/* Tour 360: estilos del visor. Sin dependencias. */
:root {
  --fondo: #0d0d10;
  --vidrio: rgba(16, 16, 20, 0.6);
  --vidrio-fuerte: rgba(16, 16, 20, 0.84);
  --borde: rgba(255, 255, 255, 0.14);
  --texto: #f4f4f5;
  --texto-2: rgba(244, 244, 245, 0.74);
  --acento: #4fb3ff;
  --radio: 12px;
  --sombra: 0 8px 28px rgba(0, 0, 0, 0.38);
  --margen: 12px;
  --ancho-barra: 196px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--fondo);
  color: var(--texto);
  overflow: hidden;
  overscroll-behavior: none;
}

[hidden] { display: none !important; }

.tour {
  position: fixed;
  inset: 0;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#lienzo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: grab;
  outline: none;
}
#lienzo.arrastrando { cursor: grabbing; }

/* Puntos (enlaces e información) */
.puntos {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.punto {
  position: absolute;
  left: 0;
  top: 0;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 0;
  background: none;
  color: #fff;
  font: inherit;
  cursor: pointer;
  pointer-events: auto;
  will-change: transform;
}

.punto-icono {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.3);
  border: 2.5px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
  transition: transform 0.15s ease, background-color 0.15s ease;
}
.punto-icono svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: #fff;
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.punto-enlace .punto-icono::after {
  content: "";
  position: absolute;
  inset: -9px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.6);
  animation: pulso 2.4s ease-out infinite;
}
@keyframes pulso {
  0% { transform: scale(0.72); opacity: 0.9; }
  100% { transform: scale(1.32); opacity: 0; }
}

.punto:hover .punto-icono,
.punto:focus-visible .punto-icono {
  transform: scale(1.12);
  background: rgba(79, 179, 255, 0.6);
}
.punto:focus-visible { outline: none; }
.punto:focus-visible .punto-icono { box-shadow: 0 0 0 3px var(--acento), 0 2px 12px rgba(0, 0, 0, 0.4); }

.punto-info { width: 38px; height: 38px; }
.punto-info .punto-icono { background: rgba(255, 255, 255, 0.92); border-color: #fff; }
.punto-info .punto-icono svg { width: 22px; height: 22px; stroke: #16161a; }
.punto-info:hover .punto-icono,
.punto-info:focus-visible .punto-icono { background: #fff; }

.punto-etiqueta {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translate(-50%, -4px);
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--vidrio-fuerte);
  font-size: 13px;
  line-height: 1.3;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.15s ease, transform 0.15s ease;
  pointer-events: none;
}
.punto:hover .punto-etiqueta,
.punto:focus-visible .punto-etiqueta { opacity: 1; transform: translate(-50%, 0); }
@media (hover: none) {
  .punto-enlace .punto-etiqueta { opacity: 1; transform: translate(-50%, 0); }
}

/* Cabecera */
.cabecera {
  position: absolute;
  top: max(var(--margen), env(safe-area-inset-top));
  left: max(var(--margen), env(safe-area-inset-left));
  max-width: calc(100% - 2 * var(--margen));
  padding: 10px 14px;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  background: var(--vidrio);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  pointer-events: none;
}
.cabecera h1 { margin: 0; font-size: 15px; font-weight: 650; letter-spacing: 0.01em; }
.cabecera h1:empty { display: none; }
.cabecera p { margin: 2px 0 0; font-size: 13px; color: var(--texto-2); }
.cabecera h1:empty + p { margin: 0; color: var(--texto); font-weight: 600; }

