/* =====================================================================
   Base de conocimiento / Centro de ayuda — estilos propios
   Coherente con Metronic v8 (variables --bs-* / --kt-*) pero más pulido.
   Afecta a: HOME (/manuales) y DETALLE (/manuales/{slug}).
   ===================================================================== */

/* ------------------------------------------------------------------ */
/*  Tokens locales (derivados de la paleta del panel)                  */
/* ------------------------------------------------------------------ */
.kb {
    --kb-accent: var(--bs-primary, #009ef7);
    --kb-accent-rgb: var(--bs-primary-rgb, 0, 158, 247);
    --kb-surface: var(--bs-body-bg, #fff);
    --kb-radius: 1rem;
    --kb-radius-lg: 1.5rem;
    --kb-ease: cubic-bezier(0.32, 0.72, 0, 1);
    --kb-shadow-soft: 0 8px 30px rgba(20, 33, 61, 0.06);
    --kb-shadow-hover: 0 18px 48px rgba(var(--kb-accent-rgb), 0.16);
    --kb-line: var(--bs-gray-200, #eff2f5);
}

/* ================================================================== */
/*  HERO + BUSCADOR                                                    */
/* ================================================================== */
.kb-hero {
    position: relative;
    overflow: hidden;
    border-radius: var(--kb-radius-lg);
    padding: clamp(2.25rem, 5vw, 3.75rem) clamp(1.5rem, 4vw, 3rem);
    background:
        radial-gradient(120% 140% at 0% 0%, rgba(var(--kb-accent-rgb), 0.10) 0%, transparent 55%),
        radial-gradient(120% 140% at 100% 0%, rgba(var(--kb-accent-rgb), 0.07) 0%, transparent 50%),
        linear-gradient(180deg, var(--bs-gray-100, #f9f9f9) 0%, var(--bs-body-bg, #fff) 100%);
    border: 1px solid var(--kb-line);
    text-align: center; /* hero centrado: eyebrow, título, subtítulo, buscador y chips */
}

.kb-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    font-size: .6875rem;
    font-weight: 600;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--kb-accent);
    background: rgba(var(--kb-accent-rgb), 0.10);
    padding: .375rem .75rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}

.kb-hero__title {
    font-size: clamp(1.65rem, 3.4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--bs-gray-900, #181c32);
    margin-bottom: .5rem;
}

.kb-hero__subtitle {
    font-size: clamp(.95rem, 1.6vw, 1.0625rem);
    color: var(--bs-gray-600, #7e8299);
    max-width: 46ch;
    margin: 0 auto 1.75rem; /* centrado */
}

/* --- Buscador grande (centrado) --- */
.kb-search {
    position: relative;
    max-width: 640px;
    margin: 0 auto; /* centra el campo de búsqueda en el hero */
    text-align: left; /* el contenido interno (input) vuelve a alinearse a la izquierda */
}

.kb-search__icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.05rem;
    color: var(--bs-gray-500, #a1a5b7);
    pointer-events: none;
    transition: color .3s var(--kb-ease);
}

.kb-search__input {
    width: 100%;
    height: 60px;
    padding: 0 8.5rem 0 3.25rem;
    font-size: 1.05rem;
    color: var(--bs-gray-900, #181c32);
    background: var(--bs-body-bg, #fff);
    border: 1px solid var(--kb-line);
    border-radius: 999px;
    box-shadow: var(--kb-shadow-soft);
    outline: none;
    transition: border-color .35s var(--kb-ease), box-shadow .35s var(--kb-ease);
}

.kb-search__input::placeholder { color: var(--bs-gray-500, #a1a5b7); }

.kb-search__input:focus {
    border-color: rgba(var(--kb-accent-rgb), 0.55);
    box-shadow: 0 0 0 4px rgba(var(--kb-accent-rgb), 0.12), var(--kb-shadow-soft);
}

.kb-search:focus-within .kb-search__icon { color: var(--kb-accent); }

.kb-search__btn {
    position: absolute;
    right: .4rem;
    top: 50%;
    transform: translateY(-50%);
    height: 48px;
    padding: 0 1.4rem;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    font-weight: 600;
    font-size: .95rem;
    color: #fff;
    background: var(--kb-accent);
    border: none;
    border-radius: 999px;
    cursor: pointer;
    transition: transform .25s var(--kb-ease), box-shadow .25s var(--kb-ease), filter .25s var(--kb-ease);
}

.kb-search__btn:hover { filter: brightness(1.05); box-shadow: 0 8px 20px rgba(var(--kb-accent-rgb), 0.35); }
.kb-search__btn:active { transform: translateY(-50%) scale(0.97); }

/* En pantallas muy estrechas el botón pasa a icono */
@media (max-width: 575.98px) {
    .kb-search__input { padding-right: 4rem; }
    .kb-search__btn { padding: 0 .9rem; }
    .kb-search__btn span { display: none; }
}

/* --- Temas populares (chips bajo el buscador) --- */
.kb-hero__chips {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    margin-top: 1.5rem;
}

