:root{color-scheme:dark;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#101b1d;color:#e9efeb;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-height:100svh;display:grid;place-items:center;background:radial-gradient(ellipse at 50% 10%,#233536 0,transparent 65%),#101b1d}button{font:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}button:focus-visible{outline:3px solid #bcf06b;outline-offset:5px}.game-shell{width:min(100% - 48px,640px);padding:32px 0 24px}.header{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}h1{display:flex;align-items:center;gap:12px;font-size:25px;font-weight:650;letter-spacing:-.8px;margin:0}h1 svg{width:29px;fill:none;stroke:#bcf06b;stroke-width:5;stroke-linecap:round;stroke-linejoin:round}.scores{display:flex;gap:30px}.scores div{display:grid;gap:3px;min-width:47px}.scores span{font-size:11px;color:#93a5a3}.scores strong{font-size:26px;font-weight:600;line-height:1;letter-spacing:-1px;font-variant-numeric:tabular-nums}.scores div:first-child strong{color:#bcf06b}.board-wrap{position:relative;aspect-ratio:1;border:1px solid #354344;border-radius:23px;overflow:hidden;background:#172729;box-shadow:0 25px 75px #0003,0 1px 0 #ffffff09 inset}canvas{display:block;width:100%;height:100%}.overlay{position:absolute;inset:0;display:grid;place-items:center;background:#15242699;backdrop-filter:blur(5px);transition:opacity .2s}.overlay[hidden]{display:none}.overlay-content{text-align:center;padding:24px}.eyebrow{font-size:10px;letter-spacing:3px;color:#bcf06b;font-weight:600}h2{font-size:clamp(26px,5vw,37px);letter-spacing:-1.3px;font-weight:600;margin:15px 0 12px}#description{font-size:14px;color:#a9b9b5;line-height:1.6;margin:0 0 26px}.primary{background:#bcf06b;border:0;border-radius:12px;padding:14px 24px;color:#18281d;font-size:15px;font-weight:650;min-width:155px;box-shadow:0 6px 24px #bcf06b16}.primary span{margin-left:24px;font-size:20px}.primary:hover{background:#cdf68d}.toolbar{display:flex;align-items:center;justify-content:space-between;margin-top:17px;min-height:40px}.desktop-help{display:flex;align-items:center;gap:5px;font-size:11px;color:#8ba09b;margin:0}.desktop-help span{margin:0 5px}kbd{font:inherit;border:1px solid #3b4a48;border-radius:4px;padding:3px 5px;color:#bdccc6;min-width:19px;text-align:center}.divider{height:15px;width:1px;background:#3b4a48}.actions{display:flex;gap:7px}.icon-button{display:grid;place-items:center;width:38px;height:38px;border:1px solid #344644;border-radius:10px;background:#1d2e2e;color:#bdccc6}.icon-button:hover{background:#2b403e}.icon-button:disabled{opacity:.4;cursor:default}.icon-button svg{width:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.touch-help,.touch-controls{display:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (pointer:coarse){.desktop-help{display:none}.touch-help{display:block;font-size:12px;color:#93a5a3}.touch-controls{display:grid;justify-items:center;gap:7px;margin-top:12px}.touch-controls div{display:flex;gap:7px}.touch-controls button{width:50px;height:42px;border:1px solid #3b4c48;background:#1d2e2e;color:#c8d7ce;border-radius:11px;font-size:22px;touch-action:manipulation}}@media(max-width:480px){.game-shell{width:calc(100% - 28px);padding:20px 0}.header{margin-bottom:17px}h1{font-size:22px}.scores{gap:20px}.scores strong{font-size:23px}.board-wrap{border-radius:19px}.desktop-help span{margin:0 2px}.desktop-help{font-size:10px;gap:3px}.divider{display:none}.desktop-help kbd:nth-last-of-type(1),.desktop-help span:last-child{display:none}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}