:root {
  --color-primary: #29313a; --color-secondary: #64707b; --color-background: #f6f3ed; --color-text: #29313a; --color-accent: #a44a3f; --color-card: #fffdf9;
  --font-body: "DM Sans", Arial, sans-serif; --font-heading: "Newsreader", Georgia, serif; --radius: 8px; --transition: .2s ease;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--color-text); background: var(--color-background); font: 400 16px/1.55 var(--font-body); }
button, input { font: inherit; } button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; } .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.app-header { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--color-card) 94%, transparent); border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 14%, transparent); backdrop-filter: blur(10px); }
.header-content, .hero, .catalogue, .ficha-main, .footer-content { width: min(1120px, calc(100% - 48px)); margin: auto; }
.header-content { min-height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo { display: inline-flex; gap: 10px; align-items: center; text-decoration: none; color: var(--color-primary); font-family: var(--font-heading); font-size: 1.35rem; font-weight: 600; }
.logo img { width: 32px; height: 32px; object-fit: contain; }
.btn-search, .btn-back, .btn-clear, .filter-btn, .btn-view, .media-link { border: 1px solid color-mix(in srgb, var(--color-primary) 22%, transparent); border-radius: 999px; background: transparent; color: var(--color-primary); cursor: pointer; transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition); }
.btn-search, .btn-back { min-height: 38px; padding: 8px 14px; font-size: .82rem; font-weight: 700; letter-spacing: .02em; }
.btn-search { display: inline-flex; align-items: center; gap: 7px; color: var(--color-card); background: var(--color-primary); border-color: var(--color-primary); }
.btn-search::before { content: "⌕"; font-family: var(--font-heading); font-size: 1.35rem; font-weight: 400; line-height: .6; }
.btn-search:hover { background: var(--color-accent); border-color: var(--color-accent); box-shadow: 0 6px 14px color-mix(in srgb, var(--color-primary) 16%, transparent); transform: translateY(-1px); }
.btn-back:hover, .filter-btn:hover, .btn-view:hover, .media-link:hover { color: var(--color-card); background: var(--color-primary); border-color: var(--color-primary); }
.hero { padding: 28px 0 14px; }
.eyebrow { margin: 0 0 6px; color: var(--color-accent); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; font-weight: 700; }
h1, h2, h3, p { margin-top: 0; } h1, h2, h3 { font-family: var(--font-heading); color: var(--color-primary); line-height: 1.08; }
.hero h1 { margin-bottom: 8px; font-size: clamp(2rem, 4.2vw, 3.25rem); font-weight: 500; letter-spacing: -.04em; }
.hero-copy { max-width: 560px; margin: 0; color: var(--color-secondary); font-size: clamp(.92rem, 1.4vw, 1rem); line-height: 1.5; }
.catalogue { padding-bottom: 64px; }

/* ─── Barra compacta búsqueda + contador ─── */
.catalogue-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; padding: 14px 0 10px; border-top: 1px solid color-mix(in srgb, var(--color-primary) 10%, transparent); }
.search-field { position: relative; flex: 1 1 420px; width: min(460px, 100%); max-width: 580px; }
.search-kicker { display: none; }
.search-field::after { content: "⌕"; position: absolute; left: 14px; top: 50%; transform: translateY(-48%); color: var(--color-secondary); font-family: var(--font-heading); font-size: 1.3rem; line-height: 1; pointer-events: none; opacity: .85; }
.search-field input { width: 100%; min-height: 36px; padding: 8px 36px 8px 38px; color: var(--color-text); background: var(--color-card); border: 1px solid color-mix(in srgb, var(--color-primary) 18%, transparent); border-radius: 999px; box-shadow: 0 1px 0 color-mix(in srgb, var(--color-primary) 4%, transparent); font-size: .9rem; transition: border-color var(--transition), box-shadow var(--transition), background var(--transition); }
.search-field input:hover { border-color: color-mix(in srgb, var(--color-primary) 32%, transparent); }
.search-field input:focus { outline: none; border-color: var(--color-accent); background: #fff; box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 14%, transparent); }
.search-field input::placeholder { color: color-mix(in srgb, var(--color-secondary) 82%, transparent); }
.btn-clear { position: absolute; right: 5px; top: 50%; transform: translateY(-50%); min-height: 26px; padding: 3px 9px; font-size: .72rem; font-weight: 700; line-height: 1; border-color: color-mix(in srgb, var(--color-primary) 16%, transparent); background: color-mix(in srgb, var(--color-card) 88%, transparent); }
.btn-clear:hover { color: var(--color-card); background: var(--color-secondary); border-color: var(--color-secondary); }
.results-count { margin: 0 0 0 auto; color: var(--color-secondary); font-size: .76rem; font-weight: 600; letter-spacing: .04em; white-space: nowrap; opacity: .95; }

