/* Medysys · piel medikai: bosque profundo + dorado + serif */
:root {
  --bg: #06140d;
  --bg-2: #0a1f14;
  --surface: rgba(255,255,255,.06);
  --surface-hi: rgba(255,255,255,.10);
  --border: rgba(255,255,255,.14);
  --border-hi: rgba(255,255,255,.32);
  --text: #f1f7f3;
  --mute: rgba(241,247,243,.68);
  --soft: rgba(241,247,243,.46);
  --brand: #1a6b4a;
  --brand-light: #2da078;
  --brand-dark: #0d3d26;
  --accent: #d4a853;
  --accent-soft: #f3d98a;
  --ok: #6fcf97;
  --ok-bg: rgba(45,160,120,.16);
  --bad: #ef8a80;
  --bad-bg: rgba(216,77,64,.16);
  --f-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --f-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --r: 12px;
  --z-sticky: 20;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%) fixed;
  color: var(--text);
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.6;
}

h1, h2, h3 { line-height: 1.12; text-wrap: balance; margin: 0 0 .6rem; }
h1, .titulo-seccion { font-family: var(--f-display); font-weight: 700; letter-spacing: 0; }
h1 { font-size: clamp(2.1rem, 5.5vw, 3.6rem); }
h1 em, .titulo-seccion em { font-style: italic; color: var(--accent-soft); }
.titulo-seccion { font-size: clamp(1.7rem, 4vw, 2.5rem); }
h3 { font-size: 1.2rem; font-weight: 700; }
h3.sub { font-family: var(--f-display); font-size: 1.45rem; margin-top: 3rem; }
p { margin: 0 0 1rem; max-width: 68ch; }
.mute { color: var(--mute); }
.lead { font-size: 1.15rem; color: var(--mute); max-width: 58ch; }

.kicker {
  font-size: .8rem; font-weight: 700; letter-spacing: .28em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 1rem;
}

/* ── Cabecera ── */
header.top {
  position: sticky; top: 0; z-index: var(--z-sticky);
  background: rgba(6,20,13,.86); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.top-inner {
  max-width: 1020px; margin: 0 auto; padding: .7rem 1.25rem;
  display: flex; align-items: center; gap: 1.5rem;
}
.logo {
  font-family: var(--f-display); font-weight: 700; font-size: 1.35rem;
  color: var(--text); text-decoration: none;
}
nav.tabs { display: flex; gap: .3rem; margin-left: auto; overflow-x: auto; scrollbar-width: none; }
nav.tabs::-webkit-scrollbar { display: none; }
nav.tabs button {
  flex: 0 0 auto; white-space: nowrap;
  appearance: none; border: 1px solid transparent; background: transparent; cursor: pointer;
  font: 600 .95rem var(--f-body); color: var(--mute);
  padding: .45rem .9rem; border-radius: 999px; touch-action: manipulation;
}
nav.tabs button:hover { color: var(--text); background: var(--surface); }
nav.tabs button[aria-current="true"] { background: var(--brand); color: #fff; }
nav.tabs button:focus-visible, .btn:focus-visible, .opt:focus-visible, .rota:focus-visible, .esp:focus-visible, .ficha-t:focus-visible, .seccion:focus-visible, .lecc:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

main { max-width: 1020px; margin: 0 auto; padding: 3rem 1.25rem 4rem; }
section[hidden] { display: none; }

/* ── Hero + buscador (estilo «la respuesta que buscas») ── */
.hero { padding: 2.5rem 0 1rem; }
.hero-centrada { text-align: center; padding: 3.2rem 0 1rem; }
.hero-centrada h1 { margin-bottom: 1rem; }
.hero-centrada h1 .l1 {
  display: block; font-family: var(--f-body); font-weight: 800;
  letter-spacing: -.015em; color: #fff;
}
.hero-centrada h1 .l2 {
  display: inline-block; font-family: var(--f-display); font-style: italic; font-weight: 600;
  color: var(--text); background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: .04em .38em .1em; margin-top: .18em;
}
.hero-centrada .lead { margin-left: auto; margin-right: auto; max-width: 52ch; }
.lead .dorada { color: var(--accent-soft); font-weight: 700; }
.hero-centrada #buscar-resultados { text-align: left; max-width: 760px; margin-left: auto; margin-right: auto; }
.hero-centrada .secciones { margin-left: auto; margin-right: auto; text-align: left; }

