<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Not Found — Gmind Institute</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.2/css/all.min.css">
    <style>
        body {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            font-family: 'Segoe UI', Tahoma, sans-serif;
        }
        .verify-card {
            background: #fff;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
            padding: 50px 40px;
            max-width: 600px;
            margin: 80px auto;
            text-align: center;
        }
        .error-icon {
            font-size: 80px;
            color: #dc3545;
            margin-bottom: 20px;
        }
        .btn-primary {
            background: #6c3fe8; border: none; padding: 12px 30px;
            border-radius: 10px; font-weight: 600;
        }
    </style>
</head>
<body>
    <div class="verify-card">
        <i class="fas fa-times-circle error-icon"></i>
        <h2 class="mb-3">Document Not Found</h2>
        <p class="text-muted mb-4">
            No certificate or marksheet found with number:<br>
            <strong><?= htmlspecialchars($docNumber) ?></strong>
        </p>
        <p class="text-muted small mb-4">
            Please check the document number and try again. If you believe this is an error, contact Gmind Institute.
        </p>
        <a href="<?= BASE_PATH ?>/verify" class="btn btn-primary">
            <i class="fas fa-arrow-left"></i> Try Again
        </a>
    </div>
</body>
</html>
