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.answer-list{display:grid;gap:10px}.answer-list>p{color:var(--muted);line-height:1.4;margin:12px 3px}.answer-choice{background:#fff;border:2px solid var(--line);border-radius:15px;color:var(--ink);font:900 22px Nunito,sans-serif;min-height:61px;padding:10px;transition:.16s ease}.answer-choice:hover:not(:disabled){background:var(--aqua);border-color:var(--aqua-strong);transform:translateY(-2px)}.answer-choice.wrong{animation:shake .35s ease;background:#fff0f2;border-color:var(--rose-strong);color:#91314b}.answer-choice.correct{background:#e5f6ea;border-color:var(--green-strong);color:#266842}@keyframes shake{25%{translate:-6px 0}75%{translate:6px 0}}.feedback{align-items:center;background:#fff;border:1px solid var(--line);border-radius:15px;display:flex;font-weight:700;gap:9px;margin-top:14px;min-height:54px;padding:10px 14px}.feedback b{font-size:20px}.feedback.good{background:#e8f7ed;border-color:#bde3ca;color:#286744}.feedback.hint{background:#fff4dc;border-color:#ecd5a5;color:#735718}
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.capsule-panel{background:linear-gradient(145deg,rgba(242,252,252,.97),rgba(225,239,242,.96));box-shadow:inset 0 0 0 5px rgba(255,255,255,.5),0 12px 28px rgba(62,57,62,.1);position:relative}.capsule-panel::before{background:linear-gradient(90deg,transparent,rgba(255,255,255,.72),transparent);content:"";height:100%;left:-55%;pointer-events:none;position:absolute;top:0;transform:skewX(-12deg);width:42%;z-index:0}.capsule-panel:hover::before{animation:glassSweep 1.15s ease}.capsule-panel>*{position:relative;z-index:1}.capsule-list{background:repeating-linear-gradient(180deg,rgba(255,255,255,.74) 0 72px,#93a7ad 73px 77px,rgba(27,43,49,.09) 78px 86px);border:5px solid #6f858c;border-radius:16px;box-shadow:inset 0 0 28px rgba(40,74,81,.13);padding:10px}.capsule{background:rgba(255,255,255,.86);border-color:rgba(255,255,255,.96);box-shadow:0 7px 15px rgba(24,47,54,.15)}@keyframes glassSweep{to{left:120%}}
.scanner-panel{background:linear-gradient(155deg,#38404d,#202630 72%,#151a22);border:4px solid #687582;box-shadow:inset 0 0 0 2px #20262f,0 13px 30px rgba(25,28,34,.22);padding:14px}.scanner{background:radial-gradient(circle at 66% 59%,rgba(80,235,224,.18),transparent 24%),linear-gradient(145deg,#202731,#11161e);border:2px solid #576673;height:380px}.scanner::after{background:linear-gradient(90deg,rgba(112,233,228,.06),rgba(255,255,255,.02),rgba(112,233,228,.06));border:1px solid rgba(167,244,240,.16);border-radius:12px;content:"";inset:14px;pointer-events:none;position:absolute}.lab-machine{height:100%;inset:0;overflow:visible;position:absolute;width:100%;z-index:1}.machine-status-light{animation:statusBlink 1.8s ease-in-out infinite}.machine-cables path:last-child{animation:cableFlow 1.1s linear infinite}.lens-pool{animation:lensIdle 2.2s ease-in-out infinite;transform-box:fill-box;transform-origin:center}.lab-shelf{align-items:flex-end;display:flex;gap:7px;position:absolute;right:17px;top:20px;z-index:2}.lab-shelf::after{background:#71818d;border-radius:4px;bottom:-7px;box-shadow:0 4px 8px rgba(0,0,0,.35);content:"";height:7px;left:-6px;position:absolute;width:91px}.lab-shelf i{background:linear-gradient(180deg,rgba(255,255,255,.8),rgba(95,219,214,.25));border:2px solid #94dedb;border-radius:4px 4px 9px 9px;height:35px;position:relative;width:14px}.lab-shelf i:nth-child(2){height:44px}.lab-shelf i:nth-child(3){background:linear-gradient(180deg,rgba(255,255,255,.8),rgba(238,121,150,.55));height:29px}.lab-shelf i:nth-child(4){background:linear-gradient(180deg,rgba(255,255,255,.8),rgba(246,190,83,.55));height:40px}.scan-placeholder{left:68%;margin:0;position:absolute;top:51%;transform:translate(-50%,-50%);width:38%;z-index:5}.scan-placeholder span{box-shadow:0 7px 0 #171c23,0 12px 25px rgba(0,0,0,.42),0 0 24px