/* ==========================================================================
   XML Article Galley Plugin — Visor Unificado Tema Metabiblioteca
   Alineado con los visores PDF y HTML de Metabiblioteca
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

/* Asegurar que el contenedor marco del visor XML respete el grid y no bloquee el scroll */
.metabiblioteca-xml-viewer-page #xmlContainer,
#xmlContainer.metabiblioteca-html-frame-wrap {
  position: relative !important;
  z-index: 1 !important;
  width: 100% !important;
  height: 100% !important;
  min-height: 0 !important;
  max-height: 100% !important;
  padding: clamp(.65rem, 1.5vw, 1.25rem) !important;
  box-sizing: border-box !important;
  display: flex !important;
  justify-content: center !important;
  align-items: stretch !important;
  overflow: hidden !important;
}

/* Lienzo de scroll del visor XML (análogo al iframe de HTML/PDF) */
.metabiblioteca-xml-scroll-canvas {
  display: block !important;
  width: 100% !important;
  max-width: 1200px !important;
  height: 100% !important;
  min-height: 0 !important;       /* CRÍTICO: anula min-height: auto en Flexbox para que no crezca infinito */
  max-height: 100% !important;   /* CRÍTICO: restringe la altura a la vista de la pantalla */
  flex: 1 1 0% !important;       /* CRÍTICO: ocupa exactamente el espacio disponible */
  overflow-y: auto !important;    /* CRÍTICO: activa el scroll vertical interactivo */
  overflow-x: hidden !important;
  -webkit-overflow-scrolling: touch !important;
  overscroll-behavior-y: contain !important;
  box-sizing: border-box !important;
  outline: none !important;
  border: 1px solid color-mix(in srgb, var(--metabiblioteca-color-01, #0284c7) 14%, rgba(0, 0, 0, .1));
  border-radius: var(--metabiblioteca-radius-ui, 12px);
  background: #ffffff;
  color: var(--metabiblioteca-color-03, #0f172a);
  box-shadow: 0 24px 70px rgba(15, 23, 42, .14);
  transition:
    max-width .34s ease,
    background-color .3s ease,
    color .3s ease,
    border-color .3s ease,
    box-shadow .34s ease;
}

/* Envoltura interna del artículo: ancho de lectura ergonómico */
.xv-wrap {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 3.5rem);
  box-sizing: border-box;
  font-family: var(--metabiblioteca-font-03, system-ui, -apple-system, sans-serif);
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--metabiblioteca-color-03, #0f172a);
  transition: max-width .34s ease, font-size .3s ease, color .3s ease;
}

@media (max-width: 680px) {
  .xv-wrap {
    padding: clamp(1rem, 3vw, 1.5rem);
  }
}

/* ── Cabecera del Artículo ── */
.xv-header {
  border-bottom: 2px solid color-mix(in srgb, var(--metabiblioteca-color-01, #0284c7) 22%, transparent);
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
}

.xv-title {
  font-family: var(--metabiblioteca-font-02, Georgia, 'Times New Roman', serif);
  font-size: clamp(1.75rem, 2.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.28;
  margin: 0 0 1rem;
  color: var(--metabiblioteca-color-01, #0284c7);
}

.xv-authors {
  font-family: var(--metabiblioteca-font-01, system-ui, sans-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--metabiblioteca-color-03, #0f172a);
  margin-bottom: .6rem;
  line-height: 1.5;
}

.xv-author {
  display: inline-block;
}

.xv-affiliations {
  font-size: .88rem;
  color: #64748b;
  margin-bottom: 1rem;
  line-height: 1.45;
}

.xv-aff {
  margin: .25rem 0;
}

.xv-keywords {
  font-family: var(--metabiblioteca-font-01, system-ui, sans-serif);
  font-size: .92rem;
  line-height: 1.55;
  background: color-mix(in srgb, var(--metabiblioteca-color-01, #0284c7) 8%, transparent);
  border-left: 4px solid var(--metabiblioteca-color-01, #0284c7);
  padding: .7rem 1.1rem;
  border-radius: 0 var(--metabiblioteca-radius-ui, 8px) var(--metabiblioteca-radius-ui, 8px) 0;
  margin-top: 1rem;
}

