/* ---------- layout shell ---------- */
/* 272px de sidebar anclado a la izquierda + área de lectura central con ancho ergonómico */
.shell{display:grid;grid-template-columns:272px minmax(0,1fr);width:100%;min-height:100vh;}

/* ---------- scrollbar custom ---------- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: color-mix(in srgb, var(--ink) 22%, transparent); border-radius: var(--r-pill); border: 2px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: color-mix(in srgb, var(--ink) 45%, transparent); background-clip: content-box; }

/* ---------- rail / sidebar ---------- */
.rail{border-right:1px solid var(--line);padding:20px 14px 60px;
  position:sticky;top:0;height:100vh;overflow-y:auto;background:var(--bg);}
.brand{display:flex;align-items:center;gap:12px;padding:2px 4px 16px;margin-bottom:12px;
  border-bottom:1px solid var(--line);text-decoration:none;transition:opacity .15s;}
.brand:hover{opacity:.9;}
.brand .sticker{flex:none;width:42px;height:42px;border-radius:var(--r-md);background:var(--surface);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease;}
.brand:hover .sticker{transform:translateY(-1px);box-shadow:var(--shadow-2);}
.brand .mk{width:34px;height:34px;object-fit:contain;display:block;}
.brand .word{font-family:var(--sans);font-weight:700;font-size:15px;
  line-height:1.2;color:var(--tangelo);letter-spacing:-.01em;}
.brand .word em{display:block;font-family:var(--display);font-style:normal;font-weight:600;font-size:14px;color:var(--ink);letter-spacing:0;}
.rail h4{font-size:11px;text-transform:uppercase;letter-spacing:.08em;
  color:var(--faint);margin:16px 0 6px;font-weight:700;padding-left:8px;}
.nav a{display:flex;align-items:center;gap:9px;padding:7px 10px;border-radius:var(--r-xs);
  color:var(--muted);text-decoration:none;font-size:var(--fs-meta);
  transition:background .14s,color .14s;border-left:3px solid transparent;}
.nav a:hover{background:var(--surface-2);color:var(--ink);}
.nav a.on{background:var(--accent-soft);color:var(--accent-ink);font-weight:600;
  border-left-color:var(--accent);border-top-left-radius:0;border-bottom-left-radius:0;}
.dot{width:7px;height:7px;border-radius:50%;flex:none;}
.nav .sub{padding-left:24px;font-size:13px;border-left:3px solid transparent;}
.nav .sub.on{background:var(--accent-soft);color:var(--accent-ink);font-weight:600;
  border-left-color:var(--accent);border-top-left-radius:0;border-bottom-left-radius:0;}
.toc-divider{border:none;border-top:1px solid var(--line);margin:14px 9px 0;}
/* Etiqueta de sección del rail: éste es el elemento que debe ser tenue y chico.
   Antes ese rol lo cumplían los nombres de módulo, que son el destino real de
   navegación — por eso el rail se leía plano. */
/* gana por especificidad a `.rail h4`, que estiliza los sub-rótulos de cada módulo */
.rail h4.rail-sec{font-size:11px;text-transform:uppercase;letter-spacing:.08em;
  color:var(--muted);font-weight:700;margin:18px 0 6px;padding:8px 8px 4px;
  border-top:1px solid var(--line);}
.rail h4.rail-sec:first-of-type{margin-top:12px;border-top:none;}

.rail-group{margin-top:2px;}
.rail-summary{list-style:none;cursor:pointer;user-select:none;
  display:flex;align-items:center;gap:8px;padding:7px 8px;border-radius:var(--r-xs);
  font-size:var(--fs-meta);color:var(--muted);font-weight:500;
  transition:background .14s,color .14s;}
.rail-summary::-webkit-details-marker{display:none;}
.rail-summary:hover{background:var(--surface-2);color:var(--ink);}
.rail-group[open] > .rail-summary{color:var(--ink);font-weight:600;}
.rail-summary .dot{width:7px;height:7px;border-radius:50%;flex:none;}
/* cantidad de fichas: pastilla alineada */
.rail-summary .rc{margin-left:auto;font-family:var(--mono);font-size:11px;
  color:var(--muted);background:var(--surface-2);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:1px 6px;font-weight:600;line-height:1.2;}
.rail-summary .chev{width:6px;height:6px;flex:none;margin-left:7px;
  border-right:1.6px solid var(--muted);border-bottom:1.6px solid var(--muted);
  transform:rotate(45deg);transition:transform .18s;}
/* si el contador está presente, él empuja a la derecha y el chevron lo sigue */
.rail-summary .rc + .chev{margin-left:7px;}

