.tools-parent-container .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.tools-parent-container .header {
    text-align: center;
    margin-bottom: 40px;
    color: white;
    background-color: #1e1e1e;
    background-image: none;
    padding: calc(0.5 * var(--fs-12-24) );
    border-radius: 6px;
}

.tools-parent-container .header h1 {
    font-size: var(--fs-16-32);
    margin-bottom: 10px;
    font-weight: 700;
}

.tools-parent-container .header p {
    font-size: var(--fs-12-24);
    opacity: 0.9;
}

.tools-parent-container .main-content {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    display: flow-root;
}

.tools-parent-container .upload-section {
    margin-bottom: 30px;
}

.tools-parent-container .upload-area {
    border: 3px dashed #ddd;
    border-radius: 15px;
    padding: 60px 20px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    background: #fafafa;
}

.tools-parent-container .upload-area:hover {
    background: #de94067a;
    border-color: #1e1e1e;
}

.tools-parent-container .upload-area.dragover {
    background: linear-gradient(135deg, #e8f2ff, #f0f4ff);
    border-color: #667eea;
    border-style: solid;
    transform: scale(1.02);
}

.tools-parent-container .upload-area.dragover .upload-icon {
    animation: bounce 0.6s ease-in-out infinite alternate;
}

@keyframes bounce {
    from {
        transform: translateY(0px);
    }

    to {
        transform: translateY(-10px);
    }
}

.tools-parent-container .upload-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    min-height: 4rem;
    line-height: 1;
}

.tools-parent-container .upload-area h3 {
    color: #de9406;
    font-size: var(--fs-12-24);

}

.tools-parent-container .upload-area p {
    color: #666;
    margin-bottom: 20px;
    font-size: var(--fs-12-20);
}

.tools-parent-container .browse-btn {
    background: #1e1e1e;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tools-parent-container .browse-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.tools-parent-container .file-info {
    flex: 1;
}

.tools-parent-container .file-details {
    font-size: 0.9rem;
    color: #666;
}

.tools-parent-container .file-name {
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.tools-parent-container .file-size,
.tools-parent-container .page-count {
    font-size: 0.9rem;
    color: #666;
}

.tools-parent-container .remove-file {
    background: #ff4757;
    color: white;
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.tools-parent-container .remove-file:hover {
    background: #ff3742;
    transform: scale(1.1);
}

.tools-parent-container .options-section {
    margin-bottom: 30px;
}

.tools-parent-container .split-mode {
    margin-bottom: 30px;
}

.tools-parent-container .split-mode h3 {
    margin-bottom: 15px;
    color: #333;
}

.tools-parent-container .mode-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tools-parent-container .mode-btn {
    padding: 12px 24px;
    border: 2px solid #ddd;
    background: white;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.tools-parent-container .mode-btn:hover {
    border-color: #667eea;
    color: #667eea;
}

.tools-parent-container .mode-btn.active {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-color: transparent;
}

.tools-parent-container .range-section {
    margin-bottom: 30px;
}

.tools-parent-container .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.tools-parent-container .section-header h3 {
    color: #333;
}

.tools-parent-container .add-range-btn {
    background: #28a745;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

.tools-parent-container .add-range-btn:hover {
    background: #218838;
    transform: translateY(-1px);
}

.tools-parent-container .ranges-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.tools-parent-container .range-item {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.tools-parent-container .range-label {
    font-weight: 600;
    color: #333;
    min-width: 80px;
}

.tools-parent-container .range-inputs {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.tools-parent-container .range-input {
    width: 80px;
    padding: 8px 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    text-align: center;
    font-size: 0.95rem;
}

.tools-parent-container .range-input:focus {
    outline: none;
    border-color: #667eea;
}

.tools-parent-container .range-separator {
    font-weight: 600;
    color: #666;
}

.tools-parent-container .remove-range {
    background: #dc3545;
    color: white;
    border: none;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.tools-parent-container .remove-range:hover {
    background: #c82333;
    transform: scale(1.1);
}

