<!DOCTYPE html>
<html lang="id">
<head>
<meta charset="UTF-8">
<title>404 - Halaman Tidak Ditemukan</title>
<style>
  body { font-family: sans-serif; background:#0b0d10; color:#f6f4ee; display:flex; align-items:center; justify-content:center; height:100vh; margin:0; text-align:center; }
  h1 { font-size:64px; margin-bottom:0; color:#2f6fed; }
  a { color:#5b8ff9; }
</style>
</head>
<body>
<div>
  <h1>404</h1>
  <p>Halaman yang Anda cari tidak ditemukan.</p>
  <a href="<?= defined('APP_URL') ? APP_URL : '/' ?>/">Kembali ke Beranda</a>
</div>
</body>
</html>