/* ─── Filtros compactos — 1-3 líneas, editorial ─── */
.filters-section { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-start; gap: 6px 10px; padding: 9px 0 12px; border-top: 0; border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 10%, transparent); }
.filter-group { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 6px; padding: 0; border: 0; }
.filter-group + .filter-group { padding-left: 10px; margin-left: 2px; border-left: 1px solid color-mix(in srgb, var(--color-primary) 9%, transparent); }
.filter-group:first-child .filter-label { display: none; }
.filter-label { color: var(--color-secondary); font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; opacity: 1; }
.filter-options { display: flex; flex-wrap: wrap; gap: 6px; }
.filter-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 28px; padding: 4px 11px; background: var(--color-card); border-color: color-mix(in srgb, var(--color-primary) 14%, transparent); font-size: .74rem; font-weight: 600; line-height: 1; letter-spacing: .01em; }
.filter-btn:hover { border-color: color-mix(in srgb, var(--color-primary) 32%, transparent); box-shadow: 0 2px 8px color-mix(in srgb, var(--color-primary) 10%, transparent); transform: translateY(-1px); }
.filter-btn:active { transform: translateY(0); box-shadow: none; }
.filter-btn[aria-pressed="true"] { color: #fff; background: var(--color-accent); border-color: var(--color-accent); box-shadow: 0 2px 8px color-mix(in srgb, var(--color-accent) 22%, transparent); }
.filter-group:first-child .filter-btn[aria-pressed="true"] { background: var(--color-primary); border-color: var(--color-primary); box-shadow: 0 2px 8px color-mix(in srgb, var(--color-primary) 18%, transparent); }
.filter-btn:focus-visible, .search-field input:focus-visible, .btn-clear:focus-visible, .btn-view:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.filter-btn:disabled, .btn-search:disabled, .btn-clear:disabled { color: color-mix(in srgb, var(--color-secondary) 55%, transparent); background: color-mix(in srgb, var(--color-card) 65%, transparent); border-color: transparent; box-shadow: none; cursor: not-allowed; }

