:root{--ink:#182d25;--paper:#f2f0e4;--muted:#506454;--lime:#c6e65c;--line:#cbd1bc;--dark:#193f2a;--space:1rem}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.shell{max-width:760px;margin:auto;padding:2.5rem 1.25rem}header{display:flex;align-items:end;justify-content:space-between;margin-bottom:1.5rem;gap:1rem}.eyebrow,.under,.controls p,footer,.scorebox span{font-size:.66rem;font-weight:700;letter-spacing:.12em}.eyebrow{color:var(--muted)}h1{font-family:system-ui,sans-serif;font-size:clamp(2.5rem,8vw,4.5rem);letter-spacing:-.07em;line-height:.95;margin:.45rem 0}h1 span{color:#6c8d4b}.sub{font-size:.8rem;color:var(--muted)}.scores{display:flex;gap:.5rem}.scorebox{border:1px solid var(--line);border-radius:12px;padding:.8rem 1.1rem;min-width:90px;text-align:center}.scorebox span{display:block;color:var(--muted)}.scorebox strong{font-size:2rem}.game{background:var(--dark);padding:12px;border-radius:16px}.board-wrap{position:relative}canvas{display:block;width:100%;height:auto;border-radius:8px}.overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#183b2ac9;color:white;border-radius:8px}.overlay[hidden]{display:none}.overlay p{font:700 clamp(1.5rem,5vw,2.5rem) system-ui,sans-serif;letter-spacing:-.04em}.overlay button{background:var(--lime);color:var(--ink);padding:1rem 1.5rem;border:0;border-radius:8px;font:700 .85rem inherit;cursor:pointer}.under{color:#c5d8b2;display:flex;align-items:center;justify-content:space-between;gap:1rem}.under span{opacity:1}.text-button{background:none;border:0;color:#d6e8c6;font:inherit;cursor:pointer}.controls{display:flex;align-items:center;justify-content:space-between;margin-top:1.5rem}.controls p{color:var(--muted)}.pad{text-align:center}.pad button{width:52px;height:46px;margin:2px;background:#e0e8d1;border:1px solid #b9c7ad;border-radius:8px;color:var(--dark);font-size:1.4rem;cursor:pointer;touch-action:manipulation}button:focus-visible{outline:3px solid #e76f51;outline-offset:3px}button:hover{filter:brightness(.95)}footer{border-top:1px solid var(--line);margin-top:2rem;padding-top:1.2rem;color:var(--muted);line-height:1.8}footer span{color:#e76f51;margin:0 .6rem}@media(max-width:480px){header{flex-wrap:wrap}.shell{padding:1.5rem 1rem}.scorebox{min-width:72px;padding:.5rem}.under{font-size:.55rem}.controls{gap:1rem}.pad button{width:46px;height:42px}}