@import url("tokens.css");

/* ============================================================
   EN LA MESA CON MARCOS: Sistema de diseño compartido
   Lo usan la portada (index.html) y las páginas de unidad.
   La paleta y las fuentes viven en tokens.css (fuente única),
   importada arriba. La Lectura 16 importa ese mismo tokens.css.
   ============================================================ */

:root {
  /* Paleta y fuentes: ver sistema/tokens.css */
  --maxw: 1100px;

  /* Variables adicionales compatibles con Unidad 16 */
  --border-color: var(--border);
  --panel-bg: rgba(239, 228, 202, 0.96);
  --tooltip-bg: #f0e9da;
  --shadow-color: rgba(0, 0, 0, 0.12);
  --btn-bg-neutral: #ffffff;
  --verse-num-color: #707070;
  --transition-speed: 0.2s;
}

/* Escala de letra (toggle) */
html {
  scroll-behavior: smooth;
  font-size: 18px;
  transition: font-size 0.2s ease;
}
html[data-font-size="medium"] {
  font-size: 21px;
}
html[data-font-size="large"] {
  font-size: 24px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  overflow-x: clip; /* impide el scroll horizontal a nivel raiz: constrine el header fijo y el ancho de pagina en movil */
}

body {
  background: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
  overflow-x: clip; /* evita el scroll horizontal (p.ej. el tablero exegetico de 200%) sin romper position:sticky */
}

a { color: inherit; text-decoration: none; }

/* ---------- Transiciones de página (entrar a una lectura y volver) ---------- */
@media (prefers-reduced-motion: no-preference) {
  body { animation: elmm-page-in 0.5s ease both; }
  body.is-leaving { animation: elmm-page-out 0.28s ease both; }
}
@keyframes elmm-page-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes elmm-page-out {
  from { opacity: 1; }
  to   { opacity: 0; }
}

/* ---------- Barra superior ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  gap: 16px;
  padding: 14px clamp(16px, 4vw, 40px);
  background: color-mix(in srgb, var(--bg-color) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  color: var(--text-primary);
}
.brand small {
  display: block;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 2px;
}
.topbar-tools { display: flex; gap: 8px; grid-column: 3; justify-self: end; }
.tool-btn {
  font-family: var(--font-sans);
  font-size: 0.78rem; font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.tool-btn:hover { color: var(--text-primary); border-color: var(--border-strong); }

/* ---------- Contenedor ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: clamp(28px, 6vw, 64px) clamp(16px, 4vw, 40px) 96px; }

/* ---------- Hero de la portada ---------- */
.hero { text-align: center; margin-bottom: 56px; }
.hero-logo {
  width: 80px; height: 80px;
  border-radius: 6px;
  display: block;
  margin: 0 auto 20px;
  box-shadow: 0 4px 16px var(--shadow);
}
.hero h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.hero .kicker {
  font-family: var(--font-sans);
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--accent-terracotta);
  margin-bottom: 14px;
}
.hero p {
  max-width: 64ch; margin: 18px auto 0;
  color: var(--text-secondary);
  font-size: 1.02rem;
}

/* ---------- Rejilla de unidades ---------- */
.units {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.unit-card {
  display: flex; flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 20px 18px;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
  position: relative;
}
.unit-card.available:hover { transform: translateY(-3px); border-color: var(--accent-terracotta); }
.unit-card.soon { opacity: 0.66; }
.unit-num {
  font-family: var(--font-sans);
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-terracotta);
  margin-bottom: 8px;
}
.unit-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.18rem;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.unit-passage {
  font-family: var(--font-sans);
  font-size: 0.84rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
}
.unit-status {
  margin-top: auto;
  font-family: var(--font-sans);
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
}
.unit-status.is-available { color: var(--accent-teal); }
.unit-status.is-soon { color: var(--text-secondary); }