.buscador-hero { margin: 2.2rem auto 1rem; max-width: 720px; }
.buscar-caja {
  display: flex; align-items: center; gap: .7rem;
  background: #fdfcf8; border-radius: 999px;
  padding: .4rem .45rem .4rem 1.25rem;
  box-shadow: 0 14px 44px rgba(0, 0, 0, .38), 0 2px 8px rgba(0, 0, 0, .25);
}
.buscar-caja:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }
.buscar-caja .lupa { color: #6d7c70; flex: 0 0 auto; }
.buscar-caja input {
  flex: 1; min-width: 0; border: 0; background: transparent;
  font: 400 1.08rem var(--f-body); color: #1d2b22; padding: .8rem 0;
}
.buscar-caja input::placeholder { color: #8a978c; }
.buscar-caja input:focus { outline: none; }
.buscar-btn {
  flex: 0 0 auto; width: 46px; height: 46px; border-radius: 50%;
  border: 0; background: var(--brand); color: #fff; cursor: pointer;
  display: grid; place-items: center; touch-action: manipulation;
  transition: background .12s ease-out, transform .12s ease-out;
}
.buscar-btn:hover { background: var(--brand-light); }
.buscar-btn:active { transform: scale(.94); }
.buscar-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.sugerencias { display: flex; gap: .55rem; flex-wrap: wrap; margin-top: 1rem; justify-content: center; }
.sugerencias button {
  font: 700 .88rem var(--f-body); color: var(--text); cursor: pointer;
  background: var(--surface); border: 1px solid var(--border-hi); border-radius: 999px;
  padding: .5rem 1.05rem; touch-action: manipulation;
}
.sugerencias button:hover { background: var(--surface-hi); border-color: rgba(255,255,255,.5); }
.estado-banco { font-size: .82rem; color: var(--soft); margin: .9rem 0 0; }

.aviso-ia {
  font-size: .78rem; color: var(--soft); line-height: 1.55;
  max-width: 54ch; margin: 2.2rem auto 0;
}
@media (prefers-reduced-motion: reduce) { .buscar-btn { transition: none; } }

/* ── Botones de sección bajo el buscador ── */
.secciones { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: .8rem; margin: 2.2rem 0 0; max-width: 900px; }
.seccion {
  display: flex; flex-direction: column; gap: .3rem; text-align: left;
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 1.25rem 1.4rem; cursor: pointer; color: var(--text); font: inherit;
  touch-action: manipulation;
  transition: background .12s ease-out, border-color .12s ease-out, transform .12s ease-out;
}
.seccion:hover { background: var(--surface-hi); border-color: var(--border-hi); }
.seccion:active { transform: scale(.98); }
.seccion strong { font-family: var(--f-display); font-size: 1.35rem; font-weight: 700; color: var(--accent-soft); }
.seccion span { color: var(--mute); font-size: .92rem; line-height: 1.45; }
@media (prefers-reduced-motion: reduce) { .seccion { transition: none; } }

.volver-inicio { margin-bottom: 1.6rem; }

/* ── Respuesta IA con fuente (backend) ── */
.ia-respuesta {
  background: var(--brand-dark); border: 1px solid rgba(212,168,83,.45);
  border-radius: var(--r); padding: 1.15rem 1.3rem; margin: 1.2rem auto 0; max-width: 760px; text-align: left;
}
.ia-respuesta .tipo {
  font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent-soft); display: block; margin-bottom: .4rem;
}
.ia-cuerpo { color: var(--text); font-size: 1.02rem; line-height: 1.6; margin: 0 0 .6rem; white-space: pre-line; }
.ia-cuerpo.sin { color: var(--mute); font-style: italic; }
.ia-fuentes { margin: .4rem 0 .5rem; padding-left: 1.1rem; color: var(--mute); font-size: .85rem; }
.ia-fuentes li { margin: .2rem 0; }
.ia-aviso { font-size: .76rem; color: var(--soft); margin: .4rem 0 0; }
.btn.chico { font-size: .82rem; padding: .4rem .9rem; margin-top: .5rem; }
.btn.chico:disabled { opacity: .6; cursor: default; color: var(--ok); border-color: rgba(111,207,151,.4); }

/* ── Resultados de búsqueda ── */
.resultado {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: 1.15rem 1.3rem; margin-top: 1rem; max-width: 760px;
}
.resultado h3 { margin-bottom: .25rem; font-size: 1.08rem; }
.resultado .tipo {
  font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent); display: block; margin-bottom: .3rem;
}
.resultado p { color: var(--mute); font-size: .95rem; margin: .3rem 0 .6rem; }
.resultado ul { margin: .5rem 0 .6rem; padding-left: 1.2rem; color: var(--mute); font-size: .95rem; }
.resultado li { margin: .28rem 0; }
.sin-resultado { color: var(--soft); margin-top: 1.2rem; }
.fuente {
  display: inline-block; font-size: .8rem; font-weight: 600;
  color: var(--mute); background: transparent;
  border: 1px solid var(--border); border-radius: 999px; padding: .12rem .65rem;
}

