/* ============================================================
   ÁRBOL DEL CONOCIMIENTO · vista inmersiva (js/sinapsis-arbol-mapa.js)
   Tokens: ArbolTokens.Mapa + SistemaV11 (app Kotlin)
   ============================================================ */
#arbolView {
  --am-cielo: #10150F;
  --am-panel: #151B13;
  --am-nav: #1A2219;
  --am-tinta: #EEF0E6;
  --am-tinta-2: rgba(238, 240, 230, 0.78);
  --am-tinta-3: rgba(238, 240, 230, 0.56);
  --am-linea: rgba(238, 240, 230, 0.12);
  --am-sage-chip: #D8E0CD;
  --am-sage: #A9BFA0;
  --am-terra: #B55A1F;
  --am-terra-claro: #E39A68;
  --am-semilla: #F2C46B;
  --am-sans: 'IBM Plex Sans', system-ui, sans-serif;
  --am-mono: 'IBM Plex Mono', ui-monospace, monospace;
  --am-serif: 'Newsreader', Georgia, serif;
  --am-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* La vista ocupa toda la pantalla, por encima del encabezado y la barra de la app. */
#arbolView.view-panel.active {
  position: fixed;
  inset: 0;
  z-index: 1500;
  display: block;
  margin: 0;
  padding: 0;
  max-width: none;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  border: 0;
  border-radius: 0;
  background: var(--am-cielo) !important;
  color: var(--am-tinta);
  overflow: hidden;
  opacity: 1;
  animation: am-vista 420ms var(--am-ease) both;
  filter: none;
  transform: none;
}
@keyframes am-vista {
  from { opacity: 0; }
  to { opacity: 1; }
}
#arbolView:fullscreen { width: 100vw; height: 100vh; }
body.arbol-inmersivo { overflow: hidden; }
body.arbol-inmersivo .app-header,
body.arbol-inmersivo .bottom-nav { visibility: hidden; }

#arbolView .am-app [hidden] { display: none !important; }
#arbolView button { font: inherit; background: none; border: 0; color: inherit; cursor: pointer; -webkit-tap-highlight-color: transparent; }
#arbolView button:disabled { cursor: default; opacity: 0.4; }
#arbolView :focus-visible { outline: 2px solid var(--am-sage); outline-offset: 2px; }

.am-app {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  background: var(--am-cielo);
  color: var(--am-tinta);
  font-family: var(--am-sans);
  -webkit-font-smoothing: antialiased;
}
@media (prefers-reduced-motion: no-preference) {
  #arbolView.active .am-app { animation: am-app-entra 520ms var(--am-ease) both; }
}
@keyframes am-app-entra {
  from { transform: scale(0.985); }
  to { transform: none; }
}

/* ── Cabecera: volver · pestañas · acciones (PantallaArbol.kt) ── */
.am-header {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: calc(8px + env(safe-area-inset-top, 0px)) max(10px, env(safe-area-inset-right, 0px)) 8px max(10px, env(safe-area-inset-left, 0px));
  background: var(--am-cielo);
  border-bottom: 1px solid rgba(238, 240, 230, 0.06);
  position: relative;
  z-index: 20;
}
.am-pestanas {
  flex: 1 1 auto;
  max-width: 460px;
  margin: 0 auto;
  display: flex;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  background: var(--am-nav);
  border: 1px solid rgba(238, 240, 230, 0.1);
}
#arbolView .am-pestana {
  flex: 1;
  height: 36px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 500;
  color: rgba(238, 240, 230, 0.7);
  white-space: nowrap;
  transition: background-color 200ms var(--am-ease), color 200ms var(--am-ease);
}
#arbolView .am-pestana:hover { color: var(--am-tinta); }
#arbolView .am-pestana.activa { background: var(--am-sage-chip); color: var(--am-cielo); font-weight: 600; }
.am-header-acciones { display: flex; gap: 2px; }

#arbolView .am-icono-btn {
  width: 44px;
  height: 44px;
  flex: none;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  color: rgba(238, 240, 230, 0.85);
  transition: background-color 180ms var(--am-ease), color 180ms var(--am-ease), transform 120ms var(--am-ease);
}
#arbolView .am-icono-btn:hover { background: rgba(238, 240, 230, 0.08); color: var(--am-tinta); }
#arbolView .am-icono-btn:active { transform: scale(0.94); }
#arbolView .am-icono-btn.am-chico { width: 36px; height: 36px; }
#arbolView .am-icono-btn.am-redondo {
  background: rgba(21, 27, 19, 0.92);
  border: 1px solid rgba(238, 240, 230, 0.15);
  width: 40px;
  height: 40px;
  backdrop-filter: blur(8px);
}
#arbolView .am-icono-btn.am-redondo:hover { border-color: rgba(169, 191, 160, 0.6); }

/* ── Modos ── */
.am-modo { flex: 1 1 auto; position: relative; min-height: 0; }
.am-fundido { animation: am-fundido 300ms ease-out; }
@keyframes am-fundido { from { opacity: 0; } to { opacity: 1; } }
.am-mapa { overflow: hidden; }
.am-scroll { overflow-y: auto; overscroll-behavior: contain; padding: 16px max(16px, env(safe-area-inset-left, 0px)) calc(32px + env(safe-area-inset-bottom, 0px)); }

.am-lienzo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: grab;
  outline: none;
  user-select: none;
  -webkit-user-select: none;
}
.am-lienzo:focus-visible { box-shadow: inset 0 0 0 2px var(--am-sage); }
.am-lienzo.am-sobre-nodo { cursor: pointer; }
.am-lienzo.am-arrastrando { cursor: grabbing; }

/* ── Fila superior del mapa: migas · materias · ver todo ── */
.am-fila {
  position: absolute;
  top: 8px;
  left: max(12px, env(safe-area-inset-left, 0px));
  right: max(8px, env(safe-area-inset-right, 0px));
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 8;
  pointer-events: none;
}
.am-fila > * { pointer-events: auto; }
.am-escritorio .am-fila { right: calc(clamp(320px, 27vw, 356px) + 24px); }
.am-migas {
  flex: 0 1 auto;
  min-width: 0;
  margin-right: auto;
  display: flex;
  align-items: center;
  height: 40px;
  padding: 0 4px;
  border-radius: 999px;
  background: rgba(21, 27, 19, 0.92);
  border: 1px solid rgba(238, 240, 230, 0.08);
  backdrop-filter: blur(8px);
  overflow-x: auto;
  scrollbar-width: none;
}
.am-migas::-webkit-scrollbar { display: none; }
#arbolView .am-miga {
  height: 40px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  font-size: 13.5px;
  color: rgba(238, 240, 230, 0.6);
  white-space: nowrap;
  border-radius: 999px;
  transition: color 160ms;
}
#arbolView .am-miga:hover { color: var(--am-tinta); }
#arbolView .am-miga.activa { color: var(--am-tinta); font-weight: 600; }
.am-miga-sep { display: inline-grid; color: rgba(238, 240, 230, 0.35); }

