/* Minimal styling for RAG System */

/* ==================== CSS VARIABLES ==================== */
:root {
    /* Colors */
    --color-primary: #3498db;
    --color-primary-dark: #2980b9;
    --color-primary-darker: #21618c;
    --color-success: #27ae60;
    --color-success-dark: #229954;
    --color-danger: #e74c3c;
    --color-danger-dark: #c0392b;
    --color-secondary: #95a5a6;
    --color-secondary-dark: #7f8c8d;
    --color-warning: #ffc107;
    --color-warning-dark: #856404;
    --color-info: #3498db;
    --color-info-dark: #0c5460;
    
    /* Text colors */
    --color-text: #333;
    --color-text-dark: #2c3e50;
    --color-text-darker: #34495e;
    --color-text-light: #7f8c8d;
    
    /* Background colors */
    --color-bg: #f5f5f5;
    --color-bg-white: #fff;
    --color-bg-light: #f9f9f9;
    --color-bg-lighter: #fdfdfd;
    
    /* Border colors */
    --color-border: #ddd;
    --color-border-light: #eee;
    --color-border-lighter: #ecf0f1;
    
    /* Status colors */
    --color-status-uploaded: #ecf0f1;
    --color-status-uploaded-text: #34495e;
    --color-status-pending: #fff3cd;
    --color-status-pending-text: #856404;
    --color-status-processing: #d1ecf1;
    --color-status-processing-text: #0c5460;
    --color-status-completed: #d4edda;
    --color-status-completed-text: #155724;
    --color-status-error: #f8d7da;
    --color-status-error-text: #721c24;
    
    /* Spacing */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --spacing-xl: 30px;
    --spacing-xxl: 40px;
    --spacing-xxxl: 50px;
    
    /* Container widths */
    --container-narrow: 600px;
    --container-medium: 900px;
    --container-wide: 1800px;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-full: 999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* ==================== ANIMATIONS ==================== */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ==================== BASE RESET ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
    max-width: 100vw;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
    overflow-x: hidden;
    max-width: 100vw;
}

/* ==================== PAGE LAYOUT COMPONENTS ==================== */

/* Legacy container - kept for backward compatibility */
.container {
    max-width: 600px;
    margin: 50px auto;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* New unified page wrapper system */
.page-wrapper {
    max-width: var(--container-wide);
    margin: var(--spacing-lg) auto;
    padding: var(--spacing-lg);
    width: 100%;
    box-sizing: border-box;
}

.page-wrapper--narrow {
    max-width: var(--container-narrow);
}

.page-wrapper--medium {
    max-width: var(--container-medium);
}

/* Card/Section component - unified styling for all content sections */
.card {
    background: var(--color-bg-white);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.card--compact {
    padding: var(--spacing-md);
}

.card--spacious {
    padding: var(--spacing-xl);
}

.card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-primary);
}

.card__header--no-border {
    border-bottom: none;
    padding-bottom: 0;
}

.card__title {
    margin: 0;
    color: var(--color-text-dark);
    font-size: 18px;
}

.card__subtitle {
    color: var(--color-text-light);
    font-size: 14px;
    margin: 0;
}

.card__actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

/* Page header component */
.page-header {
    background: var(--color-bg-white);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.page-header__title {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--color-text-dark);
    font-size: 24px;
}

.page-header__subtitle {
    color: var(--color-text-light);
    margin: 0;
    font-size: 14px;
}

h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #2c3e50;
}

h2 {
    margin-bottom: 20px;
    color: #34495e;
}

/* ==================== FORM COMPONENTS ==================== */

.form {
    width: 100%;
}

.form__section {
    margin-bottom: var(--spacing-xxl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--color-border);
}

.form__section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.form__section-title {
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-dark);
    font-size: 18px;
    font-weight: 600;
}

.form-group {
    margin-bottom: 15px;
}

.form__group {
    margin-bottom: var(--spacing-md);
}

.form__label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 400;
    color: var(--color-text-light);
    font-size: 13px;
}

.form__helper-text {
    font-size: 12px;
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

/* File upload drop zone */
.drop-zone {
    border: 2px dashed var(--color-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xxl);
    text-align: center;
    cursor: pointer;
    background: var(--color-bg-light);
    transition: background var(--transition-fast);
}

.drop-zone:hover {
    background: #f0f6fc;
}

.drop-zone__text {
    margin: 0;
    color: var(--color-text-light);
}

.drop-zone__formats {
    margin-top: var(--spacing-sm);
    font-size: 12px;
    color: var(--color-text-light);
}

.drop-zone__note {
    margin-top: var(--spacing-xs);
    font-size: 11px;
    color: var(--color-text-light);
    font-style: italic;
}

.selected-file {
    margin-top: var(--spacing-sm);
}

.selected-file__text {
    color: var(--color-success);
    font-weight: 500;
}

/* ==================== PROCESSING PAGE COMPONENTS ==================== */

.processing-container {
    max-width: var(--container-narrow);
    margin: var(--spacing-xxxl) auto;
    padding: var(--spacing-lg);
    text-align: center;
}

.status-message {
    margin: var(--spacing-lg) 0;
    font-size: 18px;
    color: var(--color-text);
}

.status-details {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background-color: var(--color-bg-light);
    border-radius: var(--radius-sm);
    text-align: left;
}

.status-details h4 {
    margin-top: 0;
}

.status-step {
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border-light);
}

.status-step:last-child {
    border-bottom: none;
}

.status-step--completed {
    color: var(--color-success);
}

.status-step--active {
    color: var(--color-primary);
    font-weight: bold;
}

.status-step--pending {
    color: var(--color-secondary);
}

label {
    display: block;
    margin-bottom: 4px;
    font-weight: 400;
    color: var(--color-text-light);
    font-size: 13px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 400;
    color: var(--color-text-light);
    font-size: 13px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

input[type="email"],
input[type="password"],
input[type="text"],
input[type="date"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #ddd;
    outline: none;
    -webkit-appearance: none;
    margin: 10px 0;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #3498db;
    cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #3498db;
    cursor: pointer;
    border: none;
}

#query-top-k-value {
    font-weight: 600;
    color: #3498db;
}

/* ==================== MESSAGE SYSTEM ==================== */

.message {
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    border-radius: var(--radius-sm);
    border-left: 4px solid;
}

.message--error {
    background-color: #fadbd8;
    color: var(--color-danger-dark);
    border-color: var(--color-danger);
}

.message--success {
    background-color: #d5f4e6;
    color: var(--color-success-dark);
    border-color: var(--color-success);
}