/* ---------- Cabecera de página de unidad ---------- */
.unit-header { text-align: center; margin-bottom: 48px; }
.unit-header .num {
  font-family: var(--font-sans);
  font-size: 0.74rem; font-weight: 700;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent-terracotta);
  margin-bottom: 12px;
}
.unit-header h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.9rem, 5vw, 3rem);
  line-height: 1.12;
}
.unit-header .passage {
  margin-top: 12px;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* ---------- Placeholder "en preparación" ---------- */
.placeholder {
  text-align: center;
  border: 1px dashed var(--border-strong);
  border-radius: 16px;
  padding: 64px 28px;
  background: var(--bg-card);
  color: var(--text-secondary);
}
.placeholder .mark { font-size: 2rem; margin-bottom: 12px; }
.placeholder h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}

/* ---------- Navegación inferior ---------- */
.unit-nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-top: 48px;
}
.unit-nav a, .unit-nav span {
  font-family: var(--font-sans);
  font-size: 0.85rem; font-weight: 600;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 9px 18px;
  transition: all 0.2s ease;
}
.unit-nav a:hover { color: var(--text-primary); border-color: var(--border-strong); }
.unit-nav .disabled { opacity: 0.35; pointer-events: none; }
.unit-nav .home { border-color: var(--accent-terracotta); color: var(--accent-terracotta); }

/* ---------- Footer ---------- */
.foot {
  text-align: center;
  padding: 40px 20px;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* Barra de recursos de estudio en el pie de página (todas las páginas) */
.footer-recursos {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  align-items: center;
  max-width: 880px;
  margin: 0 auto 18px;
}
.footer-recursos-label {
  flex-basis: 100%;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.68rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
  opacity: 0.8;
}
.footer-recurso-btn {
  display: inline-flex;
  align-items: center;
  padding: 7px 13px;
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 500;
  line-height: 1;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.footer-recurso-btn:hover {
  color: var(--accent-terracotta);
  border-color: var(--accent-terracotta);
  background: var(--bg-elevated);
}

@media (max-width: 560px) {
  .topbar { flex-direction: column; align-items: flex-start; gap: 10px; }
  .units { grid-template-columns: 1fr; }
}

/* ---------- Logo + menú de unidades en el header ---------- */
.brand { display: flex; align-items: center; gap: 12px; position: relative; grid-column: 2; justify-self: center; }
.brand .logo { display: inline-flex; }
.brand .logo img { height: 34px; width: 34px; border-radius: 8px; display: block; }
.brand-title {
  font-family: var(--font-serif); font-weight: 700; font-size: 1.15rem;
  color: var(--text-primary); background: none; border: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: 7px; padding: 4px 2px;
}
.brand-title .caret { font-size: 0.62em; color: var(--text-secondary); transition: transform 0.2s ease; }
.unit-menu.open ~ .brand-title .caret, .brand-title[aria-expanded="true"] .caret { transform: rotate(180deg); }

.unit-menu {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%); z-index: 200;
  width: min(400px, 92vw); max-height: 72vh; overflow-y: auto;
  background: var(--bg-card); border: 1px solid var(--border-strong);
  border-radius: 14px; box-shadow: 0 18px 44px var(--shadow);
  padding: 8px; display: none;
}
.unit-menu.open { display: block; }
.unit-menu a {
  display: grid; grid-template-columns: 2.2em 1fr; gap: 0 12px;
  align-items: baseline; padding: 9px 12px; border-radius: 10px;
}
.unit-menu a:hover { background: var(--bg-elevated); }
.unit-menu a[aria-current="page"] { background: var(--bg-elevated); box-shadow: inset 3px 0 0 var(--accent-terracotta); }
.unit-menu .um-num { grid-row: 1 / 3; font-family: var(--font-sans); font-weight: 700; font-size: 0.8rem; color: var(--accent-terracotta); }
.unit-menu .um-t { font-family: var(--font-serif); font-weight: 600; font-size: 0.98rem; color: var(--text-primary); line-height: 1.25; }
.unit-menu .um-p { grid-column: 2; font-family: var(--font-sans); font-size: 0.74rem; color: var(--text-secondary); margin-top: 1px; }

