:root {
  --bg: #ffffff;
  --ink: #0f172a;
  --sub: #475569;
  --line: #e2e8f0;
  --good: #16a34a;
  --bad: #dc2626;
  --unknown: #94a3b8;
  --brand: #1d4ed8;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "Segoe UI", "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  padding: 60px 24px;
  line-height: 1.6;
}
header { max-width: 880px; margin: 0 auto 32px; }
h1 { font-size: 32px; font-weight: 800; letter-spacing: -0.02em; }
.sub { color: var(--sub); margin-top: 4px; }
.sub a { color: var(--brand); text-decoration: none; font-weight: 600; }
main { max-width: 880px; margin: 0 auto; }
#overall {
  display: block;
  padding: 18px 22px;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid var(--line);
  margin-bottom: 28px;
  font-weight: 700;
}
#overall a { color: var(--brand); }

/* The headline word carries the state, so it survives a screenshot and does not
   depend on a coloured dot being noticed. */
.state {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-inline-end: 8px;
  color: #fff;
}
.state.up { background: var(--good); }
.state.down { background: var(--bad); }
.state.unknown { background: var(--unknown); }

.grid { display: grid; grid-template-columns: 1fr; gap: 10px; }
@media (min-width: 640px) { .grid { grid-template-columns: 1fr 1fr; } }
.card {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}
.dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.dot.up { background: var(--good); }
.dot.down { background: var(--bad); }
/* Unknown is hollow, not grey-filled: an empty ring reads as "nothing measured"
   rather than as a third kind of health. */
.dot.unknown { background: transparent; border: 2px solid var(--unknown); }
.name { font-weight: 700; }
.name a { color: inherit; text-decoration: none; }
.name a:hover { text-decoration: underline; }
.right { display: flex; align-items: center; gap: 10px; flex: none; }
.muted { color: var(--sub); font-size: 13px; }
footer { margin-top: 40px; color: var(--sub); font-size: 13px; }
footer a { color: var(--brand); }
footer p + p { margin-top: 6px; }

@media (prefers-color-scheme: dark) {
  :root { --bg: #0b1220; --ink: #e6edf7; --sub: #93a4bd; --line: #1e293b; }
  #overall { background: #111a2e; }
  .card { background: #0f1729; }
}