:root{--bg: #05060a;--panel: #0e1320;--line: #20283c;--ink: #e8eefc;--dim: #8a96b4;--accent: #6cf0d0}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:radial-gradient(900px 560px at 50% -10%,#0b1020,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:760px;padding:12px 12px 26px}header{text-align:center;margin-bottom:6px}h1{margin:0;font-size:28px;letter-spacing:6px;font-weight:800;color:var(--accent)}.sub{margin:2px 0 0;color:var(--dim);font-size:13px}.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 14px;font:600 13px system-ui;cursor:pointer}.seg button.active{background:var(--accent);color:#042019}.btn{background:var(--panel);border:1px solid var(--line);color:var(--ink);padding:8px 16px;border-radius:999px;font:700 13px system-ui;cursor:pointer}.btn:hover{border-color:var(--accent)}.btn.primary{background:var(--accent);color:#042019;border-color:var(--accent)}.stage{position:relative;display:flex;justify-content:center}canvas{width:100%;max-width:720px;height:auto;display:block;border-radius:8px;border:1px solid var(--line);background:#030407;box-shadow:0 12px 36px #0009;touch-action:none}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#03050abd;border-radius:8px;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:360px}.card h2{margin:0 0 6px;font-size:24px}.card p{margin:6px 0;color:var(--dim);font-size:14px}.card .big{font-size:34px;font-weight:800;color:var(--accent);margin:8px 0}.card .row{display:flex;gap:8px;justify-content:center;margin-top:14px;flex-wrap:wrap}.hint{text-align:center;color:var(--dim);font-size:12.5px;margin-top:10px}.card.shop{max-width:420px}.shopgrid{display:grid;gap:8px;margin:12px 0 4px}.shopitem{display:grid;grid-template-columns:1fr auto;align-items:center;gap:2px 10px;background:#0b1322;border:1px solid var(--line);border-radius:10px;padding:8px 12px;cursor:pointer;text-align:left;color:var(--ink)}.shopitem:hover:not(:disabled){border-color:var(--accent)}.shopitem:disabled{opacity:.45;cursor:not-allowed}.shopitem .si-name{font:700 13px system-ui}.shopitem .si-desc{grid-column:1;color:var(--dim);font-size:11.5px}.shopitem .cost{grid-row:1 / 3;color:#ffd54a;font:700 14px ui-monospace,monospace}.shopitem .owned{grid-row:1 / 3;color:var(--accent);font:700 11px ui-monospace,monospace}