey = getTransactionsQueryKey(transactionParams);
-    const previousData =
-      queryClient.getQueryData<typeof transactionsData>(queryKey);
-
-    // Mise à jour optimiste du cache
-    queryClient.setQueryData<typeof transactionsData>(queryKey, (oldData) => {
-      if (!oldData) return oldData;
-      return {
-        ...oldData,
-        transactions: oldData.transactions.filter(
-          (t) => t.id !== transactionId
-        ),
-        total: oldData.total - 1,
-      };
-    });
-
-    try {
-      const response = await fetch(
-        `/api/banking/transactions?id=${transactionId}`,
-        {
-          method: "DELETE",
-        }
-      );
-
-      if (!response.ok) {
-        const errorData = await response.json().catch(() => ({}));
-        throw new Error(
-          errorData.error || `Failed to delete transaction: ${response.status}`
-        );
-      }
-
-      // Ne pas invalider immédiatement - la mise à jour optimiste est déjà correcte
-      // On invalide seulement les autres queries qui pourraient être affectées (métadonnées, stats)
-      queryClient.invalidateQueries({ queryKey: ["banking-metadata"] });
-    } catch (error) {
-      console.error("Failed to delete transaction:", error);
-      // Restaurer les données précédentes en cas d'erreur
-      if (previousData) {
-        queryClient.setQueryData(queryKey, previousData);
-      }
-      // Invalider pour récupérer les données correctes du serveur
-      invalidateTransactions();
-    }
-  };
-
-  const filteredTransactions = transactionsData?.transactions || [];
   const totalTransactions = transactionsData?.total || 0;
   const hasMore = transactionsData?.hasMore || false;
+  const uncategorizedCount = transactionsData?.uncategorizedCount || 0;
+  const uncategorizedPercent =
+    totalTransactions > 0
+      ? Math.round((uncategorizedCount / totalTransactions) * 100)
+      : 0;
+
+  // Use total from chart data (all filtered transactions) or fallback to paginated data
+  const totalAmount = chartTotalAmount ?? 0;
+  const displayTotalCount = chartTotalCount ?? totalTransactions;
+
+  // Calculate percentages from chart transactions (all filtered transactions)
+  const reconciledPercent = useMemo(() => {
+    if (chartTransactions.length === 0) return "0.00";
+    const reconciledCount = chartTransactions.filter(
+      (t) => t.isReconciled,
+    ).length;
+    return ((reconciledCount / chartTransactions.length) * 100).toFixed(2);
+  }, [chartTransactions]);
+
+  const categorizedPercent = useMemo(() => {
+    if (chartTransactions.length === 0) return "0.00";
+    const categorizedCount = chartTransactions.filter(
+      (t) => t.categoryId !== null,
+    ).length;
+    return ((categorizedCount / chartTransactions.length) * 100).toFixed(2);
+  }, [chartTransactions]);
+
+  // Persist statistics collapsed state in localStorage
+  const [isStatsExpanded, setIsStatsExpanded] = useLocalStorage(
+    "transactions-stats-expanded",
+    true,
+  );
 
   // Early return for loading state - prevents sidebar flash
   if (isLoadingMetadata || !metadata) {
@@ -542,7 +222,11 @@ export default function TransactionsPage() {
     <PageLayout>
       <PageHeader
         title="Transactions"
-        description={`${totalTransactions} transaction${totalTransactions > 1 ? "s" : ""}`}
+        description={
+          totalTransactions > 0
+            ? `${totalTransactions} transaction${totalTransactions > 1 ? "s" : ""} • ${uncategorizedPercent}% non catégorisées`
+            : `${totalTransactions} transaction${totalTransactions > 1 ? "s" : ""}`
+        }
         actions={
           <OFXImportDialog onImportComplete={invalidateAll}>
             <Button className="md:h-10 md:px-5">
@@ -557,42 +241,21 @@ export default function TransactionsPage() {
         searchQuery={searchQuery}
         onSearchChange={setSearchQuery}
         selectedAccounts={selectedAccounts}
-        onAccountsChange={(accounts) => {
+        onAccountsChange={onAccountsChange}
-          setSelectedAccounts(accounts);
-          setPage(0);
-        }}
         selectedCategories={selectedCategories}
-        onCategoriesChange={(categories) => {
+        onCategoriesChange={onCategoriesChange}
-          setPage(0);
-          setSelectedCategories(categories);
-        }}
         showReconciled={showReconciled}
-        onReconciledChange={(value) => {
+        onReconciledChange={onReconciledChange}
-          setShowReconciled(value);
-          setPage(0);
-        }}
         period={period}
-        onPeriodChange={(p) => {
+        onPeriodChange={onPeriodChange}
-          setPeriod(p);
-          setPage(0);
-          if (p !== "custom") {
-            setIsCustomDatePickerOpen(false);
-          } else {
-            setIsCustomDatePickerOpen(true);
-          }
-        }}
         customStartDate={customStartDate}
         customEndDate={customEndDate}
-        onCustomStartDateChange={(date) => {
+        onCustomStartDateChange={onCustomStartDateChange}
-          setCustomStartDate(date);
+        onCustomEndDateChange={onCustomEndDateChange}
-          setPage(0);
-        }}
-        onCustomEndDateChange={(date) => {
-          setCustomEndDate(date);
-          setPage(0);
-        }}
         isCustomDatePickerOpen={isCustomDatePickerOpen}
-        onCustomDatePickerOpenChange={setIsCustomDatePickerOpen}
+        onCustomDatePickerOpenChange={onCustomDatePickerOpenChange}
+        showDuplicates={showDuplicates}
+        onShowDuplicatesChange={onShowDuplicatesChange}
         accounts={metadata.accounts}
         folders={metadata.folders}
         categories={metadata.categories}
@@ -600,11 +263,148 @@ export default function TransactionsPage() {
         transactionsForCategoryFilter={transactionsForCategoryFilter}
       />
 
+      {(!isLoadingChart || !isLoadingTransactions) && (
+        <Card className="mb-6 card-hover">
+          <Collapsible open={isStatsExpanded} onOpenChange={setIsStatsExpanded}>
+            <CardHeader className="flex flex-row items-center justify-between space-y-0 py-3 px-6">
+              <CardTitle className="text-base font-semibold">
+                Statistiques
+                {!isStatsExpanded && (
+                  <span className="ml-3 text-sm font-normal text-muted-foreground">
+                    {displayTotalCount} opération
+                    {displayTotalCount > 1 ? "s" : ""} •{" "}
+                    {formatCurrency(totalAmount)}
+                  </span>
+                )}
+              </CardTitle>
+              <CollapsibleTrigger asChild>
+                <Button variant="ghost" size="sm" className="h-8">
+                  {isStatsExpanded ? (
+                    <>
+                      <ChevronUp className="w-4 h-4 mr-1" />
+                      Réduire
+                    </>
+                  ) : (
+                    <>
+                      <ChevronDown className="w-4 h-4 mr-1" />
+                      Afficher
+                    </>
+                  )}
+                </Button>
+              </CollapsibleTrigger>
+            </CardHeader>
+            <CollapsibleContent>
+              <CardContent className="pt-0">
+                {/* Summary cards */}
+                {!isLoadingTransactions && (
+                  <div className="grid gap-4 grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 mb-6">
+                    <Card className="card-hover">
+                      <CardContent className="pt-6">
+                        <div className="flex items-center justify-between">
+                          <div>
+                            <p className="text-sm font-medium text-muted-foreground">
+                              Nombre de transactions
+                            </p>
+                            <p className="text-2xl font-bold mt-1">
+                              {displayTotalCount}
+                            </p>
+                          </div>
+                          <Receipt
+                            className="w-8 h-8"
+                            style={{ color: "var(--gray)" }}
+                          />
+                        </div>
+                      </CardContent>
+                    </Card>
+                    <Card className="card-hover">
+                      <CardContent className="pt-6">
+                        <div className="flex items-center justify-between">
+                          <div>
+                            <p className="text-sm font-medium text-muted-foreground">
+                              Total
+                            </p>
+                            <p
+                              className={`text-2xl font-bold mt-1 ${
+                                totalAmount >= 0
+                                  ? "text-emerald-600"
+                                  : "text-red-600"
+                              }`}
+                            >
+                              {formatCurrency(totalAmount)}
+                            </p>
+                          </div>
+                          <Euro
+                            className={`w-8 h-8 ${
+                              totalAmount >= 0
+                                ? "text-emerald-600"
+                                : "text-red-600"
+                            }`}
+                          />
+                        </div>
+                      </CardContent>
+                    </Card>
+                    <Card className="card-hover">
+                      <CardContent className="pt-6">
+                        <div className="flex items-center justify-between">
+                          <div>
+                            <p className="text-sm font-medium text-muted-foreground">
+                              Pointé
+                            </p>
+                            <p className="text-2xl font-bold mt-1 text-primary">
+                              {reconciledPercent}%
+                            </p>
+                          </div>
+                          <CheckCircle2 className="w-8 h-8 text-primary" />
+                        </div>
+                      </CardContent>
+                    </Card>
+                    <Card className="card-hover">
+                      <CardContent className="pt-6">
+                        <div className="flex items-center justify-between">
+                          <div>
+                            <p className="text-sm font-medium text-muted-foreground">
+                              Catégorisé
+                            </p>
+                            <p
+                              className="text-2xl font-bold mt-1"
+                              style={{ color: "var(--blue)" }}
+                            >
+                              {categorizedPercent}%
+                            </p>
+                          </div>
+                          <Tag
+                            className="w-8 h-8"
+                            style={{ color: "var(--blue)" }}
+                          />
+                        </div>
+                      </CardContent>
+                    </Card>
+                  </div>
+                )}
+
+                {/* Chart */}
+                {!isLoadingChart && monthlyData.length > 0 && (
+                  <MonthlyChart
+                    data={monthlyData}
+                    formatCurrency={formatCurrency}
+                    collapsible={false}
+                    showDots={
+                      period !== "all" &&
+                      (period === "12months" || monthlyData.length <= 12)
+                    }
+                  />
+                )}
+              </CardContent>
+            </CollapsibleContent>
+          </Collapsible>
+        </Card>
+      )}
+
       <TransactionBulkActions
         selectedCount={selectedTransactions.size}
         categories={metadata.categories}
-        onReconcile={bulkReconcile}
+        onReconcile={handleBulkReconcileWithClear}
-        onSetCategory={bulkSetCategory}
+        onSetCategory={handleBulkSetCategoryWithClear}
       />
 
       {isLoadingTransactions ? (
@@ -620,9 +420,9 @@ export default function TransactionsPage() {
             selectedTransactions={selectedTransactions}
             sortField={sortField}
             sortOrder={sortOrder}
-            onSortChange={handleSortChange}
+            onSortChange={onSortChange}
-            onToggleSelectAll={toggleSelectAll}
+            onToggleSelectAll={onToggleSelectAll}
-            onToggleSelectTransaction={toggleSelectTransaction}
+            onToggleSelectTransaction={onToggleSelectTransaction}
             onToggleReconciled={toggleReconciled}
             onMarkReconciled={markReconciled}
             onSetCategory={setCategory}
@@ -631,36 +431,17 @@ export default function TransactionsPage() {
             formatCurrency={formatCurrency}
             formatDate={formatDate}
             updatingTransactionIds={updatingTransactionIds}
+            duplicateIds={duplicateIds}
+            highlightDuplicates={showDuplicates}
           />
 
-          {/* Pagination controls */}
+          <TransactionPagination
-          {totalTransactions > PAGE_SIZE && (
+            page={page}
-            <div className="flex items-center justify-between mt-4">
+            pageSize={pageSize}
-              <div className="text-sm text-muted-foreground">
+            total={totalTransactions}
-                Affichage de {page * PAGE_SIZE + 1} à{" "}
+            hasMore={hasMore}
-                {Math.min((page + 1) * PAGE_SIZE, totalTransactions)} sur{" "}
+            onPageChange={onPageChange}
-                {totalTransactions}
+          />
-              </div>
-              <div className="flex gap-2">
-                <Button
-                  variant="outline"
-                  size="sm"
-                  onClick={() => setPage((p) => Math.max(0, p - 1))}
-                  disabled={page === 0}
-                >
-                  Précédent
-                </Button>
-                <Button
-                  variant="outline"
-                  size="sm"
-                  onClick={() => setPage((p) => p + 1)}
-                  disabled={!hasMore}
-                >
-                  Suivant
-                </Button>
-              </div>
-            </div>
-          )}
         </>
       )}
 

components/accounts/account-bulk-actions.tsx

@@ -2,29 +2,35 @@
 
 import { Button } from "@/components/ui/button";
 import { Card, CardContent } from "@/components/ui/card";
-import { Trash2 } from "lucide-react";
+import { Trash2, GitMerge } from "lucide-react";
 import { useIsMobile } from "@/hooks/use-mobile";
 import { cn } from "@/lib/utils";
 
 interface AccountBulkActionsProps {
   selectedCount: number;
+  selectedAccountIds: string[];
   onDelete: () => void;
+  onMerge?: () => void;
 }
 
 export function AccountBulkActions({
   selectedCount,
+  selectedAccountIds: _selectedAccountIds,
   onDelete,
+  onMerge,
 }: AccountBulkActionsProps) {
   const isMobile = useIsMobile();
 
   if (selectedCount === 0) return null;
 
+  const canMerge = selectedCount === 2 && onMerge;
+
   return (
     <Card className="bg-destructive/5 border-destructive/20 sticky top-0 z-10 mb-4">
       <CardContent className={cn("py-3", isMobile && "px-3")}>
         <div
           className={cn(
-            "flex items-center gap-2 sm:gap-4",
+            "flex items-center gap-2 sm:gap-4 flex-wrap",
             isMobile && "flex-col sm:flex-row",
           )}
         >
@@ -32,6 +38,19 @@ export function AccountBulkActions({
             {selectedCount} compte{selectedCount > 1 ? "s" : ""} sélectionné
             {selectedCount > 1 ? "s" : ""}
           </span>
+          {canMerge && (
+            <Button
+              size={isMobile ? "sm" : "sm"}
+              variant="default"
+              onClick={onMerge}
+              className={cn(isMobile && "w-full sm:w-auto")}
+            >
+              <GitMerge
+                className={cn(isMobile ? "w-3.5 h-3.5" : "w-4 h-4", "mr-1")}
+              />
+              Fusionner
+            </Button>
+          )}
           <Button
             size={isMobile ? "sm" : "sm"}
             variant="destructive"

components/accounts/account-card.tsx

@@ -29,6 +29,7 @@ interface AccountCardProps {
   account: Account;
   folder?: Folder;
   transactionCount: number;
+  calculatedBalance?: number;
   onEdit: (account: Account) => void;
   onDelete: (accountId: string) => void;
   formatCurrency: (amount: number) => string;
@@ -42,6 +43,7 @@ export function AccountCard({
   account,
   folder,
   transactionCount,
+  calculatedBalance,
   onEdit,
   onDelete,
   formatCurrency,
@@ -53,6 +55,9 @@ export function AccountCard({
   const isMobile = useIsMobile();
   const Icon = accountTypeIcons[account.type];
   const realBalance = getAccountBalance(account);
+  const hasBalanceDifference =
+    calculatedBalance !== undefined &&
+    Math.abs(account.balance - calculatedBalance) > 0.01;
 
   const {
     attributes,
@@ -82,7 +87,6 @@ export function AccountCard({
         "relative group",
         isSelected && "ring-2 ring-primary shadow-lg shadow-primary/10",
         isDragging && "bg-muted/80 opacity-60",
-        "hover:scale-[1.02] transition-transform duration-200",
       )}
     >
       <CardHeader className={cn("pb-0", isMobile && "px-2 pt-2")}>
@@ -173,6 +177,7 @@ export function AccountCard({
         className={cn(isMobile ? "px-2 pb-2 pt-1" : "pt-1", compact && "pt-0")}
       >
         <div className="flex items-center justify-between gap-1.5">
+          <div className="flex-1 min-w-0">
             <div
               className={cn(
                 "font-bold truncate",
@@ -184,11 +189,25 @@ export function AccountCard({
                     ? "text-base"
                     : "text-xl",
                 !compact && !isMobile && "mb-1.5",
-              realBalance >= 0 ? "text-emerald-600" : "text-red-600",
+                realBalance >= 0 ? "text-success" : "text-destructive",
               )}
             >
               {formatCurrency(realBalance)}
             </div>
+            {!compact && calculatedBalance !== undefined && (
+              <div className="flex items-center gap-2 mt-0.5">
+                <span className="text-xs text-muted-foreground">
+                  Calculé: {formatCurrency(calculatedBalance)}
+                </span>
+                {hasBalanceDifference && (
+                  <span className="text-xs text-destructive font-semibold">
+                    (diff: {formatCurrency(account.balance - calculatedBalance)}
+                    )
+                  </span>
+                )}
+              </div>
+            )}
+          </div>
           {compact && (
             <Link
               href={`/transactions?accountId=${account.id}`}

components/accounts/account-edit-dialog.tsx

@@ -25,6 +25,7 @@ interface AccountFormData {
   folderId: string;
   externalUrl: string;
   initialBalance: number;
+  totalBalance: number;
 }
 
 interface AccountEditDialogProps {
@@ -101,21 +102,43 @@ export function AccountEditDialog({
             </Select>
           </div>
           <div className="space-y-2">
-            <Label>Solde initial</Label>
+            <Label>Solde total</Label>
             <Input
               type="number"
               step="0.01"
-              value={formData.initialBalance}
+              value={formData.totalBalance}
               onChange={(e) =>
                 onFormDataChange({
                   ...formData,
-                  initialBalance: parseFloat(e.target.value) || 0,
+                  totalBalance: parseFloat(e.target.value) || 0,
                 })
               }
               placeholder="0.00"
             />
             <p className="text-xs text-muted-foreground">
-              Solde de départ pour équilibrer le compte
+              Solde total du compte (balance + solde initial)
+            </p>
+          </div>
+          <div className="space-y-2">
+            <Label>Solde initial</Label>
+            <Input
+              type="number"
+              step="0.01"
+              value={formData.initialBalance}
+              onChange={(e) => {
+                const newInitialBalance = parseFloat(e.target.value) || 0;
+                onFormDataChange({
+                  ...formData,
+                  initialBalance: newInitialBalance,
+                  // Ajuster le solde total pour maintenir la cohérence
+                  totalBalance: formData.totalBalance,
+                });
+              }}
+              placeholder="0.00"
+            />
+            <p className="text-xs text-muted-foreground">
+              Solde de départ pour équilibrer le compte. Le balance sera calculé
+              automatiquement (solde total - solde initial).
             </p>
           </div>
           <div className="space-y-2">

components/accounts/account-merge-select-dialog.tsx

@@ -0,0 +1,168 @@
+"use client";
+
+import { useState } from "react";
+import { Button } from "@/components/ui/button";
+import {
+  Dialog,
+  DialogContent,
+  DialogHeader,
+  DialogTitle,
+  DialogDescription,
+} from "@/components/ui/dialog";
+import { Label } from "@/components/ui/label";
+import { Alert, AlertDescription } from "@/components/ui/alert";
+import { AlertTriangle, Info } from "lucide-react";
+import type { Account } from "@/lib/types";
+import { getAccountBalance } from "@/lib/account-utils";
+import { RadioGroup, RadioGroupItem } from "@/components/ui/radio-group";
+
+interface AccountMergeSelectDialogProps {
+  open: boolean;
+  onOpenChange: (open: boolean) => void;
+  accounts: Account[];
+  selectedAccountIds: string[];
+  onMerge: (sourceAccountId: string, targetAccountId: string) => Promise<void>;
+  formatCurrency: (amount: number) => string;
+}
+
+export function AccountMergeSelectDialog({
+  open,
+  onOpenChange,
+  accounts,
+  selectedAccountIds,
+  onMerge,
+  formatCurrency,
+}: AccountMergeSelectDialogProps) {
+  const [targetAccountId, setTargetAccountId] = useState<string>("");
+  const [isMerging, setIsMerging] = useState(false);
+
+  const selectedAccounts = accounts.filter((a) =>
+    selectedAccountIds.includes(a.id),
+  );
+
+  const sourceAccountId =
+    selectedAccounts.length === 2 && targetAccountId
+      ? selectedAccounts.find((a) => a.id !== targetAccountId)?.id || ""
+      : "";
+
+  const sourceAccount = accounts.find((a) => a.id === sourceAccountId);
+  const targetAccount = accounts.find((a) => a.id === targetAccountId);
+
+  // Initialiser avec le premier compte si pas encore sélectionné
+  if (open && selectedAccounts.length === 2 && !targetAccountId) {
+    setTargetAccountId(selectedAccounts[0].id);
+  }
+
+  const handleMerge = async () => {
+    if (
+      !sourceAccountId ||
+      !targetAccountId ||
+      sourceAccountId === targetAccountId
+    ) {
+      return;
+    }
+
+    setIsMerging(true);
+    try {
+      await onMerge(sourceAccountId, targetAccountId);
+      setTargetAccountId("");
+      onOpenChange(false);
+    } catch (error) {
+      console.error("Error merging accounts:", error);
+      alert("Erreur lors de la fusion des comptes");
+    } finally {
+      setIsMerging(false);
+    }
+  };
+
+  const canMerge =
+    selectedAccounts.length === 2 &&
+    sourceAccountId &&
+    targetAccountId &&
+    sourceAccountId !== targetAccountId &&
+    sourceAccount &&
+    targetAccount;
+
+  if (selectedAccounts.length !== 2) {
+    return null;
+  }
+
+  return (
+    <Dialog open={open} onOpenChange={onOpenChange}>
+      <DialogContent className="sm:max-w-[500px]">
+        <DialogHeader>
+          <DialogTitle>Fusionner des comptes</DialogTitle>
+          <DialogDescription>
+            Choisissez quel compte conserver. Toutes les transactions de l'autre
+            compte seront déplacées vers celui-ci.
+          </DialogDescription>
+        </DialogHeader>
+
+        <div className="space-y-4">
+          <Alert>
+            <Info className="h-4 w-4" />
+            <AlertDescription>
+              Le compte sélectionné sera conservé et utilisé pour les prochains
+              imports. Choisissez celui qui a le bon bankId.
+            </AlertDescription>
+          </Alert>
+
+          <div className="space-y-3">
+            <Label>Compte à conserver (destination)</Label>
+            <RadioGroup
+              value={targetAccountId}
+              onValueChange={setTargetAccountId}
+            >
+              {selectedAccounts.map((account) => (
+                <div
+                  key={account.id}
+                  className="flex items-start space-x-3 rounded-lg border p-3 hover:bg-accent"
+                >
+                  <RadioGroupItem
+                    value={account.id}
+                    id={account.id}
+                    className="mt-1"
+                  />
+                  <Label
+                    htmlFor={account.id}
+                    className="flex-1 cursor-pointer space-y-1"
+                  >
+                    <div className="font-medium">{account.name}</div>
+                    <div className="text-xs text-muted-foreground space-y-0.5">
+                      <div>Numéro: {account.accountNumber}</div>
+                      <div>Bank ID: {account.bankId}</div>
+                      <div>
+                        Solde: {formatCurrency(getAccountBalance(account))}
+                      </div>
+                    </div>
+                  </Label>
+                </div>
+              ))}
+            </RadioGroup>
+          </div>
+
+          {canMerge && (
+            <Alert>
+              <AlertTriangle className="h-4 w-4" />
+              <AlertDescription>
+                <strong>Attention :</strong> Toutes les transactions du compte "
+                {sourceAccount.name}" seront déplacées vers "
+                {targetAccount.name}". Le compte "{sourceAccount.name}" sera
+                supprimé après la fusion. Cette action est irréversible.
+              </AlertDescription>
+            </Alert>
+          )}
+
+          <div className="flex justify-end gap-2 pt-2">
+            <Button variant="outline" onClick={() => onOpenChange(false)}>
+              Annuler
+            </Button>
+            <Button onClick={handleMerge} disabled={!canMerge || isMerging}>
+              {isMerging ? "Fusion en cours..." : "Fusionner"}
+            </Button>
+          </div>
+        </div>
+      </DialogContent>
+    </Dialog>
+  );
+}

components/accounts/index.ts

@@ -1,4 +1,5 @@
 export { AccountCard } from "./account-card";
 export { AccountEditDialog } from "./account-edit-dialog";
+export { AccountMergeSelectDialog } from "./account-merge-select-dialog";
 export { AccountBulkActions } from "./account-bulk-actions";
 export { accountTypeIcons, accountTypeLabels } from "./constants";

components/categories/category-card.tsx

@@ -1,5 +1,6 @@
 "use client";
 
+import Link from "next/link";
 import { Button } from "@/components/ui/button";
 import { Badge } from "@/components/ui/badge";
 import { CategoryIcon } from "@/components/ui/category-icon";
@@ -25,7 +26,7 @@ export function CategoryCard({
   const isMobile = useIsMobile();
 
   return (
-    <div className="flex items-center justify-between py-1.5 px-2 rounded hover:bg-muted/50 transition-colors group">
+    <div className="flex items-center justify-between py-1.5 px-2 rounded group">
       <div className="flex items-center gap-2 min-w-0 flex-1">
         <div
           className="w-4 h-4 md:w-5 md:h-5 rounded-full flex items-center justify-center shrink-0"
@@ -37,7 +38,13 @@ export function CategoryCard({
             size={isMobile ? 10 : 12}
           />
         </div>
-        <span className="text-xs md:text-sm truncate">{category.name}</span>
+        <Link
+          href={`/transactions?categoryIds=${category.id}`}
+          className="text-xs md:text-sm truncate hover:underline"
+          onClick={(e) => e.stopPropagation()}
+        >
+          {category.name}
+        </Link>
         {!isMobile && (
           <span className="text-xs md:text-sm text-muted-foreground shrink-0">
             {stats.count} opération{stats.count > 1 ? "s" : ""} •{" "}
@@ -59,7 +66,7 @@ export function CategoryCard({
         )}
       </div>
 
-      <div className="flex items-center shrink-0 opacity-0 group-hover:opacity-100 md:opacity-100 transition-opacity">
+      <div className="flex items-center shrink-0 opacity-0 group-hover:opacity-100 md:opacity-100">
         <Button
           variant="ghost"
           size="icon"

components/categories/parent-category-row.tsx

@@ -1,5 +1,6 @@
 "use client";
 
