<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>404 — Page Not Found</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
    <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css" rel="stylesheet">
    <style>
        body { background: #f4f6fc; display: flex; align-items: center; justify-content: center; min-height: 100vh; font-family: Inter, sans-serif; }
        .err-icon { font-size: 5rem; color: #3b82f6; }
        .err-code { font-size: 7rem; font-weight: 800; color: #e9ecef; line-height: 1; }
    </style>
</head>
<body>
<div class="text-center p-4">
    <div class="err-code">404</div>
    <div class="err-icon mt-n3"><i class="bi bi-compass"></i></div>
    <h1 class="fw-800 mt-3">Page Not Found</h1>
    <p class="text-secondary">The page you're looking for doesn't exist or has been moved.</p>
    <a href="javascript:history.back()" class="btn btn-outline-secondary me-2"><i class="bi bi-arrow-left me-1"></i>Go Back</a>
    <a href="<?= APP_URL ?>/dashboard" class="btn" style="background:#f97316;color:#fff;">Dashboard</a>
</div>
</body>
</html>
