/**
 * ULL Normativa - Frontend Styles
 */

/* Variables por defecto - pueden ser sobreescritas por custom-styles.css */
:root {
    --ull-primary: #003366;
    --ull-primary-dark: #002244;
    --ull-secondary: #0066cc;
    --ull-accent: #e63946;
    --ull-success: #28a745;
    --ull-warning: #ffc107;
    --ull-danger: #dc3545;
    --ull-light: #f8f9fa;
    --ull-dark: #343a40;
    --ull-background: #f8f9fa;
    --ull-surface: #ffffff;
    --ull-border: #dee2e6;
    --ull-text: #212529;
    --ull-text-muted: #6c757d;
    --ull-heading: #003366;
    --ull-vigente: #28a745;
    --ull-derogada: #dc3545;
    --ull-modificada: #ffc107;
    --ull-shadow: 0 2px 8px rgba(0,0,0,0.08);
    --ull-shadow-hover: 0 4px 12px rgba(0,0,0,0.15);
    --ull-radius: 6px;
    --ull-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --ull-font-size: 16px;
    --ull-line-height: 1.6;
    --ull-spacing: 1rem;
}

/* Scroll suave para toda la página */
html {
    scroll-behavior: smooth;
}

/* Offset para encabezados cuando se navega desde TOC */
/* Esto evita que la cabecera fija tape el contenido */
h1[id^="toc-"],
h2[id^="toc-"],
h3[id^="toc-"],
h4[id^="toc-"],
h5[id^="toc-"],
h6[id^="toc-"] {
    scroll-margin-top: 100px; /* Ajusta según la altura de tu cabecera */
    scroll-snap-margin-top: 100px; /* Safari */
}

/* Container */
.ull-normativa-container {
    font-family: var(--ull-font);
    font-size: var(--ull-font-size);
    line-height: var(--ull-line-height);
    color: var(--ull-text);
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header con búsqueda y filtros */
.ull-normativa-header {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 25px;
    padding: 20px;
    background: var(--ull-background);
    border-radius: var(--ull-radius);
    border: 1px solid var(--ull-border);
}

/* Búsqueda */
.ull-search-box {
    width: 100%;
}

.ull-search-form {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.ull-search-input {
    flex: 1;
    min-width: 250px;
    padding: 12px 16px;
    border: 2px solid var(--ull-border);
    border-radius: var(--ull-radius);
    font-size: var(--ull-font-size);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.ull-search-input:focus {
    outline: none;
    border-color: var(--ull-secondary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.ull-search-btn {
    padding: 12px 24px;
    background: var(--ull-primary);
    color: #fff;
    border: none;
    border-radius: var(--ull-radius);
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    transition: background 0.2s;
}

.ull-search-btn:hover {
    background: var(--ull-secondary);
}

.ull-search-clear {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--ull-danger);
    color: #fff;
    border-radius: 50%;
    text-decoration: none;
    font-size: 18px;
    line-height: 1;
}

.ull-search-clear:hover {
    background: #c82333;
    color: #fff;
}

/* Filtros */
.ull-filters {
    width: 100%;
}

.ull-filters-form {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.ull-filter-select {
    padding: 10px 14px;
    border: 1px solid var(--ull-border);
    border-radius: var(--ull-radius);
    background: #fff;
    font-size: 14px;
    min-width: 160px;
    cursor: pointer;
}

.ull-filter-select:focus {
    outline: none;
    border-color: var(--ull-secondary);
}

.ull-filter-btn {
    padding: 10px 20px;
    background: var(--ull-secondary);
    color: #fff;
    border: none;
    border-radius: var(--ull-radius);
    cursor: pointer;
    font-size: 14px;
}

.ull-clear-filters {
    color: var(--ull-danger);
    font-size: 14px;
    text-decoration: none;
}

.ull-filter-clear {
    color: var(--ull-text-muted);
    font-size: 13px;
    text-decoration: none;
}

.ull-filter-clear:hover {
    color: var(--ull-danger);
    text-decoration: underline;
}

/* Info de resultados */
.ull-results-info {
    margin-bottom: 20px;
    padding: 12px 16px;
    background: #e7f3ff;
    border-left: 4px solid var(--ull-secondary);
    border-radius: 0 var(--ull-radius) var(--ull-radius) 0;
    color: var(--ull-text);
    font-size: 14px;
}

/* No results */
.ull-no-results {
    text-align: center;
    padding: 40px 20px;
    background: var(--ull-light);
    border-radius: var(--ull-radius);
    color: var(--ull-text-muted);
}