.am-materias { position: relative; }
#arbolView .am-chip {
  height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px 0 14px;
  border-radius: 999px;
  background: rgba(21, 27, 19, 0.92);
  border: 1px solid rgba(238, 240, 230, 0.12);
  font-size: 13px;
  font-weight: 500;
  color: rgba(238, 240, 230, 0.88);
  backdrop-filter: blur(8px);
  max-width: 190px;
  white-space: nowrap;
  transition: background-color 200ms, color 200ms;
}
#arbolView .am-chip span:last-of-type { overflow: hidden; text-overflow: ellipsis; }
#arbolView .am-chip.activo { background: var(--am-sage-chip); color: var(--am-cielo); }
.am-punto { width: 10px; height: 10px; border-radius: 50%; flex: none; display: inline-block; }
.am-menu {
  position: absolute;
  right: 0;
  top: 46px;
  min-width: 240px;
  max-height: min(60vh, 460px);
  overflow-y: auto;
  margin: 0;
  padding: 6px;
  list-style: none;
  background: var(--am-panel);
  border: 1px solid var(--am-linea);
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  z-index: 30;
  animation: am-entra 180ms var(--am-ease);
}
#arbolView .am-menu-item {
  width: 100%;
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 14px;
  text-align: left;
  color: var(--am-tinta);
}
#arbolView .am-menu-item:hover,
#arbolView .am-menu-item[aria-selected="true"] { background: rgba(238, 240, 230, 0.07); }
.am-menu-cuenta { margin-left: auto; font-family: var(--am-mono); font-size: 11px; color: var(--am-tinta-3); }

/* ── Riel del tiempo (derecha): toca un umbral para viajar ── */
.am-riel {
  position: absolute;
  right: 8px;
  z-index: 7;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  padding: 2px 0;
}
.am-riel::before {
  content: '';
  position: absolute;
  top: 16px;
  bottom: 16px;
  right: 16px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(#E39A68, #BECDB4 45%, #CFD8E8 75%, #9A8262);
  opacity: 0.28;
}
#arbolView .am-riel-item {
  position: relative;
  flex: 1 1 0;
  min-height: 30px;
  max-height: 56px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 0 9px 0 6px;
  color: var(--am-tinta-3);
  font-family: var(--am-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
}
.am-riel-punto {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--era);
  background: var(--am-cielo);
  flex: none;
  transition: transform 220ms var(--am-ease), background-color 220ms;
}
#arbolView .am-riel-item:hover { color: var(--am-tinta); }
#arbolView .am-riel-item:hover .am-riel-punto { transform: scale(1.2); }
#arbolView .am-riel-item.aqui { color: var(--am-tinta); }
#arbolView .am-riel-item.aqui .am-riel-punto { background: var(--era); transform: scale(1.3); box-shadow: 0 0 0 4px rgba(169, 191, 160, 0.16), 0 0 14px var(--era); }
.am-riel-txt {
  white-space: nowrap;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(21, 27, 19, 0.86);
  transition: opacity 200ms;
}
.am-mapa:not(.am-escritorio) .am-riel-txt { position: absolute; right: 30px; opacity: 0; pointer-events: none; }
.am-mapa:not(.am-escritorio) .am-riel-item.aqui .am-riel-txt { opacity: 1; }

/* ── Tarjeta: hoja inferior en móvil, panel lateral en escritorio ── */
.am-tarjeta {
  position: absolute;
  left: max(8px, env(safe-area-inset-left, 0px));
  right: max(8px, env(safe-area-inset-right, 0px));
  bottom: calc(8px + env(safe-area-inset-bottom, 0px));
  max-height: 58%;
  display: flex;
  flex-direction: column;
  background: var(--am-panel);
  border: 1px solid rgba(238, 240, 230, 0.14);
  border-radius: 22px;
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.38);
  z-index: 10;
  overflow: hidden;
}
@media (prefers-reduced-motion: no-preference) {
  .am-tarjeta:not([hidden]) { animation: am-sube 300ms var(--am-ease); }
  .am-escritorio .am-tarjeta:not([hidden]) { animation: am-lado 320ms var(--am-ease); }
}
@keyframes am-sube { from { transform: translateY(24px); opacity: 0; } }
@keyframes am-lado { from { transform: translateX(24px); opacity: 0; } }
.am-asa { flex: none; height: 18px; display: grid; place-items: center; cursor: grab; touch-action: none; }
.am-asa span { width: 38px; height: 4px; border-radius: 4px; background: rgba(238, 240, 230, 0.28); }
.am-mapa:not(.am-escritorio) .am-tarjeta.lista { max-height: 42%; }
.am-tarjeta-contenido { overflow-y: auto; overscroll-behavior: contain; min-height: 0; }
.am-escritorio .am-tarjeta {
  top: 8px;
  right: 12px;
  bottom: auto;
  left: auto;
  width: clamp(320px, 27vw, 356px);
  max-height: calc(100% - 20px);
  border-radius: 20px;
  box-shadow: -8px 0 40px rgba(0, 0, 0, 0.35);
}
.am-escritorio .am-asa { display: none; }
.am-escritorio .am-tarjeta-contenido { padding-top: 6px; }

.am-entra { animation: am-entra 260ms var(--am-ease); }
@keyframes am-entra { from { opacity: 0; transform: translateY(8px); } }

