custom 404 page

src/components/NotFoundView.tsx

@@ -0,0 +1,21 @@
+import { Link } from "@tanstack/react-router";
+
+const NotFoundView = () => {
+	return (
+		<div className="flex min-h-[calc(100vh-194px)] flex-col items-center justify-center p-6">
+			<div className="relative flex max-w-md flex-col items-center text-center">
+				<h1 className="text-2xl font-bold tracking-tight mb-4 text-(--accent)">
+					The page you are looking for does not exist.
+				</h1>
+
+				<div className="flex w-full gap-3 justify-center">
+					<Link to="/" className="btn btn-primary">
+						Go Home
+					</Link>
+				</div>
+			</div>
+		</div>
+	);
+};
+
+export default NotFoundView;

src/routes/__root.tsx

@@ -6,6 +6,7 @@ import { ToastContainer } from "react-toastify";
 import GenericErrorView from "#/components/GenericErrorView.tsx";
 import LoadingView from "#/components/LoadingView.tsx";
 import { MatomoAnalytics } from "#/components/MatomoAnalytics.tsx";
+import NotFoundView from "#/components/NotFoundView.tsx";
 import { LichessUserProvider } from "#/context/LichessUserContext.tsx";
 import Footer from "../components/Footer";
 import Header from "../components/Header";
@@ -47,6 +48,7 @@ export const Route = createRootRoute({
 	shellComponent: RootDocument,
 	errorComponent: ({ error }) => <GenericErrorView error={error} />,
 	pendingComponent: () => <LoadingView />,
+	notFoundComponent: () => <NotFoundView />,
 });
 
 function RootDocument({ children }: { children: ReactNode }) {