:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#eef1f4;background:#0b0e12;font-synthesis:none;color-scheme:dark}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:radial-gradient(circle at 20% 0%,rgba(199,145,82,.16),transparent 34rem),radial-gradient(circle at 100% 30%,rgba(83,126,192,.12),transparent 38rem),#0b0e12}button,select,input{font:inherit}button{cursor:pointer}code{color:#ffc875}#app{width:min(1600px,100%);margin:0 auto;padding:18px}.topbar{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:14px}.eyebrow{color:#d39b5d;font-weight:800;font-size:.72rem;letter-spacing:.16em}h1{margin:4px 0 0;font-size:clamp(1.6rem,3vw,2.5rem);line-height:1}h1 span{display:block;margin-top:8px;color:#8f98a4;font-size:.42em;font-weight:600;letter-spacing:.06em}.live-pill{display:flex;align-items:center;gap:8px;color:#a8b1bd;border:1px solid #252d36;padding:9px 12px;border-radius:999px;background:#11151bc7;font-size:.8rem}.live-pill span{width:9px;height:9px;border-radius:50%;background:#42d17a;box-shadow:0 0 12px #42d17a}.layout{display:grid;grid-template-columns:minmax(0,1fr) 370px;gap:14px;min-height:calc(100vh - 110px)}.board-card,.panel>section{border:1px solid #252c35;background:#11151be6;box-shadow:0 18px 50px #00000038}.board-card{position:relative;min-height:680px;overflow:hidden;border-radius:22px}#board3d{position:absolute;inset:0}#board3d canvas{display:block;width:100%;height:100%}.board-overlay{position:absolute;left:14px;right:14px;bottom:14px;display:flex;align-items:center;justify-content:space-between;gap:12px;pointer-events:none}.board-overlay>*{pointer-events:auto}#coordHint{color:#bac2cd;background:#07090cad;border:1px solid #303944;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:8px 11px;border-radius:999px;font-size:.78rem}.panel{display:flex;flex-direction:column;gap:12px}.panel>section{border-radius:18px;padding:16px}.panel h2{margin:0 0 12px;font-size:1rem}.turn-row{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:11px}.stone{width:40px;height:40px;border-radius:50%;box-shadow:inset -5px -6px 10px #00000059,0 6px 12px #0000004d}.stone.black{background:linear-gradient(145deg,#30343b,#050607)}.stone.white{background:linear-gradient(145deg,#fff,#cfd4da)}.muted{color:#89939f}.small{font-size:.78rem;line-height:1.45}.move-number{color:#d39b5d;font-weight:800}.score-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px}.score-grid div{background:#0d1116;border:1px solid #242c35;padding:9px;border-radius:12px}.score-grid span{display:block;color:#7f8996;font-size:.7rem}.score-grid strong{font-size:1.05rem}.outcome{margin-top:12px;border-radius:12px;padding:11px;background:#182319;border:1px solid #345b39;color:#baf1c3;font-weight:700}.hidden{display:none!important}label{display:grid;gap:6px;color:#9ba5b1;font-size:.78rem;margin-bottom:10px}select,input{width:100%;border:1px solid #2b343f;background:#0c1015;color:#f0f2f4;border-radius:10px;padding:9px 10px;outline:none}select:focus,input:focus{border-color:#b9834c;box-shadow:0 0 0 3px #b9834c1f}.split{display:grid;grid-template-columns:1fr 1fr;gap:9px}.actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}button{border:1px solid #303946;color:#e7ebef;background:#161c23;border-radius:10px;padding:9px 11px;font-weight:700}button:hover{background:#202832}button.primary{background:linear-gradient(135deg,#b87a3f,#d9a365);color:#160f09;border-color:#dfad72}button.danger{color:#ffb4ae;border-color:#673733}button.ghost{background:#0b0e12b8;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}button:disabled{cursor:not-allowed;opacity:.45}.online-actions{margin-bottom:10px}.online-status{padding:9px 10px;border-radius:10px;background:#0c1015;color:#9ca6b2;font-size:.78rem;border:1px solid #242c35}.rules-card ul{margin:0;padding-left:18px;color:#9aa4b0;font-size:.8rem;line-height:1.75}@media(max-width:980px){#app{padding:10px}.topbar{align-items:start;flex-direction:column}.layout{grid-template-columns:1fr}.board-card{min-height:68vh}.panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.panel{grid-template-columns:1fr}.board-card{min-height:62vh}.board-overlay{align-items:flex-start;flex-direction:column}#coordHint{max-width:90%;border-radius:12px}}