/* Sala de Adviento · estilos de la sala */
:root{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;font:14px/1.4 system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-text-size-adjust:100%}
img{max-width:100%}
[hidden]{display:none!important}
/* Layout: galería blanca contemporánea en CSS 3D, nave alargada; 4 obras en cada testero y 8 en cada pared larga, en una sola línea a la altura de los ojos */
:root{
  --wall:#f8f7f3;
  --stone:#ebe6dc;
  --ink:#24211c;
  --ink-soft:#6f695d;
  --gold:#c9a35a;
  --mat:#fbfaf6;
  --night:#121110;
  --num:"Playfair Display",Georgia,serif;
  --numw:800;
  --display:"Bodoni Moda","Bodoni 72",Didot,Georgia,serif;
  --label:"IBM Plex Sans Condensed","Arial Narrow",system-ui,sans-serif;
  color-scheme:light;
}
html,body{height:100%;overflow:hidden}
body{background:var(--wall);color:var(--ink);font-family:var(--label);
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:0}
body.nf-b{--num:"Fraunces",Georgia,serif;--numw:800}
body.nf-c{--num:"DM Serif Display",Georgia,serif;--numw:400}

/* ---------- Escena ---------- */
.stage{position:fixed;inset:0;overflow:hidden;perspective:var(--p,900px);perspective-origin:50% 50%;
  touch-action:none;cursor:grab;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;background:#f2f1ed;outline:none}
.stage.grabbing{cursor:grabbing}
.room{position:absolute;left:50%;top:50%;width:0;height:0;transform-style:preserve-3d}
.wall,.floor,.ceil,.solid{position:absolute;left:0;top:0;transform-style:preserve-3d}
.wall{height:var(--H);margin-top:calc(var(--H) / -2);
  background:
    linear-gradient(180deg,#ffffff 0%,rgba(255,255,255,0) 38%,rgba(0,0,0,0) 72%,rgba(110,100,85,.07) 100%),
    linear-gradient(90deg,rgba(110,100,85,.07),rgba(110,100,85,0) 4%,rgba(110,100,85,0) 96%,rgba(110,100,85,.07)),
    var(--wall)}
.wall .gap{position:absolute;left:0;right:0;bottom:0;height:16px;background:linear-gradient(#3a3834,#1d1c1a);transform:translateZ(.5px)}
.wall .gap-top{position:absolute;left:0;right:0;top:0;height:10px;background:#d9d7d0;transform:translateZ(.5px)}
.floor{background-color:#edece7;
  background-image:
    radial-gradient(ellipse 34% 26% at 50% 50%,rgba(255,255,255,.5),rgba(255,255,255,0) 100%),
    linear-gradient(90deg,rgba(255,255,255,.5),rgba(255,255,255,0) 9%,rgba(255,255,255,0) 91%,rgba(255,255,255,.5)),
    linear-gradient(0deg,rgba(255,255,255,.4),rgba(255,255,255,0) 5%,rgba(255,255,255,0) 95%,rgba(255,255,255,.4)),
    var(--marble,linear-gradient(#edece7,#edece7));
  background-size:100% 100%}
.floor .pool{position:absolute;border-radius:50%;background:radial-gradient(ellipse at 50% 50%,rgba(30,25,18,.28),rgba(30,25,18,0) 70%);transform:translateZ(.5px)}
.ceil{background:#f3f2ee}
.ceil .lum{position:absolute;transform:translateZ(.5px);
  background:
    repeating-linear-gradient(90deg,#d8d7d1 0 5px,rgba(0,0,0,0) 5px 455px),
    repeating-linear-gradient(0deg,#d8d7d1 0 5px,rgba(0,0,0,0) 5px 455px),
    radial-gradient(ellipse 60% 60% at 50% 50%,#ffffff,#fbfbf9 70%,#f1f0ec);
  box-shadow:0 0 0 10px #e4e3de,0 0 140px 50px rgba(255,255,255,.95)}
.ceil .rail{position:absolute;background:#2b2a27;transform:translateZ(6px)}
.ceil .fix{position:absolute;width:44px;height:96px;margin:-48px 0 0 -22px;border-radius:22px;background:linear-gradient(90deg,#1d1c1a,#3b3936 50%,#1d1c1a);transform-origin:50% 50%}
.face-s{position:absolute}
.bench-top{background:linear-gradient(90deg,#1c1b19,#2a2825 50%,#1c1b19)}
.bench-side{background:linear-gradient(180deg,#24221f,#151412)}
.bench-base{background:linear-gradient(180deg,#8d8a83,#5f5c56)}