+import Link from "next/link";
 import { Button } from "@/components/ui/button";
 import {
   DropdownMenu,
@@ -12,6 +13,7 @@ import {
   CollapsibleContent,
   CollapsibleTrigger,
 } from "@/components/ui/collapsible";
+import { Card } from "@/components/ui/card";
 import { CategoryIcon } from "@/components/ui/category-icon";
 import {
   Plus,
@@ -53,11 +55,11 @@ export function ParentCategoryRow({
   const isMobile = useIsMobile();
 
   return (
-    <div className="border rounded-lg bg-card">
+    <Card className="card-hover">
       <Collapsible open={isExpanded} onOpenChange={onToggleExpanded}>
         <div className="flex items-center justify-between px-2 md:px-3 py-1.5 md:py-2">
           <CollapsibleTrigger asChild>
-            <button className="flex items-center gap-1.5 md:gap-2 hover:opacity-80 transition-opacity flex-1 min-w-0">
+            <button className="flex items-center gap-1.5 md:gap-2 hover:opacity-80 flex-1 min-w-0">
               {isExpanded ? (
                 <ChevronDown className="w-3 h-3 md:w-4 md:h-4 text-muted-foreground shrink-0" />
               ) : (
@@ -73,9 +75,13 @@ export function ParentCategoryRow({
                   size={isMobile ? 10 : 14}
                 />
               </div>
-              <span className="font-medium text-xs md:text-sm truncate">
+              <Link
+                href={`/transactions?categoryIds=${parent.id}`}
+                className="font-medium text-xs md:text-sm truncate hover:underline"
+                onClick={(e) => e.stopPropagation()}
+              >
                 {parent.name}
-              </span>
+              </Link>
               {!isMobile && (
                 <span className="text-xs md:text-sm text-muted-foreground shrink-0">
                   {children.length} • {stats.count} opération
@@ -119,7 +125,7 @@ export function ParentCategoryRow({
                 </DropdownMenuItem>
                 <DropdownMenuItem
                   onClick={() => onDelete(parent.id)}
-                  className="text-red-600"
+                  className="text-destructive"
                 >
                   <Trash2 className="w-4 h-4 mr-2" />
                   Supprimer
@@ -150,6 +156,6 @@ export function ParentCategoryRow({
           )}
         </CollapsibleContent>
       </Collapsible>
-    </div>
+    </Card>
   );
 }

components/dashboard/accounts-summary.tsx

@@ -89,7 +89,7 @@ export function AccountsSummary({ data }: AccountsSummaryProps) {
             <span
               className={cn(
                 "text-xs font-semibold tabular-nums ml-auto",
-                folderTotal >= 0 ? "text-emerald-600" : "text-red-600",
+                folderTotal >= 0 ? "text-success" : "text-destructive",
               )}
             >
               {formatCurrency(folderTotal)}
@@ -113,11 +113,11 @@ export function AccountsSummary({ data }: AccountsSummaryProps) {
               return (
                 <div
                   key={account.id}
-                  className="space-y-2.5 p-3 rounded-xl bg-muted/30 hover:bg-muted/50 border border-border/50 hover:border-primary/20 transition-all duration-300 group"
+                  className="space-y-2.5 p-3 rounded-xl bg-muted/30 border border-border/50 group"
                 >
                   <div className="flex items-center justify-between">
                     <div className="flex items-center gap-3">
-                      <div className="w-10 h-10 rounded-xl bg-gradient-to-br from-primary/20 to-primary/10 flex items-center justify-center group-hover:scale-110 transition-transform duration-300">
+                      <div className="w-10 h-10 rounded-xl bg-gradient-to-br from-primary/20 to-primary/10 flex items-center justify-center">
                         <Building2 className="w-5 h-5 text-primary" />
                       </div>
                       <div>
@@ -130,9 +130,7 @@ export function AccountsSummary({ data }: AccountsSummaryProps) {
                     <span
                       className={cn(
                         "font-bold tabular-nums text-base",
-                        realBalance >= 0
+                        realBalance >= 0 ? "text-success" : "text-destructive",
-                          ? "text-emerald-600 dark:text-emerald-400"
-                          : "text-red-600 dark:text-red-400",
                       )}
                     >
                       {formatCurrency(realBalance)}
@@ -204,7 +202,7 @@ export function AccountsSummary({ data }: AccountsSummaryProps) {
                   <span
                     className={cn(
                       "text-xs font-semibold tabular-nums ml-auto",
-                      orphanTotal >= 0 ? "text-emerald-600" : "text-red-600",
+                      orphanTotal >= 0 ? "text-success" : "text-destructive",
                     )}
                   >
                     {formatCurrency(orphanTotal)}
@@ -225,11 +223,11 @@ export function AccountsSummary({ data }: AccountsSummaryProps) {
                   return (
                     <div
                       key={account.id}
-                      className="space-y-2.5 p-3 rounded-xl bg-muted/30 hover:bg-muted/50 border border-border/50 hover:border-primary/20 transition-all duration-300 group"
+                      className="space-y-2.5 p-3 rounded-xl bg-muted/30 border border-border/50 group"
                     >
                       <div className="flex items-center justify-between">
                         <div className="flex items-center gap-3">
-                          <div className="w-10 h-10 rounded-xl bg-gradient-to-br from-primary/20 to-primary/10 flex items-center justify-center group-hover:scale-110 transition-transform duration-300">
+                          <div className="w-10 h-10 rounded-xl bg-gradient-to-br from-primary/20 to-primary/10 flex items-center justify-center">
                             <Building2 className="w-5 h-5 text-primary" />
                           </div>
                           <div>
@@ -245,8 +243,8 @@ export function AccountsSummary({ data }: AccountsSummaryProps) {
                           className={cn(
                             "font-bold tabular-nums text-base",
                             realBalance >= 0
-                              ? "text-emerald-600 dark:text-emerald-400"
+                              ? "text-success"
-                              : "text-red-600 dark:text-red-400",
+                              : "text-destructive",
                           )}
                         >
                           {formatCurrency(realBalance)}

components/dashboard/category-breakdown.tsx

@@ -36,10 +36,43 @@ export function CategoryBreakdown({ data }: CategoryBreakdownProps) {
         value: total,
         color: category?.color || "#94a3b8",
         icon: category?.icon || "HelpCircle",
+        categoryId: categoryId === "uncategorized" ? null : categoryId,
       };
     })
-    .sort((a, b) => b.value - a.value)
+    .sort((a, b) => b.value - a.value);
-    .slice(0, 6);
+
+  // Category breakdown grouped by parent
+  const categoryTotalsByParent = new Map<string, number>();
+  monthExpenses.forEach((t) => {
+    const category = data.categories.find((c) => c.id === t.categoryId);
+    // Use parent category ID if exists, otherwise use the category itself
+    let groupId: string;
+    if (!category) {
+      groupId = "uncategorized";
+    } else if (category.parentId) {
+      groupId = category.parentId;
+    } else {
+      // Category is a parent itself
+      groupId = category.id;
+    }
+    const current = categoryTotalsByParent.get(groupId) || 0;
+    categoryTotalsByParent.set(groupId, current + Math.abs(t.amount));
+  });
+
+  const chartDataByParent: CategoryChartData[] = Array.from(
+    categoryTotalsByParent.entries(),
+  )
+    .map(([groupId, total]) => {
+      const category = data.categories.find((c) => c.id === groupId);
+      return {
+        name: category?.name || "Non catégorisé",
+        value: total,
+        color: category?.color || "#94a3b8",
+        icon: category?.icon || "HelpCircle",
+        categoryId: groupId === "uncategorized" ? null : groupId,
+      };
+    })
+    .sort((a, b) => b.value - a.value);
 
   const formatCurrency = (value: number) => {
     return new Intl.NumberFormat("fr-FR", {
@@ -51,6 +84,8 @@ export function CategoryBreakdown({ data }: CategoryBreakdownProps) {
   return (
     <CategoryPieChart
       data={chartData}
+      dataByParent={chartDataByParent}
+      categories={data.categories}
       formatCurrency={formatCurrency}
       title="Dépenses par catégorie"
       height={250}

components/dashboard/overview-cards.tsx

@@ -1,7 +1,13 @@
 "use client";
 
 import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
-import { TrendingUp, TrendingDown, Wallet, CreditCard } from "lucide-react";
+import {
+  TrendingUp,
+  TrendingDown,
+  Wallet,
+  CreditCard,
+  Tag,
+} from "lucide-react";
 import type { BankingData } from "@/lib/types";
 import { getAccountBalance } from "@/lib/account-utils";
 import { cn } from "@/lib/utils";
@@ -35,7 +41,13 @@ export function OverviewCards({ data }: OverviewCardsProps) {
   const reconciled = data.transactions.filter((t) => t.isReconciled).length;
   const total = data.transactions.length;
   const reconciledPercent =
-    total > 0 ? Math.round((reconciled / total) * 100) : 0;
+    total > 0 ? ((reconciled / total) * 100).toFixed(2) : "0.00";
+
+  const categorized = data.transactions.filter(
+    (t) => t.categoryId !== null,
+  ).length;
+  const categorizedPercent =
+    total > 0 ? ((categorized / total) * 100).toFixed(2) : "0.00";
 
   const formatCurrency = (amount: number) => {
     return new Intl.NumberFormat("fr-FR", {
@@ -45,49 +57,53 @@ export function OverviewCards({ data }: OverviewCardsProps) {
   };
 
   return (
-    <div className="grid gap-4 sm:gap-6 grid-cols-2 lg:grid-cols-4">
+    <div className="grid gap-4 sm:gap-6 grid-cols-1 sm:grid-cols-2 lg:grid-cols-5">
       <Card className="stat-card-gradient-1 card-hover group relative overflow-hidden">
-        <div className="absolute inset-0 bg-gradient-to-br from-primary/8 via-transparent to-transparent opacity-0 group-hover:opacity-100 transition-opacity duration-500" />
+        {/* Icône en arrière-plan */}
-        <CardHeader className="flex flex-row items-start justify-between space-y-0 pb-4 px-6 pt-6 sm:px-7 sm:pt-7 lg:px-5 lg:pt-5 relative z-10">
+        <div className="absolute bottom-2 right-2 opacity-[0.04] z-0 pointer-events-none">
-          <CardTitle className="text-xs font-bold text-muted-foreground/70 leading-tight uppercase tracking-widest">
+          <Wallet
+            className="h-20 w-20 sm:h-24 sm:w-24 md:h-28 md:w-28 text-primary"
+            strokeWidth={1}
+          />
+        </div>
+        <CardHeader className="flex flex-row items-start justify-between space-y-0 pb-3 px-5 pt-5 sm:px-6 sm:pt-6 relative z-10">
+          <CardTitle className="text-[10px] sm:text-xs font-semibold text-muted-foreground/80 leading-tight uppercase tracking-wider flex-1 min-w-0">
             Solde Total
           </CardTitle>
-          <div className="rounded-2xl bg-gradient-to-br from-primary/30 via-primary/20 to-primary/10 p-3 shrink-0 group-hover:scale-110 group-hover:rotate-3 transition-all duration-300 shadow-lg shadow-primary/20">
-            <Wallet className="h-5 w-5 text-primary" />
-          </div>
         </CardHeader>
-        <CardContent className="px-6 pb-6 sm:px-7 sm:pb-7 lg:px-5 lg:pb-5 pt-0 relative z-10">
+        <CardContent className="px-5 pb-5 sm:px-6 sm:pb-6 pt-0 relative z-10">
           <div
             className={cn(
-              "text-2xl sm:text-3xl md:text-3xl lg:text-xl xl:text-xl font-black tracking-tight mb-4 leading-none break-words",
+              "text-2xl sm:text-3xl md:text-3xl lg:text-2xl xl:text-3xl font-black tracking-tight mb-3 leading-tight break-words",
-              totalBalance >= 0
+              totalBalance >= 0 ? "text-success" : "text-destructive",
-                ? "text-emerald-600 dark:text-emerald-400"
-                : "text-red-600 dark:text-red-400",
             )}
           >
             {formatCurrency(totalBalance)}
           </div>
-          <p className="text-xs sm:text-sm font-semibold text-muted-foreground/60">
+          <p className="text-xs sm:text-sm font-medium text-muted-foreground/70">
             {data.accounts.length} compte{data.accounts.length > 1 ? "s" : ""}
           </p>
         </CardContent>
       </Card>
 
       <Card className="stat-card-gradient-2 card-hover group relative overflow-hidden">
-        <div className="absolute inset-0 bg-gradient-to-br from-success/8 via-transparent to-transparent opacity-0 group-hover:opacity-100 transition-opacity duration-500" />
+        {/* Icône en arrière-plan */}
-        <CardHeader className="flex flex-row items-start justify-between space-y-0 pb-4 px-6 pt-6 sm:px-7 sm:pt-7 lg:px-5 lg:pt-5 relative z-10">
+        <div className="absolute bottom-2 right-2 opacity-[0.04] z-0 pointer-events-none">
-          <CardTitle className="text-xs font-bold text-muted-foreground/70 leading-tight uppercase tracking-widest">
+          <TrendingUp
+            className="h-20 w-20 sm:h-24 sm:w-24 md:h-28 md:w-28 text-success"
+            strokeWidth={1}
+          />
+        </div>
+        <CardHeader className="flex flex-row items-start justify-between space-y-0 pb-3 px-5 pt-5 sm:px-6 sm:pt-6 relative z-10">
+          <CardTitle className="text-[10px] sm:text-xs font-semibold text-muted-foreground/80 leading-tight uppercase tracking-wider flex-1 min-w-0">
             Revenus du mois
           </CardTitle>
-          <div className="rounded-2xl bg-gradient-to-br from-success/30 via-success/20 to-success/10 p-3 shrink-0 group-hover:scale-110 group-hover:rotate-3 transition-all duration-300 shadow-lg shadow-success/20">
-            <TrendingUp className="h-5 w-5 text-success" />
-          </div>
         </CardHeader>
-        <CardContent className="px-6 pb-6 sm:px-7 sm:pb-7 lg:px-5 lg:pb-5 pt-0 relative z-10">
+        <CardContent className="px-5 pb-5 sm:px-6 sm:pb-6 pt-0 relative z-10">
-          <div className="text-2xl sm:text-3xl md:text-3xl lg:text-xl xl:text-xl font-black tracking-tight text-success mb-4 leading-none break-words">
+          <div className="text-2xl sm:text-3xl md:text-3xl lg:text-2xl xl:text-3xl font-black tracking-tight text-success mb-3 leading-tight break-words">
             {formatCurrency(income)}
           </div>
-          <p className="text-xs sm:text-sm font-semibold text-muted-foreground/60">
+          <p className="text-xs sm:text-sm font-medium text-muted-foreground/70">
             {monthTransactions.filter((t) => t.amount > 0).length} opération
             {monthTransactions.filter((t) => t.amount > 0).length > 1
               ? "s"
@@ -97,20 +113,23 @@ export function OverviewCards({ data }: OverviewCardsProps) {
       </Card>
 
       <Card className="stat-card-gradient-3 card-hover group relative overflow-hidden">
-        <div className="absolute inset-0 bg-gradient-to-br from-destructive/8 via-transparent to-transparent opacity-0 group-hover:opacity-100 transition-opacity duration-500" />
+        {/* Icône en arrière-plan */}
-        <CardHeader className="flex flex-row items-start justify-between space-y-0 pb-4 px-6 pt-6 sm:px-7 sm:pt-7 lg:px-5 lg:pt-5 relative z-10">
+        <div className="absolute bottom-2 right-2 opacity-[0.04] z-0 pointer-events-none">
-          <CardTitle className="text-xs font-bold text-muted-foreground/70 leading-tight uppercase tracking-widest">
+          <TrendingDown
+            className="h-20 w-20 sm:h-24 sm:w-24 md:h-28 md:w-28 text-destructive"
+            strokeWidth={1}
+          />
+        </div>
+        <CardHeader className="flex flex-row items-start justify-between space-y-0 pb-3 px-5 pt-5 sm:px-6 sm:pt-6 relative z-10">
+          <CardTitle className="text-[10px] sm:text-xs font-semibold text-muted-foreground/80 leading-tight uppercase tracking-wider flex-1 min-w-0">
             Dépenses du mois
           </CardTitle>
-          <div className="rounded-2xl bg-gradient-to-br from-destructive/30 via-destructive/20 to-destructive/10 p-3 shrink-0 group-hover:scale-110 group-hover:rotate-3 transition-all duration-300 shadow-lg shadow-destructive/20">
-            <TrendingDown className="h-5 w-5 text-destructive" />
-          </div>
         </CardHeader>
-        <CardContent className="px-6 pb-6 sm:px-7 sm:pb-7 lg:px-5 lg:pb-5 pt-0 relative z-10">
+        <CardContent className="px-5 pb-5 sm:px-6 sm:pb-6 pt-0 relative z-10">
-          <div className="text-2xl sm:text-3xl md:text-3xl lg:text-xl xl:text-xl font-black tracking-tight text-destructive mb-4 leading-none break-words">
+          <div className="text-2xl sm:text-3xl md:text-3xl lg:text-2xl xl:text-3xl font-black tracking-tight text-destructive mb-3 leading-tight break-words">
             {formatCurrency(expenses)}
           </div>
-          <p className="text-xs sm:text-sm font-semibold text-muted-foreground/60">
+          <p className="text-xs sm:text-sm font-medium text-muted-foreground/70">
             {monthTransactions.filter((t) => t.amount < 0).length} opération
             {monthTransactions.filter((t) => t.amount < 0).length > 1
               ? "s"
@@ -120,24 +139,50 @@ export function OverviewCards({ data }: OverviewCardsProps) {
       </Card>
 
       <Card className="stat-card-gradient-4 card-hover group relative overflow-hidden">
-        <div className="absolute inset-0 bg-gradient-to-br from-chart-4/8 via-transparent to-transparent opacity-0 group-hover:opacity-100 transition-opacity duration-500" />
+        {/* Icône en arrière-plan */}
-        <CardHeader className="flex flex-row items-start justify-between space-y-0 pb-4 px-6 pt-6 sm:px-7 sm:pt-7 lg:px-5 lg:pt-5 relative z-10">
+        <div className="absolute bottom-2 right-2 opacity-[0.04] z-0 pointer-events-none">
-          <CardTitle className="text-xs font-bold text-muted-foreground/70 leading-tight uppercase tracking-widest">
+          <CreditCard
+            className="h-20 w-20 sm:h-24 sm:w-24 md:h-28 md:w-28 text-chart-4"
+            strokeWidth={1}
+          />
+        </div>
+        <CardHeader className="flex flex-row items-start justify-between space-y-0 pb-3 px-5 pt-5 sm:px-6 sm:pt-6 relative z-10">
+          <CardTitle className="text-[10px] sm:text-xs font-semibold text-muted-foreground/80 leading-tight uppercase tracking-wider flex-1 min-w-0">
             Pointage
           </CardTitle>
-          <div className="rounded-2xl bg-gradient-to-br from-chart-4/30 via-chart-4/20 to-chart-4/10 p-3 shrink-0 group-hover:scale-110 group-hover:rotate-3 transition-all duration-300 shadow-lg shadow-chart-4/20">
-            <CreditCard className="h-5 w-5 text-chart-4" />
-          </div>
         </CardHeader>
-        <CardContent className="px-6 pb-6 sm:px-7 sm:pb-7 lg:px-5 lg:pb-5 pt-0 relative z-10">
+        <CardContent className="px-5 pb-5 sm:px-6 sm:pb-6 pt-0 relative z-10">
-          <div className="text-2xl sm:text-3xl md:text-3xl lg:text-xl xl:text-xl font-black tracking-tight mb-4 leading-none break-words">
+          <div className="text-2xl sm:text-3xl md:text-3xl lg:text-2xl xl:text-3xl font-black tracking-tight mb-3 leading-tight break-words">
             {reconciledPercent}%
           </div>
-          <p className="text-xs sm:text-sm font-semibold text-muted-foreground/60">
+          <p className="text-xs sm:text-sm font-medium text-muted-foreground/70">
             {reconciled} / {total} opérations pointées
           </p>
         </CardContent>
       </Card>
+
+      <Card className="stat-card-gradient-5 card-hover group relative overflow-hidden">
+        {/* Icône en arrière-plan */}
+        <div className="absolute bottom-2 right-2 opacity-[0.04] z-0 pointer-events-none">
+          <Tag
+            className="h-20 w-20 sm:h-24 sm:w-24 md:h-28 md:w-28 text-chart-5"
+            strokeWidth={1}
+          />
+        </div>
+        <CardHeader className="flex flex-row items-start justify-between space-y-0 pb-3 px-5 pt-5 sm:px-6 sm:pt-6 relative z-10">
+          <CardTitle className="text-[10px] sm:text-xs font-semibold text-muted-foreground/80 leading-tight uppercase tracking-wider flex-1 min-w-0">
+            Catégorisation
+          </CardTitle>
+        </CardHeader>
+        <CardContent className="px-5 pb-5 sm:px-6 sm:pb-6 pt-0 relative z-10">
+          <div className="text-2xl sm:text-3xl md:text-3xl lg:text-2xl xl:text-3xl font-black tracking-tight mb-3 leading-tight break-words">
+            {categorizedPercent}%
+          </div>
+          <p className="text-xs sm:text-sm font-medium text-muted-foreground/70">
+            {categorized} / {total} opérations catégorisées
+          </p>
+        </CardContent>
+      </Card>
     </div>
   );
 }

components/dashboard/recent-transactions.tsx

@@ -61,13 +61,13 @@ export function RecentTransactions({ data }: RecentTransactionsProps) {
   }
 
   return (
-    <Card className="card-hover">
+    <Card className="card-hover relative overflow-hidden">
-      <CardHeader className="pb-5">
+      <CardHeader className="pb-5 relative z-10">
         <CardTitle className="text-lg md:text-xl font-black tracking-tight">
           Transactions récentes
         </CardTitle>
       </CardHeader>
-      <CardContent className="px-5 md:px-6">
+      <CardContent className="px-5 md:px-6 relative z-10">
         <div className="space-y-3">
           {recentTransactions.map((transaction) => {
             const category = getCategory(transaction.categoryId);
@@ -76,7 +76,7 @@ export function RecentTransactions({ data }: RecentTransactionsProps) {
             return (
               <div
                 key={transaction.id}
-                className="group rounded-2xl bg-gradient-to-r from-muted/50 via-muted/30 to-muted/20 hover:from-muted/70 hover:via-muted/50 hover:to-muted/40 border-2 border-border/40 hover:border-primary/30 transition-all duration-300 overflow-hidden hover:shadow-lg hover:shadow-primary/10 hover:scale-[1.02] backdrop-blur-sm"
+                className="group rounded-2xl bg-gradient-to-r from-muted/50 via-muted/30 to-muted/20 border-2 border-border/40 overflow-hidden backdrop-blur-sm"
               >
                 <div className="flex items-start gap-4 md:gap-5 p-4 md:p-5">
                   <div className="flex-1 min-w-0 overflow-hidden">
@@ -88,8 +88,8 @@ export function RecentTransactions({ data }: RecentTransactionsProps) {
                         className={cn(
                           "font-black tabular-nums text-sm md:text-base shrink-0 md:hidden",
                           transaction.amount >= 0
-                            ? "text-emerald-600 dark:text-emerald-400"
+                            ? "text-success"
-                            : "text-red-600 dark:text-red-400",
+                            : "text-destructive",
                         )}
                       >
                         {transaction.amount >= 0 ? "+" : ""}
@@ -130,8 +130,8 @@ export function RecentTransactions({ data }: RecentTransactionsProps) {
                     className={cn(
                       "font-black tabular-nums text-base md:text-lg shrink-0 hidden md:block leading-tight",
                       transaction.amount >= 0
-                        ? "text-emerald-600 dark:text-emerald-400"
+                        ? "text-success"
-                        : "text-red-600 dark:text-red-400",
+                        : "text-destructive",
                     )}
                   >
                     {transaction.amount >= 0 ? "+" : ""}

components/dashboard/sidebar.tsx

@@ -1,6 +1,5 @@
 "use client";
 
-import { useState } from "react";
 import Link from "next/link";
 import { usePathname, useRouter } from "next/navigation";
 import { signOut } from "next-auth/react";
@@ -19,8 +18,9 @@ import {
   LogOut,
 } from "lucide-react";
 import { toast } from "sonner";
-import { Sheet, SheetContent } from "@/components/ui/sheet";
+import { Sheet, SheetContent, SheetTitle } from "@/components/ui/sheet";
 import { useIsMobile } from "@/hooks/use-mobile";
+import { useLocalStorage } from "@/hooks/use-local-storage";
 
 const navItems = [
   { href: "/", label: "Tableau de bord", icon: LayoutDashboard },
@@ -77,29 +77,27 @@ function SidebarContent({
         </div>
       )}
 
-      <nav className={cn(
+      <nav className={cn("flex-1 pt-2", collapsed ? "p-2" : "p-4")}>
-        "flex-1 space-y-2",
-        collapsed ? "p-2" : "p-4"
-      )}>
         {navItems.map((item) => {
           const isActive = pathname === item.href;
           return (
-            <Link key={item.href} href={item.href} onClick={handleLinkClick}>
+            <Link
+              key={item.href}
+              href={item.href}
+              onClick={handleLinkClick}
+              className="block mb-2 first:mt-0"
+            >
               <Button
                 variant={isActive ? "secondary" : "ghost"}
                 className={cn(
-                  "w-full justify-start gap-4 h-12 rounded-2xl transition-all duration-300",
+                  "w-full justify-start gap-3 h-12 rounded-2xl px-3",
-                  "hover:bg-muted/70 hover:scale-[1.02] hover:shadow-md",
                   isActive &&
                     "bg-gradient-to-r from-primary/15 via-primary/10 to-primary/5 border-2 border-primary/30 shadow-lg shadow-primary/10 backdrop-blur-sm",
                   collapsed && "justify-center px-2 w-12 mx-auto",
                 )}
               >
                 <item.icon
-                  className={cn(
+                  className={cn("w-5 h-5 shrink-0", isActive && "text-primary")}
-                    "w-5 h-5 shrink-0 transition-all duration-300",
-                    isActive && "text-primary scale-110",
-                  )}
                 />
                 {!collapsed && (
                   <span
@@ -117,15 +115,17 @@ function SidebarContent({
         })}
       </nav>
 
