:root{font-family:system-ui,-apple-system,sans-serif;color:#24382f;background:#f3f5ef}*{box-sizing:border-box}body{margin:0}main{max-width:820px;margin:36px auto;padding:0 20px 40px}.eyebrow{font-size:12px;letter-spacing:.22em;color:#668070}h1{font-size:36px;margin:10px 0}header p{color:#6c786e;margin:0 0 28px}.settings{display:flex;gap:14px;align-items:end;flex-wrap:wrap;margin-bottom:22px}label{display:grid;gap:7px;font-size:13px}select,button{font:inherit;border:1px solid #c9d3c8;border-radius:9px;padding:11px 16px;background:#fff;color:#24382f}button{cursor:pointer}button:hover:enabled{background:#e5eee2}button:disabled{opacity:.45;cursor:default}.primary{background:#284f3d;color:#fff;border-color:#284f3d}.primary:hover:enabled{background:#37664f}.game{padding:20px;border:1px solid #d9dfd5;background:#fff;border-radius:18px;box-shadow:0 12px 35px #24382f08}.gamebar{display:flex;justify-content:space-between;font-size:13px;color:#64756a}#status{min-height:26px;margin:14px 0;font-weight:600}.board-wrap{overflow:hidden;border-radius:9px;background:#dfbb7b}canvas{display:block;width:100%;height:auto;touch-action:manipulation;cursor:crosshair}canvas:focus-visible{outline:3px solid #48715b;outline-offset:-3px}.actions{display:flex;gap:12px;margin-top:18px}.hint{color:#778176;font-size:12px;margin-bottom:0}details{margin-top:22px;font-size:13px;line-height:1.8;color:#617063}summary{cursor:pointer;font-weight:600}@media(max-width:520px){main{margin:20px auto;padding:0 12px 24px}.game{padding:12px}.settings{gap:9px}select,button{padding:10px 12px}h1{font-size:30px}.hint{line-height:1.7}}
footer{margin-top:28px;text-align:center;font-size:13px}footer a{color:#617063;text-underline-offset:3px}footer a:hover{color:#284f3d}