:root{--ink:#173a48;--muted:#506d77;--teal:#16c9df;--teal-deep:#087989;--teal-ink:#066773;--teal-soft:#e0f6f8;--grape:#8774c9;--grape-deep:#63529d;--grape-soft:#f0ecfb;--coral:#eb7388;--coral-deep:#b62c49;--sun:#ffcf68;--paper:#fffaf0}
*{box-sizing:border-box}html,body{margin:0}body{min-height:100vh;background:radial-gradient(ellipse at top,#f1fcfd,#daf2f5);color:var(--ink);font:18px/1.5 "Segoe UI",Arial,sans-serif}button{font:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.5}button:focus-visible{outline:4px solid #c28a12;outline-offset:5px}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.18;letter-spacing:-.025em}h1{font-size:clamp(40px,5.6vw,62px);font-weight:850}h2{font-size:clamp(27px,3.4vw,34px)}h3{font-size:22px}img{max-width:100%;display:block}img.art{width:100%;height:100%;object-fit:contain}.wrap{max-width:1060px;padding:28px 24px 20px;margin:auto}.screen{display:none}.screen.active{display:block;animation:pop .3s ease-out}.panel{background:#fff;border:1px solid #c9e4e8;border-radius:28px;padding:34px;box-shadow:0 7px 0 #c0dfe5}.center{text-align:center}.muted{color:var(--muted)}.eyebrow,.lab{display:block;font-size:13px;font-weight:800;letter-spacing:.11em;color:var(--teal-ink)}.eyebrow{margin-bottom:12px}.lede{font-size:20px;margin:16px auto 26px;max-width:780px;color:var(--muted)}.section-action{margin-top:28px}.btn{border:0;border-radius:17px;padding:15px 26px;font-size:20px;font-weight:800;line-height:1.2;background:var(--teal-deep);color:white;box-shadow:0 6px 0 #045460;transition:transform .1s,box-shadow .1s;min-height:54px}.btn:active{transform:translateY(4px);box-shadow:0 2px 0 #045460}.btn.sun{background:var(--sun);color:#4d390e;box-shadow:0 6px 0 #d5a340}footer{text-align:center;color:var(--muted);font-size:13px;margin-top:27px}.round-tag{display:table;margin:0 auto 20px;padding:6px 15px;border-radius:20px;background:var(--teal-soft);color:var(--teal-ink);font-size:13px;font-weight:800;letter-spacing:.08em}.round-tag.two{background:var(--grape-soft);color:var(--grape-deep)}
/* Generated clay character layers; 1/2/3 eyes remain exact and countable. */
.mon{position:relative;display:inline-block;width:120px;aspect-ratio:3/4;flex:none;vertical-align:bottom}.mon img{pointer-events:none;user-select:none}.mon .skin{position:absolute;inset:0}.mon .body{position:absolute;left:0;top:23%;width:100%;height:76%;object-fit:fill}.mon.tall .body{left:7%;top:15%;width:86%;height:84%}.mon .horns{position:absolute;left:16%;top:13%;width:68%;height:26%;object-fit:fill}.mon.tall .horns{left:20%;top:6%;width:60%;height:27%}.mon .eyes{position:absolute;left:20%;top:43%;width:60%;display:flex;justify-content:center;gap:6%;align-items:center;animation:blink 4.2s infinite;transform-origin:center}.mon .eye{flex:none;width:41%;height:auto;aspect-ratio:1}.mon .eyes-1 .eye{width:59%}.mon .eyes-3{left:17%;width:66%;gap:2%}.mon .eyes-3 .eye{width:31%}.mon .eyes-3 .eye-1{transform:translateY(-22%)}.mon .mouth{position:absolute;width:28%;height:12%;left:36%;top:64%;object-fit:contain}.mon.tall .eyes{top:36%}.mon.tall .mouth{top:56%}.mon .hat{position:absolute;object-fit:fill}.mon.has-party .hat{width:34%;height:33%;left:33%;top:0}.mon.has-top .hat{width:42%;height:29%;left:29%;top:4%}.mon.tall.has-party .hat{top:-5%;height:32%}.mon.tall.has-top .hat{top:-3%;height:29%}.mon.has-viking .hat{width:94%;height:37%;left:3%;top:9%}.mon.has-viking .eyes{top:48%}.mon.tall.has-viking .hat{width:85%;left:7.5%;top:2%}.mon.tall.has-viking .eyes{top:40%}.mon .spot{position:absolute;width:14%;height:10%;object-fit:fill}.mon .spot-1{left:28%;top:77%}.mon .spot-2{left:62%;top:73%;width:16%;height:12%}.mon .spot-3{left:43%;top:84%;width:11%;height:8%}.mon .spot-4{left:61%;top:87%;width:9%;height:6%}.mon.tall .spot-1{top:71%;left:30%}.mon.tall .spot-2{top:69%;left:57%}.mon.tall .spot-3{top:80%}.mon.tall .spot-4{top:82%;left:60%}.color-coral .skin{filter:hue-rotate(165deg) saturate(.8) brightness(1.12)}.color-grape .skin{filter:hue-rotate(73deg) saturate(.55) brightness(1.05)}.color-sun .skin{filter:hue-rotate(222deg) saturate(.85) brightness(1.38)}.color-sky .skin{filter:hue-rotate(22deg) saturate(.75)}.color-lime .skin{filter:hue-rotate(265deg) saturate(.8) brightness(1.22)}.color-orange .skin{filter:hue-rotate(196deg) saturate(.8) brightness(1.28)}.color-pink .skin{filter:hue-rotate(129deg) saturate(.6) brightness(1.32)}
/* Welcome and lesson image */
.cover-copy{text-align:center;margin:2px auto 24px}.cover-copy p{font-size:21px;margin-top:16px;line-height:1.5}.cover-scene{position:relative;max-width:820px;aspect-ratio:2.7;margin:auto;border-radius:25px;overflow:hidden;box-shadow:0 7px 0 #aacdd5}.scene-art{width:100%;height:100%;object-fit:fill;position:absolute;inset:0}.club-sign{position:absolute;left:7%;top:12%;width:29%;text-align:center;color:#e2fcfb;font-size:clamp(11px,1.8vw,18px);font-weight:900;letter-spacing:.01em;text-shadow:0 2px 2px #00516a}.cover-scene .club-sign{top:12%;font-size:16px}#title-mons{position:absolute;left:37%;bottom:13%;width:60%;height:83%;display:flex;align-items:flex-end;gap:0}#title-mons>.mon{width:25%}#title-mons>.mon:nth-child(2n){animation:bob 2.4s ease-in-out infinite}.cover-action{margin-top:26px}.cover-action p{font-size:15px;margin-top:15px}.twokinds{margin:30px auto;max-width:690px}.twokinds>img{width:100%;border-radius:18px}.tk-row{display:grid;grid-template-columns:1fr 1fr;text-align:center;gap:20px;margin-top:18px}.tk-row>div{padding:12px;background:var(--teal-soft);border-radius:14px;font-size:18px}.tk-row>div+div{background:var(--grape-soft)}.intro-rounds{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:32px 0}.step{display:flex;gap:22px;background:#f0f8f9;border-radius:22px;padding:25px;align-items:center}.step:nth-child(2){background:#f4f1fc}.step-art{width:80px;height:100px;flex:none}.step .eyebrow{font-size:11px;letter-spacing:.06em;margin-bottom:9px}.step p{margin-top:12px;font-size:18px}.kbd-hint{font-size:15px;color:var(--muted);margin-top:21px}.inter{max-width:760px;margin:8px auto}.inter h2{text-align:center}.inter>p{margin:24px auto;text-align:center;font-size:20px;max-width:630px}.bigrule{background:var(--paper);border:2px solid #edddb7;border-radius:19px;max-width:520px;padding:25px;margin:30px auto}.bigrule .lab{margin-bottom:12px}.bigrule .line{font-size:26px;font-weight:750;line-height:1.6}.word-in{color:var(--teal-deep)}.word-out{color:var(--coral-deep)}.flow{display:flex;align-items:center;gap:14px;margin:30px auto;max-width:620px}.flow .box{flex:1;min-width:0;text-align:center;border-radius:17px;background:#f1f8fa;padding:14px 10px}.flow-art{height:96px;display:flex;align-items:center;justify-content:center;margin-bottom:10px;gap:5px}.flow-art .mon{width:66px}.flow-art>.art{width:78px;height:90px}.flow b{display:block;font-size:18px}.flow .box>span{display:block;font-size:15px;color:var(--muted);margin-top:4px}.arr{font-size:26px}.flow #flow-out{flex-direction:column}.decision-tag{padding:4px 13px;border-radius:9px;font-size:18px;font-weight:850;background:var(--teal-soft);color:var(--teal-deep)}.decision-tag.out{background:#fce6ed;color:var(--coral-deep)}.timing-note{font-size:17px!important;color:var(--muted)}.big-ico{width:130px;height:140px;margin:0 auto 24px}.big-ico.machine-intro{height:180px;width:130px}.r2steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:30px 0}.r2steps>div{padding:20px 16px;background:var(--grape-soft);border-radius:18px;font-size:17px;text-align:center}.r2steps b{display:block;font-size:20px;margin-bottom:10px}.result-count{background:var(--teal-soft);border-radius:16px;padding:16px;font-weight:750}
