:root {
  --bg: oklch(0.155 0.004 265);
  --surface: oklch(0.185 0.005 265);
  --line: oklch(0.27 0.006 265);
  --text: oklch(0.96 0.003 265);
  --muted: oklch(0.72 0.008 265);
  --ok: oklch(0.76 0.14 155);
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: oklch(0.985 0.002 265);
    --surface: oklch(1 0 0);
    --line: oklch(0.91 0.004 265);
    --text: oklch(0.18 0.006 265);
    --muted: oklch(0.45 0.008 265);
    --ok: oklch(0.5 0.13 155);
    color-scheme: light;
  }
}
* { box-sizing: border-box; margin: 0; }
body {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.card {
  width: min(28rem, 100%);
  display: grid;
  gap: 1rem;
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: 0.625rem;
  background: var(--surface);
}
.mark {
  width: 2rem;
  height: 2rem;
  padding: 0.375rem;
  border-radius: 999px;
  background: color-mix(in oklch, var(--ok) 16%, transparent);
  fill: none;
  stroke: var(--ok);
  stroke-width: 2.25;
  stroke-linecap: round;
  stroke-linejoin: round;
}
h1 { font-size: 1.375rem; letter-spacing: -0.02em; }
.lead, .foot { color: var(--muted); }
dl { display: grid; gap: 0.5rem; padding: 0.75rem 1rem; border-radius: 0.375rem; background: var(--bg); }
dl div { display: flex; justify-content: space-between; gap: 1rem; }
dt { color: var(--muted); }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.9em; }