.status-message { padding: 22px 16px; text-align: center; color: var(--color-secondary); font-size: .9rem; }
.status-message.error { color: #8b2721; background: #fff0ed; border-left: 3px solid #b64036; }
.status-message.empty { border: 1px dashed color-mix(in srgb, var(--color-primary) 18%, transparent); border-radius: var(--radius); }
.records-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; padding-top: 18px; }
.card { display: flex; flex-direction: column; min-width: 0; background: var(--color-card); border: 1px solid color-mix(in srgb, var(--color-primary) 11%, transparent); border-radius: var(--radius); overflow: hidden; cursor: pointer; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); }
.card:hover { border-color: color-mix(in srgb, var(--color-accent) 38%, transparent); transform: translateY(-2px); box-shadow: 0 10px 26px color-mix(in srgb, var(--color-primary) 13%, transparent); }
.card:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }
.card:hover .card-cover.has-cover-image img { transform: scale(1.035); }
.card .card-cover.has-cover-image img { transition: transform .35s ease; }
.card-cover { min-height: 92px; display: flex; align-items: end; padding: 16px; color: color-mix(in srgb, var(--color-primary) 62%, transparent); background: linear-gradient(135deg, color-mix(in srgb, var(--color-accent) 11%, var(--color-background)), color-mix(in srgb, var(--color-primary) 10%, var(--color-background))); font-family: var(--font-heading); font-size: 1.35rem; }
.card-cover.has-cover-image { min-height: 170px; padding: 0; }
.card-cover img { display: block; width: 100%; height: 170px; object-fit: cover; }
.card-content { display: flex; flex: 1; flex-direction: column; align-items: flex-start; padding: 16px 18px 18px; }
.card-meta { margin-bottom: 8px; color: var(--color-secondary); font-size: .73rem; letter-spacing: .06em; }
.card-title { margin-bottom: 8px; font-size: 1.42rem; font-weight: 500; line-height: 1.18; }
.card-description { display: -webkit-box; overflow: hidden; margin-bottom: 14px; color: var(--color-secondary); font-size: .88rem; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.btn-view { margin-top: auto; padding: 7px 13px; text-decoration: none; font-size: .82rem; font-weight: 700; }
.ficha-main { min-height: calc(100vh - 154px); padding: clamp(32px, 6vw, 72px) 0; }
.record-detail { width: min(880px, 100%); }
.detail-header { padding-bottom: 28px; border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 16%, transparent); }
.detail-header h1 { margin-bottom: 14px; font-size: clamp(2.2rem, 4.5vw, 4.2rem); font-weight: 500; letter-spacing: -.035em; }
.detail-description { max-width: 760px; margin-bottom: 16px; color: var(--color-secondary); font-size: 1.02rem; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { padding: 4px 9px; border-radius: 999px; color: var(--color-primary); background: color-mix(in srgb, var(--color-accent) 12%, var(--color-card)); font-size: .77rem; font-weight: 700; }
.media-section { padding: 28px 0; border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 16%, transparent); }
.media-section h2 { font-size: 1.65rem; }
.media-item { margin-top: 20px; }
.media-item h3 { margin-bottom: 8px; font-size: 1.15rem; }
.media-item iframe { display: block; width: min(100%, 720px); aspect-ratio: 16 / 9; margin-bottom: 10px; border: 0; background: #20242a; }
.media-item audio { display: block; max-width: 100%; margin-bottom: 10px; }
.media-link { display: inline-block; padding: 7px 12px; text-decoration: none; font-size: .83rem; font-weight: 700; }
.document-viewer { padding: 24px 0 4px; }
.document-viewer h2 { margin-bottom: 6px; font-size: 1.5rem; }
.document-viewer-description { margin-bottom: 14px; color: var(--color-secondary); font-size: .92rem; }
.document-fallback-image { display: block; width: min(100%, 280px); margin: 14px 0; border: 1px solid color-mix(in srgb, var(--color-primary) 16%, transparent); border-radius: var(--radius); }
.document-viewer-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.document-viewer-actions .media-link { border-width: 1px; }

/* ─── Vista previa proporcional del documento ─── */
.document-preview { margin: 0; }
.document-preview-frame { position: relative; display: block; width: 100%; padding: 0; border: 1px solid color-mix(in srgb, var(--color-primary) 16%, transparent); border-radius: calc(var(--radius) + 2px); background: color-mix(in srgb, var(--color-primary) 6%, var(--color-background)); overflow: hidden; cursor: zoom-in; box-shadow: 0 8px 24px color-mix(in srgb, var(--color-primary) 12%, transparent); }
.document-preview-frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 62%, color-mix(in srgb, var(--color-primary) 16%, transparent)); pointer-events: none; }
.document-preview-image { display: block; width: 100%; height: auto; aspect-ratio: 3 / 4; max-height: 58vh; width: auto; margin: 0 auto; object-fit: contain; }
.document-preview-hint { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 26px 14px 14px; color: var(--color-card); text-align: center; font-size: .82rem; font-weight: 700; letter-spacing: .02em; pointer-events: none; text-shadow: 0 1px 2px color-mix(in srgb, var(--color-primary) 55%, transparent); }
.document-preview-badge { position: absolute; top: 10px; left: 10px; z-index: 2; padding: 3px 9px; border-radius: 999px; background: color-mix(in srgb, var(--color-card) 90%, transparent); color: var(--color-primary); font-size: .72rem; font-weight: 700; box-shadow: 0 1px 4px color-mix(in srgb, var(--color-primary) 25%, transparent); }
.document-preview-caption { margin: 10px 0 0; color: var(--color-secondary); font-size: .84rem; line-height: 1.45; }

