:root {
  --bg: #0f1115; --panel: #181b22; --fg: #e8e9ec; --muted: #8b90a0; --accent: #4f8cff;
  --good: #35c56a; --bad: #e5484d; --warn: #f5a524; --line: #2a2f3a;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.4 -apple-system, system-ui, sans-serif; }
body { padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left); }
#app, .page { max-width: 720px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.4rem; margin: 0 0 12px; }
h2 { font-size: 1.1rem; margin: 20px 0 8px; color: var(--muted); font-weight: 600; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px; margin: 12px 0; overflow-x: auto; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 8px 0; }
label { color: var(--muted); font-size: 0.9rem; }
select, input[type=number], input[type=text] { background: #0c0e12; color: var(--fg); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-size: 1rem; }
button { background: var(--accent); color: #fff; border: 0; border-radius: 10px; padding: 12px 18px; font-size: 1rem; font-weight: 600; cursor: pointer; }
button.secondary { background: #262b36; }
button.danger { background: var(--bad); }
button:disabled { opacity: 0.5; cursor: default; }
button.big { width: 100%; padding: 18px; font-size: 1.2rem; }
.muted { color: var(--muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; }
.kv div:nth-child(odd) { color: var(--muted); }
.meter { height: 14px; background: #0c0e12; border-radius: 7px; overflow: hidden; border: 1px solid var(--line); }
.meter > div { height: 100%; width: 0; background: var(--good); transition: width 40ms linear; }
.meter.hot > div { background: var(--bad); }
.big-num { font-size: 3rem; font-weight: 700; font-variant-numeric: tabular-nums; line-height: 1; }
.good { color: var(--good); } .bad { color: var(--bad); } .warn { color: var(--warn); }
canvas.trace { width: 100%; height: 240px; background: #0c0e12; border-radius: 10px; border: 1px solid var(--line); display: block; }
.countdown { font-size: 6rem; font-weight: 800; text-align: center; padding: 40px 0; font-variant-numeric: tabular-nums; }
.center { text-align: center; }
table { border-collapse: collapse; width: 100%; font-size: 0.9rem; }
td, th { border-bottom: 1px solid var(--line); padding: 6px 8px; text-align: left; }
th { color: var(--muted); font-weight: 600; }
.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 0.85rem; background: #262b36; }
.pill.good { background: rgba(53,197,106,0.18); } .pill.bad { background: rgba(229,72,77,0.18); } .pill.warn { background: rgba(245,165,36,0.18); }
.drop { border: 2px dashed var(--line); border-radius: 12px; padding: 18px; text-align: center; color: var(--muted); margin: 10px 0; transition: border-color 120ms, background 120ms; }
.drop.over { border-color: var(--accent); background: rgba(79,140,255,0.08); color: var(--fg); }
.notes span { display: inline-block; padding: 0 6px; border-radius: 8px; transition: color 80ms, background 80ms; }
.notes span.cur { color: var(--accent); background: rgba(79,140,255,0.14); }
.notes span.silent { color: var(--muted); text-decoration: line-through; }