rgba(106,237,230,.26)}.operation-card{margin:0;position:absolute;right:5%;top:21%;width:56%;z-index:6}.scanner.drop-ready .lens-pool,.scanner.drop-target .lens-pool{fill:#7bfff5;opacity:.35}.scanner.drop-target .machine-lens{filter:drop-shadow(0 0 10px #86fff7)}.scanner.drop-target .sample-stage{fill:#c4fff9}.scanner.scanning .machine-lens{animation:lensFocus .72s ease}.scanner.scanning .lens-pool{animation:lensScan .72s ease}.scanner.scanning .scan-placeholder span{animation:capsuleDock .72s ease}.scanner.scanning .machine-status-light{fill:#f7c65e}.answer-panel{background:linear-gradient(160deg,#fbffff,#eef7f7);border:3px solid #d8e4e5;box-shadow:inset 0 0 0 2px #fff,0 12px 28px rgba(62,57,62,.1)}.answer-choice{box-shadow:0 4px 0 #d7dfe1}.answer-choice:active:not(:disabled){box-shadow:0 1px 0 #bfcacc;transform:translateY(3px)}.energy-rack{overflow:hidden;position:relative}.energy-rack.charging::after{animation:energyRun .72s ease-out;background:linear-gradient(90deg,transparent,#fff,transparent);content:"";inset:0;position:absolute;transform:translateX(-100%)}
@keyframes statusBlink{0%,100%{opacity:.65}50%{opacity:1;filter:drop-shadow(0 0 8px #8ff9f2)}}@keyframes cableFlow{to{stroke-dashoffset:-32}}@keyframes lensIdle{0%,100%{opacity:.1;transform:scale(.9)}50%{opacity:.22;transform:scale(1.06)}}@keyframes lensFocus{0%,100%{transform:rotate(0)}45%{transform:rotate(-4deg) translateY(5px)}}@keyframes lensScan{0%{opacity:.18;transform:scale(.7)}50%{opacity:.7;transform:scale(1.18)}100%{opacity:.15;transform:scale(.85)}}@keyframes capsuleDock{0%{transform:translateY(0) rotate(-7deg)}45%{transform:translateY(13px) rotate(0) scale(.9)}70%{filter:brightness(1.8);transform:translateY(13px) scale(1.04)}100%{transform:translateY(0) rotate(-7deg)}}@keyframes energyRun{to{transform:translateX(100%)}}
.lab-machine,.lab-shelf{display:none}.lab-machine-img{filter:drop-shadow(0 18px 16px rgba(0,0,0,.34));height:auto;left:50%;max-height:96%;object-fit:contain;pointer-events:none;position:absolute;top:51%;transform:translate(-50%,-50%);transition:filter .2s ease,transform .2s ease;width:96%;z-index:1}.scanner.drop-ready .lab-machine-img{filter:drop-shadow(0 0 13px rgba(102,239,231,.5)) drop-shadow(0 18px 16px rgba(0,0,0,.34))}.scanner.drop-target .lab-machine-img{filter:brightness(1.08) drop-shadow(0 0 20px rgba(118,255,246,.8));transform:translate(-50%,-50%) scale(1.015)}.scanner.scanning .lab-machine-img{animation:machineScan .76s ease}.scan-placeholder{left:65%;top:64%;width:42%}.scan-placeholder span{height:48px;width:98px}.scan-placeholder strong{background:rgba(17,23,31,.74);border-radius:8px;padding:4px 7px;text-shadow:0 2px 3px #000}.scan-placeholder p{background:rgba(17,23,31,.7);border-radius:8px;font-size:12px;margin:4px auto 0;max-width:190px;padding:3px 6px}.operation-card{right:4%;top:20%;width:58%}@keyframes machineScan{0%,100%{filter:drop-shadow(0 18px 16px rgba(0,0,0,.34))}45%{filter:brightness(1.18) drop-shadow(0 0 28px #73eee8);transform:translate(-50%,-50%) scale(1.025)}}
.capsule-shape{animation:capsuleFloat 2.5s ease-in-out infinite;background:none;border:0;border-radius:0;box-shadow:none;height:58px;min-width:92px;position:relative;transform:none}.capsule-shape img{display:block;filter:drop-shadow(0 7px 7px rgba(22,34,43,.28));height:100%;object-fit:contain;pointer-events:none;width:100%}.capsule-shape i{left:50%;position:absolute;top:50%;transform:translate(-50%,-50%)}.capsule.done .capsule-shape{background:none;filter:saturate(.55)}.scan-placeholder span{animation:none;background:none;border:0;border-radius:0;box-shadow:none;height:82px;position:relative;transform:none;width:142px}.scan-placeholder span img{filter:drop-shadow(0 9px 8px rgba(0,0,0,.42));height:100%;object-fit:contain;width:100%}.scan-placeholder span i{background:#202b3c;border:2px solid #8ff8f2;border-radius:50%;font:900 23px/34px Nunito,sans-serif;height:38px;left:50%;position:absolute;top:50%;transform:translate(-50%,-50%);width:38px}.scanner.scanning .scan-placeholder span{animation:capsuleDock .72s ease}