/* ─── Visor lightbox a pantalla completa ─── */
body.lightbox-open { overflow: hidden; }
.lightbox { position: fixed; inset: 0; z-index: 200; display: grid; grid-template-rows: auto 1fr auto; grid-template-columns: minmax(0, 1fr); background: rgba(18, 20, 24, 0.97); color: #f3f2ee; }
.lightbox[hidden] { display: none; }
.lightbox-header, .lightbox-stage, .lightbox-toolbar { min-width: 0; }
.lightbox-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; background: rgba(20, 22, 26, 0.92); border-bottom: 1px solid rgba(255,255,255,.08); }
.lightbox-title { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.lightbox-title-text { font-family: var(--font-heading); font-size: 1.05rem; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lightbox-title-meta { font-size: .72rem; color: rgba(243,242,238,.6); letter-spacing: .03em; }
.lightbox-close { flex: none; width: 40px; height: 40px; border-radius: 999px; border: 1px solid rgba(255,255,255,.16); background: transparent; color: #f3f2ee; font-size: 1.7rem; line-height: 1; cursor: pointer; display: grid; place-items: center; }
.lightbox-close:hover { background: rgba(255,255,255,.14); }
.lightbox-stage { position: relative; overflow: auto; display: flex; align-items: flex-start; justify-content: center; padding: 20px; }
.lightbox-viewport { position: relative; flex: none; }
.lightbox-image { display: block; width: 100%; height: 100%; object-fit: contain; box-shadow: 0 0 0 1px rgba(255,255,255,.06), 0 24px 60px rgba(0,0,0,.5); touch-action: pan-x pan-y; }
.lightbox-nav { position: absolute; top: 50%; transform: translateY(-50%); z-index: 3; width: 46px; height: 60px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.14); border-radius: 10px; background: rgba(20,22,26,.55); color: #f3f2ee; font-size: 2rem; line-height: 1; cursor: pointer; }
.lightbox-nav:hover:not(:disabled) { background: rgba(255,255,255,.16); }
.lightbox-nav:disabled { opacity: .3; cursor: not-allowed; }
.lightbox-prev { left: 12px; }
.lightbox-next { right: 12px; }
.lightbox-toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px 18px; padding: 12px 16px; background: rgba(20,22,26,.92); border-top: 1px solid rgba(255,255,255,.08); }
.lb-group { display: flex; align-items: center; gap: 6px; }
.lb-btn { min-height: 34px; padding: 6px 12px; border: 1px solid rgba(255,255,255,.16); border-radius: 999px; background: transparent; color: #f3f2ee; font-size: .8rem; font-weight: 700; cursor: pointer; }
.lb-btn:hover:not(:disabled) { background: rgba(255,255,255,.14); }
.lb-btn:disabled { opacity: .35; cursor: not-allowed; }
.lb-btn.is-active { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.lb-page-label, .lb-zoom-label { min-width: 96px; color: rgba(243,242,238,.72); font-size: .8rem; font-weight: 700; text-align: center; }
.lb-zoom-label { min-width: 52px; }
.lb-original { text-decoration: none; color: #fff; background: color-mix(in srgb, var(--color-accent) 82%, #1b1e23); border-color: transparent; }
.lb-original:hover { background: var(--color-accent); }
.lightbox-thumbnails { position: absolute; left: 0; right: 0; bottom: 68px; z-index: 4; display: flex; gap: 8px; padding: 12px; overflow-x: auto; background: rgba(12,14,17,.85); border-top: 1px solid rgba(255,255,255,.08); }
.lightbox-thumbnails[hidden] { display: none; }
.lightbox-thumb { flex: none; width: 60px; height: 80px; padding: 0; border: 2px solid transparent; border-radius: 4px; background: transparent; cursor: pointer; overflow: hidden; }
.lightbox-thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.lightbox-thumb.is-active { border-color: var(--color-accent); }
.metadata { display: grid; gap: 0; margin: 28px 0 0; }
.record-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(24px, 4vw, 48px); align-items: start; padding-top: 30px; }
.record-figure { min-width: 0; }
.record-figure .document-viewer { padding-top: 0; }
.record-aside { min-width: 0; padding: 22px 24px; background: color-mix(in srgb, var(--color-card) 55%, var(--color-background)); border: 1px solid color-mix(in srgb, var(--color-primary) 10%, transparent); border-radius: calc(var(--radius) + 2px); }
.record-aside .metadata { margin: 0; }
.record-aside:only-child { grid-column: 1 / -1; }
.detail-row { display: grid; grid-template-columns: 150px 1fr; gap: 14px; padding: 12px 0; border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 12%, transparent); }
.detail-row dt { color: var(--color-secondary); font-weight: 700; font-size: .84rem; }
.detail-row dd { margin: 0; font-size: .92rem; }
.muted { color: var(--color-secondary); }
.app-footer { padding: 26px 0; color: color-mix(in srgb, var(--color-background) 85%, white); background: var(--color-primary); }
.footer-content { display: flex; justify-content: space-between; gap: 16px; font-size: .83rem; }
.footer-content p { margin: 0; }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 3px; }