.message--info {
    background-color: #d1ecf1;
    color: var(--color-info-dark);
    border-color: var(--color-primary);
}

.message--warning {
    background-color: #fff3cd;
    color: var(--color-warning-dark);
    border-color: var(--color-warning);
}

/* ==================== LOADING STATES ==================== */

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xxl);
    color: var(--color-text-light);
}

.loading__spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-lg);
}

.loading__text {
    font-size: 16px;
    margin: 0;
}

/* ==================== METADATA DISPLAY ==================== */

.metadata-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.metadata-item {
    display: flex;
    flex-direction: column;
}

.metadata-item__label {
    font-weight: 400;
    color: var(--color-text-light);
    font-size: 12px;
    margin-bottom: var(--spacing-xs);
}

.metadata-item__value {
    color: var(--color-text);
    font-size: 14px;
}

/* ==================== BUTTONS ==================== */

/* Base button styles - legacy support */
button {
    width: 100%;
    padding: 8px 16px;
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-border);
    border-radius: 3px;
    font-size: 14px;
    font-weight: 400;
    cursor: pointer;
    margin-top: 10px;
    transition: all var(--transition-fast);
}

button:hover {
    background-color: var(--color-bg-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

button:disabled {
    background-color: transparent;
    color: var(--color-secondary);
    border-color: var(--color-border-light);
    cursor: not-allowed;
    opacity: 0.5;
}

button.btn-grey {
    color: var(--color-secondary);
    border-color: var(--color-border);
}

button.btn-grey:hover:not(:disabled) {
    background-color: var(--color-bg-light);
    border-color: var(--color-secondary-dark);
    color: var(--color-secondary-dark);
}

button.btn-green {
    color: var(--color-success);
    border-color: var(--color-border);
}

button.btn-green:hover:not(:disabled) {
    background-color: var(--color-bg-light);
    border-color: var(--color-success);
    color: var(--color-success-dark);
}

/* New unified button system */
.btn {
    padding: 6px 14px;
    border: 1px solid var(--color-border);
    border-radius: 3px;
    font-size: 13px;
    font-weight: 400;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    display: inline-block;
    text-align: center;
    line-height: 1.5;
    background-color: transparent;
}

.btn--full-width {
    width: 100%;
    display: block;
}

.btn--small {
    padding: 4px 10px;
    font-size: 12px;
}

.btn--large {
    padding: 8px 18px;
    font-size: 14px;
}

.btn--primary {
    color: var(--color-primary);
    border-color: var(--color-border);
}

.btn--primary:hover:not(:disabled) {
    background-color: var(--color-bg-light);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.btn--success {
    color: var(--color-success);
    border-color: var(--color-border);
}

.btn--success:hover:not(:disabled) {
    background-color: var(--color-bg-light);
    border-color: var(--color-success);
    color: var(--color-success-dark);
}

.btn--danger {
    color: var(--color-danger);
    border-color: var(--color-border);
}

.btn--danger:hover:not(:disabled) {
    background-color: var(--color-bg-light);
    border-color: var(--color-danger);
    color: var(--color-danger-dark);
}

.btn--secondary {
    color: var(--color-text-light);
    border-color: var(--color-border);
}

.btn--secondary:hover:not(:disabled) {
    background-color: var(--color-bg-light);
    border-color: var(--color-secondary);
    color: var(--color-secondary-dark);
}

.btn--outline {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
}

.btn--outline:hover:not(:disabled) {
    background-color: var(--color-bg-light);
    border-color: var(--color-primary-dark);
    color: var(--color-primary-dark);
}

.btn:disabled,
.btn--disabled {
    background-color: transparent;
    color: var(--color-text-light);
    border-color: var(--color-border-light);
    cursor: not-allowed;
    opacity: 0.5;
}

.error {
    color: #e74c3c;
    padding: 10px;
    margin-top: 10px;
    background-color: #fadbd8;
    border-radius: 4px;
}

.success {
    color: #27ae60;
    padding: 10px;
    margin-top: 10px;
    background-color: #d5f4e6;
    border-radius: 4px;
}

a {
    color: #3498db;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ==================== NAVIGATION COMPONENTS ==================== */

/* Dashboard wrapper - legacy, maps to page-wrapper */
.dashboard {
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: var(--spacing-lg);
    width: 100%;
    box-sizing: border-box;
}

/* Navigation bar */
.nav {
    background: var(--color-bg-white);
    padding: 0;
    margin: 0 0 var(--spacing-lg) 0;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    width: 100%;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav__list {
    list-style: none;
    display: flex;
    gap: 0;
    align-items: center;
    justify-content: flex-start;
    margin: 0 auto;
    padding: 0;
    max-width: var(--container-wide);
}

/* Legacy support */
.nav ul {
    list-style: none;
    display: flex;
    gap: 0;
    align-items: center;
    justify-content: flex-start;
    margin: 0 auto;
    padding: 0;
    max-width: var(--container-wide);
}

.nav ul li {
    margin: 0;
}

.nav__separator,
.nav-separator {
    margin-left: auto;
    width: 1px;
    height: 24px;
    background: var(--color-border);
    margin-right: var(--spacing-sm);
}

.nav__item--right,
.nav-right {
    margin-left: 0;
}

/* Navigation links */
.nav__link,
.nav a {
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    color: var(--color-text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color var(--transition-fast), background-color var(--transition-fast);
    display: inline-block;
    border-bottom: 2px solid transparent;
}

.nav__link:hover:not(.nav-link--active),
.nav a:hover:not(.nav-link--active) {
    background: var(--color-bg-light);
    color: var(--color-primary);
    text-decoration: none;
    border-bottom-color: var(--color-primary);
}

.nav__link:active,
.nav a:active {
    background: var(--color-bg-lighter);
    color: var(--color-primary-dark);
}

/* Active navigation link - always visible */
.nav__link--active,
.nav a.nav-link--active {
    color: var(--color-primary) !important;
    border-bottom-color: var(--color-primary) !important;
    background: transparent;
}

.nav__link--active:hover,
.nav a.nav-link--active:hover {
    color: var(--color-primary) !important;
    border-bottom-color: var(--color-primary) !important;
    background: var(--color-bg-light) !important;
}

/* Navigation link variants */
.nav__link--login,
.nav-login {
    color: var(--color-success) !important;
}

.nav__link--login:hover,
.nav-login:hover {
    background: var(--color-bg-light) !important;
    color: var(--color-success-dark) !important;
    border-bottom-color: var(--color-success) !important;
}

