:root{--ink:#fff;--navy:#1b1440;--teal:#2ec4b6;--gold:#ffc94a;--purple:#8b5cf6;--pink:#ff6fb5;--card:rgba(20,14,52,.82)}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--navy);color:var(--ink);font-family:"Trebuchet MS","Avenir Next",system-ui,-apple-system,sans-serif;-webkit-text-size-adjust:100%}
body{overflow-x:hidden;min-height:100dvh}
button{font:inherit;color:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}
button:focus-visible,input:focus-visible{outline:4px solid var(--gold);outline-offset:3px}
.bg{position:fixed;inset:0;background:#1b1440 center/cover no-repeat;transition:opacity .5s, transform 8s ease-out;z-index:0}
.bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,6,30,.35) 0%,rgba(10,6,30,0) 25%,rgba(10,6,30,.15) 50%,rgba(10,6,30,.85) 100%)}
.bg.zoom{transform:scale(1.08)}
.flash{position:fixed;inset:0;background:radial-gradient(circle,#fff 0%,#ffe9a8 30%,#ff8ad8 60%,#7b5cff 100%);opacity:0;pointer-events:none;z-index:50;transition:opacity .35s}
.flash.on{opacity:1}
.topbar{position:fixed;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;gap:8px;padding:calc(10px + env(safe-area-inset-top)) 12px 10px;z-index:20}
.chip{min-height:48px;min-width:48px;padding:8px 14px;border-radius:999px;border:2px solid rgba(255,255,255,.35);background:rgba(20,14,52,.65);font-size:17px;font-weight:700;backdrop-filter:blur(6px)}
.chip[aria-pressed="false"]{opacity:.6}
.planks{display:flex;gap:6px}
.planks span{width:30px;height:16px;border-radius:4px;background:rgba(255,255,255,.18);border:2px solid rgba(255,255,255,.4)}
.planks span.on{background:linear-gradient(90deg,var(--gold),#ffe28a);border-color:#fff;box-shadow:0 0 12px var(--gold)}
.stage{position:relative;z-index:10;min-height:100dvh;display:flex;flex-direction:column;justify-content:flex-end;padding:76px 14px calc(18px + env(safe-area-inset-bottom));max-width:560px;margin:0 auto}
.card{background:var(--card);border:2px solid rgba(255,255,255,.18);border-radius:26px;padding:18px 18px 16px;box-shadow:0 10px 40px rgba(0,0,0,.45);backdrop-filter:blur(8px);animation:rise .45s ease-out}
@keyframes rise{from{transform:translateY(24px);opacity:0}to{transform:none;opacity:1}}
.say{font-size:23px;line-height:1.38;margin:0 0 14px;font-weight:600}
.say b{color:var(--gold)}
.small{font-size:18px;opacity:.9}
h1{font-size:30px;margin:0 0 6px;line-height:1.15;color:var(--gold);text-shadow:0 2px 0 #6b2fbf}
h2{font-size:25px;margin:0 0 10px;color:var(--gold)}
.btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:68px;margin-top:12px;padding:12px 18px;border:0;border-radius:22px;font-size:24px;font-weight:800;color:#2a1660;background:linear-gradient(180deg,#ffe07a,#ffb938);box-shadow:0 6px 0 #c47a12,0 10px 24px rgba(0,0,0,.35);transition:transform .08s}
.btn:active{transform:translateY(4px);box-shadow:0 2px 0 #c47a12}
.btn.alt{color:#fff;background:linear-gradient(180deg,#a78bfa,#7c3aed);box-shadow:0 6px 0 #4c1d95,0 10px 24px rgba(0,0,0,.35)}
.btn.teal{color:#06313a;background:linear-gradient(180deg,#7ff0e1,#2ec4b6);box-shadow:0 6px 0 #11796f,0 10px 24px rgba(0,0,0,.35)}
.btn.ghost{background:rgba(255,255,255,.12);color:#fff;box-shadow:none;border:2px solid rgba(255,255,255,.35);min-height:56px;font-size:20px}
.btn[disabled]{opacity:.45}
