/* Converter Specific Styles */

/* Converter Tools Grid */
.converter-tools {
    margin-bottom: 40px;
}

.converter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

/* Converter Card */
.converter-card {
    background: var(--bg-primary);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
    margin-top: 50px;
}

.converter-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: left var(--transition-normal);
}

.converter-card:hover::before {
    left: 0;
}

.converter-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Converter Header */
.converter-header {
    padding: 32px 24px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-light);
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
}

.converter-icon {
    font-size: 48px;
    margin-bottom: 16px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.converter-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.converter-header p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
}

/* Converter Body */
.converter-body {
    padding: 24px;
}

/* Upload Area */
.upload-area {
    border: 3px dashed var(--border-medium);
    border-radius: 16px;
    padding: 40px 20px;
    text-align: center;
    background: var(--bg-secondary);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.upload-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(245, 57, 57, 0.05), transparent);
    transition: left var(--transition-slow);
}

.upload-area:hover::before {
    left: 100%;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(245, 57, 57, 0.02);
    transform: scale(1.02);
}

.upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(245, 57, 57, 0.05);
    transform: scale(1.02);
}

.upload-icon {
    font-size: 32px;
    margin-bottom: 16px;
    color: var(--primary-color);
    opacity: 0.8;
}

.upload-area p {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 16px;
}

.file-types {
    color: var(--text-secondary);
    font-size: 14px;
    background: var(--bg-primary);
    padding: 6px 12px;
    border-radius: 8px;
    display: inline-block;
    margin-top: 8px;
}

/* Multi Upload */
.upload-area.multi-upload {
    border-style: solid;
    border-width: 2px;
}

.upload-area.multi-upload:hover {
    border-style: dashed;
    border-width: 3px;
}

/* Files List */
.files-list {
    margin: 16px 0;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-light);
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    background: var(--bg-primary);
    border-radius: 8px;
    margin-bottom: 8px;
    border: 1px solid var(--border-light);
    transition: all var(--transition-fast);
}

.file-item:last-child {
    margin-bottom: 0;
}

.file-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

/* Sortable file items */
.file-item.sortable {
    cursor: move;
    user-select: none;
}

.file-item.sortable:hover {
    border-color: var(--primary-color);
    background: rgba(245, 57, 57, 0.05);
}

.file-item.dragging {
    opacity: 0.5;
    transform: rotate(5deg);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

.drag-handle {
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: bold;
    cursor: grab;
    padding: 0 8px;
    transition: color var(--transition-fast);
}

.drag-handle:active {
    cursor: grabbing;
}

.file-item:hover .drag-handle {
    color: var(--primary-color);
}

.file-order {
    background: var(--primary-color);
    color: white;
    font-size: 12px;
    font-weight: bold;
    padding: 4px 8px;
    border-radius: 12px;
    min-width: 28px;
    text-align: center;
}

.sort-instruction {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
    padding: 8px 12px;
    background: rgba(245, 57, 57, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(245, 57, 57, 0.1);
}

.merge-controls {
    margin-top: 16px;
    text-align: center;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
}

.file-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.file-icon {
    font-size: 20px;
    color: var(--primary-color);
    opacity: 0.9;
}

.file-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.file-size {
    color: var(--text-secondary);
    font-size: 12px;
}

.remove-file {
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all var(--transition-fast);
}

.remove-file:hover {
    background: #dc2626;
    transform: scale(1.1);
}

/* Progress Area */
.progress-area {
    text-align: center;
    padding: 32px 20px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border-light);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 16px;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: progress-shimmer 2s infinite;
}

@keyframes progress-shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-text {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 16px;
}

/* Result Area */
.result-area {
    text-align: center;
    padding: 32px 20px;
}

.result-icon {
    font-size: 48px;
    margin-bottom: 16px;
    color: var(--success-color);
    animation: bounce 0.6s ease-in-out;
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% { transform: translate3d(0,0,0); }
    40%, 43% { transform: translate3d(0,-20px,0); }
    70% { transform: translate3d(0,-10px,0); }
    90% { transform: translate3d(0,-4px,0); }
}

.result-message {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 18px;
    margin-bottom: 24px;
}