.am-enc { display: flex; align-items: flex-start; gap: 2px; padding: 6px 4px 8px 18px; }
.am-escritorio .am-enc { padding-top: 12px; }
.am-enc.plegable { cursor: pointer; }
.am-enc-txt { flex: 1; min-width: 0; padding-top: 4px; }
.am-chevron { display: grid; place-items: center; width: 36px; height: 44px; color: var(--am-tinta-3); }
.am-ceja {
  font-family: var(--am-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--am-sage);
  line-height: 1.4;
}
.am-titulo-serif {
  margin: 4px 0 0;
  font-family: var(--am-serif);
  font-style: italic;
  font-weight: 400;
  font-size: 26px;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--am-tinta);
}
.am-titulo { margin: 4px 0 0; font-family: var(--am-sans); font-size: 19px; font-weight: 600; line-height: 1.25; color: var(--am-tinta); }
.am-cuerpo { padding: 0 18px 18px; }
.am-texto { margin: 0 0 8px; font-size: 16px; line-height: 1.55; color: var(--am-tinta-2); }
.am-escritorio .am-texto { font-size: 15px; }
.am-tenue { color: var(--am-tinta-3); }
.am-dos-lineas { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.am-sep { margin: 16px 0 4px; }
.am-seccion { margin-top: 16px; }
.am-seccion .am-ceja { margin-bottom: 4px; }

#arbolView .am-boton {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--am-sage-chip);
  color: var(--am-cielo);
  font-size: 14.5px;
  font-weight: 600;
  margin-top: 4px;
  transition: transform 120ms var(--am-ease), filter 180ms;
}
#arbolView .am-boton:hover { filter: brightness(1.06); }
#arbolView .am-boton:active { transform: scale(0.97); }
#arbolView .am-boton.am-boton-empezar {
  display: flex;
  width: 100%;
  min-height: 52px;
  margin: 10px 0 6px;
  padding: 0 24px;
  border-radius: 14px;
  background: var(--am-sage);
  color: var(--am-cielo);
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  box-shadow: 0 6px 18px rgba(169, 191, 160, 0.24);
}
#arbolView .am-boton.am-boton-empezar:hover {
  background: var(--am-sage-chip);
  filter: brightness(1.04);
}
#arbolView .am-boton.terra { background: var(--am-terra); color: #fff; }
#arbolView .am-boton.sec { background: transparent; color: var(--am-tinta); border: 1px solid rgba(238, 240, 230, 0.2); }
#arbolView .am-enlace {
  display: block;
  width: 100%;
  min-height: 44px;
  text-align: left;
  color: var(--am-sage);
  font-size: 14.5px;
  font-weight: 500;
  padding: 10px 0;
}
#arbolView .am-enlace:hover { color: var(--am-sage-chip); }

.am-filas { margin: 0 -18px; }
#arbolView .am-fila-nav {
  width: 100%;
  min-height: 54px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 14px 8px 18px;
  text-align: left;
  color: var(--am-tinta);
  border-top: 1px solid rgba(238, 240, 230, 0.06);
  transition: background-color 160ms;
}
#arbolView .am-fila-nav:hover { background: rgba(238, 240, 230, 0.05); }
#arbolView .am-fila-nav svg { color: var(--am-sage); flex: none; }
.am-fila-txt { flex: 1; min-width: 0; font-size: 15px; line-height: 1.35; }
.am-fila-txt small { display: block; margin-top: 2px; font-size: 12.5px; color: var(--am-tinta-3); }
.am-punto-estado { width: 11px; height: 11px; border-radius: 50%; background: var(--c); flex: none; display: inline-block; }
.am-punto-estado.vacio { background: transparent; border: 1.5px solid var(--c); }
.am-fila-accion { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 4px; }
.am-estado { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--am-tinta-3); }

.am-escalera { list-style: none; margin: 4px 0 0; padding: 0; counter-reset: paso; }
.am-escalera li { counter-increment: paso; display: flex; gap: 12px; font-size: 15px; line-height: 1.5; color: var(--am-tinta-2); padding: 4px 0; }
.am-escalera li::before { content: counter(paso); font-family: var(--am-mono); font-size: 12px; color: var(--am-sage); min-width: 18px; padding-top: 2px; }

.am-progreso { margin-top: 16px; }
.am-barra { height: 6px; border-radius: 6px; background: rgba(238, 240, 230, 0.1); overflow: hidden; }
.am-barra span { display: block; height: 100%; background: var(--am-sage); border-radius: 6px; transition: width 600ms var(--am-ease); }
.am-progreso small { display: block; margin-top: 6px; font-size: 12.5px; color: var(--am-tinta-3); }

.am-nav-tiempo { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 18px; }
#arbolView .am-nav-btn {
  min-height: 56px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 14px;
  border: 1px solid rgba(238, 240, 230, 0.12);
  text-align: left;
  font-size: 13.5px;
  line-height: 1.3;
  color: var(--am-tinta);
  transition: border-color 160ms, background-color 160ms;
}
#arbolView .am-nav-btn:hover { border-color: rgba(169, 191, 160, 0.55); background: rgba(238, 240, 230, 0.03); }
#arbolView .am-nav-btn.der { justify-content: flex-end; text-align: right; }
#arbolView .am-nav-btn svg { color: var(--am-sage); flex: none; }
.am-nav-btn small { display: block; font-family: var(--am-mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--am-sage); }
.am-nav-btn span { min-width: 0; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }

.am-leyenda { margin-top: 12px; padding: 14px; border-radius: 14px; background: rgba(238, 240, 230, 0.03); border: 1px solid rgba(238, 240, 230, 0.07); }
.am-leyenda ul { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 8px; }
.am-leyenda li { display: grid; grid-template-columns: 34px 1fr; align-items: center; gap: 8px; font-size: 13.5px; line-height: 1.4; color: var(--am-tinta-2); }
.am-ley-icono { display: inline-flex; align-items: center; justify-content: center; gap: 3px; }
.am-ley-nudo, .am-ley-hito, .am-ley-hoja, .am-ley-exp { flex: none; display: inline-block; }
.am-ley-nudo { width: 16px; height: 16px; border-radius: 50%; border: 3px solid rgba(169, 191, 160, 0.4); background: radial-gradient(circle, #A9BFA0 45%, transparent 48%); }
.am-ley-hito { width: 10px; height: 10px; border-radius: 50%; background: #BECDB4; margin: 0 3px; }
.am-ley-hoja { width: 14px; height: 8px; border-radius: 50%; border: 1.3px solid #9FD4B8; transform: rotate(-20deg); }
.am-ley-hoja.lleno { background: #9FD4B8; }
.am-ley-exp { width: 14px; height: 14px; border-radius: 50%; background: var(--am-terra); box-shadow: 0 0 0 4px rgba(181, 90, 31, 0.3); }
.am-atajos { margin: 12px 0 0; font-size: 12.5px; line-height: 1.5; color: var(--am-tinta-3); }