.ull-no-results p {
    margin: 0 0 15px 0;
}

.ull-no-results a {
    color: var(--ull-secondary);
    text-decoration: none;
}

.ull-no-results a:hover {
    text-decoration: underline;
}

/* Toggle de vistas */
.ull-view-toggles {
    display: flex;
    gap: 5px;
}

.ull-view-btn {
    padding: 10px 12px;
    background: #fff;
    border: 1px solid var(--ull-border);
    border-radius: var(--ull-radius);
    cursor: pointer;
    color: var(--ull-text-muted);
    transition: all 0.2s;
}

.ull-view-btn:hover,
.ull-view-btn.active {
    background: var(--ull-primary);
    color: #fff;
    border-color: var(--ull-primary);
}

/* Vistas */
.ull-view {
    display: none;
}

.ull-view.active {
    display: block;
}

/* Vista Lista */
.ull-normativa-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.ull-normativa-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    border-bottom: 1px solid var(--ull-border);
    transition: background 0.2s;
}

.ull-normativa-item:hover {
    background: var(--ull-light);
}

.ull-normativa-item:first-child {
    border-top: 1px solid var(--ull-border);
}

.ull-item-content {
    flex: 1;
}

.ull-item-title {
    margin: 0 0 8px 0;
    font-size: 17px;
    line-height: 1.4;
}

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

.ull-item-title a:hover {
    color: var(--ull-secondary);
}

.ull-item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--ull-text-muted);
}

.ull-item-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.ull-meta-tipo {
    background: #e9ecef;
    padding: 2px 8px;
    border-radius: 3px;
    font-weight: 500;
}

.ull-meta-numero {
    font-family: monospace;
    font-weight: 600;
    color: var(--ull-primary);
}

.ull-item-excerpt {
    margin: 10px 0 0 0;
    font-size: 14px;
    color: var(--ull-text-muted);
    line-height: 1.5;
}

.ull-item-estado {
    flex-shrink: 0;
    padding: 6px 12px;
    border-radius: var(--ull-radius);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Estados - usando variables personalizables */
.ull-estado-vigente {
    background: color-mix(in srgb, var(--ull-vigente) 15%, transparent);
    color: var(--ull-vigente);
}

.ull-estado-derogada {
    background: color-mix(in srgb, var(--ull-derogada) 15%, transparent);
    color: var(--ull-derogada);
}

.ull-estado-modificada {
    background: color-mix(in srgb, var(--ull-modificada) 15%, transparent);
    color: var(--ull-modificada);
}

.ull-estado-pendiente {
    background: #e2e3e5;
    color: #383d41;
}

/* Fallback para navegadores sin color-mix */
@supports not (background: color-mix(in srgb, red 15%, transparent)) {
    .ull-estado-vigente {
        background: #d4edda;
        color: #155724;
    }
    .ull-estado-derogada {
        background: #f8d7da;
        color: #721c24;
    }
    .ull-estado-modificada {
        background: #fff3cd;
        color: #856404;
    }
}

/* Vista Tarjetas */
.ull-normativa-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.ull-normas-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ull-norma-item {
    border-bottom: 1px solid var(--ull-border);
}

.ull-norma-link {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    padding: 15px;
    text-decoration: none;
    color: var(--ull-text);
    transition: background 0.2s;
}

.ull-norma-link:hover {
    background: var(--ull-light);
}

.ull-norma-numero {
    font-weight: 600;
    color: var(--ull-primary);
    min-width: 100px;
}

.ull-norma-titulo {
    flex: 1;
    min-width: 200px;
}

.ull-norma-meta {
    display: flex;
    gap: 15px;
    font-size: 13px;
    color: var(--ull-text-muted);
}

.ull-norma-card {
    background: #fff;
    border-radius: var(--ull-radius);
    box-shadow: var(--ull-shadow);
    padding: 20px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.ull-norma-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.ull-card-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 12px;
}

.ull-card-tipo {
    color: var(--ull-secondary);
    font-weight: 500;
}

.ull-card-title {
    margin: 0 0 10px;
    font-size: 18px;
    line-height: 1.3;
}

.ull-card-title a {
    color: var(--ull-text);
    text-decoration: none;
}

.ull-card-title a:hover {
    color: var(--ull-primary);
}

.ull-card-numero {
    font-size: 14px;
    color: var(--ull-primary);
    font-weight: 600;
    margin-bottom: 10px;
}

.ull-card-resumen {
    font-size: 14px;
    color: var(--ull-text-muted);
    margin: 0 0 15px;
    line-height: 1.5;
}

