:root{--bg: #100c16;--panel: #1b1626;--line: #322a44;--ink: #efeaf6;--dim: #a99dc2;--accent: #c08bff;--token: #f3d28a;--token-edge: #b48b3a}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:radial-gradient(900px 560px at 50% -8%,#1d1430,var(--bg));color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,sans-serif;display:flex;justify-content:center;-webkit-user-select:none;user-select:none}#app{width:100%;max-width:540px;padding:12px 12px 26px}header{text-align:center;margin-bottom:6px}h1{margin:0;font-size:27px;letter-spacing:8px;font-weight:800;color:var(--accent)}.sub{margin:4px 0 0;color:var(--dim);font-size:13px}.sub #rulehint{color:var(--ink);font-weight:600}.bar{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;align-items:center;margin:9px 0}.seg{display:inline-flex;background:var(--panel);border:1px solid var(--line);border-radius:999px;overflow:hidden}.seg button{background:none;border:none;color:var(--dim);padding:6px 13px;font:600 13px system-ui;cursor:pointer}.seg button.active{background:var(--accent);color:#1c0d33}.btn{background:var(--panel);border:1px solid var(--line);color:var(--ink);padding:7px 14px;border-radius:999px;font:700 13px system-ui;cursor:pointer}.btn:hover{border-color:var(--accent)}.btn.primary{background:var(--accent);color:#1c0d33;border-color:var(--accent)}.status{text-align:center;min-height:22px;color:var(--dim);font-size:14px;font-weight:600;margin:6px 0}.status .turn{color:var(--accent)}.status .dim{color:var(--dim);font-weight:500}.stage{position:relative;display:flex;justify-content:center}.board{width:100%;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 16px;box-shadow:0 12px 34px #0000008c;display:flex;flex-direction:column;gap:14px}.heap{display:flex;align-items:center;gap:12px;min-height:40px}.heaplabel{flex:0 0 26px;text-align:center;color:var(--dim);font-weight:800;font-size:15px;background:#0003;border-radius:8px;padding:4px 0}.tokens{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.token{width:16px;height:38px;border-radius:5px;border:1px solid var(--token-edge);background:linear-gradient(180deg,#ffe8b0,var(--token));box-shadow:0 2px #00000040,inset 0 0 0 1px #fff5;cursor:pointer;padding:0;position:relative;transition:transform .08s ease,filter .08s ease}.token:after{content:"";position:absolute;top:-5px;left:50%;transform:translate(-50%);width:9px;height:9px;border-radius:50%;background:radial-gradient(circle at 40% 35%,#ff8a5b,#b23b1f);box-shadow:0 0 6px #ff6a3a88}.token:hover:not(:disabled){transform:translateY(-3px);filter:brightness(1.08)}.token:disabled{cursor:default;opacity:.92}.emptyrow{color:var(--line);font-weight:800;font-size:20px}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#0a0610c7;border-radius:14px;backdrop-filter:blur(3px)}.overlay.hidden{display:none}.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px 26px;text-align:center;max-width:340px}.card h2{margin:0 0 6px;font-size:24px;color:var(--accent)}.card p{margin:6px 0;color:var(--dim);font-size:14px}.card .row{display:flex;gap:8px;justify-content:center;margin-top:14px}.hint{text-align:center;color:var(--dim);font-size:12px;margin-top:12px}