.container {
            max-width: 1200px;
            margin: 0 auto;
            background: white;
            border-radius: 10px;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }
        
        header {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            color: white;
            padding: 30px;
            text-align: center;
        }
        
        h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
        }
        
        .subtitle {
            font-size: 1.1rem;
            opacity: 0.9;
        }
        
        .tool-container {
            display: flex;
            flex-wrap: wrap;
            padding: 20px;
            gap: 20px;
        }
        
        .input-section, .output-section {
            flex: 1;
            min-width: 300px;
        }
        
        .section-title {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: #444;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .char-count {
            font-size: 0.9rem;
            color: #666;
        }
        
        textarea {
            width: 100%;
            height: 300px;
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-family: 'Courier New', monospace;
            font-size: 14px;
            resize: vertical;
            transition: border-color 0.3s;
        }
        
        textarea:focus {
            outline: none;
            border-color: #6a11cb;
            box-shadow: 0 0 0 2px rgba(106, 17, 203, 0.2);
        }
        
        .controls {
            display: flex;
            justify-content: space-between;
            margin: 20px 0;
            flex-wrap: wrap;
            gap: 10px;
        }
        
        .action-buttons {
            display: flex;
            gap: 10px;
        }
        
        button {
            padding: 10px 20px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
        }
        
        .btn-beautify {
            background-color: #4CAF50;
            color: white;
        }
        
        .btn-purify {
            background-color: #2196F3;
            color: white;
        }
        
        .btn-minify {
            background-color: #FF9800;
            color: white;
        }
        
        .btn-copy {
            background-color: #9C27B0;
            color: white;
        }
        
        button:hover {
            opacity: 0.9;
            transform: translateY(-2px);
        }
        
        .stats {
            background-color: #f8f9fa;
            padding: 15px;
            border-radius: 5px;
            margin-top: 20px;
            display: none;
        }
        
        .stats.active {
            display: block;
        }
        
        .stats p {
            margin: 5px 0;
        }
        
        .saved {
            color: #4CAF50;
            font-weight: bold;
        }
        
        footer {
            text-align: center;
            padding: 20px;
            color: #666;
            border-top: 1px solid #eee;
            margin-top: 20px;
        }
        
        @media (max-width: 768px) {
            .tool-container {
                flex-direction: column;
            }
            
            .action-buttons {
                flex-direction: column;
            }
        }