/* Prototipo A — The Last Witness. Estética: limpia pero táctil,
   muted earth tones, nada compite con el globo. */

:root {
  --fondo: #0B0E12;
  --texto: #E8E3DA;
  --ambar: #D9A441;
  --granate: #7A2E2E;
  --tierra: rgba(214, 204, 188, 0.55);
  --borde-suave: rgba(214, 204, 188, 0.16);
}

* { box-sizing: border-box; }

/* El atributo hidden manda siempre (aunque el elemento tenga display propio). */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--fondo);
  color: var(--texto);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

body { overflow-x: hidden; }
body.scroll-bloqueado { overflow: hidden; }

/* La pista de scroll: 500vh de viaje. El canvas queda fijo debajo. */
.altura-scroll { height: 500vh; }

#escena {
  position: fixed;
  inset: 0;
  z-index: 1;
}
#escena canvas { display: block; }

/* --- Cabecera ----------------------------------------------------------- */

.cabecera {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 5;
  padding-top: 30px;
  text-align: center;
  pointer-events: none;
}

.titulo-canal {
  margin: 0;
  font-family: Georgia, "Iowan Old Style", "Times New Roman", serif;
  font-weight: 400;
  font-size: clamp(19px, 3vw, 28px);
  letter-spacing: 0.45em;
  text-indent: 0.45em; /* compensa el tracking del último carácter */
  color: var(--texto);
}

.pista-scroll {
  position: fixed;
  top: 92px;
  left: 0;
  right: 0;
  z-index: 5;
  margin: 0;
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(232, 227, 218, 0.5);
  pointer-events: none;
  transition: opacity 0.6s ease;
}
.pista-scroll.oculta { opacity: 0; }

/* --- Ficha mínima de episodio ------------------------------------------- */

.ficha {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 6;
  display: flex;
  gap: 12px;
  align-items: center;
  width: 300px;
  padding: 10px;
  background: rgba(16, 20, 26, 0.88);
  border: 1px solid var(--borde-suave);
  border-radius: 10px;
  backdrop-filter: blur(6px);
  cursor: pointer;
  transition: border-color 0.25s ease;
}
.ficha:hover, .ficha:focus-visible { border-color: rgba(217, 164, 65, 0.55); }
.ficha:focus-visible { outline: 1px solid var(--ambar); outline-offset: 2px; }

.ficha-miniatura {
  width: 92px;
  height: 52px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
  background: #12161C;
}

.ficha-texto { min-width: 0; }

.ficha-titulo {
  margin: 0 0 3px;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  font-size: 14px;
  line-height: 1.25;
}
.ficha-fecha {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ambar);
}
.ficha-lugar {
  margin: 2px 0 0;
  font-size: 12px;
  color: rgba(232, 227, 218, 0.6);
}

/* --- Señal de carga (CSS puro, previa a cualquier JS) ---------------------- */

.carga {
  position: fixed;
  inset: 0;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  pointer-events: none;
  transition: opacity 0.5s ease;
}
.carga--fuera { opacity: 0; }
.carga-punto {
  position: relative;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ambar, #D9A441);
  box-shadow: 0 0 18px rgba(217, 164, 65, 0.55);
}
.carga-punto::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid rgba(217, 164, 65, 0.5);
  animation: carga-onda 1.6s ease-out infinite;
}
@keyframes carga-onda {
  from { transform: scale(0.6); opacity: 0.9; }
  to   { transform: scale(2.4); opacity: 0; }
}
.carga-texto {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--tierra, rgba(214, 204, 188, 0.55));
}
@media (prefers-reduced-motion: reduce) {
  .carga-punto::after { animation: none; opacity: 0; }
}

/* --- Velo de viaje al capítulo ------------------------------------------- */

.velo {
  position: fixed;
  inset: 0;
  z-index: 30;
  background: #05070A;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.45s ease;
}
.velo.visible {
  opacity: 1;
  pointer-events: auto;
}