/* ── Botones ── */
.btn {
  appearance: none; cursor: pointer; font: 700 1rem var(--f-body);
  border-radius: var(--r); padding: .7rem 1.4rem; touch-action: manipulation;
  border: 1px solid var(--border-hi); background: transparent; color: var(--text);
  transition: transform .12s ease-out, background .12s ease-out;
}
.btn:hover { background: var(--surface); }
.btn:active { transform: scale(.97); }
.btn.dorado { background: var(--accent); border-color: var(--accent); color: #241a05; }
.btn.dorado:hover { background: var(--accent-soft); }
@media (prefers-reduced-motion: reduce) { .btn, .progreso i { transition: none; } }

/* ── Bloques (urgencias) ── */
.bloques { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.bloque {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 1.5rem 1.5rem 1.4rem;
}
.bloque p { color: var(--mute); font-size: .97rem; }

/* ── Fichas ── */
.fichas { display: grid; gap: .5rem; margin-top: 1rem; }
.ficha-t {
  display: flex; align-items: baseline; gap: .9rem; width: 100%;
  background: transparent; border: 0; border-bottom: 1px solid var(--border);
  padding: .85rem .2rem; cursor: pointer; text-align: left; font: inherit; color: var(--text);
}
.ficha-t:hover { background: var(--surface); }
.ficha-t .t { font-weight: 600; flex: 1; }
.ficha-t .f { color: var(--soft); font-size: .85rem; white-space: nowrap; }
.ficha-abierta { border: 1px solid var(--border); border-radius: var(--r); padding: 1rem 1.3rem; margin: .3rem 0 .8rem; background: var(--surface); }
.ficha-abierta ul { margin: .4rem 0 .6rem; padding-left: 1.2rem; color: var(--mute); }
.ficha-abierta li { margin: .3rem 0; }

/* ── Especialidades ── */
.especialidades { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: .6rem; margin: 1.5rem 0; }
.esp {
  display: flex; align-items: center; justify-content: space-between; gap: .6rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r);
  padding: .8rem 1rem; cursor: pointer; font: inherit; color: var(--text); text-align: left;
  touch-action: manipulation;
}
.esp:hover { background: var(--surface-hi); border-color: var(--border-hi); }
.esp strong { font-size: .98rem; font-weight: 600; }
.esp span { color: var(--soft); font-size: .82rem; font-variant-numeric: tabular-nums; white-space: nowrap; }

/* ── Rotaciones comisariadas ── */
.rotalista { border-top: 1px solid var(--border); margin-top: 1rem; }
.rota {
  display: flex; align-items: center; gap: 1rem; width: 100%;
  padding: 1rem .3rem; border: 0; border-bottom: 1px solid var(--border);
  background: transparent; cursor: pointer; font: inherit; text-align: left; color: var(--text);
  touch-action: manipulation;
}
.rota:hover { background: var(--surface); }
.rota .ic {
  flex: 0 0 2.5rem; height: 2.5rem; display: grid; place-items: center;
  background: var(--brand-dark); color: var(--accent-soft);
  border-radius: 9px; font-size: 1.1rem;
}
.rota .tx { flex: 1; min-width: 0; }
.rota .tx strong { display: block; font-size: 1.02rem; }
.rota .tx span { color: var(--soft); font-size: .9rem; }
.rota .n { color: var(--soft); font-size: .85rem; white-space: nowrap; font-variant-numeric: tabular-nums; }

/* ── Enlace al MVP bajo el buscador ── */
.mvp-enlace { margin: 1.6rem 0 0; }
.linklike {
  appearance: none; background: transparent; border: 0; cursor: pointer;
  font: 700 .95rem var(--f-body); color: var(--accent-soft);
  padding: 0; text-decoration: underline; text-underline-offset: 3px;
}
.linklike:hover { color: var(--accent); }
.linklike:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }

/* ── Vista MVP ── */
.mvp-lista { margin: 1rem 0 0; padding-left: 0; list-style: none; max-width: 760px; }
.mvp-lista li {
  position: relative; padding-left: 1.4rem; margin: .6rem 0; color: var(--mute); line-height: 1.55;
}
.mvp-lista li::before { content: '—'; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.mvp-lista strong { color: var(--text); }