.ull-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--ull-border);
}

.ull-card-fecha {
    font-size: 13px;
    color: var(--ull-text-muted);
}

.ull-card-link {
    color: var(--ull-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

/* Vista Tabla */
.ull-normas-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    box-shadow: var(--ull-shadow);
    border-radius: var(--ull-radius);
    overflow: hidden;
}

.ull-normas-table th,
.ull-normas-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--ull-border);
}

.ull-normas-table th {
    background: var(--ull-primary);
    color: #fff;
    font-weight: 600;
    font-size: 14px;
}

.ull-normas-table tr:hover {
    background: var(--ull-light);
}

.ull-normas-table a {
    color: var(--ull-primary);
    text-decoration: none;
}

.ull-normas-table a:hover {
    text-decoration: underline;
}

/* Estados */
.ull-estado,
.ull-card-estado {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
}

.ull-estado-vigente,
.ull-estado-vigente .ull-estado {
    background: rgba(40, 167, 69, 0.1);
    color: var(--ull-success);
}

.ull-estado-derogada,
.ull-estado-derogada .ull-estado {
    background: rgba(220, 53, 69, 0.1);
    color: var(--ull-danger);
}

.ull-estado-modificada,
.ull-estado-modificada .ull-estado {
    background: rgba(255, 193, 7, 0.1);
    color: #856404;
}

.ull-estado-pendiente,
.ull-estado-pendiente .ull-estado {
    background: rgba(108, 117, 125, 0.1);
    color: var(--ull-text-muted);
}

/* Paginación */
.ull-pagination {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-top: 30px;
}

.ull-pagination a,
.ull-pagination span {
    display: inline-block;
    padding: 8px 14px;
    border: 1px solid var(--ull-border);
    border-radius: var(--ull-radius);
    text-decoration: none;
    color: var(--ull-text);
    background: var(--ull-surface);
    transition: all 0.2s;
}

.ull-pagination a:hover {
    background: var(--ull-primary);
    color: #fff;
    border-color: var(--ull-primary);
}

.ull-pagination .current {
    background: var(--ull-primary);
    color: #fff;
    border-color: var(--ull-primary);
}

/* Ficha Individual */
.ull-norma-ficha {
    max-width: 1000px;
    margin: 0 auto;
    font-family: var(--ull-font);
    font-size: var(--ull-font-size);
    line-height: var(--ull-line-height);
    color: var(--ull-text);
    background: var(--ull-surface);
    border-radius: var(--ull-radius);
    box-shadow: var(--ull-shadow);
    overflow: hidden;
}

.ull-norma-header {
    padding: 30px;
    background: linear-gradient(135deg, var(--ull-primary), var(--ull-primary-dark));
    color: #fff;
}

.ull-norma-title {
    margin: 0 0 10px;
    font-size: 28px;
}

.ull-norma-estado {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    background: rgba(255,255,255,0.2);
}

/* Acciones de la ficha (botones PDF y XML) */
.ull-ficha-actions {
    margin-top: 15px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.ull-btn-pdf,
.ull-btn-xml {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    color: #fff;
    border-radius: var(--ull-radius);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.ull-btn-pdf {
    background: linear-gradient(135deg, var(--ull-accent) 0%, color-mix(in srgb, var(--ull-accent) 80%, black) 100%);
}

.ull-btn-xml {
    background: linear-gradient(135deg, #2e7d32 0%, #1b5e20 100%);
}

.ull-btn-pdf:hover,
.ull-btn-xml:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.ull-pdf-icon,
.ull-xml-icon {
    font-size: 16px;
}

/* Tabs */
.ull-ficha-tabs {
    display: flex;
    border-bottom: 2px solid var(--ull-border);
    background: var(--ull-background);
    flex-wrap: wrap;
}

.ull-ficha-tabs .ull-tab {
    padding: 15px 25px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 15px;
    font-family: var(--ull-font);
    color: var(--ull-text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
}

.ull-ficha-tabs .ull-tab:hover,
.ull-ficha-tabs .ull-tab.active {
    color: var(--ull-primary);
    border-bottom-color: var(--ull-primary);
    background: var(--ull-surface);
}

.ull-tab-content {
    display: none;
    padding: 30px;
    background: var(--ull-surface);
}

.ull-tab-content.active {
    display: block;
}

/* Info section */
.ull-norma-info {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 10px 20px;
}

