:root{
  color-scheme: dark;
  --gold:#ffe14a; --gold2:#ffb020; --pink:#ff4f8b; --blue:#3ab8ff; --mint:#5affa8; --violet:#b04aff;
  --ok:#2fe07a; --bad:#ff4a5a; --ink:#fff; --muted:#efe8ff;
  --panel:rgba(28,14,74,.9); --glass:rgba(30,16,80,.62); --lab:#2ab8ff;
  --font:'Fredoka', ui-rounded, 'Segoe UI', system-ui, sans-serif;
  --display:'Lilita One', 'Fredoka', sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%;margin:0}
body{background:#3a1a8a;color:var(--ink);font-family:var(--font);-webkit-tap-highlight-color:transparent;overscroll-behavior:none;overflow:hidden;user-select:none;-webkit-user-select:none}
button{font-family:inherit;color:inherit;touch-action:manipulation}
#scene{position:fixed;inset:0;width:100%;height:100%;z-index:0;touch-action:none}
#app{position:relative;z-index:1;height:100%;display:flex;flex-direction:column;pointer-events:none}
.screen{flex:1 1 auto;min-height:0;display:flex;flex-direction:column;position:relative}
.screen > *{pointer-events:auto}
.spacer{flex:1}

/* ── Botones ── */
.row{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.btn{border:0;border-radius:999px;min-height:48px;padding:10px 22px;font-weight:700;font-size:18px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .12s}
.btn:active{transform:scale(.95)}
.btn.gold{background:linear-gradient(180deg,#fff7b0,var(--gold) 40%,var(--gold2));color:#4a2000;box-shadow:0 5px 0 #c06a00,0 12px 26px rgba(0,0,0,.35);text-shadow:0 1px 0 rgba(255,255,255,.5)}
.btn.mint{background:linear-gradient(180deg,#b0ffd8,var(--mint) 45%,#1ac070);color:#053a20;box-shadow:0 5px 0 #0a7a40,0 10px 22px rgba(0,0,0,.3)}
.btn.ghost{background:rgba(30,16,80,.55);border:1.5px solid rgba(255,255,255,.45);color:#fff;backdrop-filter:blur(4px)}
.btn.big{font-size:24px;min-height:62px;padding:12px 38px}
.btn.small{min-height:40px;font-size:15px;padding:8px 14px}
.btn.wide{width:100%}
.btn:disabled{opacity:.45;cursor:default;transform:none}
.iconbtn{width:44px;height:44px;border-radius:14px;border:1.5px solid rgba(255,255,255,.4);background:var(--glass);font-size:18px;font-weight:700;cursor:pointer;flex:0 0 auto;display:grid;place-items:center;backdrop-filter:blur(4px)}
.chip{border:1.5px solid rgba(255,255,255,.45);background:var(--glass);border-radius:999px;padding:7px 14px;font-weight:700;font-size:14px;min-height:36px;display:inline-flex;align-items:center;backdrop-filter:blur(4px)}

/* ── Menú ── */
#scr-menu{padding:calc(10px + env(safe-area-inset-top,0px)) 14px calc(12px + env(safe-area-inset-bottom,0px));gap:6px;align-items:center;overflow-y:auto}
.menu-top{display:flex;gap:8px;align-items:center;width:min(720px,100%)}
.brand{text-align:center;margin-top:4px}
.title{margin:0;font-family:var(--display);font-weight:400;line-height:.9;font-size:clamp(46px,13.5vw,96px);letter-spacing:.01em;color:#fff;-webkit-text-stroke:3px #4a1a8a;paint-order:stroke fill;text-shadow:0 6px 0 #4a1a8a,0 14px 24px rgba(0,0,0,.45);animation:rise .9s cubic-bezier(.2,.9,.3,1.3) both;transform:rotate(-3deg)}
.title span{display:block;font-size:1.1em;color:var(--mint);-webkit-text-stroke:3px #0a6a3a;text-shadow:0 6px 0 #0a6a3a,0 14px 24px rgba(0,0,0,.45)}
.tag{margin:12px 0 0;font-weight:600;font-size:16px;text-shadow:0 2px 8px rgba(0,0,0,.7)}
@keyframes rise{from{transform:translateY(-30px) scale(.8) rotate(-3deg);opacity:0}}
.menu-stage{flex:1 1 auto;min-height:130px;display:grid;place-items:center}
.bip{width:min(150px,30vh);aspect-ratio:1;animation:float 3s ease-in-out infinite}
.bip svg{width:100%;height:100%;display:block;filter:drop-shadow(0 10px 18px rgba(0,0,0,.35))}
@keyframes float{50%{transform:translateY(-10px) rotate(3deg)}}
.menu-actions{display:flex;flex-direction:column;align-items:center;gap:10px;width:min(720px,100%)}
.progress{margin:0;font-weight:600;font-size:15px;text-shadow:0 2px 6px rgba(0,0,0,.8);background:rgba(30,16,80,.5);padding:3px 12px;border-radius:999px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;width:100%}
