:root {
  color-scheme: dark;
  --paper: #07110f;
  --panel: #0f1d1a;
  --ink: #f3f6ef;
  --muted: #9eb1aa;
  --line: rgba(228, 243, 237, .14);
  --lime: #9af06b;
  --mint: #37d3ba;
  --amber: #ffca57;
  --red: #ff6b6b;
  --cold: #74b8ff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(55, 211, 186, .10), transparent 34rem),
    var(--paper);
  color: var(--ink);
  font-family: Inter, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  letter-spacing: 0;
}
main { max-width: 1480px; margin: 0 auto; padding: 34px 34px 48px; }
.mast {
  min-height: 230px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  align-items: end;
  gap: 28px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 30px;
}
.eyebrow { margin: 0 0 14px; color: var(--mint); text-transform: uppercase; font-weight: 700; }
h1 { margin: 0; font-size: clamp(2.25rem, 4rem, 5.2rem); line-height: .96; }
.lead { max-width: 610px; margin: 18px 0 0; color: var(--muted); font-size: 1.05rem; }
.scope {
  display: grid;
  gap: 8px;
  align-content: center;
  min-height: 156px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(15, 29, 26, .86);
}
.scope span, .scope small, .summary span, .site p, dt, footer { color: var(--muted); }
.scope strong { font-size: 3.8rem; line-height: 1; color: var(--lime); }
.clock { font-variant-numeric: tabular-nums; }
.summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}
.summary div { display: grid; gap: 8px; min-height: 104px; padding: 20px; background: var(--panel); }
.summary strong { font-size: 2rem; font-variant-numeric: tabular-nums; }
.site-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); gap: 18px; }
.site {
  display: grid;
  gap: 18px;
  min-height: 420px;
  padding: 24px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--cold);
  border-radius: 8px;
  background: rgba(15, 29, 26, .92);
}
.site.ok { border-top-color: var(--lime); }
.site.warn { border-top-color: var(--amber); }
.site.error-state, .site.offline { border-top-color: var(--red); }
.site.stale { border-top-color: var(--cold); }
.site-head { display: flex; justify-content: space-between; gap: 16px; align-items: start; }
.site-head p { margin: 0 0 8px; font-variant-numeric: tabular-nums; }
h2 { margin: 0; font-size: 2rem; }
.site-head strong {
  min-width: 90px;
  padding: 9px 12px;
  border: 1px solid currentColor;
  border-radius: 6px;
  color: var(--cold);
  text-align: center;
}
.ok .site-head strong { color: var(--lime); }
.warn .site-head strong { color: var(--amber); }
.error-state .site-head strong, .offline .site-head strong { color: var(--red); }
.pulse {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 6px 16px;
  padding: 16px;
  border-radius: 8px;
  background: rgba(228, 243, 237, .06);
}
.pulse span, .pulse small { color: var(--muted); }
.pulse strong { font-size: 1.8rem; font-variant-numeric: tabular-nums; }
.pulse small { grid-column: 2; }
.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}
.metrics div { min-height: 76px; padding: 12px; border: 1px solid var(--line); border-radius: 6px; }
dt { margin-bottom: 10px; font-size: .86rem; }
dd { margin: 0; font-size: 1.22rem; font-weight: 700; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
footer { display: flex; justify-content: space-between; gap: 12px; border-top: 1px solid var(--line); padding-top: 15px; }
.error { margin: 0; padding: 14px; border-radius: 6px; background: rgba(255, 107, 107, .13); color: #ffd4d4; overflow-wrap: anywhere; }
.fatal { max-width: 760px; margin-top: 14vh; padding: 30px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.fatal p { color: var(--red); text-transform: uppercase; font-weight: 700; }
@media (max-width: 760px) {
  main { padding: 24px 16px 40px; }
  .mast, .summary { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pulse { grid-template-columns: 1fr; }
  .pulse small { grid-column: auto; }
}