/* =========================================================
   Museo Alvin a Secas — recorrido 3D
   ========================================================= */
:root {
  --tinta: #07061a;
  --oro: #ffd27a;
  --rosa: #ff5fa2;
  --violeta: #8b5cf6;
  --menta: #2de2c7;
  --texto: #ece8ff;
  --texto-suave: #b4aed3;
  --panel: rgba(14, 11, 38, .82);
  --borde: rgba(255, 255, 255, .14);
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Space Grotesk', system-ui, sans-serif;
  --curva: cubic-bezier(.2, .8, .2, 1);
  --sup: env(safe-area-inset-top, 0px);
  --inf: env(safe-area-inset-bottom, 0px);
}
body[data-mundo="surreal"] {
  --panel: rgba(255, 252, 246, .88);
  --borde: rgba(30, 30, 50, .14);
  --texto: #1d1b2c;
  --texto-suave: #55516b;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; background: var(--tinta); }
body { font-family: var(--sans); color: var(--texto); overscroll-behavior: none; -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--oro); outline-offset: 3px; }

#escena { position: fixed; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; cursor: grab; }
#escena:active { cursor: grabbing; }
#escena.sobre-algo { cursor: pointer; }

/* ---------- Botones ---------- */
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: .45em;
  padding: .8em 1.3em; border-radius: 999px; border: 1px solid transparent;
  font: 600 .95rem var(--sans); color: inherit; text-decoration: none; cursor: pointer;
  transition: transform .25s var(--curva), box-shadow .3s, background .3s;
}
.boton:hover { transform: translateY(-2px); }
.boton-principal { color: #1a1030; background: linear-gradient(120deg, var(--oro), #ffb3c9 55%, #c7b2ff); box-shadow: 0 10px 30px -10px rgba(255, 170, 160, .7); }
.boton-fantasma { background: rgba(127, 127, 160, .12); border-color: var(--borde); }
.boton-fav { color: inherit; background: rgba(255, 95, 162, .12); border-color: rgba(255, 95, 162, .5); }
.boton-fav[aria-pressed="true"] { color: #fff; background: var(--rosa); border-color: var(--rosa); box-shadow: 0 0 26px -4px var(--rosa); }

/* ---------- Entrada ---------- */
.intro {
  position: fixed; inset: 0; z-index: 40; display: grid; place-items: center; padding: 20px;
  background: radial-gradient(ellipse at center, rgba(7, 6, 26, .45), rgba(7, 6, 26, .88));
  backdrop-filter: blur(3px); color: #ece8ff;
  transition: opacity .9s var(--curva), visibility .9s;
  overflow-y: auto;
}
.intro.oculta { opacity: 0; visibility: hidden; pointer-events: none; }
.intro-caja { width: min(720px, 100%); text-align: center; }
.antetitulo { margin: 0 0 .8rem; font-size: .78rem; letter-spacing: .24em; text-transform: uppercase; color: var(--oro); }
.intro h1 { margin: 0; font: 800 clamp(2.6rem, 9vw, 5.4rem)/.95 var(--serif); letter-spacing: -.02em; text-shadow: 0 10px 50px rgba(0, 0, 0, .5); }
.intro h1 em {
  font-style: italic; font-weight: 500;
  background: linear-gradient(90deg, #ffd27a, #ff7aa8 50%, #a98bff); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.intro-bajada { color: #cfc9ee; font-size: 1.08rem; margin: 1.2rem 0 1.6rem; }
.mundos { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.mundo-carta {
  display: flex; flex-direction: column; gap: 4px; padding: 10px 10px 16px; text-align: left;
  border-radius: 22px; border: 1px solid rgba(255, 255, 255, .16); background: rgba(255, 255, 255, .06);
  color: #ece8ff; font: inherit; cursor: pointer; backdrop-filter: blur(10px);
  transition: transform .4s var(--curva), border-color .3s, box-shadow .3s, opacity .3s;
}
.mundo-carta:hover:not(:disabled) { transform: translateY(-6px) rotate(-1deg); border-color: var(--oro); box-shadow: 0 20px 50px -20px rgba(255, 210, 122, .6); }
.mundo-carta:disabled { opacity: .55; cursor: progress; }
.mundo-carta strong { padding: 6px 6px 0; font-size: 1.05rem; }
.mundo-carta small { padding: 0 6px; color: #b4aed3; }
.mundo-vista { display: block; height: 120px; border-radius: 14px; position: relative; overflow: hidden; }
.mundo-vista-espacio {
  background:
    radial-gradient(circle at 75% 30%, #ff8a5c 0 14px, transparent 15px),
    radial-gradient(2px 2px at 20% 30%, #fff, transparent), radial-gradient(1.5px 1.5px at 60% 70%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 85% 80%, #fff, transparent), radial-gradient(2px 2px at 40% 15%, #fff, transparent),
    radial-gradient(ellipse at 30% 80%, rgba(139, 92, 246, .7), transparent 60%),
    linear-gradient(160deg, #050322, #1d0b45);
}
.mundo-vista-espacio::after { content: ""; position: absolute; left: 18%; right: 18%; bottom: 0; height: 40%; border: 2px solid #8b5cf6; border-bottom: 0; box-shadow: 0 0 18px #8b5cf6; }
.mundo-vista-surreal {
  background:
    radial-gradient(ellipse 40px 16px at 25% 30%, #fff 60%, transparent 62%),
    radial-gradient(ellipse 30px 12px at 34% 24%, #fff 60%, transparent 62%),
    radial-gradient(ellipse 46px 16px at 72% 45%, #fff 60%, transparent 62%),
    radial-gradient(circle at 60% 62%, #6cbf45 0 9px, transparent 10px),
    linear-gradient(180deg, #3d6fbd, #b9d6f2 70%, #c79a68 70%);
}
.mundo-vista-surreal::after { content: ""; position: absolute; left: 22%; bottom: 30%; width: 22%; height: 36%; background: #f4efe6; border: 4px solid #c99b3c; }
.intro-estado { min-height: 1.4em; margin: 1.2rem 0 .4rem; color: #b4aed3; font-size: .9rem; }
.intro-clasico a { color: #cfc9ee; font-size: .9rem; }
@media (max-width: 520px) {
  .mundos { grid-template-columns: 1fr; }
  .mundo-vista { height: 80px; }
}