-      <div className={cn(
+      <div
-        "border-t border-border/30 space-y-2",
+        className={cn(
-        collapsed ? "p-2" : "p-4"
+          "border-t border-border/30 pt-2",
-      )}>
+          collapsed ? "p-2" : "p-4",
-        <Link href="/settings" onClick={handleLinkClick}>
+        )}
+      >
+        <Link href="/settings" onClick={handleLinkClick} className="block mb-2">
           <Button
             variant="ghost"
             className={cn(
-              "w-full justify-start gap-4 h-12 rounded-2xl transition-all duration-300 hover:bg-muted/70 hover:scale-[1.02] hover:shadow-md",
+              "w-full justify-start gap-3 h-12 rounded-2xl px-3",
               collapsed && "justify-center px-2 w-12 mx-auto",
             )}
           >
@@ -139,8 +139,8 @@ function SidebarContent({
           variant="ghost"
           onClick={handleSignOut}
           className={cn(
-            "w-full justify-start gap-4 h-12 rounded-2xl transition-all duration-300",
+            "w-full justify-start gap-3 h-12 rounded-2xl px-3 mb-2",
-            "text-destructive hover:text-destructive hover:bg-destructive/15 hover:scale-[1.02] hover:shadow-md",
+            "text-destructive",
             collapsed && "justify-center px-2 w-12 mx-auto",
           )}
         >
@@ -160,13 +160,18 @@ interface SidebarProps {
 }
 
 export function Sidebar({ open, onOpenChange }: SidebarProps) {
-  const [collapsed, setCollapsed] = useState(false);
+  const [collapsed, setCollapsed] = useLocalStorage("sidebar-collapsed", false);
   const isMobile = useIsMobile();
 
   if (isMobile) {
     return (
       <Sheet open={open} onOpenChange={onOpenChange}>
-        <SheetContent side="left" className="w-64 p-0">
+        <SheetContent
+          side="left"
+          className="w-64 p-0 text-sidebar-foreground border-sidebar-border"
+          style={{ backgroundColor: 'var(--sidebar-opaque)' }}
+        >
+          <SheetTitle className="sr-only">Navigation</SheetTitle>
           <div className="flex flex-col h-full">
             <SidebarContent
               showHeader
@@ -181,15 +186,17 @@ export function Sidebar({ open, onOpenChange }: SidebarProps) {
   return (
     <aside
       className={cn(
-        "hidden md:flex flex-col h-screen glass border-r border-border transition-all duration-300",
+        "hidden md:flex flex-col h-screen bg-sidebar text-sidebar-foreground border-r border-sidebar-border",
         "backdrop-blur-xl",
         collapsed ? "w-16" : "w-64",
       )}
     >
-      <div className={cn(
+      <div
-        "flex items-center border-b border-border/30 transition-all duration-300",
+        className={cn(
-        collapsed ? "justify-center p-4" : "justify-between p-6"
+          "flex items-center border-b border-border/30",
-      )}>
+          collapsed ? "justify-center p-4" : "justify-between p-6",
+        )}
+      >
         {!collapsed && (
           <div className="flex items-center gap-3">
             <div className="w-12 h-12 rounded-2xl bg-gradient-to-br from-primary via-primary/90 to-primary/80 flex items-center justify-center shadow-xl shadow-primary/30 backdrop-blur-sm">
@@ -204,10 +211,7 @@ export function Sidebar({ open, onOpenChange }: SidebarProps) {
           variant="ghost"
           size="icon"
           onClick={() => setCollapsed(!collapsed)}
-          className={cn(
+          className={cn("rounded-xl", collapsed ? "" : "ml-auto")}
-            "hover:bg-muted/60 rounded-xl transition-all duration-300 hover:scale-110",
-            collapsed ? "" : "ml-auto"
-          )}
         >
           {collapsed ? (
             <ChevronRight className="w-5 h-5" />

components/folders/draggable-account-item.tsx

@@ -74,7 +74,7 @@ export function DraggableAccountItem({
       <span
         className={cn(
           "text-sm tabular-nums",
-          realBalance >= 0 ? "text-emerald-600" : "text-red-600",
+          realBalance >= 0 ? "text-success" : "text-destructive",
         )}
       >
         {formatCurrency(realBalance)}

components/folders/draggable-folder-item.tsx

@@ -120,7 +120,7 @@ export function DraggableFolderItem({
           <span
             className={cn(
               "text-sm font-semibold tabular-nums",
-              folderTotal >= 0 ? "text-emerald-600" : "text-red-600",
+              folderTotal >= 0 ? "text-success" : "text-destructive",
             )}
           >
             {formatCurrency(folderTotal)}
@@ -145,7 +145,7 @@ export function DraggableFolderItem({
             {folder.id !== "folder-root" && (
               <DropdownMenuItem
                 onClick={() => onDelete(folder.id)}
-                className="text-red-600"
+                className="text-destructive"
               >
                 <Trash2 className="w-4 h-4 mr-2" />
                 Supprimer

components/import/ofx-import-dialog.tsx

@@ -505,9 +505,9 @@ export function OFXImportDialog({
                 {importResults.map((result, i) => (
                   <div key={i} className="flex items-center gap-2">
                     {result.error ? (
-                      <AlertCircle className="w-4 h-4 text-red-500 flex-shrink-0" />
+                      <AlertCircle className="w-4 h-4 text-destructive flex-shrink-0" />
                     ) : (
-                      <CheckCircle2 className="w-4 h-4 text-emerald-500 flex-shrink-0" />
+                      <CheckCircle2 className="w-4 h-4 text-success flex-shrink-0" />
                     )}
                     <span className="truncate">{result.fileName}</span>
                     {!result.error && (
@@ -524,16 +524,16 @@ export function OFXImportDialog({
 
         {step === "success" && (
           <div className="py-4">
-            <CheckCircle2 className="w-16 h-16 mx-auto mb-4 text-emerald-600" />
+            <CheckCircle2 className="w-16 h-16 mx-auto mb-4 text-success" />
 
             {importResults.length > 1 && (
               <div className="max-h-48 overflow-auto space-y-1 text-sm mb-4 border rounded-lg p-2">
                 {importResults.map((result, i) => (
                   <div key={i} className="flex items-center gap-2 py-1">
                     {result.error ? (
-                      <AlertCircle className="w-4 h-4 text-red-500 flex-shrink-0" />
+                      <AlertCircle className="w-4 h-4 text-destructive flex-shrink-0" />
                     ) : (
-                      <CheckCircle2 className="w-4 h-4 text-emerald-500 flex-shrink-0" />
+                      <CheckCircle2 className="w-4 h-4 text-success flex-shrink-0" />
                     )}
                     <div className="flex-1 min-w-0">
                       <p className="truncate font-medium">
@@ -544,7 +544,7 @@ export function OFXImportDialog({
                       </p>
                     </div>
                     {result.error ? (
-                      <span className="text-xs text-red-500 flex-shrink-0">
+                      <span className="text-xs text-destructive flex-shrink-0">
                         {result.error}
                       </span>
                     ) : (
@@ -559,7 +559,7 @@ export function OFXImportDialog({
             )}
 
             {errorCount > 0 && (
-              <p className="text-sm text-red-600 mb-4 text-center">
+              <p className="text-sm text-destructive mb-4 text-center">
                 {errorCount} fichier{errorCount > 1 ? "s" : ""} en erreur
               </p>
             )}
@@ -572,7 +572,7 @@ export function OFXImportDialog({
 
         {step === "error" && (
           <div className="text-center py-4">
-            <AlertCircle className="w-16 h-16 mx-auto mb-4 text-red-600" />
+            <AlertCircle className="w-16 h-16 mx-auto mb-4 text-destructive" />
             <Button onClick={() => setStep("upload")}>Réessayer</Button>
           </div>
         )}

components/layout/page-header.tsx

@@ -1,6 +1,6 @@
 "use client";
 
-import { ReactNode } from "react";
+import { ReactNode, useEffect, useState } from "react";
 import { Button } from "@/components/ui/button";
 import { Menu } from "lucide-react";
 import { useSidebarContext } from "@/components/layout/sidebar-context";
@@ -21,6 +21,30 @@ export function PageHeader({
 }: PageHeaderProps) {
   const { setOpen } = useSidebarContext();
   const isMobile = useIsMobile();
+  const [textColor, setTextColor] = useState("var(--foreground)");
+
+  useEffect(() => {
+    const checkDarkBackground = () => {
+      const pageBackground = document.querySelector(".page-background");
+      if (pageBackground?.classList.contains("bg-solid-dark")) {
+        setTextColor("#f5f5f5");
+      } else {
+        setTextColor("var(--foreground)");
+      }
+    };
+
+    checkDarkBackground();
+    const observer = new MutationObserver(checkDarkBackground);
+    const pageBackground = document.querySelector(".page-background");
+    if (pageBackground) {
+      observer.observe(pageBackground, {
+        attributes: true,
+        attributeFilter: ["class"],
+      });
+    }
+
+    return () => observer.disconnect();
+  }, []);
 
   return (
     <div className="flex flex-col gap-4 mb-2">
@@ -37,12 +61,16 @@ export function PageHeader({
         )}
         <div className="flex-1 min-w-0">
           <div className="flex items-start justify-between gap-2 mb-2">
-            <h1 className="text-2xl md:text-4xl lg:text-5xl font-black text-foreground tracking-tight leading-tight flex-1 min-w-0">
+            <h1
+              className="text-2xl md:text-4xl lg:text-5xl font-black tracking-tight leading-tight flex-1 min-w-0"
+              style={{
+                color: textColor,
+                WebkitTextFillColor: textColor,
+              }}
+            >
               {title}
             </h1>
-            {rightContent && (
+            {rightContent && <div className="shrink-0">{rightContent}</div>}
-              <div className="shrink-0">{rightContent}</div>
-            )}
           </div>
           {description && (
             <div className="text-base md:text-lg text-muted-foreground/70 font-semibold">

components/layout/page-layout.tsx

@@ -15,10 +15,10 @@ export function PageLayout({ children }: PageLayoutProps) {
     <SidebarContext.Provider
       value={{ open: sidebarOpen, setOpen: setSidebarOpen }}
     >
-      <div className="flex h-screen bg-background overflow-hidden page-background">
+      <div className="flex h-screen bg-background overflow-hidden page-background bg-default">
         <Sidebar open={sidebarOpen} onOpenChange={setSidebarOpen} />
         <main className="flex-1 overflow-auto overflow-x-hidden page-content">
-          <div className="p-6 md:p-8 lg:p-10 space-y-6 md:space-y-8 max-w-full">
+          <div className="p-3 md:p-8 lg:p-10 space-y-4 md:space-y-8 max-w-full">
             {children}
           </div>
         </main>

components/providers/background-provider.tsx

@@ -0,0 +1,89 @@
+"use client";
+
+import { useEffect } from "react";
+
+interface BackgroundSettings {
+  type: string;
+  customImageUrl?: string;
+}
+
+export function BackgroundProvider() {
+  useEffect(() => {
+    const applyBackground = () => {
+      try {
+        const pageBackground = document.querySelector(
+          ".page-background",
+        ) as HTMLElement;
+        if (!pageBackground) return;
+
+        const stored = localStorage.getItem("background-settings");
+        const settings: BackgroundSettings = stored
+          ? JSON.parse(stored)
+          : { type: "default" };
+
+        // Retirer toutes les classes de fond
+        pageBackground.classList.remove(
+          "bg-default",
+          "bg-gradient-blue",
+          "bg-gradient-purple",
+          "bg-gradient-green",
+          "bg-gradient-orange",
+          "bg-solid-light",
+          "bg-solid-dark",
+          "bg-custom-image",
+        );
+
+        const root = document.documentElement;
+
+        if (settings.type === "custom-image" && settings.customImageUrl) {
+          pageBackground.classList.add("bg-custom-image");
+          root.style.setProperty(
+            "--custom-background-image",
+            `url(${settings.customImageUrl})`,
+          );
+        } else {
+          pageBackground.classList.add(`bg-${settings.type || "default"}`);
+          root.style.removeProperty("--custom-background-image");
+        }
+      } catch (error) {
+        console.error("Error applying background:", error);
+      }
+    };
+
+    // Appliquer immédiatement
+    applyBackground();
+
+    // Observer pour les changements de DOM (si le page-background est ajouté plus tard)
+    const observer = new MutationObserver(() => {
+      applyBackground();
+    });
+
+    observer.observe(document.body, {
+      childList: true,
+      subtree: true,
+    });
+
+    // Écouter les changements dans localStorage (autres onglets)
+    const handleStorageChange = (e: StorageEvent) => {
+      if (e.key === "background-settings") {
+        applyBackground();
+      }
+    };
+
+    // Écouter les événements personnalisés (même onglet)
+    const handleBackgroundChanged = () => {
+      applyBackground();
+    };
+
+    window.addEventListener("storage", handleStorageChange);
+    window.addEventListener("background-changed", handleBackgroundChanged);
+
+    return () => {
+      observer.disconnect();
+      window.removeEventListener("storage", handleStorageChange);
+      window.removeEventListener("background-changed", handleBackgroundChanged);
+    };
+  }, []);
+
+  return null;
+}

components/rules/rule-create-dialog.tsx

@@ -133,7 +133,7 @@ export function RuleCreateDialog({
               catégorisées.
             </p>
             {existingCategory && (
-              <div className="flex items-center gap-2 text-xs text-amber-600 dark:text-amber-400">
+              <div className="flex items-center gap-2 text-xs text-warning">
                 <AlertCircle className="h-3 w-3" />
                 <span>
                   Ce mot-clé existe déjà dans &quot;{existingCategory.name}

components/rules/rule-group-card.tsx

@@ -5,6 +5,7 @@ import { ChevronDown, ChevronRight, Plus, Tag } from "lucide-react";
 import { Button } from "@/components/ui/button";
 import { Badge } from "@/components/ui/badge";
 import { CategoryCombobox } from "@/components/ui/category-combobox";
+import { Card } from "@/components/ui/card";
 import { useIsMobile } from "@/hooks/use-mobile";
 import { cn } from "@/lib/utils";
 import type { Transaction, Category } from "@/lib/types";
@@ -54,10 +55,10 @@ export function RuleGroupCard({
   };
 
   return (
-    <div className="border border-border rounded-lg bg-card overflow-hidden">
+    <Card className="card-hover overflow-hidden">
       {/* Header */}
       <div
-        className="flex flex-col md:flex-row md:items-center gap-2 md:gap-3 p-3 md:p-4 cursor-pointer hover:bg-accent/5 transition-colors"
+        className="flex flex-col md:flex-row md:items-center gap-2 md:gap-3 p-3 md:p-4 cursor-pointer hover:bg-accent/5"
         onClick={onToggleExpand}
       >
         <div className="flex items-center gap-2 md:gap-3 flex-1 min-w-0">
@@ -247,6 +248,6 @@ export function RuleGroupCard({
           )}
         </div>
       )}
-    </div>
+    </Card>
   );
 }

components/settings/background-card.tsx

@@ -0,0 +1,326 @@
+"use client";
+
+import { useState, useEffect, useMemo } from "react";
+import {
+  Card,
+  CardContent,
+  CardDescription,
+  CardHeader,
+  CardTitle,
+} from "@/components/ui/card";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Label } from "@/components/ui/label";
+import { RadioGroup, RadioGroupItem } from "@/components/ui/radio-group";
+import { Image, X } from "lucide-react";
+import { useLocalStorage } from "@/hooks/use-local-storage";
+import { cn } from "@/lib/utils";
+
+type BackgroundType =
+  | "default"
+  | "gradient-blue"
+  | "gradient-purple"
+  | "gradient-green"
+  | "gradient-orange"
+  | "solid-light"
+  | "solid-dark"
+  | "custom-image";
+
+interface BackgroundSettings {
+  type: BackgroundType;
+  customImageUrl?: string;
+}
+
+const DEFAULT_BACKGROUNDS: Array<{
+  value: BackgroundType;
+  label: string;
+  preview: string;
+  description?: string;
+}> = [
+  {
+    value: "default",
+    label: "Neutre",
+    preview:
+      "linear-gradient(135deg, oklch(0.985 0 0) 0%, oklch(0.97 0.005 260) 50%, oklch(0.985 0 0) 100%)",
+    description: "Fond neutre et élégant",
+  },
+  {
+    value: "gradient-blue",
+    label: "Océan",
+    preview:
+      "linear-gradient(135deg, oklch(0.95 0.03 230) 0%, oklch(0.88 0.08 225) 50%, oklch(0.78 0.12 220) 100%)",
+    description: "Dégradé bleu apaisant",
+  },
+  {
+    value: "gradient-purple",
+    label: "Améthyste",
+    preview:
+      "linear-gradient(135deg, oklch(0.95 0.04 300) 0%, oklch(0.88 0.1 295) 50%, oklch(0.78 0.15 290) 100%)",
+    description: "Dégradé violet sophistiqué",
+  },
+  {
+    value: "gradient-green",
+    label: "Forêt",
+    preview:
+      "linear-gradient(135deg, oklch(0.95 0.04 160) 0%, oklch(0.88 0.1 155) 50%, oklch(0.78 0.14 150) 100%)",
+    description: "Dégradé vert naturel",
+  },
+  {
+    value: "gradient-orange",
+    label: "Aurore",
+    preview:
+      "linear-gradient(135deg, oklch(0.97 0.03 80) 0%, oklch(0.92 0.08 60) 50%, oklch(0.85 0.14 45) 100%)",
+    description: "Dégradé orange chaleureux",
+  },
+  {
+    value: "solid-light",
+    label: "Lumineux",
+    preview:
+      "linear-gradient(135deg, oklch(1 0 0) 0%, oklch(0.98 0.005 260) 100%)",
+    description: "Fond blanc épuré",
+  },
+  {
+    value: "solid-dark",
+    label: "Minuit",
+    preview:
+      "linear-gradient(135deg, oklch(0.18 0.02 260) 0%, oklch(0.08 0.015 250) 100%)",
+    description: "Fond sombre immersif",
+  },
+];
+
+export function BackgroundCard() {
+  const [backgroundSettings, setBackgroundSettings] =
+    useLocalStorage<BackgroundSettings>("background-settings", {
+      type: "default",
+    });
+
+  const currentSettings = useMemo<BackgroundSettings>(
+    () => backgroundSettings || { type: "default" },
+    [backgroundSettings],
+  );
+
+  const [customImageUrl, setCustomImageUrl] = useState(
+    currentSettings.customImageUrl || "",
+  );
+  const [showCustomInput, setShowCustomInput] = useState(
+    currentSettings.type === "custom-image",
+  );
+
+  // Synchroniser customImageUrl avec les settings
+  useEffect(() => {
+    if (
+      currentSettings.type === "custom-image" &&
+      currentSettings.customImageUrl
+    ) {
+      setCustomImageUrl(currentSettings.customImageUrl);
+    }
+  }, [currentSettings]);
+
+  const applyBackground = (settings: BackgroundSettings) => {
+    const root = document.documentElement;
+    const pageBackground = document.querySelector(
+      ".page-background",
+    ) as HTMLElement;
+
+    if (!pageBackground) return;
+
+    // Retirer toutes les classes de fond
+    pageBackground.classList.remove(
+      "bg-default",
+      "bg-gradient-blue",
+      "bg-gradient-purple",
+      "bg-gradient-green",
+      "bg-gradient-orange",
+      "bg-solid-light",
+      "bg-solid-dark",
+      "bg-custom-image",
+    );
+
+    if (settings.type === "custom-image" && settings.customImageUrl) {
+      pageBackground.classList.add("bg-custom-image");
+      root.style.setProperty(
+        "--custom-background-image",
+        `url(${settings.customImageUrl})`,
+      );
+    } else {
+      pageBackground.classList.add(`bg-${settings.type || "default"}`);
+      root.style.removeProperty("--custom-background-image");
+    }
+
+    // Déclencher un événement personnalisé pour notifier les autres composants
+    window.dispatchEvent(
+      new CustomEvent("background-changed", { detail: settings }),
+    );
+  };
+
+  const handleBackgroundChange = (type: BackgroundType) => {
+    if (type === "custom-image") {
+      setShowCustomInput(true);
+      if (customImageUrl.trim()) {
+        const newSettings: BackgroundSettings = {
+          type,
+          customImageUrl: customImageUrl.trim(),
+        };
+        setBackgroundSettings(newSettings);
+        applyBackground(newSettings);
+      } else {
+        const newSettings: BackgroundSettings = { type };
+        setBackgroundSettings(newSettings);
+      }
+    } else {
+      setShowCustomInput(false);
+      const newSettings: BackgroundSettings = { type };
+      setBackgroundSettings(newSettings);
+      applyBackground(newSettings);
+    }
+  };
+
+  const handleCustomImageSubmit = () => {
+    if (customImageUrl.trim()) {
+      const newSettings: BackgroundSettings = {
+        type: "custom-image",
+        customImageUrl: customImageUrl.trim(),
+      };
+      setBackgroundSettings(newSettings);
+      applyBackground(newSettings);
+    }
+  };
+
+  const handleRemoveCustomImage = () => {
+    setCustomImageUrl("");
+    setShowCustomInput(false);
+    const newSettings: BackgroundSettings = { type: "default" };
+    setBackgroundSettings(newSettings);
+    applyBackground(newSettings);
+  };
+
+  // Appliquer le fond au chargement et quand il change
+  useEffect(() => {
+    if (typeof window !== "undefined") {
+      applyBackground(currentSettings);
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [currentSettings.type, currentSettings.customImageUrl]);
+
+  return (
+    <Card className="card-hover">
+      <CardHeader>
+        <CardTitle className="flex items-center gap-2">
+          <Image className="w-5 h-5" />
+          Fond du site
+        </CardTitle>
+        <CardDescription>
+          Personnalisez l'apparence du fond de l'application
+        </CardDescription>
+      </CardHeader>
+      <CardContent className="space-y-6">
+        <RadioGroup
+          value={currentSettings.type}
+          onValueChange={(value) =>
+            handleBackgroundChange(value as BackgroundType)
+          }
+        >
+          <div className="grid grid-cols-2 md:grid-cols-3 gap-3">
+            {DEFAULT_BACKGROUNDS.map((bg) => (
+              <label
+                key={bg.value}
+                htmlFor={`bg-${bg.value}`}
+                className={cn(
+                  "relative flex flex-col items-center justify-center p-4 rounded-lg border-2 cursor-pointer transition-all",
+                  currentSettings.type === bg.value
+                    ? "border-primary bg-primary/5"
+                    : "border-border hover:border-primary/50",
+                )}
+              >
+                <RadioGroupItem
+                  value={bg.value}
+                  id={`bg-${bg.value}`}
+                  className="sr-only"
+                />
+                <div
+                  className="w-full h-16 rounded-md mb-2 border border-border/50"
+                  style={{ background: bg.preview }}
+                />
+                <span className="text-xs font-medium text-center">
+                  {bg.label}
+                </span>
+              </label>
+            ))}
+            <label
+              htmlFor="bg-custom-image"
+              className={cn(
+                "relative flex flex-col items-center justify-center p-4 rounded-lg border-2 cursor-pointer transition-all",
+                currentSettings.type === "custom-image"
+                  ? "border-primary bg-primary/5"
+                  : "border-border hover:border-primary/50",
+              )}
+            >
+              <RadioGroupItem
+                value="custom-image"
+                id="bg-custom-image"
+                className="sr-only"
+              />
+              <div className="w-full h-16 rounded-md mb-2 border border-border/50 bg-muted flex items-center justify-center">
+                <Image className="w-6 h-6 text-muted-foreground" />
+              </div>
+              <span className="text-xs font-medium text-center">
+                Image personnalisée
+              </span>
+            </label>
+          </div>
+        </RadioGroup>
+
+        {showCustomInput && (
+          <div className="space-y-3 p-4 rounded-lg bg-muted/30 border border-border">
+            <div className="space-y-2">
+              <Label htmlFor="custom-image-url">URL de l'image</Label>
+              <div className="flex gap-2">
+                <Input
+                  id="custom-image-url"
+                  type="url"
+                  placeholder="https://example.com/image.jpg"
+                  value={customImageUrl}
+                  onChange={(e) => setCustomImageUrl(e.target.value)}
+                  onKeyDown={(e) => {
+                    if (e.key === "Enter") {
+                      handleCustomImageSubmit();
+                    }
+                  }}
+                />
+                {customImageUrl && (
+                  <Button
+                    variant="outline"
+                    size="icon"
+                    onClick={handleRemoveCustomImage}
+                  >
+                    <X className="w-4 h-4" />
+                  </Button>
+                )}
+              </div>
+            </div>
+            <Button
+              onClick={handleCustomImageSubmit}
+              disabled={!customImageUrl.trim()}
+            >
+              Appliquer l'image
+            </Button>
+            {currentSettings.type === "custom-image" &&
+              currentSettings.customImageUrl && (
+                <div className="mt-3">
+                  <div className="text-xs text-muted-foreground mb-2">
+                    Aperçu :
+                  </div>
+                  <div
+                    className="w-full h-32 rounded-md border border-border bg-cover bg-center bg-no-repeat"
+                    style={{
+                      backgroundImage: `url(${currentSettings.customImageUrl})`,
+                    }}
+                  />
+                </div>
+              )}
+          </div>
+        )}
+      </CardContent>
+    </Card>
+  );
+}

components/settings/danger-zone-card.tsx

@@ -59,9 +59,9 @@ export function DangerZoneCard({
     }
   };
   return (
-    <Card className="border-red-200">
+    <Card className="border-destructive/30 card-hover">
       <CardHeader>
-        <CardTitle className="flex items-center gap-2 text-red-600">
+        <CardTitle className="flex items-center gap-2 text-destructive">
           <Trash2 className="w-5 h-5" />
           Zone dangereuse
         </CardTitle>

components/settings/index.ts

@@ -3,3 +3,6 @@ export { DangerZoneCard } from "./danger-zone-card";
 export { OFXInfoCard } from "./ofx-info-card";
 export { BackupCard } from "./backup-card";
 export { PasswordCard } from "./password-card";
+export { ReconcileDateRangeCard } from "./reconcile-date-range-card";
+export { BackgroundCard } from "./background-card";
+export { ThemeCard } from "./theme-card";

components/settings/reconcile-date-range-card.tsx

@@ -0,0 +1,263 @@
+"use client";
+
+import { useState } from "react";
+import { Button } from "@/components/ui/button";
+import {
+  Card,
+  CardContent,
+  CardDescription,
+  CardHeader,
+  CardTitle,
+} from "@/components/ui/card";
+import {
+  AlertDialog,
+  AlertDialogAction,
+  AlertDialogCancel,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogTitle,
+  AlertDialogTrigger,
+} from "@/components/ui/alert-dialog";
+import {
+  Popover,
+  PopoverContent,
+  PopoverTrigger,
+} from "@/components/ui/popover";
+import { Calendar as CalendarComponent } from "@/components/ui/calendar";
+import { CheckCircle2, Calendar } from "lucide-react";
+import { format } from "date-fns";
+import { fr } from "date-fns/locale";
+import { useQueryClient } from "@tanstack/react-query";
+import { invalidateAllTransactionQueries } from "@/lib/cache-utils";
+
+export function ReconcileDateRangeCard() {
+  const [startDate, setStartDate] = useState<Date | undefined>(undefined);
+  const [endDate, setEndDate] = useState<Date | undefined>(undefined);
+  const [isDatePickerOpen, setIsDatePickerOpen] = useState(false);
+  const [isReconciling, setIsReconciling] = useState(false);
+  const queryClient = useQueryClient();
+
+  const handleReconcile = async () => {
+    if (!endDate) return;
+
+    setIsReconciling(true);
+    try {
+      const endDateStr = format(endDate, "yyyy-MM-dd");
+      const body: { endDate: string; startDate?: string; reconciled: boolean } =
+        {
+          endDate: endDateStr,
+          reconciled: true,
+        };
+
+      if (startDate) {
+        body.startDate = format(startDate, "yyyy-MM-dd");
+      }
+
+      const response = await fetch(
+        "/api/banking/transactions/reconcile-date-range",
+        {
+          method: "POST",
+          headers: { "Content-Type": "application/json" },
+          body: JSON.stringify(body),
+        },
+      );
+
+      if (!response.ok) {
+        const error = await response.json();
+        throw new Error(error.error || "Erreur lors du pointage");
+      }
+
+      const result = await response.json();
+
+      // Invalider toutes les requêtes de transactions pour rafraîchir les données
+      invalidateAllTransactionQueries(queryClient);
+
+      alert(
+        `${result.updatedCount} opération${result.updatedCount > 1 ? "s" : ""} pointée${result.updatedCount > 1 ? "s" : ""}`,
+      );
+
+      // Réinitialiser les dates
+      setStartDate(undefined);
+      setEndDate(undefined);
+      setIsDatePickerOpen(false);
+    } catch (error) {
+      console.error(error);
+      alert(
+        error instanceof Error
+          ? error.message
+          : "Erreur lors du pointage des opérations",
+      );
+    } finally {
+      setIsReconciling(false);
+    }
+  };
+
+  const canReconcile = endDate && (!startDate || startDate <= endDate);
+
+  return (
+    <Card>
+      <CardHeader>
+        <CardTitle className="flex items-center gap-2">
+          <CheckCircle2 className="w-5 h-5" />
+          Pointer les opérations par date
+        </CardTitle>
+        <CardDescription>
+          Marquer toutes les opérations pointées dans une plage de dates
+        </CardDescription>
+      </CardHeader>
+      <CardContent className="space-y-4">
+        <Popover open={isDatePickerOpen} onOpenChange={setIsDatePickerOpen}>
+          <PopoverTrigger asChild>
+            <Button
+              variant="outline"
+              className="w-full justify-start text-left font-normal"
+            >
+              <Calendar className="mr-2 h-4 w-4" />
+              {endDate ? (
+                <>
+                  {startDate ? (
+                    <>
+                      {format(startDate, "PPP", { locale: fr })} -{" "}
+                      {format(endDate, "PPP", { locale: fr })}
+                    </>
+                  ) : (
+                    <>Jusqu'au {format(endDate, "PPP", { locale: fr })}</>
+                  )}
+                </>
+              ) : (
+                <span>Sélectionner une date de fin</span>
+              )}
+            </Button>
+          </PopoverTrigger>
+          <PopoverContent className="w-auto p-0" align="start">
+            <div className="p-3 flex gap-4">
+              <div className="space-y-2">
+                <label className="text-sm font-medium">
+                  Date de début{" "}
+                  <span className="text-xs text-muted-foreground">
+                    (optionnel)
+                  </span>
+                </label>
+                <div className="scale-90 origin-top-left">
+                  <CalendarComponent
+                    mode="single"
+                    selected={startDate}
+                    onSelect={(date) => {
+                      setStartDate(date);
+                      if (date && endDate && date > endDate) {
+                        setEndDate(undefined);
+                      }
+                    }}
+                    locale={fr}
+                  />
+                </div>
+                {startDate && (
+                  <Button
+                    variant="ghost"
+                    size="sm"
+                    className="w-full text-xs"
+                    onClick={() => setStartDate(undefined)}
+                  >
+                    Supprimer
+                  </Button>
+                )}
+              </div>
+              <div className="space-y-2">
+                <label className="text-sm font-medium">Date de fin</label>
+                <div className="scale-90 origin-top-left">
+                  <CalendarComponent
+                    mode="single"
+                    selected={endDate}
+                    onSelect={(date) => {
+                      if (date && startDate && date < startDate) {
+                        return;
+                      }
+                      setEndDate(date);
+                      if (date && startDate) {
+                        setIsDatePickerOpen(false);
+                      }
+                    }}
+                    disabled={(date) => {
+                      if (startDate) {
+                        return date < startDate;
+                      }
+                      return false;
+                    }}
+                    locale={fr}
+                  />
+                </div>
+              </div>
+            </div>
+            {endDate && (
+              <div className="px-3 pb-3 text-sm text-muted-foreground">
+                {startDate ? (
+                  <>
+                    {format(startDate, "PPP", { locale: fr })} -{" "}
+                    {format(endDate, "PPP", { locale: fr })}
+                  </>
+                ) : (
+                  <>Jusqu'au {format(endDate, "PPP", { locale: fr })}</>
+                )}
+              </div>
+            )}
+          </PopoverContent>
+        </Popover>
+
+        <AlertDialog>
+          <AlertDialogTrigger asChild>
+            <Button
+              className="w-full"
+              disabled={!canReconcile || isReconciling}
+            >
+              <CheckCircle2 className="w-4 h-4 mr-2" />
+              Pointer les opérations
+              {isReconciling && (
+                <span className="ml-auto text-xs text-muted-foreground">
+                  En cours...
+                </span>
+              )}
+            </Button>
+          </AlertDialogTrigger>
+          <AlertDialogContent>
+            <AlertDialogHeader>
+              <AlertDialogTitle>
+                Pointer toutes les opérations ?
+              </AlertDialogTitle>
+              <AlertDialogDescription>
+                {endDate && (
+                  <>
+                    Cette action va marquer toutes les opérations non pointées{" "}
+                    {startDate ? (
+                      <>
+                        entre {format(startDate, "PPP", { locale: fr })} et{" "}
+                        {format(endDate, "PPP", { locale: fr })}
+                      </>
+                    ) : (
+                      <>jusqu'au {format(endDate, "PPP", { locale: fr })}</>
+                    )}{" "}
+                    comme pointées. Seules les opérations non encore pointées
+                    seront modifiées.
+                  </>
+                )}
+              </AlertDialogDescription>
+            </AlertDialogHeader>
+            <AlertDialogFooter>
+              <AlertDialogCancel disabled={isReconciling}>
+                Annuler
+              </AlertDialogCancel>
+              <AlertDialogAction
+                onClick={handleReconcile}
+                disabled={isReconciling}
+                className="bg-primary hover:bg-primary/90"
+              >
+                {isReconciling ? "Pointage..." : "Pointer"}
+              </AlertDialogAction>
+            </AlertDialogFooter>
+          </AlertDialogContent>
+        </AlertDialog>
+      </CardContent>
+    </Card>
+  );
+}