#arbolView .am-mostrar {
  position: absolute;
  right: max(16px, env(safe-area-inset-right, 0px));
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--am-panel);
  border: 1px solid rgba(238, 240, 230, 0.14);
  color: var(--am-sage);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  z-index: 10;
  animation: am-entra 220ms var(--am-ease);
}

.am-pista {
  position: absolute;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  width: max-content;
  max-width: calc(100% - 32px);
  padding: 10px 16px;
  border-radius: 16px;
  background: rgba(21, 27, 19, 0.96);
  border: 1px solid rgba(169, 191, 160, 0.35);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--am-tinta-2);
  text-align: center;
  z-index: 12;
  pointer-events: none;
  animation: am-pista 420ms var(--am-ease) 1600ms both;
}
.am-pista b { color: var(--am-tinta); font-weight: 600; }
.am-pista.saliendo { opacity: 0; transition: opacity 240ms; }
@keyframes am-pista { from { opacity: 0; transform: translate(-50%, -8px); } to { opacity: 1; transform: translate(-50%, 0); } }

.am-anuncio { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ── Buscador ── */
.am-buscador {
  position: absolute;
  top: calc(60px + env(safe-area-inset-top, 0px));
  left: 50%;
  transform: translateX(-50%);
  width: min(580px, calc(100% - 24px));
  z-index: 40;
  background: var(--am-panel);
  border: 1px solid rgba(238, 240, 230, 0.16);
  border-radius: 20px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
  padding: 6px;
  animation: am-entra 200ms var(--am-ease);
}
.am-buscador-caja { display: flex; align-items: center; gap: 8px; padding: 0 4px 0 12px; color: var(--am-tinta-3); }
.am-buscador-caja input {
  flex: 1;
  min-width: 0;
  height: 46px;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--am-tinta);
  font: 16px var(--am-sans);
}
.am-buscador-caja input::placeholder { color: var(--am-tinta-3); }
#arbolView .am-buscador-caja input:focus-visible { outline: none; }
.am-buscador:focus-within { border-color: rgba(169, 191, 160, 0.55); }
.am-buscador-caja input::-webkit-search-cancel-button { -webkit-appearance: none; appearance: none; }
.am-resultados { list-style: none; margin: 0; padding: 4px 0 0; max-height: min(62vh, 440px); overflow-y: auto; border-top: 1px solid rgba(238, 240, 230, 0.07); }
.am-resultado { display: flex; gap: 12px; padding: 10px 12px; border-radius: 12px; cursor: pointer; }
.am-resultado:hover, .am-resultado.activo { background: rgba(238, 240, 230, 0.07); }
.am-resultado-tipo { flex: none; width: 84px; padding-top: 3px; font-family: var(--am-mono); font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--am-sage); }
.am-resultado-txt { min-width: 0; }
.am-resultado-txt strong { display: block; font-weight: 500; font-size: 15px; line-height: 1.35; color: var(--am-tinta); }
.am-resultado-txt small { display: block; font-size: 12.5px; color: var(--am-tinta-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.am-resultado-vacio { padding: 14px 12px; font-size: 14px; color: var(--am-tinta-3); }

/* ── Experiencias (ListaExperiencias) ── */
.am-lista-exp { max-width: 720px; margin: 0 auto; }
.am-exp-cab { margin: 4px 0 8px; }
.am-exp-cab .am-titulo-serif { font-size: 30px; }
.am-exp-grupo { margin: 22px 0 8px; font-family: var(--am-mono); font-size: 11px; letter-spacing: 0.08em; color: var(--am-tinta-3); }
.am-exp {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 14px 10px 16px;
  margin-bottom: 10px;
  border-radius: 18px;
  background: rgba(181, 90, 31, 0.1);
  border: 1px solid rgba(181, 90, 31, 0.45);
  transition: border-color 200ms, background-color 200ms;
}
.am-exp:hover { border-color: rgba(227, 154, 104, 0.8); background: rgba(181, 90, 31, 0.14); }
.am-exp-txt { flex: 1; min-width: 0; }
.am-exp h3 { margin: 4px 0 2px; font-size: 19px; font-weight: 600; color: var(--am-tinta); }
.am-exp p { margin: 0; font-size: 15px; line-height: 1.5; color: rgba(238, 240, 230, 0.68); }
#arbolView .am-exp .am-enlace { font-size: 13.5px; padding: 6px 0; min-height: 40px; color: var(--am-terra-claro); }
#arbolView .am-exp-jugar {
  width: 56px;
  height: 56px;
  flex: none;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--am-terra);
  color: #fff;
  box-shadow: 0 6px 20px rgba(181, 90, 31, 0.35);
  transition: transform 160ms var(--am-ease);
}
#arbolView .am-exp-jugar:hover { transform: scale(1.06); }
#arbolView .am-exp-jugar:active { transform: scale(0.96); }

/* ── Métricas dentro de la vista inmersiva ── */
.am-normal #arbolContenedorNormal { max-width: 760px; margin: 0 auto; display: block !important; }

