:root{color-scheme:dark}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0;background:#040c18;color:#edfaff;font-family:system-ui,-apple-system,sans-serif}button,a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}button{font:700 12px system-ui;background:#112b3d;color:#e5faff;border:1px solid #67949c88;border-radius:12px;min-height:44px;padding:9px 13px;cursor:pointer}button:hover{border-color:#9ff3e1}button:focus-visible,a:focus-visible,canvas:focus-visible{outline:3px solid #ffdd8c;outline-offset:3px}main{height:100dvh;max-width:1000px;margin:auto;padding:12px 14px max(7px,env(safe-area-inset-bottom));display:grid;grid-template-rows:auto auto minmax(0,1fr) auto;gap:8px;background:radial-gradient(ellipse at 50% 10%,#173b4d,#071322 70%);overflow:hidden}header{position:relative;display:flex;align-items:center;justify-content:space-between;gap:10px}header small{font-size:8px;letter-spacing:1.5px;color:#85e8dd;font-weight:850}h1{font-size:24px;margin:2px 0;letter-spacing:1px}.scoreboard{display:flex;align-items:center;justify-content:space-between;background:#0b2635;border:1px solid #52849344;border-radius:15px;padding:8px 18px;text-align:center}.scoreboard>div{font-size:9px;letter-spacing:1px}.scoreboard b{display:block;font-size:32px;font-variant-numeric:tabular-nums}.you{color:#86f1e0}.bot{color:#fc9ab0}.scoreboard .centre b{font-size:22px;color:#fff}.centre small{font-size:8px;color:#ffdea3}.centre span{font-size:8px;color:#9ec0ce;letter-spacing:0}.arena{display:flex;align-items:center;justify-content:center;min-height:0;border-radius:20px;background:radial-gradient(ellipse,#18354a,#05111e 80%);overflow:hidden}canvas{height:100%;max-width:100%;aspect-ratio:2/3;object-fit:contain;touch-action:none;cursor:grab;outline-offset:-4px!important}canvas:active{cursor:grabbing}footer{display:flex;align-items:center;justify-content:space-between;gap:8px}footer p{color:#aed0df;font-size:10px;line-height:1.35;margin:0;max-width:55%}footer>div{display:flex;gap:5px}footer button{font-size:10px;padding:7px 9px}#homeMenu{position:absolute;right:0;top:100%;z-index:5;display:grid;gap:3px;padding:8px;background:#0a2035;border:1px solid #71b8bf77;border-radius:12px;box-shadow:0 15px 40px #0009}#homeMenu a{color:#d9f5f2;text-decoration:none;padding:14px 10px;min-height:44px;font-size:11px}dialog{color:#eafaff;background:linear-gradient(145deg,#15384b,#081c30);border:1px solid #8bc5c888;border-radius:22px;padding:25px;width:min(570px,calc(100% - 26px));max-height:90dvh;overflow:auto;box-shadow:0 25px 90px #0009}dialog::backdrop{background:#020b19cc;backdrop-filter:blur(6px)}dialog small{font-size:9px;color:#8bdcd6;letter-spacing:1px}dialog h2{font-size:27px;margin:8px 0;color:#e8fcff}dialog p{font-size:13px;line-height:1.65;color:#c4dfe9}.fine{font-size:10px!important;color:#91b5c8!important}.primary{background:linear-gradient(120deg,#adf0da,#70d0e6);color:#0a2d39;border-color:#b8efde}.quiet{background:transparent}dialog>.primary,.home-link{display:block;width:100%;margin-top:12px;min-height:48px;text-align:center;padding:12px;border-radius:12px}.home-link{border:1px solid #658398;color:#e4f5fc;text-decoration:none;font-size:13px}#answers{display:grid;gap:8px}#answers button{text-align:left}#answers button.correct{border-color:#a5efc9;background:#174841}#answers button.wrong{border-color:#fca698}#explanation{min-height:44px;color:#ffdfaa}#sources{display:grid;gap:6px}#sources a{min-height:44px;padding:10px 0;color:#8de3d6;font-size:11px}@media(max-width:360px){main{padding:8px}h1{font-size:21px}.scoreboard{padding:7px 12px}.centre span{font-size:7px}footer p{font-size:9px}}@media(max-height:520px) and (min-width:600px){main{grid-template-columns:1fr 240px;grid-template-rows:auto 1fr auto}header{grid-column:1/-1}.arena{grid-column:1;grid-row:2/4}.scoreboard{grid-column:2;grid-row:2;align-self:start}footer{grid-column:2;grid-row:3;flex-direction:column;align-items:stretch}footer p{max-width:100%}footer>div{justify-content:space-between}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}