:root{--bg: #1a2220;--panel: #24302b;--ink: #f3ecda;--muted: #a9b5aa;--accent: #d4a24c;--danger: #d46555;--line: #ffffff22;font-family:Trebuchet MS,Segoe UI,PingFang SC,Noto Sans SC,sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:#121816}#app{height:100%;display:grid;place-items:center}.shell{position:relative;width:min(100vw,430px);height:100dvh;max-height:100dvh;background:#0f1513;display:grid;place-items:center;overflow:hidden}.shell canvas{display:block;touch-action:none;background:#244037}.dom{position:absolute;inset:0;pointer-events:none;display:grid;place-items:center}.dom>*{pointer-events:auto}.panel{width:min(360px,calc(100% - 28px));background:linear-gradient(160deg,#2b3a33,#1d2924);border:1px solid var(--line);padding:22px 18px 18px;box-shadow:0 18px 50px #0008}.panel header{display:flex;align-items:center;gap:10px;margin-bottom:12px}.panel h1{margin:8px 0 10px;font-size:42px;letter-spacing:1px}.panel h2{margin:0;font-size:22px}.eyebrow{margin:0;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-size:11px;font-weight:800}.lead{color:var(--muted);font-size:13px;line-height:1.6}.warn{color:#ffc4a8;font-size:12px}.btn,.back{display:block;width:100%;margin-top:10px;border:1px solid var(--line);background:#18231f;color:var(--ink);min-height:46px;font:inherit;font-weight:800;cursor:pointer}.btn.primary{background:var(--accent);color:#1c160c;border-color:#f0d08a}.btn.danger{background:#5a2c26;border-color:#d46555}.back{width:auto;min-height:34px;padding:0 12px;margin:0;background:#18231f}.level-list{display:grid;gap:10px;max-height:70dvh;overflow:auto}.level-card{text-align:left;border:1px solid var(--line);background:#18241f;color:var(--ink);padding:12px;cursor:pointer}.level-card .diff{color:var(--accent);font-size:11px;font-weight:800}.level-card strong{display:block;margin:4px 0;font-size:16px}.level-card em{color:#f0d08a;font-style:normal;letter-spacing:2px}.level-card small{display:block;color:var(--muted);margin-top:4px}.level-card.locked{opacity:.45;cursor:not-allowed}.item-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}.toggle{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}.modal{inset:0;position:absolute;background:#0a1210d9;display:grid;place-items:center;padding:18px;width:100%;height:100%}.modal .card{width:min(340px,100%);background:#22302a;border:1px solid var(--line);padding:20px 16px;text-align:center}.modal small{color:var(--accent);letter-spacing:.12em;font-weight:800}.modal h2{margin:8px 0 14px}.upgrade-btn{text-align:left;padding:12px}.upgrade-btn b{display:block;margin-bottom:4px}.upgrade-btn span{color:var(--muted);font-size:12px;font-weight:600}.stars{font-size:28px;margin-bottom:8px}.stars i{color:#5a645e;font-style:normal;margin:0 2px}.stars i.on{color:#f0d08a}.home .btn{margin-top:12px}@media(min-width:720px){body{padding:12px}.shell{height:min(920px,calc(100dvh - 24px));border:1px solid #ffffff18;border-radius:18px}}