/* ---------- Obras ---------- */
body.fr-fino{--fpk:.022;--mpk:.12;--d:24px}
body.fr-clasico{--fpk:.07;--mpk:.065;--d:34px}
body.fr-lienzo{--fpk:0;--mpk:0;--d:18px}
.fr-fino .t0,.fr-fino .t2{--fr:#1e1d1b;--sd:#151412;--sd-hi:#2e2c29;--sd-lo:#0b0b0a}
.fr-fino .t1,.fr-fino .t3{--fr:linear-gradient(135deg,#d8bb8e,#bf9b68 50%,#dcc297);--sd:#a98858;--sd-hi:#cfb286;--sd-lo:#876a42}
.fr-clasico .t0,.fr-clasico .t2{--fr:linear-gradient(135deg,#ecd08a,#a97f2f 35%,#f0d896 55%,#8c6424);--sd:#9c762e;--sd-hi:#dcbb6e;--sd-lo:#735420}
.fr-clasico .t1,.fr-clasico .t3{--fr:linear-gradient(135deg,#8a5c38,#5a3a21 45%,#946640 70%,#462b17);--sd:#4e311c;--sd-hi:#7c5434;--sd-lo:#382213}
.fr-lienzo .piece,.fr-lienzo .lb-face{--fr:transparent}

.piece{position:absolute;transform:translateZ(var(--d));transform-style:preserve-3d;cursor:pointer;outline:none}
.face{position:relative;padding:calc(var(--aw) * var(--fpk));background:var(--fr,#1e1d1b);box-shadow:inset 0 0 0 1px rgba(0,0,0,.22)}
.mat{padding:calc(var(--aw) * var(--mpk));background:var(--mat);box-shadow:inset 0 1px 4px rgba(0,0,0,.2)}
.fr-lienzo .mat{box-shadow:none}
.art{position:relative;width:var(--aw);height:var(--ah);overflow:hidden;background:#d9d4c9}
.art img{position:absolute;max-width:none;object-fit:cover;pointer-events:none;-webkit-user-drag:none}
.art .full{inset:0;width:100%;height:100%;transform:scale(1.08);transition:transform 1.9s cubic-bezier(.2,.7,.2,1)}
.art .prev{left:-6%;top:-6%;width:112%;height:112%;transition:opacity 1.6s cubic-bezier(.4,0,.2,1)}
.art::after{content:"";position:absolute;inset:0;pointer-events:none;transform:translateX(-130%);
  background:linear-gradient(105deg,rgba(255,240,200,0) 35%,rgba(255,240,200,.6) 50%,rgba(255,240,200,0) 65%)}
.revealing .art::after{animation:sheen 1.5s ease .1s}
@keyframes sheen{to{transform:translateX(130%)}}
.veil{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:calc(var(--aw) * .03);
  background:radial-gradient(ellipse at 50% 50%,rgba(25,18,8,.24),rgba(25,18,8,.06) 72%);transition:opacity .9s ease .25s}
.is-locked .veil{background:rgba(250,248,242,.38)}
.num{position:relative;isolation:isolate;font-family:var(--num);font-weight:var(--numw);font-variation-settings:"opsz" 144;
  font-size:calc(min(var(--aw),var(--ah)) * .44);line-height:1;letter-spacing:-.01em;font-variant-numeric:lining-nums;
  background:linear-gradient(172deg,#fff3c9 0%,#ecc872 30%,#b98a33 55%,#f3d78e 75%,#a1762a 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  transition:transform 1s cubic-bezier(.2,.7,.2,1),opacity .7s ease}
.num::before{content:attr(data-n);position:absolute;inset:0;z-index:-1;color:transparent;text-shadow:0 2px 0 rgba(90,60,15,.4),0 6px 24px rgba(0,0,0,.38)}
.is-locked .num{opacity:.62}
.tag{display:none;font:600 max(12px,calc(var(--aw) * .046))/1 var(--label);letter-spacing:.2em;text-transform:uppercase;color:#f0d68e;background:rgba(24,22,19,.82);padding:.5em .8em .45em}
.is-today .tag{display:inline-block}
.is-open .prev{opacity:0}
.is-open .full{transform:none}
.is-open .veil{opacity:0}
.revealing .num{transform:scale(1.5);opacity:0}
.face.shake{animation:shake .5s ease}
@keyframes shake{0%,100%{transform:none}20%{transform:translateX(-12px) rotate(-.8deg)}40%{transform:translateX(12px) rotate(.8deg)}60%{transform:translateX(-7px)}80%{transform:translateX(7px)}}
.spark{position:absolute;left:50%;top:50%;width:10px;height:10px;border-radius:50%;background:#ffe2a0;box-shadow:0 0 14px #f2c35b;pointer-events:none;z-index:3}

