.public-classroom-demo{scroll-margin-top:88px}.demo-workspace{margin-top:26px;border:1px solid #ccdcd8;border-radius:12px;overflow:hidden;background:#fff}.demo-screen{position:relative;display:flex;flex-direction:column;min-height:430px;padding:22px 28px;color:#f4faf8;background:#153a3c}.demo-screen-header,.demo-screen-footer{display:flex;align-items:center;justify-content:space-between;gap:16px}.demo-screen-header{color:#c4ded8;font-size:13px;font-weight:700}.demo-screen-header small{margin-left:8px;padding:3px 7px;border:1px solid #739a8f;border-radius:4px;font-size:11px;font-weight:400}.demo-screen-content{position:relative;flex:1;min-width:0;padding:28px 0}.demo-screen-kicker{margin:0 0 8px;color:#b4dacf;font-size:13px;font-weight:700}.demo-screen h3{max-width:900px;margin:0;font-size:clamp(25px,3vw,40px);line-height:1.4;overflow-wrap:anywhere}.demo-screen-lead{max-width:880px;margin:16px 0 0;color:#dceae5;font-size:21px;line-height:1.7}.demo-reveal-list{display:grid;gap:10px;margin:22px 0 0;padding:0;list-style:none;counter-reset:demo-point}.demo-reveal-list li{display:flex;align-items:flex-start;gap:12px;padding:10px 14px;color:#f4faf8;background:#24494a;border-left:3px solid #9dc6b1;border-radius:3px;font-size:20px;line-height:1.65;counter-increment:demo-point}.demo-reveal-list li::before{content:counter(demo-point,decimal-leading-zero);color:#bad6c6;font-size:14px;line-height:2.4;font-weight:800}.demo-screen-footer{padding-top:16px;border-top:1px solid #3c5e5c;color:#afccc3;font-size:11px}.demo-controls{padding:18px 22px;background:#f6f9f7}.demo-tabs{display:flex;gap:6px;padding-bottom:14px;border-bottom:1px solid #dce7e2}.demo-controls button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:9px 13px;color:#3b5a58;background:#fff;border:1px solid #cbdcd5;border-radius:6px;font-size:14px;font-weight:700;cursor:pointer;transition:background .16s,border-color .16s}.demo-controls button svg{width:17px;height:17px;flex:none}.demo-controls button:hover:not(:disabled){background:#e9f2ed;border-color:#86ae9d}.demo-controls button:active:not(:disabled){background:#dcebe2}.demo-controls button:focus-visible{outline:3px solid #e0ba70;outline-offset:2px}.demo-controls button:disabled{opacity:.5;cursor:default}.demo-tabs button{background:transparent;border-color:transparent}.demo-tabs button[aria-pressed=true]{color:#155b4c;background:#e3eee7;border-color:#b4cdbc}.demo-controls .demo-primary{color:#fff;background:#176b56;border-color:#176b56}.demo-controls .demo-primary:hover:not(:disabled){background:#10553f;border-color:#10553f}.demo-operation-row{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-top:14px}.demo-operation-row>div{display:flex;flex-wrap:wrap;gap:8px}.demo-secondary-controls{flex-shrink:0}.demo-operation-status{min-height:22px;margin:12px 0 0;color:#526d63;font-size:13px}.demo-boundary{margin:16px 0 0;color:#657a71;font-size:13px;line-height:1.8}.demo-question{margin-top:22px;padding-left:18px;border-left:3px solid #d4b56b}.demo-question>span{color:#d7c799;font-size:13px}.demo-question>p{margin:8px 0 0;font-size:clamp(24px,3vw,38px);line-height:1.5}.demo-answer{margin-top:20px;padding:14px 18px;background:#264e48;border:1px solid #497464;border-radius:6px}.demo-answer small{color:#b7d8c3;font-size:12px}.demo-answer p{margin:5px 0 0;color:#f0f8f2;font-size:22px;line-height:1.65}.demo-countdown{display:flex;align-items:baseline;gap:12px;margin-top:20px}.demo-countdown>span{font-size:40px;line-height:1.2;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.04em}.demo-countdown small{color:#bad1c9;font-size:13px}.demo-countdown.is-finished{color:#efce89}.demo-encouragement{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:24px;text-align:center;background:#1c5147;border:1px solid #6f9d84;border-radius:8px;animation:demo-feedback-in .18s ease-out}.demo-encouragement svg{width:42px;height:42px;color:#e5c77f}.demo-encouragement strong{font-size:clamp(25px,4vw,44px);line-height:1.5}.demo-encouragement span{color:#b8d8c2;font-size:13px}.demo-noscript{color:#8b532b}.demo-workspace:fullscreen{width:100%;height:100%;overflow:auto;display:flex;flex-direction:column;border:0;border-radius:0}.demo-workspace:fullscreen .demo-screen{flex:1;min-height:0;padding:24px 5vw}.demo-workspace:fullscreen .demo-screen-content{display:flex;flex-direction:column;justify-content:center;max-width:1400px;width:100%;margin:auto;padding:16px 0}.demo-workspace:fullscreen .demo-screen h3{font-size:clamp(32px,3vw,54px)}.demo-workspace:fullscreen .demo-screen-lead,.demo-workspace:fullscreen .demo-reveal-list li,.demo-workspace:fullscreen .demo-answer p{font-size:clamp(24px,2.2vw,40px)}.demo-workspace:fullscreen .demo-question>p{font-size:clamp(34px,3.5vw,64px)}.demo-workspace:fullscreen .demo-controls{flex:none;padding:12px 5vw 16px}.demo-workspace:fullscreen .demo-screen-header{font-size:18px}.demo-workspace:fullscreen .demo-screen-footer{font-size:14px}.demo-workspace:fullscreen .demo-tabs{padding-bottom:6px}.demo-workspace:fullscreen .demo-operation-row{margin-top:8px}.demo-workspace:fullscreen .demo-operation-status{margin-top:6px}.demo-workspace:fullscreen .demo-controls button{min-height:48px;font-size:16px}.demo-workspace:fullscreen .demo-countdown>span{font-size:60px}@keyframes demo-feedback-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@media(max-width:1000px){.demo-operation-row{flex-direction:column}.demo-secondary-controls{flex-shrink:1}}@media(max-width:680px){.demo-workspace{margin-top:20px}.demo-screen{min-height:390px;padding:16px}.demo-screen-header{align-items:flex-start;font-size:11px}.demo-screen-header>span:last-child{white-space:nowrap}.demo-screen-header small{display:block;width:max-content;margin:4px 0 0}.demo-screen-content{padding:24px 0}.demo-screen h3{font-size:25px}.demo-screen-lead{font-size:17px}.demo-reveal-list li{padding:8px 10px;font-size:17px}.demo-screen-footer{align-items:flex-start;flex-direction:column;gap:3px}.demo-controls{padding:14px}.demo-tabs{display:grid;grid-template-columns:1fr 1fr}.demo-tabs button{padding:9px 5px}.demo-operation-row>div{width:100%}.demo-secondary-controls button{flex:1;padding:9px 6px}.demo-question>p{font-size:24px}.demo-answer{padding:12px}.demo-answer p{font-size:19px}.demo-countdown>span{font-size:36px}.demo-workspace:fullscreen .demo-screen{min-height:360px;padding:16px}.demo-workspace:fullscreen .demo-controls{padding:12px}.demo-workspace:fullscreen .demo-screen-header{font-size:12px}.demo-workspace:fullscreen .demo-screen-footer{font-size:11px}}@media(prefers-reduced-motion:reduce){.demo-encouragement{animation:none}.demo-controls button{transition:none}}