.result-area .btn {
    margin: 0 8px 8px 8px;
    min-width: 120px;
}

/* Page Specification Area */
.page-spec-area {
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 12px;
    margin: 16px 0;
}

.page-spec-area label {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 8px;
}

.page-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-light);
    border-radius: 8px;
    font-size: 14px;
    transition: all var(--transition-normal);
    background: var(--bg-primary);
    color: var(--text-primary);
    margin-bottom: 16px;
}

.page-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(245, 57, 57, 0.1);
}

.page-input::placeholder {
    color: var(--text-tertiary);
}

/* Quality Area */
.quality-area {
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 12px;
    margin: 16px 0;
}

.quality-area label {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 8px;
}

.quality-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-light);
    border-radius: 8px;
    font-size: 14px;
    transition: all var(--transition-normal);
    background: var(--bg-primary);
    color: var(--text-primary);
    margin-bottom: 16px;
    cursor: pointer;
}

.quality-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(245, 57, 57, 0.1);
}

/* Image Options Area */
.image-options-area {
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 12px;
    margin: 16px 0;
}

.option-group {
    margin-bottom: 16px;
}

.option-group:last-child {
    margin-bottom: 0;
}

.option-group label {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 8px;
}

/* Error States */
.error-area {
    text-align: center;
    padding: 32px 20px;
    background: rgba(239, 68, 68, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.error-icon {
    font-size: 48px;
    margin-bottom: 16px;
    color: var(--danger-color);
    opacity: 0.9;
}

.error-message {
    color: var(--danger-color);
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 24px;
}

/* Loading States */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--text-white);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Button States */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn.processing {
    position: relative;
    overflow: hidden;
}

.btn.processing::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: button-shimmer 1.5s infinite;
}

@keyframes button-shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Responsive Design */
@media (max-width: 768px) {
    .converter-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        margin: 0 16px;
    }
    
    .tool-card {
        margin: 0;
        padding: 20px;
    }
    
    .converter-header {
        padding: 24px 20px 16px;
    }
    
    .converter-icon {
        font-size: 40px;
        height: 60px;
    }
    
    .converter-header h3 {
        font-size: 20px;
    }
    
    .converter-body {
        padding: 20px;
    }
    
    .upload-area {
        padding: 32px 16px;
    }
    
    .upload-icon {
        font-size: 28px;
        color: var(--primary-color);
        opacity: 0.8;
    }
    
    .upload-area p {
        font-size: 14px;
    }
    
    .result-area .btn {
        display: block;
        width: 100%;
        margin: 8px 0;
    }
}

@media (max-width: 480px) {
    .tools-grid {
        margin: 0 8px;
        gap: 12px;
    }
    
    .tool-card {
        padding: 16px;
    }
    
    .converter-header {
        padding: 20px 16px 12px;
    }
    
    .converter-icon {
        font-size: 32px;
        height: 50px;
    }
    
    .converter-header h3 {
        font-size: 18px;
    }
    
    .converter-header p {
        font-size: 13px;
    }
    
    .converter-body {
        padding: 16px;
    }
    
    .upload-area {
        padding: 24px 12px;
    }
    
    .upload-area p {
        font-size: 13px;
    }
    
    .file-types {
        font-size: 12px;
        padding: 4px 8px;
    }
    
    .result-icon {
        font-size: 40px;
    }
    
    .result-message {
        font-size: 16px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .progress-fill::after,
    .btn.processing::after {
        animation: none;
    }
    
    .result-icon {
        animation: none;
    }
}

/* File Input Wrapper */
.file-input-wrapper {
    position: relative;
    margin: 20px 0;
}

.file-input-wrapper input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-input-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    background: var(--bg-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
    min-height: 120px;
}

.file-input-label:hover {
    border-color: var(--primary-color);
    background: rgba(var(--primary-rgb), 0.05);
    transform: translateY(-2px);
}

.file-input-label i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.file-input-label span {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.1rem;
}

/* File Info Display */
.file-info {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 16px;
    margin-top: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.file-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.file-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.file-size {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Conversion Options */
.conversion-options {
    margin: 24px 0;
    padding: 24px;
    background: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--border-light);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.conversion-options:hover {
    box-shadow: 0 8px 15px -3px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.conversion-options h6 {
    margin: 0 0 20px 0;
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.conversion-options h6::before {
    content: "⚙️";
    font-size: 1.1rem;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.option-group {
    margin-bottom: 20px;
    padding: 16px;
    background: var(--bg-primary);
    border-radius: 12px;
    border: 1px solid var(--border-light);
    transition: all 0.2s ease;
}

