feat: offline pages mode

src/components/ui/NetworkStatus.tsx

@@ -0,0 +1,17 @@
+"use client";
+
+import { useNetworkStatus } from "@/hooks/useNetworkStatus";
+import { WifiOff } from "lucide-react";
+
+export function NetworkStatus() {
+  const isOnline = useNetworkStatus();
+
+  if (isOnline) return null;
+
+  return (
+    <div className="fixed bottom-4 left-4 z-[100] flex items-center gap-2 rounded-lg bg-destructive px-4 py-2 text-sm text-destructive-foreground shadow-lg">
+      <WifiOff className="h-4 w-4" />
+      <span>Hors ligne</span>
+    </div>
+  );
+}