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h1{font-size:42px}.hero-copy>p{font-size:14px}.hero-art{min-height:220px;max-height:280px}.hero-art>svg{width:380px}.hero-notes{font-size:10px;margin-top:22px}.art-caption{font-size:10px;bottom:12px;left:15px}.section-head{align-items:start;flex-direction:column;gap:14px}.section-head h2{font-size:23px}.activity-grid{grid-template-columns:1fr}.activity{display:grid;grid-template-columns:115px 1fr}.activity-art{height:100%;min-height:190px;overflow:hidden}.activity-art svg{width:180px;height:130px;min-width:180px}.activity-art .pill{left:9px;top:12px;font-size:8px;padding:4px 6px}.activity-body{padding:18px}.activity-body h3{font-size:18px}.activity-body>p{font-size:12px;margin-bottom:14px}.activity-bottom{font-size:10px;padding-top:12px}.activity-bottom strong{font-size:11px}.bottom-callout{padding:18px}.site-footer{padding:20px;gap:15px;flex-wrap:wrap;font-size:10px}.site-footer>span:first-child{max-width:145px}.page-head{align-items:start;flex-direction:column;gap:15px}.page-head h1{font-size:32px}.page-head>div>p{font-size:14px}.setup-grid,.quiz-layout,.lab-layout,.teacher-grid{grid-template-columns:1fr}.quiz-layout .side-tip{order:2}.side-tip .element-stamp{float:right;width:75px;height:90px;margin:0 0 15px 15px}.side-tip .element-stamp b{font-size:30px}.quiz-card{padding:22px}.question{font-size:23px;min-height:0}.answers{gap:9px}.answer{padding:13px 10px;font-size:14px;min-height:73px;gap:8px;overflow-wrap:anywhere}.answer>span{width:24px;height:24px;font-size:10px}.quiz-meta{font-size:10px}.quiz-actions button{font-size:12px}.feedback{padding:17px;font-size:13px}.card{padding:22px}.inline-fields{gap:12px}.field{font-size:12px}.mode-option{padding:16px;font-size:13px}.mode-option small{font-size:11px}.element-layout{grid-template-columns:90px minmax(0,1fr);gap:15px}.element-layout .element-stamp{width:85px;height:110px}.element-layout h2{font-size:24px}.element-layout .stat-grid{grid-template-columns:1fr 1fr}.stat{padding:11px}.stat strong{font-size:19px}.element-layout .explain{grid-column:1/-1}.topic-progress{grid-template-columns:1fr 1fr;gap:12px}.progress-stats{gap:8px}.progress-stats .card{padding:16px 12px}.progress-stats .card strong{font-size:24px}.progress-stats .card small{font-size:10px}.result-hero{padding:26px 20px}.lab-controls{order:0}.lab-scene{order:1}.lab-controls .actions{grid-template-columns:1fr 1fr}.lab-controls .actions .sample-button{grid-column:1/-1}.lab-controls h2{font-size:22px}.lab-controls p{font-size:13px;margin-bottom:15px}.lab-controls .bar{margin:12px 0 17px}.lab-scene>svg{min-height:260px}.scene-caption{font-size:10px;padding:13px}.circuit-side{grid-template-columns:1fr}.lesson-cards{grid-template-columns:1fr}.teacher-grid li{font-size:13px}.pse-grid{min-width:760px}.site-footer a{font-size:10px}.back{margin-bottom:20px}}@media(max-width:360px){.top{padding:14px 15px}main{padding-left:13px;padding-right:13px}.hero-copy{padding:24px}.hero-copy h1{font-size:38px}.hero-notes{flex-wrap:wrap}.activity{grid-template-columns:90px minmax(0,1fr)}.activity-body{padding:14px}.activity-art .pill{font-size:7px;left:5px}.answers{grid-template-columns:1fr}.mode-options{gap:8px}.mode-option{padding:12px}.question{font-size:21px}.element-layout{grid-template-columns:1fr}.element-layout .element-stamp{margin:0 auto}.topic-progress{grid-template-columns:1fr}.welcome-row .chip{font-size:8px}.welcome-row p{font-size:11px}.card{padding:18px}}@media print{.top,.site-footer,.back,button,.filters,.quiz-actions,#toast,.result-buttons{display:none!important}main{max-width:none;padding:0}.card{box-shadow:none;break-inside:avoid}.review-list details{display:block}.review-list details>*{display:block!important}.print-only{display:block}.teacher-grid{display:block}.teacher-grid .card{margin-bottom:15px}body{background:white}.result-hero{padding:10px}.result-ring{width:85px;height:85px;font-size:25px;border-width:7px}}

main:focus{outline:none}.part:focus-visible{outline:3px solid var(--purple);outline-offset:3px}

@media(max-width:760px){.hero-art{display:none}.hero-copy{padding:25px}.hero-copy h1{font-size:34px;letter-spacing:-1px}.hero-notes{gap:12px;flex-wrap:wrap}.hero-copy>p{font-size:13px}.hero-copy .button{font-size:13px;padding:12px 15px}}
/* Oprijemljivi pripomočki · 0.2 */
.part{width:110px;height:120px;padding:4px 5px 5px;gap:1px;position:relative;background:#ffffffed;box-shadow:0 5px 9px #26334715}
.part-picture{width:100px;height:78px;display:block;overflow:visible;flex-shrink:0}
.part .part-name{font-size:10px;line-height:14px}.part .measurement{font-size:9px;white-space:nowrap;line-height:13px}
.part .terminal{top:49px}.part.broken{background:#f8eeee}.part.broken .part-picture{opacity:.8}
.motor-rotor{will-change:transform}