.option-group:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.option-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
}

.format-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-light);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.2s ease;
    cursor: pointer;
}

.format-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.quality-slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--border-light);
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.quality-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease;
}

.quality-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.quality-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    padding: 8px 0;
    transition: all 0.2s ease;
}

.checkbox-label:hover {
    color: var(--primary-color);
}

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

.checkmark {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.option-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.option-item .form-label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
    margin: 0;
}

.option-item .form-select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: border-color var(--transition-normal);
}

.option-item .form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(var(--primary-rgb), 0.2);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin: 24px 0;
    flex-wrap: wrap;
}

.action-buttons .btn {
    min-width: 140px;
    padding: 12px 24px;
    font-weight: 600;
    border-radius: 8px;
    transition: all var(--transition-normal);
}

.action-buttons .btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Progress Container */
.progress-container {
    text-align: center;
    padding: 40px 20px;
}

.progress-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.progress-container h4 {
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 1.3rem;
}

.progress-container p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border-light);
    border-radius: 3px;
    overflow: hidden;
    margin: 0 auto;
    max-width: 300px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
    animation: progressAnimation 2s ease-in-out infinite;
}

@keyframes progressAnimation {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

/* Success Container */
.success-container {
    text-align: center;
    padding: 40px 20px;
}

.success-icon {
    font-size: 4rem;
    color: #10b981;
    margin-bottom: 20px;
}

.success-container h4 {
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 1.4rem;
}

.success-container p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.result-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Error Container */
.error-container {
    text-align: center;
    padding: 40px 20px;
}

.error-icon {
    font-size: 4rem;
    color: #ef4444;
    margin-bottom: 20px;
}

.error-container h4 {
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 1.4rem;
}

.error-container p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* Responsive Design for New Elements */
@media (max-width: 768px) {
    .file-input-label {
        padding: 30px 15px;
        min-height: 100px;
    }
    
    .file-input-label i {
        font-size: 2rem;
    }
    
    .file-input-label span {
        font-size: 1rem;
    }
    
    .options-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .action-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .action-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .result-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .result-actions .btn {
        width: 100%;
        max-width: 250px;
    }
}

/* File Selected Area */
.file-selected-area {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 20px;
    margin: 16px 0;
    display: none;
}

.file-selected-area .file-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding: 16px;
    background: var(--bg-primary);
    border-radius: 8px;
    border: 1px solid var(--border-light);
}

.file-selected-area .file-icon {
    font-size: 24px;
    color: var(--primary-color);
}

.file-selected-area .file-details h5 {
    margin: 0 0 4px 0;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
}

.file-selected-area .file-details p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 14px;
}

/* Progress Indicator */
.progress-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 20px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-light);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

.progress-percentage {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 14px;
}

/* Tool Info */
.tool-info {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border-light);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.info-card {
    text-align: center;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-light);
    transition: all var(--transition-normal);
}

.info-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.info-card .info-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.info-card h5 {
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.info-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
}

/* Warning Info */
.warning-info {
    margin: 16px 0;
}

.warning-info .alert {
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid rgba(245, 158, 11, 0.2);
    background: rgba(245, 158, 11, 0.05);
    color: #92400e;
    font-size: 14px;
}

/* Supported Formats */
.supported-formats {
    margin: 20px 0;
}

.supported-formats .btn {
    width: 100%;
    text-align: left;
    padding: 12px 16px;
    border: 1px solid var(--border-light);
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 8px;
    transition: all var(--transition-normal);
}

.supported-formats .btn:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
}

.supported-formats .collapse {
    margin-top: 12px;
}

.supported-formats .collapse .bg-light {
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 16px;
}

.supported-formats .collapse p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 8px;
}

.supported-formats .collapse ul {
    margin: 0;
    padding-left: 20px;
}

.supported-formats .collapse li {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 4px;
}