.ull-norma-info dt {
    font-weight: 600;
    color: var(--ull-text-muted);
}

.ull-norma-info dd {
    margin: 0;
}

/* Contenido texto */
.ull-norma-texto {
    line-height: 1.8;
}

.ull-norma-texto h1,
.ull-norma-texto h2,
.ull-norma-texto h3 {
    color: var(--ull-primary);
    margin-top: 1.5em;
}

.ull-norma-texto table {
    width: 100%;
    border-collapse: collapse;
    margin: 1em 0;
}

.ull-norma-texto table th,
.ull-norma-texto table td {
    border: 1px solid var(--ull-border);
    padding: 10px;
}

/* Versiones */
.ull-versiones-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.ull-version-item {
    padding: 20px;
    border: 1px solid var(--ull-border);
    border-radius: var(--ull-radius);
    background: var(--ull-surface);
}

.ull-version-current {
    border-color: var(--ull-vigente);
    background: color-mix(in srgb, var(--ull-vigente) 5%, var(--ull-surface));
}

.ull-version-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
}

.ull-version-number {
    font-weight: 600;
    font-size: 16px;
}

.ull-version-date {
    color: var(--ull-text-muted);
    font-size: 14px;
}

.ull-version-badge {
    padding: 3px 10px;
    background: var(--ull-success);
    color: #fff;
    border-radius: 20px;
    font-size: 12px;
}

.ull-version-changes {
    color: var(--ull-text-muted);
    margin: 0 0 10px;
    font-size: 14px;
}

.ull-version-view-btn {
    padding: 8px 15px;
    background: var(--ull-light);
    border: 1px solid var(--ull-border);
    border-radius: var(--ull-radius);
    cursor: pointer;
    font-size: 13px;
}

/* Relaciones */
.ull-relacion-group {
    margin-bottom: 20px;
}

.ull-relacion-group h4 {
    color: var(--ull-primary);
    margin: 0 0 10px;
    padding-bottom: 5px;
    border-bottom: 1px solid var(--ull-border);
}

.ull-relacion-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ull-relacion-group li {
    padding: 8px 0;
    border-bottom: 1px solid var(--ull-light);
}

.ull-relacion-group a {
    color: var(--ull-text);
    text-decoration: none;
}

.ull-relacion-group a:hover {
    color: var(--ull-primary);
}

.ull-rel-numero {
    font-weight: 600;
    margin-right: 10px;
}

.ull-rel-estado {
    font-size: 11px;
    margin-left: 10px;
}

/* Documentos */
.ull-documentos-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ull-documento-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border: 1px solid var(--ull-border);
    border-radius: var(--ull-radius);
    margin-bottom: 10px;
}

.ull-doc-icon {
    width: 40px;
    height: 40px;
    background: var(--ull-light);
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ull-doc-link {
    flex: 1;
    color: var(--ull-text);
    text-decoration: none;
}

.ull-doc-link:hover {
    color: var(--ull-primary);
}

.ull-doc-type {
    padding: 3px 8px;
    background: var(--ull-primary);
    color: #fff;
    border-radius: 3px;
    font-size: 11px;
}

/* Buscador avanzado */
.ull-buscador-avanzado {
    background: var(--ull-light);
    padding: 25px;
    border-radius: var(--ull-radius);
}

.ull-search-main {
    display: flex;
    margin-bottom: 20px;
}

.ull-search-advanced-input {
    flex: 1;
    padding: 15px 20px;
    font-size: 18px;
    border: 2px solid var(--ull-border);
    border-radius: var(--ull-radius) 0 0 var(--ull-radius);
}

.ull-search-advanced-btn {
    padding: 15px 30px;
    font-size: 16px;
    background: var(--ull-primary);
    color: #fff;
    border: none;
    border-radius: 0 var(--ull-radius) var(--ull-radius) 0;
    cursor: pointer;
}

.ull-search-advanced-filters {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 15px;
}

.ull-filter-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 13px;
    font-weight: 600;
    color: var(--ull-text-muted);
}

.ull-filter-group select,
.ull-filter-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--ull-border);
    border-radius: var(--ull-radius);
}

/* Sugerencias */
.ull-search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid var(--ull-border);
    border-radius: var(--ull-radius);
    box-shadow: var(--ull-shadow);
    z-index: 100;
    max-height: 300px;
    overflow-y: auto;
}

.ull-suggestion-item {
    padding: 10px 15px;
    cursor: pointer;
    border-bottom: 1px solid var(--ull-light);
}

.ull-suggestion-item:hover {
    background: var(--ull-light);
}

/* Archivo */
.ull-archivo-normativa {
    max-width: 800px;
}

.ull-archivo-grupo {
    margin-bottom: 30px;
}

.ull-archivo-year,
.ull-archivo-term {
    font-size: 22px;
    color: var(--ull-primary);
    margin: 0 0 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--ull-border);
}