/* Door gameplay: the original clocks, entrance/exit, decision locks and feedback. */
#s-game{max-width:min(850px,max(640px,calc((100svh - 260px)*1.6)));margin:auto}.hud{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:14px}.pill{background:white;border:1px solid #b4d9df;color:var(--ink);border-radius:20px;padding:5px 11px;font-size:14px;font-weight:750;white-space:nowrap}.pill.score{background:#ffdf90;border-color:#eccc8d}.pill.streak.hot{background:#fbd1db;animation:throb .7s ease-in-out infinite alternate}.spacer{flex:1}.icon-btn{width:43px;height:40px;display:grid;place-items:center;background:white;border:1px solid #acd6dd;border-radius:13px;color:var(--teal-ink)}.dots{display:flex;gap:4px}.dot{width:8px;height:8px;border-radius:50%;background:#b8d5dc}.dot.ok{background:var(--teal-deep)}.dot.bad{background:var(--coral-deep)}.dot.now{outline:2px solid var(--ink);outline-offset:1px}.rulecard{position:relative;padding:13px 18px 14px 70px;background:white;border:1px solid #bedde2;border-radius:18px;margin-bottom:16px;min-height:80px;box-shadow:0 4px 0 #bfdde2;display:flex;flex-direction:column;justify-content:center;gap:5px}.rulecard .ico{position:absolute;left:16px;top:14px;width:42px;height:52px}.rulecard .lab{font-size:11px;letter-spacing:.08em}.rulecard .txt{font-size:19px;font-weight:750;line-height:1.3}.rulecard.none{background:#f6f2ff;border-color:#d5cce9}.rulecard.none .lab{color:var(--grape-deep)}.rulecard.fixed .txt{animation:fixflash 1.2s}.scene{position:relative;aspect-ratio:1.6;border-radius:22px;overflow:hidden;perspective:900px;background:#2b8eab;box-shadow:0 6px 0 #8db9c3}.door{position:absolute;left:7%;top:26%;width:27%;height:50%;transform-origin:12% center;transition:transform .45s cubic-bezier(.3,.7,.3,1)}.door>img:first-child{width:100%;height:100%;object-fit:fill}.door .mini-card{position:absolute;left:34%;top:50%;width:30%;height:24%;object-fit:contain}.door.open{transform:rotateY(-72deg)}.door.nocard .mini-card{display:none}#door-machine{position:absolute;left:31%;bottom:20%;width:15%;height:37%}.kiosk{width:100%;height:100%;object-fit:contain}.beam{position:absolute;left:72%;top:26%;width:160%;height:69%;background:linear-gradient(90deg,#e0d6ff80,#d6faff05);clip-path:polygon(0 38%,100% 0,100% 100%);opacity:0}#door-machine.scan .beam{opacity:.6;animation:beam .35s infinite alternate}#door-machine.scan .kiosk{animation:scanner .25s infinite alternate}.stage{position:absolute;left:54%;bottom:16%;width:28%;aspect-ratio:3/4;transition:transform .5s cubic-bezier(.34,1.4,.64,1),opacity .45s}.stage .bob{width:100%;height:100%;animation:bob 1.4s ease-in-out infinite}.stage .mon{width:100%;height:100%}.stage.off-right{transform:translateX(160%);opacity:0;transition:none}.stage.go-in{transform:translateX(-170%) scale(.72);opacity:0;transition:transform .6s ease-in,opacity .6s ease-in}.stage.go-out{transform:translateX(170%);opacity:0;transition:transform .55s ease-in,opacity .55s ease-in}.bubble{position:absolute;left:44%;top:8%;max-width:53%;background:white;padding:10px 16px;border-radius:15px;box-shadow:0 4px 0 #0002;font-size:18px;font-weight:750;display:none}.bubble.show{display:block;animation:pop .3s}.stamp{position:absolute;left:49%;bottom:30%;width:37%;text-align:center;pointer-events:none;opacity:0;font-size:clamp(24px,4vw,42px);font-weight:900}.stamp span{display:inline-block;padding:1px 13px;border:4px solid currentColor;border-radius:14px;background:#ffffffed}.stamp.in{color:var(--teal-deep)}.stamp.out{color:var(--coral-deep)}.stamp.hit{animation:stamp .5s cubic-bezier(.2,1.6,.4,1) forwards}.timer{position:absolute;left:51%;bottom:10%;width:33%;height:10px;border-radius:9px;background:#10495a66;overflow:hidden}.timer i{display:block;height:100%;width:100%;background:linear-gradient(90deg,#ffb24b,#ffe8a6);border-radius:9px}.toast{position:absolute;left:38%;right:2%;top:5%;text-align:center;pointer-events:none}.toast span{display:inline-block;background:white;padding:9px 15px;border-radius:15px;box-shadow:0 5px 0 #0002;font-size:17px;font-weight:800;opacity:0}.toast span.show{animation:toast 1.5s ease-out forwards}.toast span.good{border:2px solid var(--teal-deep)}.toast span.bad{border:2px solid var(--coral-deep)}.points{position:absolute;left:64%;bottom:61%;font-size:28px;font-weight:850;color:#ffe38c;text-shadow:0 2px 1px #5c511c;opacity:0;pointer-events:none}.points.show{animation:rise 1s ease-out forwards}.scene.shake{animation:shake .4s}.mdecide{position:absolute;left:33%;top:17%;min-width:25%;display:none;padding:10px 16px;background:white;border:3px solid var(--grape);border-radius:16px;box-shadow:0 5px 0 #0003;text-align:center}.mdecide.show{display:block;animation:pop .3s}.mdecide small{display:block;font-size:11px;font-weight:800;letter-spacing:.04em;color:var(--grape-deep)}.mdecide b{display:block;font-size:34px;line-height:1.2}.mdecide b.in{color:var(--teal-deep)}.mdecide b.out{color:var(--coral-deep)}.controls{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:20px}.choice{border:0;border-radius:17px;padding:14px 10px;min-height:58px;line-height:1.2;font-size:25px;font-weight:850;color:white;display:flex;justify-content:center;align-items:center;gap:18px;transition:transform .08s}.choice.in{background:var(--teal-deep);box-shadow:0 6px 0 #045460}.choice.out{background:#c13e5b;box-shadow:0 6px 0 #84213c}.choice:active{transform:translateY(4px)}.choice .key{font-size:21px;opacity:.85}.controls.predict .choice{font-size:22px}
/* Data, model animation and rule comparison */
.wall{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin:28px 0}.polaroid{background:white;border:1px solid #c8dfe4;border-radius:16px;padding:8px;box-shadow:0 4px 0 #cbdee4;position:relative}.polaroid .pic{background:#eef6f8;border-radius:11px;aspect-ratio:3/4;display:grid;place-items:center;padding:8px 2px 0}.polaroid .pic>.mon{width:98%}.polaroid .tag{font-size:18px;font-weight:850;text-align:center;padding-top:7px}.tag.in{color:var(--teal-deep)}.tag.out{color:var(--coral-deep)}.polaroid .mark{display:none;position:absolute;right:-7px;top:-7px;width:30px;height:30px;border-radius:50%;place-items:center;font-size:18px;font-weight:850;color:white;box-shadow:0 3px 0 #0002}.polaroid.ok .mark{display:grid;background:var(--teal-deep)}.polaroid.bad .mark{display:grid;background:var(--coral-deep)}.polaroid.bad{outline:3px solid var(--coral)}.polaroid.lit{outline:4px solid #e4b026}.study-bar{display:flex;justify-content:center;align-items:center;gap:30px;flex-wrap:wrap;margin-top:28px;padding:20px;background:#f4f1fa;border-radius:20px;position:sticky;bottom:12px;z-index:2;box-shadow:0 4px 12px #34435515}.study-time{display:flex;align-items:center;gap:13px;font-size:17px;color:var(--grape-deep)}.count{display:block;background:white;border-radius:13px;min-width:52px;padding:4px 