/* Image Tools Specific Styles */
.images-preview {
    margin: 16px 0;
    padding: 16px;
    background: var(--bg-primary);
    border-radius: 8px;
    border: 1px solid var(--border-light);
}

.preview-header h6 {
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

.drag-instruction {
    color: var(--text-secondary);
    font-size: 12px;
    margin: 0;
}

.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 8px;
    margin-top: 12px;
}

.image-preview-item {
    position: relative;
    border-radius: 6px;
    overflow: hidden;
    border: 2px solid var(--border-light);
    transition: all var(--transition-normal);
    cursor: move;
}

.image-preview-item:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.image-preview-item img {
    width: 100%;
    height: 60px;
    object-fit: cover;
    display: block;
}

.image-preview-item .remove-image {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Compression/Conversion Options */
.compression-method-tabs,
.resize-method-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-light);
}

.tab-btn {
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-normal);
}

.tab-btn.active,
.tab-btn:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    margin-bottom: 20px;
}

.quality-controls,
.size-controls,
.percentage-controls,
.auto-optimize-controls {
    margin-bottom: 20px;
}

.quality-group,
.size-group,
.percentage-group {
    margin-bottom: 16px;
}

.quality-range,
.percentage-range {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--border-light);
    outline: none;
    -webkit-appearance: none;
}

.quality-range::-webkit-slider-thumb,
.percentage-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
}

.quality-presets,
.size-presets {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.preset-quality-btn,
.preset-size-btn {
    padding: 6px 12px;
    border: 1px solid var(--border-light);
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.preset-quality-btn.active,
.preset-quality-btn:hover,
.preset-size-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.advanced-options {
    margin-top: 20px;
    border-top: 1px solid var(--border-light);
    padding-top: 20px;
}

.advanced-header {
    margin-bottom: 16px;
}

.advanced-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-light);
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.advanced-toggle:hover {
    background: var(--bg-secondary);
}

.toggle-icon {
    transition: transform var(--transition-normal);
}

.advanced-toggle.active .toggle-icon {
    transform: rotate(180deg);
}

.advanced-content {
    margin-top: 12px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    margin-bottom: 12px;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-light);
    border-radius: 4px;
    position: relative;
    transition: all var(--transition-normal);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.radio-label input[type="radio"] {
    display: none;
}

.radio-custom {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-light);
    border-radius: 50%;
    position: relative;
    transition: all var(--transition-normal);
}

.radio-label input[type="radio"]:checked + .radio-custom {
    border-color: var(--primary-color);
}

.radio-label input[type="radio"]:checked + .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary-color);
}

/* Format Tabs */
.format-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.format-tab {
    padding: 8px 16px;
    border: 1px solid var(--border-light);
    background: var(--bg-primary);
    color: var(--text-secondary);
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.format-tab.active,
.format-tab:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Language Selection */
.language-select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-light);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
}

.language-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(245, 57, 57, 0.2);
}

/* Extraction Results */
.extraction-results {
    margin: 20px 0;
}

.results-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-light);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 12px;
    margin-bottom: 4px;
}

.stat-value {
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
}

.text-output {
    margin-top: 20px;
}

.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.output-header h6 {
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    margin: 0;
}

.output-actions {
    display: flex;
    gap: 8px;
}

.text-content textarea {
    width: 100%;
    min-height: 120px;
    padding: 12px;
    border: 1px solid var(--border-light);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    resize: vertical;
}

.text-content textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(245, 57, 57, 0.2);
}

/* Responsive Design for Image Tools */
@media (max-width: 768px) {
    .info-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .compression-method-tabs,
    .resize-method-tabs {
        flex-direction: column;
        gap: 4px;
    }
    
    .tab-btn {
        text-align: left;
        border-bottom: none;
        border-left: 2px solid transparent;
    }
    
    .tab-btn.active,
    .tab-btn:hover {
        border-bottom-color: transparent;
        border-left-color: var(--primary-color);
    }
    
    .quality-presets,
    .size-presets {
        flex-direction: column;
    }
    
    .preset-quality-btn,
    .preset-size-btn {
        text-align: center;
    }
    
    .results-stats {
        flex-direction: column;
        gap: 12px;
    }
    
    .output-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .output-actions {
        width: 100%;
        justify-content: center;
    }
}