.logo{display:block;width:min(88%,420px);margin:0 auto 6px;filter:drop-shadow(0 4px 14px rgba(0,0,0,.6))}
.titlewrap{flex:1;display:flex;flex-direction:column;justify-content:center;text-align:center}
.lvl{display:inline-block;margin:6px auto 0;padding:8px 16px;border-radius:999px;background:rgba(20,14,52,.75);font-size:20px;font-weight:800;color:var(--gold)}
.heroes{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hero{border:4px solid rgba(255,255,255,.3);border-radius:22px;padding:0 0 10px;background:rgba(20,14,52,.85);text-align:center;font-size:24px;font-weight:800}
.heroimg{display:block;width:100%;border-radius:18px 18px 0 0;height:clamp(170px,28dvh,260px);background:#2a1d66 50% 20%/cover no-repeat}
.hero span{display:block;margin-top:8px}
.hero small{display:block;font-size:16px;font-weight:600;opacity:.85;padding:2px 6px 0}
.hero:active,.hero:focus-visible{border-color:var(--gold)}
.pixrow{display:flex;gap:12px;align-items:flex-start;margin-bottom:12px}
.pixav{flex:0 0 74px;width:74px;height:74px;border-radius:50%;filter:drop-shadow(0 0 12px rgba(255,201,74,.8));animation:bob 2.4s ease-in-out infinite}
.pixav.big{flex-basis:120px;width:120px;height:120px}
.pixav.spin{animation:spin 1s ease-in-out}
@keyframes bob{50%{transform:translateY(-7px)}}
@keyframes spin{to{transform:rotate(360deg)}}
.bubble{position:relative;background:#fff;color:#241552;border-radius:20px;padding:12px 14px;font-size:21px;line-height:1.35;font-weight:700}
.bubble .again{display:inline-block;margin-left:6px;border:0;background:#efe9ff;border-radius:12px;min-width:40px;min-height:36px;font-size:16px}
.countbtn{font-size:56px;min-height:120px}
.choices{display:grid;gap:10px}
.trackwrap{display:flex;justify-content:center;margin:6px 0 14px}.track{display:flex;gap:6px;position:relative}
.tile{position:relative;width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px}
.tile.stone{background:linear-gradient(180deg,#b9a7ff,#6d55d9);box-shadow:inset 0 -5px 0 rgba(0,0,0,.25),0 0 10px rgba(167,139,250,.6)}
.tile.gap{background:repeating-linear-gradient(45deg,rgba(255,255,255,.08) 0 6px,rgba(255,255,255,.02) 6px 12px);border:2px dashed rgba(255,255,255,.45)}
.tile.goal{background:linear-gradient(180deg,#ffe58a,#ffb938);box-shadow:0 0 16px var(--gold)}
.token{position:absolute;top:-6px;left:0;width:46px;height:46px;border-radius:50%;border:3px solid #fff;object-fit:cover;object-position:50% 20%;transition:transform .45s cubic-bezier(.3,1.4,.6,1);z-index:2;box-shadow:0 4px 10px rgba(0,0,0,.5)}
.token.fall{transition:transform .6s ease-in,opacity .6s;opacity:0}
.slots{display:flex;gap:8px;justify-content:center;margin-bottom:8px}
.slot{flex:1;max-width:120px;min-height:64px;border-radius:16px;border:3px dashed rgba(255,255,255,.5);background:rgba(255,255,255,.08);font-size:20px;font-weight:800}
.slot.full{border-style:solid;border-color:var(--teal);background:rgba(46,196,182,.25)}
.slot.run{background:var(--gold);color:#2a1660}
.palette{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.palette .btn{margin-top:0}
.row2{display:grid;grid-template-columns:1fr 2fr;gap:10px}
.lanterns{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin:4px 0 14px}
.lan{width:44px;height:56px;border-radius:14px 14px 20px 20px;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:900;background:rgba(255,255,255,.12);border:2px solid rgba(255,255,255,.35);color:#fff}