10px;font-size:27px;text-align:center}.learn-panel{max-width:820px}.learnbox{position:relative;aspect-ratio:2.1;max-width:620px;margin:35px auto;background:#f5f9fc;border-radius:20px}.learn-card{position:absolute;width:10.5%;height:28%;background:white;border:1px solid #d0dce7;border-radius:6px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2px;transition:left .7s cubic-bezier(.5,0,.8,.6),top .7s,transform .7s,opacity .7s;z-index:2}.learn-card>.mon{width:67%;flex:none}.learn-card b{font-size:10px;line-height:1.2}.learn-card b.in{color:var(--teal-deep)}.learn-card b.out{color:var(--coral-deep)}.learn-machine{position:absolute;left:66%;top:3%;width:30%!important;height:84%!important}.learn-arrow{position:absolute;left:53%;top:37%;font-size:34px;color:var(--grape)}.learn-dots{position:absolute;left:68%;bottom:6%;width:26%;display:grid;grid-template-columns:repeat(6,1fr);gap:5px}.ldot{opacity:0;transition:opacity .4s;background:var(--grape);aspect-ratio:1;border-radius:50%}.guess-opts{display:grid;gap:17px;margin:28px 0}.gopt{border:1px solid #d5cbe9;background:var(--grape-soft);border-radius:17px;padding:17px 20px;display:flex;align-items:center;gap:15px;text-align:left;font-size:19px;font-weight:700;color:#483c70;box-shadow:0 4px 0 #d6cdea}.gopt .res{margin-left:auto;color:var(--coral-deep);font-size:15px;white-space:nowrap}.gopt.tried{background:#f8f6fd}.verdict{text-align:center;min-height:29px;font-size:20px;font-weight:750}.verdict.bad{color:var(--coral-deep)}.model{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:32px 0}.feat{text-align:center;padding:20px;background:#f4f1fa;border-radius:20px}.feat>.mon{width:98px;max-width:100%;display:block;margin:auto}.feat>b{display:block;font-size:28px;margin-top:10px}.feat>b.plus{color:var(--teal-deep)}.feat>b.minus{color:var(--coral-deep)}.feat>span:last-child{font-size:19px;font-weight:750}.threshold{text-align:center;padding:20px;background:var(--teal-soft);border-radius:17px;font-size:21px}.threshold span{display:block;font-size:18px;margin-top:6px}.worked{display:flex;align-items:center;gap:26px;margin:28px 0;padding:24px;background:#f6f9fa;border-radius:20px}.worked>.mon{width:100px}.eq{display:flex;gap:12px;align-items:center;flex-wrap:wrap;font-size:20px;font-weight:750;margin-top:14px}.eq .t{padding:8px 12px;background:white;border:1px solid #dae1e4;border-radius:10px}.eq .t.p{color:var(--teal-deep)}.eq .t.m{color:var(--coral-deep)}.eq .tot{padding:8px 12px;background:var(--teal-deep);color:white;border-radius:10px}.lesson-note{display:flex;align-items:center;gap:25px;padding:24px 4px}.lesson-note>img{width:72px;height:105px;object-fit:contain}.lesson-note p{font-size:18px;line-height:1.65}.lesson-note p b{font-weight:600}
/* Illustrated recap */
.stars{display:flex;justify-content:center;gap:10px;margin:16px 0}.star{font-size:49px;line-height:1;color:#d6e4e9}.star.on{color:#eab137;text-shadow:0 3px 0 #b88728;animation:starpop .5s both}.star:nth-child(2){animation-delay:.18s}.star:nth-child(3){animation-delay:.36s}.final-score{font-size:44px;font-weight:850;text-align:center;line-height:1.2}.best{font-size:17px;color:var(--muted);text-align:center;margin-top:10px}.best.new{color:var(--teal-ink)}.split{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:32px 0}.card-k{display:flex;align-items:center;gap:22px;background:var(--teal-soft);border-radius:22px;padding:25px}.card-k.pat{background:var(--grape-soft)}.result-art{width:78px;height:112px;flex:none}.card-k p{font-size:18px;margin-top:12px}.acc{display:block;font-size:17px;font-weight:800;margin-top:16px}.connection{text-align:center;max-width:790px;margin:35px auto;font-size:21px;font-weight:750}.vocab{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:30px 0}.vocab article{padding:23px;text-align:center;background:#f4f8f9;border-radius:21px}.vocab article>img{width:110px;height:100px;object-fit:contain;margin:0 auto 18px}.vocab p{font-size:18px;margin-top:13px;color:var(--muted)}.vocab-labels{height:100px;display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:18px}