.nav__link--logout,
.nav-logout {
    color: var(--color-danger) !important;
}

.nav__link--logout:hover,
.nav-logout:hover {
    background: var(--color-bg-light) !important;
    color: var(--color-danger-dark) !important;
    border-bottom-color: var(--color-danger) !important;
}

.nav__link--secondary {
    color: var(--color-secondary);
}

.nav__link--secondary:hover {
    color: var(--color-secondary-dark);
    border-bottom-color: var(--color-secondary);
}

.filters {
    background: var(--color-bg-white);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.filters h3 {
    margin-bottom: var(--spacing-md);
}

.filter-group {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--color-bg-light);
    border-radius: var(--radius-sm);
}

.filter-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 400;
    color: var(--color-text-light);
    font-size: 13px;
}

.filter-dates-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.filter-dates-row label {
    display: flex;
    align-items: center;
    margin: 0;
    font-weight: 600;
}

.filter-dates-row input[type="date"] {
    width: auto;
    min-width: 140px;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    margin: 0;
    font-weight: normal;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-right: 5px;
    cursor: pointer;
}

.checkbox-group.stacked {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
}

.checkbox-group.stacked label {
    width: 100%;
}

.document-list {
    background: var(--color-bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.document-list h2 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.document-count {
    font-size: 0.8em;
    font-weight: normal;
    color: var(--color-text-light);
    margin-left: auto;
}

.search-bar {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    align-items: center;
}

.search-bar input[type="text"] {
    flex: 2;
    min-width: 200px;
    width: auto !important;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    box-sizing: border-box;
    height: 40px;
    line-height: 20px;
}

.search-bar input[type="text"]:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.search-bar button {
    flex: 0 0 auto;
    padding: 8px 16px;
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-border);
    border-radius: 3px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 400;
    transition: all var(--transition-fast);
    height: 38px;
    box-sizing: border-box;
    width: auto;
    min-width: 80px;
}

.search-bar button:first-of-type {
    flex: 0 0 auto;
}

.search-bar button:hover {
    background: var(--color-bg-light);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.search-bar button:active {
    background: var(--color-bg-light);
    border-color: var(--color-primary-dark);
    color: var(--color-primary-darker);
}

#clear-search-btn {
    background: transparent;
    color: var(--color-text-light);
    border-color: var(--color-border);
    width: auto;
    min-width: auto;
    flex: 0 0 auto;
}

#clear-search-btn:hover {
    background: var(--color-bg-light);
    border-color: var(--color-secondary);
    color: var(--color-secondary-dark);
}

.document-summary {
    margin: 10px 0;
}

.summary-text {
    margin: 0;
    white-space: pre-wrap;
    line-height: 1.5;
    color: #2c3e50;
}

.summary-text.collapsed {
    max-height: 4.5em;
    overflow: hidden;
}

.summary-toggle {
    display: inline;
    margin-left: 6px;
    padding: 0;
    background: none;
    border: none;
    color: #3498db;
    cursor: pointer;
    font-size: 13px;
    text-decoration: none;
}

.summary-toggle:hover,
.summary-toggle:focus {
    text-decoration: underline;
}

.summary-toggle:focus-visible {
    outline: 2px solid #3498db;
    outline-offset: 2px;
}

.document-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 10px 0;
}

.keyword-chip {
    background: #eef3ff;
    color: #2c3e50;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    border: 1px solid #d6e4ff;
}

.wordcloud {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: flex-start;
    padding: 10px 0;
}

.wordcloud-keyword {
    cursor: pointer;
    color: #2c3e50;
    transition: transform 0.2s ease, color 0.2s ease;
}

.wordcloud-keyword:hover {
    color: #3498db;
    transform: scale(1.05);
}

.wordcloud-keyword.selected {
    color: #3498db;
    text-decoration: underline;
}

.link-button {
    background: none;
    border: none;
    color: #3498db;
    padding: 0;
    cursor: pointer;
    font-size: 13px;
}

.link-button:hover {
    text-decoration: underline;
}

.document-item {
    padding: 15px;
    border-bottom: 1px solid #eee;
}

.document-item:last-child {
    border-bottom: none;
}

.document-item h3 {
    margin-bottom: 5px;
}

.document-meta {
    color: #7f8c8d;
    font-size: 14px;
    margin: 5px 0;
}

.document-actions {
    margin-top: 10px;
}

.document-actions button {
    width: auto;
    padding: 4px 12px;
    margin-right: 8px;
    font-size: 13px;
    background-color: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-primary);
    border-radius: 3px;
    font-weight: 400;
}

.document-actions button:hover {
    background-color: var(--color-bg-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-danger {
    background-color: transparent;
    color: var(--color-danger);
    border: 1px solid var(--color-border);
}

.btn-danger:hover {
    background-color: var(--color-bg-light);
    border-color: var(--color-danger);
    color: var(--color-danger-dark);
}

.btn-success {
    background-color: transparent;
    color: var(--color-success);
    border: 1px solid var(--color-border);
}

.btn-success:hover {
    background-color: var(--color-bg-light);
    border-color: var(--color-success);
    color: var(--color-success-dark);
}

.btn-primary {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-border);
}

.btn-primary:hover {
    background-color: var(--color-bg-light);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-light);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-bg-light);
    border-color: var(--color-secondary);
    color: var(--color-secondary-dark);
}

.btn-disabled {
    background-color: transparent;
    color: var(--color-text-light);
    border-color: var(--color-border-light);
    cursor: not-allowed;
    opacity: 0.5;
}

.btn-link {
    background: none;
    color: var(--color-primary);
    padding: 4px 12px;
    border: 1px solid var(--color-border);
    border-radius: 3px;
    text-decoration: none;
    display: inline-block;
    margin-right: 8px;
    font-size: 13px;
    font-weight: 400;
}

.btn-link:hover {
    background-color: var(--color-bg-light);
    border-color: var(--color-primary);
    text-decoration: none;
    color: var(--color-primary-dark);
}

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
}

.status-uploaded {
    background-color: #ecf0f1;
    color: #34495e;
}

.status-pending {
    background-color: #fff3cd;
    color: #856404;
}

.status-processing {
    background-color: #d1ecf1;
    color: #0c5460;
}

.status-completed {
    background-color: #d4edda;
    color: #155724;
}

.status-error {
    background-color: #f8d7da;
    color: #721c24;
}

/* Perplexity chat page */
.hidden {
    display: none !important;
}

.perplexity-chat {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.chat-panel,
.results-card {
    background: var(--color-bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.chat-panel .helper-text {
    margin-bottom: 15px;
    color: #7f8c8d;
}