.kb-hero__chips-label {
    font-size: .8125rem;
    font-weight: 600;
    color: var(--bs-gray-500, #a1a5b7);
    margin-right: .25rem;
}

.kb-chip {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .4rem .9rem;
    font-size: .8125rem;
    font-weight: 600;
    color: var(--bs-gray-700, #5e6278);
    background: var(--bs-body-bg, #fff);
    border: 1px solid var(--kb-line);
    border-radius: 999px;
    cursor: pointer;
    transition: color .25s var(--kb-ease), background .25s var(--kb-ease), border-color .25s var(--kb-ease), transform .25s var(--kb-ease);
}

.kb-chip i { font-size: .75rem; color: var(--bs-gray-400, #b5b5c3); transition: color .25s var(--kb-ease); }

.kb-chip:hover {
    color: var(--kb-accent);
    background: rgba(var(--kb-accent-rgb), 0.08);
    border-color: rgba(var(--kb-accent-rgb), 0.35);
    transform: translateY(-2px);
}
.kb-chip:hover i { color: var(--kb-accent); }

/* ================================================================== */
/*  SELECTOR DE ICONOS (gestión de categorías)                        */
/* ================================================================== */
.kb-iconpicker__bar {
    display: flex;
    align-items: center;
    gap: .5rem;
    margin-bottom: .6rem;
}

.kb-iconpicker__bar .input-group { flex: 1 1 auto; }

.kb-iconpicker__preview {
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border-radius: .6rem;
    font-size: 1.1rem;
    color: var(--bs-primary, #009ef7);
    background: rgba(var(--bs-primary-rgb, 0, 158, 247), 0.10);
    border: 1px solid rgba(var(--bs-primary-rgb, 0, 158, 247), 0.20);
}

.kb-iconpicker__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(44px, 1fr));
    gap: .35rem;
    max-height: 220px;
    overflow-y: auto;
    padding: .5rem;
    border: 1px solid var(--bs-gray-200, #eff2f5);
    border-radius: .6rem;
    background: var(--bs-gray-100, #f9f9f9);
}

.kb-iconpicker__grid::-webkit-scrollbar { width: 8px; }
.kb-iconpicker__grid::-webkit-scrollbar-thumb { background: var(--bs-gray-300, #e1e3ea); border-radius: 999px; }

.kb-iconpicker__item {
    aspect-ratio: 1 / 1;
    display: grid;
    place-items: center;
    font-size: 1.05rem;
    color: var(--bs-gray-700, #5e6278);
    background: var(--bs-body-bg, #fff);
    border: 1px solid var(--bs-gray-200, #eff2f5);
    border-radius: .55rem;
    cursor: pointer;
    transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease;
}

.kb-iconpicker__item:hover {
    color: var(--bs-primary, #009ef7);
    background: rgba(var(--bs-primary-rgb, 0, 158, 247), 0.08);
    border-color: rgba(var(--bs-primary-rgb, 0, 158, 247), 0.35);
    transform: translateY(-2px);
}

.kb-iconpicker__item.is-active {
    color: #fff;
    background: var(--bs-primary, #009ef7);
    border-color: var(--bs-primary, #009ef7);
    box-shadow: 0 4px 12px rgba(var(--bs-primary-rgb, 0, 158, 247), 0.35);
}

/* ================================================================== */
/*  DESTACADOS                                                         */
/* ================================================================== */
.kb-featured__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
}

.kb-featured__card {
    display: flex;
    align-items: flex-start;
    gap: .9rem;
    padding: 1.1rem 1.2rem;
    background: var(--bs-body-bg, #fff);
    border: 1px solid var(--kb-line);
    border-radius: var(--kb-radius);
    text-decoration: none;
    box-shadow: var(--kb-shadow-soft);
    transition: transform .4s var(--kb-ease), box-shadow .4s var(--kb-ease), border-color .4s var(--kb-ease);
}

.kb-featured__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--kb-shadow-hover);
    border-color: rgba(var(--kb-accent-rgb), 0.35);
}

.kb-featured__icon {
    flex: 0 0 auto;
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: .75rem;
    font-size: 1.1rem;
    color: var(--kb-accent);
    background: rgba(var(--kb-accent-rgb), 0.10);
    transition: background .4s var(--kb-ease), color .4s var(--kb-ease);
}

.kb-featured__card:hover .kb-featured__icon { background: var(--kb-accent); color: #fff; }

.kb-featured__title {
    font-weight: 600;
    font-size: .95rem;
    line-height: 1.35;
    color: var(--bs-gray-900, #181c32);
    margin: 0;
}

.kb-featured__meta {
    display: block;
    margin-top: .15rem;
    font-size: .75rem;
    color: var(--bs-gray-500, #a1a5b7);
}

/* ================================================================== */
/*  LAYOUT 2 COLUMNAS                                                  */
/* ================================================================== */
.kb-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 991.98px) {
    .kb-layout { grid-template-columns: 1fr; gap: 1.25rem; }
}

