*{box-sizing:border-box}body{margin:0;background:#101d29;color:#f1f4ec;font:16px/1.5 system-ui,sans-serif}main{max-width:520px;margin:auto;padding:16px}h1{font-size:clamp(24px,7vw,34px);line-height:1.1;margin:14px 0}h2{font-size:20px}p{margin:12px 0}small,.eyebrow{color:#c4d8d3}.panel{background:#1b303e;border:1px solid #537078;border-radius:15px;padding:12px;margin:14px 0}#board{display:grid;grid-template-columns:repeat(var(--cols),minmax(0,1fr));gap:3px;margin:16px 0}button,a{touch-action:manipulation}button{min-width:44px;min-height:44px;border:1px solid #84b9b0;border-radius:8px;background:#294959;color:#fff;font:inherit;padding:6px;overflow-wrap:anywhere}button:hover{background:#3c6571}button:focus-visible,a:focus-visible{outline:3px solid #ffce72;outline-offset:2px}button:disabled{opacity:1;background:#172c38;color:#b4c6c4;border-color:#395463}#board button{aspect-ratio:1;font-size:clamp(12px,3.6vw,18px);padding:2px}#controls{display:flex;flex-wrap:wrap;gap:7px}#controls button{flex:1 1 90px}a{display:inline-flex;align-items:center;min-height:44px;color:#aee7de;padding:6px 0;overflow-wrap:anywhere}#info{white-space:pre-wrap;font-size:14px}#message{border-left:3px solid #efc478;padding-left:10px}details summary{min-height:44px;cursor:pointer}footer{margin-top:24px}@media(max-width:350px){main{padding:10px}.panel{padding:8px}}

/* Round 2 thematic board affordances */
body{background:linear-gradient(#e8ecd8,#c7d9c0);color:#233c32}.eyebrow{color:#58705d;letter-spacing:.15em}.panel{background:#f6f1d9;border:2px solid #9fae79;box-shadow:0 12px 30px #394c3420}#board{background:#9baa76;border-radius:18px;padding:8px;gap:5px}#board button{background:#d6df9c;border-color:#9baa76;border-radius:12px;color:#496d3d;font-size:23px}#board button[data-trail="true"]{background:#a8b987;color:#6c7b52}#board button[data-stone="true"]{background:#455d52;color:#fff9dc;border-radius:50%;box-shadow:0 4px 0 #293c32}#board button[data-flower="true"]{background:#ffe1b6;color:#b14d67;font-size:32px}#board button[data-landing="true"]{border:3px dashed #58734d;background:#edf0c0}#controls button{background:#456c58;border-color:#2e4a3b}#message{border-color:#d19354}a{color:#315f4a}h1{font-family:Georgia,serif}