* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #1a2a6c, #0d472a, #1a2a6c);
            min-height: 100vh;
            padding: 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            color: white;
            transition: background 0.5s ease;
        }
        
        .lang-switcher {
            position: absolute;
            top: 20px;
            left: 20px;
            z-index: 100;
        }
        
        .lang-btn {
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(10px);
            border: none;
            border-radius: 30px;
            padding: 10px 20px;
            color: white;
            font-weight: bold;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        }
        
        .lang-btn:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }
        
        .header {
            text-align: center;
            margin: 20px 0;
            width: 100%;
            padding-top: 40px;
        }
        
        .header h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }
        
        .header p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.6;
            color: #e0e0e0;
        }
        
        .container {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            max-width: 1200px;
            width: 100%;
            justify-content: center;
            margin: 20px 0;
        }
        
        .upload-section {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 25px;
            width: 100%;
            max-width: 500px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .upload-area {
            border: 3px dashed rgba(255, 255, 255, 0.4);
            border-radius: 10px;
            padding: 40px 20px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s;
            margin-bottom: 25px;
            position: relative;
            height: 250px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }
        
        .upload-area:hover {
            border-color: #4da0ff;
            background: rgba(255, 255, 255, 0.05);
        }
        
        .upload-area i {
            font-size: 4rem;
            margin-bottom: 15px;
            color: #4da0ff;
        }
        
        .upload-area p {
            font-size: 1.1rem;
            margin-bottom: 15px;
        }
        
        .upload-btn {
            background: linear-gradient(to right, #4da0ff, #5c7cfa);
            color: white;
            border: none;
            padding: 12px 30px;
            font-size: 1.1rem;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s;
            font-weight: bold;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .upload-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
        }
        
        .controls {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 25px;
            width: 100%;
            max-width: 500px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .control-group {
            margin-bottom: 20px;
        }
        
        .control-group label {
            display: block;
            margin-bottom: 10px;
            font-size: 1.1rem;
        }
        
        .slider-container {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .slider {
            flex: 1;
            height: 10px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 5px;
            outline: none;
            -webkit-appearance: none;
        }
        
        .slider::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 25px;
            height: 25px;
            border-radius: 50%;
            background: #4da0ff;
            cursor: pointer;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
        }
        
        .value-display {
            width: 50px;
            text-align: center;
            font-weight: bold;
            font-size: 1.2rem;
        }
        
        .direction-buttons {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 10px;
        }
        
        .dir-btn {
            flex: 1;
            min-width: 100px;
            padding: 10px;
            background: rgba(255, 255, 255, 0.1);
            border: 2px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            color: white;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 1rem;
        }
        
        .dir-btn:hover, .dir-btn.active {
            background: rgba(77, 160, 255, 0.5);
            border-color: #4da0ff;
        }
        
        .action-buttons {
            display: flex;
            gap: 15px;
            margin-top: 25px;
        }
        
        .action-btn {
            flex: 1;
            padding: 15px;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        
        .apply-btn {
            background: linear-gradient(to right, #00c853, #00b248);
            color: white;
        }
        
        .download-btn {
            background: linear-gradient(to right, #ff416c, #ff4b2b);
            color: white;
        }
        
        .action-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }
        
        .action-btn:hover:not(:disabled) {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }
        
        .preview-container {
            width: 100%;
            margin-top: 30px;
            text-align: center;
        }
        
        .preview-title {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }
        
        .canvas-container {
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        
        .canvas-box {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 10px;
            padding: 15px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .canvas-box h3 {
            margin-bottom: 10px;
            color: #4da0ff;
        }
        
        canvas {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            background: rgba(0, 0, 0, 0.2);
        }
        
        .instructions {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 25px;
            max-width: 1000px;
            margin: 30px auto;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .instructions h2 {
            text-align: center;
            margin-bottom: 20px;
            color: #4da0ff;
        }
        
        .steps {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
        }
        
        .step {
            background: rgba(77, 160, 255, 0.2);
            border-radius: 10px;
            padding: 20px;
            flex: 1;
            min-width: 250px;
            text-align: center;
        }
        
        .step i {
            font-size: 2.5rem;
            margin-bottom: 15px;
            color: #4da0ff;
        }
        
        .step h3 {
            margin-bottom: 10px;
        }
        
        .footer {
            text-align: center;
            margin-top: 30px;
            padding: 20px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
        }
        
        @media (max-width: 768px) {
            .container {
                flex-direction: column;
                align-items: center;
            }
            
            .upload-section, .controls {
                max-width: 100%;
            }
            
            .action-buttons {
                flex-direction: column;
            }
            
            .lang-switcher {
                top: 10px;
                left: 10px;
            }
        }