.helper-text.small {
    font-size: 12px;
    margin-top: 4px;
}

.chat-panel .inline {
    max-width: 200px;
}

.chat-results {
    display: grid;
    gap: 20px;
    align-content: start;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.answer-block {
    white-space: pre-wrap;
    line-height: 1.6;
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
    box-sizing: border-box;
}

.answer-text {
    white-space: pre-wrap;
    margin-bottom: 12px;
}

.usage-note {
    font-size: 13px;
    color: #7f8c8d;
    margin-top: 12px;
}

.answer-block h4 {
    margin-top: 20px;
}

.sources-list {
    display: grid;
    gap: 15px;
}

.source-item {
    border: 1px solid #ecf0f1;
    border-radius: 6px;
    padding: 15px;
    background: #fdfdfd;
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
    box-sizing: border-box;
}

.source-item header {
    margin-bottom: 8px;
}

.source-namespace,
.source-score {
    font-size: 13px;
    color: #7f8c8d;
    margin-bottom: 6px;
}

.source-snippet {
    margin-bottom: 6px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.source-item a,
.answer-block a {
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
    display: inline-block;
}

.checkbox-group.spaced-columns {
    flex-wrap: wrap;
    gap: 12px 18px;
}

.radio-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 400;
    color: var(--color-text-light);
    font-size: 13px;
}

/* Radio label with descriptions for extraction methods */
.radio-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px;
    border: 1px solid var(--color-border);
    border-radius: 3px;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--color-bg-white);
    margin-bottom: 8px;
}

.radio-label:hover {
    border-color: var(--color-primary);
    background: var(--color-bg-lighter);
}

.radio-label input[type="radio"] {
    margin-top: 4px;
    cursor: pointer;
    flex-shrink: 0;
}

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

.radio-label:has(input[type="radio"]:checked) {
    border-color: var(--color-primary);
    background: var(--color-bg-lighter);
}

.radio-label__text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.radio-label__text strong {
    color: var(--color-text);
    font-size: 14px;
    font-weight: 400;
}

.radio-label__text small {
    color: var(--color-text-light);
    font-size: 13px;
    line-height: 1.4;
}

@media (max-width: 992px) {
    .perplexity-chat {
        grid-template-columns: 1fr;
    }
}

/* Analytics page styles */
.analytics-container {
    background: var(--color-bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.analytics-container h1 {
    margin-bottom: 20px;
    text-align: left;
}

.analytics-section {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--color-border-light);
}

.analytics-section:first-of-type {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.section-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
}

.analytics-controls {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--color-bg-light);
    border-radius: var(--radius-sm);
    flex-wrap: wrap;
}

.analytics-controls label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: 0;
    font-weight: 400;
    color: var(--color-text-light);
    font-size: 13px;
}

.analytics-controls select {
    width: auto;
    min-width: 150px;
}

.analytics-controls button {
    padding: 6px 14px;
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-border);
    border-radius: 3px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 400;
}

.analytics-controls button:hover {
    background: var(--color-bg-light);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.analytics-section-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.analytics-section-nav a {
    text-decoration: none;
}

html {
    scroll-behavior: smooth;
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.chart-container {
    background: var(--color-bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.chart-container.full-width {
    grid-column: 1 / -1;
}

.chart-container h2 {
    margin-bottom: var(--spacing-md);
    font-size: 18px;
    color: var(--color-text-dark);
}

.chart-container canvas {
    max-height: 400px;
}

@media (max-width: 768px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
    
    .chart-container.full-width {
        grid-column: 1;
    }
    
    .analytics-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .analytics-controls select {
        width: 100%;
    }
}

/* Pagination styles */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin: 30px 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 10px 0;
}

.pagination-btn {
    padding: 6px 12px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 3px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 400;
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
    background: var(--color-bg-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.pagination-btn-active {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
    font-weight: 400;
}

.pagination-btn-active:hover {
    background: var(--color-bg-light);
    border-color: var(--color-primary-dark);
    color: var(--color-primary-dark);
}

.pagination-btn-disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-ellipsis {
    padding: 8px 4px;
    color: #666;
}

/* Translation button styles */
.translate-btn {
    width: auto !important;
    padding: 4px 10px !important;
    font-size: 13px !important;
    font-weight: 400 !important;
    margin-top: 0 !important;
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-border);
    border-radius: 3px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.translate-btn:hover:not(:disabled) {
    background-color: var(--color-bg-light);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.translate-btn:disabled {
    background-color: transparent;
    color: var(--color-text-light);
    border-color: var(--color-border-light);
    cursor: not-allowed;
    opacity: 0.5;
}

.pagination-info {
    text-align: center;
    margin-top: 10px;
    color: #666;
    font-size: 14px;
}

#pagination-container {
    margin-top: 20px;
}

/* ==================== DETAIL PAGE COMPONENTS ==================== */

.summary-box {
    background: var(--color-bg-light);
    padding: var(--spacing-md);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-sm);
    line-height: 1.6;
}

.space-badge {
    display: inline-block;
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin: var(--spacing-xs) var(--spacing-xs) var(--spacing-xs) 0;
    font-size: 12px;
}

.edit-input,
.edit-textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
}

.edit-textarea {
    padding: var(--spacing-sm);
    resize: vertical;
    min-height: 150px;
    overflow-y: auto;
}

.technical-metadata-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

@media (max-width: 768px) {
    .technical-metadata-grid {
        grid-template-columns: 1fr;
    }
}

.action-buttons {
    margin-top: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.action-buttons button {
    width: auto;
}

/* ==================== VIEWER PAGE COMPONENTS ==================== */

/* Override dashboard container constraints for viewer */
.dashboard--viewer {
    max-width: 100% !important;
    width: 100% !important;
}

.viewer-container {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

.viewer-header {
    background: var(--color-bg-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
    width: 100%;
    box-sizing: border-box;
}

.viewer-header h2 {
    margin: 0;
    font-size: 18px;
    color: var(--color-text-dark);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.viewer-controls {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.viewer-controls button {
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 400;
    white-space: nowrap;
    background-color: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-primary);
}

.viewer-controls button:hover {
    background-color: var(--color-bg-light);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

#document-content {
    padding: var(--spacing-lg);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-word;
    overflow-x: hidden;
    min-width: 0;
}

/* Force all elements inside document-content to wrap */
#document-content * {
    max-width: 100% !important;
    box-sizing: border-box !important;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
}