/* --- Sidebar categorías --- */
.kb-sidebar {
    position: sticky;
    top: 1rem;
    /* Si la lista de categorías es más alta que la pantalla, scrollea por dentro
       en vez de quedar pinada con su parte inferior inalcanzable.
       SIN overscroll-behavior:contain → el scroll de rueda encadena a la página
       cuando el sidebar llega a su tope (si no, el cursor sobre el sidebar
       "atrapaba" el scroll y no se llegaba al final del listado). */
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
    padding: 1.25rem;
    background: var(--bs-body-bg, #fff);
    border: 1px solid var(--kb-line);
    border-radius: var(--kb-radius);
    box-shadow: var(--kb-shadow-soft);
}

/* Scrollbar discreta para el sidebar */
.kb-sidebar::-webkit-scrollbar { width: 8px; }
.kb-sidebar::-webkit-scrollbar-thumb { background: var(--bs-gray-300, #e1e3ea); border-radius: 999px; }
.kb-sidebar::-webkit-scrollbar-thumb:hover { background: var(--bs-gray-400, #b5b5c3); }

@media (max-width: 991.98px) {
    .kb-sidebar { position: static; max-height: none; overflow: visible; }
}

.kb-sidebar__title {
    font-size: .6875rem;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--bs-gray-500, #a1a5b7);
    margin-bottom: 1rem;
}

.kb-cat__area { margin-bottom: 1.1rem; }
.kb-cat__area:last-child { margin-bottom: 0; }

.kb-cat__area-head {
    display: flex;
    align-items: center;
    gap: .55rem;
    font-weight: 700;
    font-size: .9375rem;
    color: var(--bs-gray-800, #3f4254);
    margin-bottom: .4rem;
}

.kb-cat__area-head i { color: var(--kb-accent); font-size: .95rem; }

.kb-cat__list { display: flex; flex-direction: column; gap: .1rem; }

.kb-cat__item {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .5rem .65rem;
    border-radius: .65rem;
    font-size: .875rem;
    color: var(--bs-gray-700, #5e6278);
    text-decoration: none;
    cursor: pointer;
    border-left: 2px solid transparent;
    transition: background .25s var(--kb-ease), color .25s var(--kb-ease), border-color .25s var(--kb-ease), transform .25s var(--kb-ease);
}

.kb-cat__item i { font-size: .8rem; color: var(--bs-gray-400, #b5b5c3); transition: color .25s var(--kb-ease); }

.kb-cat__item:hover {
    background: var(--bs-gray-100, #f9f9f9);
    color: var(--kb-accent);
    transform: translateX(2px);
}
.kb-cat__item:hover i { color: var(--kb-accent); }

.kb-cat__item.is-active {
    background: rgba(var(--kb-accent-rgb), 0.10);
    color: var(--kb-accent);
    font-weight: 600;
    border-left-color: var(--kb-accent);
}
.kb-cat__item.is-active i { color: var(--kb-accent); }

/* --- Listado de resultados --- */
.kb-results__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.kb-results__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--bs-gray-900, #181c32);
    margin: 0;
}

.kb-results__count {
    font-size: .8125rem;
    color: var(--bs-gray-500, #a1a5b7);
}

.kb-results__list { display: flex; flex-direction: column; gap: .75rem; }

.kb-result {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.1rem 1.25rem;
    background: var(--bs-body-bg, #fff);
    border: 1px solid var(--kb-line);
    border-radius: var(--kb-radius);
    text-decoration: none;
    box-shadow: 0 1px 2px rgba(20, 33, 61, 0.03);
    transition: transform .35s var(--kb-ease), box-shadow .35s var(--kb-ease), border-color .35s var(--kb-ease);
}

.kb-result:hover {
    transform: translateY(-3px);
    box-shadow: var(--kb-shadow-hover);
    border-color: rgba(var(--kb-accent-rgb), 0.30);
}

.kb-result__icon {
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: .75rem;
    font-size: 1.05rem;
    color: var(--kb-accent);
    background: rgba(var(--kb-accent-rgb), 0.08);
    transition: background .35s var(--kb-ease), color .35s var(--kb-ease);
}

.kb-result:hover .kb-result__icon { background: var(--kb-accent); color: #fff; }

.kb-result__body { flex: 1 1 auto; min-width: 0; }

.kb-result__title-row {
    display: flex;
    align-items: center;
    gap: .5rem;
    flex-wrap: wrap;
    margin-bottom: .25rem;
}

.kb-result__title {
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.35;
    color: var(--bs-gray-900, #181c32);
    transition: color .25s var(--kb-ease);
}

.kb-result:hover .kb-result__title { color: var(--kb-accent); }

.kb-result__resumen {
    font-size: .8625rem;
    line-height: 1.5;
    color: var(--bs-gray-600, #7e8299);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.kb-result__date {
    flex: 0 0 auto;
    font-size: .75rem;
    color: var(--bs-gray-400, #b5b5c3);
    white-space: nowrap;
    padding-top: .15rem;
}

.kb-badge-nuevo {
    display: inline-flex;
    align-items: center;
    font-size: .6875rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--bs-success, #50cd89);
    background: rgba(80, 205, 137, 0.12);
    padding: .15rem .5rem;
    border-radius: 999px;
}

