feat: revamp global styles and component designs with enhanced gradients, shadows, and responsive layouts for a modern fintech aesthetic

app/transactions/page.tsx

@@ -465,9 +465,9 @@ export default function TransactionsPage() {
         description={`${totalTransactions} transaction${totalTransactions > 1 ? "s" : ""}`}
         actions={
           <OFXImportDialog onImportComplete={invalidateAll}>
-            <Button>
-              <Upload className="w-4 h-4 mr-2" />
-              Importer OFX
+            <Button className="md:h-10 md:px-5">
+              <Upload className="w-4 h-4 md:mr-2" />
+              <span className="hidden md:inline">Importer OFX</span>
             </Button>
           </OFXImportDialog>
         }