components/settings/theme-card.tsx

@@ -0,0 +1,93 @@
+"use client";
+
+import { useTheme } from "next-themes";
+import { useEffect, useState } from "react";
+import {
+  Card,
+  CardContent,
+  CardDescription,
+  CardHeader,
+  CardTitle,
+} from "@/components/ui/card";
+import { RadioGroup, RadioGroupItem } from "@/components/ui/radio-group";
+import { Moon, Sun } from "lucide-react";
+import { cn } from "@/lib/utils";
+
+const THEMES = [
+  {
+    value: "light",
+    label: "Clair",
+    icon: Sun,
+    description: "Thème clair",
+  },
+  {
+    value: "dark",
+    label: "Sombre",
+    icon: Moon,
+    description: "Thème sombre",
+  },
+] as const;
+
+export function ThemeCard() {
+  const { theme, setTheme } = useTheme();
+  const [mounted, setMounted] = useState(false);
+
+  // Éviter le flash de contenu non stylé
+  useEffect(() => {
+    setMounted(true);
+  }, []);
+
+  if (!mounted) {
+    return null;
+  }
+
+  const currentTheme = theme || "light";
+
+  return (
+    <Card className="card-hover">
+      <CardHeader>
+        <CardTitle className="flex items-center gap-2">
+          <Moon className="w-5 h-5" />
+          Thème
+        </CardTitle>
+        <CardDescription>
+          Choisissez le thème d'affichage de l'application
+        </CardDescription>
+      </CardHeader>
+      <CardContent>
+        <RadioGroup
+          value={currentTheme}
+          onValueChange={(value) => setTheme(value)}
+        >
+          <div className="grid grid-cols-2 gap-3">
+            {THEMES.map((themeOption) => {
+              const Icon = themeOption.icon;
+              return (
+                <label
+                  key={themeOption.value}
+                  htmlFor={`theme-${themeOption.value}`}
+                  className={cn(
+                    "relative flex flex-col items-center justify-center p-4 rounded-lg border-2 cursor-pointer transition-all",
+                    currentTheme === themeOption.value
+                      ? "border-primary bg-primary/5"
+                      : "border-border hover:border-primary/50",
+                  )}
+                >
+                  <RadioGroupItem
+                    value={themeOption.value}
+                    id={`theme-${themeOption.value}`}
+                    className="sr-only"
+                  />
+                  <Icon className="w-6 h-6 mb-2" />
+                  <span className="text-sm font-medium">
+                    {themeOption.label}
+                  </span>
+                </label>
+              );
+            })}
+          </div>
+        </RadioGroup>
+      </CardContent>
+    </Card>
+  );
+}

components/statistics/balance-line-chart.tsx

@@ -57,7 +57,7 @@ export function BalanceLineChart({
   };
 
   return (
-    <Card>
+    <Card className="card-hover">
       <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
         <CardTitle>Évolution du solde</CardTitle>
         <div className="flex gap-1">
@@ -103,11 +103,38 @@ export function BalanceLineChart({
                   tick={{ fill: "var(--muted-foreground)" }}
                 />
                 <Tooltip
-                  formatter={(value: number) => formatCurrency(value)}
+                  content={({ active, payload }) => {
-                  contentStyle={{
+                    if (!active || !payload?.length) return null;
-                    backgroundColor: "var(--card)",
+                    return (
+                      <div
+                        className="px-3 py-2 rounded-lg shadow-lg"
+                        style={{
+                          backgroundColor: "var(--popover)",
                           border: "1px solid var(--border)",
-                    borderRadius: "8px",
+                          opacity: 1,
+                          backdropFilter: "blur(8px)",
+                        }}
+                      >
+                        {payload.map((entry, index) => (
+                          <div
+                            key={`tooltip-${index}`}
+                            className="flex items-center gap-2"
+                            style={{ color: entry.color }}
+                          >
+                            <div
+                              className="w-3 h-3 rounded-full"
+                              style={{ backgroundColor: entry.color }}
+                            />
+                            <span className="text-sm font-medium">
+                              {entry.name}:
+                            </span>
+                            <span className="text-sm font-semibold">
+                              {formatCurrency(entry.value as number)}
+                            </span>
+                          </div>
+                        ))}
+                      </div>
+                    );
                   }}
                 />
                 {mode === "aggregated" ? (

components/statistics/category-bar-chart.tsx

@@ -1,5 +1,6 @@
 "use client";
 
+import Link from "next/link";
 import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
 import { CategoryIcon } from "@/components/ui/category-icon";
 import {
@@ -29,8 +30,58 @@ export function CategoryBarChart({
 }: CategoryBarChartProps) {
   const displayData = data.slice(0, maxItems).reverse(); // Reverse pour avoir le plus grand en haut
 
+  // Custom tick component for clickable labels
+  const CustomYAxisTick = ({
+    x,
+    y,
+    payload,
+  }: {
+    x: number;
+    y: number;
+    payload: { value: string };
+  }) => {
+    const categoryName = payload.value;
+    const item = displayData.find((d) => d.name === categoryName);
+
+    if (!item) {
       return (
-    <Card>
+        <text
+          x={x}
+          y={y}
+          fill="var(--muted-foreground)"
+          fontSize={12}
+          textAnchor="end"
+          dominantBaseline="middle"
+        >
+          {categoryName}
+        </text>
+      );
+    }
+
+    const href =
+      item.categoryId === null || item.categoryId === undefined
+        ? "/transactions?includeUncategorized=true"
+        : `/transactions?categoryIds=${item.categoryId}`;
+
+    return (
+      <Link href={href}>
+        <text
+          x={x}
+          y={y}
+          fill="var(--muted-foreground)"
+          fontSize={12}
+          className="hover:opacity-80 transition-opacity cursor-pointer"
+          textAnchor="end"
+          dominantBaseline="middle"
+        >
+          {categoryName}
+        </text>
+      </Link>
+    );
+  };
+
+  return (
+    <Card className="card-hover">
       <CardHeader>
         <CardTitle>{title}</CardTitle>
       </CardHeader>
@@ -60,11 +111,7 @@ export function CategoryBarChart({
                   dataKey="name"
                   className="text-xs"
                   width={90}
-                  tick={{ fill: "var(--muted-foreground)" }}
+                  tick={CustomYAxisTick}
-                  tickFormatter={(value) => {
-                    const item = displayData.find((d) => d.name === value);
-                    return item ? value : "";
-                  }}
                 />
                 <Tooltip
                   content={({ active, payload }) => {
@@ -115,3 +162,5 @@ export function CategoryBarChart({
     </Card>
   );
 }
+
+// Find the Card component in this file

components/statistics/category-pie-chart.tsx

@@ -1,6 +1,7 @@
 "use client";
 
 import { useState } from "react";
+import Link from "next/link";
 import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
 import { Button } from "@/components/ui/button";
 import { CategoryIcon } from "@/components/ui/category-icon";
@@ -13,7 +14,8 @@ export interface CategoryChartData {
   value: number;
   color: string;
   icon: string;
-  [key: string]: string | number;
+  categoryId?: string | null; // null for "Non catégorisé"
+  [key: string]: string | number | null | undefined;
 }
 
 interface CategoryPieChartProps {
@@ -49,7 +51,7 @@ export function CategoryPieChart({
   const currentData = isExpanded ? baseData : baseData.slice(0, maxItems);
 
   return (
-    <Card>
+    <Card className="card-hover">
       <CardHeader className="flex flex-col md:flex-row md:items-center md:justify-between space-y-2 md:space-y-0 pb-2">
         <CardTitle className="text-sm md:text-base">{title}</CardTitle>
         <div className="flex flex-col md:flex-row gap-2 w-full md:w-auto">
@@ -162,10 +164,17 @@ export function CategoryPieChart({
                 Légende
               </div>
               <div className="max-h-[300px] overflow-y-auto overflow-x-hidden pr-2 space-y-2">
-                {currentData.map((item, index) => (
+                {currentData.map((item, index) => {
-                  <div
+                  const href =
+                    item.categoryId === null || item.categoryId === undefined
+                      ? "/transactions?includeUncategorized=true"
+                      : `/transactions?categoryIds=${item.categoryId}`;
+
+                  return (
+                    <Link
                       key={`legend-${index}`}
-                    className="flex items-center gap-2 text-sm"
+                      href={href}
+                      className="flex items-center gap-2 text-sm hover:opacity-80 transition-opacity cursor-pointer"
                     >
                       <CategoryIcon
                         icon={item.icon}
@@ -178,8 +187,9 @@ export function CategoryPieChart({
                       <span className="text-foreground font-semibold tabular-nums whitespace-nowrap">
                         {formatCurrency(item.value)}
                       </span>
-                  </div>
+                    </Link>
-                ))}
+                  );
+                })}
               </div>
             </div>
           </div>

components/statistics/category-trend-chart.tsx

@@ -96,7 +96,7 @@ export function CategoryTrendChart({
   };
 
   return (
-    <Card>
+    <Card className="card-hover">
       <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
         <CardTitle>Évolution des dépenses par catégorie</CardTitle>
         <div className="flex gap-2">
@@ -166,11 +166,67 @@ export function CategoryTrendChart({
                   tick={{ fill: "var(--muted-foreground)" }}
                 />
                 <Tooltip
-                  formatter={(value: number) => formatCurrency(value)}
+                  content={({ active, payload, label }) => {
-                  contentStyle={{
+                    if (!active || !payload?.length) return null;
-                    backgroundColor: "var(--card)",
+                    
+                    // Filtrer seulement les catégories qui ont une valeur
+                    const entriesWithValue = payload.filter(
+                      (entry) => entry.value !== undefined && entry.value !== null && Number(entry.value) !== 0
+                    );
+
+                    if (entriesWithValue.length === 0) return null;
+
+                    return (
+                      <div
+                        className="px-2.5 py-2 rounded-lg shadow-lg"
+                        style={{
+                          backgroundColor: "var(--background)",
                           border: "1px solid var(--border)",
-                    borderRadius: "8px",
+                          opacity: 1,
+                        }}
+                      >
+                        <div className="text-xs font-medium text-foreground mb-1.5 pb-1 border-b border-border/50">
+                          {label}
+                        </div>
+                        <div className="space-y-1">
+                          {entriesWithValue.map((entry, index) => {
+                            const categoryId = entry.dataKey as string;
+                            const categoryInfo = getCategoryInfo(categoryId);
+                            const categoryName = getCategoryName(categoryId);
+                            const value = entry.value as number;
+
+                            return (
+                              <div
+                                key={`tooltip-${categoryId}-${index}`}
+                                className="flex items-center gap-1.5"
+                              >
+                                {categoryInfo ? (
+                                  <CategoryIcon
+                                    icon={categoryInfo.icon}
+                                    color={categoryInfo.color}
+                                    size={12}
+                                  />
+                                ) : (
+                                  <div
+                                    className="w-3 h-3 rounded-full shrink-0"
+                                    style={{ backgroundColor: "#94a3b8" }}
+                                  />
+                                )}
+                                <span className="text-xs text-foreground flex-1 min-w-0 truncate">
+                                  {categoryName}
+                                </span>
+                                <span className="text-xs font-semibold text-foreground tabular-nums whitespace-nowrap">
+                                  {formatCurrency(value)}
+                                </span>
+                              </div>
+                            );
+                          })}
+                        </div>
+                      </div>
+                    );
+                  }}
+                  wrapperStyle={{
+                    opacity: 1,
                   }}
                 />
                 <Legend
@@ -179,7 +235,8 @@ export function CategoryTrendChart({
                     const allCategoryIds = Array.from(categoryTotals.keys());
 
                     return (
-                      <div className="flex flex-wrap justify-center gap-x-4 gap-y-1 mt-2">
+                      <div className="max-h-[60px] overflow-y-auto overflow-x-hidden pr-2 mt-2">
+                        <div className="flex flex-wrap justify-center gap-x-4 gap-y-1">
                           {allCategoryIds.map((categoryId) => {
                           const categoryInfo = getCategoryInfo(categoryId);
                           const categoryName = getCategoryName(categoryId);
@@ -234,6 +291,7 @@ export function CategoryTrendChart({
                           );
                         })}
                         </div>
+                      </div>
                     );
                   }}
                 />
@@ -259,6 +317,7 @@ export function CategoryTrendChart({
                       strokeWidth={isSelected ? 2 : 1}
                       strokeOpacity={isSelected ? 1 : 0.3}
                       dot={false}
+                      connectNulls={true}
                       hide={!isSelected && selectedCategories.length > 0}
                     />
                   );

components/statistics/income-expense-trend-chart.tsx

@@ -28,7 +28,7 @@ export function IncomeExpenseTrendChart({
   formatCurrency,
 }: IncomeExpenseTrendChartProps) {
   return (
-    <Card>
+    <Card className="card-hover">
       <CardHeader>
         <CardTitle>Tendances revenus et dépenses</CardTitle>
       </CardHeader>

components/statistics/monthly-chart.tsx

@@ -1,9 +1,12 @@
 "use client";
 
+import { useState } from "react";
 import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
+import { Button } from "@/components/ui/button";
+import { ChevronDown, ChevronUp } from "lucide-react";
 import {
-  BarChart,
+  LineChart,
-  Bar,
+  Line,
   XAxis,
   YAxis,
   CartesianGrid,
@@ -11,6 +14,11 @@ import {
   ResponsiveContainer,
   Legend,
 } from "recharts";
+import {
+  Collapsible,
+  CollapsibleContent,
+  CollapsibleTrigger,
+} from "@/components/ui/collapsible";
 
 interface MonthlyChartData {
   month: string;
@@ -22,30 +30,67 @@ interface MonthlyChartData {
 interface MonthlyChartProps {
   data: MonthlyChartData[];
   formatCurrency: (amount: number) => string;
+  collapsible?: boolean;
+  defaultExpanded?: boolean;
+  showDots?: boolean;
 }
 
-export function MonthlyChart({ data, formatCurrency }: MonthlyChartProps) {
+export function MonthlyChart({
-  return (
+  data,
-    <Card>
+  formatCurrency,
-      <CardHeader>
+  collapsible = false,
-        <CardTitle>Revenus vs Dépenses par mois</CardTitle>
+  defaultExpanded = true,
-      </CardHeader>
+  showDots = true,
-      <CardContent>
+}: MonthlyChartProps) {
+  const [isExpanded, setIsExpanded] = useState(defaultExpanded);
+
+  // Calculer l'intervalle dynamiquement selon le nombre de données
+  const getXAxisInterval = () => {
+    if (data.length <= 6) return 0; // Afficher tous les labels pour 6 mois ou moins
+    if (data.length <= 12) return 1; // Afficher un label sur deux pour 7-12 mois
+    return Math.floor(data.length / 12); // Pour plus de 12 mois, afficher environ 12 labels
+  };
+
+  // Formater les labels de manière plus compacte
+  const formatMonthLabel = (month: string) => {
+    // Format: "janv. 24" -> "janv 24" (enlever le point)
+    return month.replace(".", "");
+  };
+
+  const chartContent = (
+    <>
       {data.length > 0 ? (
-          <div className="h-[300px]">
+        <div className="h-[400px] sm:h-[300px]">
           <ResponsiveContainer width="100%" height="100%">
-              <BarChart data={data}>
+            <LineChart
+              data={data}
+              margin={{
+                left: 0,
+                right: 10,
+                top: 10,
+                bottom: data.length > 6 ? 80 : 60,
+              }}
+            >
               <CartesianGrid strokeDasharray="3 3" className="stroke-muted" />
-                <XAxis dataKey="month" className="text-xs" />
+              <XAxis
+                dataKey="month"
+                className="text-xs"
+                angle={data.length > 6 ? -45 : 0}
+                textAnchor={data.length > 6 ? "end" : "middle"}
+                height={data.length > 6 ? 80 : 60}
+                interval={getXAxisInterval()}
+                tickFormatter={formatMonthLabel}
+                tick={{ fontSize: 11 }}
+              />
               <YAxis
                 className="text-xs"
-                  width={80}
+                width={60}
                 tickFormatter={(v) => {
                   // Format compact pour les grandes valeurs
                   if (Math.abs(v) >= 1000) {
                     return `${(v / 1000).toFixed(1)}k€`;
                   }
-                    return `${Math.round(v)}€`;
+                  return `${v.toFixed(0)}€`;
                 }}
                 tick={{ fill: "var(--muted-foreground)" }}
               />
@@ -59,17 +104,73 @@ export function MonthlyChart({ data, formatCurrency }: MonthlyChartProps) {
                 }}
               />
               <Legend />
-                <Bar dataKey="revenus" fill="#22c55e" radius={[4, 4, 0, 0]} />
+              <Line
-                <Bar dataKey="depenses" fill="#ef4444" radius={[4, 4, 0, 0]} />
+                type="monotone"
-              </BarChart>
+                dataKey="revenus"
+                name="Revenus"
+                stroke="#22c55e"
+                strokeWidth={2}
+                dot={showDots ? { fill: "#22c55e", r: 4 } : false}
+                activeDot={showDots ? { r: 6 } : false}
+              />
+              <Line
+                type="monotone"
+                dataKey="depenses"
+                name="Dépenses"
+                stroke="#ef4444"
+                strokeWidth={2}
+                dot={showDots ? { fill: "#ef4444", r: 4 } : false}
+                activeDot={showDots ? { r: 6 } : false}
+              />
+            </LineChart>
           </ResponsiveContainer>
         </div>
       ) : (
-          <div className="h-[300px] flex items-center justify-center text-muted-foreground">
+        <div className="h-[400px] sm:h-[300px] flex items-center justify-center text-muted-foreground">
           Pas de données pour cette période
         </div>
       )}
-      </CardContent>
+    </>
+  );
+
+  if (!collapsible) {
+    return (
+      <Card className="card-hover">
+        <CardHeader>
+          <CardTitle>Revenus vs Dépenses par mois</CardTitle>
+        </CardHeader>
+        <CardContent>{chartContent}</CardContent>
+      </Card>
+    );
+  }
+
+  return (
+    <Card className="card-hover">
+      <Collapsible open={isExpanded} onOpenChange={setIsExpanded}>
+        <CardHeader className="flex flex-row items-center justify-between space-y-0 py-3 px-6">
+          <CardTitle className="text-base font-semibold">
+            Revenus vs Dépenses par mois
+          </CardTitle>
+          <CollapsibleTrigger asChild>
+            <Button variant="ghost" size="sm" className="h-8">
+              {isExpanded ? (
+                <>
+                  <ChevronUp className="w-4 h-4 mr-1" />
+                  Réduire
+                </>
+              ) : (
+                <>
+                  <ChevronDown className="w-4 h-4 mr-1" />
+                  Afficher
+                </>
+              )}
+            </Button>
+          </CollapsibleTrigger>
+        </CardHeader>
+        <CollapsibleContent>
+          <CardContent className="pt-0">{chartContent}</CardContent>
+        </CollapsibleContent>
+      </Collapsible>
     </Card>
   );
 }

components/statistics/savings-trend-chart.tsx

@@ -31,18 +31,18 @@ export function SavingsTrendChart({
   const isPositive = latestSavings >= 0;
 
   return (
-    <Card>
+    <Card className="card-hover">
       <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
         <CardTitle>Évolution des économies</CardTitle>
         <div className="flex items-center gap-2">
           {isPositive ? (
-            <TrendingUp className="w-4 h-4 text-emerald-600" />
+            <TrendingUp className="w-4 h-4 text-success" />
           ) : (
-            <TrendingDown className="w-4 h-4 text-red-600" />
+            <TrendingDown className="w-4 h-4 text-destructive" />
           )}
           <span
             className={`text-sm font-semibold ${
-              isPositive ? "text-emerald-600" : "text-red-600"
+              isPositive ? "text-success" : "text-destructive"
             }`}
           >
             {formatCurrency(latestSavings)}

components/statistics/stats-summary-cards.tsx

@@ -21,59 +21,86 @@ export function StatsSummaryCards({
 
   return (
     <div className="grid gap-3 md:gap-4 grid-cols-2 md:grid-cols-4">
-      <Card>
+      <Card className="stat-card-textured relative overflow-hidden">
-        <CardHeader className="pb-2">
+        {/* Icône en arrière-plan */}
-          <CardTitle className="text-xs md:text-sm font-medium text-muted-foreground flex items-center gap-1.5 md:gap-2">
+        <div className="absolute bottom-2 right-2 opacity-[0.04] z-0 pointer-events-none">
-            <TrendingUp className="w-3 h-3 md:w-4 md:h-4 text-emerald-600" />
+          <TrendingUp
+            className="h-16 w-16 md:h-20 md:w-20 text-success"
+            strokeWidth={1}
+          />
+        </div>
+        <CardHeader className="pb-3 px-5 pt-5 relative z-10">
+          <CardTitle className="text-[10px] md:text-xs font-semibold text-muted-foreground/80 uppercase tracking-wider">
             Total Revenus
           </CardTitle>
         </CardHeader>
-        <CardContent>
+        <CardContent className="px-5 pb-5 pt-0 relative z-10">
-          <div className="text-lg md:text-2xl font-bold text-emerald-600">
+          <div className="text-xl md:text-2xl font-black text-success tracking-tight">
             {formatCurrency(totalIncome)}
           </div>
         </CardContent>
       </Card>
 
-      <Card>
+      <Card className="stat-card-textured relative overflow-hidden">
-        <CardHeader className="pb-2">
+        {/* Icône en arrière-plan */}
-          <CardTitle className="text-xs md:text-sm font-medium text-muted-foreground flex items-center gap-1.5 md:gap-2">
+        <div className="absolute bottom-2 right-2 opacity-[0.04] z-0 pointer-events-none">
-            <TrendingDown className="w-3 h-3 md:w-4 md:h-4 text-red-600" />
+          <TrendingDown
+            className="h-16 w-16 md:h-20 md:w-20 text-destructive"
+            strokeWidth={1}
+          />
+        </div>
+        <CardHeader className="pb-3 px-5 pt-5 relative z-10">
+          <CardTitle className="text-[10px] md:text-xs font-semibold text-muted-foreground/80 uppercase tracking-wider">
             Total Dépenses
           </CardTitle>
         </CardHeader>
-        <CardContent>
+        <CardContent className="px-5 pb-5 pt-0 relative z-10">
-          <div className="text-lg md:text-2xl font-bold text-red-600">
+          <div className="text-xl md:text-2xl font-black text-destructive tracking-tight">
             {formatCurrency(totalExpenses)}
           </div>
         </CardContent>
       </Card>
 
-      <Card>
+      <Card className="stat-card-textured relative overflow-hidden">
-        <CardHeader className="pb-2">
+        {/* Icône en arrière-plan */}
-          <CardTitle className="text-xs md:text-sm font-medium text-muted-foreground flex items-center gap-1.5 md:gap-2">
+        <div className="absolute bottom-2 right-2 opacity-[0.04] z-0 pointer-events-none">
-            <ArrowRight className="w-3 h-3 md:w-4 md:h-4" />
+          <ArrowRight
+            className="h-16 w-16 md:h-20 md:w-20 text-muted-foreground/40"
+            strokeWidth={1}
+          />
+        </div>
+        <CardHeader className="pb-3 px-5 pt-5 relative z-10">
+          <CardTitle className="text-[10px] md:text-xs font-semibold text-muted-foreground/80 uppercase tracking-wider">
             Moyenne mensuelle
           </CardTitle>
         </CardHeader>
-        <CardContent>
+        <CardContent className="px-5 pb-5 pt-0 relative z-10">
-          <div className="text-lg md:text-2xl font-bold">
+          <div className="text-xl md:text-2xl font-black tracking-tight">
             {formatCurrency(avgMonthlyExpenses)}
           </div>
         </CardContent>
       </Card>
 
