:root{color-scheme:dark;font:16px/1.5 Inter,system-ui,sans-serif;background:#090b10;color:#e8edf4}*{box-sizing:border-box}body{margin:0}header{display:flex;align-items:center;gap:14px;padding:22px 32px;border-bottom:1px solid #28303b}header strong{font-size:21px}header span{display:block;color:#98a7bb;font-size:13px}header p{margin-left:auto;color:#9aa8ba;font-size:14px}main{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px;padding:32px;max-width:1450px;margin:auto}h1{font-size:clamp(26px,3vw,42px);line-height:1.2;margin:12px 0 18px}h2{font-size:16px;margin-top:28px}.eyebrow{color:#38c5df;font:12px/1.5 monospace;letter-spacing:.07em}#caption{color:#afbed0;min-height:48px}video{width:100%;aspect-ratio:16/9;background:#101621;border:1px solid #303a49;border-radius:12px;margin-top:12px}#demo-title,.small{color:#8b9bb0;font-size:13px}.actions{display:flex;gap:12px;margin-top:24px}button{color:inherit;border:1px solid #344151;border-radius:8px;background:#17212e;padding:10px 14px;cursor:pointer;text-align:left}button:hover{border-color:#2abbd4}button:focus-visible,a:focus-visible{outline:2px solid #2abbd4;outline-offset:4px}button:disabled{opacity:.5;cursor:default}#start{background:#0e7490;border-color:#0891b2}#catalog{display:grid;gap:8px;max-height:390px;overflow:auto}#catalog button{font-size:13px}a{color:#50d4e8}#error{color:#f7a9a9}aside{border-left:1px solid #28303b;padding-left:24px}@media(max-width:800px){main{grid-template-columns:1fr;padding:20px}aside{border:0;border-top:1px solid #28303b;padding:0}header{padding:16px}header p{max-width:150px}#catalog{max-height:200px}}
@media(min-width:801px){header{height:76px;padding:14px 24px}main{height:calc(100dvh - 76px);padding:20px 24px;gap:24px}.stage{display:flex;flex-direction:column;min-height:0}.stage h1{font-size:28px;margin:6px 0 8px}.eyebrow{margin:0}#caption{font-size:14px;min-height:42px;margin:0 0 10px;overflow:auto}.stage video{flex:1;height:0;min-height:120px;aspect-ratio:auto;object-fit:contain;margin:0}#demo-title{margin:8px 0;min-height:20px}.actions{margin-top:4px}aside{overflow:auto;padding-left:20px}aside h2:first-child{margin-top:0}#catalog{max-height:42dvh}aside h2{margin-top:16px}}