.card{border:2px solid rgba(255,255,255,.3);border-radius:18px;background:linear-gradient(160deg,#ff6a9a,#c02a6a);color:#fff;padding:10px 6px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:2px;box-shadow:0 5px 0 rgba(40,10,60,.8),0 10px 22px rgba(0,0,0,.3),inset 0 1px 0 rgba(255,255,255,.35);animation:pop .5s cubic-bezier(.2,.9,.3,1.3) both;transition:transform .12s}
.card:active{transform:scale(.96)}
.card:nth-child(2){animation-delay:.07s;background:linear-gradient(160deg,#4ac8ff,#2a6ad0)}
.card:nth-child(3){animation-delay:.14s;background:linear-gradient(160deg,#7ae06a,#2a9a4a)}
.card i{font-style:normal;font-size:30px;line-height:1}
.card b{font-size:15.5px;line-height:1.1;text-align:center}
.card span{font-size:12.5px;font-weight:500;opacity:.9;text-align:center;line-height:1.15}
@keyframes pop{from{transform:scale(.8);opacity:0}}

/* ── Mapa ── */
.topbar{display:flex;align-items:center;gap:8px;padding:calc(8px + env(safe-area-inset-top,0px)) 10px 6px;position:relative;z-index:3}
.labtabs{flex:1;display:flex;gap:4px;justify-content:center;min-width:0;overflow-x:auto;scrollbar-width:none}
.labtabs button{width:44px;height:44px;flex:0 0 auto;border-radius:14px;border:2px solid rgba(255,255,255,.35);background:var(--glass);font-size:22px;cursor:pointer;position:relative}
.labtabs button.on{border-color:var(--gold);background:rgba(255,225,74,.25);transform:scale(1.08)}
.labtabs button.lock{opacity:.45}
.labtabs button.done::after{content:"✓";position:absolute;right:-3px;top:-5px;background:var(--ok);border-radius:50%;width:17px;height:17px;font-size:11px;font-weight:700;display:grid;place-items:center;color:#053a20}
.labhead{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;padding:2px 12px 0}
.labname{display:flex;align-items:center;gap:10px;background:var(--panel);border:2px solid var(--lab);border-radius:18px;padding:5px 14px 5px 8px;box-shadow:0 0 20px color-mix(in srgb,var(--lab) 45%,transparent)}
.labname i{font-style:normal;font-size:32px}
.labname b{display:block;font-size:18px;line-height:1.1}
.labname small{display:block;font-size:13px;opacity:.85;font-weight:600}
.track{flex:1;min-height:0;overflow-y:auto;padding:12px 0 18px;display:flex;flex-direction:column;align-items:center;gap:10px;touch-action:pan-y}
.node{position:relative;width:min(84vw,340px);display:flex;align-items:center;gap:12px;border:3px solid #fff;border-radius:22px;padding:10px 14px;background:var(--panel);cursor:pointer;box-shadow:0 6px 0 rgba(20,8,50,.8),0 12px 24px rgba(0,0,0,.35);animation:pop .45s cubic-bezier(.2,.9,.3,1.3) both;text-align:left}
.node:nth-child(odd){transform:translateX(-5%)}
.node:nth-child(even){transform:translateX(5%)}
.node:active{filter:brightness(1.15)}
.node .num{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;font-family:var(--display);font-size:24px;background:linear-gradient(180deg,#fff,var(--lab));color:#1a0a40;flex:0 0 auto;box-shadow:inset 0 -3px 0 rgba(0,0,0,.2)}
.node .info{flex:1;min-width:0}
.node .info b{display:block;font-size:16px}
.node .info span{font-size:13px;opacity:.85}
.node .st{font-size:18px;letter-spacing:-2px;white-space:nowrap}
.node .st i{font-style:normal;filter:grayscale(1) brightness(.6)}
.node .st i.on{filter:none}
.node.next{border-color:var(--gold);animation:pop .45s both,glow 1.2s ease-in-out infinite}
@keyframes glow{50%{box-shadow:0 6px 0 rgba(20,8,50,.8),0 0 0 6px rgba(255,225,74,.45)}}
.node.lock{opacity:.6;cursor:default}
.node.lock .num{background:#6a6a8a;color:#ddd}
.node.boss .num{background:linear-gradient(180deg,#fff7b0,var(--gold2));color:#5a2a00}
.maphint{margin:0;text-align:center;padding:6px 12px calc(10px + env(safe-area-inset-bottom,0px));font-weight:600;text-shadow:0 2px 6px rgba(0,0,0,.85)}

/* ── Experimento ── */
.hudbar{gap:6px}