/* Specific rules for text elements */
#document-content p,
#document-content div,
#document-content span,
#document-content li,
#document-content td,
#document-content th,
#document-content h1,
#document-content h2,
#document-content h3,
#document-content h4,
#document-content h5,
#document-content h6 {
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
    word-break: break-word !important;
    hyphens: auto;
    max-width: 100% !important;
}

/* Tables should wrap and not overflow */
#document-content table {
    width: 100% !important;
    max-width: 100% !important;
    table-layout: auto;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

#document-content td,
#document-content th {
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
    word-break: break-word !important;
    max-width: 0;
}

/* Code and pre elements */
#document-content pre,
#document-content code {
    white-space: pre-wrap !important;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
    max-width: 100% !important;
    overflow-x: auto;
}

/* Links and other inline elements */
#document-content a {
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-all;
}

/* Images should not overflow */
#document-content img {
    max-width: 100% !important;
    height: auto !important;
}

.loading-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: calc(100vh - 70px);
    background: #f5f7fa;
}

.error-container {
    padding: var(--spacing-xxl);
    text-align: center;
    color: var(--color-danger);
}

@media (max-width: 768px) {
    .viewer-header {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
    
    .viewer-controls {
        width: 100%;
        justify-content: space-between;
    }
}

/* ==================== UTILITY CLASSES ==================== */

/* Spacing utilities */
.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* Display utilities */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }

/* Flex utilities */
.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.align-start { align-items: flex-start; }
.align-center { align-items: center; }
.align-end { align-items: flex-end; }

.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* Text utilities */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-secondary { color: var(--color-text-light); }

.font-small { font-size: 12px; }
.font-normal { font-size: 14px; }
.font-large { font-size: 16px; }
.font-weight-normal { font-weight: 400; }
.font-weight-medium { font-weight: 500; }
.font-weight-bold { font-weight: 600; }

/* ==================== RESPONSIVE DESIGN ==================== */

@media (max-width: 1024px) {
    .page-wrapper,
    .dashboard {
        padding: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .page-wrapper,
    .dashboard {
        margin: var(--spacing-sm) auto;
        padding: var(--spacing-sm);
    }
    
    .card {
        padding: var(--spacing-md);
    }
    
    .card__header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .card__actions {
        width: 100%;
        flex-direction: column;
    }
    
    .metadata-grid {
        grid-template-columns: 1fr;
    }
    
    .nav__list,
    .nav ul {
        flex-wrap: wrap;
        gap: 0;
        padding: 0 var(--spacing-sm);
    }
    
    .nav__link,
    .nav a {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 15px;
        --spacing-xl: 25px;
    }
    
    .page-header__title,
    .card__title {
        font-size: 16px;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 13px;
    }
}

/* ==================== BOOKS PAGE STYLES ==================== */

/* Books container - three-column layout */
.books-container {
    display: grid;
    grid-template-columns: 18% 62% 20%;
    gap: var(--spacing-sm);
    height: calc(100vh - 70px); /* Full height minus nav */
    padding: var(--spacing-sm);
    overflow: hidden;
    transition: grid-template-columns var(--transition-normal);
}

/* Panel visibility states */
.books-container.left-hidden {
    grid-template-columns: 0 1fr 20%;
}

.books-container.right-hidden {
    grid-template-columns: 18% 1fr 0;
}

.books-container.both-hidden {
    grid-template-columns: 0 1fr 0;
}

.books-navigation.hidden,
.books-services.hidden {
    display: flex !important;  /* Override global .hidden rule */
    overflow: hidden;
    visibility: hidden;
    pointer-events: none;
    min-width: 0;
    max-width: 0;
}

/* Left column: Book Navigation */
.books-navigation {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-sm);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.books-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border-light);
    min-height: 40px;
}

#create-book-btn {
    width: auto;
    min-width: auto;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 13px;
    margin: 0;
}

.panel-toggle-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 18px;
    line-height: 1;
    min-width: auto;
    width: auto;
    margin: 0;
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-light);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.panel-toggle-btn:hover {
    background: var(--color-bg-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.books-nav-header h2 {
    margin: 0;
    font-size: 18px;
    color: var(--color-text-dark);
}

.books-list-container {
    margin-bottom: var(--spacing-sm);
}

.book-navigation-tree {
    flex: 1;
    overflow-y: auto;
}

.book-chapter-item {
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    background: var(--color-bg-light);
}

.book-chapter-item.collapsed .book-section-list {
    display: none;
}

.chapter-toggle-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 10px;
    padding: 0;
    margin-right: 8px;
    color: var(--color-text);
    transition: all 0.2s ease;
    flex-shrink: 0;
    line-height: 1;
    width: 16px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.chapter-toggle-btn:hover {
    background: var(--color-bg);
    border-radius: var(--radius-sm);
}

.book-chapter-header {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg-white);
    border-bottom: 1px solid var(--color-border-light);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.book-chapter-header:hover {
    background: var(--color-bg-lighter);
}

.book-chapter-header.active {
    background: var(--color-primary);
    color: white;
}

.book-chapter-title-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    min-width: 0;
    overflow: visible;
}

.book-chapter-number {
    font-weight: 600;
    flex-shrink: 0;
    color: var(--color-text);
    margin-right: var(--spacing-xs);
    font-size: 14px;
}

.book-chapter-title {
    font-weight: 500;
    flex-shrink: 1;
    min-width: 0;
    overflow: visible;
    text-overflow: ellipsis;
    white-space: normal;
    display: inline-block;
    font-size: 14px;
}

.book-chapter-actions {
    display: flex;
    gap: var(--spacing-xs);
    flex-shrink: 0;
    align-items: center;
}

.book-chapter-actions .book-word-count {
    margin-right: var(--spacing-xs);
}

.book-chapter-actions .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    min-width: auto;
    font-size: 16px;
    line-height: 1;
}

.book-section-list {
    padding: var(--spacing-xs);
    background: var(--color-bg-white);
}

.book-section-list .add-section-btn {
    margin-top: var(--spacing-xs);
    width: 100%;
}

.book-section-item {
    padding: var(--spacing-xs) var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: var(--color-bg-white);
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.book-section-item:hover {
    background: var(--color-bg-lighter);
}

.book-section-item.active {
    background: var(--color-primary);
    color: white;
}

.book-section-item.drag-handle {
    cursor: move;
}

.book-section-number {
    font-weight: 600;
    flex-shrink: 0;
    color: var(--color-text);
    margin-right: var(--spacing-xs);
    font-size: 14px;
}

