:root {
            --primary-color: #3498db;
            --success-color: #2ecc71;
            --warning-color: #f39c12;
            --danger-color: #e74c3c;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
            --border-radius: 8px;
            --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
		.container {
            max-width: 800px;
            margin: 0 auto;
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            overflow: hidden;
        }
        
        header {
            background: linear-gradient(135deg, var(--primary-color), #2980b9);
            color: white;
            padding: 30px 20px;
            text-align: center;
        }
        
        h1 {
            font-size: 2.2rem;
            margin-bottom: 10px;
            color: #FFFFFF;
        }
        
        .subtitle {
            font-size: 1rem;
            opacity: 0.9;
        }
        
        .main-content {
            padding: 30px;
        }
        
        .input-section {
            margin-bottom: 30px;
        }
        
        .url-input {
            display: flex;
            gap: 10px;
            margin-bottom: 15px;
        }
        
        input[type="url"] {
            flex: 1;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-size: 16px;
            transition: border-color 0.3s;
        }
        
        input[type="url"]:focus {
            border-color: var(--primary-color);
            outline: none;
            box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
        }
        
        button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: var(--border-radius);
            padding: 12px 25px;
            font-size: 16px;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        
        button:hover {
            background-color: #2980b9;
        }
        
        button:disabled {
            background-color: #95a5a6;
            cursor: not-allowed;
        }
        
        .loading {
            display: none;
            text-align: center;
            margin: 20px 0;
        }
        
        .spinner {
            border: 4px solid rgba(0, 0, 0, 0.1);
            border-left-color: var(--primary-color);
            border-radius: 50%;
            width: 30px;
            height: 30px;
            animation: spin 1s linear infinite;
            margin: 0 auto 10px;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        
        .result-section {
            display: none;
            margin-top: 30px;
            animation: fadeIn 0.5s ease;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        .result-card {
            background-color: var(--light-color);
            border-radius: var(--border-radius);
            padding: 20px;
            margin-bottom: 20px;
        }
        
        .result-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .status-badge {
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: bold;
        }
        
        .status-yes {
            background-color: var(--success-color);
            color: white;
        }
        
        .status-no {
            background-color: var(--danger-color);
            color: white;
        }
        
        .result-details {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 15px;
        }
        
        .detail-item {
            background: white;
            padding: 15px;
            border-radius: var(--border-radius);
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
        }
        
        .detail-label {
            font-size: 14px;
            color: #666;
            margin-bottom: 5px;
        }
        
        .detail-value {
            font-weight: bold;
            font-size: 16px;
        }
        
        .compression-method {
            grid-column: 1 / -1;
        }
        
        .error-message {
            display: none;
            background-color: #ffeaa7;
            color: #d35400;
            padding: 15px;
            border-radius: var(--border-radius);
            margin-top: 20px;
        }
        
        footer {
            text-align: center;
            padding: 20px;
            color: #7f8c8d;
            font-size: 14px;
            border-top: 1px solid #eee;
        }
        
        @media (max-width: 600px) {
            .url-input {
                flex-direction: column;
            }
            
            .result-details {
                grid-template-columns: 1fr;
            }
        }