/* ============ Estilo rústico / antiguo ============ */

/* Grano de pergamino (textura sutil, SVG inline ligero) */
body {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
}

/* Esquinas menos redondeadas (menos 'app', más documento) */
.unit-card, .unit-menu, .placeholder { border-radius: 4px; }
.tool-btn, .unit-nav a, .unit-nav span, .unit-menu a { border-radius: 3px; }

/* Marco dorado fino dentro de cada tarjeta */
.unit-card { position: relative; }
.unit-card::after {
  content: ""; position: absolute; inset: 6px;
  border: 1px solid rgba(var(--accent-gold-rgb), 0.4);
  pointer-events: none;
}

/* Rótulos en versalitas espaciadas */
.unit-num, .kicker, .unit-header .num, .unit-status { letter-spacing: 0.16em; }

/* Letra capital estilo manuscrito */
.dropcap::first-letter {
  float: left; font-family: var(--font-serif); font-weight: 700;
  font-size: 3.1em; line-height: 0.72; padding: 6px 10px 0 0;
  color: var(--accent-terracotta);
}

/* Cenefa / filete ornamental dorado entre secciones */
.flourish {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  max-width: 360px; margin: 36px auto;
}
.flourish::before, .flourish::after {
  content: ""; height: 1px; flex: 1;
  background: rgba(var(--accent-gold-rgb), 0.5);
}
.flourish i {
  width: 7px; height: 7px; transform: rotate(45deg);
  background: var(--accent-gold); display: inline-block;
}

/* ===== Ajustes de color (feedback) ===== */
/* Referencias de pasaje en negro fuerte (como el título) */
.unit-passage, .unit-menu .um-p, .unit-header .passage { color: var(--text-primary); }
/* "Disponible" con color de la paleta (oro) en vez de teal */
.unit-status.is-available { color: var(--accent-gold); }
/* Marco dorado un poco más presente */
.unit-card::after { border-color: rgba(var(--accent-gold-rgb), 0.5); }

/* ===== Tarjetas con portada (índice) ===== */
.unit-card { padding: 0; overflow: hidden; border: 1px solid rgba(var(--accent-gold-rgb), 0.4); }
.unit-card::after { display: none; }
.unit-card.soon, .unit-card.available { opacity: 1; }
.unit-card:hover { transform: translateY(-3px); border-color: var(--accent-terracotta); }
.unit-cover { aspect-ratio: 16 / 9; background: var(--bg-elevated); display: block; }
.unit-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.unit-card-body { padding: 16px 18px 18px; display: flex; flex-direction: column; flex: 1; }
.unit-card-body .unit-passage { margin-bottom: 0; }

/* ---------- Bloques de versículos ---------- */
.verse-block {
  margin-bottom: 56px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(var(--accent-gold-rgb), 0.08);
  max-height: 4000px;
  opacity: 1;
  scroll-margin-top: 80px;
  transition: max-height 0.5s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.4s ease,
    margin-bottom 0.5s cubic-bezier(0.16, 1, 0.3, 1),
    padding-bottom 0.5s cubic-bezier(0.16, 1, 0.3, 1),
    border-bottom-color 0.4s ease;
}
.verse-block.filtered-out {
  max-height: 0 !important;
  opacity: 0 !important;
  margin-bottom: 0 !important;
  padding-bottom: 0 !important;
  border-bottom-color: transparent !important;
  pointer-events: none !important;
  overflow: hidden !important;
}
.verse-block:last-of-type {
  border-bottom: none;
  margin-bottom: 32px;
}
.verse-block-header {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-gold);
  margin-bottom: 6px;
}
.verse-block-title {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 24px;
  line-height: 1.4;
}
.verse-paragraph {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  margin-bottom: 24px;
  font-size: 1.15rem;
  position: relative;
  max-height: 1800px;
  opacity: 1;
  transform: translateY(0) scale(1);
  transition: max-height 0.5s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.35s ease,
    margin-bottom 0.45s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  min-height: calc(var(--refs-count, 0) * 21px + 8px);
}
.verse-paragraph.filtered-out {
  max-height: 0 !important;
  opacity: 0 !important;
  margin-bottom: 0 !important;
  transform: translateY(-10px) scale(0.95) !important;
  pointer-events: none !important;
  overflow: hidden !important;
}
.verse-paragraph:last-child {
  margin-bottom: 12px;
}
.verse-num {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--verse-num-color);
  min-width: 24px;
  margin-right: 14px;
  text-align: right;
  user-select: none;
  margin-top: 6px;
}
.verse-num.active {
  color: var(--accent-teal);
}
.verse-content {
  flex: 1;
  text-align: left;
  font-family: var(--font-serif);
  color: var(--text-primary);
  line-height: 1.7;
}
.verse-block-footer {
  font-family: var(--font-sans);
  font-variant: all-small-caps;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-top: 24px;
}