/* enlace a otra página del sitio (Cirugía), no a una vista de esta SPA */
.rail-ext{font-size:var(--fs-meta);font-weight:500;}
.rail-ext .ext{margin-left:auto;color:var(--faint);font-size:11px;}
.rail-group[open] .rail-summary .chev{transform:rotate(-135deg);}

/* ---------- views container ---------- */
.views{overflow-y:auto;height:100vh;}
/* la columna de lectura se centra en el área de contenido con respiro generoso */
.view{display:none;padding:28px clamp(18px,3vw,44px) 80px;max-width:1200px;margin:0 auto;}
.view.active{display:block;}
.view[data-view="home"]{max-width:1240px;margin:0 auto;}

/* ---------- layout de ficha clínica con índice flotante (TOC) ---------- */
.ficha-layout{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:48px;align-items:start;}
.ficha-content{min-width:0;max-width:880px;}

.ficha-toc{position:sticky;top:80px;max-height:calc(100vh - 120px);overflow-y:auto;
  padding:4px 0 16px 16px;border-left:1px solid var(--line);font-size:12.5px;}
.ficha-toc-title{font-size:11px;text-transform:uppercase;letter-spacing:.08em;
  font-weight:700;color:var(--faint);margin-bottom:12px;padding-left:4px;}
.ficha-toc-nav{display:flex;flex-direction:column;gap:3px;}
.toc-item{display:flex;align-items:baseline;text-align:left;background:none;border:none;
  padding:6px 8px;border-radius:var(--r-xs);color:var(--muted);font-family:var(--sans);
  font-size:12.5px;line-height:1.4;cursor:pointer;transition:background .12s,color .12s;
  border-left:2.5px solid transparent;width:100%;}
.toc-item:hover{background:var(--surface-2);color:var(--ink);}
.toc-num{font-family:var(--mono);font-size:12px;font-weight:600;color:var(--accent);
  margin-right:8px;flex:none;opacity:.95;}
.toc-txt{flex:1;min-width:0;}
.toc-item.is-active{color:var(--accent-ink);background:var(--accent-soft);font-weight:600;
  border-left-color:var(--accent);border-top-left-radius:0;border-bottom-left-radius:0;}
.toc-item.is-active .toc-num{color:var(--accent-ink);}

@media(max-width:1180px){
  .ficha-layout{display:block;}
  .ficha-content{max-width:960px;margin:0 auto;}
  .ficha-toc{display:none;}
}

/* ---------- barra de app (única, sticky) ---------- */
/* Salto al contenido. Es lo primero que recibe el foco al tabular y evita las
   148 paradas del cajon antes de llegar a la ficha. NO usa href a un id: eso
   colisionaria con el ruteo por hash. El salto lo hace el JS sobre .view.active. */
.skip-link{position:fixed;top:8px;left:8px;z-index:1200;
  transform:translateY(-200%);opacity:0;pointer-events:none;
  background:var(--surface);color:var(--accent-ink);
  border:1px solid var(--accent-ink);border-radius:var(--r-xs);
  padding:9px 15px;font-family:var(--sans);font-size:var(--fs-meta);
  font-weight:600;text-decoration:none;box-shadow:var(--shadow-3);}
.skip-link:focus-visible{transform:translateY(0);opacity:1;pointer-events:auto;}