.xv-keywords strong {
  color: var(--metabiblioteca-color-03, #0f172a);
}

.xv-kw {
  color: var(--metabiblioteca-color-01, #0284c7);
  font-weight: 600;
}

/* ── Resumen / Abstract ── */
.xv-abstract {
  background: color-mix(in srgb, var(--metabiblioteca-color-05, #f8fafc) 92%, #ffffff 8%);
  border: 1px solid color-mix(in srgb, var(--metabiblioteca-color-01, #0284c7) 18%, transparent);
  border-left: 5px solid var(--metabiblioteca-color-01, #0284c7);
  padding: 1.25rem 1.6rem;
  margin: 2rem 0;
  border-radius: 0 var(--metabiblioteca-radius-ui, 12px) var(--metabiblioteca-radius-ui, 12px) 0;
  box-shadow: 0 4px 16px rgba(15, 23, 42, .04);
}

.xv-abstract-h {
  font-family: var(--metabiblioteca-font-01, system-ui, sans-serif);
  font-size: .95rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--metabiblioteca-color-01, #0284c7);
  margin: 0 0 .75rem;
}

.xv-abstract-body p {
  margin: .5rem 0;
  text-align: justify;
  line-height: 1.7;
}

/* ── Cuerpo del Artículo ── */
.xv-body {
  margin-top: 2rem;
}

.xv-sec {
  margin-bottom: 2rem;
}

.xv-sec-h {
  font-family: var(--metabiblioteca-font-02, Georgia, 'Times New Roman', serif);
  border-bottom: 1px solid color-mix(in srgb, var(--metabiblioteca-color-01, #0284c7) 15%, transparent);
  padding-bottom: .35rem;
  margin: 2rem 0 .9rem;
  font-weight: 700;
  color: var(--metabiblioteca-color-03, #0f172a);
  line-height: 1.35;
}

h2.xv-sec-h { font-size: clamp(1.35rem, 1.8vw, 1.7rem); }
h3.xv-sec-h { font-size: clamp(1.18rem, 1.5vw, 1.4rem); }
h4.xv-sec-h { font-size: clamp(1.05rem, 1.3vw, 1.2rem); }
h5.xv-sec-h,
h6.xv-sec-h { font-size: 1rem; color: #475569; }

.xv-body p {
  text-align: justify;
  margin: 1.1em 0;
  line-height: 1.78;
}

/* ── Listas ── */
.xv-list {
  margin: .8rem 0 .8rem 1.6rem;
  padding: 0;
}

.xv-list li {
  margin: .4rem 0;
}

/* ── Figuras e Imágenes ── */
.xv-fig {
  margin: 2rem auto;
  text-align: center;
  border: 1px solid color-mix(in srgb, var(--metabiblioteca-color-01, #0284c7) 16%, transparent);
  padding: 1rem;
  border-radius: var(--metabiblioteca-radius-ui, 12px);
  background: color-mix(in srgb, var(--metabiblioteca-color-05, #f8fafc) 90%, #ffffff 10%);
  box-shadow: 0 4px 18px rgba(15, 23, 42, .06);
}

.xv-img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto .75rem;
  border-radius: 8px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, .08);
}

figcaption {
  font-family: var(--metabiblioteca-font-01, system-ui, sans-serif);
  font-size: .9rem;
  color: #64748b;
  font-style: italic;
  text-align: left;
  margin-top: .5rem;
}

/* ── Tablas ── */
.xv-tbl {
  margin: 2rem 0;
}

.xv-table-scroll {
  overflow-x: auto;
  margin-bottom: .6rem;
  border: 1px solid color-mix(in srgb, var(--metabiblioteca-color-01, #0284c7) 16%, transparent);
  border-radius: var(--metabiblioteca-radius-ui, 8px);
}

.xv-tbl-cap {
  font-family: var(--metabiblioteca-font-01, system-ui, sans-serif);
  font-size: .92rem;
  color: #475569;
  font-weight: 600;
  margin-bottom: .5rem;
}

.xv-tbl table {
  width: 100%;
  border-collapse: collapse;
  font-size: .95rem;
  font-family: var(--metabiblioteca-font-01, system-ui, sans-serif);
}

