:root{color-scheme:dark;--bg:#070b18;--panel:#0e1630;--line:#23315b;--cyan:#43f5ff;--pink:#ff4ecd;--text:#ecf7ff;--muted:#8290b5}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 50% 20%,#162451 0,#090e20 38%,#050711 75%);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,sans-serif;display:grid;place-items:center;overflow-x:hidden}.shell{width:min(920px,96vw);padding:32px 18px}header{text-align:center;margin-bottom:22px}.eyebrow{color:var(--cyan);font-size:11px;letter-spacing:.42em;margin:0 0 7px}h1{font-size:clamp(38px,7vw,68px);line-height:.9;letter-spacing:-.06em;margin:0;text-shadow:0 0 28px #43f5ff50}h1 span{color:var(--pink)}.game-layout{display:grid;grid-template-columns:160px 300px 160px;gap:20px;justify-content:center;align-items:start}.panel,.board-wrap{background:linear-gradient(145deg,#111b38dd,#090f23dd);border:1px solid var(--line);box-shadow:0 20px 60px #0008,0 0 25px #43f5ff0c}.panel{border-radius:14px;padding:18px}.stats div{padding:11px 0;border-bottom:1px solid #23315b}.panel small{display:block;color:var(--muted);font-size:10px;letter-spacing:.2em}.panel strong{display:block;font-size:26px;margin-top:4px;font-variant-numeric:tabular-nums}.board-wrap{position:relative;padding:8px;border-radius:12px;line-height:0}#board{display:block;width:100%;height:auto;background:#050917;border-radius:5px}.overlay{position:absolute;inset:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;line-height:1.4;background:#050917e8;backdrop-filter:blur(4px);border-radius:5px}.overlay.hidden{display:none}.overlay h2{font-size:34px;margin:0;color:var(--cyan)}.overlay p{font-size:13px;color:var(--muted);margin:8px 0 20px}button{border:1px solid var(--cyan);background:#43f5ff12;color:var(--cyan);font-weight:800;letter-spacing:.12em;padding:11px 14px;border-radius:6px;cursor:pointer;box-shadow:0 0 18px #43f5ff1f}button:hover{background:var(--cyan);color:#07101d}.stats button{width:100%;margin-top:18px}.next-panel{text-align:center}#next{width:100%;height:auto;margin:10px 0 22px;background:#080d1d;border-radius:7px}.controls{text-align:left;border-top:1px solid var(--line);padding-top:16px}.controls p{font-size:11px;color:var(--muted);margin:9px 0}kbd{display:inline-block;min-width:23px;padding:3px 5px;margin-right:3px;text-align:center;color:var(--text);background:#1c2850;border:1px solid #344675;border-radius:4px;box-shadow:0 2px 0 #050917}footer{text-align:center;color:#536184;font-size:11px;letter-spacing:.08em;margin-top:20px}@media(max-width:700px){.game-layout{grid-template-columns:minmax(0,300px)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.stats div{padding:0;border:0}.stats button{grid-column:1/-1;margin-top:3px}.next-panel{display:none}}