/* ---------- Maquetación de tres columnas (diseño interactivo) ---------- */
header.sticky-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background-color: var(--panel-bg);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
  z-index: 1000;
  box-shadow: none;
  transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}
.nav-left {
  flex: 1;
  display: flex;
  justify-content: flex-start;
}
.nav-center {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
}
.nav-center .logo img {
  height: 34px;
  width: 34px;
  border-radius: 8px;
  display: block;
}
.nav-right {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}
.nav-title {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
}
.sidebar-toggle-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 0;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-speed) ease;
}
.sidebar-toggle-btn:hover,
.sidebar-toggle-btn.active {
  color: var(--text-primary);
  background: none;
  border: none;
}
.sidebar-toggle-btn .toggle-arrow {
  display: inline-block;
  margin-left: 6px;
  transition: transform 0.25s ease;
  font-size: 1.05rem;
  line-height: 1;
}
.sidebar-toggle-btn .toggle-arrow {
  transform: rotate(180deg);
}
.sidebar-toggle-btn.active .toggle-arrow {
  transform: rotate(0deg);
}

.sidebar-toc,
.sidebar-analysis {
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1),
    padding 0.4s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.3s ease,
    border-color var(--transition-speed) ease,
    background-color var(--transition-speed) ease;
}
.sidebar-toc.collapsed {
  width: 0 !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
  border-right: 0 solid transparent !important;
  opacity: 0 !important;
  pointer-events: none;
  overflow: hidden !important;
}
.sidebar-analysis.collapsed {
  width: 0 !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
  border-left: 0 solid transparent !important;
  opacity: 0 !important;
  pointer-events: none;
  overflow: hidden !important;
}
.app-layout {
  display: flex;
  flex-direction: row;
  min-height: calc(100vh - 60px);
  width: 100%;
  margin-top: 60px; /* deja libre el alto del header fijo (60px) para que no tape el contenido */
}
main.reading-container {
  flex: 1;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 80px 24px;
}
.sidebar-toc {
  width: 280px;
  position: fixed;
  left: 0;
  top: 60px;
  bottom: 0;
  height: calc(100vh - 60px);
  background-color: var(--panel-bg);
  border-right: 1px solid var(--border-color);
  padding: 0;
  overflow-y: hidden;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}
.toc-sidebar-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  margin-bottom: 20px;
}
.toc-sidebar-title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-gold);
}
.toc-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
  overflow-y: auto;
  padding: 12px 24px 16px 24px;
}
.toc-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toc-section-title {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px dashed rgba(var(--accent-gold-rgb), 0.08);
  padding-bottom: 6px;
  margin-bottom: 8px;
}
.toc-link-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.toc-link-item {
  border-radius: 6px;
  transition: background-color var(--transition-speed) ease;
}
.toc-link-item:hover {
  background-color: rgba(0, 0, 0, 0.03);
}
.toc-link-item > div {
  padding: 6px 8px;
}
.toc-link {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  display: block;
}
.toc-link-desc {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  color: var(--text-secondary);
  display: block;
  margin-top: 1px;
}

