:root {
            --primary-color: #4a6fa5;
            --secondary-color: #6e9de4;
            --success-color: #4CAF50;
            --warning-color: #ff9800;
            --error-color: #f44336;
            --light-bg: #f8f9fa;
            --dark-bg: #343a40;
            --text-light: #f8f9fa;
            --text-dark: #212529;
            --border-color: #dee2e6;
        }
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            margin: 0;
            /*padding: 20px;*/
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            color: #333;
            line-height: 1.6;
        }
        
        .container {
            max-width: 1200px;
            margin: 20px auto;
            background-color: #fff;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        
        /*header {*/
        /*    text-align: center;*/
        /*    margin-bottom: 30px;*/
        /*    padding-bottom: 20px;*/
        /*    border-bottom: 1px solid var(--border-color);*/
        /*}*/
        .main-header {
        
            background: none !important;
            padding: 0!important;
                box-shadow: 0 0px 0px rgba(0, 0, 0, 0.0) !important;
        }
        
        .logo {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
            margin-bottom: 15px;
        }
        
        .logo i {
            font-size: 2.5rem;
            color: var(--primary-color);
        }
        
        h1 {
            color: var(--primary-color);
            font-size: 2.5rem;
            margin-bottom: 5px;
        }
        
        .subtitle {
            color: #666;
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto 20px;
        }
        
        h3 {
            color: var(--primary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-color);
        }
          .setting-group > label , .toggle-header > span{
            color: var(--primary-color);
            font-weight: bold;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #444;
        }
        
        input[type="file"] {
            display: block;
            width: 100%;
            padding: 12px;
            margin-bottom: 20px;
            border: 2px dashed var(--border-color);
            border-radius: 8px;
            background-color: var(--light-bg);
            transition: all 0.3s ease;
            cursor: pointer;
        }
        
        input[type="file"]:hover {
            border-color: var(--secondary-color);
            background-color: #f0f5ff;
        }
        
        input[type="number"],
        input[type="range"],
        select {
            width: calc(100% - 10px);
            padding: 10px;
            margin-bottom: 15px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            background-color: #fff;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        
        input[type="number"]:focus,
        select:focus {
            border-color: var(--secondary-color);
            outline: none;
            box-shadow: 0 0 0 3px rgba(110, 157, 228, 0.2);
        }
        
        button {
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 12px 25px;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            transition: all 0.3s ease;
            /*box-shadow: 0 4px 6px rgba(74, 111, 165, 0.2);*/
        }
        
        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 10px rgba(74, 111, 165, 0.3);
        }
        
        button:active {
            transform: translateY(0);
        }
        
        .preview-item {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 8px;
            background-color: #fff;
            transition: all 0.3s ease;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }
        
        .preview-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .file-info {
            flex: 1;
            min-width: 200px;
        }
        
        .status-container {
            min-width: 150px;
            text-align: center;
        }
        
        .status-text {
            font-weight: bold;
            margin-right: 10px;
        }
        
        .status-Processing {
            color: var(--warning-color);
        }
        
        .status-finished {
            color: var(--success-color);
        }
        
        .status-error {
            color: var(--error-color);
        }
        
        .action-buttons {
            display: flex;
            gap: 10px;
        }
        
        .download-btn {
            background-color: var(--success-color);
            color: white;
            padding: 8px 15px;
            border-radius: 6px;
            text-decoration: none;
            display: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .download-btn:hover {
            background-color: #3d8b40;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(76, 175, 80, 0.3);
        }
        
        .spinner {
            border: 2px solid #f3f3f3;
            border-top: 2px solid var(--secondary-color);
            border-radius: 50%;
            width: 16px;
            height: 16px;
            animation: spin 1s linear infinite;
            display: inline-block;
            vertical-align: middle;
            margin-left: 5px;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .setting-row {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-bottom: 15px;
        }
        
        .setting-group {
            flex: 1;
            min-width: 200px;
        }
        
        .settings-gear {
            cursor: pointer;
            color: #666;
            font-size: 1.3rem;
            transition: all 0.3s ease;
            padding: 8px;
            border-radius: 50%;
            background-color: #f0f5ff;
        }
        
        .settings-gear:hover {
            color: var(--primary-color);
            transform: rotate(45deg) scale(1.1);
            background-color: #e4edff;
        }
        
        .settings-popup {
            display: none;
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: white;
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 15px 50px rgba(0,0,0,0.2);
            z-index: 1000;
            width: 85%;
            max-width: 650px;
            max-height: 90vh;
            overflow-y: auto;
        }
        
        .settings-popup-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.6);
            z-index: 999;
        }
        
        .close-popup {
            position: absolute;
            top: 15px;
            right: 15px;
            cursor: pointer;
            font-size: 1.8rem;
            color: #666;
            transition: color 0.3s;
        }
        
        .close-popup:hover {
            color: #000;
        }
        
        .ratio-dependent-options {
            margin-top: 15px;
            padding-top: 15px;
            border-top: 1px solid var(--border-color);
        }
        
        #global-settings {
            margin-top: 30px;
            padding: 25px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background-color: var(--light-bg);
            box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
        }
        
        .resize-type-description {
            font-size: 0.9em;
            color: #555;
            margin-top: 8px;
            line-height: 1.4;
        }
        
        .dimension-info {
            font-size: 0.9em;
            color: #555;
        }
        
        .use-original {
            color: var(--success-color);
            font-weight: bold;
        }
        
        .btn-container {
            display: flex;
            gap: 15px;
            margin-top: 25px;
            flex-wrap: wrap;
        }
        
        .btn-secondary {
            background: linear-gradient(to right, #6c757d, #5a6268);
        }
        
        .btn-secondary:hover {
            background: linear-gradient(to right, #5a6268, #4e555b);
        }
        
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        
        .feature-card {
            background: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            text-align: center;
            transition: transform 0.3s ease;
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
        }
        
        .feature-card i {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        
        .feature-card h4 {
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        
        .instructions {
            background: white;
            padding: 25px;
            border-radius: 8px;
            margin: 30px 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        
        .instructions ol {
            padding-left: 20px;
            margin-top: 15px;
        }
        
        .instructions li {
            margin-bottom: 10px;
            line-height: 1.6;
        }
        
        footer {
            text-align: center;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            color: #666;
            font-size: 0.9rem;
        }
        
        .progress-bar {
            height: 6px;
            background-color: #e0e0e0;
            border-radius: 3px;
            margin-top: 10px;
            overflow: hidden;
        }
        
        .progress {
            height: 100%;
            background-color: var(--secondary-color);
            width: 0%;
            transition: width 0.4s ease;
        }
        
        .size-constraint {
            background-color: #fff8e1;
            padding: 15px;
            border-radius: 8px;
            margin-top: 15px;
            border-left: 4px solid #ffc107;
        }
        
        @media (max-width: 768px) {
            .container {
                padding: 20px;
            }
            
            .setting-row {
                flex-direction: column;
                gap: 10px;
            }
            
            .btn-container {
                flex-direction: column;
            }
            
            .preview-item {
                flex-wrap: wrap;
            }
            
            .status-container {
                min-width: 100%;
                margin-top: 10px;
            }
        }
        
        /*customm css =====  */
        .toggle-content{
          background: #eee;
    padding : 10px;
    border: 1px solid #ccc;
        }
        
        /*toggle css */
           .toggle-header {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  background: #eee;
  padding: 10px;
  border: 1px solid #ccc;
}

.arrow {
  transition: transform 0.3s ease;
}

.arrow.up {
  transform: rotate(180deg); /* Rotates down arrow to look like up */
}