Heb er een PWA van gemaakt en layout gecorrigeerd

app/api/auth/login/route.ts

@@ -0,0 +1,26 @@
+import { NextResponse } from "next/server";
+import { SESSION_COOKIE } from "@/lib/auth";
+
+export async function POST(request: Request) {
+  const body = await request.json().catch(() => null);
+
+  if (body?.username !== "admin" || body?.password !== "admin") {
+    return NextResponse.json(
+      { error: "invalid_credentials" },
+      { status: 401 },
+    );
+  }
+
+  const response = NextResponse.json({ success: true });
+  response.cookies.set({
+    name: SESSION_COOKIE,
+    value: "authenticated",
+    httpOnly: true,
+    sameSite: "lax",
+    secure: process.env.NODE_ENV === "production",
+    maxAge: 60 * 60 * 8,
+    path: "/",
+  });
+
+  return response;
+}