.kb-badge-star {
    display: inline-flex;
    align-items: center;
    color: var(--bs-warning, #ffc700);
    font-size: .75rem;
}

/* --- Estado vacío --- */
.kb-empty {
    text-align: center;
    padding: 3.5rem 1rem;
    color: var(--bs-gray-500, #a1a5b7);
}
.kb-empty i { font-size: 3rem; color: var(--bs-gray-300, #e1e3ea); display: block; margin-bottom: 1rem; }

/* ------------------------------------------------------------------ */
/*  Entrada escalonada (fade-up sutil)                                 */
/* ------------------------------------------------------------------ */
@media (prefers-reduced-motion: no-preference) {
    .kb-stagger {
        opacity: 0;
        transform: translateY(14px);
        animation: kb-fade-up .6s var(--kb-ease) forwards;
    }
    .kb-stagger:nth-child(1) { animation-delay: .02s; }
    .kb-stagger:nth-child(2) { animation-delay: .06s; }
    .kb-stagger:nth-child(3) { animation-delay: .10s; }
    .kb-stagger:nth-child(4) { animation-delay: .14s; }
    .kb-stagger:nth-child(5) { animation-delay: .18s; }
    .kb-stagger:nth-child(6) { animation-delay: .22s; }
    .kb-stagger:nth-child(n+7) { animation-delay: .26s; }
}

@keyframes kb-fade-up {
    to { opacity: 1; transform: translateY(0); }
}

/* ================================================================== */
/*  DETALLE — título propio (el badge "Nuevo" vive aquí) + tipografía  */
/* ================================================================== */
.manual-titulo {
    font-size: clamp(1.5rem, 2.6vw, 2.1rem);
    font-weight: 700;
    line-height: 1.18;
    letter-spacing: -0.02em;
    color: var(--bs-gray-900, #181c32);
    margin: 0;
}

/* Tipografía del cuerpo Markdown — más aire y jerarquía */
.manual-contenido { font-size: .975rem; line-height: 1.7; color: var(--bs-gray-800, #3f4254); }
.manual-contenido h2 {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--bs-gray-900, #181c32);
    margin: 2.25rem 0 .9rem;
    padding-bottom: .5rem;
    border-bottom: 1px solid var(--bs-gray-200, #eff2f5);
}
.manual-contenido h3 {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--bs-gray-900, #181c32);
    margin: 1.75rem 0 .65rem;
}
.manual-contenido p { margin: 0 0 1rem; }
.manual-contenido ul, .manual-contenido ol { margin: 0 0 1rem; padding-left: 1.3rem; }
.manual-contenido li { margin-bottom: .35rem; }
.manual-contenido blockquote {
    margin: 1.25rem 0;
    padding: .65rem 1.1rem;
    border-left: 3px solid rgba(var(--bs-primary-rgb, 0, 158, 247), .45);
    background: var(--bs-gray-100, #f9f9f9);
    border-radius: .35rem;
    color: var(--bs-gray-700, #5e6278);
}
.manual-contenido code {
    font-size: .85em;
    padding: .12rem .4rem;
    border-radius: .35rem;
    background: var(--bs-gray-100, #f1f1f4);
    color: var(--bs-gray-900, #181c32);
}
.manual-contenido pre { overflow-x: auto; border-radius: .65rem; }
.manual-contenido pre code { background: transparent; padding: 0; }
.manual-contenido table {
    border-collapse: collapse;
    width: 100%;
    margin: 1.25rem 0;
    font-size: .9rem;
}
.manual-contenido th, .manual-contenido td {
    border: 1px solid var(--bs-gray-200, #eff2f5);
    padding: .55rem .75rem;
    text-align: left;
    vertical-align: top;
}
.manual-contenido thead th {
    background: var(--bs-gray-100, #f9f9f9);
    font-weight: 600;
    color: var(--bs-gray-800, #3f4254);
}

/* ================================================================== */
/*  CONTENIDO DEL DETALLE — imágenes responsive + lightbox            */
/* ================================================================== */
.manual-contenido img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1.25rem 0;
    border: 1px solid var(--bs-gray-200, #eff2f5);
    border-radius: .75rem;
    box-shadow: 0 6px 22px rgba(20, 33, 61, 0.07);
    cursor: zoom-in;
    transition: transform .35s var(--kb-ease, cubic-bezier(0.32, 0.72, 0, 1)), box-shadow .35s var(--kb-ease, cubic-bezier(0.32, 0.72, 0, 1));
}

.manual-contenido img:hover {
    transform: translateY(-2px) scale(1.005);
    box-shadow: 0 14px 36px rgba(20, 33, 61, 0.14);
}

/* Tablas e iframes del contenido tampoco deben desbordar */
.manual-contenido table { max-width: 100%; }
.manual-contenido iframe,
.manual-contenido video { max-width: 100%; }

/* ------------------------------------------------------------------ */
/*  Lightbox (overlay creado dinámicamente por manuales-lightbox.js)   */
/* ------------------------------------------------------------------ */
.kb-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1090; /* por encima de la mayoría de overlays Metronic */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4vmin;
    background: rgba(15, 18, 30, 0.82);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    opacity: 0;
    transition: opacity .3s ease;
}

