:root {
  --papel: #f6f1e7;
  --papel-2: #ece4d3;
  --tinta: #24201b;
  --tinta-suave: #5d554a;
  --hierro: #9c4527;
  --hierro-oscuro: #7a331b;
  --musgo: #55663a;
  --linea: #d8ccb6;
  --radio: 14px;
  --sombra: 0 8px 24px rgba(36, 32, 27, .12);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --papel: #1b1814;
    --papel-2: #26221c;
    --tinta: #f1ebe0;
    --tinta-suave: #b9ae9d;
    --hierro: #e0835f;
    --hierro-oscuro: #f09a78;
    --musgo: #a3b67f;
    --linea: #3a342b;
    --sombra: 0 8px 24px rgba(0, 0, 0, .4);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font: 18px/1.6 var(--sans);
}

img { max-width: 100%; display: block; }

a { color: var(--hierro); }

.salto {
  position: absolute; left: -999px; top: 0;
  background: var(--tinta); color: var(--papel); padding: .5rem 1rem; z-index: 10;
}
.salto:focus { left: 0; }

.barra {
  display: flex; align-items: center; gap: .75rem;
  padding: .7rem 1rem;
  border-bottom: 1px solid var(--linea);
  background: var(--papel);
  position: sticky; top: 0; z-index: 5;
}
.barra a { text-decoration: none; color: var(--tinta); display: flex; align-items: center; gap: .6rem; }
.barra img { height: 36px; width: auto; }
.barra .marca { font: 600 1rem/1.2 var(--serif); }
.barra .volver { margin-left: auto; font-size: .9rem; color: var(--hierro); }

.portada {
  position: relative;
  min-height: 52vh;
  display: flex; align-items: flex-end;
  background: linear-gradient(160deg, #6b5a43, #2f2820);
  color: #fff;
  overflow: hidden;
}
.portada img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
}
.portada::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(20, 16, 12, .85) 0%, rgba(20, 16, 12, .25) 55%, rgba(20, 16, 12, .05) 100%);
}
.portada .texto {
  position: relative; z-index: 1;
  padding: 2rem 1rem 1.6rem; max-width: 760px; margin: 0 auto; width: 100%;
}
.portada .etiqueta {
  display: inline-block; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase;
  background: var(--hierro); color: #fff; padding: .2rem .6rem; border-radius: 999px;
}
.portada h1 {
  font: 600 clamp(2rem, 7vw, 3.2rem)/1.08 var(--serif);
  margin: .6rem 0 .4rem;
}
.portada p { margin: 0; font-size: 1.05rem; opacity: .92; }

main { max-width: 760px; margin: 0 auto; padding: 1.5rem 1rem 3rem; }

h2 { font: 600 1.5rem/1.25 var(--serif); margin: 2.2rem 0 .8rem; }
.intro p { font-size: 1.08rem; }

.aviso-qr {
  display: flex; gap: .9rem; align-items: flex-start;
  background: var(--papel-2); border-radius: var(--radio); padding: 1rem;
  margin: 1.5rem 0;
}
.aviso-qr svg { flex: none; width: 34px; height: 34px; color: var(--hierro); }
.aviso-qr p { margin: 0; font-size: .98rem; }

.salas { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.salas a {
  display: grid; grid-template-columns: 110px 1fr; gap: .9rem; align-items: center;
  text-decoration: none; color: inherit;
  background: var(--papel-2); border-radius: var(--radio); overflow: hidden;
  min-height: 110px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.salas a:hover, .salas a:focus-visible { transform: translateY(-2px); box-shadow: var(--sombra); }
.salas .mini { width: 110px; height: 100%; min-height: 110px; background: linear-gradient(160deg, #8a7354, #3b3127); }
.salas .mini img { width: 100%; height: 100%; object-fit: cover; }
.salas .num { font-size: .8rem; color: var(--hierro); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.salas h3 { font: 600 1.2rem/1.2 var(--serif); margin: .1rem 0 .2rem; }
.salas p { margin: 0 .8rem 0 0; font-size: .92rem; color: var(--tinta-suave); line-height: 1.4; }
.salas .cuerpo { padding: .7rem .8rem .7rem 0; }

.ficha { border-top: 1px solid var(--linea); margin-top: 2.2rem; padding-top: .4rem; font-size: .95rem; }
.ficha dl { margin: 0; }
.ficha dt { font-weight: 600; margin-top: .9rem; }
.ficha dd { margin: .15rem 0 0; color: var(--tinta-suave); }
.ficha ul { margin: 0; padding-left: 1.1rem; }

/* Reproductor */
.reproductor {
  margin: -2.4rem 0 1.5rem; position: relative; z-index: 2;
  background: var(--papel); border: 1px solid var(--linea); border-radius: var(--radio);
  box-shadow: var(--sombra); padding: 1rem;
  display: grid; grid-template-columns: auto 1fr; gap: .4rem 1rem; align-items: center;
}
.reproductor button.play {
  grid-row: span 2;
  width: 64px; height: 64px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--hierro); color: #fff;
  display: grid; place-items: center;
}
.reproductor button.play:hover { background: var(--hierro-oscuro); }
.reproductor button.play:focus-visible { outline: 3px solid var(--musgo); outline-offset: 3px; }
.reproductor button.play svg { width: 28px; height: 28px; }
.reproductor .titulo-audio { font-weight: 600; font-size: .95rem; line-height: 1.3; }
.reproductor .linea-tiempo { display: flex; align-items: center; gap: .6rem; font-size: .82rem; color: var(--tinta-suave); font-variant-numeric: tabular-nums; }
.reproductor input[type=range] { flex: 1; accent-color: var(--hierro); min-width: 0; }
.reproductor .credito { grid-column: 1 / -1; font-size: .78rem; color: var(--tinta-suave); margin: .3rem 0 0; }

.destacados {
  list-style: none; padding: 0; margin: 1.5rem 0;
  border-left: 4px solid var(--musgo); padding-left: 1rem;
}
.destacados li { margin: .35rem 0; font-weight: 500; }

.navegar { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; margin-top: 2.4rem; }
.navegar a {
  display: block; text-decoration: none; color: inherit;
  border: 1px solid var(--linea); border-radius: var(--radio); padding: .8rem 1rem;
}
.navegar a:hover { border-color: var(--hierro); }
.navegar small { display: block; color: var(--tinta-suave); font-size: .8rem; }
.navegar .sig { text-align: right; grid-column: 2; }

.estado { padding: 3rem 1rem; text-align: center; color: var(--tinta-suave); }
.estado h1 { font: 600 1.6rem/1.2 var(--serif); color: var(--tinta); }
.estado .boton {
  display: inline-block; margin-top: 1rem; padding: .7rem 1.2rem; border-radius: 999px;
  background: var(--hierro); color: #fff; text-decoration: none;
}

footer {
  border-top: 1px solid var(--linea); padding: 1.2rem 1rem 2rem;
  text-align: center; font-size: .8rem; color: var(--tinta-suave);
}

@media (min-width: 640px) {
  .salas a { grid-template-columns: 170px 1fr; min-height: 140px; }
  .salas .mini { width: 170px; min-height: 140px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}