/* ── Repaso ── */
.repaso-panel {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 1.3rem 1.4rem; margin: 1.4rem 0 1.2rem; max-width: 760px;
}
.repaso-panel .mute { margin: 0 0 1rem; font-variant-numeric: tabular-nums; }
.repaso-panel .acciones { margin: 0; }
.btn:disabled { opacity: .45; cursor: default; }
.soft-mvp { color: var(--mute); max-width: 68ch; }

/* ── Creador de itinerarios (Lecciones) ── */
.creador {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 1.3rem 1.4rem 1.4rem; margin: 1.4rem 0 1.8rem; max-width: 760px;
}
.creador h3 { font-family: var(--f-display); font-size: 1.25rem; color: var(--accent-soft); margin-bottom: .3rem; }
.creador .mute { font-size: .92rem; margin-bottom: 1rem; }
#creador-form { display: flex; gap: .6rem; flex-wrap: wrap; align-items: stretch; }
#creador-tema {
  flex: 1 1 240px; min-width: 0; font: 400 1rem var(--f-body); color: var(--text);
  padding: .7rem 1rem; border-radius: var(--r);
  background: var(--surface-hi); border: 1px solid var(--border-hi);
}
#creador-tema::placeholder { color: var(--soft); }
#creador-tema:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
#creador-n {
  font: 600 .95rem var(--f-body); color: var(--text); cursor: pointer;
  padding: .7rem .9rem; border-radius: var(--r);
  background: var(--surface-hi); border: 1px solid var(--border-hi);
}
.creador-aviso {
  margin: .9rem 0 0; font-size: .9rem; color: var(--mute);
  border-left: 3px solid var(--border-hi); padding-left: .8rem;
}
.creador-aviso.ok { color: var(--ok); border-left-color: var(--ok); }
@media (max-width: 520px) { #creador-form { flex-direction: column; } #creador-n, #creador-form .btn { width: 100%; } }

/* ── Lecciones ── */
.lecc-global { max-width: 760px; margin: 1.4rem 0 2rem; }
.curso-x {
  appearance: none; background: transparent; border: 1px solid var(--border);
  color: var(--soft); cursor: pointer; border-radius: 8px; width: 1.7rem; height: 1.7rem;
  font-size: .8rem; line-height: 1; margin-left: .3rem; flex: 0 0 auto;
}
.curso-x:hover { color: var(--bad); border-color: var(--bad); }
.curso-x:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.lecc-global .mute { margin: 0 0 .5rem; font-variant-numeric: tabular-nums; }
.lecc-global .progreso { margin: 0; }
.curso {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 1.2rem 1.4rem 1.3rem; margin-top: 1rem; max-width: 760px;
}
.curso-head { display: flex; align-items: center; gap: .9rem; }
.curso-head .ic {
  flex: 0 0 2.5rem; height: 2.5rem; display: grid; place-items: center;
  background: var(--brand-dark); color: var(--accent-soft);
  border-radius: 9px; font-size: 1.1rem;
}
.curso-head strong { flex: 1; font-size: 1.05rem; }
.curso-head .n { color: var(--soft); font-size: .85rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.progreso.chica { margin: .85rem 0 .9rem; }
.leccs { display: grid; gap: .5rem; }
.lecc {
  display: flex; align-items: baseline; gap: .8rem; width: 100%;
  text-align: left; font: inherit; color: var(--text); cursor: pointer;
  background: transparent; border: 1px solid var(--border);
  border-radius: var(--r); padding: .62rem .9rem; touch-action: manipulation;
}
.lecc:hover { background: var(--surface-hi); border-color: var(--border-hi); }
.lecc .t { flex: 1; font-weight: 600; font-size: .96rem; }
.lecc .estado { color: var(--soft); font-size: .85rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.lecc.hecha { border-color: rgba(111,207,151,.4); }
.lecc.hecha .estado { color: var(--ok); font-weight: 700; }
.lecc-pie { margin-top: 1.6rem; }