.kb-lightbox.is-open { opacity: 1; }

.kb-lightbox__img {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: .75rem;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
    transform: scale(0.94);
    opacity: 0;
    transition: transform .35s cubic-bezier(0.32, 0.72, 0, 1), opacity .35s ease;
    cursor: zoom-out;
}

.kb-lightbox.is-open .kb-lightbox__img { transform: scale(1); opacity: 1; }

.kb-lightbox__close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: none;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    transition: background .25s ease, transform .25s ease;
}

.kb-lightbox__close:hover { background: rgba(255, 255, 255, 0.24); transform: rotate(90deg); }

@media (prefers-reduced-motion: reduce) {
    .kb-lightbox, .kb-lightbox__img, .manual-contenido img { transition: none; }
    .kb-stagger { animation: none; opacity: 1; transform: none; }
}

/* ================================================================== */
/*  Biblioteca de medios (/manuales/media) — solo Admin               */
/* ================================================================== */

/* --- Cabecera: buscador + filtros + subir -------------------------- */
.kb-media__head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .75rem;
    margin-bottom: 1.75rem;
}

.kb-media__search {
    position: relative;
    flex: 1 1 260px;
    min-width: 220px;
}

.kb-media__search-icon {
    position: absolute;
    top: 50%;
    left: 1rem;
    transform: translateY(-50%);
    color: var(--bs-gray-400, #b5b5c3);
    font-size: .9rem;
    pointer-events: none;
    transition: color .3s var(--kb-ease);
}

.kb-media__search-input {
    width: 100%;
    height: 44px;
    padding: 0 1rem 0 2.6rem;
    font-size: .95rem;
    color: var(--bs-gray-800, #3f4254);
    background: var(--kb-surface);
    border: 1px solid var(--kb-line);
    border-radius: .85rem;
    box-shadow: var(--kb-shadow-soft);
    outline: none;
    transition: border-color .35s var(--kb-ease), box-shadow .35s var(--kb-ease);
}

.kb-media__search-input::placeholder { color: var(--bs-gray-500, #a1a5b7); }

.kb-media__search-input:focus {
    border-color: rgba(var(--kb-accent-rgb), 0.55);
    box-shadow: 0 0 0 4px rgba(var(--kb-accent-rgb), 0.12), var(--kb-shadow-soft);
}

.kb-media__search:focus-within .kb-media__search-icon { color: var(--kb-accent); }

.kb-media__filters {
    display: inline-flex;
    gap: .35rem;
    padding: .25rem;
    background: var(--bs-gray-100, #f5f8fa);
    border-radius: .75rem;
}

.kb-media__filter {
    border: 0;
    background: transparent;
    color: var(--bs-gray-600, #7e8299);
    font-size: .85rem;
    font-weight: 600;
    padding: .45rem .9rem;
    border-radius: .55rem;
    cursor: pointer;
    transition: background .25s var(--kb-ease), color .25s var(--kb-ease);
}

.kb-media__filter:hover { color: var(--kb-accent); }

.kb-media__filter.is-active {
    background: var(--kb-surface);
    color: var(--kb-accent);
    box-shadow: 0 2px 8px rgba(20, 33, 61, 0.08);
}

.kb-media__upload {
    margin-left: auto;
    cursor: pointer;
    margin-bottom: 0;
}

.kb-media__upload.disabled { pointer-events: none; opacity: .65; }

/* --- Grid de tarjetas ---------------------------------------------- */
.kb-media__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
}

.kb-media__card {
    display: flex;
    flex-direction: column;
    background: var(--kb-surface);
    border: 1px solid var(--kb-line);
    border-radius: var(--kb-radius);
    overflow: hidden;
    box-shadow: var(--kb-shadow-soft);
    transition: transform .35s var(--kb-ease), box-shadow .35s var(--kb-ease), border-color .35s var(--kb-ease);
}

.kb-media__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--kb-shadow-hover);
    border-color: rgba(var(--kb-accent-rgb), 0.30);
}

.kb-media__thumb {
    position: relative;
    aspect-ratio: 4 / 3;
    background:
        linear-gradient(45deg, #f1f3f6 25%, transparent 25%) -8px 0 / 16px 16px,
        linear-gradient(-45deg, #f1f3f6 25%, transparent 25%) -8px 0 / 16px 16px,
        linear-gradient(45deg, transparent 75%, #f1f3f6 75%) -8px 0 / 16px 16px,
        linear-gradient(-45deg, transparent 75%, #f1f3f6 75%) -8px 0 / 16px 16px,
        #fafbfc;
    overflow: hidden;
}

.kb-media__thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.kb-media__body {
    padding: .85rem .95rem .5rem;
    flex: 1 1 auto;
}

.kb-media__name {
    font-size: .9rem;
    font-weight: 600;
    color: var(--bs-gray-800, #3f4254);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.kb-media__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
    margin-top: .4rem;
}