@media (max-width: 1080px) {
  .records-grid { gap: 16px; }
}
@media (max-width: 900px) {
  .records-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filter-group + .filter-group { padding-left: 8px; }
}
@media (max-width: 800px) {
  .catalogue-tools { gap: 10px; }
  .search-field { flex-basis: 100%; max-width: none; }
  .results-count { margin-left: 0; }
  .filters-section { gap: 8px; }
  .filter-group + .filter-group { border-left: 0; padding-left: 0; margin-left: 0; }
  .detail-row { grid-template-columns: 1fr; gap: 2px; }
  .record-layout { grid-template-columns: 1fr; gap: 26px; }
  .record-aside:only-child { grid-column: auto; }
  .footer-content { flex-direction: column; }
}
@media (max-width: 520px) {
  .header-content, .hero, .catalogue, .ficha-main, .footer-content { width: min(100% - 32px, 1120px); }
  .header-content { min-height: 56px; }
  .logo { font-size: 1.18rem; }
  .hero { padding: 22px 0 12px; }
  .hero h1 { font-size: 2rem; }
  .catalogue-tools { padding-top: 14px; }
  .search-field input { min-height: 40px; font-size: .88rem; }
  .filters-section { padding-bottom: 14px; }
  .filter-btn { min-height: 32px; padding: 6px 12px; }
  .records-grid { grid-template-columns: 1fr; gap: 14px; padding-top: 14px; }
  .card-title { font-size: 1.32rem; }
  .ficha-main { padding-top: 28px; }
  /* Vista previa: mantiene proporción sin ocupar toda la pantalla */
  .document-preview-image { max-height: 46vh; }
  /* Lightbox móvil: controles táctiles más grandes y sin flechas laterales */
  .lightbox-header { padding: 10px 12px; }
  .lightbox-title-text { font-size: .95rem; }
  .lightbox-close { width: 44px; height: 44px; }
  .lightbox-stage { padding: 12px; }
  .lightbox-nav { display: none; }
  .lightbox-toolbar { gap: 8px 0; padding: 8px 10px 12px; justify-content: center; }
  .lb-group { gap: 6px; flex-wrap: wrap; justify-content: center; }
  .lb-btn { min-height: 44px; padding: 8px 16px; }
  .lb-btn[data-testid="lb-zoom-in"], .lb-btn[data-testid="lb-zoom-out"], .lb-btn[data-testid="lb-prev"], .lb-btn[data-testid="lb-next"] { width: 44px; padding: 0; }
  .lb-page-label, .lb-zoom-label { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
  .lightbox-thumbnails { bottom: 64px; }
  .lightbox-thumb { width: 56px; height: 74px; }
}