/* ── Lección generada desde la ficha ── */
.am-leccion {
  position: absolute;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: calc(16px + env(safe-area-inset-top, 0px)) 16px calc(16px + env(safe-area-inset-bottom, 0px));
  background: rgba(8, 11, 8, 0.84);
  backdrop-filter: blur(6px);
  animation: am-fundido 220ms ease-out;
}
.am-leccion-caja {
  width: min(660px, 100%);
  max-height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--am-panel);
  border: 1px solid rgba(238, 240, 230, 0.14);
  border-radius: 24px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
  overflow: hidden;
}
.am-leccion-cab { display: flex; align-items: center; gap: 12px; padding: 8px 8px 0 20px; }
.am-leccion-cab-completa {
  display: flex;
  flex-direction: column;
  background: rgba(18, 24, 20, 0.95);
  border-bottom: 1px solid rgba(238, 240, 230, 0.08);
}
.am-leccion-cab-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px 10px 18px;
}
.am-leccion-macro-ruta {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
  font-family: var(--am-mono);
  font-size: 11.5px;
}
.am-leccion-macro-ruta::-webkit-scrollbar { display: none; }
.am-ruta-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  color: var(--am-tinta-2);
  padding: 3px 8px;
  font-size: 11px;
  cursor: pointer;
  transition: all 160ms ease;
}
.am-ruta-item:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
}
.am-ruta-arbol {
  color: var(--acento);
  border-color: var(--acento);
}
.am-ruta-sep {
  color: var(--am-tinta-3);
  font-size: 12px;
  opacity: 0.5;
}
.am-ruta-badge {
  display: inline-flex;
  align-items: center;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 7px;
  border-radius: 4px;
}
.am-btn-cerrar-leccion {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--am-tinta-2);
  cursor: pointer;
  transition: all 150ms ease;
}
.am-btn-cerrar-leccion:hover {
  background: rgba(255, 80, 80, 0.2);
  color: #ff9999;
  border-color: rgba(255, 80, 80, 0.4);
}
.am-leccion-pasos-strip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px 12px;
  overflow-x: auto;
  scrollbar-width: none;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}
.am-leccion-pasos-strip::-webkit-scrollbar { display: none; }
.am-paso-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--am-tinta-3);
  font-size: 11px;
  font-family: var(--am-mono);
  cursor: pointer;
  white-space: nowrap;
  transition: all 160ms ease;
}
.am-paso-chip:hover {
  background: rgba(255, 255, 255, 0.09);
  color: var(--am-tinta-1);
}
.am-paso-chip.activo {
  background: var(--acento);
  border-color: var(--acento);
  color: #080C0E;
  font-weight: 700;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.2);
}
.am-paso-chip.hecho {
  border-color: rgba(120, 200, 140, 0.35);
  color: #8be0a4;
  background: rgba(80, 160, 100, 0.1);
}
.am-paso-num {
  font-size: 10px;
  opacity: 0.8;
}
.am-paso-nom {
  font-size: 11px;
}
.am-leccion-pos-indicador {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
  font-family: var(--am-mono);
}
.am-diapo-badge {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.8px;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--acento);
}
.am-diapo-seccion {
  font-size: 11px;
  color: var(--am-tinta-3);
}
.am-pie-orden-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  text-align: center;
}
.am-pie-subtema-tag {
  font-size: 11px;
  color: var(--am-tinta-3);
  max-width: 280px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.am-leccion-puntos { flex: 1; display: flex; gap: 4px; }
.am-leccion-puntos span { flex: 1; height: 3px; border-radius: 3px; background: rgba(238, 240, 230, 0.14); transition: background-color 300ms; }
.am-leccion-puntos span.hecho, .am-leccion-puntos span.ahora { background: var(--acento); }
.am-leccion-puntos span.ahora { box-shadow: 0 0 8px var(--acento); }
.am-leccion-carta { position: relative; padding: 24px 28px 28px; min-height: 280px; overflow-y: auto; }
.am-leccion-carta .am-titulo-serif { font-size: 32px; margin: 8px 0 14px; }
.am-leccion-carta .am-titulo { font-size: 22px; margin: 8px 0 14px; }
.am-leccion-carta .am-texto { font-size: 18px; line-height: 1.6; }
.am-leccion-carta.cierre { background: radial-gradient(120% 90% at 50% 0%, rgba(169, 191, 160, 0.1), transparent 60%); }
.am-leccion-num { font-family: var(--am-mono); font-size: 56px; line-height: 1; color: var(--acento); opacity: 0.85; }
.am-leccion-pie { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px 16px; border-top: 1px solid rgba(238, 240, 230, 0.07); }
.am-leccion-cuenta { font-family: var(--am-mono); font-size: 12px; color: var(--am-tinta-3); }

/* Escenario de Pila 3D: Enfrente y Detrás de las Páginas */
.am-leccion-escenario-3d {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  perspective: 1200px;
  overflow: visible;
}

/* Silueta de página que asoma DETRÁS (Anterior o Siguiente) */
.am-pagina-peek {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed rgba(255, 255, 255, 0.1);
  color: var(--am-tinta-3);
  font-family: var(--am-mono);
  font-size: 11px;
  cursor: pointer;
  transition: all 180ms ease;
  user-select: none;
}
.am-pagina-peek:hover {
  background: rgba(255, 255, 255, 0.07);
  color: var(--am-tinta-1);
  border-color: rgba(255, 255, 255, 0.22);
}
.am-pagina-peek.anterior {
  border-radius: 12px 12px 0 0;
  margin: 0 16px -2px 16px;
  transform: scale(0.97) translateY(2px);
  opacity: 0.75;
}
.am-pagina-peek.siguiente {
  border-radius: 0 0 12px 12px;
  margin: -2px 16px 0 16px;
  transform: scale(0.97) translateY(-2px);
  opacity: 0.75;
}

/* Contenedor 3D Flip de la Tarjeta (Enfrente y Detrás) */
.am-flip-card {
  position: relative;
  width: 100%;
  transform-style: preserve-3d;
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.am-flip-card.volteada {
  transform: rotateY(180deg);
}
.am-flip-cara {
  width: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.am-flip-cara.enfrente {
  position: relative;
  z-index: 2;
}
.am-flip-cara.detras {
  position: absolute;
  inset: 0;
  transform: rotateY(180deg);
  background: #0D1410;
  border-radius: 16px;
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  z-index: 1;
}

/* Botón flotante para alternar entre Enfrente y Detrás */
.am-btn-voltear {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--am-tinta-2);
  font-family: var(--am-mono);
  font-size: 11px;
  cursor: pointer;
  transition: all 160ms ease;
}
.am-btn-voltear:hover {
  background: var(--acento);
  color: #080C0E;
  border-color: var(--acento);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

@media (max-width: 380px) {
  #arbolView .am-pestana { font-size: 12.5px; }
  .am-titulo-serif { font-size: 23px; }
  #arbolView .am-chip { max-width: 124px; padding: 0 10px; }
}

@media (prefers-reduced-motion: reduce) {
  #arbolView *, #arbolView *::before, #arbolView *::after { animation: none !important; transition: none !important; }
}

