:root { --ink:#0d1117; --paper:#f6f8fa; --line:#d0d7de; --muted:#57606a; --accent:#1f6feb; }
* { box-sizing: border-box; }
body { margin:0; background:var(--paper); color:var(--ink); font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif; }
.page { max-width:940px; margin:0 auto; padding:2rem 1.25rem 4rem; }
h1 { font-size:2rem; margin:0 0 .35rem; letter-spacing:-.02em; }
.lede { color:var(--muted); margin:0 0 1.75rem; max-width:56ch; }
.board { display:flex; flex-wrap:wrap; gap:2rem; align-items:flex-start; }
canvas { width:480px; height:480px; max-width:100%; background:#000; border:1px solid var(--line); border-radius:12px; display:block; image-rendering:pixelated; }
.controls { margin-top:1rem; display:flex; flex-direction:column; gap:.5rem; max-width:480px; }
.controls label { color:var(--muted); font-size:.9rem; }
.controls input[type=range] { width:100%; }
.row { display:flex; gap:.5rem; }
button { font:inherit; padding:.5rem 1rem; border-radius:8px; border:1px solid var(--line); background:#fff; cursor:pointer; }
button.primary { background:var(--accent); border-color:var(--accent); color:#fff; font-weight:600; }
button:disabled { opacity:.5; cursor:default; }
.readout { flex:1 1 320px; min-width:300px; }
.figure { margin:0 0 .75rem; }
.figure .value { font-size:3rem; font-weight:700; letter-spacing:-.03em; display:block; line-height:1; }
.figure .unit { color:var(--muted); }
.what { margin:.6rem 0; max-width:46ch; }
.idle { color:var(--muted); }
.facts { border-collapse:collapse; margin-top:1rem; font-variant-numeric:tabular-nums; }
.facts th, .facts td { padding:.2rem .9rem .2rem 0; text-align:left; font-weight:400; }
.facts th { color:var(--muted); }
.provenance { color:var(--muted); font-size:.875rem; margin-top:2.5rem; border-top:1px solid var(--line); padding-top:1rem; max-width:62ch; }
.error { color:#b42318; background:#fff1f0; border:1px solid #ffccc7; padding:.6rem .8rem; border-radius:8px; }
.booting { padding:3rem 1.25rem; color:var(--muted); }
#blazor-error-ui { display:none; position:fixed; bottom:0; left:0; right:0; background:#ffe8a3; padding:.7rem 1.25rem; }

.facts .hint { color: var(--muted); font-size: .8rem; }