:root {
            --primary: #4285f4;
            --secondary: #34a853;
            --danger: #ea4335;
            --bg: #f8f9fa;
            --text: #333;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
       
        
        .container {
            max-width: 800px;
            margin: 30px auto;
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        h1 {
            text-align: center;
            color: var(--primary);
            margin-bottom: 15px;
        }
        
        .description {
            text-align: center;
            margin-bottom: 25px;
            color: #666;
        }
        
        .upload-area {
            border: 2px dashed #ccc;
            border-radius: 8px;
            padding: 30px;
            text-align: center;
            margin-bottom: 25px;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .upload-area:hover {
            border-color: var(--primary);
            background: #f5f9ff;
        }
        
        #fileInput {
            display: none;
        }
        
        .preview {
            display: flex;
            justify-content: center;
            margin-bottom: 25px;
            gap: 30px;
            flex-wrap: wrap;
        }
        
        .image-box {
            text-align: center;
        }
        
        .image-box img {
            max-width: 100%;
            max-height: 300px;
            border: 1px solid #eee;
            border-radius: 5px;
        }
        
        .image-box p {
            margin-top: 10px;
            font-size: 14px;
            color: #666;
        }
        
        .controls {
            margin-bottom: 25px;
        }
        
        .control-group {
            margin-bottom: 15px;
        }
        
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        
        input[type="range"], 
        input[type="number"], 
        select {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 5px;
        }
        
        .btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            transition: background 0.3s;
            width: 100%;
        }
        
        .btn:hover {
            background-color: #3367d6;
        }
        
        .btn-download {
            background-color: var(--secondary);
            margin-top: 10px;
        }
        
        .btn-download:hover {
            background-color: #2d9248;
        }
        
        .hidden {
            display: none;
        }
        
        @media (max-width: 600px) {
            .container {
                padding: 20px;
            }
            
            .preview {
                flex-direction: column;
                align-items: center;
            }
        }