/* ─── Splash / Portada institucional ─── */
.splash { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 24px; background: color-mix(in srgb, var(--color-background) 88%, white 12%); backdrop-filter: blur(10px); animation: splashFadeIn .45s ease; }
.splash[hidden] { display: none !important; }
.splash.is-hiding { animation: splashFadeOut .38s ease forwards; }
@keyframes splashFadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes splashFadeOut { from { opacity: 1; } to { opacity: 0; visibility: hidden; } }
.splash-backdrop { position: absolute; inset: 0; background: var(--color-background); opacity: .72; }
.splash-panel { position: relative; width: min(880px, 100%); max-height: min(90vh, 720px); background: var(--color-card); border: 1px solid color-mix(in srgb, var(--color-primary) 12%, transparent); border-radius: calc(var(--radius) * 1.6); overflow: hidden; display: grid; grid-template-columns: 1.15fr 0.85fr; box-shadow: 0 24px 64px color-mix(in srgb, var(--color-primary) 18%, transparent), 0 10px 28px color-mix(in srgb, var(--color-primary) 12%, transparent); animation: splashPanelIn .5s cubic-bezier(.16,1,.3,1); }
@keyframes splashPanelIn { from { opacity: 0; transform: translateY(14px) scale(.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
.splash-hero { position: relative; min-height: 360px; background: linear-gradient(135deg, color-mix(in srgb, var(--color-primary) 7%, var(--color-background)), color-mix(in srgb, var(--color-accent) 14%, var(--color-background))); display: grid; place-items: center; overflow: hidden; }
.splash-hero img { width: 100%; height: 100%; object-fit: cover; display: block; }
.splash-hero-fallback { position: absolute; inset: 0; display: grid; place-items: center; padding: 28px; text-align: center; background:
  radial-gradient(700px 420px at 28% 22%, color-mix(in srgb, var(--color-accent) 16%, transparent), transparent 62%),
  radial-gradient(520px 380px at 82% 78%, color-mix(in srgb, var(--color-primary) 10%, transparent), transparent 65%),
  linear-gradient(135deg, color-mix(in srgb, var(--color-primary) 5%, var(--color-card)), var(--color-card)); }
.splash-hero-fallback::before { content: "◎"; font-family: var(--font-heading); font-size: 3.6rem; line-height: 1; color: color-mix(in srgb, var(--color-accent) 68%, var(--color-primary)); opacity: .9; letter-spacing: -.04em; }
.splash-hero-fallback::after { content: "Archivo cultural"; font-family: var(--font-heading); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: color-mix(in srgb, var(--color-secondary) 78%, transparent); margin-top: 8px; font-weight: 600; }
/* Composición documental destacada del splash (thumbnails reales, estética archivo/museo) */
.splash-docs { position: relative; width: min(300px, 76%); aspect-ratio: 3 / 4; }
.splash-doc { position: absolute; display: block; padding: 10px 10px 26px; background: #fffdf8; border: 1px solid color-mix(in srgb, var(--color-primary) 24%, rgba(90,70,40,.30)); border-radius: 3px; box-shadow: 0 2px 5px rgba(60,44,26,.14), 0 10px 26px rgba(60,44,26,.26); }
.splash-doc img { display: block; width: 100%; height: auto; object-fit: cover; background: #f1ece2; }
.splash-doc--main { z-index: 4; left: 50%; top: 50%; width: 74%; transform: translate(-50%, -50%) rotate(-1.4deg); box-shadow: 0 6px 16px rgba(60,44,26,.20), 0 22px 44px rgba(60,44,26,.34); }
.splash-doc--side { width: 50%; }
.splash-doc--side:nth-child(2) { z-index: 3; left: -2%; bottom: 5%; transform: rotate(5.5deg); }
.splash-doc--side:nth-child(3) { z-index: 2; right: -4%; top: 4%; transform: rotate(-6deg); }
.splash-doc--side:nth-child(4) { z-index: 1; left: 5%; top: 0; transform: rotate(2.5deg); opacity: .92; }
.splash-caption { position: absolute; left: 0; right: 0; bottom: 2px; z-index: 5; margin: 0; text-align: center; font-family: var(--font-heading); color: color-mix(in srgb, var(--color-primary) 82%, #6b4a2f); font-size: .76rem; font-style: italic; letter-spacing: .05em; text-shadow: 0 1px 0 #fff; }
.splash-body { padding: 30px 28px 26px; display: flex; flex-direction: column; gap: 16px; justify-content: center; min-width: 0; }
.splash-brand { display: grid; gap: 10px; justify-items: start; }
.splash-brand img { width: 56px; height: 56px; object-fit: contain; border-radius: 10px; background: color-mix(in srgb, var(--color-card) 92%, var(--color-background)); border: 1px solid color-mix(in srgb, var(--color-primary) 10%, transparent); padding: 6px; }
.splash-eyebrow { color: var(--color-accent); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; font-weight: 700; margin: 0; }
.splash-title { font-family: var(--font-heading); color: var(--color-primary); font-size: clamp(1.9rem, 3vw, 2.55rem); font-weight: 600; line-height: 1.06; letter-spacing: -.03em; margin: 0; }
.splash-copy { color: var(--color-secondary); font-size: .96rem; line-height: 1.58; margin: 0; max-width: 32ch; }
.btn-splash-enter { margin-top: 6px; align-self: flex-start; min-height: 44px; padding: 10px 24px; border-radius: 999px; border: 1px solid var(--color-primary); background: var(--color-primary); color: var(--color-card); font-weight: 700; font-size: .88rem; letter-spacing: .02em; cursor: pointer; transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition); }
.btn-splash-enter:hover { background: var(--color-accent); border-color: var(--color-accent); transform: translateY(-1px); box-shadow: 0 8px 18px color-mix(in srgb, var(--color-primary) 16%, transparent); }
.btn-splash-enter:active { transform: translateY(0); box-shadow: none; }
.btn-splash-enter:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 3px; }
.splash-hint { color: color-mix(in srgb, var(--color-secondary) 82%, transparent); font-size: .72rem; margin: 0; line-height: 1.4; }
.splash-close { position: absolute; top: 12px; right: 12px; width: 36px; height: 36px; border-radius: 999px; border: 1px solid color-mix(in srgb, var(--color-primary) 14%, transparent); background: color-mix(in srgb, var(--color-card) 92%, var(--color-background) 8%); color: var(--color-primary); font-size: 1.45rem; line-height: 1; cursor: pointer; display: grid; place-items: center; transition: background var(--transition), color var(--transition), border-color var(--transition); }
.splash-close:hover { background: var(--color-primary); color: var(--color-card); border-color: var(--color-primary); }
.splash-close:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { .splash, .splash-panel, .btn-splash-enter { animation: none !important; transition: none !important; } }
@media (max-width: 900px) {
  .splash { padding: 16px; }
  .splash-panel { grid-template-columns: 1fr; max-height: 92vh; overflow: auto; }
  .splash-hero { min-height: 220px; }
  .splash-docs { width: min(250px, 70%); }
  .splash-doc--side:nth-child(4) { display: none; }
  .splash-body { padding: 24px 22px 20px; }
}
@media (max-width: 520px) {
  .splash-panel { border-radius: calc(var(--radius) * 1.2); }
  .splash-hero { min-height: 180px; }
  .splash-docs { width: min(176px, 66%); }
  .splash-doc--side:nth-child(3), .splash-doc--side:nth-child(4) { display: none; }
  .splash-doc--side { width: 54%; }
  .splash-caption { font-size: .68rem; }
  .splash-title { font-size: 1.85rem; }
  .btn-splash-enter { width: 100%; justify-content: center; }
  .splash-close { top: 10px; right: 10px; }
}
body.splash-open { overflow: hidden; }

