5057;
            font-family: 'Courier New', monospace;
            background: #fff;
            padding: 4px 8px;
            border-radius: 4px;
            border: 1px solid #dee2e6;
        }
        
        .badge-custom {
            background: var(--vietmap-accent);
            color: white;
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 12px;
        }
        
        .footer {
            text-align: center;
            margin-top: 40px;
            colo