/* ============================================================
   HUMANIDAD POR ERAS (js/sinapsis-arbol-humanidad.js)
   Pantalla completa sobre el árbol; la lección (z 50) queda encima.
   ============================================================ */
.am-lienzo.am-sobre-parte { cursor: pointer; }
#arbolView .am-chip-humanidad {
  color: var(--am-terra-claro);
  border-color: rgba(227, 154, 104, 0.55);
  font: 600 13px/1 var(--am-sans);
  white-space: nowrap;
}
#arbolView .am-chip-humanidad:hover { background: rgba(181, 90, 31, 0.22); }

#arbolView .ah {
  position: absolute;
  inset: 0;
  z-index: 45;
  background: var(--am-cielo);
  color: var(--am-tinta);
  font-family: var(--am-sans);
  animation: ah-entrar 0.42s var(--am-ease);
}
@keyframes ah-entrar { from { opacity: 0; transform: scale(1.03); } to { opacity: 1; transform: none; } }
#arbolView .ah-lienzo { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; cursor: grab; outline: none; }
#arbolView .ah-barra {
  position: absolute;
  top: calc(8px + env(safe-area-inset-top, 0px));
  left: max(12px, env(safe-area-inset-left, 0px));
  right: max(12px, env(safe-area-inset-right, 0px));
  display: flex;
  align-items: center;
  gap: 12px;
  pointer-events: none;
}
#arbolView .ah-barra > * { pointer-events: auto; }
#arbolView .ah-btn {
  height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 14px 0 10px;
  border-radius: 999px;
  background: rgba(21, 27, 19, 0.92);
  border: 1px solid var(--am-linea);
  color: var(--am-tinta);
  font: 600 14px/1 var(--am-sans);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
#arbolView .ah-btn:hover { border-color: rgba(227, 154, 104, 0.6); }
#arbolView .ah-btn:focus-visible { outline: 2px solid var(--am-terra-claro); outline-offset: 2px; }
#arbolView .ah-redondo { padding: 0; margin-left: auto; }
#arbolView .ah-titulo { display: flex; flex-direction: column; line-height: 1.1; text-shadow: 0 1px 8px rgba(0, 0, 0, 0.6); pointer-events: none; }
#arbolView .ah-ceja { font: 500 11px/1.2 var(--am-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--am-tinta-3); }
#arbolView .ah-titulo h2 { margin: 0; font: 600 24px/1.1 var(--am-serif); color: var(--am-terra-claro); }

#arbolView .ah-riel {
  position: absolute;
  left: 50%;
  bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
  display: flex;
  align-items: stretch;
  gap: 4px;
  padding: 6px;
  border-radius: 16px;
  background: rgba(21, 27, 19, 0.92);
  border: 1px solid var(--am-linea);
  max-width: calc(100% - 24px);
  overflow-x: auto;
  scrollbar-width: none;
}
#arbolView .ah-riel::-webkit-scrollbar { display: none; }
#arbolView .ah-riel-grupo { display: flex; align-items: center; gap: 2px; }
#arbolView .ah-riel-grupo + .ah-riel-grupo { border-left: 1px solid rgba(242, 196, 107, 0.45); padding-left: 6px; margin-left: 2px; }
#arbolView .ah-riel-etapa { font: 500 10px/1 var(--am-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--am-tinta-3); padding: 0 6px 0 4px; writing-mode: vertical-rl; transform: rotate(180deg); }
#arbolView .ah-riel-item {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  padding: 0 12px 0 10px;
  border: 0;
  border-radius: 11px;
  background: transparent;
  color: var(--am-tinta-2);
  font: 500 13px/1.1 var(--am-sans);
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
#arbolView .ah-riel-item:hover { background: rgba(238, 240, 230, 0.06); color: var(--am-tinta); }
#arbolView .ah-riel-item.aqui { background: rgba(238, 240, 230, 0.11); color: var(--am-tinta); box-shadow: inset 0 -2px 0 var(--era); }
#arbolView .ah-riel-item:focus-visible { outline: 2px solid var(--era); outline-offset: 1px; }
#arbolView .ah-riel-punto { width: 10px; height: 10px; border-radius: 50%; background: var(--era); flex: none; }

#arbolView .ah-leyenda {
  position: absolute;
  top: calc(14px + env(safe-area-inset-top, 0px));
  right: 72px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  padding: 9px 12px;
  border-radius: 12px;
  background: rgba(21, 27, 19, 0.82);
  border: 1px solid var(--am-linea);
  font: 500 11px/1 var(--am-sans);
  color: var(--am-tinta-2);
  pointer-events: none;
}
#arbolView .ah-leyenda span { display: inline-flex; align-items: center; gap: 6px; }
#arbolView .ah-leyenda i { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
@media (max-width: 1099px) { #arbolView .ah-leyenda { display: none; } }
#arbolView .ah-l-hoja { background: #C9D8E8; }
#arbolView .ah-l-saber { background: #B9C4AE; }
#arbolView .ah-l-lic { background: #C9D8B8; }
#arbolView .ah-l-ing { background: #8FB8D8; border-radius: 2px !important; }
#arbolView .ah-l-app { background: #F2C46B; width: 11px !important; height: 11px !important; }