.xv-tbl th,
.xv-tbl td {
  border: 1px solid color-mix(in srgb, var(--metabiblioteca-color-01, #0284c7) 14%, transparent);
  padding: .75rem 1rem;
  text-align: left;
}

.xv-tbl th {
  background: var(--metabiblioteca-color-01, #0284c7);
  color: var(--metabiblioteca-color-04, #ffffff);
  font-weight: 700;
}

.xv-tbl tbody tr:nth-child(even) {
  background: color-mix(in srgb, var(--metabiblioteca-color-05, #f8fafc) 90%, #ffffff 10%);
}

.xv-tbl tbody tr:hover {
  background: color-mix(in srgb, var(--metabiblioteca-color-01, #0284c7) 6%, transparent);
}

/* ── Citas / Bloques ── */
.xv-quote {
  border-left: 4px solid var(--metabiblioteca-color-01, #0284c7);
  padding: .6rem 1.25rem;
  margin: 1.5rem 0 1.5rem 1.5rem;
  color: #475569;
  font-style: italic;
  background: color-mix(in srgb, var(--metabiblioteca-color-01, #0284c7) 4%, transparent);
  border-radius: 0 8px 8px 0;
}

.xv-box {
  border: 2px solid var(--metabiblioteca-color-01, #0284c7);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  border-radius: var(--metabiblioteca-radius-ui, 12px);
  background: color-mix(in srgb, var(--metabiblioteca-color-01, #0284c7) 6%, transparent);
}

/* ── Referencias ── */
.xv-refs {
  margin-top: 2.5rem;
  border-top: 2px solid color-mix(in srgb, var(--metabiblioteca-color-01, #0284c7) 20%, transparent);
  padding-top: 1.5rem;
}

.xv-refs h2 {
  font-family: var(--metabiblioteca-font-02, Georgia, 'Times New Roman', serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--metabiblioteca-color-03, #0f172a);
  margin-bottom: 1rem;
}

.xv-ref-list {
  font-size: .92rem;
  line-height: 1.65;
  color: #475569;
  padding-left: 1.5rem;
}

.xv-ref-list li {
  margin: .75rem 0;
  word-break: break-word;
}

.xv-ref-article-title {
  font-weight: 600;
  color: var(--metabiblioteca-color-03, #0f172a);
}

.xv-ref-source {
  font-style: italic;
}

.xv-ref-link,
.xv-ref-doi,
.xv-ref-pmid {
  color: var(--metabiblioteca-color-01, #0284c7);
  text-decoration: underline;
  word-break: break-all;
  font-size: 0.9em;
  transition: color .2s ease;
  display: inline-block;
  margin-left: 0.25rem;
}

.xv-ref-link:hover,
.xv-ref-doi:hover,
.xv-ref-pmid:hover {
  color: var(--metabiblioteca-color-02, #0369a1);
}

.xv-img-placeholder {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: color-mix(in srgb, var(--metabiblioteca-color-05, #f8fafc) 90%, #000 10%);
  border: 1px dashed color-mix(in srgb, var(--metabiblioteca-color-01, #0284c7) 30%, transparent);
  border-radius: 8px;
  color: #64748b;
  font-size: 0.88rem;
  margin: 1rem auto;
}

/* ── Enlaces / Referencias cruzadas ── */
a.xv-xref {
  color: var(--metabiblioteca-color-01, #0284c7);
  text-decoration: underline;
  font-weight: 600;
  transition: color .2s ease;
}

a.xv-xref:hover {
  color: var(--metabiblioteca-color-02, #0369a1);
}

/* ── Scrollbars personalizados ── */
.metabiblioteca-xml-scroll-canvas::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.metabiblioteca-xml-scroll-canvas::-webkit-scrollbar-track {
  background: transparent;
}

.metabiblioteca-xml-scroll-canvas::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--metabiblioteca-color-01, #0284c7) 35%, transparent);
  border-radius: 4px;
}

.metabiblioteca-xml-scroll-canvas::-webkit-scrollbar-thumb:hover {
  background: var(--metabiblioteca-color-01, #0284c7);
}