.appbar{position:sticky;top:0;z-index:900;
  display:flex;align-items:center;gap:12px;
  padding:11px clamp(20px,3.5vw,44px);margin-bottom:14px;
  background:color-mix(in srgb,var(--bg) 85%,transparent);
  backdrop-filter:saturate(1.4) blur(12px);
  -webkit-backdrop-filter:saturate(1.4) blur(12px);
  transform:translateZ(0);will-change:transform;
  border-bottom:1px solid var(--line);}
.reading-progress{position:absolute;left:0;bottom:-1px;height:2.5px;width:0%;
  background:linear-gradient(90deg,var(--accent),var(--accent-ink));
  transition:width .08s linear;pointer-events:none;z-index:910;}
.toggle{background:var(--surface);border:1px solid var(--line);
  color:var(--muted);border-radius:var(--r-pill);padding:6px 14px;font-size:var(--fs-tag);
  font-weight:600;box-shadow:var(--shadow-1);
  cursor:pointer;font-family:var(--sans);transition:background .15s,color .15s,border-color .15s,box-shadow .15s;}
.toggle:hover{background:var(--surface-2);color:var(--ink);border-color:var(--line-strong);box-shadow:var(--shadow-2);}
/* Compatibilidad: cirugia.html comparte esta hoja y todavía usa .topbar por vista
   (index.html ya migró a la barra de app única). Sin esto, sus 11 barras pierden
   la alineación y el botón de tema se va a la izquierda. */
.topbar{display:flex;justify-content:flex-end;margin-bottom:28px;}
.ab-theme{margin-left:auto;flex:none;}
.ab-presenter{flex:none;display:inline-flex;align-items:center;gap:6px;}
.ab-presenter.is-active{background:var(--accent-ink);color:var(--surface);border-color:var(--accent-ink);box-shadow:var(--shadow-2);}
.appbar .ab-presenter{margin-left:auto;}
.appbar .ab-presenter + .ab-theme{margin-left:0;}

/* hamburguesa — sólo en móvil */
.ab-burger{display:none;flex:none;width:34px;height:34px;padding:8px 7px;
  flex-direction:column;justify-content:space-between;
  background:none;border:1px solid var(--line);border-radius:var(--r-sm);cursor:pointer;}
.ab-burger span{display:block;height:2px;width:100%;border-radius:2px;
  background:var(--muted);transition:transform .22s,opacity .18s;}
body.nav-open .ab-burger span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.nav-open .ab-burger span:nth-child(2){opacity:0;}
body.nav-open .ab-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* marca — sólo en móvil (en escritorio ya está en el rail) */
.ab-brand{display:none;font-family:'Fredoka',var(--sans);font-weight:600;
  font-size:var(--fs-card);color:var(--tangelo);text-decoration:none;line-height:1.1;}
.ab-brand em{font-family:var(--serif);font-style:normal;color:var(--ink);}

/* disparador del buscador — parece un input, es un botón */
.ab-search{display:flex;align-items:center;gap:10px;
  flex:1 1 auto;max-width:340px;min-width:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:7px 16px 7px 14px;cursor:pointer;font-family:var(--sans);font-size:13.5px;
  color:var(--muted);text-align:left;box-shadow:var(--shadow-1);
  transition:border-color .15s,box-shadow .15s,background .15s;}
.ab-search:hover{border-color:var(--line-strong);background:var(--surface-2);box-shadow:var(--shadow-2);}
.ab-search:focus-visible{outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent);}
.ab-search svg{flex:none;width:15px;height:15px;fill:none;
  stroke:var(--muted);stroke-width:2;stroke-linecap:round;}
.ab-search-lbl{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:450;}
.ab-kbd{flex:none;font-family:var(--mono);font-size:11px;font-weight:600;
  color:var(--muted);background:var(--surface-2);border:1px solid var(--line);
  border-bottom-width:2px;border-radius:var(--r-xs);padding:1px 6px;}