.ull-archivo-year .ull-count,
.ull-archivo-term .ull-count {
    font-size: 14px;
    color: var(--ull-text-muted);
    font-weight: 400;
}

.ull-archivo-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ull-archivo-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--ull-light);
}

.ull-archivo-list a {
    color: var(--ull-text);
    text-decoration: none;
    display: flex;
    gap: 10px;
}

.ull-archivo-list a:hover {
    color: var(--ull-primary);
}

.ull-archivo-numero {
    font-weight: 600;
    min-width: 100px;
}

/* Sin resultados */
.ull-no-results,
.ull-no-content,
.ull-error {
    padding: 40px;
    text-align: center;
    color: var(--ull-text-muted);
    background: var(--ull-light);
    border-radius: var(--ull-radius);
}

/* Loading */
.ull-loading {
    text-align: center;
    padding: 40px;
}

.ull-loading::after {
    content: '';
    display: inline-block;
    width: 30px;
    height: 30px;
    border: 3px solid var(--ull-border);
    border-top-color: var(--ull-primary);
    border-radius: 50%;
    animation: ull-spin 1s linear infinite;
}

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

/* Responsive */
@media (max-width: 768px) {
    .ull-normativa-header {
        flex-direction: column;
    }
    
    .ull-search-form {
        min-width: 100%;
    }
    
    .ull-filters {
        width: 100%;
    }
    
    .ull-filter-select {
        width: calc(50% - 5px);
    }
    
    .ull-normas-cards {
        grid-template-columns: 1fr;
    }
    
    .ull-norma-link {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .ull-norma-meta {
        flex-wrap: wrap;
    }
    
    .ull-ficha-tabs {
        overflow-x: auto;
    }
    
    .ull-ficha-tabs .ull-tab {
        white-space: nowrap;
        padding: 12px 15px;
    }
    
    .ull-search-advanced-filters {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .ull-filter-select {
        width: 100%;
    }
    
    .ull-search-advanced-filters {
        grid-template-columns: 1fr;
    }
    
    .ull-norma-info {
        grid-template-columns: 1fr;
    }
    
    .ull-norma-info dt {
        margin-top: 10px;
    }
}

/* ============================================
   VERSIONES ANTERIORES
   ============================================ */

/* Aviso de versión anterior */
.ull-version-notice {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    background: linear-gradient(135deg, #fff3cd 0%, #ffeeba 100%);
    border: 1px solid #ffc107;
    border-radius: var(--ull-radius);
    margin-bottom: 20px;
}

.ull-version-notice-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ull-version-notice-content strong {
    color: #856404;
    font-size: 15px;
}

.ull-version-notice-info {
    color: #856404;
    font-size: 13px;
}

.ull-version-notice-link {
    background: #856404;
    color: #fff;
    padding: 8px 16px;
    border-radius: var(--ull-radius);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.2s;
}

.ull-version-notice-link:hover {
    background: #6c5303;
    color: #fff;
}

/* Etiqueta de versión histórica */
.ull-ficha-version-old {
    background: #6c757d;
    color: #fff;
    padding: 4px 10px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Etiqueta de versión actual */
.ull-ficha-version-current {
    background: var(--ull-vigente);
    color: #fff;
    padding: 4px 10px;
    border-radius: var(--ull-radius);
    font-size: 11px;
    font-weight: 600;
    cursor: help;
}

/* Contenido de versión antigua */
.ull-contenido-version-antigua {
    background: color-mix(in srgb, var(--ull-modificada) 10%, var(--ull-surface));
    border: 1px dashed var(--ull-modificada);
    border-radius: var(--ull-radius);
    padding: 25px;
}

/* Cambios de versión */
.ull-version-changes {
    margin-top: 20px;
    padding: 15px 20px;
    background: var(--ull-background);
    border-left: 4px solid var(--ull-primary);
    border-radius: 0 var(--ull-radius) var(--ull-radius) 0;
}

.ull-version-changes strong {
    display: block;
    margin-bottom: 8px;
    color: var(--ull-primary);
}

.ull-version-changes p {
    margin: 0;
    color: var(--ull-text-muted);
}

/* Lista de versiones anteriores */
.ull-versiones-intro {
    margin-bottom: 20px;
    color: var(--ull-text-muted);
    font-size: 14px;
}