.book-section-title {
    flex: 1;
    font-size: 14px;
}

.book-word-count {
    font-size: 12px;
    color: var(--color-text-light);
    white-space: nowrap;
    flex-shrink: 0;
    display: inline-block;
    min-width: fit-content;
    visibility: visible;
    opacity: 1;
}

.book-chapter-header.active .book-word-count,
.book-section-item.active .book-word-count {
    color: rgba(255, 255, 255, 0.8);
}

.book-chapter-header.active .book-chapter-number,
.book-section-item.active .book-section-number {
    color: rgba(255, 255, 255, 1);
}

.book-section-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.book-section-actions .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    min-width: auto;
    font-size: 16px;
    line-height: 1;
}

.book-add-buttons {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-top: 1px solid var(--color-border-light);
}

.add-chapter-container {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border-light);
}

.add-chapter-container .btn--full-width {
    width: 100%;
}

/* Middle column: Editor */
.books-editor {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.books-editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border-light);
    min-height: 40px;
}

.books-editor-header #section-title-input {
    flex: 1;
}

.books-editor-header > div:first-child {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
}

.books-editor-header-controls {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.books-editor-header-right {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.editor-language-label {
    margin: 0;
    font-size: 13px;
    color: var(--color-text-light);
    font-weight: 400;
    white-space: nowrap;
}

.books-editor-header-right select {
    min-width: 120px;
}

/* Search/Replace Panel */
.search-replace-panel {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-md);
}

.search-replace-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.search-replace-row {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.search-replace-input-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.search-replace-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.search-replace-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.search-replace-options {
    display: flex;
    align-items: center;
}

.search-replace-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 13px;
    color: var(--color-text);
    cursor: pointer;
}

.search-replace-checkbox input[type="checkbox"] {
    cursor: pointer;
}

.search-replace-buttons {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.search-replace-info {
    font-size: 12px;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.search-replace-info-success {
    background: var(--color-status-completed);
    color: var(--color-status-completed-text);
}

.search-replace-info-error {
    background: var(--color-status-error);
    color: var(--color-status-error-text);
}

/* Search highlight styles */
.search-highlight {
    background-color: #ffeb3b;
    color: var(--color-text);
    padding: 2px 0;
    border-radius: 2px;
}

.search-highlight-active {
    background-color: #ff9800;
    color: var(--color-text);
    font-weight: 600;
}

.quill-editor-container {
    flex: 1 1 auto;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    min-height: 0;
    height: 100%;
}

/* Custom Editor Styles */
.custom-editor-wrapper {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    height: 100%;
    min-height: 0;
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius);
    background: white;
    position: relative;
    overflow: hidden;
}

.custom-editor-toolbar {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    gap: var(--spacing-xs) !important;
    padding: var(--spacing-xs) var(--spacing-sm) !important;
    border-bottom: 1px solid var(--color-border-light) !important;
    background: var(--color-bg-light) !important;
    align-items: center !important;
    width: 100% !important;
}

.toolbar-btn {
    background: transparent !important;
    border: 1px solid transparent !important;
    padding: var(--spacing-xs) var(--spacing-sm) !important;
    cursor: pointer !important;
    border-radius: var(--border-radius-sm) !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    color: var(--color-text) !important;
    transition: all 0.2s ease !important;
    min-width: 32px !important;
    width: auto !important;
    height: 32px !important;
    display: inline-flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
    margin: 0 !important;
    vertical-align: middle !important;
}

.toolbar-btn:hover {
    background: var(--color-bg);
    border-color: var(--color-border);
}

.toolbar-btn.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.toolbar-btn[data-command="unlink"] {
    position: relative;
    color: #dc3545 !important;
}

.toolbar-btn[data-command="unlink"]::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 18px;
    height: 2px;
    background: #dc3545;
    transform: translate(-50%, -50%) rotate(45deg);
    pointer-events: none;
}

.toolbar-color-select {
    background: transparent !important;
    border: 1px solid transparent !important;
    cursor: pointer !important;
    border-radius: var(--border-radius-sm) !important;
    font-size: 14px !important;
    color: var(--color-text) !important;
    transition: all 0.2s ease !important;
    height: 32px !important;
}

.toolbar-color-select:hover {
    background: var(--color-bg) !important;
    border-color: var(--color-border) !important;
}

.toolbar-color-select option {
    padding: 4px 8px !important;
    line-height: 1.5 !important;
    background-color: inherit !important;
}

.toolbar-color-select option[value=""] {
    background-color: var(--color-bg-light) !important;
    color: var(--color-text) !important;
}

/* Color option styles - note: many browsers don't support option background-color */
.toolbar-color-select option[data-hex="#000000"],
.toolbar-color-select option.color-option-1 {
    background-color: #000000 !important;
    color: #ffffff !important;
}

.toolbar-color-select option[data-hex="#333333"],
.toolbar-color-select option.color-option-2 {
    background-color: #333333 !important;
    color: #ffffff !important;
}

.toolbar-color-select option[data-hex="#666666"],
.toolbar-color-select option.color-option-3 {
    background-color: #666666 !important;
    color: #ffffff !important;
}

.toolbar-color-select option[data-hex="#999999"],
.toolbar-color-select option.color-option-4 {
    background-color: #999999 !important;
    color: #000000 !important;
}

.toolbar-color-select option[data-hex="#dc3545"],
.toolbar-color-select option.color-option-5 {
    background-color: #dc3545 !important;
    color: #ffffff !important;
}

.toolbar-color-select option[data-hex="#fd7e14"],
.toolbar-color-select option.color-option-6 {
    background-color: #fd7e14 !important;
    color: #000000 !important;
}

.toolbar-color-select option[data-hex="#ffc107"],
.toolbar-color-select option.color-option-7 {
    background-color: #ffc107 !important;
    color: #000000 !important;
}

.toolbar-color-select option[data-hex="#28a745"],
.toolbar-color-select option.color-option-8 {
    background-color: #28a745 !important;
    color: #ffffff !important;
}

.toolbar-color-select option[data-hex="#007bff"],
.toolbar-color-select option.color-option-9 {
    background-color: #007bff !important;
    color: #ffffff !important;
}

.toolbar-color-select option[data-hex="#6610f2"],
.toolbar-color-select option.color-option-10 {
    background-color: #6610f2 !important;
    color: #ffffff !important;
}

.toolbar-color-select option[data-hex="#6f42c1"],
.toolbar-color-select option.color-option-11 {
    background-color: #6f42c1 !important;
    color: #ffffff !important;
}