.side{position:absolute;background:var(--sd,#151412)}
.s-l,.s-r{top:0;width:var(--d);height:100%;transform-origin:0 50%;transform:rotateY(90deg)}
.s-l{left:0}.s-r{left:100%}
.s-t,.s-b{left:0;width:100%;height:var(--d);transform-origin:50% 0;transform:rotateX(-90deg)}
.s-t{top:0;background:var(--sd-hi,#2e2c29)}.s-b{top:100%;background:var(--sd-lo,#0b0b0a)}
.fr-lienzo .side{background:linear-gradient(rgba(0,0,0,.16),rgba(0,0,0,.16)),var(--prev,#cfc8bb) center/cover}
.fr-lienzo .s-t{background:linear-gradient(rgba(255,255,255,.12),rgba(255,255,255,.12)),var(--prev,#cfc8bb) center/cover}

.spot{position:absolute;pointer-events:none;transform:translateZ(2px);
  background:radial-gradient(ellipse 50% 50% at 50% 42%,rgba(255,216,156,.3),rgba(255,216,156,0) 72%)}
.spot.today{background:radial-gradient(ellipse 50% 50% at 50% 45%,rgba(255,200,110,.62),rgba(255,200,110,0) 72%);animation:pulse 2.6s ease-in-out infinite}
@keyframes pulse{50%{opacity:.45}}
.shade{position:absolute;pointer-events:none;transform:translateZ(3px);background:rgba(60,46,28,.15);box-shadow:0 0 50px 22px rgba(60,46,28,.13);border-radius:6px}
.plaque{position:absolute;transform:translate(-50%,0) translateZ(4px);white-space:nowrap;pointer-events:none;
  font:600 22px/1 var(--label);letter-spacing:.16em;text-transform:uppercase;font-variant-numeric:tabular-nums;
  color:#2a2110;background:linear-gradient(180deg,#e6c985,#ad873b);padding:10px 15px 9px;border-radius:2px;box-shadow:0 2px 4px rgba(0,0,0,.3);
  opacity:0;transition:opacity .7s ease 1.1s}
.plaque.on{opacity:1}

/* ---------- Interfaz mínima ---------- */
.hint{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);z-index:20;
  background:rgba(255,255,255,.88);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--ink-soft);
  font-size:13px;letter-spacing:.04em;padding:9px 16px;border-radius:999px;box-shadow:0 4px 18px rgba(60,45,25,.12);
  white-space:nowrap;max-width:calc(100vw - 32px);overflow:hidden;text-overflow:ellipsis;transition:opacity .8s ease,transform .8s ease;pointer-events:none}
.hint.gone{opacity:0;transform:translate(-50%,10px)}
.hint .touch{display:none}
@media (hover:none){.hint .mouse{display:none}.hint .touch{display:inline}}
.x{position:fixed;z-index:40;width:48px;height:48px;border-radius:50%;cursor:pointer;padding:0;
  top:calc(16px + env(safe-area-inset-top,0px));right:calc(16px + env(safe-area-inset-right,0px));
  background:rgba(255,255,255,.92);border:1px solid rgba(36,33,28,.14);box-shadow:0 6px 20px rgba(40,30,15,.16);
  transition:transform .2s ease,opacity .3s ease}
.x::before,.x::after{content:"";position:absolute;left:50%;top:50%;width:20px;height:2px;background:var(--ink);border-radius:2px}
.x::before{transform:translate(-50%,-50%) rotate(45deg)}.x::after{transform:translate(-50%,-50%) rotate(-45deg)}
.x:hover{transform:scale(1.06)}
.x.dark{background:rgba(255,255,255,.08);border-color:rgba(201,163,90,.6);box-shadow:none}
.x.dark::before,.x.dark::after{background:#f3ecdc}
.toast{position:fixed;left:50%;bottom:calc(70px + env(safe-area-inset-bottom,0px));transform:translate(-50%,10px);z-index:60;
  background:var(--night);color:#f3ecdc;padding:12px 18px;font-size:14px;border-radius:3px;box-shadow:0 10px 30px rgba(0,0,0,.25);
  opacity:0;transition:opacity .25s,transform .25s;pointer-events:none;max-width:calc(100vw - 32px);text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}
button:focus-visible,.piece:focus-visible .face,.stage:focus-visible{outline:2px solid var(--gold);outline-offset:4px}

