body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #0f172a;
            color: white;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
            text-align: center;
        }
        .container {
            border: 1px solid #1e293b;
            padding: 2rem;
            border-radius: 1rem;
            background: #1e293b;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }
        h1 { font-size: 2.5rem; margin-bottom: 0.5rem; color: #38bdf8; }
        p { font-size: 1.2rem; color: #94a3b8; }
        .badge {
            display: inline-block;
            background: #0ea5e9;
            color: white;
            padding: 0.2rem 0.8rem;
            border-radius: 9999px;
            font-size: 0.8rem;
            text-transform: uppercase;
            font-weight: bold;
            margin-bottom: 1rem;
        }