.capsule>div{min-width:0}.capsule b,.capsule small{display:block;white-space:nowrap}.capsule small{font-size:12px}
.capsule-list{gap:7px;padding:10px 12px}.capsule{background:transparent;border:0;border-radius:15px;box-shadow:none;justify-content:center;min-height:79px;padding:3px 5px}.capsule:hover:not(:disabled){background:rgba(255,255,255,.4);transform:scale(1.06)}.capsule .capsule-shape{height:72px;min-width:138px;width:92%}.capsule.dragging{background:transparent;opacity:.28;transform:scale(.94)}.capsule.done{background:transparent;opacity:.48}.touch-ghost{background:transparent;border:0;box-shadow:none;width:210px}.touch-ghost .capsule-shape{height:92px;width:100%}
.game-shell:fullscreen,.game-shell:-webkit-full-screen{background:#fffdfb;border:0;border-radius:0;display:flex;flex-direction:column;height:100vh;height:100dvh;max-width:none;overflow:hidden}.game-shell:fullscreen .toolbar,.game-shell:fullscreen .energy-rack,.game-shell:-webkit-full-screen .toolbar,.game-shell:-webkit-full-screen .energy-rack{flex:0 0 auto}.game-shell:fullscreen .play-area,.game-shell:-webkit-full-screen .play-area{flex:1;min-height:0;overflow:auto}.game-shell:fullscreen .scanner,.game-shell:-webkit-full-screen .scanner{height:min(52vh,480px)}
@media(max-width:860px){main{padding:28px 10px 40px}.toolbar{align-items:stretch;flex-direction:column}.stats,.tools{justify-content:center}.stats span{flex:1}.lab-layout{grid-template-columns:minmax(200px,.75fr) minmax(300px,1.25fr)}.answer-panel{grid-column:1/-1}.answer-list{grid-template-columns:repeat(4,1fr)}.teacher-guide{grid-template-columns:1fr}.teacher-guide__grid{grid-template-columns:1fr}.scanner{height:345px}}
@media(max-width:590px){.brand small{display:none}.back-link{font-size:12px;padding:8px 10px}.hero h1{font-size:34px}.play-area{padding:12px}.tools button{flex:1;padding:8px 5px}.lab-layout{grid-template-columns:1fr}.answer-panel{grid-column:auto}.answer-list{grid-template-columns:repeat(2,1fr)}.capsule-list{grid-template-columns:repeat(2,1fr)}.capsule{border-radius:17px;flex-direction:column;gap:4px;min-height:104px;padding:7px;text-align:center}.capsule-shape{height:35px;min-width:61px}.capsule small{display:none}.scanner{height:320px}.lab-machine{transform:scale(.84);transform-origin:left bottom;width:116%}.lab-shelf{right:9px;transform:scale(.8);transform-origin:right top}.scan-placeholder{left:72%;margin:0;width:45%}.scan-placeholder strong{font-size:14px}.scan-placeholder p{font-size:12px}.operation-card{left:29%;margin:0;right:auto;top:23%;width:67%}.modal{padding:24px 15px}.modal-steps{gap:5px}.modal-steps span{font-size:11px;padding:8px 3px}.finish-stats span{min-width:0;padding:8px}.game-shell:fullscreen .play-area,.game-shell:-webkit-full-screen .play-area{overflow:auto}.game-shell:fullscreen .scanner,.game-shell:-webkit-full-screen .scanner{height:300px}}
@media(max-width:590px){.capsule{background:transparent;border:0;min-height:78px;padding:3px}.capsule .capsule-shape{height:66px;min-width:105px;width:100%}.capsule-list{background:rgba(255,255,255,.42);gap:5px}}
.operation-card{left:auto;padding:22px 12px;right:3%;width:72%}.operation-card strong{font-size:clamp(22px,3.2vw,40px);white-space:nowrap}.operation-card strong.op-long{font-size:clamp(19px,2.55vw,31px)}.operation-card strong.op-xlong{font-size:clamp(17px,2.2vw,27px)}@media(max-width:590px){.operation-card{left:25%;padding:17px 8px;right:auto;top:25%;width:72%}.operation-card strong{font-size:clamp(21px,7vw,29px)}.operation-card strong.op-long{font-size:clamp(18px,5.7vw,24px)}.operation-card strong.op-xlong{font-size:clamp(16px,5vw,21px)}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01s!important;transition-duration:.01s!important}}
.scan-placeholder span[hidden]{display:none!important}