.ull-versiones-lista {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ull-version-item {
    border: 1px solid var(--ull-border);
    border-radius: var(--ull-radius);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.ull-version-item:hover {
    border-color: var(--ull-primary);
    box-shadow: 0 2px 8px rgba(0, 51, 102, 0.1);
}

.ull-version-link {
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: var(--ull-text);
}

.ull-version-link:hover {
    color: var(--ull-text);
}

.ull-version-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 5px;
}

.ull-version-number {
    font-size: 16px;
    color: var(--ull-primary);
}

.ull-version-date {
    font-size: 13px;
    color: var(--ull-text-muted);
}

.ull-version-summary {
    margin: 0;
    font-size: 14px;
    color: var(--ull-text-muted);
    line-height: 1.5;
}

/* Responsive versiones */
@media (max-width: 600px) {
    .ull-version-notice {
        flex-direction: column;
        text-align: center;
    }
    
    .ull-version-notice-link {
        width: 100%;
        text-align: center;
    }
}

/* Enlaces de términos (tipo, materia, órgano) */
.ull-term-link {
    color: var(--ull-primary);
    text-decoration: none;
    padding: 2px 8px;
    background: var(--ull-light);
    border-radius: 3px;
    font-size: 14px;
    transition: background 0.2s, color 0.2s;
}

.ull-term-link:hover {
    background: var(--ull-primary);
    color: #fff;
}

.ull-info-item .ull-term-link + .ull-term-link {
    margin-left: 5px;
}

/* ============================================
   NUBE DE MATERIAS
   ============================================ */

.ull-nube-materias {
    background: var(--ull-background);
    border: 1px solid var(--ull-border);
    border-radius: var(--ull-radius);
    overflow: hidden;
    margin-bottom: 30px;
}

.ull-nube-titulo {
    font-size: 16px;
    font-weight: 600;
    color: var(--ull-heading);
    margin: 0;
    padding: 15px 20px;
    background: var(--ull-surface);
    border-bottom: 1px solid var(--ull-border);
}

.ull-nube-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    padding: 20px;
}

.ull-nube-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--ull-surface);
    border: 1px solid var(--ull-border);
    border-radius: var(--ull-radius);
    color: var(--ull-text);
    text-decoration: none;
    font-family: var(--ull-font);
    transition: all 0.2s;
}

.ull-nube-tag:hover {
    background: var(--ull-primary);
    border-color: var(--ull-primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--ull-shadow-hover);
}

.ull-nube-tag:hover .ull-nube-count {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.ull-nube-count {
    font-size: 11px;
    padding: 2px 6px;
    background: var(--ull-background);
    border-radius: 10px;
    color: var(--ull-text-muted);
    font-weight: 600;
}

/* ============================================
   ARCHIVO MEJORADO
   ============================================ */

.ull-archivo-controles {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--ull-border);
}

.ull-archivo-label {
    font-weight: 600;
    color: var(--ull-text-muted);
    font-size: 14px;
}

.ull-archivo-tabs {
    display: flex;
    gap: 5px;
}

.ull-archivo-tab {
    padding: 8px 16px;
    background: var(--ull-light);
    border: 1px solid var(--ull-border);
    border-radius: var(--ull-radius);
    color: var(--ull-text);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
}

.ull-archivo-tab:hover {
    background: var(--ull-primary);
    border-color: var(--ull-primary);
    color: #fff;
}

.ull-archivo-tab.active {
    background: var(--ull-primary);
    border-color: var(--ull-primary);
    color: #fff;
    font-weight: 600;
}

.ull-archivo-grupo {
    margin-bottom: 30px;
}

.ull-archivo-header {
    font-size: 20px;
    color: var(--ull-primary);
    margin: 0 0 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--ull-border);
}

.ull-archivo-header-link {
    color: var(--ull-primary);
    text-decoration: none;
}

.ull-archivo-header-link:hover {
    text-decoration: underline;
}

.ull-archivo-count {
    font-size: 14px;
    color: var(--ull-text-muted);
    font-weight: 400;
}

.ull-archivo-lista {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ull-archivo-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    padding: 12px 0;
    border-bottom: 1px solid var(--ull-light);
}

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

.ull-archivo-item > a {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    color: var(--ull-text);
    text-decoration: none;
}

.ull-archivo-item > a:hover {
    color: var(--ull-primary);
}

.ull-archivo-numero {
    font-weight: 600;
    font-size: 13px;
    color: var(--ull-primary);
    background: var(--ull-light);
    padding: 3px 8px;
    border-radius: 3px;
    white-space: nowrap;
}

