:root{--accent:#315e51;--background:#f5f0e5;--surface:#fffdf5;color-scheme:light;font-family:system-ui,"Segoe UI",sans-serif;color:#25332f;background:var(--background)}*{box-sizing:border-box}body{margin:0}main{width:min(100% - 32px,500px);margin:0 auto;padding:24px 0 calc(22px + env(safe-area-inset-bottom))}header{display:flex;justify-content:space-between;align-items:center;gap:12px}.brand{font-size:14px;font-weight:750;letter-spacing:.5px;margin:0;color:var(--accent)}.demo-tag{font-size:11px;padding:5px 9px;border:1px solid #8b9990;border-radius:30px;white-space:nowrap}.intro{padding:26px 0 19px}.eyebrow{font-size:9px;letter-spacing:2.5px;color:var(--accent)}h1{font-size:clamp(27px,7vw,38px);letter-spacing:-1px;margin:12px 0}#description{font-size:14px;line-height:1.8;max-width:36em;color:#52615b}.game{padding:16px;background:var(--surface);border-radius:20px;box-shadow:0 12px 36px #25332f0b}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:0 3px 14px;font-size:11px;color:#5e6b64}.stats strong{display:block;font-size:24px;line-height:1.5;color:var(--accent)}#board{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;padding:8px;background:#d7ddd2;border-radius:13px;touch-action:none;outline-offset:4px}.tile{aspect-ratio:1;display:grid;place-items:center;min-width:0;border-radius:8px;background:#e7eade;font-size:clamp(21px,7vw,38px);font-weight:750;color:#354b40}.tile.occupied{background:#f5efdc}.tile[data-power="2"]{background:#eee0b6}.tile[data-power="3"]{background:#e8c890}.tile[data-power="4"]{background:#dfaa75}.tile[data-power="5"]{background:#d58a64;color:#fff}.tile[data-power="6"]{background:#c5765a;color:#fff}.tile[data-power="7"]{background:#7a9a77;color:#fff}.tile[data-power="8"]{background:#5f896a;color:#fff}.tile[data-power="9"]{background:#4a795f;color:#fff;font-size:29px}.tile[data-power="10"],.tile[data-power="11"]{background:var(--accent);color:#fff;font-size:clamp(18px,5vw,29px)}button{font:inherit;font-size:12px;min-height:46px;cursor:pointer;border:1px solid #bac6ba;border-radius:10px;padding:8px 10px;background:var(--surface);color:#25332f}button:hover{border-color:var(--accent)}button:focus-visible,#board:focus-visible{outline:3px solid var(--accent)}button:disabled{opacity:.45;cursor:default}.tools{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin-top:13px}.directions{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-top:9px}.directions button{font-size:22px;background:var(--accent);color:#fff;border:0}.status{min-height:34px;font-size:12px;line-height:1.6;margin:13px 2px 0}.details{font-size:10px;color:#69756e;margin:0 2px}.storage-note{font-size:12px;color:#81532f;line-height:1.6}footer{font-size:10px;line-height:1.7;color:#65746b;padding:16px 3px}footer a{color:var(--accent)}dialog{width:min(90vw,380px);border:0;border-radius:18px;padding:24px;background:var(--surface);color:#25332f;box-shadow:0 15px 55px #0003}dialog::backdrop{background:#192a2259}dialog p{font-size:14px;line-height:1.8}#modal-actions{display:grid;gap:8px}#modal-actions button:first-child{background:var(--accent);color:#fff}.merged{animation:pop .16s ease-out}@keyframes pop{50%{transform:scale(1.06)}}@media(prefers-reduced-motion:reduce){*{animation:none!important}}@media(max-width:350px){main{width:calc(100% - 20px);padding-top:16px}.game{padding:10px}#board{gap:5px;padding:5px}.intro{padding-top:17px}.tile{border-radius:5px}button{font-size:11px}}