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40px;display:grid}.mode[data-astro-cid-g52zri7f]{border:1px solid var(--border);background:var(--surface);color:var(--muted);cursor:pointer;text-align:left;border-radius:16px;align-items:center;gap:12px;padding:14px 16px;font-family:inherit;transition:border-color .18s,background .18s,color .18s;display:flex}.mode[data-astro-cid-g52zri7f]:hover{border-color:var(--border-strong);color:var(--text)}.mode[data-astro-cid-g52zri7f].is-active{color:var(--text);background:#2f7bff1f;border-color:#78aaff99}.mode-icon[data-astro-cid-g52zri7f]{width:40px;height:40px;color:var(--brand-2);background:#2f7bff24;border-radius:11px;flex:none;place-items:center;display:grid}.mode-text[data-astro-cid-g52zri7f]{flex-direction:column;min-width:0;display:flex}.mode-text[data-astro-cid-g52zri7f] strong[data-astro-cid-g52zri7f]{font-size:14.5px;font-weight:600}.mode-text[data-astro-cid-g52zri7f] 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small[data-astro-cid-g52zri7f]{color:var(--muted-soft);font-size:12px}.ultra[data-astro-cid-g52zri7f] input[data-astro-cid-g52zri7f]{opacity:0;pointer-events:none;position:absolute}.switch[data-astro-cid-g52zri7f]{border:1px solid var(--border-strong);background:#ffffff1f;border-radius:999px;flex:none;width:46px;height:27px;transition:background .2s;position:relative}.switch[data-astro-cid-g52zri7f]:after{content:"";background:#fff;border-radius:50%;width:20px;height:20px;transition:transform .2s;position:absolute;top:2.5px;left:3px}.ultra[data-astro-cid-g52zri7f] input[data-astro-cid-g52zri7f]:checked+.switch[data-astro-cid-g52zri7f]{background:linear-gradient(#fb923c,#f97316);border-color:#0000}.ultra[data-astro-cid-g52zri7f] input[data-astro-cid-g52zri7f]:checked+.switch[data-astro-cid-g52zri7f]:after{transform:translate(19px)}.ultra[data-astro-cid-g52zri7f] input[data-astro-cid-g52zri7f]:focus-visible+.switch[data-astro-cid-g52zri7f]{outline:2px solid var(--brand-2);outline-offset:2px}.play-area[data-astro-cid-g52zri7f]{grid-template-columns:1fr 320px;align-items:start;gap:32px;max-width:860px;margin:0 auto;display:grid}.board-side[data-astro-cid-g52zri7f]{flex-direction:column;align-items:center;gap:20px;display:flex}.status[data-astro-cid-g52zri7f]{border:1px solid var(--border);background:var(--surface);min-height:30px;font-family:var(--font-display);color:var(--text);border-radius:999px;align-items:center;gap:10px;padding:8px 18px;font-size:15px;font-weight:600;display:inline-flex}.status[data-astro-cid-g52zri7f].win-x{color:#8fc0ff;background:#5b9dff1f;border-color:#5b9dff80}.status[data-astro-cid-g52zri7f].win-o{color:#f9a8d4;background:#f472b61f;border-color:#f472b680}.status[data-astro-cid-g52zri7f][data-turn]:before{content:"";border-radius:50%;width:8px;height:8px}.status[data-astro-cid-g52zri7f][data-turn=X]:before{background:#5b9dff;box-shadow:0 0 0 4px 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svg.x{stroke:#5b9dff;filter:drop-shadow(0 0 9px #5b9dff73)}.cell[data-astro-cid-g52zri7f] svg.o{stroke:#f472b6;filter:drop-shadow(0 0 9px #f472b673)}.cell[data-astro-cid-g52zri7f] svg{animation:.18s pop}@keyframes