/* Owner interruption */
.overlay{position:fixed;inset:0;background:#163642aa;display:none;align-items:center;justify-content:center;padding:20px;z-index:10}.overlay.show{display:flex}.overlay .panel{max-width:680px;width:100%;max-height:calc(100svh - 40px);overflow:auto;animation:pop .3s;outline:none}.phone-call{display:flex;align-items:center;gap:22px;margin-bottom:24px}.phone-call>img{width:60px;height:70px;object-fit:contain}.phone-call h2{font-size:28px}.phone-call .eyebrow{font-size:11px;margin-bottom:9px}.call-row{display:flex;align-items:center;gap:24px;margin:20px 0}.call-mon{width:116px;flex:none;background:#e8f4f6;border-radius:20px;padding:8px}.call-mon>.mon{width:100%}.call-row>p{font-size:21px}.overlay .panel>p{font-size:19px;text-align:center}.fix-card{margin:24px 0;background:var(--paper);border:2px solid #edddb7;border-radius:18px;padding:22px;font-size:23px;font-weight:750;text-align:center;line-height:1.7}.blank{display:inline-block;min-width:95px;min-height:32px;border-bottom:3px solid var(--teal-deep);color:var(--teal-ink)}.chips{display:flex;justify-content:center;gap:18px}.chip{padding:10px 22px;min-height:48px;border:0;border-radius:14px;background:var(--teal-soft);color:var(--teal-ink);box-shadow:0 4px 0 #afd8de;font-size:19px;font-weight:750}.chip.right{background:var(--teal-deep);color:white}.chip.wrong{background:#fce1e8;color:var(--coral-deep);animation:shake .4s}.fix-msg{min-height:30px;text-align:center;margin-top:18px;font-size:18px;font-weight:650}.overlay .section-action{margin-top:20px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@keyframes pop{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes bob{50%{transform:translateY(-3%)}}@keyframes blink{0%,94%,100%{transform:scaleY(1)}96%{transform:scaleY(.1)}}@keyframes throb{to{transform:scale(1.06)}}@keyframes fixflash{0%{background:#aff4e8}100%{background:transparent}}@keyframes beam{from{opacity:.3}to{opacity:.7}}@keyframes scanner{to{filter:brightness(1.25)}}@keyframes stamp{0%{opacity:0;transform:scale(2.2) rotate(-14deg)}100%{opacity:1;transform:scale(1) rotate(-10deg)}}@keyframes toast{0%{opacity:0;transform:translateY(-8px)}12%{opacity:1;transform:none}80%{opacity:1}100%{opacity:0}}@keyframes rise{0%{opacity:0;transform:translateY(10px)}20%{opacity:1}100%{opacity:0;transform:translateY(-40px)}}@keyframes shake{20%{transform:translateX(-8px)}40%{transform:translateX(8px)}60%{transform:translateX(-5px)}80%{transform:translateX(5px)}}@keyframes starpop{from{transform:scale(0) rotate(-40deg)}to{transform:none}}
@media(max-width:900px){.step{flex-direction:column;text-align:center;gap:16px}.step-art{height:90px}.card-k{flex-direction:column;text-align:center}.result-art{height:100px;width:85px}.wall{gap:12px}.panel{padding:28px}.dots{display:none}.cover-scene{aspect-ratio:2.35}.cover-copy p{font-size:20px}}