.hearts{display:flex;gap:1px;font-size:22px;filter:drop-shadow(0 2px 2px rgba(0,0,0,.5))}
.hearts i{font-style:normal;transition:transform .3s}
.hearts i.off{filter:grayscale(1) opacity(.4);transform:scale(.8)}
.dots{flex:1;display:flex;gap:5px;justify-content:center;align-items:center;min-width:0}
.dots i{width:14px;height:14px;border-radius:50%;background:rgba(255,255,255,.25);border:2px solid rgba(255,255,255,.6);flex:0 0 auto}
.dots i.cur{background:var(--gold);transform:scale(1.2)}
.dots i.ok{background:var(--ok)}
.dots i.half{background:linear-gradient(90deg,var(--ok) 50%,var(--bad) 50%)}
.dots i.ko{background:var(--bad)}
.score{background:var(--panel);border:2px solid var(--gold);border-radius:999px;padding:5px 12px;font-weight:700;font-size:16px;color:#fff3b0;white-space:nowrap}
.score.bump{animation:bump .3s}
@keyframes bump{50%{transform:scale(1.2)}}
.method{display:flex;justify-content:center;gap:5px;padding:0 8px;position:relative;z-index:3}
.method span{font-size:13px;font-weight:700;padding:4px 10px;border-radius:999px;background:rgba(20,8,50,.55);border:1.5px solid rgba(255,255,255,.3);opacity:.7;transition:all .25s}
.method span.on{opacity:1;background:var(--lab);color:#120830;border-color:#fff;transform:scale(1.06)}
.method span.done{opacity:.95;border-color:var(--ok)}
.stage{flex:1 1 auto;min-height:120px;pointer-events:auto!important}
.panel{position:relative;z-index:3;margin:0 auto calc(8px + env(safe-area-inset-bottom,0px));width:min(620px,calc(100% - 16px));max-height:52vh;overflow-y:auto;background:var(--panel);border:2.5px solid rgba(255,255,255,.85);border-radius:22px;padding:10px 12px 12px;box-shadow:0 8px 22px rgba(0,0,0,.35);backdrop-filter:blur(6px);touch-action:pan-y}
.panel.in{animation:cardin .35s cubic-bezier(.2,.9,.3,1.3)}
@keyframes cardin{from{transform:translateY(14px) scale(.96);opacity:.3}}
.q{display:flex;gap:10px;align-items:center}
.q img{width:52px;height:52px;flex:0 0 auto;filter:drop-shadow(0 3px 4px rgba(0,0,0,.4))}
.q p{margin:0;font-size:clamp(16px,4.4vw,20px);font-weight:700;line-height:1.25}
.q small{display:block;font-size:13px;font-weight:600;color:var(--gold);margin-bottom:2px;text-transform:uppercase;letter-spacing:.04em}
.ops{display:grid;gap:8px;margin-top:10px}
.ops.two{grid-template-columns:1fr 1fr}
.op{border:2.5px solid rgba(255,255,255,.75);border-radius:16px;min-height:52px;padding:8px 12px;font-weight:700;font-size:clamp(15px,4.2vw,18px);cursor:pointer;background:linear-gradient(180deg,rgba(255,255,255,.18),rgba(255,255,255,.06));text-align:center;line-height:1.2;box-shadow:0 4px 0 rgba(0,0,0,.25);transition:transform .1s}
.op:active{transform:scale(.97)}
.op.expl{text-align:left;font-weight:600;font-size:clamp(14px,3.9vw,16.5px)}
.op.right{background:linear-gradient(180deg,#5affa8,#1ac070);color:#053a20;border-color:#fff}
.op.wrong{background:linear-gradient(180deg,#ff8a9a,#d82a4a);border-color:#fff}
.op.dim{opacity:.45}
.hyp{margin:0 0 8px;text-align:center;font-weight:600;font-size:15px}
.hyp b{color:var(--gold)}
.hold{width:100%;min-height:64px;font-size:21px;position:relative;overflow:hidden}
.hold.pressed{transform:scale(.97);filter:brightness(1.1)}
.banner{display:flex;align-items:center;gap:10px;border-radius:16px;padding:8px 12px;margin-bottom:8px;font-weight:700;font-size:16px;line-height:1.25}
.banner i{font-style:normal;font-size:30px}
.banner.ok{background:rgba(47,224,122,.22);border:2px solid var(--ok)}
.banner.ko{background:rgba(255,180,60,.2);border:2px solid #ffb43c}
.banner small{display:block;font-weight:600;font-size:13px;opacity:.9}
.why{background:rgba(255,255,255,.1);border-radius:14px;padding:8px 12px;margin:8px 0;font-size:15.5px;line-height:1.35}
.why b{color:var(--mint)}
.dato{display:flex;gap:8px;background:rgba(255,225,74,.14);border:1.5px dashed rgba(255,225,74,.7);border-radius:14px;padding:8px 10px;font-size:14.5px;line-height:1.35;margin:6px 0 10px}