pop{0%{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}.controls[data-astro-cid-g52zri7f]{gap:12px;display:flex}.btn-reset[data-astro-cid-g52zri7f]{font-size:14.5px;font-weight:600;font-family:var(--font-display);color:#07101f;cursor:pointer;background:linear-gradient(#fff,#dfe8f7);border:none;border-radius:12px;align-items:center;gap:9px;padding:12px 20px;transition:transform .15s;display:inline-flex}.btn-reset[data-astro-cid-g52zri7f]:hover{transform:translateY(-1px)}.info-side[data-astro-cid-g52zri7f]{flex-direction:column;gap:18px;display:flex}.scoreboard[data-astro-cid-g52zri7f]{border:1px solid var(--border);background:var(--surface);border-radius:18px;grid-template-columns:repeat(3,1fr);gap:10px;padding:16px;display:grid}.score[data-astro-cid-g52zri7f]{text-align:center;flex-direction:column;align-items:center;gap:6px;display:flex}.score-label[data-astro-cid-g52zri7f]{color:var(--muted-soft);font-size:12px}.score-val[data-astro-cid-g52zri7f]{font-family:var(--font-display);font-size:1.7rem;font-weight:700}.score-x[data-astro-cid-g52zri7f] .score-val[data-astro-cid-g52zri7f]{color:#5b9dff}.score-o[data-astro-cid-g52zri7f] .score-val[data-astro-cid-g52zri7f]{color:#f472b6}.mode-desc[data-astro-cid-g52zri7f]{border:1px solid var(--border);background:var(--surface);color:var(--muted);border-radius:16px;margin:0;padding:16px 18px;font-size:.92rem;line-height:1.55}.ai-panel[data-astro-cid-g52zri7f]{background:linear-gradient(#2f7bff1a,#ffffff03);border:1px solid #78aaff4d;border-radius:18px;padding:18px}.ai-head[data-astro-cid-g52zri7f]{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.ai-title[data-astro-cid-g52zri7f]{color:var(--text);align-items:center;gap:8px;font-size:14px;font-weight:600;display:inline-flex}.ai-title[data-astro-cid-g52zri7f] svg{color:var(--brand-2)}.ai-level[data-astro-cid-g52zri7f]{color:var(--brand-2);background:#2f7bff2e;border-radius:999px;padding:3px 10px;font-size:11.5px;font-weight:700}.ai-bar[data-astro-cid-g52zri7f]{background:#ffffff14;border-radius:999px;height:7px;overflow:hidden}.ai-bar[data-astro-cid-g52zri7f] span[data-astro-cid-g52zri7f]{background:linear-gradient(90deg, var(--brand), var(--brand-2));border-radius:999px;width:0%;height:100%;transition:width .4s;display:block}.ai-stats[data-astro-cid-g52zri7f]{grid-template-columns:repeat(4,1fr);gap:8px;margin:16px 0;display:grid}.ai-stats[data-astro-cid-g52zri7f] div[data-astro-cid-g52zri7f]{flex-direction:column;align-items:center;gap:2px;display:flex}.ai-stats[data-astro-cid-g52zri7f] strong[data-astro-cid-g52zri7f]{font-family:var(--font-display);font-size:1.1rem;font-weight:700}.ai-stats[data-astro-cid-g52zri7f] span[data-astro-cid-g52zri7f]{color:var(--muted-soft);text-align:center;font-size:10.5px}.btn-forget[data-astro-cid-g52zri7f]{border:1px solid var(--border);width:100%;color:var(--muted);cursor:pointer;background:0 0;border-radius:11px;justify-content:center;align-items:center;gap:8px;padding:10px;font-size:13px;font-weight:500;transition:color .18s,border-color .18s;display:inline-flex}.btn-forget[data-astro-cid-g52zri7f]:hover{color:#fca5a5;border-color:#f8717166}.ai-note[data-astro-cid-g52zri7f]{color:#fcd34d;background:#fb923c1a;border:1px solid #fb923c4d;border-radius:11px;margin:12px 0 0;padding:10px 12px;font-size:12px;line-height:1.45}@media 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