.container {
            width: 100%;
            max-width: 800px;
            background: white;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 40px;
            margin-top: 20px;
        }
        
        header {
            text-align: center;
            margin-bottom: 30px;
        }
        
        h1 {
            color: #2c3e50;
            margin-bottom: 10px;
            font-weight: 600;
        }
        
        .subtitle {
            color: #7f8c8d;
            font-size: 16px;
        }
        
        .search-box {
            display: flex;
            margin-bottom: 30px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
            border-radius: 12px;
            overflow: hidden;
        }
        
        .search-input {
            flex: 1;
            padding: 16px 20px;
            border: none;
            background: #f8f9fa;
            font-size: 16px;
            outline: none;
            transition: background 0.3s;
        }
        
        .search-input:focus {
            background: #fff;
        }
        
        .search-btn {
            padding: 0 30px;
            background: #3498db;
            color: white;
            border: none;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            transition: background 0.3s;
        }
        
        .search-btn:hover {
            background: #2980b9;
        }
        
        .result-container {
            display: none;
            margin-top: 20px;
            animation: fadeIn 0.5s ease;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .result-header {
            background: #2c3e50;
            color: white;
            padding: 15px 20px;
            border-radius: 8px 8px 0 0;
            font-weight: 600;
        }
        
        .result-body {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 0 0 8px 8px;
        }
        
        .info-item {
            display: flex;
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eaeaea;
        }
        
        .info-item:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        
        .info-label {
            width: 120px;
            font-weight: 600;
            color: #7f8c8d;
        }
        
        .info-value {
            flex: 1;
            color: #2c3e50;
        }
        
        .loading {
            display: none;
            text-align: center;
            padding: 20px;
        }
        
        .spinner {
            border: 4px solid rgba(0, 0, 0, 0.1);
            border-left-color: #3498db;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            animation: spin 1s linear infinite;
            margin: 0 auto 15px;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        
        .error-message {
            display: none;
            background: #e74c3c;
            color: white;
            padding: 15px;
            border-radius: 8px;
            margin-top: 20px;
            text-align: center;
        }
        
        .example {
            margin-top: 30px;
            color: #7f8c8d;
            font-size: 14px;
            text-align: center;
        }
        
        .example span {
            color: #3498db;
            cursor: pointer;
            text-decoration: underline;
        }
        
        footer {
            margin-top: 40px;
            text-align: center;
            color: #7f8c8d;
            font-size: 14px;
        }
        
        @media (max-width: 600px) {
            .container {
                padding: 25px 20px;
            }
            
            .search-box {
                flex-direction: column;
            }
            
            .search-input {
                border-radius: 8px 8px 0 0;
            }
            
            .search-btn {
                border-radius: 0 0 8px 8px;
                padding: 12px;
            }
            
            .info-item {
                flex-direction: column;
            }
            
            .info-label {
                width: 100%;
                margin-bottom: 5px;
            }
        }