.ull-archivo-titulo {
    flex: 1;
}

.ull-archivo-fecha {
    font-size: 13px;
    color: var(--ull-text-muted);
    white-space: nowrap;
}

/* Responsive archivo */
@media (max-width: 600px) {
    .ull-archivo-controles {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .ull-archivo-tabs {
        flex-wrap: wrap;
    }
    
    .ull-archivo-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .ull-archivo-item > a {
        flex-wrap: wrap;
    }
    
    .ull-nube-tags {
        gap: 8px;
    }
    
    .ull-nube-tag {
        font-size: 13px;
        padding: 5px 10px;
    }
}

/* ============================================
   TABLA DE CONTENIDOS AUTOMÁTICA (v2.0)
   ============================================ */

.ull-tabla-contenidos {
    background: var(--ull-light);
    border: 2px solid var(--ull-border);
    border-radius: var(--ull-radius);
    padding: 1.5rem;
    margin: 2rem 0;
    box-shadow: var(--ull-shadow);
}

.ull-toc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--ull-border);
}

.ull-toc-titulo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--ull-primary);
    margin: 0;
    flex: 1;
}

.ull-toc-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: 1px solid var(--ull-border);
    border-radius: 6px;
    cursor: pointer;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: var(--ull-primary);
    transition: all 0.3s ease;
    font-family: inherit;
}

.ull-toc-toggle:hover {
    background: var(--ull-primary);
    color: white;
    border-color: var(--ull-primary);
}

.ull-toc-toggle:focus {
    outline: 2px solid var(--ull-primary);
    outline-offset: 2px;
}

.ull-toc-toggle-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.ull-toc-icon-expand,
.ull-toc-icon-collapse {
    display: block;
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.ull-toc-icon-collapse {
    display: none;
}

.ull-toc-collapsed ~ .ull-toc-header .ull-toc-icon-expand {
    display: none;
}

.ull-toc-collapsed ~ .ull-toc-header .ull-toc-icon-collapse {
    display: block;
}

/* Cuando el índice está colapsado, mostrar ícono expandir */
.ull-toc-inicialmente-colapsado .ull-toc-icon-expand {
    display: block;
}

.ull-toc-inicialmente-colapsado .ull-toc-icon-collapse {
    display: none;
}

.ull-toc-toggle-text {
    display: flex;
    align-items: center;
    font-weight: 500;
}

.ull-toc-text-expand {
    display: block;
}

.ull-toc-text-collapse {
    display: none;
}

.ull-toc-collapsed ~ .ull-toc-header .ull-toc-text-expand {
    display: none;
}

.ull-toc-collapsed ~ .ull-toc-header .ull-toc-text-collapse {
    display: block;
}

.ull-toc-counter {
    color: var(--ull-text-light, #666);
    font-size: 0.75rem;
    margin-left: 0.25rem;
}

.ull-toc-lista {
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s ease, margin-top 0.3s ease;
    max-height: 5000px;
    opacity: 1;
    margin-top: 1rem;
}

.ull-toc-lista.ull-toc-collapsed {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
}

/* Lista de contenidos */
.ull-toc-list,
.ull-toc-numbered {
    list-style: none;
    margin: 0;
    padding: 0;
}

.ull-toc-sublist,
.ull-toc-subnumbered {
    list-style: none;
    margin-left: 1.5rem;
    margin-top: 0.5rem;
    padding-left: 1rem;
    border-left: 2px solid var(--ull-border);
}

.ull-toc-item {
    margin: 0.5rem 0;
}

.ull-toc-link {
    display: inline-block;
    color: var(--ull-text);
    text-decoration: none;
    padding: 0.375rem 0.75rem;
    border-radius: 4px;
    transition: all 0.2s ease;
    position: relative;
    line-height: 1.5;
}

.ull-toc-link:hover {
    background: var(--ull-secondary);
    color: white;
    text-decoration: none;
    transform: translateX(4px);
}

/* Estado activo del enlace (cuando estás en esa sección) */
.ull-toc-link.ull-toc-active {
    background: var(--ull-primary);
    color: white;
    font-weight: 600;
}

.ull-toc-link.ull-toc-active:before {
    content: "●";
    opacity: 1;
    left: -1rem;
    color: white;
}

.ull-toc-link:before {
    content: "→";
    position: absolute;
    left: -1rem;
    opacity: 0;
    transition: all 0.2s ease;
}

.ull-toc-link:hover:before {
    opacity: 1;
    left: -1.25rem;
}

/* Niveles específicos */
.ull-toc-level-1 .ull-toc-link {
    font-weight: 700;
    font-size: 1rem;
}