/* ---------- HUD ---------- */
.hud { position: fixed; left: 0; right: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px; pointer-events: none; transition: opacity .6s, transform .6s var(--curva); }
.hud > * { pointer-events: auto; }
.hud-arriba { top: var(--sup); }
.hud-abajo { bottom: var(--inf); justify-content: center; }
body.en-intro .hud { opacity: 0; pointer-events: none; }
body.en-intro .hud > * { pointer-events: none; }
body.en-intro .hud-arriba { transform: translateY(-20px); }
body.en-intro .hud-abajo { transform: translateY(20px); }

.lugar, .hud-boton {
  background: var(--panel); border: 1px solid var(--borde); backdrop-filter: blur(14px) saturate(1.3); -webkit-backdrop-filter: blur(14px) saturate(1.3);
  color: var(--texto); border-radius: 999px;
}
.lugar { display: flex; align-items: center; gap: 10px; padding: 6px 16px 6px 6px; max-width: 60vw; }
.lugar small { display: block; font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--texto-suave); line-height: 1.2; }
.lugar strong { display: block; font: italic 600 1rem/1.2 var(--serif); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.marca-sello {
  flex: none; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%;
  font: italic 800 1.1rem var(--serif); color: #1a1030;
  background: conic-gradient(var(--oro), var(--rosa), var(--violeta), var(--menta), var(--oro));
}
.hud-acciones { display: flex; gap: 8px; }
.hud-boton {
  display: inline-flex; align-items: center; gap: .45em; padding: .65em 1.05em;
  font: 600 .9rem var(--sans); text-decoration: none; cursor: pointer;
  transition: transform .25s var(--curva), background .3s;
}
.hud-boton:hover { transform: translateY(-2px); }
.hud-boton-principal { color: #1a1030; border-color: transparent; background: linear-gradient(120deg, var(--oro), #ffb3c9 55%, #c7b2ff); }
@media (max-width: 640px) {
  .hud-texto { display: none; }
  .hud-boton { padding: .65em .85em; }
  .hud-abajo .hud-boton span { display: none; }
  .hud-abajo .hud-boton-principal span { display: inline; }
}