-      <Card>
+      <Card className="stat-card-textured relative overflow-hidden">
-        <CardHeader className="pb-2">
+        {/* Icône en arrière-plan */}
-          <CardTitle className="text-xs md:text-sm font-medium text-muted-foreground">
+        <div className="absolute bottom-2 right-2 opacity-[0.04] z-0 pointer-events-none">
+          <div
+            className={cn(
+              "h-16 w-16 md:h-20 md:w-20 rounded-full border-2",
+              savings >= 0 ? "border-success" : "border-destructive",
+            )}
+          />
+        </div>
+        <CardHeader className="pb-3 px-5 pt-5 relative z-10">
+          <CardTitle className="text-[10px] md:text-xs font-semibold text-muted-foreground/80 uppercase tracking-wider">
             Économies
           </CardTitle>
         </CardHeader>
-        <CardContent>
+        <CardContent className="px-5 pb-5 pt-0 relative z-10">
           <div
             className={cn(
-              "text-lg md:text-2xl font-bold",
+              "text-xl md:text-2xl font-black tracking-tight",
-              savings >= 0 ? "text-emerald-600" : "text-red-600",
+              savings >= 0 ? "text-success" : "text-destructive",
             )}
           >
             {formatCurrency(savings)}

components/statistics/top-expenses-list.tsx

@@ -1,42 +1,324 @@
 "use client";
 
+import { useState, useMemo, useEffect } from "react";
+import Link from "next/link";
 import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
 import { CategoryIcon } from "@/components/ui/category-icon";
 import { Badge } from "@/components/ui/badge";
+import { Tabs, TabsList, TabsTrigger, TabsContent } from "@/components/ui/tabs";
+import { Button } from "@/components/ui/button";
 import { useIsMobile } from "@/hooks/use-mobile";
+import {
+  BarChart,
+  Bar,
+  XAxis,
+  YAxis,
+  CartesianGrid,
+  Tooltip,
+  ResponsiveContainer,
+} from "recharts";
+import { List, ListOrdered } from "lucide-react";
 import type { Transaction, Category } from "@/lib/types";
 
 interface TopExpensesListProps {
+  expensesByCategory: Array<{
+    categoryId: string | null;
     expenses: Transaction[];
+  }>;
   categories: Category[];
   formatCurrency: (amount: number) => string;
+  allTransactions?: Transaction[]; // Toutes les transactions filtrées pour calculer toutes les dépenses
 }
 
 export function TopExpensesList({
-  expenses,
+  expensesByCategory,
   categories,
   formatCurrency,
+  allTransactions = [],
 }: TopExpensesListProps) {
   const isMobile = useIsMobile();
+  const [showAllExpenses, setShowAllExpenses] = useState(false);
+
+  // Filtrer les catégories qui ont des dépenses
+  const categoriesWithExpenses = expensesByCategory.filter(
+    (group) => group.expenses.length > 0,
+  );
+
+  const hasExpenses = categoriesWithExpenses.length > 0;
+
+  // Déterminer la valeur par défaut du premier onglet
+  const defaultTabValue =
+    categoriesWithExpenses.length > 0
+      ? categoriesWithExpenses[0].categoryId || "uncategorized"
+      : "";
+
+  const [activeTab, setActiveTab] = useState<string>(() => defaultTabValue);
+
+  // Mettre à jour activeTab quand defaultTabValue change ou si activeTab est invalide
+  useEffect(() => {
+    if (!defaultTabValue) return;
+    
+    // Vérifier si activeTab correspond à une catégorie valide
+    const isValidTab = categoriesWithExpenses.some(
+      (group) => (group.categoryId || "uncategorized") === activeTab,
+    );
+    
+    // Si activeTab est vide ou invalide, utiliser defaultTabValue
+    if (!activeTab || !isValidTab) {
+      setActiveTab(defaultTabValue);
+    }
+  }, [defaultTabValue, categoriesWithExpenses, activeTab]);
+
+  // Calculer les données du graphique pour la catégorie active
+  const chartData = useMemo(() => {
+    if (!hasExpenses) return [];
+
+    // Utiliser activeTab ou defaultTabValue comme fallback
+    const currentTab = activeTab || defaultTabValue;
+    if (!currentTab) return [];
+
+    const activeCategoryGroup = categoriesWithExpenses.find(
+      (group) => (group.categoryId || "uncategorized") === currentTab,
+    );
+
+    if (!activeCategoryGroup) {
+      return [];
+    }
+
+    // Si showAllExpenses est activé et qu'on a toutes les transactions, utiliser toutes les dépenses de la catégorie
+    let expenses: Transaction[];
+    if (showAllExpenses && allTransactions.length > 0) {
+      // Filtrer toutes les transactions pour obtenir toutes les dépenses de cette catégorie parente
+      const categoryId = activeCategoryGroup.categoryId;
+      expenses = allTransactions
+        .filter((t) => t.amount < 0) // Seulement les dépenses
+        .filter((t) => {
+          if (categoryId === null) {
+            return !t.categoryId;
+          }
+          // Vérifier si la transaction appartient à cette catégorie parente ou ses sous-catégories
+          const category = categories.find((c) => c.id === t.categoryId);
+          if (!category) {
+            return false;
+          }
+          const transactionGroupId = category.parentId || category.id;
+          return transactionGroupId === categoryId;
+        });
+    } else {
+      // Utiliser seulement les top 10
+      expenses = activeCategoryGroup.expenses;
+    }
+
+    if (expenses.length === 0) {
+      return [];
+    }
+
+    // Grouper les dépenses par période
+    // Si moins de 30 jours, groupe par jour
+    // Si moins de 6 mois, groupe par semaine
+    // Sinon groupe par mois
+    const sortedExpenses = [...expenses].sort(
+      (a, b) => new Date(a.date).getTime() - new Date(b.date).getTime(),
+    );
+
+    if (sortedExpenses.length === 0) return [];
+
+    const firstDate = new Date(sortedExpenses[0].date);
+    const lastDate = new Date(
+      sortedExpenses[sortedExpenses.length - 1].date,
+    );
+    const daysDiff =
+      (lastDate.getTime() - firstDate.getTime()) / (1000 * 60 * 60 * 24);
+
+    let groupBy: "day" | "week" | "month";
+    if (daysDiff <= 30) {
+      groupBy = "day";
+    } else if (daysDiff <= 180) {
+      groupBy = "week";
+    } else {
+      groupBy = "month";
+    }
+
+    // Fonction helper pour obtenir la clé de période d'une date
+    const getPeriodKey = (date: Date): { key: string; dateKey: string } => {
+      if (groupBy === "day") {
+        return {
+          key: date.toLocaleDateString("fr-FR", {
+            day: "2-digit",
+            month: "short",
+          }),
+          dateKey: date.toISOString().substring(0, 10), // YYYY-MM-DD
+        };
+      } else if (groupBy === "week") {
+        // Semaine commençant le lundi
+        const weekStart = new Date(date);
+        const day = weekStart.getDay();
+        const diff = weekStart.getDate() - day + (day === 0 ? -6 : 1);
+        weekStart.setDate(diff);
+        return {
+          key: `Sem. ${weekStart.toLocaleDateString("fr-FR", {
+            day: "2-digit",
+            month: "short",
+          })}`,
+          dateKey: weekStart.toISOString().substring(0, 10), // YYYY-MM-DD
+        };
+      } else {
+        return {
+          key: date.toLocaleDateString("fr-FR", {
+            month: "short",
+            year: "numeric",
+          }),
+          dateKey: `${date.getFullYear()}-${String(date.getMonth() + 1).padStart(2, "0")}`, // YYYY-MM
+        };
+      }
+    };
+
+    // Grouper les dépenses par période
+    const groupedData = new Map<
+      string,
+      { total: number; dateKey: string }
+    >();
+
+    sortedExpenses.forEach((expense) => {
+      const date = new Date(expense.date);
+      const { key, dateKey } = getPeriodKey(date);
+
+      const current = groupedData.get(key);
+      if (current) {
+        current.total += Math.abs(expense.amount);
+      } else {
+        groupedData.set(key, {
+          total: Math.abs(expense.amount),
+          dateKey,
+        });
+      }
+    });
+
+    // Générer toutes les périodes entre la première et la dernière date
+    const allPeriodsMap = new Map<
+      string,
+      { period: string; montant: number; dateKey: string }
+    >();
+    const currentDate = new Date(firstDate);
+    const endDate = new Date(lastDate);
+
+    // Normaliser les dates selon le type de groupement
+    if (groupBy === "day") {
+      currentDate.setHours(0, 0, 0, 0);
+      endDate.setHours(23, 59, 59, 999);
+    } else if (groupBy === "week") {
+      // Début de la semaine de la première date
+      const day = currentDate.getDay();
+      const diff = currentDate.getDate() - day + (day === 0 ? -6 : 1);
+      currentDate.setDate(diff);
+      currentDate.setHours(0, 0, 0, 0);
+      // Début de la semaine de la dernière date (pour la boucle)
+      const lastDay = endDate.getDay();
+      const lastDiff = endDate.getDate() - lastDay + (lastDay === 0 ? -6 : 1);
+      endDate.setDate(lastDiff);
+      endDate.setHours(0, 0, 0, 0);
+    } else {
+      // Mois : premier jour du mois
+      currentDate.setDate(1);
+      currentDate.setHours(0, 0, 0, 0);
+      endDate.setDate(1);
+      endDate.setHours(0, 0, 0, 0);
+    }
+
+    while (currentDate <= endDate) {
+      const { key, dateKey } = getPeriodKey(currentDate);
+      const existingData = groupedData.get(key);
+
+      // Utiliser dateKey comme clé unique pour éviter les doublons
+      if (!allPeriodsMap.has(dateKey)) {
+        allPeriodsMap.set(dateKey, {
+          period: key,
+          montant: existingData ? Math.round(existingData.total) : 0,
+          dateKey,
+        });
+      }
+
+      // Passer à la période suivante
+      if (groupBy === "day") {
+        currentDate.setDate(currentDate.getDate() + 1);
+      } else if (groupBy === "week") {
+        currentDate.setDate(currentDate.getDate() + 7);
+      } else {
+        // Mois suivant
+        currentDate.setMonth(currentDate.getMonth() + 1);
+      }
+    }
+
+    return Array.from(allPeriodsMap.values())      .sort((a, b) =>
+      a.dateKey.localeCompare(b.dateKey),
+    );
+  }, [
+    hasExpenses,
+    categoriesWithExpenses,
+    activeTab,
+    defaultTabValue,
+    showAllExpenses,
+    allTransactions,
+    categories,
+  ]);
 
   return (
-    <Card>
+    <Card className="card-hover">
       <CardHeader>
-        <CardTitle className="text-sm md:text-base">Top 5 dépenses</CardTitle>
+        <CardTitle className="text-sm md:text-base">
+          Top 10 dépenses par top 5 catégories parentes
+        </CardTitle>
       </CardHeader>
       <CardContent>
-        {expenses.length > 0 ? (
+        {hasExpenses ? (
-          <div className="space-y-3 md:space-y-4">
+          <Tabs
-            {expenses.map((expense, index) => {
+            defaultValue={defaultTabValue}
-              const category = categories.find(
+            value={activeTab || defaultTabValue}
-                (c) => c.id === expense.categoryId,
+            onValueChange={setActiveTab}
-              );
+            className="w-full"
+          >
+            <TabsList className="w-full flex-wrap h-auto p-1 mb-4">
+              {categoriesWithExpenses.map(({ categoryId, expenses }) => {
+                const category = categoryId
+                  ? categories.find((c) => c.id === categoryId)
+                  : null;
+                const tabValue = categoryId || "uncategorized";
+
                 return (
+                  <TabsTrigger
+                    key={tabValue}
+                    value={tabValue}
+                    className="flex items-center gap-1.5 md:gap-2 text-xs md:text-sm"
+                  >
+                    {category && (
+                      <CategoryIcon
+                        icon={category.icon}
+                        color={category.color}
+                        size={isMobile ? 12 : 14}
+                      />
+                    )}
+                    <span className="truncate max-w-[100px] md:max-w-none">
+                      {category?.name || "Non catégorisé"}
+                    </span>
+                  </TabsTrigger>
+                );
+              })}
+            </TabsList>
+            {categoriesWithExpenses.map(({ categoryId, expenses }) => {
+              const category = categoryId
+                ? categories.find((c) => c.id === categoryId)
+                : null;
+              const tabValue = categoryId || "uncategorized";
+
+              return (
+                <TabsContent key={tabValue} value={tabValue}>
+                  <div className="space-y-2 md:space-y-3">
+                    {expenses.map((expense, index) => (
                       <div
                         key={expense.id}
                         className="flex items-start gap-2 md:gap-3"
                       >
-                  <div className="w-6 h-6 md:w-8 md:h-8 rounded-full bg-muted flex items-center justify-center text-xs md:text-sm font-semibold shrink-0">
+                        <div className="w-5 h-5 md:w-6 md:h-6 rounded-full bg-muted flex items-center justify-center text-[10px] md:text-xs font-semibold shrink-0">
                           {index + 1}
                         </div>
                         <div className="flex-1 min-w-0">
@@ -44,40 +326,143 @@ export function TopExpensesList({
                             <p className="font-medium text-xs md:text-sm truncate flex-1">
                               {expense.description}
                             </p>
-                      <div className="text-red-600 font-semibold tabular-nums text-xs md:text-sm shrink-0">
+                            <div className="text-destructive font-semibold tabular-nums text-xs md:text-sm shrink-0">
                               {formatCurrency(expense.amount)}
                             </div>
                           </div>
                           <div className="flex items-center gap-1.5 md:gap-2 flex-wrap">
                             <span className="text-[10px] md:text-xs text-muted-foreground">
-                        {new Date(expense.date).toLocaleDateString("fr-FR")}
+                              {new Date(expense.date).toLocaleDateString(
+                                "fr-FR",
+                              )}
                             </span>
-                      {category && (
+                            {expense.categoryId &&
+                              (() => {
+                                const expenseCategory = categories.find(
+                                  (c) => c.id === expense.categoryId,
+                                );
+                                // Afficher seulement si c'est une sous-catégorie (a un parentId)
+                                if (expenseCategory?.parentId) {
+                                  return (
+                                    <Link
+                                      href={`/transactions?categoryIds=${expenseCategory.id}`}
+                                      className="inline-block"
+                                    >
                                       <Badge
                                         variant="secondary"
-                          className="text-[10px] md:text-xs px-1.5 md:px-2 py-0.5 inline-flex items-center gap-1 shrink-0"
+                                        className="text-[10px] md:text-xs px-1.5 md:px-2 py-0.5 inline-flex items-center gap-1 shrink-0 hover:opacity-80 transition-opacity cursor-pointer"
                                         style={{
-                            backgroundColor: `${category.color}20`,
+                                          backgroundColor: `${expenseCategory.color}20`,
-                            color: category.color,
+                                          color: expenseCategory.color,
-                            borderColor: `${category.color}30`,
+                                          borderColor: `${expenseCategory.color}30`,
                                         }}
                                       >
                                         <CategoryIcon
-                            icon={category.icon}
+                                          icon={expenseCategory.icon}
-                            color={category.color}
+                                          color={expenseCategory.color}
                                           size={isMobile ? 8 : 10}
                                         />
-                          <span className="truncate max-w-[120px] md:max-w-none">
+                                        <span className="truncate max-w-[100px] md:max-w-none">
-                            {category.name}
+                                          {expenseCategory.name}
                                         </span>
                                       </Badge>
+                                    </Link>
+                                  );
+                                }
+                                return null;
+                              })()}
+                          </div>
+                        </div>
+                      </div>
+                    ))}
+                  </div>
+                </TabsContent>
+              );
+            })}
+            {/* Graphique d'évolution temporelle */}
+            {chartData.length > 0 && (() => {
+              const currentTab = activeTab || defaultTabValue;
+              const activeCategoryGroup = categoriesWithExpenses.find(
+                (group) => (group.categoryId || "uncategorized") === currentTab,
+              );
+              const activeCategory = activeCategoryGroup?.categoryId
+                ? categories.find((c) => c.id === activeCategoryGroup.categoryId)
+                : null;
+              const barColor = activeCategory?.color || "var(--destructive)";
+
+              return (
+                <div className="mt-6 pt-6 border-t border-border">
+                  <div className="flex items-center justify-between mb-4">
+                    <h3 className="text-sm font-semibold">
+                      Évolution des dépenses dans le temps
+                    </h3>
+                    {allTransactions.length > 0 && (
+                      <Button
+                        variant="outline"
+                        size="sm"
+                        onClick={() => setShowAllExpenses(!showAllExpenses)}
+                        className="text-xs"
+                      >
+                        {showAllExpenses ? (
+                          <>
+                            <ListOrdered className="w-3 h-3 mr-1.5" />
+                            Top 10 seulement
+                          </>
+                        ) : (
+                          <>
+                            <List className="w-3 h-3 mr-1.5" />
+                            Voir toutes les dépenses
+                          </>
+                        )}
+                      </Button>
                     )}
                   </div>
+                  <div className="h-[250px]">
+                    <ResponsiveContainer width="100%" height="100%">
+                      <BarChart data={chartData}>
+                        <CartesianGrid
+                          strokeDasharray="3 3"
+                          className="stroke-muted"
+                        />
+                        <XAxis
+                          dataKey="period"
+                          className="text-xs"
+                          interval="preserveStartEnd"
+                          angle={-45}
+                          textAnchor="end"
+                          height={60}
+                        />
+                        <YAxis
+                          className="text-xs"
+                          width={80}
+                          tickFormatter={(v) => {
+                            if (Math.abs(v) >= 1000) {
+                              return `${(v / 1000).toFixed(1)}k€`;
+                            }
+                            return `${Math.round(v)}€`;
+                          }}
+                          tick={{ fill: "var(--muted-foreground)" }}
+                        />
+                        <Tooltip
+                          formatter={(value: number) => formatCurrency(value)}
+                          contentStyle={{
+                            backgroundColor: "var(--card)",
+                            border: "1px solid var(--border)",
+                            borderRadius: "8px",
+                          }}
+                        />
+                        <Bar
+                          dataKey="montant"
+                          fill={barColor}
+                          radius={[4, 4, 0, 0]}
+                        />
+                      </BarChart>
+                    </ResponsiveContainer>
                   </div>
                 </div>
               );
-            })}
+            })()}
-          </div>
+          </Tabs>
         ) : (
           <div className="h-[200px] flex items-center justify-center text-muted-foreground text-xs md:text-sm">
             Pas de dépenses pour cette période

components/statistics/year-over-year-chart.tsx

@@ -33,7 +33,7 @@ export function YearOverYearChart({
   previousYearLabel = "Année précédente",
 }: YearOverYearChartProps) {
   return (
-    <Card>
+    <Card className="card-hover">
       <CardHeader>
         <CardTitle>Comparaison année sur année</CardTitle>
       </CardHeader>

components/transactions/index.ts

@@ -1,3 +1,5 @@
 export { TransactionFilters } from "./transaction-filters";
 export { TransactionBulkActions } from "./transaction-bulk-actions";
 export { TransactionTable } from "./transaction-table";
+export { TransactionPagination } from "./transaction-pagination";
+export { formatCurrency, formatDate } from "./transaction-utils";

components/transactions/transaction-filters.tsx

@@ -28,10 +28,12 @@ import {
   SheetTitle,
   SheetTrigger,
 } from "@/components/ui/sheet";
-import { Search, X, Filter, Wallet, Calendar } from "lucide-react";
+import { Search, X, Filter, Wallet, Calendar, Copy } from "lucide-react";
 import { format } from "date-fns";
 import { fr } from "date-fns/locale";
 import { useIsMobile } from "@/hooks/use-mobile";
+import { Checkbox } from "@/components/ui/checkbox";
+import { Label } from "@/components/ui/label";
 import type { Account, Category, Folder, Transaction } from "@/lib/types";
 
 type Period = "1month" | "3months" | "6months" | "12months" | "custom" | "all";
@@ -53,6 +55,8 @@ interface TransactionFiltersProps {
   onCustomEndDateChange: (date: Date | undefined) => void;
   isCustomDatePickerOpen: boolean;
   onCustomDatePickerOpenChange: (open: boolean) => void;
+  showDuplicates: boolean;
+  onShowDuplicatesChange: (show: boolean) => void;
   accounts: Account[];
   folders: Folder[];
   categories: Category[];
@@ -77,6 +81,8 @@ export function TransactionFilters({
   onCustomEndDateChange,
   isCustomDatePickerOpen,
   onCustomDatePickerOpenChange,
+  showDuplicates,
+  onShowDuplicatesChange,
   accounts,
   folders,
   categories,
@@ -153,6 +159,23 @@ export function TransactionFilters({
           </SelectContent>
         </Select>
 
+        <div className="flex items-center gap-2 px-3 py-2 rounded-md border border-border bg-card">
+          <Checkbox
+            id="show-duplicates"
+            checked={showDuplicates}
+            onCheckedChange={(checked) =>
+              onShowDuplicatesChange(checked === true)
+            }
+          />
+          <Label
+            htmlFor="show-duplicates"
+            className="text-sm font-normal cursor-pointer flex items-center gap-2"
+          >
+            <Copy className="h-4 w-4 text-muted-foreground" />
+            Afficher les doublons
+          </Label>
+        </div>
+
         {period === "custom" && (
           <Popover
             open={isCustomDatePickerOpen}
@@ -179,9 +202,10 @@ export function TransactionFilters({
               </Button>
             </PopoverTrigger>
             <PopoverContent className="w-auto p-0" align="start">
-              <div className="p-4 space-y-4">
+              <div className="p-3 flex gap-4">
                 <div className="space-y-2">
                   <label className="text-sm font-medium">Date de début</label>
+                  <div className="scale-90 origin-top-left">
                     <CalendarComponent
                       mode="single"
                       selected={customStartDate}
@@ -194,8 +218,10 @@ export function TransactionFilters({
                       locale={fr}
                     />
                   </div>
+                </div>
                 <div className="space-y-2">
                   <label className="text-sm font-medium">Date de fin</label>
+                  <div className="scale-90 origin-top-left">
                     <CalendarComponent
                       mode="single"
                       selected={customEndDate}
@@ -215,8 +241,10 @@ export function TransactionFilters({
                       locale={fr}
                     />
                   </div>
+                </div>
+              </div>
               {customStartDate && customEndDate && (
-                  <div className="flex gap-2 pt-2 border-t">
+                <div className="flex gap-2 pt-2 border-t px-3 pb-3">
                   <Button
                     variant="outline"
                     size="sm"
@@ -237,7 +265,6 @@ export function TransactionFilters({
                   </Button>
                 </div>
               )}
-              </div>
             </PopoverContent>
           </Popover>
         )}
@@ -282,7 +309,8 @@ export function TransactionFilters({
       (!selectedAccounts.includes("all") ? selectedAccounts.length : 0) +
       (!selectedCategories.includes("all") ? selectedCategories.length : 0) +
       (showReconciled !== "all" ? 1 : 0) +
-      (period !== "all" ? 1 : 0);
+      (period !== "all" ? 1 : 0) +
+      (showDuplicates ? 1 : 0);
 
     return (
       <>

components/transactions/transaction-pagination.tsx

@@ -0,0 +1,50 @@
+"use client";
+
+import { Button } from "@/components/ui/button";
+
+interface TransactionPaginationProps {
+  page: number;
+  pageSize: number;
+  total: number;
+  hasMore: boolean;
+  onPageChange: (page: number) => void;
+}
+
+export function TransactionPagination({
+  page,
+  pageSize,
+  total,
+  hasMore,
+  onPageChange,
+}: TransactionPaginationProps) {
+  if (total <= pageSize) {
+    return null;
+  }
+
+  return (
+    <div className="flex items-center justify-between mt-4">
+      <div className="text-sm text-muted-foreground">
+        Affichage de {page * pageSize + 1} à{" "}
+        {Math.min((page + 1) * pageSize, total)} sur {total}
+      </div>
+      <div className="flex gap-2">
+        <Button
+          variant="outline"
+          size="sm"
+          onClick={() => onPageChange(Math.max(0, page - 1))}
+          disabled={page === 0}
+        >
+          Précédent
+        </Button>
+        <Button
+          variant="outline"
+          size="sm"
+          onClick={() => onPageChange(page + 1)}
+          disabled={!hasMore}
+        >
+          Suivant
+        </Button>
+      </div>
+    </div>
+  );
+}

components/transactions/transaction-table.tsx

@@ -25,6 +25,7 @@ import {
   Wand2,
   Trash2,
   Loader2,
+  AlertTriangle,
 } from "lucide-react";
 import { DropdownMenuSeparator } from "@/components/ui/dropdown-menu";
 import { cn } from "@/lib/utils";
@@ -52,6 +53,8 @@ interface TransactionTableProps {
   formatCurrency: (amount: number) => string;
   formatDate: (dateStr: string) => string;
   updatingTransactionIds?: Set<string>;
+  duplicateIds?: Set<string>;
+  highlightDuplicates?: boolean;
 }
 
 const ROW_HEIGHT = 72; // Hauteur approximative d'une ligne
@@ -145,12 +148,14 @@ export function TransactionTable({
   formatCurrency,
   formatDate,
   updatingTransactionIds = new Set(),
+  duplicateIds = new Set(),
+  highlightDuplicates = false,
 }: TransactionTableProps) {
   const [focusedIndex, setFocusedIndex] = useState<number | null>(null);
   const parentRef = useRef<HTMLDivElement>(null);
   const isMobile = useIsMobile();
 