#arbolView .ah-tarjeta {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  max-height: 44%;
  overflow-y: auto;
  padding: 18px 18px calc(18px + env(safe-area-inset-bottom, 0px));
  background: rgba(21, 27, 19, 0.97);
  border-top: 1px solid var(--am-linea);
  border-radius: 20px 20px 0 0;
  box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.45);
  animation: ah-subir 0.28s var(--am-ease);
}
@keyframes ah-subir { from { transform: translateY(24px); opacity: 0; } to { transform: none; opacity: 1; } }
@media (min-width: 960px) {
  #arbolView .ah-tarjeta {
    left: auto;
    top: 64px;
    right: 12px;
    bottom: 12px;
    width: 356px;
    max-height: none;
    border: 1px solid var(--am-linea);
    border-radius: 18px;
  }
  #arbolView .ah-tarjeta:not([hidden]) ~ .ah-anuncio { display: none; }
  #arbolView .ah:has(.ah-tarjeta:not([hidden])) .ah-riel { left: calc(50% - 184px); max-width: calc(100% - 404px); }
  #arbolView .ah:has(.ah-tarjeta:not([hidden])) .ah-leyenda { display: none; }
}
#arbolView .ah-t-cerrar {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--am-linea);
  background: transparent;
  color: var(--am-tinta-2);
  font-size: 20px;
  cursor: pointer;
}
#arbolView .ah-t-ceja { margin: 0 44px 6px 0; font: 600 11px/1.3 var(--am-mono); letter-spacing: 0.06em; text-transform: uppercase; }
#arbolView .ah-t-titulo { margin: 0 44px 10px 0; font: 600 22px/1.2 var(--am-serif); color: var(--am-tinta); }
#arbolView .ah-t-relato { margin: 0 0 12px; font: 400 15px/1.6 var(--am-sans); color: var(--am-tinta-2); }
#arbolView .ah-t-nota { margin: 0 0 8px; font: 400 14px/1.55 var(--am-sans); color: var(--am-tinta-2); }
#arbolView .ah-t-nota b { color: var(--am-tinta); }
#arbolView .ah-t-cuenta { font: 500 12px/1.4 var(--am-mono); color: var(--am-sage); margin: 12px 0 8px; }
#arbolView .ah-tarjeta h4 { margin: 16px 0 8px; font: 600 11px/1.2 var(--am-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--am-tinta-3); }
#arbolView .ah-lista { list-style: none; margin: 0; padding: 0; }
#arbolView .ah-chips { display: flex; flex-wrap: wrap; gap: 6px; }
#arbolView .ah-chips li { padding: 6px 10px; border-radius: 999px; border: 1px solid var(--am-linea); font: 500 13px/1.25 var(--am-sans); color: #B9C4AE; }
#arbolView .ah-chips li.ah-lic { color: #C9D8B8; border-color: rgba(201, 216, 184, 0.35); }
#arbolView .ah-chips li.ah-ing { color: #8FB8D8; border-color: rgba(143, 184, 216, 0.4); border-radius: 6px; }
#arbolView .ah-chips li.ah-app { color: #F2C46B; border-color: rgba(242, 196, 107, 0.4); }
#arbolView .ah-lecciones button, #arbolView .ah-hitos button {
  width: 100%;
  display: grid;
  grid-template-columns: 10px 1fr;
  gap: 2px 10px;
  align-items: center;
  min-height: 44px;
  padding: 6px 8px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--am-tinta);
  font: 500 14px/1.3 var(--am-sans);
  text-align: left;
  cursor: pointer;
}
#arbolView .ah-lecciones button:hover, #arbolView .ah-hitos button:hover { background: rgba(238, 240, 230, 0.06); }
#arbolView .ah-lecciones i { width: 9px; height: 9px; border-radius: 50%; }
#arbolView .ah-lecciones small { grid-column: 2; font: 400 12px/1.2 var(--am-sans); color: var(--am-tinta-3); }
#arbolView .ah-hitos button { grid-template-columns: 1fr; }
#arbolView .ah-hitos small { font: 500 11px/1.2 var(--am-mono); color: var(--am-sage); }
#arbolView .ah-cta {
  height: 48px;
  padding: 0 20px;
  border: 0;
  border-radius: 999px;
  background: var(--am-terra);
  color: #fff;
  font: 600 15px/1 var(--am-sans);
  cursor: pointer;
}
#arbolView .ah-enlace { border: 0; padding: 0; background: none; color: var(--am-terra-claro); font: inherit; text-decoration: underline; cursor: pointer; }
#arbolView .ah-anuncio { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
@media (max-width: 640px) {
  #arbolView .ah-riel { left: 12px; right: 12px; transform: none; max-width: none; }
  #arbolView .ah-riel-etapa { display: none; }
  #arbolView .ah-riel-item { padding: 0 10px 0 8px; font-size: 12px; }
  #arbolView .ah:has(.ah-tarjeta:not([hidden])) .ah-riel { display: none; }
}

#arbolView .ah-aviso {
  position: absolute;
  left: 50%;
  top: 72px;
  transform: translate(-50%, -8px);
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(21, 27, 19, 0.95);
  border: 1px solid rgba(227, 154, 104, 0.5);
  color: var(--am-tinta);
  font: 500 13px/1.3 var(--am-sans);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s var(--am-ease);
}
#arbolView .ah-aviso.visible { opacity: 1; transform: translate(-50%, 0); }

/* ============================================================
   ACERCAMIENTOS (js/sinapsis-arbol-acercar.js): clasificaciones dentro de
   clasificaciones; cada nivel a lo más 8 ramas, letra fija, legible en el celular.
   ============================================================ */
#arbolView .ac {
  position: absolute;
  inset: 0;
  z-index: 44;
  display: flex;
  flex-direction: column;
  background: radial-gradient(120% 70% at 50% 100%, #1d2a1b 0%, var(--am-cielo) 70%);
  color: var(--am-tinta);
  font-family: var(--am-sans);
}
#arbolView .ac-barra {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: calc(8px + env(safe-area-inset-top, 0px)) max(10px, env(safe-area-inset-right, 0px)) 6px max(10px, env(safe-area-inset-left, 0px));
}
#arbolView .ac-btn {
  height: 44px;
  min-width: 44px;
  flex: none;
  display: inline-grid;
  place-items: center;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--am-linea);
  background: rgba(21, 27, 19, 0.92);
  color: var(--am-tinta);
  font: 600 14px/1 var(--am-sans);
  cursor: pointer;
}
#arbolView .ac-btn:focus-visible, #arbolView .ac-rama:focus-visible, #arbolView .ac-miga:focus-visible { outline: 2px solid var(--am-terra-claro); outline-offset: 2px; }
#arbolView .ac-migas {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
  white-space: nowrap;
}
#arbolView .ac-migas::-webkit-scrollbar { display: none; }
#arbolView .ac-miga {
  flex: none;
  height: 36px;
  padding: 0 10px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--am-tinta-2);
  font: 500 13px/1 var(--am-sans);
  cursor: pointer;
}
#arbolView .ac-miga.aqui { color: var(--c); font-weight: 700; background: rgba(238, 240, 230, 0.06); }
#arbolView .ac-sep { color: var(--am-tinta-3); font-size: 13px; }