/* ---------- buscador global (paleta de comandos) ---------- */
.cmdk{position:fixed;inset:0;z-index:1400;display:flex;
  align-items:flex-start;justify-content:center;
  padding:12vh 20px 20px;background:rgba(0,0,0,.42);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);}
.cmdk[hidden]{display:none;}
@keyframes cmdk-in{from{opacity:0}to{opacity:1}}
.cmdk-panel{width:100%;max-width:560px;display:flex;flex-direction:column;
  max-height:70vh;background:var(--surface);border:1px solid var(--line-strong);
  border-radius:var(--r-lg);box-shadow:var(--shadow-3);overflow:hidden;}
.cmdk-bar{display:flex;align-items:center;gap:10px;padding:13px 16px;
  border-bottom:1px solid var(--line);}
.cmdk-ic{flex:none;width:17px;height:17px;fill:none;stroke:var(--faint);
  stroke-width:2;stroke-linecap:round;}
#cmdk-input{flex:1;min-width:0;border:none;background:none;outline:none;
  font-family:var(--sans);font-size:15.5px;color:var(--ink);}
#cmdk-input::placeholder{color:var(--faint);}
.cmdk-esc{flex:none;font-family:var(--mono);font-size:10.5px;color:var(--faint);
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-xs);
  padding:2px 7px;cursor:pointer;}
.cmdk-esc:hover{color:var(--ink);}
.cmdk-list{list-style:none;margin:0;padding:6px;overflow-y:auto;flex:1;}
.cmdk-list li{display:flex;align-items:center;gap:10px;padding:8px 11px;
  border-radius:var(--r-sm);cursor:pointer;scroll-margin:8px;}
.cmdk-list li[aria-selected="true"]{background:var(--accent-soft);}
.cmdk-list .r-dot{width:8px;height:8px;border-radius:50%;flex:none;}
.cmdk-list .r-name{flex:1;min-width:0;font-size:14px;color:var(--ink);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.cmdk-list .r-name b{color:var(--accent-ink);font-weight:600;}
.cmdk-list .r-mod{flex:none;font-size:11px;color:var(--faint);
  text-transform:uppercase;letter-spacing:.05em;}
.cmdk-empty{padding:26px 16px;text-align:center;color:var(--faint);font-size:13.5px;}
.cmdk-foot{border-top:1px solid var(--line);padding:8px 14px;
  font-size:11.5px;color:var(--faint);background:var(--surface-2);}
.cmdk-foot kbd{font-family:var(--mono);font-size:10.5px;background:var(--surface);
  border:1px solid var(--line);border-radius:4px;padding:1px 5px;margin:0 1px;}

/* fondo oscuro del cajón de navegación (sólo móvil) */
.rail-backdrop{position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,.44);}
.rail-backdrop[hidden]{display:none;}

/* ---------- pie de sitio ---------- */
.sitefoot{max-width:1152px;margin:56px auto 0;padding:36px clamp(20px,3.5vw,44px) 48px;
  border-top:1px solid var(--line);}
.sf-top{display:flex;gap:32px;flex-wrap:wrap;align-items:flex-start;
  justify-content:space-between;margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid var(--line);}
.sf-id{flex:1 1 320px;min-width:0;}
.sf-brand{display:block;font-family:'Fredoka',var(--sans);font-weight:600;
  font-size:16px;color:var(--tangelo);margin-bottom:6px;}
.sf-brand em{font-family:var(--serif);font-style:normal;color:var(--ink);}
.sf-tag{font-size:var(--fs-tag);color:var(--muted);margin:0;max-width:48ch;line-height:1.6;}
.sf-links{display:flex;flex-direction:column;gap:8px;flex:none;}
.sf-links a{font-size:var(--fs-tag);color:var(--accent-ink);text-decoration:none;font-weight:500;transition:color .14s;}
.sf-links a:hover{color:var(--accent);text-decoration:underline;}
.sf-legal{font-size:12px;color:var(--muted);margin:0;line-height:1.6;}

/* ---------- dialog sugerencias ---------- */
.sug-dialog {
  border: none;
  border-radius: var(--r-md);
  padding: 0;
  background: var(--surface);
  box-shadow: var(--shadow-3);
  max-width: 400px;
  width: 90%;
  color: var(--ink);
}
.sug-dialog::backdrop {
  background: rgba(0,0,0,0.44);
}
.sug-content {
  padding: 24px;
}
.sug-content h3 {
  font-family: var(--serif);
  font-size: 1.2rem;
  margin: 0 0 10px;
}
.sug-content p {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 20px;
  line-height: 1.5;
}
.sug-content strong {
  color: var(--ink);
}
.sug-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sug-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: var(--r-sm);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  background: var(--surface-2);
  color: var(--ink);
  border: 1px solid var(--line);
  transition: background 0.15s, border-color 0.15s;
}
.sug-btn:hover {
  background: var(--line-strong);
  border-color: var(--muted);
}
.sug-btn-primary {
  background: var(--accent-ink);
  color: #fff;
  border-color: var(--accent-ink);
}
.sug-btn-primary:hover {
  background: color-mix(in srgb, var(--accent-ink) 80%, black);
  border-color: transparent;
  color: #fff;
}
.sug-close {
  margin-top: 16px;
  width: 100%;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  padding: 8px;
}
.sug-close:hover {
  color: var(--ink);
  text-decoration: underline;
}

