<!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</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: Arial, sans-serif;
            background-color: #f5f5f5;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 20px;
        }

        .error-container {
            text-align: center;
            background-color: white;
            padding: 60px 40px;
            border: 2px solid #333;
            border-radius: 8px;
            max-width: 600px;
        }

        h1 {
            font-size: 120px;
            color: #333;
            margin-bottom: 20px;
        }

        h2 {
            font-size: 32px;
            color: #333;
            margin-bottom: 15px;
        }

        p {
            font-size: 16px;
            color: #666;
            margin-bottom: 30px;
            line-height: 1.6;
        }

        .button {
            display: inline-block;
            padding: 12px 30px;
            background-color: #333;
            color: white;
            text-decoration: none;
            border-radius: 4px;
            font-size: 16px;
            transition: background-color 0.3s ease;
        }

        .button:hover {
            background-color: #555;
        }
    </style>
</head>
<body>
    <div class="error-container">
        <h1>404</h1>
        <h2>Page Not Found</h2>
        <p>Sorry, the page you're looking for doesn't exist or has been moved.</p>
        <a href="/" class="button">Go Home</a>
        <a href="/quiz" class="button" style="margin-left: 10px;">Start Quiz</a>
    </div>
</body>
</html>