/* --- Dial de cronología -------------------------------------------------- */

.dial {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 5;
  width: 100%;
  height: 100px;
  /* El dial tiene foco de gesto propio: arrastrarlo es scrubear el viaje. */
  pointer-events: auto;
  touch-action: none;
  cursor: ew-resize;
  background: linear-gradient(to top, rgba(11, 14, 18, 0.92) 40%, rgba(11, 14, 18, 0));
}

/* --- Panel de capítulo (placeholder) ------------------------------------- */

.panel-capitulo {
  position: fixed;
  inset: 0;
  z-index: 10;
  overflow-y: auto;
  background: rgba(11, 14, 18, 0.94);
  backdrop-filter: blur(10px);
  opacity: 0;
  transition: opacity 0.45s ease;
}
.panel-capitulo.visible { opacity: 1; }

.panel-volver {
  position: fixed;
  top: 22px;
  left: 22px;
  padding: 8px 18px;
  font: inherit;
  font-size: 14px;
  color: var(--texto);
  background: none;
  border: 1px solid rgba(214, 204, 188, 0.3);
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.25s ease;
}
.panel-volver:hover, .panel-volver:focus-visible { border-color: var(--ambar); }
.panel-volver:focus-visible { outline: 1px solid var(--ambar); outline-offset: 2px; }

.panel-contenido {
  max-width: 640px;
  margin: 0 auto;
  padding: 96px 24px 72px;
}

.panel-miniatura {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--borde-suave);
  background: #12161C;
}

.panel-fecha {
  margin: 26px 0 0;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ambar);
}

.panel-titulo {
  margin: 6px 0 4px;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  font-size: clamp(26px, 4.5vw, 38px);
  line-height: 1.15;
}

.panel-lugar {
  margin: 0;
  font-size: 15px;
  color: rgba(232, 227, 218, 0.6);
}

.panel-resumen {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.65;
  color: rgba(232, 227, 218, 0.85);
}

.panel-nota {
  display: inline-block;
  margin-top: 30px;
  padding: 7px 14px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(232, 227, 218, 0.65);
  border: 1px solid var(--granate);
  border-radius: 999px;
}

/* --- Fallback sin WebGL --------------------------------------------------- */

.modo-fallback #escena,
.modo-fallback .dial,
.modo-fallback .pista-scroll,
.modo-fallback .altura-scroll { display: none; }

.fallback {
  max-width: 680px;
  margin: 0 auto;
  padding: 130px 24px 80px;
}

.fallback-intro {
  margin: 0 0 28px;
  font-size: 14px;
  color: rgba(232, 227, 218, 0.6);
}

.fallback-capitulo {
  display: flex;
  gap: 18px;
  padding: 18px;
  margin-bottom: 18px;
  background: rgba(16, 20, 26, 0.7);
  border: 1px solid var(--borde-suave);
  border-radius: 12px;
}
.fallback-capitulo img {
  width: 180px;
  height: 101px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
  background: #12161C;
}
.fallback-capitulo h2 {
  margin: 2px 0 2px;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  font-size: 20px;
}
.fallback-fecha {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ambar);
}
.fallback-lugar { margin: 0; font-size: 13px; color: rgba(232, 227, 218, 0.6); }
.fallback-resumen { margin: 8px 0 0; font-size: 14px; line-height: 1.55; color: rgba(232, 227, 218, 0.82); }
.fallback-nota {
  margin: 10px 0 0;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(232, 227, 218, 0.45);
}

@media (max-width: 560px) {
  .fallback-capitulo { flex-direction: column; }
  .fallback-capitulo img { width: 100%; height: auto; aspect-ratio: 16 / 9; }
}

/* --- Aviso sin JavaScript -------------------------------------------------- */

.aviso-noscript {
  position: fixed;
  top: 45%;
  left: 0;
  right: 0;
  text-align: center;
  z-index: 20;
}

/* --- Respeto por el dispositivo ------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}