.tools-parent-container .fixed-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.tools-parent-container .option-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
    cursor: pointer;
}

.tools-parent-container .option-item input[type=number] {
    width: 80px;
    padding: 8px;
    border: 2px solid #ddd;
    border-radius: 5px;
    text-align: center;
}

.tools-parent-container .page-selector {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
}

.tools-parent-container .page-selector input {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
}

.tools-parent-container .page-selector input:focus {
    outline: none;
    border-color: #667eea;
}

.tools-parent-container .help-text {
    margin-top: 10px;
    color: #666;
    font-size: 0.9rem;
}

.tools-parent-container .advanced-options {
    margin-bottom: 30px;
}

.tools-parent-container .advanced-options h3 {
    margin-bottom: 15px;
    color: #333;
}

.tools-parent-container .checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.tools-parent-container .checkbox-item {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    padding: 12px;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.tools-parent-container .checkbox-item:hover {
    background: #f8f9fa;
}

.tools-parent-container .checkbox-item input[type=checkbox] {
    display: none;
}

.tools-parent-container .checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #ddd;
    border-radius: 4px;
    position: relative;
    transition: all 0.3s ease;
}

.tools-parent-container .checkbox-item input[type=checkbox]:checked+.checkmark {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-color: transparent;
    animation: checkboxPop 0.3s ease-out;
}

@keyframes checkboxPop {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.2);
    }

    100% {
        transform: scale(1);
    }
}

.tools-parent-container .loading-file {
    opacity: 0.6;
    pointer-events: none;
}

.tools-parent-container .loading-file::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.tools-parent-container .checkbox-item 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;
}

.tools-parent-container .process-section {
    text-align: center;
    margin-bottom: 30px;
}

.tools-parent-container .process-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 200px;
    position: relative;
}

.tools-parent-container .process-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(102, 126, 234, 0.4);
}

.tools-parent-container .process-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.tools-parent-container .btn-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.tools-parent-container .btn-loader::after {
    content: "";
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

    100% {
        transform: rotate(360deg);
    }
}

.tools-parent-container .progress-section {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}

.tools-parent-container .progress-bar {
    width: 100%;
    height: 8px;
    background: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}

.tools-parent-container .progress-fill {
    height: 100%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 4px;
}

.tools-parent-container .progress-text {
    text-align: center;
    color: #666;
    font-size: 0.9rem;
}

.tools-parent-container .results-section {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 25px;
    margin-top: 20px;
    margin-bottom: 30px;
}

.tools-parent-container .results-section h3 {
    color: #28a745;
    margin-bottom: 20px;
    text-align: center;
}

.tools-parent-container .file-type-icon {
    display: inline-block;
    width: 24px;
    height: 24px;
    background: #dc3545;
    color: white;
    border-radius: 4px;
    text-align: center;
    line-height: 24px;
    font-size: 12px;
    font-weight: bold;
    margin-right: 10px;
}

.tools-parent-container .tooltip {
    position: relative;
    cursor: help;
}

.tools-parent-container .tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.tools-parent-container .tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

@media print {

    .tools-parent-container .files-list,
    .tools-parent-container .upload-area,
    .tools-parent-container .file-actions,
    .tools-parent-container .process-section,
    .tools-parent-container .progress-section {
        display: none !important;
    }

    .tools-parent-container .results-section {
        background: white !important;
        box-shadow: none !important;
    }
}

@media (prefers-color-scheme: dark) {
    .tools-parent-container .file-item {
        background: #2d3748;
        color: #e2e8f0;
    }

    .tools-parent-container .file-item.active {
        background: #4a5568;
        border-color: #667eea;
    }

    .tools-parent-container .current-file-info {
        background: #2d3748;
        color: #e2e8f0;
    }

    .tools-parent-container .extract-info {
        background: #2d3748;
        color: #e2e8f0;
    }
}