.ull-toc-level-2 .ull-toc-link {
    font-weight: 600;
    font-size: 0.9375rem;
}

.ull-toc-level-3 .ull-toc-link {
    font-weight: 500;
    font-size: 0.875rem;
}

.ull-toc-level-4 .ull-toc-link,
.ull-toc-level-5 .ull-toc-link,
.ull-toc-level-6 .ull-toc-link {
    font-weight: 400;
    font-size: 0.8125rem;
    color: var(--ull-text-muted);
}

/* Estilo numerado */
.ull-toc-numerado .ull-toc-numbered {
    list-style: decimal;
    padding-left: 1.5rem;
}

.ull-toc-numerado .ull-toc-subnumbered {
    list-style: lower-alpha;
    margin-left: 1rem;
    padding-left: 1.5rem;
}

/* Efecto de resaltado cuando se navega a un encabezado desde TOC */
h1[id^="toc-"]:target,
h2[id^="toc-"]:target,
h3[id^="toc-"]:target,
h4[id^="toc-"]:target,
h5[id^="toc-"]:target,
h6[id^="toc-"]:target {
    animation: ull-toc-highlight 2s ease-in-out;
    background: linear-gradient(90deg, rgba(0, 102, 204, 0.1) 0%, transparent 100%);
    padding-left: 1rem;
    margin-left: -1rem;
    border-left: 4px solid var(--ull-secondary);
}

@keyframes ull-toc-highlight {
    0% {
        background-color: rgba(0, 102, 204, 0.2);
    }
    100% {
        background-color: transparent;
    }
}

/* Mejora visual para enlaces activos del TOC */
.ull-toc-link:active {
    background: var(--ull-primary);
    color: white;
}

/* Resaltado temporal cuando se navega desde TOC */
.ull-toc-highlight {
    animation: ull-toc-flash 2s ease-in-out;
    background: linear-gradient(90deg, rgba(0, 102, 204, 0.1) 0%, transparent 100%);
    padding-left: 1rem;
    margin-left: -1rem;
    border-left: 4px solid var(--ull-secondary);
}

@keyframes ull-toc-flash {
    0%, 100% {
        background-color: transparent;
    }
    50% {
        background-color: rgba(0, 102, 204, 0.15);
    }
}

.ull-toc-numerado .ull-toc-subnumbered .ull-toc-subnumbered {
    list-style: lower-roman;
}

/* Mensaje de vacío */
.ull-toc-empty {
    padding: 1rem;
    text-align: center;
    color: var(--ull-text-muted);
    font-style: italic;
}

/* Encabezados con IDs para anclaje */
.ull-contenido-norma h1,
.ull-contenido-norma h2,
.ull-contenido-norma h3,
.ull-contenido-norma h4,
.ull-contenido-norma h5,
.ull-contenido-norma h6 {
    scroll-margin-top: 2rem;
    position: relative;
}

/* Indicador visual al hacer scroll a un encabezado */
.ull-contenido-norma h1:target,
.ull-contenido-norma h2:target,
.ull-contenido-norma h3:target,
.ull-contenido-norma h4:target,
.ull-contenido-norma h5:target,
.ull-contenido-norma h6:target {
    background: rgba(0, 102, 204, 0.1);
    padding: 0.5rem;
    margin: -0.5rem;
    border-radius: 4px;
    animation: highlightSection 2s ease-out;
}

@keyframes highlightSection {
    from {
        background: rgba(0, 102, 204, 0.3);
    }
    to {
        background: rgba(0, 102, 204, 0.05);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .ull-tabla-contenidos {
        padding: 1rem;
    }
    
    .ull-toc-titulo {
        font-size: 1.125rem;
    }
    
    .ull-toc-sublist,
    .ull-toc-subnumbered {
        margin-left: 1rem;
        padding-left: 0.75rem;
    }
    
    .ull-toc-link {
        padding: 0.25rem 0.5rem;
        font-size: 0.875rem;
    }
    
    .ull-toc-level-1 .ull-toc-link {
        font-size: 0.9375rem;
    }
}

/* Impresión */
@media print {
    .ull-toc-toggle {
        display: none;
    }
    
    .ull-tabla-contenidos {
        background: white;
        border: 1px solid #000;
        box-shadow: none;
        page-break-inside: avoid;
    }
    
    .ull-toc-link {
        color: #000;
    }
    
    .ull-toc-link:after {
        content: " (" attr(href) ")";
        font-size: 0.75rem;
        color: #666;
    }
}