.lan.lit{background:radial-gradient(circle at 50% 40%,#fff6c7,#ffc94a 60%,#e38b0b);color:#3a1d00;box-shadow:0 0 18px #ffc94a}
.lan.ask{border:3px dashed var(--gold);animation:pulse 1.2s infinite}
@keyframes pulse{50%{box-shadow:0 0 18px var(--gold)}}
.opts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.opts .btn{margin-top:0;font-size:34px;min-height:80px}
.seq{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:4px 0 14px}
.gem{width:44px;height:44px;display:flex;align-items:center;justify-content:center;font-size:30px}
.gem i{display:block;width:30px;height:30px;transform:rotate(45deg);border-radius:6px;box-shadow:inset -5px -5px 0 rgba(0,0,0,.18),0 0 12px currentColor}
.gem.q{border:3px dashed var(--gold);border-radius:12px;font-size:26px;font-weight:900;color:var(--gold)}
.c-purple{background:#a855f7;color:#a855f7}.c-teal{background:#2ec4b6;color:#2ec4b6}.c-gold{background:#ffc94a;color:#ffc94a}
.optgem{display:flex;align-items:center;justify-content:center}
.planklist{display:grid;gap:10px}
.planklist .btn{justify-content:flex-start;text-align:left;font-size:21px}
.planklist .btn.done{background:linear-gradient(180deg,#9ff7c8,#34d399);box-shadow:0 6px 0 #0f7a52}
.bridge{display:flex;justify-content:center;gap:4px;margin:0 0 12px}
.bridge span{width:70px;height:22px;border-radius:6px;background:rgba(255,255,255,.12);border:2px dashed rgba(255,255,255,.5)}
.bridge span.on{background:linear-gradient(180deg,#ffe58a,#d99a1c);border:2px solid #fff;box-shadow:0 0 14px var(--gold);animation:pop .5s}
@keyframes pop{0%{transform:scale(.2)}70%{transform:scale(1.2)}100%{transform:none}}
.crossing{position:relative;height:84px;margin:0 0 12px}
.crossing .deck{position:absolute;left:0;right:0;top:46px;height:20px;border-radius:8px;background:linear-gradient(90deg,#ffe58a,#d99a1c,#ffe58a);box-shadow:0 0 16px var(--gold)}
.crossing img{position:absolute;left:0;top:0;width:56px;height:56px;border-radius:50%;border:3px solid #fff;object-fit:cover;object-position:50% 20%;transition:left 3s ease-in-out}
.crossing img.go{left:calc(100% - 56px)}
.badge{display:block;margin:0 auto 10px;width:130px;height:130px;border-radius:50%;background:radial-gradient(circle,#fff3b0,#ffc94a 55%,#e08a00);color:#3a1d00;display:flex;align-items:center;justify-content:center;flex-direction:column;font-weight:900;font-size:18px;text-align:center;box-shadow:0 0 30px #ffc94a;animation:pop .7s}
.badge b{font-size:46px;line-height:1}
.confetti{position:fixed;inset:0;pointer-events:none;z-index:40;overflow:hidden}
.confetti i{position:absolute;top:-20px;width:10px;height:16px;border-radius:3px;animation:fall linear forwards}
@keyframes fall{to{transform:translateY(110vh) rotate(720deg)}}
.shake{animation:shake .4s}
@keyframes shake{25%{transform:translateX(-8px)}75%{transform:translateX(8px)}}
.pixfab{position:fixed;right:12px;bottom:calc(14px + env(safe-area-inset-bottom));z-index:30;display:none;align-items:center;gap:6px;padding:6px 14px 6px 6px;min-height:64px;border-radius:999px;border:3px solid var(--gold);background:rgba(20,14,52,.9);font-size:18px;font-weight:800;box-shadow:0 6px 20px rgba(0,0,0,.5)}
.pixfab:not([hidden]){display:flex}
.pixfab img{width:52px;height:52px;border-radius:50%}
.stage.withfab{padding-bottom:calc(92px + env(safe-area-inset-bottom))}