/* ==========================================================================
   Modo Lectura & Modo Oscuro (Idéntico a HTML y PDF)
   ========================================================================== */
.metabiblioteca-html-reading-mode .metabiblioteca-xml-scroll-canvas,
html.dark .metabiblioteca-xml-scroll-canvas,
.dark .metabiblioteca-xml-scroll-canvas {
  max-width: 1050px;
  background: #0b0f19;
  border-color: color-mix(in srgb, var(--metabiblioteca-color-01, #0284c7) 25%, transparent);
  box-shadow: 0 24px 80px rgba(0, 0, 0, .6);
  color: #e2e8f0;
}

.metabiblioteca-html-reading-mode .xv-wrap {
  max-width: 860px;
  font-size: 1.125rem;
  line-height: 1.85;
  color: #e2e8f0;
}

.metabiblioteca-html-reading-mode .xv-title,
html.dark .xv-title,
.dark .xv-title {
  color: #38bdf8;
}

.metabiblioteca-html-reading-mode .xv-authors,
html.dark .xv-authors,
.dark .xv-authors {
  color: #cbd5e1;
}

.metabiblioteca-html-reading-mode .xv-affiliations,
html.dark .xv-affiliations,
.dark .xv-affiliations {
  color: #94a3b8;
}

.metabiblioteca-html-reading-mode .xv-keywords,
html.dark .xv-keywords,
.dark .xv-keywords {
  background: rgba(255, 255, 255, .05);
}

.metabiblioteca-html-reading-mode .xv-keywords strong,
html.dark .xv-keywords strong,
.dark .xv-keywords strong {
  color: #f1f5f9;
}

.metabiblioteca-html-reading-mode .xv-abstract,
html.dark .xv-abstract,
.dark .xv-abstract {
  background: #111827;
  border-color: rgba(255, 255, 255, .1);
  box-shadow: none;
}

.metabiblioteca-html-reading-mode .xv-abstract-h,
html.dark .xv-abstract-h,
.dark .xv-abstract-h {
  color: #38bdf8;
}

.metabiblioteca-html-reading-mode .xv-sec-h,
html.dark .xv-sec-h,
.dark .xv-sec-h {
  color: #f8fafc;
  border-bottom-color: rgba(255, 255, 255, .12);
}

.metabiblioteca-html-reading-mode .xv-body p,
html.dark .xv-body p,
.dark .xv-body p {
  color: #e2e8f0;
}

.metabiblioteca-html-reading-mode .xv-fig,
html.dark .xv-fig,
.dark .xv-fig {
  background: #111827;
  border-color: rgba(255, 255, 255, .1);
}

.metabiblioteca-html-reading-mode figcaption,
html.dark figcaption,
.dark figcaption {
  color: #94a3b8;
}

.metabiblioteca-html-reading-mode .xv-table-scroll,
html.dark .xv-table-scroll,
.dark .xv-table-scroll {
  border-color: rgba(255, 255, 255, .1);
}

.metabiblioteca-html-reading-mode .xv-tbl-cap,
html.dark .xv-tbl-cap,
.dark .xv-tbl-cap {
  color: #cbd5e1;
}

.metabiblioteca-html-reading-mode .xv-tbl th,
.metabiblioteca-html-reading-mode .xv-tbl td,
html.dark .xv-tbl th,
html.dark .xv-tbl td,
.dark .xv-tbl th,
.dark .xv-tbl td {
  border-color: rgba(255, 255, 255, .12);
}

.metabiblioteca-html-reading-mode .xv-tbl tbody tr:nth-child(even),
html.dark .xv-tbl tbody tr:nth-child(even),
.dark .xv-tbl tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, .03);
}

.metabiblioteca-html-reading-mode .xv-quote,
html.dark .xv-quote,
.dark .xv-quote {
  background: rgba(255, 255, 255, .04);
  color: #94a3b8;
}

.metabiblioteca-html-reading-mode .xv-refs h2,
html.dark .xv-refs h2,
.dark .xv-refs h2 {
  color: #f8fafc;
}

.metabiblioteca-html-reading-mode .xv-ref-list,
html.dark .xv-ref-list,
.dark .xv-ref-list {
  color: #94a3b8;
}