:root{--felt:#0e3a2d;--felt-deep:#092a20;--rail:#134637;--rail-line:#24604c;--ivory:#f2eada;--muted:#a9bdb2;--brass:#d9a84a;--brass-ink:#2b1e05;--danger:#ee6a50;--reach:#8ccde6;--sq-light:#e6cda2;--sq-dark:#a2713f;--piece-dark:#1a1714;--die:#f7f2e6;--pip:#1a1714;--font-display:"Big Shoulders Display", "Arial Narrow", Impact, sans-serif;--font-body:"IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono:"IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;--font-pieces:"Noto Sans Symbols 2", "Segoe UI Symbol", "DejaVu Sans", "Apple Symbols", serif;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}[hidden]{display:none!important}html,body{background:var(--felt);color:var(--ivory);margin:0}body{font-family:var(--font-body);padding-left:max(16px, env(safe-area-inset-left,0px));padding-right:max(16px, env(safe-area-inset-right,0px));background:radial-gradient(ellipse at 30% 20%, #ffffff0d, transparent 60%), var(--felt);min-height:100vh;padding-block:16px 32px;font-size:15px;line-height:1.5}button{font:inherit;color:inherit;cursor:pointer}button:focus-visible,summary:focus-visible{outline:2px solid var(--brass);outline-offset:2px}.wrap{gap:16px;max-width:1040px;margin:0 auto;display:grid}.topbar{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.mark{font-family:var(--font-display);letter-spacing:.08em;align-items:center;gap:10px;font-size:34px;font-weight:800;line-height:1;display:flex}.mark .cube{width:26px;height:26px}.sub{color:var(--muted);font-size:13px}.topbar .spacer{flex:1}.btn{border:1px solid var(--rail-line);background:var(--rail);border-radius:8px;padding:8px 14px;font-size:14px;font-weight:500}.btn:hover{border-color:var(--brass)}.btn.primary{background:var(--brass);color:var(--brass-ink);border-color:var(--brass);font-weight:600}.btn.primary:hover{filter:brightness(1.08)}.table{grid-template:"board status""board log"1fr/minmax(0,600px) minmax(0,1fr);align-items:start;gap:20px;display:grid}@media (width<=820px){.table{grid-template-columns:minmax(0,1fr);grid-template-areas:"status""board""log"}}.board-area{grid-area:board;gap:10px;min-width:0;display:grid}.status{grid-area:status}.logbox{grid-area:log}.panel{background:var(--rail);border:1px solid var(--rail-line);border-radius:12px;min-width:0;padding:14px 16px}.label{letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-size:11px;font-weight:600}.board-frame{background:#3a2615;border-radius:10px;padding:10px;position:relative;box-shadow:0 10px 30px #00000059,inset 0 0 0 2px #5a3a1e}.board{grid-template-columns:repeat(var(--files,8), 1fr);aspect-ratio:var(--files,8) / var(--ranks,8);border-radius:3px;width:100%;display:grid;overflow:hidden;container-type:inline-size}.sq{aspect-ratio:1;background:var(--sq-light);border:0;place-items:center;padding:0;display:grid;position:relative}.sq.dark{background:var(--sq-dark)}.sq 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#ffffff40}.die{aspect-ratio:1;background:var(--die);pointer-events:none;border-radius:18%;grid-template-rows:repeat(3,1fr);grid-template-columns:repeat(3,1fr);width:34%;margin-inline:auto;padding:12%;display:grid;position:absolute;bottom:3%;left:0;right:0;box-shadow:0 1px 2px #0000008c,inset 0 -1px #0000002e}@media (width<=520px){.die{width:40%;padding:11%;bottom:2%}}.die.w{box-shadow:0 0 0 .45cqi var(--pip), 0 1px 2px #0000008c, inset 0 -1px 0 #0000002e}.die i{aspect-ratio:1;border-radius:50%;place-self:center;width:72%;display:block}.die i.on{background:var(--pip)}@media (prefers-reduced-motion:no-preference){.die.roll{animation:.55s cubic-bezier(.3,.7,.4,1.2) roll}@keyframes roll{0%{transform:rotate(-200deg)scale(.4)}70%{transform:rotate(12deg)scale(1.1)}to{transform:none}}}.dot{aspect-ratio:1;pointer-events:none;background:#2b1e0573;border-radius:50%;width:26%;position:absolute}.sq.move .dot{background:#2b1e056b}.sq.cap:after{content:"";pointer-events:none;border:.9cqi solid #2b1e058c;border-radius:50%;position:absolute;inset:4%}.sq.reach .dot{background:#8ccde6d9;box-shadow:0 0 0 .4cqi #092a2080}.sq.reachcap:after{content:"";border:.9cqi solid var(--reach);pointer-events:none;border-radius:50%;position:absolute;inset:4%}.sq.danger{box-shadow:inset 0 0 0 .7cqi var(--danger)}.sq:hover{filter:brightness(1.06)}.legend{color:var(--muted);flex-wrap:wrap;gap:6px 16px;font-size:12px;display:flex}.legend span{align-items:center;gap:6px;display:inline-flex}.legend b{border-radius:50%;width:12px;height:12px;display:inline-block}.board-overlay{background:#092a20b8;border-radius:10px;place-items:center;padding:16px;display:grid;position:absolute;inset:0}.overlay-card{background:var(--rail);border:1px solid var(--rail-line);text-align:center;border-radius:12px;gap:12px;max-width:360px;padding:20px;display:grid}.overlay-card h2{font-family:var(--font-display);letter-spacing:.04em;text-wrap:balance;margin:0;font-size:34px;font-weight:800;line-height:1.05}.overlay-card p{color:var(--muted);margin:0}.row{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;display:flex}.turnline{align-items:center;gap:10px;display:flex}.chip{border:2px solid var(--brass);border-radius:50%;flex:none;width:18px;height:18px}.chip.w{background:var(--ivory)}.chip.b{background:var(--piece-dark)}.turn{font-family:var(--font-display);letter-spacing:.03em;font-size:30px;font-weight:800;line-height:1}.turnno{font-family:var(--font-mono);color:var(--muted);margin-left:auto;font-size:12px}.msg{color:var(--ivory);margin:10px 0 0;font-size:14px}.room{flex-wrap:wrap;align-items:center;gap:8px;margin-top:10px;display:flex}.room .label{flex-basis:100%}.room input{min-width:0;font:12.5px var(--font-mono);color:var(--ivory);background:var(--felt-deep);border:1px solid var(--rail-line);border-radius:8px;flex:1;padding:8px 10px}.warn{background:#ee6a5024;border:1px solid #ee6a5080;border-radius:8px;margin-top:10px;padding:10px 12px;font-size:14px}.warn 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