.kb-media__badge {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    font-size: .7rem;
    font-weight: 700;
    padding: .2rem .55rem;
    border-radius: .5rem;
    max-width: 65%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.kb-media__badge--global {
    color: var(--kb-accent);
    background: rgba(var(--kb-accent-rgb), 0.10);
}

.kb-media__badge--manual {
    color: var(--bs-gray-700, #5e6278);
    background: var(--bs-gray-100, #f5f8fa);
}

.kb-media__size {
    font-size: .72rem;
    font-weight: 600;
    color: var(--bs-gray-500, #a1a5b7);
    white-space: nowrap;
}

.kb-media__date {
    margin-top: .35rem;
    font-size: .72rem;
    color: var(--bs-gray-500, #a1a5b7);
}

.kb-media__ref {
    margin-top: .5rem;
}

.kb-media__ref code {
    font-size: .72rem;
    color: var(--bs-gray-700, #5e6278);
    background: var(--bs-gray-100, #f5f8fa);
    border-radius: .4rem;
    padding: .15rem .4rem;
}

.kb-media__actions {
    display: flex;
    align-items: center;
    gap: .4rem;
    padding: .6rem .95rem .85rem;
    border-top: 1px solid var(--kb-line);
}

.kb-media__empty {
    border: 1px dashed var(--kb-line);
    border-radius: var(--kb-radius);
    background: var(--bs-gray-100, #f9fafb);
}

/* --- Placeholder cuando no hay miniatura (cap superado o fallo de carga) --- */
.kb-media__placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.kb-media__placeholder i {
    font-size: 2rem;
    color: var(--bs-gray-300, #e1e3ea);
}

/* --- Badge de categoría ------------------------------------------------- */
.kb-media__badge--cat {
    color: #7239ea;
    background: rgba(114, 57, 234, 0.10);
}

/* --- Selector de categoría por tarjeta / fila --------------------------- */
.kb-media__catrow { margin-top: .5rem; }

.kb-media__catselect {
    font-size: .78rem;
    height: 32px;
    border-radius: .5rem;
}

/* --- Toggle de vista grid/lista + selector de categoría destino --------- */
.kb-media__viewtoggle { gap: .15rem; }

.kb-media__upload-cat {
    width: auto;
    min-width: 160px;
    height: 44px;
    border-radius: .85rem;
    border: 1px solid var(--kb-line);
}

/* --- Vista LISTA: filas compactas --------------------------------------- */
.kb-media__list {
    display: flex;
    flex-direction: column;
    gap: .5rem;
}

.kb-media__row {
    display: flex;
    align-items: center;
    gap: .85rem;
    background: var(--kb-surface);
    border: 1px solid var(--kb-line);
    border-radius: .85rem;
    padding: .5rem .85rem;
    box-shadow: var(--kb-shadow-soft);
    transition: border-color .25s var(--kb-ease), box-shadow .25s var(--kb-ease);
}

.kb-media__row:hover {
    border-color: rgba(var(--kb-accent-rgb), 0.30);
    box-shadow: var(--kb-shadow-hover);
}

.kb-media__row-thumb {
    flex: 0 0 48px;
    width: 48px;
    height: 48px;
    border-radius: .5rem;
    overflow: hidden;
    background: var(--bs-gray-100, #f5f8fa);
    display: flex;
    align-items: center;
    justify-content: center;
}

.kb-media__row-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.kb-media__row-thumb .kb-media__placeholder i { font-size: 1.1rem; }

.kb-media__row-name {
    flex: 1 1 200px;
    min-width: 120px;
    font-size: .9rem;
    font-weight: 600;
    color: var(--bs-gray-800, #3f4254);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.kb-media__row-badges {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: .35rem;
    flex-wrap: wrap;
    max-width: 320px;
}

.kb-media__row-size,
.kb-media__row-date {
    flex: 0 0 auto;
    font-size: .74rem;
    font-weight: 600;
    color: var(--bs-gray-500, #a1a5b7);
    white-space: nowrap;
}

.kb-media__row-ref {
    flex: 0 0 auto;
    font-size: .72rem;
    color: var(--bs-gray-700, #5e6278);
    background: var(--bs-gray-100, #f5f8fa);
    border-radius: .4rem;
    padding: .15rem .4rem;
    white-space: nowrap;
}

.kb-media__row-actions {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: .35rem;
    margin-left: auto;
}

.kb-media__row-actions .kb-media__catselect { width: 150px; }

@media (max-width: 991.98px) {
    .kb-media__row { flex-wrap: wrap; }
    .kb-media__row-name { flex-basis: 100%; }
    .kb-media__row-actions { margin-left: 0; }
}

@media (max-width: 575.98px) {
    .kb-media__upload { margin-left: 0; width: 100%; }
    .kb-media__upload-cat { width: 100%; }
    .kb-media__grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 1rem; }
}

/* ================================================================== */
/*  EDITOR DE MANUALES — toolbar markdown                             */
/* ================================================================== */
.kb-editor__toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .25rem;
    padding: .35rem .4rem;
    margin-bottom: .5rem;
    background: var(--bs-gray-100, #f5f8fa);
    border: 1px solid var(--bs-gray-200, #eff2f5);
    border-radius: .65rem;
}

