:root{--bg: #0a0e18;--panel: #131b2e;--panel2: #1a2440;--ink: #e9eefb;--sub: #94a3c4;--line: #28344f;--go: #2f9e6b;--go2: #38c184;--p1: #5b9bff;--p2: #ffb454}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:radial-gradient(900px 520px at 50% -10%,#16203a 0%,transparent 60%),var(--bg);color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.nm-root{min-height:100vh;display:flex;gap:28px;align-items:center;justify-content:center;padding:24px;flex-wrap:wrap}.nm-stage{position:relative;background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:0 18px 50px #00000080}#board{display:block;width:min(82vmin,520px);height:auto;cursor:pointer;touch-action:manipulation;border-radius:12px}.nm-overlay{position:absolute;inset:0;display:none;align-items:center;justify-content:center;border-radius:18px;background:#070b14bd;backdrop-filter:blur(3px)}.nm-overlay.show{display:flex}.nm-end{text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px 30px;box-shadow:0 20px 50px #00000080}.nm-end h2{margin:0 0 14px;font-size:26px}.nm-end-stats{display:flex;gap:26px;justify-content:center;margin-bottom:18px}.nm-end-stats div{display:flex;flex-direction:column;gap:4px}.nm-end-stats span{font-size:12px;font-weight:600}.nm-end-stats b{font-size:30px}.nm-panel{width:300px;background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 18px 50px #00000073}h1{margin:0 0 6px;font-size:24px;font-weight:800}.nm-sub{margin:0 0 16px;color:var(--sub);font-size:13px;line-height:1.5}.nm-sub b{color:var(--ink)}.nm-seg{display:flex;gap:5px;margin-bottom:9px;background:#00000042;padding:5px;border-radius:12px}.nm-seg button{flex:1;border:0;border-radius:8px;padding:8px 4px;background:transparent;color:var(--sub);font:inherit;font-weight:600;font-size:13px;cursor:pointer}.nm-seg button.on{background:var(--panel2);color:var(--ink);box-shadow:inset 0 0 0 1px var(--line)}.nm-scores{display:flex;gap:10px;margin:16px 0 8px}.nm-score{flex:1;display:flex;align-items:center;gap:8px;background:#00000038;border:1px solid transparent;border-radius:12px;padding:10px 12px}.nm-score span:nth-child(2){color:var(--sub);font-size:13px;flex:1}.nm-score b{font-size:22px;font-variant-numeric:tabular-nums}.nm-score.active{border-color:var(--ink)}#sc1.active{border-color:var(--p1);box-shadow:0 0 0 2px #5b9bff2e}#sc2.active{border-color:var(--p2);box-shadow:0 0 0 2px #ffb4542e}.nm-dot{width:14px;height:14px;border-radius:50%}.nm-dot.p1{background:var(--p1)}.nm-dot.p2{background:var(--p2)}.nm-turn{text-align:center;font-weight:700;margin:6px 0 4px;min-height:22px}.nm-foot{display:flex;gap:8px;margin-top:10px}.nm-btn{flex:1;border:1px solid var(--line);border-radius:10px;padding:11px;background:var(--panel2);color:var(--ink);font:inherit;font-weight:600;cursor:pointer;transition:filter .15s,transform .05s}.nm-btn:hover{filter:brightness(1.15)}.nm-btn:active{transform:translateY(1px)}.nm-go{background:linear-gradient(180deg,var(--go2),var(--go));border-color:transparent}.nm-mini{flex:0 0 auto;padding:9px 14px}.nm-help{margin-top:14px;background:#00000040;border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:12.5px;color:var(--sub);line-height:1.55}.nm-help.hidden{display:none}.nm-help b{color:var(--ink)}.nm-help ul{margin:8px 0 0;padding-left:18px}.nm-help li{margin-bottom:6px}@media(max-width:720px){.nm-root{flex-direction:column;gap:16px}.nm-panel{width:min(92vw,520px)}}.nm-rw{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;margin:4px 0 2px}.nm-rw:empty{display:none}