:root{font-family:system-ui,sans-serif;color:#e6edef;background:#10212b;font-synthesis:none}*{box-sizing:border-box}body{margin:0}header{padding:20px 26px;display:flex;gap:18px;justify-content:space-between;align-items:center;border-bottom:1px solid #39505a}h1{font-size:clamp(24px,3vw,36px);margin:4px 0}h2{font-size:19px}.eyebrow{font-size:11px;letter-spacing:2px;color:#f2bd63;margin:0}nav,.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center}a{color:#f5c879;padding:12px 8px}button,input,select,textarea{font:inherit;font-size:16px}button{min-height:44px;padding:10px 14px;background:#e8b256;color:#172832;border:1px solid #f4cf8b;border-radius:7px;font-weight:650;cursor:pointer}button:disabled{opacity:.45;cursor:default}input:not([type=checkbox]),select,textarea{display:block;width:100%;min-height:44px;border:1px solid #617681;border-radius:6px;background:#f2f4ed;color:#172d37;padding:9px;margin:6px 0 14px}input[type=checkbox]{width:22px;height:22px;flex-shrink:0}label{font-size:14px;display:block}p,li{line-height:1.55}p{margin:10px 0}main{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(325px,1fr);gap:18px;padding:0 24px 28px}.objective{padding:12px 24px;margin:0 0 18px;background:#213d49;color:#ffdfa0}.stagePanel{min-width:0}#sceneHost{height:clamp(320px,52vh,610px);position:relative;background:#b9d4df;border:1px solid #526e79;border-radius:12px;overflow:hidden}canvas{width:100%;height:100%;display:block;touch-action:none}#graphicsError{position:absolute;inset:20px;color:#6e2323;background:#fff5de;padding:20px}.toolbar{padding:12px 0}.caption{font-size:13px;color:#b9c9cf}#phase{font-weight:700;color:#ffdc99;min-height:24px}details{border:1px solid #405965;border-radius:9px;margin-bottom:14px;background:#182e3a}summary{padding:13px;min-height:48px;font-weight:700;cursor:pointer}details>p,details>ol{margin:12px 16px}.consoleBody{padding:0 16px 16px}.consoleBody details{background:#203844}.consoleBody details label,.consoleBody details button{margin:10px 14px}.consoleBody details input:not([type=checkbox]){width:calc(100% - 28px)}#givens{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:16px 0}#givens p{background:#284854;border-radius:6px;padding:9px;margin:0;font-size:13px}#givens strong{display:block;font-size:18px;color:#fff2cc}.fields{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}.parts label,.check{display:flex;gap:9px;align-items:center;min-height:44px}#feedback{background:#254d4c;border:1px solid #548881;border-radius:9px;padding:0 16px 12px}#message{color:#ffd0aa}#history{font-size:13px;padding-left:23px}#history li{margin:10px 0;white-space:pre-line;overflow-wrap:anywhere}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,canvas:focus-visible{outline:3px solid #78e6db;outline-offset:3px}[hidden]{display:none!important}@media(max-width:900px){main{grid-template-columns:1fr;padding:0 14px 20px}header{padding:16px;align-items:flex-start;flex-direction:column}#sceneHost{height:350px}.objective{padding:12px 16px}}@media(max-width:450px){.fields{grid-template-columns:1fr}#sceneHost{height:280px}h1{font-size:25px}.toolbar button{flex-grow:1}}
@media(min-width:901px){.stagePanel{position:sticky;top:16px;align-self:start}}