.ch-start-card{text-align:center;background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;padding:30px 22px}.ch-start-glyph{font-size:4.5rem;line-height:1;animation:5s ease-in-out infinite float}.ch-setup-h{font-family:var(--display);margin:16px 0 8px;font-size:1.02rem}.ch-opts{grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;display:grid}.ch-opt{border:1.5px solid var(--line);background:var(--card2);color:var(--ink);cursor:pointer;text-align:left;border-radius:14px;flex-direction:column;gap:2px;padding:10px 12px;font-family:inherit;font-size:1.1rem;display:flex}.ch-opt b{font-size:.9rem}.ch-opt span{color:var(--muted);font-size:.75rem;font-weight:600}.ch-opt.sel{border-color:var(--teal);box-shadow:0 0 0 3px #0ea5a42e}.ch-status{text-align:center;font-family:var(--display);margin:6px 0 4px;font-size:clamp(1.2rem,3.4vw,1.7rem);font-weight:800}.ch-think{text-align:center;color:var(--muted);min-height:1.4em;font-size:.9rem;font-weight:700}.ch-layout{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:16px;margin-top:10px;display:grid}@media (width<=900px){.ch-layout{grid-template-columns:1fr}}.ch-player{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;flex-wrap:wrap;align-items:center;gap:10px;margin:8px 0;padding:8px 12px;display:flex}.ch-turn-dot{background:color-mix(in srgb,var(--ink) 15%,transparent);border-radius:50%;flex:none;width:12px;height:12px}.ch-turn-dot.on{background:var(--leaf);animation:2s infinite pulse;box-shadow:0 0 10px #16a34acc}.ch-pname{font-weight:900}.ch-clock{font-variant-numeric:tabular-nums;background:var(--card2);border:1px solid var(--line);border-radius:10px;margin-left:auto;padding:4px 10px;font-weight:900}.ch-clock.low{color:#b23a1d;background:#ffe1d6;border-color:#f65e3b;animation:.4s shake}.ch-caps{letter-spacing:1px;min-height:1.3em;color:var(--muted);font-size:1.05rem}.ch-board-frame{position:relative}.ch-board{box-shadow:var(--shadow-lg);touch-action:manipulation;-webkit-user-select:none;user-select:none;aspect-ratio:1;border:3px solid #6b4f35;border-radius:14px;grid-template-columns:repeat(8,1fr);width:100%;display:grid;overflow:hidden}.ch-sq{cursor:pointer;aspect-ratio:1;place-items:center;display:grid;position:relative}.ch-sq.lt{background:#f0d9b5}.ch-sq.dk{background:#b58863}.ch-sq .co{opacity:.75;pointer-events:none;font-size:clamp(.5rem,1.6vw,.68rem);font-weight:800;position:absolute}.ch-lt .co{color:#b58863}.ch-dk .co{color:#f0d9b5}.ch-co-f{bottom:1px;right:3px}.ch-co-r{top:1px;left:3px}.ch-pc{pointer-events:none;z-index:2;font-size:clamp(1.6rem,7vw,2.9rem);line-height:1}.ch-pc.w{color:#fafafa;text-shadow:0 0 2px #000,0 2px 3px #000000b3}.ch-pc.b{color:#151515;text-shadow:0 0 2px #fff,0 2px 3px #0006}.ch-sq.sel{outline-offset:-3px;outline:3px solid #16a34a}.ch-sq.last:after{content:"";pointer-events:none;background:#ffd54f73;position:absolute;inset:0}.ch-sq.mv:before{content:"";z-index:1;pointer-events:none;background:#16a34a8c;border-radius:50%;width:28%;height:28%;position:absolute}.ch-sq.cap:before{content:"";z-index:1;pointer-events:none;border:4px solid #16a34aa6;border-radius:50%;position:absolute;inset:6%}.ch-sq.check:after{content:"";pointer-events:none;background:radial-gradient(circle,#dc2626d9 20%,#dc262640 65%,#0000 75%);position:absolute;inset:0}.ch-sq:hover{filter:brightness(1.07)}.ch-sq.bad{animation:.3s shake}.ch-overlay{backdrop-filter:blur(4px);z-index:10;background:#080c1a8c;border-radius:14px;place-items:center;padding:16px;display:grid;position:absolute;inset:0}.ch-overlay[hidden]{display:none}.ch-pop{background:var(--card);border:1px solid var(--line);text-align:center;box-shadow:var(--shadow-lg);border-radius:20px;width:100%;max-width:340px;padding:22px}.ch-pop h2{font-family:var(--display);margin:6px 0 2px;font-size:1.5rem}.ch-pop h3{margin:0 0 10px;font-size:1.05rem}.ch-over-emoji{font-size:3rem}.ch-over-reason{color:var(--muted);margin:0 0 12px;font-weight:600}.ch-promo-row{justify-content:center;gap:10px;display:flex}.ch-promo-row button{border:1.5px solid var(--line);background:var(--card2);cursor:pointer;width:64px;height:64px;color:var(--ink);border-radius:14px;font-size:2.4rem}.ch-promo-row button:hover{border-color:var(--teal);transform:scale(1.06)}.ch-side{flex-direction:column;gap:16px;display:flex}.ch-side-box{margin-top:0!important}.ch-side-box h2{margin:0 0 10px!important;font-size:1.05rem!important}.ch-ctrls{grid-template-columns:1fr 1fr;gap:8px;display:grid}.ch-moves{max-height:300px;margin:0;padding:0;font-size:.88rem;font-weight:600;list-style:none;overflow-y:auto}.ch-moves li{color:var(--muted);padding:2px 0}.ch-moves li:nth-child(odd){background:color-mix(in srgb,var(--ink) 4%,transparent);border-radius:8px}.ch-moves-empty{color:var(--muted)}.ch-mv{border-radius:6px;min-width:52px;padding:1px 6px;display:inline-block}.ch-mv.cur{background:var(--grad);color:#fff}#chHowto{scroll-margin-top:80px}