.toolbar-color-select option[data-hex="#e83e8c"],
.toolbar-color-select option.color-option-12 {
    background-color: #e83e8c !important;
    color: #ffffff !important;
}

.toolbar-color-select option[data-hex="#795548"],
.toolbar-color-select option.color-option-13 {
    background-color: #795548 !important;
    color: #ffffff !important;
}

.toolbar-separator {
    width: 1px !important;
    height: 24px !important;
    background: var(--color-border) !important;
    margin: 0 var(--spacing-xs) !important;
    display: inline-block !important;
    flex-shrink: 0 !important;
}

.custom-editor-container {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.custom-editor-area {
    flex: 1 1 auto;
    width: 100%;
    padding: var(--spacing-sm);
    line-height: 1.5;
    font-size: 14px;
    font-family: inherit;
    outline: none;
    overflow-y: auto;
    overflow-x: hidden;
    box-sizing: border-box;
    min-height: 0;
    height: 100%;
}

.editor-resize-handle {
    height: 8px;
    background: var(--color-border-light);
    cursor: ns-resize;
    flex-shrink: 0;
    position: relative;
    transition: background 0.2s;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    z-index: 10;
}

.editor-resize-handle:hover {
    background: var(--color-primary);
    border-top-color: var(--color-primary);
}

.editor-resize-handle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 3px;
    background: var(--color-border);
    border-radius: 2px;
}

.editor-resize-handle:hover::after {
    background: white;
}

.custom-editor-area:focus {
    outline: none;
}

/* Code styling */
.custom-editor-area code {
    background: var(--color-bg-light);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--color-primary);
}

.custom-editor-area pre {
    background: var(--color-bg-light);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin: var(--spacing-sm) 0;
    border-left: 3px solid var(--color-primary);
}

.custom-editor-area pre code {
    background: transparent;
    padding: 0;
    color: inherit;
}

/* Reference links */
.custom-editor-area a[href^="#ref-"] {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.custom-editor-area a[href^="#ref-"]:hover sup {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Image styling in editor */
.custom-editor-area img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: var(--spacing-md) auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.custom-editor-area img.editor-image {
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.custom-editor-area img.editor-image:hover {
    opacity: 0.9;
}

.custom-editor-area img.uploading-image {
    opacity: 0.6;
    filter: grayscale(50%);
}


#quill-editor-container .ql-container {
    flex: 1;
    font-size: 14px;
    font-family: inherit;
}

#quill-editor-container .ql-editor {
    min-height: auto;
}

/* Read-only sections */
.section-read-only {
    margin-bottom: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-light);
    border-radius: 0;
    overflow: hidden;
    width: 100%;
    box-sizing: border-box;
    border: none;
}

.section-read-only-title {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: 1.1em;
    font-weight: 600;
    color: var(--color-text-dark);
    padding-bottom: var(--spacing-xs);
    border-bottom: none;
}

.section-read-only-content {
    color: var(--color-text);
    line-height: 1.5;
    padding-top: var(--spacing-xs);
    overflow-wrap: break-word;
    word-wrap: break-word;
    max-height: calc(1.5em * 10 + var(--spacing-xs)); /* 10 lines + padding */
}

.section-read-only-content p {
    margin: 0 0 var(--spacing-xs) 0;
}

.section-read-only-content p:last-child {
    margin-bottom: 0;
}

/* Editable section container */
.section-editable {
    flex: 1;
    display: flex;
    flex-direction: column;
    margin-bottom: var(--spacing-xs);
    padding: var(--spacing-xs);
    background: var(--color-bg-white);
    border-radius: 0;
    box-shadow: none;
    overflow: hidden;
    width: 100%;
    box-sizing: border-box;
    border: none;
    min-height: 0;
}

/* Ensure custom editor takes full width and height within editable section */
.section-editable #custom-editor-wrapper {
    flex: 1;
    width: 100% !important;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    min-height: 0;
}

.section-editable .custom-editor-wrapper {
    flex: 1;
    width: 100% !important;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border: none;
    min-height: 0;
}

.section-editable .custom-editor-toolbar {
    display: flex !important;
    flex-direction: row !important;
    border: none !important;
    border-bottom: 1px solid var(--color-border-light) !important;
    padding: var(--spacing-xs) var(--spacing-sm) !important;
}

.section-editable .custom-editor-container {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    height: 100% !important;
}

.section-editable .custom-editor-area {
    padding: var(--spacing-xs) !important;
    line-height: 1.5;
}

/* Right column: Services Panel */
.books-services {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-sm);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    position: relative;
}

.books-services-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border-light);
    min-height: 40px;
}

.services-section {
    position: relative;
    border-bottom: 1px solid var(--color-border-light);
    padding-bottom: var(--spacing-md);
}

.services-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.services-section h3 {
    margin: 0 0 var(--spacing-md) 0;
    font-size: 16px;
    color: var(--color-text-dark);
}

.references-list,
.glossary-list,
.consistency-issues-list,
.related-docs-list {
    max-height: 300px;
    overflow-y: auto;
}

.references-list:not(.has-numbered-list) {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.references-numbered-list {
    list-style-type: decimal;
    padding-left: 2em;
    margin: 0;
    display: block;
    counter-reset: none;
    scroll-margin-top: 20px; /* Add space when scrolling to reference */
}

.references-numbered-list .reference-item {
    display: list-item;
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    background: var(--color-bg-light);
    scroll-margin-top: 20px; /* Add space when scrolling to reference */
}

.reference-item-citation {
    margin-bottom: var(--spacing-xs);
}

.reference-item,
.glossary-term-item {
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    background: var(--color-bg-light);
    font-size: 11px;
}

.reference-item-title,
.glossary-term-item-title {
    font-weight: 500;
    font-size: 12px;
    margin-bottom: var(--spacing-xs);
}

.reference-item-title a {
    color: var(--color-primary);
    text-decoration: none;
}

.reference-item-title a:hover {
    text-decoration: underline;
}

.reference-item-text {
    font-size: 11px;
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
    max-height: 60px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.glossary-term-item-definition {
    font-size: 11px;
    color: var(--color-text);
    margin-top: var(--spacing-xs);
}

.reference-item-actions,
.glossary-term-item-actions {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
    justify-content: flex-end;
}

/* Consistency Checker Styles */
.consistency-status {
    margin: var(--spacing-sm) 0;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.consistency-filters {
    margin: var(--spacing-sm) 0;
}

.consistency-filters label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 12px;
}

.consistency-issue {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    background: var(--color-bg-light);
    font-size: 12px;
}