.dato i{font-style:normal;font-size:22px}
.pts{position:fixed;z-index:80;left:50%;top:38%;transform:translateX(-50%);font-family:var(--display);font-size:42px;color:var(--gold);-webkit-text-stroke:3px #7a2a00;paint-order:stroke fill;pointer-events:none;animation:ptsup 1s ease-out forwards}
@keyframes ptsup{to{transform:translate(-50%,-60px);opacity:0}}

/* ── Hojas ── */
.modal{position:fixed;inset:0;z-index:60;background:rgba(10,4,30,.62);display:grid;place-items:center;padding:14px;backdrop-filter:blur(3px)}
.sheet{width:min(520px,100%);max-height:calc(100% - 10px);overflow-y:auto;background:linear-gradient(180deg,#4a2aa8,#2a1670);border:3px solid rgba(255,255,255,.85);border-radius:26px;padding:18px 16px 16px;box-shadow:0 20px 50px rgba(0,0,0,.5);animation:sheetin .35s cubic-bezier(.2,.9,.3,1.25);position:relative;touch-action:pan-y}
@keyframes sheetin{from{transform:translateY(30px) scale(.94);opacity:0}}
.sheet h2{margin:0 0 8px;text-align:center;font-family:var(--display);font-weight:400;font-size:28px;letter-spacing:.01em}
.sheet h3{margin:14px 0 6px;font-size:17px}
.sheet p{margin:6px 0;line-height:1.4}
.sheet .x{position:absolute;right:10px;top:10px}
.sheet .row{margin-top:14px}
.sub{text-align:center;opacity:.92;font-weight:600}
.stars{display:flex;justify-content:center;gap:4px;font-size:44px}
.stars i{font-style:normal;filter:grayscale(1) brightness(.5)}
.stars i.on{filter:none;animation:starin .5s cubic-bezier(.2,.9,.3,1.5) both}
.stars i:nth-child(2).on{animation-delay:.15s}
.stars i:nth-child(3).on{animation-delay:.3s}
@keyframes starin{from{transform:scale(0) rotate(-90deg)}}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:10px 0}
.stats div{background:rgba(255,255,255,.1);border-radius:14px;padding:6px 4px;text-align:center}
.stats b{display:block;font-size:22px}
.stats span{font-size:12px;opacity:.85}
.rule{background:rgba(255,255,255,.1);border-radius:16px;padding:10px 12px;margin:8px 0;line-height:1.45}
.rule b{color:var(--gold)}
.how li{margin:6px 0;line-height:1.35}
.tabs{display:flex;gap:5px;justify-content:center;margin-bottom:10px;flex-wrap:wrap}
.tabs button{border:2px solid rgba(255,255,255,.4);background:transparent;border-radius:999px;padding:5px 10px;font-weight:700;cursor:pointer;font-size:18px}
.tabs button.on{background:#fff;color:#2a1670}
.book{display:grid;grid-template-columns:repeat(auto-fill,minmax(70px,1fr));gap:6px}
.book button{border:2px solid rgba(255,255,255,.3);border-radius:14px;background:rgba(255,255,255,.08);padding:5px 3px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11.5px;font-weight:600;line-height:1.1;min-height:78px}
.book button img{width:38px;height:38px}
.book button.off{opacity:.4}
.book button.off img{filter:grayscale(1) brightness(.4)}
.book .open{grid-column:1/-1;background:rgba(255,255,255,.12);border-radius:14px;padding:8px 10px;font-size:14px;line-height:1.35}
.medals{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.medals div{display:flex;gap:8px;align-items:center;background:rgba(255,255,255,.08);border-radius:14px;padding:6px 8px;font-size:13.5px;line-height:1.2}
.medals i{font-style:normal;font-size:28px}
.medals div.off{opacity:.45}
.medals div.off i{filter:grayscale(1)}
.newbook{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin:6px 0}
.newbook img{width:36px;height:36px;animation:pop .4s both}
.toastmsg{position:fixed;z-index:70;left:50%;top:calc(70px + env(safe-area-inset-top,0px));transform:translateX(-50%);background:var(--gold);color:#4a2000;font-weight:700;border-radius:999px;padding:8px 16px;box-shadow:0 8px 20px rgba(0,0,0,.35);animation:pop .3s both;max-width:92vw;text-align:center}
@media (min-width:760px){
  .panel{margin-bottom:14px}
}
@media (max-height:620px){
  .method{display:none}
  .q img{width:40px;height:40px}
  .op{min-height:44px;padding:6px 10px}
  .menu-stage{min-height:20px}
  .title{font-size:44px}
}