.sidebar-analysis {
  width: 280px;
  position: fixed;
  right: 0;
  top: 60px;
  bottom: 0;
  height: calc(100vh - 60px);
  background-color: var(--panel-bg);
  border-left: 1px solid var(--border-color);
  padding: 20px 20px 16px 20px;
  overflow-y: auto;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.analysis-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.analysis-section-title {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px dashed rgba(var(--accent-gold-rgb), 0.08);
  padding-bottom: 6px;
  margin-bottom: 8px;
}
.sidebar-dock {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sidebar-dock .dock-btn {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
  background-color: var(--btn-bg-neutral);
  text-align: left;
  font-size: 0.8rem;
  white-space: normal;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  color: var(--text-primary);
  transition: all var(--transition-speed) ease;
}
.sidebar-dock .dock-btn:hover {
  border-color: var(--accent-gold);
  transform: translateY(-1px);
  background-color: var(--btn-bg-neutral);
}
.filter-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.filter-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--btn-bg-neutral);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  text-align: left;
  line-height: 1.3;
}
.filter-btn:hover {
  border-color: var(--accent-gold);
  color: var(--text-primary);
  transform: translateY(-1px);
}
.filter-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  transition: all var(--transition-speed) ease;
  flex-shrink: 0;
}

/* ---------- Elementos Interactivos ---------- */
.interactive-term {
  cursor: pointer;
  border-bottom: 1.5px solid transparent;
  padding: 0;
  border-radius: 2px;
  transition: all 0.12s ease-in-out;
}
.interactive-term[data-type="theological"] {
  background-color: transparent;
  border-bottom: 1.5px dotted var(--text-secondary);
  color: inherit;
}
.interactive-term[data-type="theological"]:hover {
  border-bottom-color: var(--text-primary);
}
.interactive-term[data-type="vigil"] {
  background-color: transparent;
  border-bottom: 1.5px dotted var(--accent-terracotta);
  color: inherit;
}
.interactive-term[data-type="vigil"]:hover {
  border-bottom-style: solid;
  border-bottom-color: var(--accent-gold);
}

.verse-img-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 5px;
  border: 1.5px solid rgba(0, 0, 0, 0.25);
  background: rgba(0, 0, 0, 0.04);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
  vertical-align: middle;
  margin-left: 4px;
  color: rgba(0, 0, 0, 0.5);
  position: relative;
  top: -1px;
}
.verse-img-btn:hover {
  background: rgba(0, 0, 0, 0.1);
  border-color: rgba(0, 0, 0, 0.5);
  color: rgba(0, 0, 0, 0.85);
  transform: scale(1.12);
}
.verse-img-btn.active {
  background: rgba(0, 0, 0, 0.18);
  border-color: rgba(0, 0, 0, 0.6);
}
.verse-img-btn svg {
  width: 11px;
  height: 11px;
  fill: currentColor;
}

.verse-comment-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 5px;
  border: 1.5px solid rgba(0, 0, 0, 0.25);
  background: rgba(0, 0, 0, 0.04);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
  vertical-align: middle;
  margin-left: 6px;
  color: rgba(0, 0, 0, 0.5);
  position: relative;
  top: -1px;
}
.verse-comment-btn:hover {
  background: rgba(0, 0, 0, 0.1);
  border-color: rgba(0, 0, 0, 0.5);
  color: rgba(0, 0, 0, 0.85);
  transform: scale(1.12);
}
.verse-comment-btn svg {
  width: 11px;
  height: 11px;
  fill: currentColor;
}

.verse-tooltip {
  position: relative;
  border-bottom: 1.5px dotted var(--text-secondary);
  cursor: help;
}
.verse-tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--tooltip-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.74rem;
  line-height: 1.55;
  padding: 9px 13px;
  border-radius: 8px;
  width: 280px;
  white-space: normal;
  z-index: 600;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
  box-shadow: 0 4px 20px var(--shadow-color);
}
.verse-tooltip:hover::after {
  opacity: 1;
}