-  const MOBILE_ROW_HEIGHT = 120;
+  const MOBILE_ROW_HEIGHT = 140;
 
   const virtualizer = useVirtualizer({
     count: transactions.length,
@@ -164,7 +169,7 @@ export function TransactionTable({
       setFocusedIndex(index);
       onMarkReconciled(transactionId);
     },
-    [onMarkReconciled]
+    [onMarkReconciled],
   );
 
   const handleKeyDown = useCallback(
@@ -193,7 +198,7 @@ export function TransactionTable({
         }
       }
     },
-    [focusedIndex, transactions, onMarkReconciled, virtualizer]
+    [focusedIndex, transactions, onMarkReconciled, virtualizer],
   );
 
   useEffect(() => {
@@ -210,7 +215,7 @@ export function TransactionTable({
     (accountId: string) => {
       return accounts.find((a) => a.id === accountId);
     },
-    [accounts]
+    [accounts],
   );
 
   const getCategory = useCallback(
@@ -218,22 +223,22 @@ export function TransactionTable({
       if (!categoryId) return null;
       return categories.find((c) => c.id === categoryId);
     },
-    [categories]
+    [categories],
   );
 
   return (
-    <Card className="overflow-hidden">
+    <Card className="overflow-hidden w-full card-hover">
-      <CardContent className="p-0">
+      <CardContent className="p-0 w-full">
         {transactions.length === 0 ? (
           <div className="flex flex-col items-center justify-center py-12">
             <p className="text-muted-foreground">Aucune transaction trouvée</p>
           </div>
         ) : isMobile ? (
-          <div className="divide-y divide-border">
+          <div className="divide-y divide-border w-full">
             <div
               ref={parentRef}
-              className="overflow-auto"
+              className="overflow-auto w-full"
-              style={{ height: "calc(100vh - 300px)", minHeight: "400px" }}
+              style={{ height: "calc(100vh - 200px)", minHeight: "600px" }}
             >
               <div
                 style={{
@@ -247,6 +252,8 @@ export function TransactionTable({
                   const account = getAccount(transaction.accountId);
                   const _category = getCategory(transaction.categoryId);
                   const isFocused = focusedIndex === virtualRow.index;
+                  const isDuplicate =
+                    highlightDuplicates && duplicateIds.has(transaction.id);
 
                   return (
                     <div
@@ -259,6 +266,10 @@ export function TransactionTable({
                         left: 0,
                         width: "100%",
                         transform: `translateY(${virtualRow.start}px)`,
+                        ...(isDuplicate && {
+                          backgroundColor: "rgb(254 252 232)", // yellow-50
+                          borderLeft: "4px solid rgb(234 179 8)", // yellow-500
+                        }),
                       }}
                       onClick={() => {
                         // Désactiver le pointage au clic sur mobile
@@ -267,26 +278,42 @@ export function TransactionTable({
                         }
                       }}
                       className={cn(
-                        "p-4 space-y-3 hover:bg-muted/50 cursor-pointer border-b border-border",
+                        "p-4 md:p-4 space-y-3 hover:bg-muted/50 cursor-pointer border-b border-border",
                         transaction.isReconciled && "bg-emerald-500/5",
-                        isFocused && "bg-primary/10 ring-1 ring-primary/30"
+                        isFocused && "bg-primary/10 ring-1 ring-primary/30",
+                        isDuplicate && "shadow-sm",
                       )}
                     >
-                      <div className="flex items-start justify-between gap-2">
+                      <div className="flex items-start justify-between gap-3">
-                        <div className="flex items-start gap-3 flex-1 min-w-0">
+                        <div className="flex items-start gap-0 md:gap-3 flex-1 min-w-0">
                           <Checkbox
                             checked={selectedTransactions.has(transaction.id)}
                             onCheckedChange={() => {
                               onToggleSelectTransaction(transaction.id);
                             }}
                             onClick={(e) => e.stopPropagation()}
+                            className="mt-0.5 hidden md:flex"
                           />
                           <div className="flex-1 min-w-0">
-                            <p className="font-medium text-xs md:text-sm truncate">
+                            <div className="flex items-center gap-2">
+                              <p className="font-medium text-sm md:text-sm truncate leading-tight">
                                 {transaction.description}
                               </p>
+                              {isDuplicate && (
+                                <Tooltip delayDuration={200}>
+                                  <TooltipTrigger asChild>
+                                    <AlertTriangle className="h-4 w-4 md:h-4 md:w-4 text-[var(--warning)] shrink-0" />
+                                  </TooltipTrigger>
+                                  <TooltipContent>
+                                    <p>
+                                      Transaction en double (même somme et date)
+                                    </p>
+                                  </TooltipContent>
+                                </Tooltip>
+                              )}
+                            </div>
                             {transaction.memo && (
-                              <p className="text-[10px] md:text-xs text-muted-foreground truncate mt-1">
+                              <p className="text-xs md:text-xs text-muted-foreground truncate mt-1.5">
                                 {transaction.memo}
                               </p>
                             )}
@@ -294,10 +321,10 @@ export function TransactionTable({
                         </div>
                         <div
                           className={cn(
-                            "font-semibold tabular-nums text-sm md:text-base shrink-0",
+                            "font-semibold tabular-nums text-base md:text-base shrink-0",
                             transaction.amount >= 0
-                              ? "text-emerald-600"
+                              ? "text-success"
-                              : "text-red-600"
+                              : "text-destructive",
                           )}
                         >
                           {transaction.amount >= 0 ? "+" : ""}
@@ -305,18 +332,18 @@ export function TransactionTable({
                         </div>
                       </div>
 
-                      <div className="flex items-center gap-2 md:gap-3 flex-wrap">
+                      <div className="flex items-center gap-2.5 md:gap-3 flex-wrap">
-                        <span className="text-[10px] md:text-xs text-muted-foreground">
+                        <span className="text-xs md:text-xs text-muted-foreground">
                           {formatDate(transaction.date)}
                         </span>
                         {account && (
-                          <span className="text-[10px] md:text-xs text-muted-foreground">
+                          <span className="text-xs md:text-xs text-muted-foreground">
                             • {account.name}
                           </span>
                         )}
                         <div
                           onClick={(e) => e.stopPropagation()}
-                          className="flex-1 relative"
+                          className="flex-1 relative min-w-[120px]"
                         >
                           {updatingTransactionIds.has(transaction.id) && (
                             <div className="absolute inset-0 flex items-center justify-center bg-background/50 z-10 rounded">
@@ -332,7 +359,7 @@ export function TransactionTable({
                             showBadge
                             align="start"
                             disabled={updatingTransactionIds.has(
-                              transaction.id
+                              transaction.id,
                             )}
                           />
                         </div>
@@ -344,9 +371,9 @@ export function TransactionTable({
                             <Button
                               variant="ghost"
                               size="icon"
-                              className="h-8 w-8 shrink-0"
+                              className="h-9 w-9 shrink-0"
                             >
-                              <MoreVertical className="w-4 h-4" />
+                              <MoreVertical className="w-5 h-5" />
                             </Button>
                           </DropdownMenuTrigger>
                           <DropdownMenuContent align="end">
@@ -365,13 +392,13 @@ export function TransactionTable({
                                 e.stopPropagation();
                                 if (
                                   confirm(
-                                    `Êtes-vous sûr de vouloir supprimer cette transaction ?\n\n${transaction.description}\n${formatCurrency(transaction.amount)}`
+                                    `Êtes-vous sûr de vouloir supprimer cette transaction ?\n\n${transaction.description}\n${formatCurrency(transaction.amount)}`,
                                   )
                                 ) {
                                   onDelete(transaction.id);
                                 }
                               }}
-                              className="text-red-600 focus:text-red-600"
+                              className="text-destructive focus:text-destructive"
                             >
                               <Trash2 className="w-4 h-4 mr-2" />
                               Supprimer
@@ -420,7 +447,7 @@ export function TransactionTable({
                 <div className="p-3 text-sm font-medium text-muted-foreground">
                   Compte
                 </div>
-                <div className="p-3 text-sm font-medium text-muted-foreground">
+                <div className="p-3 text-sm font-medium text-muted-foreground text-center">
                   Catégorie
                 </div>
                 <div className="p-3 text-right">
@@ -438,11 +465,11 @@ export function TransactionTable({
                 <div className="p-3"></div>
               </div>
             </div>
-            {/* Body virtualisé */}
+            {/* Body virtualisé ou non selon le mode */}
             <div
               ref={parentRef}
               className="overflow-auto"
-              style={{ height: "calc(100vh - 400px)", minHeight: "400px" }}
+              style={{ height: "calc(100vh - 200px)", minHeight: "700px" }}
             >
               <div
                 style={{
@@ -455,6 +482,8 @@ export function TransactionTable({
                   const transaction = transactions[virtualRow.index];
                   const account = getAccount(transaction.accountId);
                   const isFocused = focusedIndex === virtualRow.index;
+                  const isDuplicate =
+                    highlightDuplicates && duplicateIds.has(transaction.id);
 
                   return (
                     <div
@@ -467,6 +496,10 @@ export function TransactionTable({
                         left: 0,
                         width: "100%",
                         transform: `translateY(${virtualRow.start}px)`,
+                        ...(isDuplicate && {
+                          backgroundColor: "rgb(254 252 232)", // yellow-50
+                          borderLeft: "4px solid rgb(234 179 8)", // yellow-500
+                        }),
                       }}
                       onClick={() =>
                         handleRowClick(virtualRow.index, transaction.id)
@@ -474,10 +507,11 @@ export function TransactionTable({
                       className={cn(
                         "grid grid-cols-[auto_120px_2fr_150px_180px_140px_auto_auto] gap-0 border-b border-border hover:bg-muted/50 cursor-pointer",
                         transaction.isReconciled && "bg-emerald-500/5",
-                        isFocused && "bg-primary/10 ring-1 ring-primary/30"
+                        isFocused && "bg-primary/10 ring-1 ring-primary/30",
+                        isDuplicate && "shadow-sm",
                       )}
                     >
-                      <div className="p-3">
+                      <div className="p-3" onClick={(e) => e.stopPropagation()}>
                         <Checkbox
                           checked={selectedTransactions.has(transaction.id)}
                           onCheckedChange={() =>
@@ -492,9 +526,23 @@ export function TransactionTable({
                         className="p-3 min-w-0 overflow-hidden"
                         onClick={(e) => e.stopPropagation()}
                       >
+                        <div className="flex items-center gap-2">
                           <p className="font-medium text-sm truncate">
                             {transaction.description}
                           </p>
+                          {isDuplicate && (
+                            <Tooltip delayDuration={200}>
+                              <TooltipTrigger asChild>
+                                <AlertTriangle className="h-4 w-4 text-[var(--warning)] shrink-0" />
+                              </TooltipTrigger>
+                              <TooltipContent>
+                                <p>
+                                  Transaction en double (même somme et date)
+                                </p>
+                              </TooltipContent>
+                            </Tooltip>
+                          )}
+                        </div>
                         {transaction.memo && (
                           <DescriptionWithTooltip
                             description={transaction.memo}
@@ -505,7 +553,7 @@ export function TransactionTable({
                         {account?.name || "-"}
                       </div>
                       <div
-                        className="p-3 relative"
+                        className="p-3 relative flex items-center justify-center"
                         onClick={(e) => e.stopPropagation()}
                       >
                         {updatingTransactionIds.has(transaction.id) && (
@@ -528,8 +576,8 @@ export function TransactionTable({
                         className={cn(
                           "p-3 text-right font-semibold tabular-nums",
                           transaction.amount >= 0
-                            ? "text-emerald-600"
+                            ? "text-success"
-                            : "text-red-600"
+                            : "text-destructive",
                         )}
                       >
                         {transaction.amount >= 0 ? "+" : ""}
@@ -544,7 +592,7 @@ export function TransactionTable({
                           className="p-1 hover:bg-muted rounded"
                         >
                           {transaction.isReconciled ? (
-                            <CheckCircle2 className="w-5 h-5 text-emerald-600" />
+                            <CheckCircle2 className="w-5 h-5 text-success" />
                           ) : (
                             <Circle className="w-5 h-5 text-muted-foreground" />
                           )}
@@ -596,13 +644,13 @@ export function TransactionTable({
                                 e.stopPropagation();
                                 if (
                                   confirm(
-                                    `Êtes-vous sûr de vouloir supprimer cette transaction ?\n\n${transaction.description}\n${formatCurrency(transaction.amount)}`
+                                    `Êtes-vous sûr de vouloir supprimer cette transaction ?\n\n${transaction.description}\n${formatCurrency(transaction.amount)}`,
                                   )
                                 ) {
                                   onDelete(transaction.id);
                                 }
                               }}
-                              className="text-red-600 focus:text-red-600"
+                              className="text-destructive focus:text-destructive"
                             >
                               <Trash2 className="w-4 h-4 mr-2" />
                               Supprimer

components/transactions/transaction-utils.ts

@@ -0,0 +1,18 @@
+/**
+ * Utility functions for transaction formatting
+ */
+
+export const formatCurrency = (amount: number): string => {
+  return new Intl.NumberFormat("fr-FR", {
+    style: "currency",
+    currency: "EUR",
+  }).format(amount);
+};
+
+export const formatDate = (dateStr: string): string => {
+  return new Date(dateStr).toLocaleDateString("fr-FR", {
+    day: "2-digit",
+    month: "short",
+    year: "numeric",
+  });
+};

components/ui/account-filter-combobox.tsx

@@ -182,9 +182,7 @@ export function AccountFilterCombobox({
             {isFolderPartiallySelected(folder.id) && (
               <div className="h-3 w-3 rounded-sm bg-primary/50 mr-1" />
             )}
-            {isFolderSelected(folder.id) && (
+            {isFolderSelected(folder.id) && <Check className="h-4 w-4" />}
-              <Check className="h-4 w-4" />
-            )}
           </div>
         </CommandItem>
 
@@ -306,9 +304,7 @@ export function AccountFilterCombobox({
                     )
                   </span>
                 )}
-                {isAll && (
+                {isAll && <Check className="ml-auto h-4 w-4" />}
-                  <Check className="ml-auto h-4 w-4" />
-                )}
               </CommandItem>
             </CommandGroup>
 

components/ui/alert-dialog.tsx

@@ -54,7 +54,7 @@ function AlertDialogContent({
       <AlertDialogPrimitive.Content
         data-slot="alert-dialog-content"
         className={cn(
-          "bg-background data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 fixed top-[50%] left-[50%] z-50 grid w-full max-w-[calc(100%-2rem)] translate-x-[-50%] translate-y-[-50%] gap-4 rounded-lg border p-6 shadow-lg duration-200 sm:max-w-lg",
+          "bg-background data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 fixed top-[50%] left-[50%] z-50 grid w-full max-w-[calc(100%-2rem)] max-h-[calc(100vh-2rem)] translate-x-[-50%] translate-y-[-50%] gap-4 rounded-lg border p-6 shadow-lg duration-200 overflow-y-auto sm:max-w-lg",
           className,
         )}
         {...props}

components/ui/badge.tsx

@@ -5,7 +5,7 @@ import { cva, type VariantProps } from "class-variance-authority";
 import { cn } from "@/lib/utils";
 
 const badgeVariants = cva(
-  "inline-flex items-center justify-center rounded-md border px-2 py-0.5 text-xs font-medium w-fit whitespace-nowrap shrink-0 [&>svg]:size-3 gap-1 [&>svg]:pointer-events-none focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive transition-[color,box-shadow] overflow-hidden",
+  "inline-flex items-center justify-center rounded-md border px-2 py-0.5 text-xs font-medium w-fit whitespace-nowrap shrink-0 [&>svg]:size-3 gap-1 [&>svg]:pointer-events-none focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/30 aria-invalid:border-destructive overflow-hidden",
   {
     variants: {
       variant: {
@@ -14,7 +14,7 @@ const badgeVariants = cva(
         secondary:
           "border-transparent bg-secondary text-secondary-foreground [a&]:hover:bg-secondary/90",
         destructive:
-          "border-transparent bg-destructive text-white [a&]:hover:bg-destructive/90 focus-visible:ring-destructive/20 dark:focus-visible:ring-destructive/40 dark:bg-destructive/60",
+          "border-transparent bg-destructive text-destructive-foreground [a&]:hover:bg-destructive/90 focus-visible:ring-destructive/30",
         outline:
           "text-foreground [a&]:hover:bg-accent [a&]:hover:text-accent-foreground",
       },

components/ui/breadcrumb.tsx

@@ -43,7 +43,7 @@ function BreadcrumbLink({
   return (
     <Comp
       data-slot="breadcrumb-link"
-      className={cn("hover:text-foreground transition-colors", className)}
+      className={cn("hover:text-foreground", className)}
       {...props}
     />
   );

components/ui/button.tsx

@@ -5,21 +5,20 @@ import { cva, type VariantProps } from "class-variance-authority";
 import { cn } from "@/lib/utils";
 
 const buttonVariants = cva(
-  "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-xl text-sm font-semibold transition-all duration-300 disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg:not([class*='size-'])]:size-4 shrink-0 [&_svg]:shrink-0 outline-none focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive",
+  "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-xl text-sm font-semibold disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg:not([class*='size-'])]:size-4 shrink-0 [&_svg]:shrink-0 outline-none focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/30 aria-invalid:border-destructive",
   {
     variants: {
       variant: {
         default:
-          "bg-gradient-to-r from-primary via-primary/95 to-primary/90 text-primary-foreground hover:from-primary/95 hover:via-primary hover:to-primary/95 shadow-xl shadow-primary/30 hover:shadow-2xl hover:shadow-primary/40 hover:scale-[1.03] active:scale-[0.97] backdrop-blur-sm border border-primary/20",
+          "bg-gradient-to-r from-primary via-primary/95 to-primary/90 text-primary-foreground shadow-xl shadow-primary/30 backdrop-blur-sm border border-primary/20",
         destructive:
-          "bg-gradient-to-r from-destructive via-destructive/95 to-destructive/90 text-white hover:from-destructive/95 hover:via-destructive hover:to-destructive/95 shadow-xl shadow-destructive/30 hover:shadow-2xl hover:shadow-destructive/40 hover:scale-[1.03] focus-visible:ring-destructive/20 dark:focus-visible:ring-destructive/40 active:scale-[0.97] backdrop-blur-sm border border-destructive/20",
+          "bg-gradient-to-r from-destructive via-destructive/95 to-destructive/90 text-destructive-foreground shadow-xl shadow-destructive/30 focus-visible:ring-destructive/30 backdrop-blur-sm border border-destructive/20",
         outline:
-          "border-2 bg-background/95 backdrop-blur-md shadow-md hover:bg-accent hover:text-accent-foreground hover:border-primary/50 hover:shadow-lg hover:scale-[1.03] dark:bg-input/40 dark:border-input dark:hover:bg-input/60 active:scale-[0.97]",
+          "border-2 bg-background/95 backdrop-blur-md shadow-md border-border",
         secondary:
-          "bg-gradient-to-r from-secondary via-secondary/95 to-secondary/90 text-secondary-foreground hover:from-secondary/95 hover:via-secondary hover:to-secondary/95 hover:shadow-lg hover:scale-[1.03] active:scale-[0.97] backdrop-blur-sm",
+          "bg-gradient-to-r from-secondary via-secondary/95 to-secondary/90 text-secondary-foreground backdrop-blur-sm",
-        ghost:
+        ghost: "backdrop-blur-sm",
-          "hover:bg-accent/70 hover:text-accent-foreground dark:hover:bg-accent/50 hover:scale-[1.03] active:scale-[0.97] backdrop-blur-sm",
+        link: "text-primary underline-offset-4 font-semibold",
-        link: "text-primary underline-offset-4 hover:underline font-semibold",
       },
       size: {
         default: "h-10 px-5 py-2.5 has-[>svg]:px-4",

components/ui/calendar.tsx

@@ -201,7 +201,7 @@ function CalendarDayButton({
       data-range-end={modifiers.range_end}
       data-range-middle={modifiers.range_middle}
       className={cn(
-        "data-[selected-single=true]:bg-primary data-[selected-single=true]:text-primary-foreground data-[range-middle=true]:bg-accent data-[range-middle=true]:text-accent-foreground data-[range-start=true]:bg-primary data-[range-start=true]:text-primary-foreground data-[range-end=true]:bg-primary data-[range-end=true]:text-primary-foreground group-data-[focused=true]/day:border-ring group-data-[focused=true]/day:ring-ring/50 dark:hover:text-accent-foreground flex aspect-square size-auto w-full min-w-(--cell-size) flex-col gap-1 leading-none font-normal group-data-[focused=true]/day:relative group-data-[focused=true]/day:z-10 group-data-[focused=true]/day:ring-[3px] data-[range-end=true]:rounded-md data-[range-end=true]:rounded-r-md data-[range-middle=true]:rounded-none data-[range-start=true]:rounded-md data-[range-start=true]:rounded-l-md [&>span]:text-xs [&>span]:opacity-70",
+        "data-[selected-single=true]:bg-primary data-[selected-single=true]:text-primary-foreground data-[range-middle=true]:bg-accent data-[range-middle=true]:text-accent-foreground data-[range-start=true]:bg-primary data-[range-start=true]:text-primary-foreground data-[range-end=true]:bg-primary data-[range-end=true]:text-primary-foreground group-data-[focused=true]/day:border-ring group-data-[focused=true]/day:ring-ring/50 hover:text-accent-foreground flex aspect-square size-auto w-full min-w-(--cell-size) flex-col gap-1 leading-none font-normal group-data-[focused=true]/day:relative group-data-[focused=true]/day:z-10 group-data-[focused=true]/day:ring-[3px] data-[range-end=true]:rounded-md data-[range-end=true]:rounded-r-md data-[range-middle=true]:rounded-none data-[range-start=true]:rounded-md data-[range-start=true]:rounded-l-md [&>span]:text-xs [&>span]:opacity-70",
         defaultClassNames.day,
         className,
       )}

components/ui/card.tsx

@@ -9,7 +9,6 @@ function Card({ className, ...props }: React.ComponentProps<"div">) {
       className={cn(
         "fintech-card",
         "bg-card text-card-foreground flex flex-col",
-        "transition-all duration-300 ease-out",
         className,
       )}
       {...props}

components/ui/category-filter-combobox.tsx

@@ -87,21 +87,55 @@ export function CategoryFilterCombobox({
       return;
     }
 
+    // Check if this is a parent category
+    const isParentCategory = parentCategories.some((p) => p.id === newValue);
+    const childCategories = isParentCategory
+      ? childrenByParent[newValue] || []
+      : [];
+
     // Category selection - toggle
     let newSelection: string[];
 
     if (isAll || isUncategorized) {
-      // Start fresh with just this category
+      // Start fresh with this category and its children (if parent)
+      if (isParentCategory && childCategories.length > 0) {
+        newSelection = [newValue, ...childCategories.map((child) => child.id)];
+      } else {
         newSelection = [newValue];
+      }
     } else if (value.includes(newValue)) {
-      // Remove category
+      // Remove category and its children (if parent)
+      if (isParentCategory && childCategories.length > 0) {
+        const childIds = childCategories.map((child) => child.id);
+        newSelection = value.filter(
+          (v) => v !== newValue && !childIds.includes(v),
+        );
+      } else {
         newSelection = value.filter((v) => v !== newValue);
+      }
       if (newSelection.length === 0) {
         newSelection = ["all"];
       }
     } else {
-      // Add category
+      // Add category and its children (if parent)
+      if (isParentCategory && childCategories.length > 0) {
+        const childIds = childCategories.map((child) => child.id);
+        newSelection = [
+          ...value.filter((v) => !childIds.includes(v)), // Remove any existing children
+          newValue,
+          ...childIds,
+        ];
+      } else {
+        // Check if this child's parent is already selected
+        const category = categories.find((c) => c.id === newValue);
+        if (category?.parentId && value.includes(category.parentId)) {
+          // Parent is selected, so we're adding a child - keep parent
           newSelection = [...value, newValue];
+        } else {
+          // Regular add
+          newSelection = [...value, newValue];
+        }
+      }
     }
 
     onChange(newSelection);
@@ -193,7 +227,11 @@ export function CategoryFilterCombobox({
         align="start"
         onOpenAutoFocus={(e) => e.preventDefault()}
       >
-        <Command value={isAll ? "all" : isUncategorized ? "uncategorized" : value.join(",")}>
+        <Command
+          value={
+            isAll ? "all" : isUncategorized ? "uncategorized" : value.join(",")
+          }
+        >
           <CommandInput placeholder="Rechercher..." />
           <CommandList className="max-h-[300px]">
             <CommandEmpty>Aucune catégorie trouvée.</CommandEmpty>
@@ -212,9 +250,7 @@ export function CategoryFilterCombobox({
                     ({filteredTransactions.length})
                   </span>
                 )}
-                {isAll && (
+                {isAll && <Check className="ml-auto h-4 w-4 shrink-0" />}
-                  <Check className="ml-auto h-4 w-4 shrink-0" />
-                )}
               </CommandItem>
               <CommandItem
                 value="uncategorized"

components/ui/checkbox.tsx

@@ -14,7 +14,7 @@ function Checkbox({
     <CheckboxPrimitive.Root
       data-slot="checkbox"
       className={cn(
-        "peer border-input dark:bg-input/30 data-[state=checked]:bg-primary data-[state=checked]:text-primary-foreground dark:data-[state=checked]:bg-primary data-[state=checked]:border-primary focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive size-4 shrink-0 rounded-[4px] border shadow-xs transition-shadow outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50",
+        "peer border-input bg-input data-[state=checked]:bg-primary data-[state=checked]:text-primary-foreground data-[state=checked]:border-primary focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/30 aria-invalid:border-destructive size-4 shrink-0 rounded-[4px] border shadow-xs outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50",
         className,
       )}
       {...props}

components/ui/context-menu.tsx

@@ -126,7 +126,7 @@ function ContextMenuItem({
       data-inset={inset}
       data-variant={variant}
       className={cn(
-        "focus:bg-accent focus:text-accent-foreground data-[variant=destructive]:text-destructive data-[variant=destructive]:focus:bg-destructive/10 dark:data-[variant=destructive]:focus:bg-destructive/20 data-[variant=destructive]:focus:text-destructive data-[variant=destructive]:*:[svg]:!text-destructive [&_svg:not([class*='text-'])]:text-muted-foreground relative flex cursor-default items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 data-[inset]:pl-8 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        "focus:bg-accent focus:text-accent-foreground data-[variant=destructive]:text-destructive data-[variant=destructive]:focus:bg-destructive/15 data-[variant=destructive]:focus:text-destructive data-[variant=destructive]:*:[svg]:!text-destructive [&_svg:not([class*='text-'])]:text-muted-foreground relative flex cursor-default items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 data-[inset]:pl-8 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
         className,
       )}
       {...props}

components/ui/dialog.tsx

@@ -60,7 +60,7 @@ function DialogContent({
       <DialogPrimitive.Content
         data-slot="dialog-content"
         className={cn(
-          "bg-background data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 fixed top-[50%] left-[50%] z-50 grid w-full max-w-[calc(100%-2rem)] translate-x-[-50%] translate-y-[-50%] gap-4 rounded-lg border p-6 shadow-lg duration-200 sm:max-w-lg",
+          "bg-popover text-popover-foreground data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 fixed top-[50%] left-[50%] z-50 flex flex-col w-full max-w-[calc(100%-2rem)] max-h-[calc(100vh-2rem)] translate-x-[-50%] translate-y-[-50%] gap-4 rounded-lg border p-6 shadow-lg duration-200 overflow-y-auto sm:max-w-lg",
           className,
         )}
         {...props}
@@ -69,7 +69,7 @@ function DialogContent({
         {showCloseButton && (
           <DialogPrimitive.Close
             data-slot="dialog-close"
-            className="ring-offset-background focus:ring-ring data-[state=open]:bg-accent data-[state=open]:text-muted-foreground absolute top-4 right-4 rounded-xs opacity-70 transition-opacity hover:opacity-100 focus:ring-2 focus:ring-offset-2 focus:outline-hidden disabled:pointer-events-none [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4"
+            className="ring-offset-background focus:ring-ring data-[state=open]:bg-accent data-[state=open]:text-muted-foreground absolute top-4 right-4 rounded-xs opacity-70 hover:opacity-100 focus:ring-2 focus:ring-offset-2 focus:outline-hidden disabled:pointer-events-none [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4"
           >
             <XIcon />
             <span className="sr-only">Close</span>

components/ui/dropdown-menu.tsx

@@ -76,7 +76,7 @@ function DropdownMenuItem({
       data-inset={inset}
       data-variant={variant}
       className={cn(
-        "focus:bg-accent focus:text-accent-foreground data-[variant=destructive]:text-destructive data-[variant=destructive]:focus:bg-destructive/10 dark:data-[variant=destructive]:focus:bg-destructive/20 data-[variant=destructive]:focus:text-destructive data-[variant=destructive]:*:[svg]:!text-destructive [&_svg:not([class*='text-'])]:text-muted-foreground relative flex cursor-default items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 data-[inset]:pl-8 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        "focus:bg-accent focus:text-accent-foreground data-[variant=destructive]:text-destructive data-[variant=destructive]:focus:bg-destructive/15 data-[variant=destructive]:focus:text-destructive data-[variant=destructive]:*:[svg]:!text-destructive [&_svg:not([class*='text-'])]:text-muted-foreground relative flex cursor-default items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 data-[inset]:pl-8 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
         className,
       )}
       {...props}

components/ui/field.tsx

@@ -117,7 +117,7 @@ function FieldLabel({
       className={cn(
         "group/field-label peer/field-label flex w-fit gap-2 leading-snug group-data-[disabled=true]/field:opacity-50",
         "has-[>[data-slot=field]]:w-full has-[>[data-slot=field]]:flex-col has-[>[data-slot=field]]:rounded-md has-[>[data-slot=field]]:border [&>*]:data-[slot=field]:p-4",
-        "has-data-[state=checked]:bg-primary/5 has-data-[state=checked]:border-primary dark:has-data-[state=checked]:bg-primary/10",
+        "has-data-[state=checked]:bg-primary/8 has-data-[state=checked]:border-primary",
         className,
       )}
       {...props}

components/ui/icon-picker.tsx

@@ -316,7 +316,7 @@ export function IconPicker({ value, onChange, color }: IconPickerProps) {
                       key={icon}
                       onClick={() => handleSelect(icon)}
                       className={cn(
-                        "flex items-center justify-center p-2 rounded-md hover:bg-accent transition-colors",
+                        "flex items-center justify-center p-2 rounded-md hover:bg-accent",
                         value === icon && "bg-accent ring-2 ring-primary",
                       )}
                       title={icon}

components/ui/input-group.tsx

@@ -13,7 +13,7 @@ function InputGroup({ className, ...props }: React.ComponentProps<"div">) {
       data-slot="input-group"
       role="group"
       className={cn(
-        "group/input-group border-input dark:bg-input/30 relative flex w-full items-center rounded-md border shadow-xs transition-[color,box-shadow] outline-none",
+        "group/input-group border-input bg-input relative flex w-full items-center rounded-md border shadow-xs outline-none",
         "h-9 has-[>textarea]:h-auto",
 