/* Barra de controles */
.barra {
  position: absolute;
  right: max(var(--margen), env(safe-area-inset-right));
  bottom: max(var(--margen), env(safe-area-inset-bottom));
  display: flex;
  gap: 4px;
  padding: 5px;
  border: 1px solid var(--borde);
  border-radius: 14px;
  background: var(--vidrio);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.boton {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--texto);
  cursor: pointer;
}
.boton:hover { background: rgba(255, 255, 255, 0.1); }
.boton:focus-visible { outline: 2px solid var(--acento); outline-offset: 1px; }
.boton[aria-pressed="true"] { background: rgba(79, 179, 255, 0.3); color: #fff; }
.boton svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Tira de escenas */
.escenas {
  position: absolute;
  left: max(var(--margen), env(safe-area-inset-left));
  right: calc(max(var(--margen), env(safe-area-inset-right)) + var(--ancho-barra) + 10px);
  bottom: max(var(--margen), env(safe-area-inset-bottom));
  display: flex;
}
.pista {
  position: relative;
  display: flex;
  gap: 8px;
  max-width: 100%;
  padding: 6px;
  overflow-x: auto;
  border: 1px solid var(--borde);
  border-radius: 14px;
  background: var(--vidrio);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.3) transparent;
}
.escena-tarjeta {
  position: relative;
  flex: 0 0 auto;
  width: 136px;
  padding: 0;
  border: 0;
  border-radius: 10px;
  overflow: hidden;
  background: #222;
  color: var(--texto);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.escena-tarjeta img {
  display: block;
  width: 100%;
  height: 76px;
  object-fit: cover;
}
.escena-tarjeta::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 10px;
  border: 2px solid transparent;
  pointer-events: none;
}
.escena-tarjeta[aria-current="true"]::after { border-color: var(--acento); }
.escena-tarjeta:hover img { filter: brightness(1.12); }
.escena-tarjeta:focus-visible { outline: 2px solid var(--acento); outline-offset: 2px; }
.escena-tarjeta span {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 16px 8px 5px;
  font-size: 12px;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.78));
}
.grupo-etiqueta {
  flex: 0 0 auto;
  align-self: stretch;
  display: grid;
  place-items: center;
  padding: 0 2px;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--texto-2);
}

/* Carga */
.carga {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  overflow: hidden;
  pointer-events: none;
}
.carga::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 35%;
  background: var(--acento);
  animation: carga 1.1s ease-in-out infinite;
}
@keyframes carga {
  from { transform: translateX(-100%); }
  to { transform: translateX(300%); }
}

/* Tarjeta de información */
.tarjeta {
  position: absolute;
  left: 50%;
  bottom: calc(max(var(--margen), env(safe-area-inset-bottom)) + 66px);
  transform: translateX(-50%);
  width: min(440px, calc(100% - 2 * var(--margen)));
  max-height: 60%;
  overflow: auto;
  padding: 16px 18px;
  border: 1px solid var(--borde);
  border-radius: 14px;
  background: var(--vidrio-fuerte);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: var(--sombra);
  user-select: text;
  -webkit-user-select: text;
}
.tarjeta h2 { margin: 0 30px 6px 0; font-size: 17px; line-height: 1.3; }
.tarjeta p { margin: 0; font-size: 14px; line-height: 1.55; color: var(--texto-2); white-space: pre-line; }
.tarjeta p:empty { display: none; }
.tarjeta a { display: inline-block; margin-top: 10px; color: var(--acento); font-size: 14px; }
.tarjeta .cerrar {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--texto);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
.tarjeta .cerrar:hover { background: rgba(255, 255, 255, 0.12); }

/* Avisos */
.aviso {
  position: absolute;
  top: calc(max(var(--margen), env(safe-area-inset-top)) + 70px);
  left: 50%;
  transform: translateX(-50%);
  max-width: calc(100% - 2 * var(--margen));
  padding: 9px 14px;
  border-radius: 10px;
  background: var(--vidrio-fuerte);
  font-size: 14px;
  box-shadow: var(--sombra);
  pointer-events: none;
}

/* Pantalla de inicio y errores */
.inicio {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 14px;
  padding: 24px;
  background: var(--fondo);
  text-align: center;
  transition: opacity 0.5s ease;
}
.inicio.fuera { opacity: 0; pointer-events: none; }
.inicio p { margin: 0; max-width: 34em; color: var(--texto-2); font-size: 15px; line-height: 1.5; }
.inicio.error .girador { display: none; }
.inicio.error p { color: var(--texto); }
.girador {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.18);
  border-top-color: var(--acento);
  animation: girar 0.9s linear infinite;
}
@keyframes girar { to { transform: rotate(360deg); } }

/* Móvil */
@media (max-width: 640px) {
  :root { --margen: 10px; }
  .escenas {
    right: max(var(--margen), env(safe-area-inset-right));
    bottom: calc(max(var(--margen), env(safe-area-inset-bottom)) + 62px);
  }
  .escena-tarjeta { width: 112px; }
  .escena-tarjeta img { height: 63px; }
  .tarjeta { bottom: calc(max(var(--margen), env(safe-area-inset-bottom)) + 62px); }
  .cabecera { padding: 8px 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .punto-enlace .punto-icono::after { animation: none; opacity: 0; }
  .carga::before { animation-duration: 2.5s; }
}