@media(max-width:650px){body{font-size:17px}.wrap{padding:20px 14px}.panel{padding:26px 20px;border-radius:23px}.intro-rounds,.split,.vocab{grid-template-columns:1fr;gap:20px}.step{flex-direction:row;text-align:left;padding:22px 18px;gap:18px}.step-art{width:64px}.step p{font-size:17px}.step .eyebrow{font-size:10px}.tk-row{gap:12px}.tk-row>div{font-size:16px}.wall{grid-template-columns:repeat(3,1fr);gap:13px}.polaroid .tag{font-size:17px}.study-bar{gap:15px;padding:16px;bottom:8px}.study-time{font-size:15px}.r2steps{grid-template-columns:1fr;gap:13px}.r2steps>div{text-align:left;padding:16px 20px}.r2steps b{display:inline;margin-right:14px;font-size:18px}.inter{margin:0 auto}.inter>p{font-size:18px}.bigrule{padding:20px;margin:25px auto}.bigrule .line{font-size:23px}.flow{gap:6px}.flow .box{padding:12px 5px}.flow .box>span{font-size:12px}.flow .box>b{font-size:16px}.flow-art{height:85px}.flow-art .mon{width:56px}.flow-art>.art{width:58px;height:75px}.arr{font-size:21px}.club-sign{font-size:clamp(8px,2.6vw,16px)}.cover-scene .club-sign{font-size:11px}.cover-copy{margin-bottom:25px}.cover-scene{aspect-ratio:1.9}#title-mons{left:37%;width:62%;bottom:13%}.cover-action{margin-top:28px}.hud{gap:6px}.pill{font-size:12px;padding:5px 9px}.icon-btn{width:39px;height:37px}.hud .spacer{display:none}.hud #h-round{margin-right:auto}.hud .streak{display:none}.rulecard{padding:14px 12px 14px 55px}.rulecard .ico{width:32px;height:46px;left:11px;top:17px}.rulecard .txt{font-size:18px;line-height:1.35}.rulecard .lab{font-size:10px}.scene{aspect-ratio:1.25}.stage{width:35%;left:53%;bottom:16%}.timer{left:52%;width:38%;bottom:10%}.controls{gap:14px}.choice{font-size:23px;padding:15px 8px;gap:8px}.controls.predict .choice{font-size:19px}.choice .key{font-size:19px}.bubble{left:37%;font-size:15px;max-width:61%;top:5%;padding:8px 11px}.toast{left:36%;right:2%;top:3%}.toast span{font-size:14px;padding:7px 9px}.mdecide{left:30%;top:18%;padding:9px 11px}.mdecide small{font-size:8px}.mdecide b{font-size:28px}.points{font-size:24px;left:62%;bottom:68%}.gopt{font-size:17px;padding:16px;flex-wrap:wrap;gap:8px}.gopt .res{font-size:14px}.model{grid-template-columns:1fr 1fr;gap:15px}.feat{padding:18px 12px}.feat>.mon{width:90px}.threshold{font-size:20px}.worked{gap:17px;padding:20px 16px;align-items:flex-start}.worked>.mon{width:75px}.eq{font-size:17px;gap:8px}.eq .t,.eq .tot{padding:6px 9px}.lesson-note{gap:17px}.lesson-note>img{width:55px}.lesson-note p{font-size:17px}.card-k{flex-direction:row;text-align:left;padding:22px;gap:22px}.result-art{width:65px;height:100px}.card-k h3{font-size:21px}.card-k p{font-size:17px}.connection{font-size:19px}.vocab article{display:grid;grid-template-columns:85px 1fr;text-align:left;column-gap:22px;align-items:center;padding:21px}.vocab article>img,.vocab-labels{width:85px;height:90px;grid-row:span 2;margin:0;gap:4px;flex-direction:column}.vocab p{margin-top:10px;font-size:17px}.overlay{padding:12px}.overlay .panel{padding:23px 20px;max-height:calc(100svh - 24px)}.phone-call{gap:16px;margin-bottom:20px}.phone-call>img{width:44px;height:56px}.phone-call h2{font-size:24px}.call-row{gap:18px}.call-mon{width:91px;padding:4px}.call-row>p{font-size:18px}.fix-card{font-size:20px;padding:16px}.chip{font-size:18px;padding:10px 17px}.chips{gap:12px}.fix-msg{font-size:16px}.learn-card b{font-size:7px}}
/* Keep the belly markings on the body, and the data labels clear of controls. */
.mon .spot-1{top:75%}.mon .spot-2{top:72%}.mon .spot-3{top:81%}.mon .spot-4{top:82%}
.mon.tall .spot-1{top:71%}.mon.tall .spot-2{top:69%}.mon.tall .spot-3{top:80%}.mon.tall .spot-4{top:80%}
#s-game{max-width:min(850px,max(640px,calc((100svh - 295px)*1.6)))}
.study-bar{position:static;box-shadow:none;margin-top:24px;padding:14px 20px}
@media(min-width:651px){.polaroid .pic{aspect-ratio:1/1.05}.polaroid .pic>.mon{width:77%}.wall{margin:24px 0}#s-study .panel{padding:28px}#s-study .lede{margin-bottom:18px}.twokinds{max-width:560px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}