body {
            font-family: 'Poppins', sans-serif;
            margin: 0;
            background: #f5f7fa;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            text-align: center;
        }
        .message-box {
            background: white;
            padding: 2.5rem 3rem;
            border-radius: 16px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
        }
        h1 {
            color: #1e40af;
            font-size: 1.8rem;
            margin-bottom: 1rem;
        }
        p {
            font-size: 1rem;
            color: #374151;
        }
        .highlight {
            color: #f59e0b;
            font-weight: 600;
        }