/* ─── Galería de imágenes por ficha (editorial) ─── */
.carousel-section { padding: 28px 0; border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 16%, transparent); }
.carousel-section h2 { font-size: 1.65rem; margin-bottom: 18px; letter-spacing: 0.02em; }

.gallery-single .gallery-frame { max-width: min(720px, 92vw); margin: 0 auto; }
.gallery-single .gallery-frame img { width: 100%; max-height: 62vh; object-fit: contain; display: block; }

.gallery-grid { --gallery-gap: clamp(14px, 2.2vw, 22px); }
.gallery-track { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: var(--gallery-gap); }
.gallery-grid--2 .gallery-track { grid-template-columns: repeat(2, 1fr); }
.gallery-item { display: flex; }

.gallery-frame { 
  position: relative; 
  width: 100%; 
  aspect-ratio: 3/4; 
  background: color-mix(in srgb, var(--color-primary) 6%, var(--color-card)); 
  border: 1px solid color-mix(in srgb, var(--color-primary) 10%, transparent); 
  border-radius: var(--radius); 
  overflow: hidden; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  padding: 10px; 
  transition: transform .25s ease, box-shadow .25s ease; 
}
.gallery-frame:hover { transform: translateY(-2px); box-shadow: 0 12px 28px color-mix(in srgb, var(--color-primary) 14%, transparent); }
.gallery-frame img { 
  max-width: 100%; 
  max-height: 100%; 
  width: auto; 
  height: auto; 
  object-fit: contain; 
  display: block; 
  transition: transform .35s ease; 
}
.gallery-frame--single img { max-height: 62vh; width: auto; max-width: 100%; }
.gallery-frame.is-empty::after { content: "Imagen no disponible"; display: block; padding: 18px; color: var(--color-secondary); font-size: .85rem; text-align: center; }

@media (max-width: 640px) {
  .gallery-grid--2 .gallery-track { grid-template-columns: 1fr; }
  .gallery-frame { aspect-ratio: 4/3; padding: 8px; }
  .gallery-single .gallery-frame img { max-height: 48vh; }
}

/* ─── Audio player ─── */
.media-item audio { width: 100%; margin-top: 6px; }
.media-item audio::-webkit-media-controls-panel { background: var(--color-card); }

/* ─── Video fullscreen ─── */
.media-item video { border-radius: var(--radius); background: #000; }