.tools-parent-container .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.tools-parent-container .file-item:focus-within {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

.tools-parent-container .select-file-btn:focus,
.tools-parent-container .remove-file-btn:focus,
.tools-parent-container .add-more-files:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

@media (prefers-contrast: high) {
    .tools-parent-container .file-item {
        border: 2px solid #000;
    }

    .tools-parent-container .file-item.active {
        border-color: #0066cc;
        background: #e6f3ff;
    }

    .tools-parent-container .select-file-btn {
        border: 2px solid #000;
    }
}

@media (prefers-reduced-motion: reduce) {

    .tools-parent-container .file-item,
    .tools-parent-container .slide-up,
    .tools-parent-container .fade-in,
    .tools-parent-container .checkboxPop,
    .tools-parent-container .bounce,
    .tools-parent-container .spin {
        animation: none !important;
        transition: none !important;
    }
}

.tools-parent-container .results-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
}

.tools-parent-container .result-item {
    position: relative;
}

.tools-parent-container .result-item .page-preview {
    position: absolute;
    top: 10px;
    right: 10px;
    margin: 0;
}

.tools-parent-container .result-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.tools-parent-container .result-name {
    font-weight: 600;
    color: #333;
}

.tools-parent-container .result-details {
    font-size: 0.9rem;
    color: #666;
}

.tools-parent-container .download-btn {
    background: #28a745;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.tools-parent-container .download-btn:hover {
    background: #218838;
    transform: translateY(-1px);
}

.tools-parent-container .download-all-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.tools-parent-container .download-all-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.tools-parent-container .footer {
    text-align: center;
    color: white;
    opacity: 0.8;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .tools-parent-container .file-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .tools-parent-container .file-actions {
        width: 100%;
        justify-content: space-between;
    }

    .tools-parent-container .container {
        padding: 15px;
    }

    .tools-parent-container .main-content {
        padding: 25px;
        border-radius: 15px;
    }

    

    .tools-parent-container .upload-area {
        padding: 40px 15px;
    }

    .tools-parent-container .upload-icon {
        font-size: 3rem;
    }

    .tools-parent-container .mode-buttons {
        flex-direction: column;
    }

    .tools-parent-container .mode-btn {
        width: 100%;
        text-align: center;
    }

    .tools-parent-container .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .tools-parent-container .range-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .tools-parent-container .range-inputs {
        width: 100%;
        justify-content: center;
    }

    .tools-parent-container .result-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .tools-parent-container .download-btn {
        width: 100%;
    }

    .tools-parent-container .select-file-btn {
        flex: 1;
        margin-right: 10px;
    }

    .tools-parent-container .current-file-info {
        text-align: center;
    }

    .tools-parent-container .result-item .page-preview {
        position: static;
        margin-bottom: 8px;
    }
}

@media (max-width: 480px) {
    .tools-parent-container .container {
        padding: 10px;
    }

    .tools-parent-container .main-content {
        padding: 20px;
    }

 

    .tools-parent-container .upload-area {
        padding: 30px 10px;
    }

    .tools-parent-container .range-inputs {
        flex-direction: column;
        gap: 10px;
    }

    .tools-parent-container .range-input {
        width: 100%;
        max-width: 120px;
    }

    .tools-parent-container .fixed-options .option-item {
        flex-wrap: wrap;
        gap: 8px;
    }

    .tools-parent-container .files-container {
        gap: 8px;
    }

    .tools-parent-container .file-item {
        padding: 12px;
    }

    .tools-parent-container .file-actions {
        flex-direction: column;
        gap: 8px;
    }

    .tools-parent-container .select-file-btn {
        width: 100%;
        margin: 0;
    }
}

@media (max-width: 320px) {
    .tools-parent-container .container {
        padding: 8px;
    }

