<!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>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
    <style>
        body {
            background: linear-gradient(135deg, #006747 0%, #004225 100%);
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Segoe UI', sans-serif;
        }
        .error-card {
            background: white;
            border-radius: 20px;
            padding: 50px;
            text-align: center;
            max-width: 500px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.2);
        }
        .error-code {
            font-size: 120px;
            font-weight: 700;
            color: #ffc107;
            line-height: 1;
            margin-bottom: 20px;
        }
        .error-title {
            font-size: 24px;
            color: #333;
            margin-bottom: 20px;
        }
        .btn-home {
            background: #006747;
            color: white;
            padding: 12px 30px;
            border-radius: 10px;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s;
        }
        .btn-home:hover {
            background: #004225;
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,103,71,0.3);
        }
    </style>
</head>
<body>
    <div class="error-card">
        <div class="error-code">404</div>
        <div class="error-title">Page Not Found</div>
        <p class="text-muted mb-4">The page you are looking for doesn't exist.</p>
        <a href="<?= APP_URL ?>/" class="btn-home">Go to Home</a>
    </div>
</body>
</html>