<!DOCTYPE html>
<html>
<head>
    <title>404 - Page Not Found</title>
    <style>
        body { font-family: monospace; margin: 40px; }
        .header { margin-bottom: 20px; }
        .header a { text-decoration: none; color: #2c3e50; }
        .error-container { text-align: center; padding: 40px; }
        .back-button { 
            display: inline-block;
            margin-top: 20px;
            padding: 8px 16px;
            background-color: #f8f9fa;
            border: 1px solid #2c3e50;
            color: #2c3e50;
            text-decoration: none;
            border-radius: 4px;
        }
        .back-button:hover {
            background-color: #e9ecef;
        }
    </style>
</head>
<body>
    <div class="error-container">
        <h1>404 - Page Not Found</h1>
        <p>The file or page you're looking for doesn't exist.</p>
        <a href="{{ url_for('index') }}" class="back-button">← Back to Home</a>
    </div>
</body>
</html> 