/* ---------- dialog acerca de / editorial (E-E-A-T) ---------- */
.about-dialog {
  border: none;
  border-radius: var(--r-md);
  padding: 0;
  background: var(--surface);
  box-shadow: var(--shadow-3);
  max-width: 540px;
  width: 92%;
  color: var(--ink);
  max-height: 88vh;
  overflow: hidden;
}
.about-dialog::backdrop {
  background: rgba(0,0,0,0.5);
}
.about-content {
  padding: 24px 28px;
  overflow-y: auto;
  max-height: calc(88vh - 48px);
}
.about-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}
.about-title {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--ink);
}
.about-sub {
  font-size: 12.5px;
  color: var(--muted);
  margin: 4px 0 0;
}
.about-sec {
  margin-bottom: 18px;
}
.about-sec h4 {
  font-family: var(--sans);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-ink);
  margin: 0 0 6px;
}
.about-sec p, .about-sec ul {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink);
  margin: 0 0 8px;
}
.about-sec ul {
  padding-left: 18px;
  margin-bottom: 6px;
}
.about-sec li {
  margin-bottom: 4px;
}
.about-sec code {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--surface-2);
  padding: 2px 5px;
  border-radius: var(--r-xs);
}
.about-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}
.about-card {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  font-size: 12.5px;
}
.about-card b {
  display: block;
  color: var(--ink);
  margin-bottom: 2px;
}
.about-card span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
  display: block;
}
.about-disclaimer {
  background: var(--surface-2);
  border-left: 3px solid var(--accent-ink);
  padding: 10px 12px;
  border-radius: 0 var(--r-xs) var(--r-xs) 0;
  font-size: 12px;
  line-height: 1.45;
  color: var(--muted);
  margin-top: 14px;
}
.about-foot {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  margin-top: 14px;
}

/* ---------- catálogo APA en modal acerca de ---------- */
.about-apa-box {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 10px 14px;
  font-size: 13px;
  margin-top: 10px;
}
.about-apa-box summary {
  cursor: pointer;
  user-select: none;
  color: var(--ink);
  outline: none;
}
.about-apa-box[open] summary {
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
}
.about-apa-list h5 {
  font-family: var(--sans);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--accent-ink);
  margin: 12px 0 6px;
}
.about-apa-list h5:first-of-type {
  margin-top: 4px;
}
.apa-ul {
  list-style: none;
  padding: 0 !important;
  margin: 0 !important;
}
.apa-ul li {
  font-size: 12px;
  line-height: 1.45;
  color: var(--muted);
  margin-bottom: 8px !important;
  padding-left: 14px;
  position: relative;
  text-indent: -14px;
}
.apa-ul li i {
  color: var(--ink);
}
/* ---------- View Transitions for cmdk ---------- */
.cmdk { view-transition-name: cmdk-backdrop; }
.cmdk-panel { view-transition-name: cmdk-panel; }

::view-transition-old(cmdk-backdrop) {
  animation: fade-out 0.2s cubic-bezier(0.32, 0.72, 0, 1) both;
}
::view-transition-new(cmdk-backdrop) {
  animation: fade-in 0.2s cubic-bezier(0.32, 0.72, 0, 1) both;
}

::view-transition-old(cmdk-panel) {
  animation: scale-out 0.25s cubic-bezier(0.32, 0.72, 0, 1) both;
}
::view-transition-new(cmdk-panel) {
  animation: scale-in 0.25s cubic-bezier(0.32, 0.72, 0, 1) both;
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes fade-out {
  from { opacity: 1; }
  to { opacity: 0; }
}
@keyframes scale-in {
  from { opacity: 0; transform: scale(0.95) translateY(-20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes scale-out {
  from { opacity: 1; transform: scale(1) translateY(0); }
  to { opacity: 0; transform: scale(0.95) translateY(-20px); }
}

/* Disable the old simple animation */
.cmdk { animation: none !important; }