:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#f5f6f8;--fg:#15171c;--muted:#5c6370;--card:#fff;--line:#e2e5ea;--accent:#15803d;--radius:16px;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;font:16px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#0f1115;--fg:#e9ebef;--muted:#9aa1ad;--card:#181b21;--line:#272b33;--accent:#4ade80}}*{box-sizing:border-box}[hidden]{display:none!important}body{background:var(--bg);color:var(--fg);margin:0}a{color:inherit}button{font:inherit;color:inherit}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.btn{background:var(--accent);min-height:44px;color:var(--bg);cursor:pointer;border:0;border-radius:12px;padding:0 18px;font-weight:600}html.game{overscroll-behavior:none;height:100%;overflow:hidden}html.game body{height:100dvh;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);flex-direction:column;display:flex;overflow:hidden}.bar{border-bottom:1px solid var(--line);align-items:center;gap:4px;min-height:52px;padding:4px 8px;display:flex}.bar h1{white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;margin:0 4px;font-size:1.05rem;font-weight:650;overflow:hidden}.bar a,.bar button{cursor:pointer;background:0 0;border:0;border-radius:12px;justify-content:center;align-items:center;gap:6px;min-width:44px;min-height:44px;padding:0 10px;text-decoration:none;display:inline-flex}.bar svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:22px;height:22px}.bar .wide{display:none}@media (hover:hover){.bar a:hover,.bar button:hover{background:var(--line)}}@media (width>=600px){.bar .wide{display:inline}}.play{touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;flex-direction:column;flex:1;align-items:center;gap:8px;min-height:0;padding:8px 12px 12px;display:flex}.hud{color:var(--muted);font-variant-numeric:tabular-nums;gap:20px;margin:0;display:flex}.hud b{color:var(--fg)}.board{flex:1;place-content:center;width:100%;min-height:0;display:grid}.board>*{grid-area:1/1}.board canvas{border-radius:12px;display:block}.overlay{color:#fff;text-align:center;cursor:pointer;background:#0a0c1099;border:0;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:16px;display:flex}.overlay strong{font-size:1.6rem}.overlay span{color:#ffffffbf}.controls{flex-wrap:wrap;justify-content:center;gap:6px;display:flex}.chip{border:1px solid var(--line);background:var(--card);cursor:pointer;border-radius:12px;justify-content:center;align-items:center;gap:6px;min-width:44px;min-height:44px;padding:0 12px;font-size:.9rem;display:inline-flex}.chip[aria-pressed=true]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.chip:disabled{opacity:.45;cursor:default}.board.fit{container-type:size}.fit .grid{--cell:min(100cqw / var(--cols), 100cqh / var(--rows));grid-template-columns:repeat(var(--cols), minmax(0, 1fr));grid-template-rows:repeat(var(--rows), minmax(0, 1fr));width:calc(var(--cell) * var(--cols));height:calc(var(--cell) * var(--rows));font-size:calc(var(--cell) * .5);display:grid}dialog{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);width:min(92vw,420px);color:var(--fg);padding:20px}dialog::backdrop{background:#00000080}dialog h2{margin:0 0 8px;font-size:1.25rem}dialog p{margin:0 0 12px}dialog form{justify-content:flex-end;display:flex}