.consistency-issue--pending {
    border-left: 3px solid var(--color-warning);
}

.consistency-issue--resolved {
    border-left: 3px solid var(--color-success);
    opacity: 0.7;
}

.consistency-issue--ignored {
    border-left: 3px solid var(--color-text-light);
    opacity: 0.5;
}

.consistency-issue-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.consistency-issue-type {
    text-transform: capitalize;
    color: var(--color-text);
}

.consistency-issue-similarity {
    color: var(--color-primary);
    font-weight: 600;
}

.consistency-issue-terms {
    margin: var(--spacing-xs) 0;
}

.consistency-term {
    margin: var(--spacing-xs) 0;
    padding: var(--spacing-xs);
    background: var(--color-bg-white);
    border-radius: var(--radius-xs);
    font-size: 11px;
}

.consistency-term strong {
    color: var(--color-text-dark);
}

.consistency-context {
    margin: var(--spacing-xs) 0;
    padding: var(--spacing-xs);
    background: var(--color-bg-white);
    border-radius: var(--radius-xs);
    font-size: 11px;
    color: var(--color-text-light);
    font-style: italic;
}

.consistency-suggestion {
    margin: var(--spacing-xs) 0;
    padding: var(--spacing-xs);
    background: var(--color-info-light);
    border-radius: var(--radius-xs);
    font-size: 11px;
    color: var(--color-info-dark);
}

/* Related Documents in Services Section */
.related-docs-loading {
    text-align: center;
    padding: var(--spacing-md);
}

.related-docs-loading .loading__spinner {
    border: 2px solid var(--color-border-light);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.related-docs-empty {
    text-align: center;
    padding: var(--spacing-md);
    color: var(--color-text-light);
    font-size: 12px;
}

.related-doc-item-services {
    background: var(--color-bg-light);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.related-doc-item-services:hover {
    background: var(--color-bg-lighter);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.consistency-resolved {
    margin: var(--spacing-xs) 0;
    padding: var(--spacing-xs);
    background: var(--color-success-light);
    border-radius: var(--radius-xs);
    font-size: 11px;
    color: var(--color-success-dark);
}

.consistency-issue-actions {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
    justify-content: flex-end;
    align-items: center;
}

.consistency-actions {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border-light);
}

/* Styling for clickable reference numbers in text (superscript links) */
/* Reference links in read-only sections */
.section-read-only-content a sup,
.section-read-only-content a[href^="#ref-"] {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    transition: color 0.2s ease;
}

.section-read-only-content a[href^="#ref-"]:hover sup {
    color: var(--color-primary);
    text-decoration: underline;
}

.rewrite-preview {
    position: fixed;
    right: var(--spacing-md);
    bottom: var(--spacing-md);
    width: 50%;
    max-width: 600px;
    min-width: 400px;
    padding: var(--spacing-md);
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    z-index: 1000;
    max-height: 70vh;
    display: flex;
    flex-direction: column;
}

.rewrite-preview-content {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--color-bg-white);
    border-radius: var(--radius-sm);
    max-height: calc(70vh - 120px);
    overflow-y: auto;
    font-size: 14px;
    line-height: 1.6;
    flex: 1;
}

.rewrite-preview-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

/* Modal styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal.d-none {
    display: none;
}

.modal-content {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-md);
}

.modal-content h2 {
    margin: 0 0 var(--spacing-lg) 0;
    font-size: 20px;
    color: var(--color-text-dark);
}

.form__actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

.form__input--small {
    font-size: 14px;
    padding: var(--spacing-xs) var(--spacing-sm);
}

.btn--small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 13px;
}

/* Drag and drop styles */
.sortable-ghost {
    opacity: 0.4;
}

.sortable-drag {
    opacity: 0.8;
}

/* Responsive design for books page */
@media (max-width: 1200px) {
    .books-container {
        grid-template-columns: 20% 55% 25%;
    }
}

@media (max-width: 968px) {
    .books-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
        height: auto;
        min-height: calc(100vh - 70px);
    }
    
    .books-navigation {
        max-height: 300px;
    }
    
    .books-editor {
        min-height: 500px;
    }
    
    .books-services {
        max-height: 400px;
    }
}

/* ==================== QUILL EDITOR STYLES ==================== */
/* Quill editor container */
#quill-editor-wrapper {
    height: 600px;
    margin-bottom: 20px;
}

.ql-container {
    font-family: inherit;
    font-size: inherit;
}

/* Document reference markers (atomic embeds) */
.ref-marker {
    display: inline;
    cursor: pointer;
}

.ref-marker sup {
    font-size: 0.8em;
    vertical-align: super;
}

.ref-marker .ref-link {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.ref-marker .ref-link:hover {
    text-decoration: underline;
}

/* Provisional reference styling (using creation order) */
.ref-marker .ref-link.ref-provisional {
    font-style: italic;
    opacity: 0.8;
}

/* Internal reference blots */
.quill-internal-ref {
    font-style: italic;
    color: var(--color-primary);
}

/* Custom Quill toolbar buttons */
.ql-toolbar .ql-pasteReference,
.ql-toolbar .ql-documentReference,
.ql-toolbar .ql-internalReference {
    width: 28px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0;
    margin: 0 2px;
}

.ql-toolbar .ql-pasteReference:hover,
.ql-toolbar .ql-documentReference:hover,
.ql-toolbar .ql-internalReference:hover {
    background-color: rgba(0, 0, 0, 0.05);
    border-radius: 2px;
}

.ql-toolbar .ql-pasteReference span,
.ql-toolbar .ql-documentReference span,
.ql-toolbar .ql-internalReference span {
    font-size: 16px;
    line-height: 1;
    display: inline-block;
}

/* ==================== TEXT CHUNKS DISPLAY ==================== */
.chunks-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.chunk-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    background-color: var(--color-bg-lighter);
}

.chunk-header {
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text-dark);
    font-size: 0.9rem;
}

.chunk-content {
    white-space: pre-wrap;
    word-wrap: break-word;
    line-height: 1.6;
    color: var(--color-text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 0.95rem;
    max-height: 500px;
    overflow-y: auto;
}

.chunk-content::-webkit-scrollbar {
    width: 8px;
}

.chunk-content::-webkit-scrollbar-track {
    background: var(--color-bg-light);
    border-radius: var(--radius-sm);
}

.chunk-content::-webkit-scrollbar-thumb {
    background: var(--color-secondary);
    border-radius: var(--radius-sm);
}

.chunk-content::-webkit-scrollbar-thumb:hover {
    background: var(--color-secondary-dark);
}