    .tools-parent-container .main-content {
        padding: 15px;
    }

    .tools-parent-container .file-item {
        padding: 10px;
    }

    .tools-parent-container .current-file-info {
        padding: 12px;
    }

    .tools-parent-container .extract-info {
        padding: 15px;
    }
}

.tools-parent-container .fade-in {
    animation: fadeIn 0.5s ease-in;
}

.tools-parent-container .mode-btn[data-mode=extract] {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
    border-color: transparent;
}

.tools-parent-container .mode-btn[data-mode=extract]:hover {
    background: linear-gradient(135deg, #218838, #1ea080);
}

.tools-parent-container .mode-btn[data-mode=extract].active {
    background: linear-gradient(135deg, #28a745, #20c997);
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tools-parent-container .slide-up {
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        transform: translateY(10px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.tools-parent-container .error {
    border-color: #dc3545 !important;
    background-color: #fff5f5 !important;
}

.tools-parent-container .error-message {
    color: #dc3545;
    font-size: 0.85rem;
    margin-top: 5px;
}

.tools-parent-container .success {
    border-color: #28a745 !important;
    background-color: #f8fff9 !important;
}

.tools-parent-container .success-message {
    color: #28a745;
    font-size: 0.85rem;
    margin-top: 5px;
}

.tools-parent-container .files-list {
    margin-bottom: 30px;
}

.tools-parent-container .files-list h3 {
    margin-bottom: 15px;
    color: #333;
}

.tools-parent-container .files-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 15px;
}

.tools-parent-container .file-item {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.tools-parent-container .file-item.active {
    border-color: #667eea;
    background: #f0f4ff;
}

.tools-parent-container .file-item.processed {
    background: #e8f5e8;
    opacity: 0.8;
}

.tools-parent-container .file-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.tools-parent-container .select-file-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 15px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.tools-parent-container .select-file-btn:hover:not(:disabled) {
    background: #5a67d8;
}

.tools-parent-container .select-file-btn.active {
    background: #28a745;
}

.tools-parent-container .select-file-btn:disabled {
    background: #6c757d;
    cursor: not-allowed;
}

.tools-parent-container .remove-file-btn {
    background: #dc3545;
    color: white;
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.tools-parent-container .remove-file-btn:hover {
    background: #c82333;
    transform: scale(1.1);
}

.tools-parent-container .add-more-files {
    background: #28a745;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.tools-parent-container .add-more-files:hover {
    background: #218838;
    transform: translateY(-1px);
}

.tools-parent-container .current-file-info {
    background: #e8f2ff;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 20px;
    border-left: 4px solid #667eea;
}

.tools-parent-container .current-file-info h3 {
    margin-bottom: 5px;
    color: #333;
}

.tools-parent-container .current-file-info p {
    color: #666;
    margin: 0;
}

.tools-parent-container .extract-info {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
}

.tools-parent-container .extract-description {
    font-size: 1rem;
    color: #333;
    margin-bottom: 10px;
}

.tools-parent-container .extract-count {
    font-size: 1.1rem;
    font-weight: 600;
    color: #667eea;
}

.tools-parent-container .page-preview {
    background: #e8f2ff;
    color: #667eea;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
    display: inline-block;
}

.tools-parent-container .file-item {
    animation: slideInUp 0.3s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tools-parent-container .file-item.processing {
    background: #fff3cd;
    border-color: #ffc107;
}

.tools-parent-container .file-item.processing .file-name::after {
    content: " (Processing...)";
    color: #856404;
    font-weight: normal;
    font-size: 0.85rem;
}

.tools-parent-container .file-item.processed .file-name::after {
    content: " ✓";
    color: #28a745;
    font-weight: bold;
}

.tools-parent-container .optimization-indicator {
    display: inline-block;
    background: #17a2b8;
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    margin-left: 8px;
}

.tools-parent-container .file-item.error {
    background: #f8d7da;
    border-color: #dc3545;
}

.tools-parent-container .file-item.error .file-name {
    color: #721c24;
}