.verse-img-expand {
  display: block;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.3s ease,
    margin-bottom 0.3s ease;
  opacity: 0;
  margin-bottom: 0;
}
.verse-img-expand.open {
  max-height: 600px;
  opacity: 1;
  margin-bottom: 20px;
}
.verse-img-expand img {
  width: 100%;
  max-height: 420px;
  border-radius: 10px;
  display: block;
  object-fit: cover;
  object-position: center top;
}

/* ---------- Referencias Cruzadas ---------- */
.parallel-refs-col {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0px;
  position: absolute;
  right: 100%;
  top: 6px;
  width: 130px;
  margin-right: 14px;
}
.parallel-ref-link {
  font-family: var(--font-serif);
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-primary);
  opacity: 0.75;
  cursor: pointer;
  white-space: nowrap;
  line-height: 1.45;
  transition: opacity 0.2s ease;
  background: none;
  border: none;
  padding: 0 2px;
  text-align: right;
}
.parallel-ref-link:hover {
  opacity: 1;
}
.parallel-ref-link.active {
  opacity: 1;
  font-weight: 600;
  color: var(--accent-teal);
}
.parallel-expand {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.45s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.3s ease,
    margin-bottom 0.35s ease,
    padding 0.35s ease;
  margin-bottom: 0;
  margin-left: 34px;
  border-left: 3px solid var(--accent-teal);
  padding-left: 16px;
  padding-top: 0;
  padding-bottom: 0;
}
.parallel-expand.active {
  max-height: 800px;
  opacity: 1;
  margin-bottom: 16px;
  padding-top: 8px;
  padding-bottom: 6px;
}
.parallel-expand .parallel-ref {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.parallel-expand .parallel-text {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--text-primary);
  line-height: 1.55;
}
.sinopticos-expand {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.45s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.3s ease,
    margin-bottom 0.35s ease,
    padding 0.35s ease;
  margin-bottom: 0;
  margin-left: 34px;
  border-left: 3px solid var(--accent-teal);
  padding-left: 16px;
  padding-top: 0;
  padding-bottom: 0;
}
.sinopticos-expand.active {
  max-height: 1000px;
  opacity: 1;
  margin-bottom: 16px;
  padding-top: 8px;
  padding-bottom: 8px;
}
.sinopticos-title-header {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  opacity: 0.45;
  margin-bottom: 10px;
}
.sinoptico-divider {
  height: 1px;
  background-color: rgba(0, 0, 0, 0.08);
  margin: 12px 0;
}
.sinoptico-item {
  display: flex;
  flex-direction: column;
}