.kb-editor__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid transparent;
    border-radius: .5rem;
    background: transparent;
    color: var(--bs-gray-700, #5e6278);
    font-size: .85rem;
    cursor: pointer;
    transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}

.kb-editor__btn:hover {
    background: #fff;
    border-color: var(--bs-gray-300, #e1e3ea);
    color: var(--bs-primary, #009ef7);
}

.kb-editor__btn:active { transform: translateY(1px); }

.kb-editor__btn--accent {
    color: var(--bs-primary, #009ef7);
    background: rgba(var(--bs-primary-rgb, 0, 158, 247), .10);
}

.kb-editor__btn--accent:hover {
    background: rgba(var(--bs-primary-rgb, 0, 158, 247), .18);
}

.kb-editor__sep {
    width: 1px;
    align-self: stretch;
    margin: .15rem .25rem;
    background: var(--bs-gray-300, #e1e3ea);
}

/* Agrupación de metadatos en el panel izquierdo del editor */
.kb-editor__group {
    padding-bottom: 1.25rem;
    margin-bottom: 1.25rem;
    border-bottom: 1px dashed var(--bs-gray-200, #eff2f5);
}

.kb-editor__group--last {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.kb-editor__group-title {
    display: flex;
    align-items: center;
    font-size: .8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .03em;
    color: var(--bs-gray-600, #7e8299);
    margin-bottom: .85rem;
}

/* ================================================================== */
/*  MODAL «Insertar imagen»                                            */
/* ================================================================== */
.kb-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(20, 33, 61, .45);
    z-index: 1050;
    backdrop-filter: blur(2px);
}

.kb-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(720px, calc(100vw - 2rem));
    max-height: calc(100vh - 3rem);
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 1rem;
    box-shadow: 0 24px 64px rgba(20, 33, 61, .28);
    z-index: 1060;
    overflow: hidden;
}

.kb-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--bs-gray-200, #eff2f5);
}

.kb-modal__title {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--bs-gray-900, #181c32);
}

.kb-modal__tabs {
    display: flex;
    gap: .25rem;
    padding: .5rem 1.25rem 0;
    border-bottom: 1px solid var(--bs-gray-200, #eff2f5);
}

.kb-modal__tab {
    border: none;
    background: transparent;
    padding: .6rem .9rem;
    font-size: .85rem;
    font-weight: 600;
    color: var(--bs-gray-600, #7e8299);
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: color .15s ease, border-color .15s ease;
}

.kb-modal__tab:hover { color: var(--bs-primary, #009ef7); }

.kb-modal__tab.is-active {
    color: var(--bs-primary, #009ef7);
    border-bottom-color: var(--bs-primary, #009ef7);
}

.kb-modal__body {
    padding: 1.25rem;
    overflow-y: auto;
}

.kb-modal__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: .85rem;
}

.kb-modal__img {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--bs-gray-200, #eff2f5);
    border-radius: .65rem;
    background: #fff;
    padding: 0;
    overflow: hidden;
    cursor: pointer;
    transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}

.kb-modal__img:hover {
    border-color: var(--bs-primary, #009ef7);
    box-shadow: 0 6px 18px rgba(var(--bs-primary-rgb, 0, 158, 247), .18);
    transform: translateY(-2px);
}

.kb-modal__img img {
    width: 100%;
    height: 90px;
    object-fit: cover;
    display: block;
}

.kb-modal__img-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 90px;
    background: var(--bs-gray-100, #f5f8fa);
    color: var(--bs-gray-400, #b5b5c3);
    font-size: 1.4rem;
}

.kb-modal__img-name {
    padding: .35rem .5rem;
    font-size: .72rem;
    font-weight: 600;
    color: var(--bs-gray-700, #5e6278);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: left;
}

.kb-modal__img--pending { border-style: dashed; }

.kb-modal__upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2.5rem 1rem;
    border: 2px dashed var(--bs-gray-300, #e1e3ea);
    border-radius: .85rem;
    background: var(--bs-gray-100, #f5f8fa);
}

.kb-modal__upload-icon {
    font-size: 2.2rem;
    color: var(--bs-primary, #009ef7);
    margin-bottom: .75rem;
}

/* ================================================================== */
/*  VENTANA EMERGENTE DE VISTA PREVIA                                  */
/* ================================================================== */
.kb-preview-window {
    max-width: 760px;
    margin: 0 auto;
    padding: 1rem 1.25rem 2rem;
}

.kb-preview-window__head {
    display: flex;
    align-items: center;
    gap: .25rem;
    padding-bottom: .75rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--bs-gray-200, #eff2f5);
    font-weight: 700;
    color: var(--bs-gray-800, #3f4254);
}

.kb-preview-window__hint {
    margin-left: auto;
    font-size: .72rem;
    font-weight: 500;
    color: var(--bs-gray-500, #a1a5b7);
}