.fault-flash:after{content:'POK!';position:absolute;inset:10px -10px 25px;display:grid;place-items:center;background:#ffe17de8;color:#7b3518;font-weight:900;font-size:23px;clip-path:polygon(50% 0,61% 24%,87% 8%,80% 36%,100% 50%,78% 61%,91% 88%,62% 79%,50% 100%,39% 77%,9% 91%,21% 63%,0 50%,24% 38%,10% 11%,40% 22%);animation:fault-burst .65s both;pointer-events:none}
@keyframes fault-burst{0%{transform:scale(.4);opacity:1}40%{transform:scale(1.2);opacity:1}100%{transform:scale(1.4);opacity:0}}
.hands-scene{display:block;width:100%;height:auto;touch-action:none;user-select:none;-webkit-user-select:none}.lab-tool{cursor:grab}.lab-tool.held{cursor:grabbing;filter:drop-shadow(0 5px 4px #264b3a35)}.lab-tool.held>path:first-child{stroke:#299e74;stroke-width:3}
.hands-status{padding:13px 20px;background:#e5f4eb;color:#2c6449;font-size:13px;min-height:48px;border-top:1px solid #c8e1d2;line-height:1.5}.assist{border:1px solid #dce5e0;border-radius:12px;background:#f7faf8;padding:11px 13px;width:100%}.assist summary{font-size:13px;font-weight:650;cursor:pointer}.assist .actions{margin-top:12px}.liquid-stream{animation:flow-stream .3s linear infinite}@keyframes flow-stream{to{stroke-dashoffset:-26}}
.atom-entry{display:flex;align-items:center;gap:15px;border:1px solid #cfc5ef;border-radius:14px;background:#f2eeff;padding:15px;margin:20px 0;text-decoration:none;color:#55428b}.atom-entry>span{font-size:34px}.atom-entry div{flex:1}.atom-entry small{display:block;margin-top:3px;line-height:1.5}.atom-entry:hover{border-color:#8163ce;background:#eae3fc}
.atom-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(310px,.9fr);gap:24px}.atom-lab{padding:22px}.atom-scene{width:100%;max-height:400px;display:block}.atom-side{display:grid;align-content:start;gap:20px}.atom-side h2{font-size:24px}.particle-legend{display:flex;justify-content:center;gap:20px;font-size:12px;padding:15px 0}.particle-legend span:nth-child(1){color:#b1425c}.particle-legend span:nth-child(2){color:#7360ae}.particle-legend span:nth-child(3){color:#19755f}.particle-controls{display:grid;gap:10px;margin:4px 0 20px}.particle-control{display:flex;align-items:center;justify-content:space-between;gap:10px;border:1px solid #e3deed;border-radius:13px;padding:12px 14px}.particle-control small{display:block;font-size:12px;color:#737080;margin-top:3px}.particle-control b{font-size:14px}.stepper{display:flex;align-items:center;gap:5px}.stepper input{width:55px;text-align:center;padding:9px 2px;font-weight:750;font-size:18px;border:0;background:#f3f0f9;border-radius:8px;appearance:textfield}.stepper button{width:36px;height:40px;padding:0;font-size:22px}.atom-target{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.atom-target span{background:#f1edfb;color:#5d4b8b;border-radius:9px;padding:10px 12px;font-size:14px}.electron-orbit{transform-origin:220px 180px;animation:electron-loop var(--orbit-time,20s) linear infinite}@keyframes electron-loop{to{transform:rotate(360deg)}}
@media(max-width:850px){.atom-layout{grid-template-columns:1fr}.atom-side{grid-template-columns:1fr 1fr}.lab-layout{grid-template-columns:1fr}.lab-scene{order:-1}}
@media(max-width:560px){.atom-side{grid-template-columns:1fr}.atom-lab{padding:13px}.particle-control{padding:10px}.particle-control small{max-width:130px}.particle-legend{gap:12px}.hands-status{font-size:12px;padding:10px 13px}.atom-entry{padding:12px}.atom-target span{padding:8px}.atom-side h2{font-size:22px}}
@media(prefers-reduced-motion:reduce){.electron-orbit,.liquid-stream{animation:none}.fault-flash:after{animation-duration:.1s}}
.mobile-lab-step{display:none}@media(max-width:850px){.mobile-lab-step{display:block;padding:15px 16px;background:#f4faf6;border-bottom:1px solid #d4e7db}.mobile-lab-step b{display:block;font-size:16px}.mobile-lab-step span{display:block;font-size:12px;line-height:1.5;margin-top:5px;color:#4c6c5b}}
.card.lab-scene{padding:0}@media(max-width:850px){.lab-scene{order:0}.lab-controls{padding:18px}.lab-controls h2{font-size:23px}.lab-controls>p{font-size:14px;line-height:1.6}.mobile-lab-step{padding:12px 14px}}