:root {
            --primary: #4d6dfd;
            --secondary:#4d6dfd;
            --accent:#4d6dfd;
            --light: #f8f9fa;
            --dark: #2d3436;
            --success: #00b894;
            --warning: #fdcb6e;
            --danger: #d63031;
            --gray: #636e72;
            --card-bg: #ffffff;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Poppins', sans-serif;
            background-color: #f5f6fa;
            color: var(--dark);
            line-height: 1.6;
            min-height: 100vh;
            padding: 20px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        header {
            text-align: center;
            margin-bottom: 30px;
            padding: 20px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 10px;
        }

        .logo i {
            color: var(--primary);
            font-size: 2rem;
            margin-right: 10px;
        }

        h1 {
            color: var(--primary);
            font-size: 2rem;
        }

        .tagline {
            color: var(--gray);
            font-size: 1rem;
            max-width: 500px;
            margin: 0 auto;
        }

        .tool-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
        }

        .card {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            flex: 1;
            min-width: 300px;
            max-width: 550px;
            transition: transform 0.3s ease;
        }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
        }

        .card-title {
            color: var(--primary);
            margin-bottom: 20px;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
        }

        .card-title i {
            margin-right: 10px;
        }

        .drop-area {
            border: 2px dashed var(--secondary);
            border-radius: 10px;
            padding: 30px 20px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s;
            margin-bottom: 20px;
            background: rgba(108, 92, 231, 0.05);
        }

        .drop-area.highlight {
            border-color: var(--primary);
            background: rgba(108, 92, 231, 0.1);
        }

        .file-input {
            display: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: white;
            padding: 12px 24px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 500;
            transition: all 0.3s;
            box-shadow: 0 4px 10px rgba(108, 92, 231, 0.3);
        }

        .btn:hover {
            background: var(--secondary);
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(108, 92, 231, 0.4);
        }

        .btn:active {
            transform: translateY(0);
        }

        .btn i {
            margin-right: 8px;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            box-shadow: none;
        }

        .btn-outline:hover {
            background: rgba(108, 92, 231, 0.1);
        }

        .controls {
            margin-top: 20px;
        }

        .control-group {
            margin-bottom: 20px;
        }

        .control-group h3 {
            margin-bottom: 15px;
            color: var(--primary);
            font-size: 1.1rem;
            display: flex;
            align-items: center;
        }

        .control-group h3 i {
            margin-right: 10px;
            font-size: 1rem;
        }

        .slider-container {
            margin-bottom: 15px;
        }

        .slider-container label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            display: flex;
            justify-content: space-between;
        }

        input[type="range"] {
            width: 100%;
            height: 8px;
            -webkit-appearance: none;
            background: #dfe6e9;
            border-radius: 5px;
            outline: none;
        }

        input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 18px;
            height: 18px;
            background: var(--primary);
            border-radius: 50%;
            cursor: pointer;
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
        }

        .checkbox-group {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }

        .checkbox-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .checkbox-item input[type="checkbox"] {
            width: 18px;
            height: 18px;
            accent-color: var(--primary);
            cursor: pointer;
        }

        .checkbox-item label {
            cursor: pointer;
        }

        .preview-container {
            text-align: center;
            margin-bottom: 20px;
            min-height: 200px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }

        .preview-image {
            max-width: 100%;
            max-height: 250px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            display: none;
        }

        .file-info {
            background: rgba(108, 92, 231, 0.05);
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 20px;
            border: 1px solid rgba(108, 92, 231, 0.1);
        }

        .file-info p {
            margin: 8px 0;
            display: flex;
            justify-content: space-between;
        }

        .file-info strong {
            color: var(--primary);
        }

        .progress-container {
            margin-top: 20px;
            display: none;
        }

        .progress-bar {
            height: 10px;
            background: #dfe6e9;
            border-radius: 5px;
            overflow: hidden;
            margin-bottom: 10px;
        }

        .progress {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            width: 0%;
            transition: width 0.4s;
            border-radius: 5px;
        }

        .status {
            font-size: 0.9rem;
            color: var(--gray);
            text-align: center;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .status i {
            margin-right: 8px;
        }

        .result-section {
            margin-top: 20px;
            text-align: center;
            display: none;
        }

        .stats {
            display: flex;
            justify-content: space-between;
            margin-bottom: 20px;
            gap: 10px;
        }

        .stat-item {
            background: rgba(108, 92, 231, 0.05);
            padding: 15px;
            border-radius: 8px;
            flex: 1;
            text-align: center;
            border: 1px solid rgba(108, 92, 231, 0.1);
        }

        .stat-value {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.8rem;
            color: var(--gray);
        }

        footer {
            text-align: center;
            margin-top: 40px;
            padding: 20px 0;
            color: var(--gray);
            font-size: 0.9rem;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .tool-wrapper {
                flex-direction: column;
            }
            
            .card {
                min-width: 100%;
            }
            
            .stats {
                flex-direction: column;
                gap: 10px;
            }
            
            h1 {
                font-size: 1.8rem;
            }
            
            .btn {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
        }

        /* Animation */
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        .pulse {
            animation: pulse 1.5s infinite;
        }