Yanz mini Shell

<?php
// page-not-found.php
http_response_code(404);
?>
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>404 - Page Not Found (<?=$subdomain?>)</title>
  <style>
    body {
      font-family: Arial, sans-serif;
      background: #f8f9fa;
      color: #333;
      text-align: center;
      padding: 50px;
    }
    .error-container {
      max-width: 600px;
      margin: auto;
    }
    h1 {
      font-size: 80px;
      margin: 0;
      color: #e74c3c;
    }
    h2 {
      font-size: 24px;
      margin: 10px 0 20px;
    }
    p {
      font-size: 18px;
      margin-bottom: 30px;
    }
    a {
      display: inline-block;
      padding: 12px 25px;
      font-size: 16px;
      text-decoration: none;
      background: #3498db;
      color: #fff;
      border-radius: 5px;
      transition: background 0.3s;
    }
    a:hover {
      background: #2980b9;
    }
  </style>
</head>
<body>
  <div class="error-container">
    <h1>404</h1>
    <h2>Oops! Page Not Found</h2>
    <p>The page <?=$subdomain?> you are looking for might have been removed,<br>had its name changed, or is temporarily unavailable.</p>
    <a href="https://www.delhigal.com">Go Back Home</a>
  </div>
</body>
</html>

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