#arbolView .ac-escena { position: relative; flex: 1; min-height: 0; overflow: hidden; }
#arbolView .ac-nivel {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: 4px max(12px, env(safe-area-inset-right, 0px)) calc(12px + env(safe-area-inset-bottom, 0px)) max(12px, env(safe-area-inset-left, 0px));
  will-change: transform, opacity;
}
#arbolView .ac-cabeza { max-width: 760px; width: 100%; margin: 0 auto 8px; }
#arbolView .ac-ceja { margin: 0 0 4px; font: 600 12px/1.3 var(--am-mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--c, var(--am-sage)); }
#arbolView .ac-titulo { margin: 0; font: 600 clamp(24px, 3vw + 14px, 40px)/1.1 var(--am-serif); color: var(--am-tinta); }
#arbolView .ac-relato {
  margin: 6px 0 0;
  font: 400 15px/1.5 var(--am-sans);
  color: var(--am-tinta-2);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
#arbolView .ac-copa {
  position: relative;
  flex: 1;
  min-height: 0;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 36px 1fr;
  grid-auto-rows: minmax(64px, 1fr);
  align-items: center;
  gap: 10px 0;
  padding-bottom: 40px;
}
#arbolView .ac-ramas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; }
#arbolView .ac-tronco {
  position: absolute;
  left: calc(50% - 6px);
  width: 12px;
  bottom: 0;
  top: 0;
  border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, #9A8262, #6b5638);
  pointer-events: none;
}
#arbolView .ac-nudo {
  position: absolute;
  left: calc(50% - 16px);
  bottom: 6px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--c);
  box-shadow: 0 0 0 5px var(--am-cielo), 0 0 24px color-mix(in srgb, var(--c) 60%, transparent);
  pointer-events: none;
}
#arbolView .ac-rama {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-height: 64px;
  padding: 10px 12px;
  border: 1px solid rgba(238, 240, 230, 0.1);
  border-left: 4px solid var(--c);
  border-radius: 16px;
  background: rgba(21, 27, 19, 0.94);
  color: var(--am-tinta);
  text-align: left;
  cursor: pointer;
  transition: transform 0.15s, background 0.2s, border-color 0.2s;
  animation: ac-brota 0.42s cubic-bezier(0.2, 0.8, 0.2, 1) both;
  animation-delay: calc(var(--i) * 45ms + 90ms);
}
#arbolView .ac-rama.ac-der { border-left: 1px solid rgba(238, 240, 230, 0.1); border-right: 4px solid var(--c); }
#arbolView .ac-rama:hover { background: rgba(33, 42, 30, 0.96); }
#arbolView .ac-rama:active { transform: scale(0.97); }
#arbolView .ac-rama-sub { font: 500 11.5px/1.25 var(--am-mono); color: var(--c); letter-spacing: 0.02em; }
#arbolView .ac-rama-titulo {
  font: 600 15.5px/1.25 var(--am-sans);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
#arbolView .ac-rama-cuenta { font: 500 12px/1.2 var(--am-sans); color: var(--am-tinta-3); }
@keyframes ac-brota { from { opacity: 0; transform: translateY(18px) scale(0.86); } to { opacity: 1; transform: none; } }
#arbolView .ac-entra-adentro { animation: ac-entra-adentro 0.42s cubic-bezier(0.2, 0.8, 0.2, 1); }
#arbolView .ac-sale-adentro { animation: ac-sale-adentro 0.42s ease-in forwards; pointer-events: none; }
#arbolView .ac-entra-afuera { animation: ac-entra-afuera 0.42s cubic-bezier(0.2, 0.8, 0.2, 1); }
#arbolView .ac-sale-afuera { animation: ac-sale-afuera 0.42s ease-in forwards; pointer-events: none; }
@keyframes ac-entra-adentro { from { opacity: 0; transform: scale(0.55); } to { opacity: 1; transform: none; } }
@keyframes ac-sale-adentro { to { opacity: 0; transform: scale(1.7); } }
@keyframes ac-entra-afuera { from { opacity: 0; transform: scale(1.5); } to { opacity: 1; transform: none; } }
@keyframes ac-sale-afuera { to { opacity: 0; transform: scale(0.6); } }
@media (min-width: 900px) {
  #arbolView .ac-copa { grid-template-columns: 1fr 60px 1fr; gap: 14px 0; }
  #arbolView .ac-rama-titulo { font-size: 17px; }
  #arbolView .ac-rama { padding: 12px 16px; }
}
#arbolView .ac-hoja {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  max-height: 55%;
  overflow-y: auto;
  padding: 20px 18px calc(18px + env(safe-area-inset-bottom, 0px));
  background: var(--am-panel);
  border-top: 1px solid var(--am-linea);
  border-radius: 20px 20px 0 0;
  box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.5);
  animation: ah-subir 0.28s var(--am-ease);
}
@media (min-width: 900px) { #arbolView .ac-hoja { left: auto; right: 16px; bottom: 16px; width: 380px; border-radius: 18px; border: 1px solid var(--am-linea); } }
#arbolView .ac-hoja-titulo { margin: 0 40px 10px 0; font: 600 22px/1.2 var(--am-serif); }
#arbolView .ac-hoja-cerrar { position: absolute; top: 10px; right: 10px; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--am-linea); background: transparent; color: var(--am-tinta-2); font-size: 20px; cursor: pointer; }
#arbolView .ac-cta { margin-top: 12px; height: 48px; padding: 0 20px; border: 0; border-radius: 999px; background: var(--am-terra); color: #fff; font: 600 15px/1 var(--am-sans); cursor: pointer; }
#arbolView .ac-anuncio { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
@media (prefers-reduced-motion: reduce) { #arbolView .ac *, #arbolView .ac { animation: none !important; } }

/* Bienvenida: las 4 partes del árbol como entrada principal. */
#arbolView .am-partes { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 4px; }
#arbolView .am-parte-btn { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; min-height: 56px; padding: 10px 12px; border-radius: 12px; border: 1px solid color-mix(in srgb, var(--c) 55%, transparent); background: color-mix(in srgb, var(--c) 10%, transparent); color: var(--am-tinta, #E9EEE2); cursor: pointer; text-align: left; transition: background-color 180ms ease, border-color 180ms ease; }
#arbolView .am-parte-btn b { font: 600 15px/1.2 var(--am-sans); color: var(--c); }
#arbolView .am-parte-btn small { font: 400 12px/1.25 var(--am-sans); opacity: 0.75; }
#arbolView .am-parte-btn:hover, #arbolView .am-parte-btn:focus-visible { background: color-mix(in srgb, var(--c) 20%, transparent); border-color: var(--c); }
#arbolView .am-parte-btn:focus-visible { outline: 2px solid var(--c); outline-offset: 2px; }