.chat{position:fixed;left:0;right:0;bottom:0;z-index:60;max-width:560px;margin:0 auto;height:min(78dvh,620px);display:flex;flex-direction:column;background:#21184f;border-radius:26px 26px 0 0;border:2px solid rgba(255,255,255,.2);box-shadow:0 -10px 40px rgba(0,0,0,.6);padding:12px 12px calc(10px + env(safe-area-inset-bottom));animation:rise .3s}
.chat[hidden]{display:none}
.chathead{display:flex;align-items:center;gap:10px;font-size:21px}
.chathead img{width:48px;height:48px;border-radius:50%}
.chathead strong{flex:1}
.chatlog{flex:1;overflow-y:auto;padding:10px 2px;display:flex;flex-direction:column;gap:8px}
.msg{max-width:84%;padding:10px 14px;border-radius:18px;font-size:20px;line-height:1.35;font-weight:600}
.msg.pix{align-self:flex-start;background:#fff;color:#241552;border-bottom-left-radius:4px}
.msg.kid{align-self:flex-end;background:var(--teal);color:#06313a;border-bottom-right-radius:4px}
.dots span{display:inline-block;width:9px;height:9px;margin:0 2px;border-radius:50%;background:#7c3aed;animation:blink 1s infinite}
.dots span:nth-child(2){animation-delay:.2s}.dots span:nth-child(3){animation-delay:.4s}
@keyframes blink{50%{opacity:.2}}
.chatform{display:flex;gap:8px}
.chatform input{flex:1;min-width:0;min-height:56px;border-radius:18px;border:2px solid rgba(255,255,255,.4);background:#fff;color:#241552;font-size:19px;padding:0 14px}
.mic,.send{min-width:56px;min-height:56px;border-radius:18px;border:0;font-size:24px;background:var(--gold);color:#2a1660}
.mic.on{background:var(--pink)}
.safe{margin:8px 2px 0;font-size:14px;opacity:.75;text-align:center}
.quick{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}
.quick button{min-height:44px;border-radius:999px;border:2px solid rgba(255,255,255,.35);background:rgba(255,255,255,.1);font-size:16px;font-weight:700;padding:6px 12px}
@media (min-width:700px){.say{font-size:24px}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.btn.done[disabled]{opacity:1}
.planks[hidden]{display:none}
.round{display:inline-block;vertical-align:middle;margin-left:4px;padding:3px 10px;border-radius:999px;background:rgba(255,255,255,.14);color:#fff;font-size:15px;font-weight:700;white-space:nowrap}
.winhead{display:flex;align-items:center;gap:14px;margin-bottom:10px}
.winhead .badge{flex:0 0 96px;width:96px;height:96px;margin:0;font-size:14px}
.winhead .badge b{font-size:34px}
.winhead h1{margin:0;font-size:34px}

/* ---------- levels 2 to 4 ---------- */
.tiny{font-size:.85rem;opacity:.8;text-align:center;margin:.4rem 0 0}
.mapnodes{display:flex;flex-direction:column;gap:10px;margin:.6rem 0}
.node{display:flex;align-items:center;gap:12px;width:100%;min-height:72px;padding:10px 14px;border-radius:20px;border:3px solid rgba(255,255,255,.25);background:rgba(255,255,255,.1);text-align:left;color:#fff;position:relative}
.node .num{flex:none;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;font-size:1.6rem;background:rgba(0,0,0,.25)}
.node .nt{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0}
.node .nt b{font-size:1.05rem;line-height:1.2}
.node .nt small{font-size:.85rem;opacity:.85;line-height:1.25}
.node .st{flex:none;font-size:1.4rem}
.node.open{border-color:var(--gold);background:linear-gradient(135deg,rgba(255,201,74,.3),rgba(46,196,182,.25));box-shadow:0 0 18px rgba(255,201,74,.45);animation:pulse 2s ease-in-out infinite}
