Concept ui

src/app/not-found.tsx

@@ -0,0 +1,28 @@
+"use client";
+
+import { useEffect } from "react";
+
+const NotFound = () => {
+  useEffect(() => {
+    console.error(
+      "404 Error: User attempted to access non-existent route:",
+      location.pathname
+    );
+  }, [location.pathname]);
+
+  return (
+    <div className="flex min-h-screen items-center justify-center bg-muted">
+      <div className="text-center">
+        <h1 className="mb-4 text-4xl font-bold">404</h1>
+        <p className="mb-4 text-xl text-muted-foreground">
+          Oops! Page not found
+        </p>
+        <a href="/" className="text-primary underline hover:text-primary/90">
+          Return to Home
+        </a>
+      </div>
+    </div>
+  );
+};
+
+export default NotFound;