/* ---------- Paneles ---------- */
.panel {
  position: fixed; z-index: 30; right: 16px; bottom: calc(76px + var(--inf)); width: min(400px, calc(100% - 32px));
  max-height: calc(100% - 170px); overflow: auto;
  padding: 22px; border-radius: 24px; background: var(--panel); border: 1px solid var(--borde);
  backdrop-filter: blur(18px) saturate(1.3); -webkit-backdrop-filter: blur(18px) saturate(1.3);
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, .7);
  animation: subir .5s var(--curva);
}
.panel[hidden] { display: none; }
@media (max-width: 640px) {
  .panel { left: 10px; right: 10px; width: auto; bottom: calc(70px + var(--inf)); max-height: 58vh; padding: 18px; }
}
.panel-cerrar {
  position: absolute; top: 12px; right: 12px; width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--borde); background: transparent; color: inherit; font-size: 1.4rem; line-height: 1; cursor: pointer;
}
.sala-chip { display: inline-block; padding: .28em .85em; border-radius: 999px; font-size: .78rem; font-weight: 700; color: #120c26; background: var(--c, var(--oro)); }
.ficha h2 { margin: .7rem 2.2rem .2rem 0; font: italic 700 clamp(1.5rem, 4vw, 2rem)/1.08 var(--serif); }
.ficha-fecha { margin: 0 0 .7rem; color: #c99b3c; font-size: .86rem; letter-spacing: .06em; }
body[data-mundo="espacio"] .ficha-fecha { color: var(--oro); }
.ficha-desc { margin: 0 0 1rem; color: var(--texto-suave); line-height: 1.55; }
.ficha-botones { display: flex; flex-wrap: wrap; gap: 8px; }
.ficha-nota { margin: .6rem 0 .8rem; font-size: .76rem; color: var(--texto-suave); opacity: .8; }
.ficha-nav { display: flex; align-items: center; gap: 12px; color: var(--texto-suave); font-size: .88rem; }
.ficha-nav .boton { padding: .5em .95em; }
#canal .boton { margin-top: .4rem; }

.mapa h2 { margin: 0 0 .6rem; font: italic 700 1.4rem var(--serif); }
#mapa-svg { display: block; width: 100%; max-width: 320px; margin: 0 auto; aspect-ratio: 1; }
#mapa-svg .zona { fill: rgba(127, 127, 160, .16); stroke: var(--texto-suave); stroke-width: .25; cursor: pointer; transition: fill .2s; }
#mapa-svg .zona:hover { fill: rgba(255, 210, 122, .35); }
#mapa-svg .punto { fill: var(--texto-suave); }
#mapa-svg .yo { fill: var(--rosa); }
#mapa-svg .cono { fill: rgba(255, 95, 162, .3); }
#mapa-svg text { font: 600 1.7px var(--sans); fill: var(--texto); text-anchor: middle; pointer-events: none; }
.mapa-lista { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 6px; }
.mapa-lista button {
  width: 100%; display: flex; align-items: center; gap: 10px; padding: .6em .9em; border-radius: 14px;
  border: 1px solid var(--borde); background: transparent; color: inherit; font: 500 .92rem var(--sans); text-align: left; cursor: pointer;
}
.mapa-lista button:hover { background: rgba(127, 127, 160, .14); }
.mapa-lista i { width: 12px; height: 12px; border-radius: 50%; background: var(--c); flex: none; }

/* ---------- Obra en grande ---------- */
.grande { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 20px; background: rgba(4, 3, 15, .9); backdrop-filter: blur(8px); }
.grande[hidden] { display: none; }
.grande img { max-width: 100%; max-height: 100%; border: 10px solid #f4efe6; outline: 8px solid #c99b3c; box-shadow: 0 40px 100px rgba(0, 0, 0, .8); animation: subir .5s var(--curva); }
.grande .panel-cerrar { color: #fff; border-color: rgba(255, 255, 255, .3); background: rgba(0, 0, 0, .4); top: calc(14px + var(--sup)); }

/* ---------- Fundido, aviso ---------- */
.fundido { position: fixed; inset: 0; z-index: 35; background: #000; opacity: 0; pointer-events: none; transition: opacity .28s; }
body[data-mundo="surreal"] .fundido { background: #f4f1ea; }
.fundido.activo { opacity: 1; }
.aviso {
  position: fixed; left: 50%; top: calc(76px + var(--sup)); z-index: 45; transform: translate(-50%, -20px); opacity: 0;
  max-width: calc(100% - 24px); padding: .7em 1.2em; border-radius: 999px; text-align: center; font-size: .9rem;
  background: var(--panel); border: 1px solid var(--borde); backdrop-filter: blur(12px);
  transition: opacity .4s, transform .4s var(--curva); pointer-events: none;
}
.aviso.visible { opacity: 1; transform: translate(-50%, 0); }
.sin-3d { position: fixed; inset: 0; z-index: 99; display: grid; place-content: center; margin: 0; padding: 20px; text-align: center; background: var(--tinta); color: #ece8ff; }

@keyframes subir { from { opacity: 0; transform: translateY(24px); } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}