* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', sans-serif;
            background: #040924 ;
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .container {
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            max-width: 500px;
            width: 100%;
            text-align: center;
        }

        h1 {
            font-size: 28px;
            margin-bottom: 10px;
            color: #333;
        }

        .subtitle {
            color: #666;
            margin-bottom: 30px;
            font-size: 14px;
        }

        .ip-display {
            background: #040924 ;
            color: white;
            padding: 30px;
            border-radius: 15px;
            margin-bottom: 25px;
        }

        .ip-label {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 1px;
            opacity: 0.9;
            margin-bottom: 10px;
        }

        .ip-address {
            font-size: 32px;
            font-weight: bold;
            font-family: 'Courier New', monospace;
            margin-bottom: 15px;
        }

        .loading {
            font-size: 18px;
            opacity: 0.8;
        }

        .info-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-top: 20px;
        }

        .info-card {
            background: #f7f7f7;
            padding: 20px;
            border-radius: 10px;
            text-align: left;
        }

        .info-label {
            font-size: 11px;
            text-transform: uppercase;
            color: #999;
            letter-spacing: 0.5px;
            margin-bottom: 5px;
        }

        .info-value {
            font-size: 16px;
            font-weight: 600;
            color: #333;
        }

        .refresh-btn {
            background: #040924 ;
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 25px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            margin-top: 20px;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .refresh-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(66, 75, 116, 0.4);
        }

        .refresh-btn:active {
            transform: translateY(0);
        }

        .error {
            color: #e74c3c;
            font-size: 14px;
            margin-top: 10px;
        }

        @media (max-width: 500px) {
            .container {
                padding: 30px 20px;
            }

            .ip-address {
                font-size: 24px;
            }

            .info-grid {
                grid-template-columns: 1fr;
            }
        }