/* ─── Objetos relacionados ─── */
.related-section { padding: 28px 0; border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 16%, transparent); }
.related-section h2 { font-size: 1.65rem; margin-bottom: 14px; }
.related-list { display: flex; flex-direction: column; gap: 10px; }
.related-link { display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border: 1px solid color-mix(in srgb, var(--color-primary) 18%, transparent); border-radius: var(--radius); background: var(--color-card); color: var(--color-primary); text-decoration: none; font-size: .88rem; word-break: break-all; transition: background var(--transition), color var(--transition), border-color var(--transition); }
.related-link:hover { color: var(--color-card); background: var(--color-primary); border-color: var(--color-primary); }
.related-text { color: var(--color-secondary); font-size: .95rem; line-height: 1.5; }

/* ─── Fallback editorial sin imagen ─── */
.media-unavailable { padding: 28px 0; border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 16%, transparent); }
.media-unavailable p { color: var(--color-secondary); font-size: .95rem; }

/* ─── Lightbox de imágenes (galería) ─── */
.image-lightbox .lightbox-stage { background: #000; }
.image-lightbox .lightbox-image { object-fit: contain; }
.image-lightbox .lightbox-nav { background: rgba(255,255,255,0.08); }
.image-lightbox .lightbox-nav:hover:not(:disabled) { background: rgba(255,255,255,0.18); }
.image-lightbox .lightbox-close { background: rgba(0,0,0,0.35); }
.image-lightbox .lightbox-close:hover { background: rgba(0,0,0,0.55); }

/* ─── Card cover: elegante, sin recortes agresivos ─── */
.card-cover { background: linear-gradient(160deg, color-mix(in srgb, var(--color-accent) 8%, var(--color-background)), color-mix(in srgb, var(--color-primary) 8%, var(--color-background))); }
.card-cover.has-cover-image { min-height: 220px; padding: 0; }
.card-cover.has-cover-image img { display: block; width: 100%; height: 220px; object-fit: cover; background: transparent; }
.card-cover:not(.has-cover-image) { display: flex; align-items: center; justify-content: center; min-height: 140px; color: var(--color-secondary); font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; }

/* ─── Placeholders editoriales por tipo ─── */
.card-cover-placeholder, .ficha-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 220px;
  padding: 24px;
  background:
    radial-gradient(circle at 30% 20%, color-mix(in srgb, var(--color-accent) 6%, transparent), transparent 55%),
    radial-gradient(circle at 70% 80%, color-mix(in srgb, var(--color-primary) 6%, transparent), transparent 55%),
    linear-gradient(160deg, color-mix(in srgb, var(--color-accent) 8%, var(--color-background)), color-mix(in srgb, var(--color-primary) 8%, var(--color-background)));
  border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 10%, transparent);
}
.card-cover-placeholder svg, .ficha-placeholder svg {
  width: 64px;
  height: 64px;
  color: color-mix(in srgb, var(--color-primary) 28%, transparent);
}
.ficha-placeholder {
  min-height: 280px;
  border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--color-primary) 10%, transparent);
  margin: 0 0 28px;
}
.ficha-placeholder svg {
  width: 96px;
  height: 96px;
}

/* ─── Sección de recursos sin título vacío ─── */
.media-section:empty, .carousel-section:empty, .related-section:empty, .document-viewer:empty {
  display: none;
}
.media-unavailable {
  padding: 28px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 16%, transparent);
}
.media-unavailable p {
  color: var(--color-secondary);
  font-size: .95rem;
  margin: 0;
  text-align: center;
}

/* ─── Filtros dinámicos: conteo visible ─── */
.filter-btn .filter-count {
  display: inline-block;
  margin-left: 4px;
  font-size: .68rem;
  font-weight: 700;
  opacity: .8;
}

/* ─── Fuentes externas / Objetos relacionados ─── */
.source-card {
  display: flex;
  align-items: stretch;
  border: 1px solid color-mix(in srgb, var(--color-primary) 12%, transparent);
  border-radius: var(--radius);
  background: var(--color-card);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.source-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px color-mix(in srgb, var(--color-primary) 10%, transparent);
  border-color: color-mix(in srgb, var(--color-primary) 22%, transparent);
}
.source-card-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  text-decoration: none;
  color: inherit;
  width: 100%;
}
.source-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--color-primary) 8%, var(--color-background));
  color: color-mix(in srgb, var(--color-primary) 55%, transparent);
  flex-shrink: 0;
}
.source-card-icon svg {
  width: 18px;
  height: 18px;
}
.source-card-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.source-card-domain {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color-primary) 65%, transparent);
}
.source-card-label {
  font-size: .9rem;
  color: var(--color-primary);
  font-weight: 600;
}