/* ---------- Vista grande ---------- */
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(14,13,11,.9);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  display:flex;overflow:auto;
  padding:max(76px,calc(env(safe-area-inset-top,0px) + 72px)) max(16px,env(safe-area-inset-right,0px)) max(28px,env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
.lb-inner{display:flex;flex-wrap:wrap;gap:26px 44px;align-items:center;justify-content:center;max-width:1100px;width:100%;margin:auto}
.lightbox.show .lb-inner{animation:lbIn .55s cubic-bezier(.2,.7,.2,1)}
@keyframes lbIn{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}
.lb-face{box-shadow:0 30px 60px rgba(0,0,0,.55);max-width:100%}
.lb-face img{display:block;max-width:min(580px,calc(100vw - 110px));max-height:64vh;width:auto;height:auto}
.cartela{background:var(--mat);color:var(--ink);padding:20px 24px 22px;max-width:36ch;min-width:0;box-shadow:0 10px 30px rgba(0,0,0,.4)}
.lb-meta{margin:0 0 10px;font:600 11px/1.3 var(--label);letter-spacing:.16em;text-transform:uppercase;color:#7a6330}
#lb-title{font-family:var(--display);font-style:italic;font-weight:500;font-size:30px;line-height:1.08;margin:0 0 8px;text-wrap:balance}
.lb-author{margin:0;font-size:15px;color:var(--ink)}
.lb-tec{margin:2px 0 0;font-size:14px;color:var(--ink-soft)}
.lb-text{white-space:pre-line;margin:14px 0 0;padding-top:14px;border-top:1px solid rgba(36,33,28,.12);font-size:15px;line-height:1.55}

/* ---------- Panel de prueba (solo prototipo) ---------- */
.proto-btn{position:fixed;left:calc(16px + env(safe-area-inset-left,0px));top:calc(16px + env(safe-area-inset-top,0px));z-index:30;
  font:600 11px/1 var(--label);letter-spacing:.16em;text-transform:uppercase;color:#7a6330;background:rgba(255,255,255,.9);
  border:1px dashed rgba(122,99,48,.6);padding:10px 12px;border-radius:999px;cursor:pointer}
.proto{position:fixed;left:calc(16px + env(safe-area-inset-left,0px));top:calc(58px + env(safe-area-inset-top,0px));z-index:30;
  width:min(330px,calc(100vw - 32px));background:#fff;color:var(--ink);border-radius:6px;box-shadow:0 18px 44px rgba(40,30,15,.2);
  padding:16px;display:flex;flex-direction:column;gap:12px;font-size:14px}
.proto h2{margin:0;font:600 11px/1 var(--label);letter-spacing:.18em;text-transform:uppercase;color:#7a6330}
.proto .row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.proto .row > span{min-width:6.5ch;color:var(--ink-soft)}
.proto input[type=range]{accent-color:var(--gold);flex:1;min-width:120px}
.proto input[type=checkbox]{accent-color:var(--gold)}
.proto output{font-variant-numeric:tabular-nums;min-width:7ch}
.seg{display:flex;border:1px solid rgba(36,33,28,.18);border-radius:4px;overflow:hidden}
.seg button{font:500 13px/1 var(--label);background:#fff;color:var(--ink);border:0;padding:9px 10px;cursor:pointer}
.seg button + button{border-left:1px solid rgba(36,33,28,.18)}
.seg button[aria-pressed="true"]{background:var(--ink);color:#fff}
.proto .act{font:500 12px/1 var(--label);letter-spacing:.1em;text-transform:uppercase;background:#fff;color:var(--ink);border:1px solid rgba(36,33,28,.25);padding:9px 11px;border-radius:3px;cursor:pointer}
.proto .note{margin:0;font-size:12px;color:var(--ink-soft)}

@media (prefers-reduced-motion:reduce){
  .art .full,.art .prev,.veil,.num,.plaque,.hint{transition-duration:.01s!important;transition-delay:0s!important}
  .spot.today,.face.shake,.revealing .art::after,.lightbox.show .lb-inner{animation:none}
}