/* ── Quiz ── */
.quiz-head { display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.quiz-head h2 { font-family: var(--f-display); }
.quiz-head .volver { margin-left: auto; }
.progreso { height: 4px; background: var(--surface-hi); border-radius: 999px; margin: 1rem 0 2rem; overflow: hidden; }
.progreso i { display: block; height: 100%; background: var(--accent); border-radius: 999px; transition: width .25s ease-out; }
.contexto-item { color: var(--mute); font-size: 1.02rem; max-width: 66ch; }
.enunciado { font-size: 1.18rem; font-weight: 700; line-height: 1.45; max-width: 64ch; }
.opts { display: grid; gap: .6rem; margin: 1.4rem 0; max-width: 760px; }
.opt {
  display: flex; gap: .8rem; align-items: baseline; width: 100%;
  text-align: left; font: 400 1rem var(--f-body); color: var(--text); cursor: pointer;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: .85rem 1rem; touch-action: manipulation;
}
.opt:hover:not(:disabled) { border-color: var(--border-hi); background: var(--surface-hi); }
.opt:disabled { cursor: default; }
.opt kbd {
  font: 700 .78rem var(--f-body); color: var(--soft);
  border: 1px solid var(--border); border-radius: 5px; padding: 0 .4rem;
  align-self: center; flex: 0 0 auto;
}
.opt.correcta { border-color: var(--ok); background: var(--ok-bg); }
.opt.fallada  { border-color: var(--bad); background: var(--bad-bg); }

.feedback {
  border: 1px solid var(--border); border-radius: var(--r);
  background: var(--surface); padding: 1.1rem 1.2rem; margin: 1.2rem 0; max-width: 760px;
}
.feedback .tag { font-weight: 700; font-size: .95rem; }
.feedback .tag.ok { color: var(--ok); }
.feedback .tag.mal { color: var(--bad); }
.feedback p { margin: .4rem 0 .7rem; color: var(--mute); }

.score { font-size: clamp(2.4rem, 6vw, 3.4rem); font-weight: 700; font-family: var(--f-display); }
.score small { font-size: .42em; color: var(--soft); }
.acciones { display: flex; gap: .75rem; flex-wrap: wrap; margin: 1rem 0; }
.repaso { margin-top: 1.5rem; border-top: 1px solid var(--border); padding-left: 0; max-width: 760px; }
.repaso li { padding: .8rem 0; border-bottom: 1px solid var(--border); list-style: none; }
.repaso .q { font-weight: 600; }
.repaso .r { color: var(--mute); font-size: .93rem; margin-top: .2rem; }

/* ── Caso ── */
.contexto {
  background: var(--brand-dark); border: 1px solid var(--border); color: var(--text);
  border-radius: 14px; padding: 1.3rem 1.5rem; font-size: 1.04rem; max-width: 70ch;
}
.paso-num {
  font-weight: 700; color: var(--accent); font-variant-numeric: tabular-nums;
  letter-spacing: .14em; text-transform: uppercase; font-size: .8rem; margin: 1.8rem 0 .4rem;
}
.cierre {
  background: var(--ok-bg); border: 1px solid rgba(111,207,151,.35);
  border-radius: var(--r); padding: 1.2rem 1.4rem; margin-top: 1.5rem; max-width: 70ch;
}

footer {
  border-top: 1px solid var(--border); margin-top: 2rem;
  padding: 1.6rem 1.25rem 2.2rem; text-align: center;
  font-size: .85rem; color: var(--soft);
}
footer p { max-width: none; margin: .25rem 0; }

@media (max-width: 640px) {
  body { font-size: 16px; }
  .top-inner { padding: .55rem .9rem; gap: .7rem; }
  main { padding: 2rem .9rem 3rem; }
  .rota .n { display: none; }
  .ficha-t .f { display: none; }
  .buscar-caja { padding-left: .95rem; gap: .5rem; }
  .buscar-caja input { font-size: 16px; }
  .buscar-btn { width: 42px; height: 42px; }
}

/* ── Medysys.ai: panel de la unidad docente ── */
.logo-ai{color:var(--accent);font-weight:600}
.seccion-ud{border-color:var(--accent);}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:1.2rem 0}
.kpi{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:14px 16px}
.kpi b{display:block;font-family:var(--f-display);font-size:1.7rem;color:var(--accent-soft);line-height:1.1}
.kpi span{color:var(--mute);font-size:.86rem}
.barras{display:flex;flex-direction:column;gap:8px;margin:.6rem 0 1rem}
.barra{display:grid;grid-template-columns:150px 1fr 48px;gap:10px;align-items:center;font-size:.92rem}
.barra i{display:block;height:12px;border-radius:6px;background:linear-gradient(90deg,var(--brand-light),var(--accent));min-width:4px}
.barra .pista{background:var(--surface);border-radius:6px;overflow:hidden}
.barra small{color:var(--mute);text-align:right}
@media (max-width:520px){.barra{grid-template-columns:110px 1fr 40px}}