:root{--bg: #120d08;--panel: #2d2116;--panel-2: #40301f;--text: #f3e8d7;--muted: #b39c80;--accent: #e8a33d;color-scheme:dark}*{box-sizing:border-box}html,body,#app{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-tap-highlight-color:transparent;overflow:hidden}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.game{position:relative;height:100%;max-width:940px;margin-inline:auto;padding:max(10px,env(safe-area-inset-top)) max(10px,env(safe-area-inset-right)) max(10px,env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left));display:flex;flex-direction:column;gap:6px;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.hud{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px}.chips{order:1;display:flex;gap:6px;min-width:0;overflow:hidden}.actions{order:2;display:flex;gap:6px;flex:none;margin-inline-start:auto}.chip{display:inline-flex;align-items:center;gap:7px;min-height:40px;padding-inline:11px;border-radius:10px;background:var(--panel);font-size:16px;font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}.chip.is-turn{box-shadow:inset 0 0 0 1.5px #e8a33d99}.chip-value{color:var(--text)}.dot{width:16px;height:16px;flex:none;border-radius:50%;box-shadow:0 0 0 1.5px #f3e8d773}.dot.is-black{background:radial-gradient(circle at 32% 30%,#68707f,#10141b 78%)}.dot.is-white{background:radial-gradient(circle at 32% 30%,#fff,#c4bbaa 80%)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;min-width:44px;padding:0 16px;border:0;border-radius:10px;background:var(--panel-2);color:var(--text);font:inherit;font-weight:600;cursor:pointer}.btn:active{transform:translateY(1px)}.btn[hidden]{display:none}.btn-icon{padding:0 10px;font-size:17px}.btn-primary{background:var(--accent);color:#3a2708;padding:0 28px;font-size:16px}.btn-ghost{background:transparent;color:var(--muted);font-weight:500;font-size:14px}.status{order:3;flex-basis:100%;margin:0;min-height:1.2em;color:var(--muted);font-size:14px;font-weight:600;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.status.is-thinking{animation:breathe 1.1s ease-in-out infinite}@keyframes breathe{0%,to{opacity:.45}50%{opacity:1}}.board-wrap{position:relative;flex:1;min-height:0;touch-action:none;cursor:crosshair}canvas{position:absolute;inset:0;width:100%;height:100%;display:block}.board-wrap.is-idle canvas{filter:saturate(.6) brightness(.66)}.board-wrap.is-idle{cursor:default}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:12px;background:#0e0a06c7;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);overflow:hidden}.overlay[hidden]{display:none}.overlay-card{display:flex;flex-direction:column;align-items:center;gap:8px;max-width:52ch;max-height:100%;overflow-y:auto;text-align:center}.overlay-title{margin:0;font-size:clamp(19px,4.6vw,28px)}.overlay-line{margin:0;font-size:15px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums}.overlay-line[hidden],.overlay-hint[hidden]{display:none}.overlay-hint{margin:0;color:var(--muted);font-size:13px;line-height:1.45}.overlay-card .btn-primary{position:sticky;bottom:0;box-shadow:0 0 0 7px #0e0a06e6}.field{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:4px 10px}.field-label{color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.switch{display:flex;flex-wrap:wrap;justify-content:center;gap:6px}.seg{min-height:38px;padding:0 13px;border:0;border-radius:9px;background:var(--panel);color:var(--muted);font:inherit;font-size:14px;font-weight:600;font-variant-numeric:tabular-nums;cursor:pointer}.switch[id=sizes] .seg{direction:ltr}.seg.is-on{background:var(--panel-2);color:var(--text);box-shadow:inset 0 0 0 1.5px #e8a33d99}@media(max-width:400px){.chip{padding-inline:9px;gap:6px;font-size:15px}.btn-icon{padding:0 8px}.hud,.chips,.actions{gap:5px}.overlay-card{gap:6px}}@media(max-width:380px)and (max-height:430px){.game{padding:max(6px,env(safe-area-inset-top)) max(6px,env(safe-area-inset-right)) max(6px,env(safe-area-inset-bottom)) max(6px,env(safe-area-inset-left));gap:4px}.chips{display:none}.status{position:absolute;inset-block-end:max(6px,env(safe-area-inset-bottom));inset-inline-start:max(6px,env(safe-area-inset-left));max-width:55%;flex-basis:auto;text-align:start;font-size:12px;pointer-events:none}.overlay-hint{display:none}.overlay{padding-block-end:calc(60px + env(safe-area-inset-bottom))}.overlay-title{font-size:18px}.field{gap:3px}.field-label{font-size:11px}.seg{min-height:34px;padding:0 10px;font-size:12px}}@media(min-width:420px)and (max-height:430px){.game{gap:4px}.chip{min-height:36px}.status{order:2;flex:1 1 0;min-width:0;margin-inline:4px;font-size:12px}.actions{order:3;margin-inline-start:0}.overlay-card{gap:6px}.overlay-hint{display:none}}@media(prefers-reduced-motion:reduce){.btn:active{transform:none}.status.is-thinking{animation:none;opacity:.7}}