.node.done{border-color:var(--teal);background:rgba(46,196,182,.22)}
.node.locked{opacity:.6;filter:grayscale(.5)}
.node.soon{opacity:.75;border-style:dashed}
@keyframes pulse{50%{box-shadow:0 0 28px rgba(255,201,74,.75)}}
.bridge.towers span.on{background:linear-gradient(180deg,#c9fff9,#2ec4b6);box-shadow:0 0 14px #2ec4b6}
.bridge.tiles span.on{background:linear-gradient(180deg,#bfe3ff,#3b82f6);box-shadow:0 0 14px #60a5fa}
.bridge.locks span.on{background:linear-gradient(180deg,#fff2c4,#ffc94a);box-shadow:0 0 14px #ffc94a}
/* beams */
.beamwrap{position:relative;width:296px;height:296px;margin:.6rem auto}
.beamgrid{display:grid;grid-template-columns:repeat(5,56px);grid-auto-rows:56px;gap:4px}
.cell{border-radius:12px;background:rgba(255,255,255,.08);border:2px solid rgba(255,255,255,.12);display:grid;place-items:center;font-size:1.7rem;padding:0;position:relative}
.cell.src{background:rgba(255,201,74,.25);border-color:var(--gold)}
.cell.tgt{background:rgba(46,196,182,.18);border-color:var(--teal)}
.cell.tgt.lit{background:rgba(46,196,182,.6);box-shadow:0 0 24px #2ec4b6;animation:pop .5s}
.cell.rock{background:rgba(0,0,0,.45);border-color:rgba(255,255,255,.25)}
.cell.mir{background:rgba(139,92,246,.28);border-color:#b79cff;cursor:pointer}
.mbar{display:block;width:70%;height:8px;border-radius:4px;background:linear-gradient(90deg,#fff,#c9fff9);box-shadow:0 0 10px #fff;transition:transform .25s}
.mir.fs .mbar{transform:rotate(-45deg)}
.mir.bs .mbar{transform:rotate(45deg)}
.beamsvg{position:absolute;inset:0;width:296px;height:296px;pointer-events:none}
.beamsvg polyline{fill:none;stroke:#fff6c2;stroke-width:7;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 0 6px #ffc94a);stroke-dasharray:2000;stroke-dashoffset:2000;opacity:0}
.beamsvg polyline.on{opacity:1;stroke-dashoffset:0;transition:stroke-dashoffset .85s linear}
/* loop stairs */
.stairs{position:relative;height:118px;margin:.5rem auto .2rem}
.stair{position:absolute;width:28px;height:28px;border-radius:7px;display:grid;place-items:center;font-size:1rem}
.stair.stone{background:linear-gradient(180deg,#d8fbff,#57c7d9);box-shadow:0 0 8px rgba(46,196,182,.7)}
.stair.gap{background:transparent;border:2px dashed rgba(255,255,255,.35)}
.stair.goal{background:rgba(255,201,74,.35);border:2px solid var(--gold)}
.stair.goal.lit{box-shadow:0 0 22px var(--gold);animation:pop .5s}
.token.stok{position:absolute;top:auto;width:34px;height:34px;transition:left .4s ease,bottom .4s ease;transform:none}
.token.stok.fall{transition:bottom .6s ease-in,opacity .6s;bottom:-30px!important;opacity:.2}
.longcode{text-align:center;margin:.2rem 0;font-size:1rem;opacity:.9}
.loopbox{border:3px solid var(--purple);border-radius:18px;padding:10px;background:rgba(139,92,246,.18);margin:.5rem 0}
.loophead{display:flex;align-items:center;justify-content:center;gap:5px;font-weight:700;font-size:1rem;flex-wrap:nowrap;white-space:nowrap}
.nbtn{min-width:46px;min-height:46px;padding:0;border-radius:14px;border:3px solid rgba(255,255,255,.4);background:rgba(255,255,255,.1);font-size:1.3rem;font-weight:800}
.nbtn.sel{background:var(--gold);color:#2a1a00;border-color:#fff}
.loopbox .slots{margin-top:8px}
/* groups */
.lgroups{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:.6rem 0}