/* ---------- Sistema Tablero y Panel Exegético ---------- */
main.reading-container {
  overflow: visible;
}
.slide-board {
  display: flex;
  width: 200%;
  transition: transform 0.55s cubic-bezier(0.25, 1, 0.5, 1);
}
main.reading-container.showing-exegesis .slide-board {
  transform: translateX(-50%);
}
.reading-slide-wrapper {
  width: 50%;
  flex-shrink: 0;
  opacity: 1;
  transition: opacity 0.4s ease;
}
main.reading-container.showing-exegesis .reading-slide-wrapper {
  max-height: 100vh;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}
.exegesis-panel-global {
  width: 50%;
  flex-shrink: 0;
  padding: 40px 24px 100px 24px;
  max-width: 720px;
  min-height: 60vh;
  background-color: var(--bg-color);
  color: var(--text-primary);
  transition: background-color var(--transition-speed), color var(--transition-speed), visibility 0s linear 0.55s;
  visibility: hidden;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
main.reading-container.showing-exegesis .exegesis-panel-global {
  visibility: visible;
  transition: background-color var(--transition-speed), color var(--transition-speed), visibility 0s linear 0s;
}
.exegesis-back-btn {
  position: fixed;
  left: calc(50vw - 400px);
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  cursor: pointer;
  padding: 0;
  box-shadow: 0 2px 12px var(--shadow-color);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color var(--transition-speed), border-color var(--transition-speed), opacity 0.2s ease;
  opacity: 0;
  pointer-events: none;
}
main.reading-container.showing-exegesis .exegesis-back-btn {
  opacity: 1;
  pointer-events: auto;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.3s ease 0.3s, background-color var(--transition-speed), border-color var(--transition-speed);
}
.exegesis-back-btn:hover {
  transform: translateY(-50%) scale(1.08);
  box-shadow: 0 4px 20px var(--shadow-color);
}
.exegesis-back-btn:active {
  transform: translateY(-50%) scale(0.95);
}
.exegesis-back-btn svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: var(--text-primary);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke var(--transition-speed);
}
.exegesis-verse-ref {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: rgba(var(--accent-gold-rgb), 0.05);
  border-left: 3px solid rgba(var(--accent-gold-rgb), 0.35);
  padding: 10px 14px;
  border-radius: 0 6px 6px 0;
  margin-bottom: 4px;
}
.exegesis-verse-ref-label {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.exegesis-verse-ref-text {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.55;
}
.exegesis-title-header {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.exegesis-content {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--text-primary);
  line-height: 1.7;
}
.exegesis-content p {
  margin-bottom: 16px;
}
.exegesis-content ul {
  margin-left: 20px;
  margin-bottom: 16px;
}
.exegesis-content li {
  margin-bottom: 6px;
}
.exegesis-img {
  width: 100%;
  max-height: 420px;
  border-radius: 10px;
  display: block;
  object-fit: cover;
  margin-bottom: 16px;
}
.exegesis-note {
  border-left: 3px solid var(--accent-gold);
  padding-left: 12px;
  margin-bottom: 16px;
  font-style: italic;
}
.exegesis-note-alert {
  border-left: 3px solid var(--accent-terracotta);
  padding-left: 12px;
  margin-bottom: 16px;
  background: rgba(var(--accent-terracotta), 0.04);
  padding: 10px 12px;
  border-radius: 0 6px 6px 0;
}

/* ---------- Ajustes Responsivos ---------- */
@media (max-width: 900px) {
  .exegesis-back-btn {
    left: 16px;
    top: 80px;
    transform: none;
    width: 40px;
    height: 40px;
  }
  .exegesis-back-btn:hover {
    transform: scale(1.08);
  }
  .exegesis-back-btn:active {
    transform: scale(0.95);
  }
  .exegesis-panel-global {
    width: 50%; /* es hijo del tablero de 200%, asi que 50% equivale al ancho del viewport (100% lo dejaba fuera de pantalla) */
    padding: 24px 16px 80px 16px;
  }
  main.reading-container.showing-exegesis .slide-board {
    transform: translateX(-50%);
  }
}

@media (max-width: 768px) {
  html {
    font-size: 16px;
  }
  .app-layout {
    display: block !important;
  }
  .sidebar-toc {
    display: none !important;
  }
  main.reading-container {
    padding: 32px 16px 60px 16px !important;
    max-width: 100% !important;
    margin: 0 auto;
  }
  header.sticky-nav {
    padding: 0 12px;
  }
  .nav-title {
    font-size: 0.8rem;
  }
  .sidebar-toggle-btn {
    display: none !important;
  }
  .sidebar-analysis {
    display: none !important;
  }
  .verse-paragraph {
    margin-bottom: 18px;
    min-height: auto !important;
    flex-wrap: wrap !important;
  }
  .verse-num {
    min-width: 20px;
    margin-right: 10px;
  }
  .parallel-refs-col {
    position: relative !important;
    right: auto !important;
    top: auto !important;
    width: calc(100% - 30px) !important;
    margin-left: 30px !important;
    margin-right: 0 !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
    align-items: center !important;
    margin-bottom: 8px !important;
    padding-top: 0 !important;
  }
  .parallel-ref-link {
    text-align: left !important;
  }
}