:root{color-scheme:dark;--room:#050607;--surface:#14161a;--glass:rgba(18,20,24,0.66);--glass-strong:rgba(14,16,19,0.84);--line:rgba(255,255,255,0.09);--ink:#f3f2ee;--ink-2:#c3c2b7;--ink-3:#8c8b82;--brass:#d8b36a;--brass-ink:#1a1408;--felt:#0f3d2e;--good:#3fb984;--range:#2f9e6e;--warn:#e0a23c;--bad:#e2604f;--radius:12px;--font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--serif:Georgia,"Times New Roman",serif}*{box-sizing:border-box}html,body{height:100%;margin:0}body{overflow:hidden;background:var(--room);color:var(--ink);font:14px/1.45 var(--font);font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased}#stage{position:fixed;top:var(--stage-top,0);right:var(--stage-right,0);bottom:var(--stage-bottom,0);left:var(--stage-left,0)}.glass{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);backdrop-filter:blur(10px) saturate(1.2);-webkit-backdrop-filter:blur(10px) saturate(1.2)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.no-table #lesson{inset:0;width:auto;height:auto;max-width:760px;margin:0 auto;border:0;border-radius:0}.no-table .staged .drill .visual .lcard .pcard{height:72px}.no-table #stage{display:none}.notice{position:fixed;inset:0;display:grid;place-items:center;padding:24px;text-align:center;color:var(--ink-2)}