.lgroup{min-width:62px;min-height:84px;padding:8px 6px;border-radius:18px 18px 26px 26px;border:3px solid rgba(255,201,74,.7);background:rgba(255,201,74,.12);display:grid;place-items:center}
button.lgroup{cursor:pointer}
.lglass{display:flex;flex-direction:column-reverse;gap:4px;align-items:center}
.lglass i{width:22px;height:14px;border-radius:4px;border:2px dashed rgba(255,255,255,.35);transform:rotate(0)}
.lglass i.on{border:0;background:linear-gradient(135deg,#e0fffb,#2ec4b6);box-shadow:0 0 8px #2ec4b6;animation:pop .3s}
.eq{text-align:center;font-size:1.6rem;font-weight:800;margin:.3rem 0;color:var(--gold)}
.pile{text-align:center;font-size:1.25rem;letter-spacing:2px;line-height:1.5;transition:opacity .8s}
.pile.gone{opacity:.15}
.btn.right{background:linear-gradient(180deg,#7ef0c8,#2ec4b6)!important;color:#082a26}
/* rush */
.score{text-align:center;font-weight:800;font-size:1.3rem;margin:.3rem 0}
.rush{position:relative;height:300px;border-radius:20px;overflow:hidden;background:linear-gradient(180deg,rgba(46,196,182,.12),rgba(139,92,246,.25));border:2px solid rgba(255,255,255,.2);touch-action:manipulation}
.fgem{position:absolute;top:-64px;width:60px;height:60px;border:0;background:radial-gradient(circle,rgba(255,255,255,.35),transparent 70%);font-size:2.2rem;border-radius:50%;animation:fall 3.4s linear forwards;padding:0}
.fgem.pop{animation:none;transform:scale(1.6);opacity:0;transition:transform .25s,opacity .25s}
@keyframes fall{to{transform:translateY(380px)}}
/* sliding tiles */
.slide{display:grid;grid-template-columns:repeat(3,92px);grid-auto-rows:92px;gap:6px;justify-content:center;margin:.6rem auto}
.stile{border:3px solid rgba(255,255,255,.6);border-radius:14px;background-image:url(img/l3-board.webp);background-size:300% 300%;position:relative;padding:0;box-shadow:0 4px 10px rgba(0,0,0,.35)}
.stile b{position:absolute;top:6px;left:8px;font-size:1.6rem;background:rgba(20,14,52,.75);border-radius:10px;padding:0 9px;line-height:1.4}
.stile.empty{background:rgba(0,0,0,.25);border:3px dashed rgba(255,255,255,.25);box-shadow:none}
.stile.glow{outline:4px solid var(--gold);box-shadow:0 0 22px var(--gold);animation:pulse 1s infinite}
.slide.solved .stile{border-color:#7fd3ff;box-shadow:0 0 16px #60a5fa}
.moves{align-self:center;font-weight:700}
/* if-then */
.rules{background:rgba(0,0,0,.3);border:2px solid rgba(255,255,255,.25);border-radius:16px;padding:8px 12px;margin:.5rem 0;font-size:1.05rem;line-height:1.6}
.rules b{color:var(--gold)}
.gatebox{display:flex;flex-direction:column;align-items:center;gap:6px;margin:.4rem 0}
.biggem{width:96px;height:96px;border-radius:50%;display:grid;place-items:center;font-size:3.6rem;background:rgba(255,255,255,.12);border:3px solid rgba(255,255,255,.4)}
.biggem.pop{animation:pop .35s}
.tbar{width:80%;height:10px;border-radius:6px;background:rgba(255,255,255,.18);overflow:hidden}
.tbar i{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--teal),var(--gold))}
.dots{display:flex;gap:6px}
.dots span{width:16px;height:16px;border-radius:50%;background:rgba(255,255,255,.2)}
.dots span.on{background:var(--gold);box-shadow:0 0 8px var(--gold)}
.paths{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.paths .btn{flex:1 1 28%;min-width:96px;padding-left:8px;padding-right:8px}