         // Variants based on alignment.
@@ -26,7 +26,7 @@ function InputGroup({ className, ...props }: React.ComponentProps<"div">) {
         "has-[[data-slot=input-group-control]:focus-visible]:border-ring has-[[data-slot=input-group-control]:focus-visible]:ring-ring/50 has-[[data-slot=input-group-control]:focus-visible]:ring-[3px]",
 
         // Error state.
-        "has-[[data-slot][aria-invalid=true]]:ring-destructive/20 has-[[data-slot][aria-invalid=true]]:border-destructive dark:has-[[data-slot][aria-invalid=true]]:ring-destructive/40",
+        "has-[[data-slot][aria-invalid=true]]:ring-destructive/30 has-[[data-slot][aria-invalid=true]]:border-destructive",
 
         className,
       )}
@@ -135,7 +135,7 @@ function InputGroupInput({
     <Input
       data-slot="input-group-control"
       className={cn(
-        "flex-1 rounded-none border-0 bg-transparent shadow-none focus-visible:ring-0 dark:bg-transparent",
+        "flex-1 rounded-none border-0 bg-transparent shadow-none focus-visible:ring-0",
         className,
       )}
       {...props}
@@ -151,7 +151,7 @@ function InputGroupTextarea({
     <Textarea
       data-slot="input-group-control"
       className={cn(
-        "flex-1 resize-none rounded-none border-0 bg-transparent py-3 shadow-none focus-visible:ring-0 dark:bg-transparent",
+        "flex-1 resize-none rounded-none border-0 bg-transparent py-3 shadow-none focus-visible:ring-0",
         className,
       )}
       {...props}

components/ui/input-otp.tsx

@@ -51,7 +51,7 @@ function InputOTPSlot({
       data-slot="input-otp-slot"
       data-active={isActive}
       className={cn(
-        "data-[active=true]:border-ring data-[active=true]:ring-ring/50 data-[active=true]:aria-invalid:ring-destructive/20 dark:data-[active=true]:aria-invalid:ring-destructive/40 aria-invalid:border-destructive data-[active=true]:aria-invalid:border-destructive dark:bg-input/30 border-input relative flex h-9 w-9 items-center justify-center border-y border-r text-sm shadow-xs transition-all outline-none first:rounded-l-md first:border-l last:rounded-r-md data-[active=true]:z-10 data-[active=true]:ring-[3px]",
+        "data-[active=true]:border-ring data-[active=true]:ring-ring/50 data-[active=true]:aria-invalid:ring-destructive/30 aria-invalid:border-destructive data-[active=true]:aria-invalid:border-destructive bg-input border-input relative flex h-9 w-9 items-center justify-center border-y border-r text-sm shadow-xs outline-none first:rounded-l-md first:border-l last:rounded-r-md data-[active=true]:z-10 data-[active=true]:ring-[3px]",
         className,
       )}
       {...props}

components/ui/input.tsx

@@ -9,13 +9,13 @@ function Input({ className, type, ...props }: React.ComponentProps<"input">) {
       data-slot="input"
       className={cn(
         "file:text-foreground placeholder:text-muted-foreground selection:bg-primary selection:text-primary-foreground",
-        "dark:bg-input/40 border-input h-9 w-full min-w-0 rounded-lg border bg-background/50 backdrop-blur-sm px-3 py-1 text-base",
+        "bg-input border-border h-9 w-full min-w-0 rounded-lg border backdrop-blur-sm px-3 py-1 text-base",
-        "shadow-sm transition-all duration-200 outline-none",
+        "shadow-sm outline-none",
         "file:inline-flex file:h-7 file:border-0 file:bg-transparent file:text-sm file:font-medium",
         "disabled:pointer-events-none disabled:cursor-not-allowed disabled:opacity-50 md:text-sm",
         "focus-visible:border-primary/50 focus-visible:ring-primary/20 focus-visible:ring-[3px] focus-visible:shadow-md focus-visible:shadow-primary/10",
         "hover:border-primary/30 hover:shadow-sm",
-        "aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive",
+        "aria-invalid:ring-destructive/30 aria-invalid:border-destructive",
         className,
       )}
       {...props}

components/ui/kbd.tsx

@@ -7,7 +7,7 @@ function Kbd({ className, ...props }: React.ComponentProps<"kbd">) {
       className={cn(
         "bg-muted w-fit text-muted-foreground pointer-events-none inline-flex h-5 min-w-5 items-center justify-center gap-1 rounded-sm px-1 font-sans text-xs font-medium select-none",
         "[&_svg:not([class*='size-'])]:size-3",
-        "[[data-slot=tooltip-content]_&]:bg-background/20 [[data-slot=tooltip-content]_&]:text-background dark:[[data-slot=tooltip-content]_&]:bg-background/10",
+        "[[data-slot=tooltip-content]_&]:bg-background/15 [[data-slot=tooltip-content]_&]:text-background",
         className,
       )}
       {...props}

components/ui/menubar.tsx

@@ -103,7 +103,7 @@ function MenubarItem({
       data-inset={inset}
       data-variant={variant}
       className={cn(
-        "focus:bg-accent focus:text-accent-foreground data-[variant=destructive]:text-destructive data-[variant=destructive]:focus:bg-destructive/10 dark:data-[variant=destructive]:focus:bg-destructive/20 data-[variant=destructive]:focus:text-destructive data-[variant=destructive]:*:[svg]:!text-destructive [&_svg:not([class*='text-'])]:text-muted-foreground relative flex cursor-default items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 data-[inset]:pl-8 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        "focus:bg-accent focus:text-accent-foreground data-[variant=destructive]:text-destructive data-[variant=destructive]:focus:bg-destructive/15 data-[variant=destructive]:focus:text-destructive data-[variant=destructive]:*:[svg]:!text-destructive [&_svg:not([class*='text-'])]:text-muted-foreground relative flex cursor-default items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 data-[inset]:pl-8 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
         className,
       )}
       {...props}

components/ui/radio-group.tsx

@@ -27,7 +27,7 @@ function RadioGroupItem({
     <RadioGroupPrimitive.Item
       data-slot="radio-group-item"
       className={cn(
-        "border-input text-primary focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive dark:bg-input/30 aspect-square size-4 shrink-0 rounded-full border shadow-xs transition-[color,box-shadow] outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50",
+        "border-input text-primary focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/30 aria-invalid:border-destructive bg-input aspect-square size-4 shrink-0 rounded-full border shadow-xs outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50",
         className,
       )}
       {...props}

components/ui/select.tsx

@@ -37,7 +37,7 @@ function SelectTrigger({
       data-slot="select-trigger"
       data-size={size}
       className={cn(
-        "border-input data-[placeholder]:text-muted-foreground [&_svg:not([class*='text-'])]:text-muted-foreground focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive dark:bg-input/30 dark:hover:bg-input/50 flex w-fit items-center justify-between gap-2 rounded-md border bg-transparent px-3 py-2 text-sm whitespace-nowrap shadow-xs transition-[color,box-shadow] outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50 data-[size=default]:h-9 data-[size=sm]:h-8 *:data-[slot=select-value]:line-clamp-1 *:data-[slot=select-value]:flex *:data-[slot=select-value]:items-center *:data-[slot=select-value]:gap-2 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        "border-input data-[placeholder]:text-muted-foreground [&_svg:not([class*='text-'])]:text-muted-foreground focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/30 aria-invalid:border-destructive bg-input hover:bg-input/80 flex w-fit items-center justify-between gap-2 rounded-md border px-3 py-2 text-sm whitespace-nowrap shadow-xs outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50 data-[size=default]:h-9 data-[size=sm]:h-8 *:data-[slot=select-value]:line-clamp-1 *:data-[slot=select-value]:flex *:data-[slot=select-value]:items-center *:data-[slot=select-value]:gap-2 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
         className,
       )}
       {...props}

components/ui/sheet.tsx

@@ -58,21 +58,21 @@ function SheetContent({
       <SheetPrimitive.Content
         data-slot="sheet-content"
         className={cn(
-          "bg-background data-[state=open]:animate-in data-[state=closed]:animate-out fixed z-50 flex flex-col gap-4 shadow-lg transition ease-in-out data-[state=closed]:duration-300 data-[state=open]:duration-500",
+          "bg-background data-[state=open]:animate-in data-[state=closed]:animate-out fixed z-50 flex flex-col gap-4 shadow-lg transition ease-in-out data-[state=closed]:duration-300 data-[state=open]:duration-500 overflow-y-auto",
           side === "right" &&
             "data-[state=closed]:slide-out-to-right data-[state=open]:slide-in-from-right inset-y-0 right-0 h-full w-3/4 border-l sm:max-w-sm",
           side === "left" &&
             "data-[state=closed]:slide-out-to-left data-[state=open]:slide-in-from-left inset-y-0 left-0 h-full w-3/4 border-r sm:max-w-sm",
           side === "top" &&
-            "data-[state=closed]:slide-out-to-top data-[state=open]:slide-in-from-top inset-x-0 top-0 h-auto border-b",
+            "data-[state=closed]:slide-out-to-top data-[state=open]:slide-in-from-top inset-x-0 top-0 max-h-[calc(100vh-2rem)] border-b",
           side === "bottom" &&
-            "data-[state=closed]:slide-out-to-bottom data-[state=open]:slide-in-from-bottom inset-x-0 bottom-0 h-auto border-t",
+            "data-[state=closed]:slide-out-to-bottom data-[state=open]:slide-in-from-bottom inset-x-0 bottom-0 max-h-[calc(100vh-2rem)] border-t",
           className,
         )}
         {...props}
       >
         {children}
-        <SheetPrimitive.Close className="ring-offset-background focus:ring-ring data-[state=open]:bg-secondary absolute top-4 right-4 rounded-xs opacity-70 transition-opacity hover:opacity-100 focus:ring-2 focus:ring-offset-2 focus:outline-hidden disabled:pointer-events-none">
+        <SheetPrimitive.Close className="ring-offset-background focus:ring-ring data-[state=open]:bg-secondary absolute top-4 right-4 rounded-xs opacity-70 hover:opacity-100 focus:ring-2 focus:ring-offset-2 focus:outline-hidden disabled:pointer-events-none">
           <XIcon className="size-4" />
           <span className="sr-only">Close</span>
         </SheetPrimitive.Close>

components/ui/sonner.tsx

@@ -4,11 +4,11 @@ import { useTheme } from "next-themes";
 import { Toaster as Sonner, ToasterProps } from "sonner";
 
 const Toaster = ({ ...props }: ToasterProps) => {
-  const { theme = "system" } = useTheme();
+  const { theme = "light" } = useTheme();
 
   return (
     <Sonner
-      theme={theme as ToasterProps["theme"]}
+      theme={theme === "system" ? "dark" : (theme as ToasterProps["theme"])}
       className="toaster group"
       style={
         {

components/ui/switch.tsx

@@ -13,7 +13,7 @@ function Switch({
     <SwitchPrimitive.Root
       data-slot="switch"
       className={cn(
-        "peer data-[state=checked]:bg-primary data-[state=unchecked]:bg-input focus-visible:border-ring focus-visible:ring-ring/50 dark:data-[state=unchecked]:bg-input/80 inline-flex h-[1.15rem] w-8 shrink-0 items-center rounded-full border border-transparent shadow-xs transition-all outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50",
+        "peer data-[state=checked]:bg-primary data-[state=unchecked]:bg-input focus-visible:border-ring focus-visible:ring-ring/50 inline-flex h-[1.15rem] w-8 shrink-0 items-center rounded-full border border-transparent shadow-xs outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50",
         className,
       )}
       {...props}
@@ -21,7 +21,7 @@ function Switch({
       <SwitchPrimitive.Thumb
         data-slot="switch-thumb"
         className={
-          "bg-background dark:data-[state=unchecked]:bg-foreground dark:data-[state=checked]:bg-primary-foreground pointer-events-none block size-4 rounded-full ring-0 transition-transform data-[state=checked]:translate-x-[calc(100%-2px)] data-[state=unchecked]:translate-x-0"
+          "bg-primary-foreground pointer-events-none block size-4 rounded-full ring-0 data-[state=checked]:translate-x-[calc(100%-2px)] data-[state=unchecked]:translate-x-0"
         }
       />
     </SwitchPrimitive.Root>

components/ui/table.tsx

@@ -57,7 +57,7 @@ function TableRow({ className, ...props }: React.ComponentProps<"tr">) {
     <tr
       data-slot="table-row"
       className={cn(
-        "hover:bg-muted/50 data-[state=selected]:bg-muted border-b transition-colors",
+        "hover:bg-muted/50 data-[state=selected]:bg-muted border-b",
         className,
       )}
       {...props}

components/ui/tabs.tsx

@@ -42,7 +42,7 @@ function TabsTrigger({
     <TabsPrimitive.Trigger
       data-slot="tabs-trigger"
       className={cn(
-        "data-[state=active]:bg-background dark:data-[state=active]:text-foreground focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:outline-ring dark:data-[state=active]:border-input dark:data-[state=active]:bg-input/30 text-foreground dark:text-muted-foreground inline-flex h-[calc(100%-1px)] flex-1 items-center justify-center gap-1.5 rounded-md border border-transparent px-2 py-1 text-sm font-medium whitespace-nowrap transition-[color,box-shadow] focus-visible:ring-[3px] focus-visible:outline-1 disabled:pointer-events-none disabled:opacity-50 data-[state=active]:shadow-sm [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        "data-[state=active]:bg-background data-[state=active]:text-foreground focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:outline-ring data-[state=active]:border-input text-muted-foreground inline-flex h-[calc(100%-1px)] flex-1 items-center justify-center gap-1.5 rounded-md border border-transparent px-2 py-1 text-sm font-medium whitespace-nowrap focus-visible:ring-[3px] focus-visible:outline-1 disabled:pointer-events-none disabled:opacity-50 data-[state=active]:shadow-sm [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
         className,
       )}
       {...props}

components/ui/textarea.tsx

@@ -8,11 +8,11 @@ function Textarea({ className, ...props }: React.ComponentProps<"textarea">) {
       data-slot="textarea"
       className={cn(
         "border-input placeholder:text-muted-foreground",
-        "dark:bg-input/40 flex field-sizing-content min-h-16 w-full rounded-lg border bg-background/50 backdrop-blur-sm px-3 py-2 text-base",
+        "bg-input flex field-sizing-content min-h-16 w-full rounded-lg border backdrop-blur-sm px-3 py-2 text-base",
-        "shadow-sm transition-all duration-200 outline-none",
+        "shadow-sm outline-none",
         "focus-visible:border-primary/50 focus-visible:ring-primary/20 focus-visible:ring-[3px] focus-visible:shadow-md focus-visible:shadow-primary/10",
         "hover:border-primary/30 hover:shadow-sm",
-        "aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive",
+        "aria-invalid:ring-destructive/30 aria-invalid:border-destructive",
         "disabled:cursor-not-allowed disabled:opacity-50 md:text-sm",
         className,
       )}

components/ui/toggle.tsx

@@ -7,7 +7,7 @@ import { cva, type VariantProps } from "class-variance-authority";
 import { cn } from "@/lib/utils";
 
 const toggleVariants = cva(
-  "inline-flex items-center justify-center gap-2 rounded-md text-sm font-medium hover:bg-muted hover:text-muted-foreground disabled:pointer-events-none disabled:opacity-50 data-[state=on]:bg-accent data-[state=on]:text-accent-foreground [&_svg]:pointer-events-none [&_svg:not([class*='size-'])]:size-4 [&_svg]:shrink-0 focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] outline-none transition-[color,box-shadow] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive whitespace-nowrap",
+  "inline-flex items-center justify-center gap-2 rounded-md text-sm font-medium hover:bg-muted hover:text-muted-foreground disabled:pointer-events-none disabled:opacity-50 data-[state=on]:bg-accent data-[state=on]:text-accent-foreground [&_svg]:pointer-events-none [&_svg:not([class*='size-'])]:size-4 [&_svg]:shrink-0 focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] outline-none aria-invalid:ring-destructive/30 aria-invalid:border-destructive whitespace-nowrap",
   {
     variants: {
       variant: {

docker-compose.yml

@@ -1,19 +1,19 @@
 services:
-  app:
+  banking-app:
     build:
       context: .
       dockerfile: Dockerfile
       args:
         - NEXTAUTH_SECRET=${NEXTAUTH_SECRET:-dummy-secret-for-build-only}
         - NEXTAUTH_URL=${NEXTAUTH_URL:-http://localhost:4000}
-        - DATABASE_URL=${DATABASE_URL:-file:./prisma/dev.db}
+        - DATABASE_URL=file:/app/prisma/dev.db
     ports:
       - "4000:3000"
     volumes:
-      - ./prisma:/app/prisma
+      - ${DATA_VOLUME_PATH:-./prisma}:/app/prisma
     environment:
       - NEXTAUTH_SECRET=${NEXTAUTH_SECRET}
       - NEXTAUTH_URL=${NEXTAUTH_URL:-http://localhost:4000}
-      - DATABASE_URL=${DATABASE_URL:-file:./prisma/dev.db}
+      - DATABASE_URL=file:/app/prisma/dev.db
-    env_file:
+    labels:
-      - .env
+      - "com.centurylinklabs.watchtower.enable=false"

hooks/use-local-storage.ts

@@ -0,0 +1,44 @@
+"use client";
+
+import { useState } from "react";
+
+/**
+ * Hook pour gérer la persistance d'une valeur dans le localStorage
+ */
+export function useLocalStorage<T>(
+  key: string,
+  initialValue: T,
+): [T, (value: T | ((val: T) => T)) => void] {
+  // État pour stocker la valeur
+  const [storedValue, setStoredValue] = useState<T>(() => {
+    if (typeof window === "undefined") {
+      return initialValue;
+    }
+    try {
+      const item = window.localStorage.getItem(key);
+      return item ? JSON.parse(item) : initialValue;
+    } catch (error) {
+      console.error(`Error reading localStorage key "${key}":`, error);
+      return initialValue;
+    }
+  });
+
+  // Fonction pour mettre à jour la valeur
+  const setValue = (value: T | ((val: T) => T)) => {
+    try {
+      // Permet d'utiliser une fonction comme setState
+      const valueToStore =
+        value instanceof Function ? value(storedValue) : value;
+
+      setStoredValue(valueToStore);
+
+      if (typeof window !== "undefined") {
+        window.localStorage.setItem(key, JSON.stringify(valueToStore));
+      }
+    } catch (error) {
+      console.error(`Error setting localStorage key "${key}":`, error);
+    }
+  };
+
+  return [storedValue, setValue];
+}

hooks/use-mobile.ts

@@ -4,7 +4,7 @@ const MOBILE_BREAKPOINT = 768;
 
 export function useIsMobile() {
   const [isMobile, setIsMobile] = React.useState<boolean | undefined>(
-    undefined
+    undefined,
   );
 
   React.useEffect(() => {

hooks/use-transaction-mutations.ts

@@ -0,0 +1,366 @@
+"use client";
+
+import { useState, useCallback } from "react";
+import { useQueryClient } from "@tanstack/react-query";
+import type { Transaction } from "@/lib/types";
+import { getTransactionsQueryKey } from "@/lib/hooks";
+import type { TransactionsPaginatedParams } from "@/services/banking.service";
+import { invalidateAllTransactionQueries } from "@/lib/cache-utils";
+
+interface UseTransactionMutationsProps {
+  transactionParams: TransactionsPaginatedParams;
+  transactionsData: { transactions: Transaction[]; total: number } | undefined;
+}
+
+export function useTransactionMutations({
+  transactionParams,
+  transactionsData,
+}: UseTransactionMutationsProps) {
+  const queryClient = useQueryClient();
+  const [updatingTransactionIds, setUpdatingTransactionIds] = useState<
+    Set<string>
+  >(new Set());
+
+  const toggleReconciled = useCallback(
+    async (transactionId: string) => {
+      if (!transactionsData) return;
+
+      const transaction = transactionsData.transactions.find(
+        (t) => t.id === transactionId,
+      );
+      if (!transaction) return;
+
+      const newReconciledState = !transaction.isReconciled;
+      const updatedTransaction = {
+        ...transaction,
+        isReconciled: newReconciledState,
+      };
+
+      // Optimistic cache update
+      const queryKey = getTransactionsQueryKey(transactionParams);
+      const previousData =
+        queryClient.getQueryData<typeof transactionsData>(queryKey);
+
+      queryClient.setQueryData<typeof transactionsData>(queryKey, (oldData) => {
+        if (!oldData) return oldData;
+        return {
+          ...oldData,
+          transactions: oldData.transactions.map((t) =>
+            t.id === transactionId
+              ? { ...t, isReconciled: newReconciledState }
+              : t,
+          ),
+        };
+      });
+
+      try {
+        const response = await fetch("/api/banking/transactions", {
+          method: "PUT",
+          headers: { "Content-Type": "application/json" },
+          body: JSON.stringify(updatedTransaction),
+        });
+
+        if (!response.ok) {
+          throw new Error(`HTTP error! status: ${response.status}`);
+        }
+
+        // TOUJOURS revalider après succès pour garantir la cohérence
+        invalidateAllTransactionQueries(queryClient);
+      } catch (error) {
+        console.error("Failed to update transaction:", error);
+        // Rollback on error
+        if (previousData) {
+          queryClient.setQueryData(queryKey, previousData);
+        }
+        invalidateAllTransactionQueries(queryClient);
+      }
+    },
+    [transactionsData, transactionParams, queryClient],
+  );
+
+  const markReconciled = useCallback(
+    async (transactionId: string) => {
+      if (!transactionsData) return;
+
+      const transaction = transactionsData.transactions.find(
+        (t) => t.id === transactionId,
+      );
+      if (!transaction || transaction.isReconciled) return;
+
+      const updatedTransaction = {
+        ...transaction,
+        isReconciled: true,
+      };
+
+      // Optimistic cache update
+      const queryKey = getTransactionsQueryKey(transactionParams);
+      const previousData =
+        queryClient.getQueryData<typeof transactionsData>(queryKey);
+
+      queryClient.setQueryData<typeof transactionsData>(queryKey, (oldData) => {
+        if (!oldData) return oldData;
+        return {
+          ...oldData,
+          transactions: oldData.transactions.map((t) =>
+            t.id === transactionId ? { ...t, isReconciled: true } : t,
+          ),
+        };
+      });
+
+      try {
+        const response = await fetch("/api/banking/transactions", {
+          method: "PUT",
+          headers: { "Content-Type": "application/json" },
+          body: JSON.stringify(updatedTransaction),
+        });
+
+        if (!response.ok) {
+          throw new Error(`HTTP error! status: ${response.status}`);
+        }
+
+        // TOUJOURS revalider après succès pour garantir la cohérence
+        invalidateAllTransactionQueries(queryClient);
+      } catch (error) {
+        console.error("Failed to update transaction:", error);
+        // Rollback on error
+        if (previousData) {
+          queryClient.setQueryData(queryKey, previousData);
+        }
+        invalidateAllTransactionQueries(queryClient);
+      }
+    },
+    [transactionsData, transactionParams, queryClient],
+  );
+
+  const setCategory = useCallback(
+    async (transactionId: string, categoryId: string | null) => {
+      if (!transactionsData) return;
+
+      const transaction = transactionsData.transactions.find(
+        (t) => t.id === transactionId,
+      );
+      if (!transaction) return;
+
+      setUpdatingTransactionIds((prev) => new Set(prev).add(transactionId));
+
+      // Optimistic cache update
+      const queryKey = getTransactionsQueryKey(transactionParams);
+      const previousData =
+        queryClient.getQueryData<typeof transactionsData>(queryKey);
+
+      queryClient.setQueryData<typeof transactionsData>(queryKey, (oldData) => {
+        if (!oldData) return oldData;
+
+        return {
+          ...oldData,
+          transactions: oldData.transactions.map((t) =>
+            t.id === transactionId ? { ...t, categoryId } : t,
+          ),
+        };
+      });
+
+      try {
+        const response = await fetch("/api/banking/transactions", {
+          method: "PUT",
+          headers: { "Content-Type": "application/json" },
+          body: JSON.stringify({ ...transaction, categoryId }),
+        });
+
+        if (!response.ok) {
+          throw new Error(`HTTP error! status: ${response.status}`);
+        }
+
+        // TOUJOURS revalider après succès pour garantir la cohérence
+        invalidateAllTransactionQueries(queryClient);
+      } catch (error) {
+        console.error("Failed to update transaction:", error);
+        // Rollback on error
+        if (previousData) {
+          queryClient.setQueryData(queryKey, previousData);
+        }
+        invalidateAllTransactionQueries(queryClient);
+      } finally {
+        setUpdatingTransactionIds((prev) => {
+          const next = new Set(prev);
+          next.delete(transactionId);
+          return next;
+        });
+      }
+    },
+    [transactionsData, transactionParams, queryClient],
+  );
+
+  const deleteTransaction = useCallback(
+    async (transactionId: string) => {
+      if (!transactionsData) return;
+
+      // Save current data for rollback
+      const queryKey = getTransactionsQueryKey(transactionParams);
+      const previousData =
+        queryClient.getQueryData<typeof transactionsData>(queryKey);
+
+      // Optimistic cache update
+      queryClient.setQueryData<typeof transactionsData>(queryKey, (oldData) => {
+        if (!oldData) return oldData;
+        return {
+          ...oldData,
+          transactions: oldData.transactions.filter(
+            (t) => t.id !== transactionId,
+          ),
+          total: oldData.total - 1,
+        };
+      });
+
+      try {
+        const response = await fetch(
+          `/api/banking/transactions?id=${transactionId}`,
+          {
+            method: "DELETE",
+          },
+        );
+
+        if (!response.ok) {
+          const errorData = await response.json().catch(() => ({}));
+          throw new Error(
+            errorData.error ||
+              `Failed to delete transaction: ${response.status}`,
+          );
+        }
+
+        // TOUJOURS revalider après succès pour garantir la cohérence
+        invalidateAllTransactionQueries(queryClient);
+      } catch (error) {
+        console.error("Failed to delete transaction:", error);
+        // Rollback on error
+        if (previousData) {
+          queryClient.setQueryData(queryKey, previousData);
+        }
+        invalidateAllTransactionQueries(queryClient);
+      }
+    },
+    [transactionsData, transactionParams, queryClient],
+  );
+
+  const bulkReconcile = useCallback(
+    async (reconciled: boolean, selectedTransactionIds: Set<string>) => {
+      if (!transactionsData) return;
+
+      const transactionsToUpdate = transactionsData.transactions.filter((t) =>
+        selectedTransactionIds.has(t.id),
+      );
+
+      const transactionIds = transactionsToUpdate.map((t) => t.id);
+
+      // Optimistic cache update
+      const queryKey = getTransactionsQueryKey(transactionParams);
+      const previousData =
+        queryClient.getQueryData<typeof transactionsData>(queryKey);
+
+      queryClient.setQueryData<typeof transactionsData>(queryKey, (oldData) => {
+        if (!oldData) return oldData;
+        return {
+          ...oldData,
+          transactions: oldData.transactions.map((t) =>
+            transactionIds.includes(t.id)
+              ? { ...t, isReconciled: reconciled }
+              : t,
+          ),
+        };
+      });
+
+      try {
+        await Promise.all(
+          transactionsToUpdate.map((t) =>
+            fetch("/api/banking/transactions", {
+              method: "PUT",
+              headers: { "Content-Type": "application/json" },
+              body: JSON.stringify({ ...t, isReconciled: reconciled }),
+            }),
+          ),
+        );
+
+        // TOUJOURS revalider après succès pour garantir la cohérence
+        invalidateAllTransactionQueries(queryClient);
+      } catch (error) {
+        console.error("Failed to update transactions:", error);
+        // Rollback on error
+        if (previousData) {
+          queryClient.setQueryData(queryKey, previousData);
+        }
+        invalidateAllTransactionQueries(queryClient);
+      }
+    },
+    [transactionsData, transactionParams, queryClient],
+  );
+
+  const bulkSetCategory = useCallback(
+    async (categoryId: string | null, selectedTransactionIds: Set<string>) => {
+      if (!transactionsData) return;
+
+      const transactionsToUpdate = transactionsData.transactions.filter((t) =>
+        selectedTransactionIds.has(t.id),
+      );
+
+      const transactionIds = transactionsToUpdate.map((t) => t.id);
+      setUpdatingTransactionIds((prev) => {
+        const next = new Set(prev);
+        transactionIds.forEach((id) => next.add(id));
+        return next;
+      });
+
+      // Optimistic cache update
+      const queryKey = getTransactionsQueryKey(transactionParams);
+      const previousData =
+        queryClient.getQueryData<typeof transactionsData>(queryKey);
+
+      queryClient.setQueryData<typeof transactionsData>(queryKey, (oldData) => {
+        if (!oldData) return oldData;
+        return {
+          ...oldData,
+          transactions: oldData.transactions.map((t) =>
+            transactionIds.includes(t.id) ? { ...t, categoryId } : t,
+          ),
+        };
+      });
+
+      try {
+        await Promise.all(
+          transactionsToUpdate.map((t) =>
+            fetch("/api/banking/transactions", {
+              method: "PUT",
+              headers: { "Content-Type": "application/json" },
+              body: JSON.stringify({ ...t, categoryId }),
+            }),
+          ),
+        );
+
+        // TOUJOURS revalider après succès pour garantir la cohérence
+        invalidateAllTransactionQueries(queryClient);
+      } catch (error) {
+        console.error("Failed to update transactions:", error);
+        // Rollback on error
+        if (previousData) {
+          queryClient.setQueryData(queryKey, previousData);
+        }
+        invalidateAllTransactionQueries(queryClient);
+      } finally {
+        setUpdatingTransactionIds((prev) => {
+          const next = new Set(prev);
+          transactionIds.forEach((id) => next.delete(id));
+          return next;
+        });
+      }
+    },
+    [transactionsData, transactionParams, queryClient],
+  );
+
+  return {
+    toggleReconciled,
+    markReconciled,
+    setCategory,
+    deleteTransaction,
+    bulkReconcile,
+    bulkSetCategory,
+    updatingTransactionIds,
+  };
+}

