:root {
            --primary: #2a89e3;
            --secondary: #2a89e3;
            --dark: #2d3436;
            --light: #f5f6fa;
            --success: #00b894;
            --danger: #d63031;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Poppins', sans-serif;
        }
        
        body {
            background-color: var(--light);
            color: var(--dark);
            min-height: 100vh;
            padding: 2rem;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        h1 {
            text-align: center;
            margin-bottom: 2rem;
            color: var(--primary);
            font-weight: 600;
        }
        
        .app-description {
            text-align: center;
            margin-bottom: 2rem;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
            color: var(--dark);
            opacity: 0.8;
        }
        
        .card {
            background: white;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 2rem;
            margin-bottom: 2rem;
        }
        
        .upload-area {
            border: 2px dashed var(--secondary);
            border-radius: 12px;
            padding: 3rem 2rem;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-bottom: 2rem;
        }
        
        .upload-area:hover {
            border-color: var(--primary);
            background: rgba(108, 92, 231, 0.05);
        }
        
        .upload-area i {
            font-size: 3rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }
        
        .upload-area p {
            margin-bottom: 1rem;
        }
        
        #fileInput {
            display: none;
        }
        
        .btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        
        .btn:hover {
            background:#2a89e3;color:#fff;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(108, 92, 231, 0.3);
        }
        
        .btn i {
            margin-right: 0.5rem;
        }
        
        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        
        .btn-outline:hover {
            background: var(--primary);
            color: white;
        }
        
        .btn-danger {
            background: var(--danger);
        }
        
        .btn-danger:hover {
            background: #c0392b;
        }
        
        .controls {
            display: flex;
            gap: 1rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
            justify-content: center;
        }
        
        .image-container {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: center;
            margin-top: 2rem;
        }
        
        .image-box {
            flex: 1;
            min-width: 300px;
            max-width: 100%;
        }
        
        .image-box h3 {
            margin-bottom: 1rem;
            color: var(--primary);
        }
        
        .image-preview {
            width: 100%;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            display: block;
        }
        
        .loading {
            display: none;
            text-align: center;
            margin: 2rem 0;
        }
        
        .loading-spinner {
            width: 50px;
            height: 50px;
            border: 5px solid var(--secondary);
            border-top-color: var(--primary);
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin: 0 auto 1rem;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        
        .options {
            display: flex;
            gap: 1rem;
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }
        
        .option-group {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        label {
            cursor: pointer;
        }
        
        input[type="range"] {
            width: 200px;
        }
        
        .download-btn {
            display: none;
            margin-top: 1rem;
            width: 100%;
        }
        
        footer {
            text-align: center;
            margin-top: 3rem;
            color: var(--dark);
            opacity: 0.6;
            font-size: 0.9rem;
        }
        
        @media (max-width: 768px) {
            .image-container {
                flex-direction: column;
            }
            
            .controls {
                flex-direction: column;
                align-items: center;
            }
            .image-box{
                margin-bottom: 200px;
            }
        }