:root{--bg: #1b2230;--panel: #232c3d;--ink: #eef3fb;--muted: #9fb0c8;--accent: #e23b3b;--accent2: #f0c419}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}#app{max-width:800px;margin:0 auto;padding:18px 16px 40px}h1{margin:0 0 4px;font-size:28px;letter-spacing:.5px}h1 .tag{font-size:13px;font-weight:500;color:var(--accent2);background:#f0c4191f;padding:3px 8px;border-radius:6px;vertical-align:middle;margin-left:6px}.sub{margin:0 0 14px;color:var(--muted);font-size:14px;line-height:1.4}.bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px;background:var(--panel);padding:10px 12px;border-radius:10px}.stat{font-size:13px;color:var(--muted)}.stat b{color:var(--ink);font-size:15px;margin-left:2px}.stat.next{color:var(--accent2);margin-left:auto}button{font:inherit;font-size:13px;padding:7px 14px;border-radius:8px;border:1px solid #3a465c;background:#2c3850;color:var(--ink);cursor:pointer}button:hover:not(:disabled){background:#36456180;border-color:#4a5d7c}button:disabled{opacity:.4;cursor:not-allowed}button.primary{background:var(--accent);border-color:#b52e2e;font-weight:600}button.primary:hover:not(:disabled){background:#f04a4a}.buildCtl{display:inline-flex;gap:6px}button.mat{padding:6px 10px}button.mat.sel{border-color:var(--accent2);background:#f0c4192e;color:var(--accent2);font-weight:600}canvas{display:block;width:100%;max-width:760px;border-radius:12px;border:2px solid #34405a;background:#9ad0f5;touch-action:none;cursor:crosshair}#msg{margin-top:12px;min-height:30px;font-size:16px;display:flex;align-items:center;gap:12px}#msg.win{color:#7fe08a;font-weight:600}#msg.lose{color:#ff8484;font-weight:600}.foot{margin-top:18px;color:var(--muted);font-size:12.5px;line-height:1.5}.foot b{color:#c9d6ea}