.kb-preview-window__body { min-height: 50vh; }

/* ================================================================== */
/*  EDITOR v2 — layout colapsable (foco en escribir) + preview        */
/* ================================================================== */
.kb-editor__spacer { flex: 1 1 auto; min-width: .5rem; }
.kb-editor__rol-select {
    width: auto;
    min-width: 150px;
    height: 32px;
    padding: .15rem .5rem;
    font-size: .78rem;
}
.kb-editor__btn.is-active {
    background: rgba(var(--bs-primary-rgb, 0, 158, 247), .14);
    color: var(--bs-primary, #009ef7);
    border-color: rgba(var(--bs-primary-rgb, 0, 158, 247), .35);
}

.kb-edit {
    display: flex;
    gap: 1.25rem;
    align-items: stretch;
    min-height: calc(100vh - 230px);
}

/* Sidebar metadatos */
.kb-edit__datos {
    flex: 0 0 340px;
    width: 340px;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--bs-gray-200, #e4e6ef);
    border-radius: .85rem;
    background: #fff;
    overflow: hidden;
}
.kb-edit--colapsado .kb-edit__datos { display: none; }

.kb-edit__datos-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .8rem 1rem;
    border-bottom: 1px solid var(--bs-gray-100, #f1f1f4);
    background: var(--bs-gray-100, #f9f9fb);
}
.kb-edit__datos-title { font-weight: 700; font-size: .95rem; color: #181c32; }
.kb-edit__datos-body { flex: 1; overflow-y: auto; padding: .25rem .9rem 1rem; }

.kb-edit__icon-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 30px; height: 30px;
    border: none; border-radius: .5rem;
    background: transparent; color: var(--bs-gray-600, #7e8299);
    cursor: pointer; transition: background-color .15s, color .15s;
}
.kb-edit__icon-btn:hover { background: #fff; color: var(--bs-primary, #009ef7); }

/* Riel cuando el panel está colapsado */
.kb-edit__rail { display: none; }
.kb-edit--colapsado .kb-edit__rail {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    flex: 0 0 46px;
    width: 46px;
    padding: 1rem .25rem;
    border: 1px solid var(--bs-gray-200, #e4e6ef);
    border-radius: .85rem;
    background: var(--bs-gray-100, #f9f9fb);
    color: var(--bs-gray-700, #5e6278);
    cursor: pointer;
    transition: background-color .15s, color .15s;
}
.kb-edit--colapsado .kb-edit__rail:hover { background: var(--bs-gray-200, #eef0f5); color: var(--bs-primary, #009ef7); }
.kb-edit__rail-text {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    font-size: .8rem; font-weight: 600; letter-spacing: .04em; white-space: nowrap;
}

/* Secciones plegables del sidebar */
.kb-edit__sec { border-bottom: 1px solid var(--bs-gray-100, #f1f1f4); }
.kb-edit__sec:last-child { border-bottom: none; }
.kb-edit__sec-head {
    display: flex; align-items: center; gap: .25rem; width: 100%;
    padding: .75rem .15rem;
    border: none; background: transparent;
    font-weight: 600; font-size: .9rem; color: #3f4254;
    cursor: pointer; text-align: left;
}
.kb-edit__sec-head:hover { color: var(--bs-primary, #009ef7); }
.kb-edit__sec-chevron { font-size: .7rem; color: #a1a5b7; transition: transform .2s; }
.kb-edit__sec.is-open .kb-edit__sec-chevron { transform: rotate(180deg); }
.kb-edit__sec-body { display: none; padding: .15rem .15rem 1rem; }
.kb-edit__sec.is-open .kb-edit__sec-body { display: block; }

/* Zona principal: editor + preview inline opcional */
.kb-edit__main { flex: 1; min-width: 0; display: flex; gap: 1.25rem; align-items: stretch; }
.kb-edit__editor { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.kb-edit--preview .kb-edit__editor { flex: 1 1 52%; }
.kb-edit__textarea {
    flex: 1;
    min-height: 440px;
    resize: vertical;
    line-height: 1.55;
}

.kb-edit__preview {
    flex: 1 1 44%;
    min-width: 0;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--bs-gray-200, #e4e6ef);
    border-radius: .85rem;
    overflow: hidden;
    background: #fff;
}
.kb-edit__preview-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: .55rem 1rem;
    border-bottom: 1px solid var(--bs-gray-100, #f1f1f4);
    background: var(--bs-gray-100, #f9f9fb);
    font-weight: 600; font-size: .9rem; color: #181c32;
}
.kb-edit__preview-body { flex: 1; overflow-y: auto; padding: 1.25rem; background: #fff; }

@media (max-width: 991.98px) {
    .kb-edit { flex-direction: column; min-height: 0; }
    .kb-edit__datos { flex-basis: auto; width: 100%; }
    .kb-edit--colapsado .kb-edit__rail { flex-direction: row; width: 100%; justify-content: center; }
    .kb-edit--colapsado .kb-edit__rail-text { writing-mode: horizontal-tb; transform: none; }
    .kb-edit__main { flex-direction: column; }
    .kb-edit__textarea { min-height: 360px; }
}