.paths.two .btn{flex:1 1 45%}
.switches{display:flex;gap:12px;justify-content:center;margin:.5rem 0}
.sw{min-width:120px;min-height:64px;border-radius:18px;border:3px solid rgba(255,255,255,.4);background:rgba(0,0,0,.3);font-size:1.4rem}
.sw.onn{background:linear-gradient(180deg,#ffe28a,#ffc94a);color:#2a1a00;border-color:#fff}
.lbridge{height:22px;border-radius:12px;margin:.6rem 10%;background:rgba(255,255,255,.12);border:2px solid rgba(255,255,255,.3);transition:all .4s}
.lbridge.lit{background:linear-gradient(90deg,#ffc94a,#fff6c2,#2ec4b6);box-shadow:0 0 22px #ffc94a}
.numrow{display:flex;justify-content:center;gap:8px;margin:.7rem 0;flex-wrap:wrap}
.ntile{min-width:54px;height:62px;padding:0 6px;border-radius:14px;display:grid;place-items:center;font-size:1.6rem;font-weight:800;background:linear-gradient(180deg,rgba(96,165,250,.45),rgba(59,130,246,.25));border:3px solid #7fd3ff}
.ntile.ask{background:rgba(255,111,181,.25);border:3px dashed var(--pink);animation:pulse 1.4s infinite}
.ntile.lit{background:linear-gradient(180deg,#ffe28a,#ffc94a);color:#2a1a00;animation:pop .4s}
/* calm board */
.meter{height:14px;border-radius:8px;background:rgba(255,255,255,.18);overflow:hidden;margin:.4rem 0}
.meter i{display:block;height:100%;width:0;background:linear-gradient(90deg,#60a5fa,#2ec4b6);transition:width .3s}
.meter.red i{background:linear-gradient(90deg,#ff6fb5,#a855f7)}
.symgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;max-width:300px;margin:.5rem auto}
.symgrid.six{grid-template-columns:repeat(3,1fr)}
.sym{aspect-ratio:1;border-radius:14px;border:3px solid #7fd3ff;background:rgba(59,130,246,.35);font-size:1.7rem;color:#e6f3ff;padding:0;transition:background .2s,transform .2s}
.sym.big{font-size:2.3rem;min-height:84px;background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.4)}
.sym.pink{background:rgba(255,111,181,.6);border-color:#ffb3d9;animation:wob .5s infinite alternate}
.sym.calmed{transform:scale(1.15);background:rgba(46,196,182,.7)}
.sym.allblue{background:rgba(96,165,250,.7);box-shadow:0 0 14px #60a5fa}
@keyframes wob{from{transform:rotate(-6deg)}to{transform:rotate(6deg)}}
/* level 4 */
.friends{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:.5rem 0}
.friend{background:rgba(0,0,0,.3);border:2px solid rgba(255,255,255,.2);border-radius:14px;padding:8px;display:flex;flex-direction:column;gap:2px}
.friend span{font-size:1.6rem}
.friend small{font-size:.82rem;opacity:.85;line-height:1.25}
.friend:last-child{grid-column:1/-1}
.arena{position:relative;height:270px;border-radius:20px;overflow:hidden;background:radial-gradient(circle at 50% 60%,rgba(46,196,182,.2),rgba(20,14,52,.4));border:2px solid rgba(255,255,255,.2)}
.sprite{position:absolute;left:0;top:0;width:56px;height:56px;border-radius:50% 50% 50% 10%;border:0;padding:0;background:radial-gradient(circle at 40% 40%,#c9f6ff,#3fb8ff 55%,rgba(63,184,255,.2) 75%);box-shadow:0 0 18px #3fb8ff;display:flex;gap:6px;align-items:center;justify-content:center}
.sprite i{width:9px;height:12px;border-radius:50%;background:#0b3a7a;box-shadow:0 0 6px #fff}
.sprite.calm{transition:transform .6s ease;background:radial-gradient(circle at 40% 40%,#fff,#7ef0c8 55%,rgba(126,240,200,.2) 75%);box-shadow:0 0 14px #7ef0c8}