hooks/use-transaction-rules.ts

@@ -0,0 +1,116 @@
+"use client";
+
+import { useState, useMemo, useCallback } from "react";
+import { useQueryClient } from "@tanstack/react-query";
+import type { Transaction, Category } from "@/lib/types";
+import { updateCategory } from "@/lib/store-db";
+import {
+  normalizeDescription,
+  suggestKeyword,
+} from "@/components/rules/constants";
+import {
+  invalidateAllTransactionQueries,
+  invalidateAllCategoryQueries,
+} from "@/lib/cache-utils";
+
+interface UseTransactionRulesProps {
+  transactionsData: { transactions: Transaction[] } | undefined;
+  metadata: {
+    categories: Category[];
+  } | null;
+}
+
+export function useTransactionRules({
+  transactionsData,
+  metadata,
+}: UseTransactionRulesProps) {
+  const queryClient = useQueryClient();
+  const [ruleDialogOpen, setRuleDialogOpen] = useState(false);
+  const [ruleTransaction, setRuleTransaction] = useState<Transaction | null>(
+    null,
+  );
+
+  const handleCreateRule = useCallback((transaction: Transaction) => {
+    setRuleTransaction(transaction);
+    setRuleDialogOpen(true);
+  }, []);
+
+  const ruleGroup = useMemo(() => {
+    if (!ruleTransaction || !transactionsData) return null;
+
+    const normalizedDesc = normalizeDescription(ruleTransaction.description);
+    const similarTransactions = transactionsData.transactions.filter(
+      (t) => normalizeDescription(t.description) === normalizedDesc,
+    );
+
+    if (similarTransactions.length === 0) return null;
+
+    return {
+      key: normalizedDesc,
+      displayName: ruleTransaction.description,
+      transactions: similarTransactions,
+      totalAmount: similarTransactions.reduce((sum, t) => sum + t.amount, 0),
+      suggestedKeyword: suggestKeyword(
+        similarTransactions.map((t) => t.description),
+      ),
+    };
+  }, [ruleTransaction, transactionsData]);
+
+  const handleSaveRule = useCallback(
+    async (ruleData: {
+      keyword: string;
+      categoryId: string;
+      applyToExisting: boolean;
+      transactionIds: string[];
+    }) => {
+      if (!metadata) return;
+
+      // Add keyword to category
+      const category = metadata.categories.find(
+        (c) => c.id === ruleData.categoryId,
+      );
+      if (!category) {
+        throw new Error("Category not found");
+      }
+
+      // Check if keyword already exists
+      const keywordExists = category.keywords.some(
+        (k: string) => k.toLowerCase() === ruleData.keyword.toLowerCase(),
+      );
+
+      if (!keywordExists) {
+        await updateCategory({
+          ...category,
+          keywords: [...category.keywords, ruleData.keyword],
+        });
+      }
+
+      // Apply to existing transactions if requested
+      if (ruleData.applyToExisting) {
+        await Promise.all(
+          ruleData.transactionIds.map((id) =>
+            fetch("/api/banking/transactions", {
+              method: "PUT",
+              headers: { "Content-Type": "application/json" },
+              body: JSON.stringify({ id, categoryId: ruleData.categoryId }),
+            }),
+          ),
+        );
+      }
+
+      // Invalider toutes les queries liées
+      invalidateAllTransactionQueries(queryClient);
+      invalidateAllCategoryQueries(queryClient);
+      setRuleDialogOpen(false);
+    },
+    [metadata, queryClient],
+  );
+
+  return {
+    ruleDialogOpen,
+    setRuleDialogOpen,
+    ruleGroup,
+    handleCreateRule,
+    handleSaveRule,
+  };
+}

hooks/use-transactions-balance-chart.ts

@@ -0,0 +1,328 @@
+"use client";
+
+import { useMemo } from "react";
+import { useTransactions } from "@/lib/hooks";
+import { useBankingMetadata } from "@/lib/hooks";
+import type { TransactionsPaginatedParams } from "@/services/banking.service";
+import type { Account } from "@/lib/types";
+
+interface BalanceChartDataPoint {
+  date: string;
+  [key: string]: string | number;
+}
+
+interface UseTransactionsBalanceChartParams {
+  selectedAccounts: string[];
+  selectedCategories: string[];
+  period: "1month" | "3months" | "6months" | "12months" | "custom" | "all";
+  customStartDate?: Date;
+  customEndDate?: Date;
+  showReconciled: string;
+  searchQuery: string;
+}
+
+export function useTransactionsBalanceChart({
+  selectedAccounts,
+  selectedCategories,
+  period,
+  customStartDate,
+  customEndDate,
+  showReconciled,
+  searchQuery,
+}: UseTransactionsBalanceChartParams) {
+  const { data: metadata } = useBankingMetadata();
+
+  // Calculate start date based on period
+  const startDate = useMemo(() => {
+    const now = new Date();
+    switch (period) {
+      case "1month":
+        return new Date(now.getFullYear(), now.getMonth() - 1, 1);
+      case "3months":
+        return new Date(now.getFullYear(), now.getMonth() - 3, 1);
+      case "6months":
+        return new Date(now.getFullYear(), now.getMonth() - 6, 1);
+      case "12months":
+        return new Date(now.getFullYear(), now.getMonth() - 12, 1);
+      case "custom":
+        return customStartDate || new Date(0);
+      default:
+        return new Date(0);
+    }
+  }, [period, customStartDate]);
+
+  // Calculate end date (only for custom period)
+  const endDate = useMemo(() => {
+    if (period === "custom" && customEndDate) {
+      return customEndDate;
+    }
+    return undefined;
+  }, [period, customEndDate]);
+
+  // Build params for fetching all transactions (no pagination)
+  const chartParams = useMemo<TransactionsPaginatedParams>(() => {
+    const params: TransactionsPaginatedParams = {
+      limit: 10000, // Large limit to get all transactions
+      offset: 0,
+      sortField: "date",
+      sortOrder: "asc", // Ascending for balance calculation
+    };
+
+    if (startDate && period !== "all") {
+      params.startDate = startDate.toISOString().split("T")[0];
+    }
+    if (endDate) {
+      params.endDate = endDate.toISOString().split("T")[0];
+    }
+    if (!selectedAccounts.includes("all")) {
+      params.accountIds = selectedAccounts;
+    }
+    if (!selectedCategories.includes("all")) {
+      if (selectedCategories.includes("uncategorized")) {
+        params.includeUncategorized = true;
+      } else {
+        params.categoryIds = selectedCategories;
+      }
+    }
+    if (searchQuery) {
+      params.search = searchQuery;
+    }
+    if (showReconciled !== "all") {
+      params.isReconciled = showReconciled === "reconciled";
+    }
+
+    return params;
+  }, [
+    startDate,
+    endDate,
+    selectedAccounts,
+    selectedCategories,
+    searchQuery,
+    showReconciled,
+    period,
+  ]);
+
+  // Build params for fetching transactions before startDate (for initial balance)
+  const beforeStartDateParams = useMemo<TransactionsPaginatedParams>(() => {
+    if (period === "all" || !startDate) {
+      return { limit: 0, offset: 0 }; // Don't fetch if no start date
+    }
+
+    const params: TransactionsPaginatedParams = {
+      limit: 10000,
+      offset: 0,
+      sortField: "date",
+      sortOrder: "asc",
+      endDate: new Date(startDate.getTime() - 1).toISOString().split("T")[0], // Day before startDate
+    };
+
+    if (!selectedAccounts.includes("all")) {
+      params.accountIds = selectedAccounts;
+    }
+    if (!selectedCategories.includes("all")) {
+      if (selectedCategories.includes("uncategorized")) {
+        params.includeUncategorized = true;
+      } else {
+        params.categoryIds = selectedCategories;
+      }
+    }
+    if (searchQuery) {
+      params.search = searchQuery;
+    }
+    if (showReconciled !== "all") {
+      params.isReconciled = showReconciled === "reconciled";
+    }
+
+    return params;
+  }, [
+    startDate,
+    selectedAccounts,
+    selectedCategories,
+    searchQuery,
+    showReconciled,
+    period,
+  ]);
+
+  // Fetch transactions before startDate for initial balance calculation
+  const { data: beforeStartDateData } = useTransactions(
+    beforeStartDateParams,
+    !!metadata && period !== "all" && !!startDate,
+  );
+
+  // Fetch all filtered transactions for chart
+  const { data: transactionsData, isLoading } = useTransactions(
+    chartParams,
+    !!metadata,
+  );
+
+  // Calculate balance chart data
+  const chartData = useMemo(() => {
+    if (!transactionsData || !metadata) {
+      return {
+        aggregatedData: [],
+        perAccountData: [],
+      };
+    }
+
+    const transactions = transactionsData.transactions;
+    const accounts = metadata.accounts;
+
+    // Sort transactions by date
+    const sortedTransactions = [...transactions].sort(
+      (a, b) => new Date(a.date).getTime() - new Date(b.date).getTime(),
+    );
+
+    // Calculate starting balance: initialBalance + transactions before startDate
+    let runningBalance = 0;
+    const accountsToUse = selectedAccounts.includes("all")
+      ? accounts
+      : accounts.filter((acc: Account) => selectedAccounts.includes(acc.id));
+
+    // Start with initial balances
+    runningBalance = accountsToUse.reduce(
+      (sum: number, acc: Account) => sum + (acc.initialBalance || 0),
+      0,
+    );
+
+    // Add transactions before startDate if we have them
+    if (beforeStartDateData?.transactions) {
+      const beforeStartTransactions = beforeStartDateData.transactions.filter(
+        (t) => {
+          const transactionDate = new Date(t.date);
+          return transactionDate < startDate;
+        },
+      );
+      beforeStartTransactions.forEach((t) => {
+        runningBalance += t.amount;
+      });
+    }
+
+    const aggregatedBalanceByDate = new Map<string, number>();
+
+    // Calculate balance evolution
+    sortedTransactions.forEach((t) => {
+      runningBalance += t.amount;
+      aggregatedBalanceByDate.set(t.date, runningBalance);
+    });
+
+    const aggregatedBalanceData: BalanceChartDataPoint[] = Array.from(
+      aggregatedBalanceByDate.entries(),
+    ).map(([date, balance]) => ({
+      date: new Date(date).toLocaleDateString("fr-FR", {
+        day: "2-digit",
+        month: "short",
+        year: "numeric",
+      }),
+      solde: Math.round(balance),
+    }));
+
+    // Per account balance calculation
+    const accountBalances = new Map<string, Map<string, number>>();
+    accounts.forEach((account: Account) => {
+      accountBalances.set(account.id, new Map());
+    });
+
+    // Calculate running balance per account
+    const accountRunningBalances = new Map<string, number>();
+    accounts.forEach((account: Account) => {
+      accountRunningBalances.set(account.id, account.initialBalance || 0);
+    });
+
+    // Add transactions before startDate per account
+    if (beforeStartDateData?.transactions) {
+      const beforeStartTransactions = beforeStartDateData.transactions.filter(
+        (t) => {
+          const transactionDate = new Date(t.date);
+          return transactionDate < startDate;
+        },
+      );
+      beforeStartTransactions.forEach((t) => {
+        const currentBalance = accountRunningBalances.get(t.accountId) || 0;
+        accountRunningBalances.set(t.accountId, currentBalance + t.amount);
+      });
+    }
+
+    // Filter transactions by account if needed
+    const transactionsForAccounts = selectedAccounts.includes("all")
+      ? sortedTransactions
+      : sortedTransactions.filter((t) =>
+          selectedAccounts.includes(t.accountId),
+        );
+
+    transactionsForAccounts.forEach((t) => {
+      const currentBalance = accountRunningBalances.get(t.accountId) || 0;
+      const newBalance = currentBalance + t.amount;
+      accountRunningBalances.set(t.accountId, newBalance);
+
+      const accountDates = accountBalances.get(t.accountId);
+      if (accountDates) {
+        accountDates.set(t.date, newBalance);
+      }
+    });
+
+    // Merge all dates and create data points
+    const allDates = new Set<string>();
+    accountBalances.forEach((dates) => {
+      dates.forEach((_, date) => allDates.add(date));
+    });
+
+    const sortedDates = Array.from(allDates).sort();
+    const lastBalances = new Map<string, number>();
+    accounts.forEach((account: Account) => {
+      // Start with initial balance + transactions before startDate
+      let accountStartingBalance = account.initialBalance || 0;
+      if (beforeStartDateData?.transactions) {
+        const beforeStartTransactions = beforeStartDateData.transactions.filter(
+          (t) => {
+            const transactionDate = new Date(t.date);
+            return transactionDate < startDate && t.accountId === account.id;
+          },
+        );
+        beforeStartTransactions.forEach((t) => {
+          accountStartingBalance += t.amount;
+        });
+      }
+      lastBalances.set(account.id, accountStartingBalance);
+    });
+
+    const perAccountBalanceData: BalanceChartDataPoint[] = sortedDates.map(
+      (date) => {
+        const point: BalanceChartDataPoint = {
+          date: new Date(date).toLocaleDateString("fr-FR", {
+            day: "2-digit",
+            month: "short",
+            year: "numeric",
+          }),
+        };
+
+        accounts.forEach((account: Account) => {
+          const accountDates = accountBalances.get(account.id);
+          if (accountDates?.has(date)) {
+            lastBalances.set(account.id, accountDates.get(date)!);
+          }
+          point[account.id] = Math.round(lastBalances.get(account.id) || 0);
+        });
+
+        return point;
+      },
+    );
+
+    return {
+      aggregatedData: aggregatedBalanceData,
+      perAccountData: perAccountBalanceData,
+    };
+  }, [
+    transactionsData,
+    beforeStartDateData,
+    metadata,
+    selectedAccounts,
+    startDate,
+  ]);
+
+  return {
+    aggregatedData: chartData.aggregatedData,
+    perAccountData: chartData.perAccountData,
+    accounts: metadata?.accounts || [],
+    isLoading,
+  };
+}

hooks/use-transactions-chart-data.ts

@@ -0,0 +1,224 @@
+"use client";
+
+import { useMemo } from "react";
+import { useTransactions } from "@/lib/hooks";
+import { useBankingMetadata } from "@/lib/hooks";
+import type { TransactionsPaginatedParams } from "@/services/banking.service";
+import type { Category } from "@/lib/types";
+
+interface MonthlyChartData {
+  month: string;
+  revenus: number;
+  depenses: number;
+  solde: number;
+}
+
+interface CategoryChartData {
+  name: string;
+  value: number;
+  color: string;
+  icon: string;
+  categoryId: string | null;
+}
+
+interface UseTransactionsChartDataParams {
+  selectedAccounts: string[];
+  selectedCategories: string[];
+  period: "1month" | "3months" | "6months" | "12months" | "custom" | "all";
+  customStartDate?: Date;
+  customEndDate?: Date;
+  showReconciled: string;
+  searchQuery: string;
+}
+
+export function useTransactionsChartData({
+  selectedAccounts,
+  selectedCategories,
+  period,
+  customStartDate,
+  customEndDate,
+  showReconciled,
+  searchQuery,
+}: UseTransactionsChartDataParams) {
+  const { data: metadata } = useBankingMetadata();
+
+  // Calculate start date based on period
+  const startDate = useMemo(() => {
+    const now = new Date();
+    switch (period) {
+      case "1month":
+        return new Date(now.getFullYear(), now.getMonth() - 1, 1);
+      case "3months":
+        return new Date(now.getFullYear(), now.getMonth() - 3, 1);
+      case "6months":
+        return new Date(now.getFullYear(), now.getMonth() - 6, 1);
+      case "12months":
+        return new Date(now.getFullYear(), now.getMonth() - 12, 1);
+      case "custom":
+        return customStartDate || new Date(0);
+      default:
+        return new Date(0);
+    }
+  }, [period, customStartDate]);
+
+  // Calculate end date (only for custom period)
+  const endDate = useMemo(() => {
+    if (period === "custom" && customEndDate) {
+      return customEndDate;
+    }
+    return undefined;
+  }, [period, customEndDate]);
+
+  // Build params for fetching all transactions (no pagination)
+  const chartParams = useMemo<TransactionsPaginatedParams>(() => {
+    const params: TransactionsPaginatedParams = {
+      limit: 10000, // Large limit to get all transactions
+      offset: 0,
+      sortField: "date",
+      sortOrder: "asc",
+    };
+
+    if (startDate && period !== "all") {
+      params.startDate = startDate.toISOString().split("T")[0];
+    }
+    if (endDate) {
+      params.endDate = endDate.toISOString().split("T")[0];
+    }
+    if (!selectedAccounts.includes("all")) {
+      params.accountIds = selectedAccounts;
+    }
+    if (!selectedCategories.includes("all")) {
+      if (selectedCategories.includes("uncategorized")) {
+        params.includeUncategorized = true;
+      } else {
+        params.categoryIds = selectedCategories;
+      }
+    }
+    if (searchQuery) {
+      params.search = searchQuery;
+    }
+    if (showReconciled !== "all") {
+      params.isReconciled = showReconciled === "reconciled";
+    }
+
+    return params;
+  }, [
+    startDate,
+    endDate,
+    selectedAccounts,
+    selectedCategories,
+    searchQuery,
+    showReconciled,
+    period,
+  ]);
+
+  // Fetch all filtered transactions for chart
+  const { data: transactionsData, isLoading } = useTransactions(
+    chartParams,
+    !!metadata,
+  );
+
+  // Calculate monthly chart data
+  const monthlyData = useMemo(() => {
+    if (!transactionsData || !metadata) {
+      return [];
+    }
+
+    const transactions = transactionsData.transactions;
+
+    // Monthly breakdown
+    const monthlyMap = new Map<string, { income: number; expenses: number }>();
+    transactions.forEach((t) => {
+      const monthKey = t.date.substring(0, 7);
+      const current = monthlyMap.get(monthKey) || { income: 0, expenses: 0 };
+      if (t.amount >= 0) {
+        current.income += t.amount;
+      } else {
+        current.expenses += Math.abs(t.amount);
+      }
+      monthlyMap.set(monthKey, current);
+    });
+
+    // Format months with year: use short format for better readability
+    const sortedMonths = Array.from(monthlyMap.entries()).sort((a, b) =>
+      a[0].localeCompare(b[0]),
+    );
+
+    const monthlyChartData: MonthlyChartData[] = sortedMonths.map(
+      ([monthKey, values]) => {
+        const date = new Date(monthKey + "-01");
+
+        // Format: "janv. 24" instead of "janv. 2024" for compactness
+        const monthLabel = date.toLocaleDateString("fr-FR", {
+          month: "short",
+        });
+        const yearShort = date.getFullYear().toString().slice(-2);
+
+        return {
+          month: `${monthLabel} ${yearShort}`,
+          revenus: values.income,
+          depenses: values.expenses,
+          solde: values.income - values.expenses,
+        };
+      },
+    );
+
+    return monthlyChartData;
+  }, [transactionsData, metadata]);
+
+  // Calculate category chart data (expenses only)
+  const categoryData = useMemo(() => {
+    if (!transactionsData || !metadata) {
+      return [];
+    }
+
+    const transactions = transactionsData.transactions;
+    const categoryTotals = new Map<string, number>();
+
+    transactions
+      .filter((t) => t.amount < 0)
+      .forEach((t) => {
+        const catId = t.categoryId || "uncategorized";
+        const current = categoryTotals.get(catId) || 0;
+        categoryTotals.set(catId, current + Math.abs(t.amount));
+      });
+
+    const categoryChartData: CategoryChartData[] = Array.from(
+      categoryTotals.entries(),
+    )
+      .map(([categoryId, total]) => {
+        const category = metadata.categories.find(
+          (c: Category) => c.id === categoryId,
+        );
+        return {
+          name: category?.name || "Non catégorisé",
+          value: Math.round(total),
+          color: category?.color || "#94a3b8",
+          icon: category?.icon || "HelpCircle",
+          categoryId: categoryId === "uncategorized" ? null : categoryId,
+        };
+      })
+      .sort((a, b) => b.value - a.value);
+
+    return categoryChartData;
+  }, [transactionsData, metadata]);
+
+  // Calculate total amount and count from all filtered transactions
+  const totalAmount = useMemo(() => {
+    if (!transactionsData) return 0;
+    return transactionsData.transactions.reduce((sum, t) => sum + t.amount, 0);
+  }, [transactionsData]);
+
+  const totalCount = useMemo(() => {
+    return transactionsData?.total || 0;
+  }, [transactionsData?.total]);
+
+  return {
+    monthlyData,
+    categoryData,
+    isLoading,
+    totalAmount,
+    totalCount,
+    transactions: transactionsData?.transactions || [],
+  };
+}

hooks/use-transactions-for-account-filter.ts

@@ -0,0 +1,108 @@
+"use client";
+
+import { useMemo } from "react";
+import { useTransactions } from "@/lib/hooks";
+import { useBankingMetadata } from "@/lib/hooks";
+import type { TransactionsPaginatedParams } from "@/services/banking.service";
+
+interface UseTransactionsForAccountFilterParams {
+  selectedCategories: string[];
+  period: "1month" | "3months" | "6months" | "12months" | "custom" | "all";
+  customStartDate?: Date;
+  customEndDate?: Date;
+  showReconciled: string;
+  searchQuery: string;
+}
+
+/**
+ * Hook to fetch transactions filtered by categories, period, search, reconciled
+ * but NOT by accounts. Used for displaying account totals in account filter.
+ */
+export function useTransactionsForAccountFilter({
+  selectedCategories,
+  period,
+  customStartDate,
+  customEndDate,
+  showReconciled,
+  searchQuery,
+}: UseTransactionsForAccountFilterParams) {
+  const { data: metadata } = useBankingMetadata();
+
+  // Calculate start date based on period
+  const startDate = useMemo(() => {
+    const now = new Date();
+    switch (period) {
+      case "1month":
+        return new Date(now.getFullYear(), now.getMonth() - 1, 1);
+      case "3months":
+        return new Date(now.getFullYear(), now.getMonth() - 3, 1);
+      case "6months":
+        return new Date(now.getFullYear(), now.getMonth() - 6, 1);
+      case "12months":
+        return new Date(now.getFullYear(), now.getMonth() - 12, 1);
+      case "custom":
+        return customStartDate || new Date(0);
+      default:
+        return new Date(0);
+    }
+  }, [period, customStartDate]);
+
+  // Calculate end date (only for custom period)
+  const endDate = useMemo(() => {
+    if (period === "custom" && customEndDate) {
+      return customEndDate;
+    }
+    return undefined;
+  }, [period, customEndDate]);
+
+  // Build params for fetching all transactions (no pagination, no account filter)
+  const filterParams = useMemo<TransactionsPaginatedParams>(() => {
+    const params: TransactionsPaginatedParams = {
+      limit: 10000, // Large limit to get all transactions
+      offset: 0,
+      sortField: "date",
+      sortOrder: "asc",
+    };
+
+    if (startDate && period !== "all") {
+      params.startDate = startDate.toISOString().split("T")[0];
+    }
+    if (endDate) {
+      params.endDate = endDate.toISOString().split("T")[0];
+    }
+    // NOTE: We intentionally don't filter by accounts here
+    if (!selectedCategories.includes("all")) {
+      if (selectedCategories.includes("uncategorized")) {
+        params.includeUncategorized = true;
+      } else {
+        params.categoryIds = selectedCategories;
+      }
+    }
+    if (searchQuery) {
+      params.search = searchQuery;
+    }
+    if (showReconciled !== "all") {
+      params.isReconciled = showReconciled === "reconciled";
+    }
+
+    return params;
+  }, [
+    startDate,
+    endDate,
+    selectedCategories,
+    searchQuery,
+    showReconciled,
+    period,
+  ]);
+
+  // Fetch all filtered transactions (without account filter)
+  const { data: transactionsData, isLoading } = useTransactions(
+    filterParams,
+    !!metadata,
+  );
+
+  return {
+    transactions: transactionsData?.transactions || [],
+    isLoading,
+  };
+}