.wave{position:absolute;width:20px;height:20px;margin:-10px 0 0 -10px;border-radius:50%;border:4px solid #c9fff9;animation:wave .7s ease-out forwards;pointer-events:none}
@keyframes wave{to{transform:scale(7);opacity:0}}
.echo{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:300px;margin:.6rem auto}
.estone{min-height:96px;border-radius:30px 30px 22px 22px;border:3px solid rgba(255,255,255,.35);opacity:.55;transition:opacity .15s,transform .15s,box-shadow .15s}
.estone.teal{background:linear-gradient(180deg,#7ef0e4,#16867c)}
.estone.gold{background:linear-gradient(180deg,#ffe8a3,#c98b00)}
.estone.purple{background:linear-gradient(180deg,#d4bbff,#6d3fd1)}
.estone.pink{background:linear-gradient(180deg,#ffc4e2,#d6448c)}
.estone.on{opacity:1;transform:scale(1.06);box-shadow:0 0 28px #fff}
.bossbar{display:flex;align-items:center;gap:8px;font-weight:700}
.bossbar .meter{flex:1;height:16px}
.cavebox{position:relative;height:170px;border-radius:20px;overflow:hidden;background:radial-gradient(circle at 50% 70%,rgba(63,184,255,.25),rgba(10,6,30,.5));border:2px solid rgba(127,211,255,.35);margin:.5rem 0}
.hero4{position:absolute;left:50%;bottom:10px;width:64px;height:64px;margin-left:-32px;border-radius:50%;border:3px solid var(--gold);object-fit:cover}
.bat{position:absolute;top:40px;font-size:2.6rem;line-height:1;filter:drop-shadow(0 0 8px #a855f7)}
.bat.left{left:4px}
.bat.right{right:4px}
.bat.past{opacity:0;transition:opacity .35s}
.wall{position:absolute;top:10px;bottom:10px;width:14px;border-radius:8px;background:linear-gradient(180deg,#c9fff9,#2ec4b6);box-shadow:0 0 24px #2ec4b6;opacity:0;transition:opacity .15s}
.wall.left{left:calc(50% - 64px)}
.wall.right{right:calc(50% - 64px)}
.wall.up{opacity:1}
.door{position:relative;width:160px;height:160px;margin:.3rem auto;border-radius:50%;background:radial-gradient(circle,#5b4a7a 0%,#2b2142 70%);border:5px solid #8f7bb8;box-shadow:0 0 30px rgba(127,211,255,.5),inset 0 0 30px rgba(0,0,0,.6);overflow:hidden}
.door .ring{position:absolute;border-radius:50%;border:3px dotted #7fd3ff;inset:10px;animation:spin 14s linear infinite}
.door .r2{inset:32px;border-color:#ffc94a;animation-direction:reverse;animation-duration:10s}
.door .r3{inset:54px;border-color:#ff6fb5;animation-duration:7s}
.dlocks{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:4px;font-size:1.6rem}
.door.rumble{animation:rumble .15s 4}
.door.opening{box-shadow:0 0 50px #ffc94a}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes rumble{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
.combo{display:flex;justify-content:center;gap:10px;margin:.4rem 0}
.combo span{font-size:2rem;width:58px;height:58px;display:grid;place-items:center;border-radius:14px;background:rgba(0,0,0,.35);border:3px dashed rgba(255,255,255,.4)}
.combo span.on{border:3px solid var(--gold);background:rgba(255,201,74,.35);box-shadow:0 0 14px var(--gold)}
@media (prefers-reduced-motion:reduce){.node.open,.ntile.ask,.sym.pink,.door .ring,.stile.glow{animation:none}}
.row2>:only-child{grid-column:1/-1}
.paths .btn{font-size:19px}
.lockopts .btn{font-size:19px;min-height:60px}
.node:focus-visible{outline:4px solid var(--gold);outline-offset:3px}

.copyline{margin:12px 0 0;text-align:center;font-size:13px;line-height:1.5;opacity:.8;font-weight:600}.copyline a{color:inherit;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.35)}