*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-text: #1a1a2e;
  --color-muted: #6c757d;
  --color-border: #dee2e6;
  --color-ok: #198754;
  --color-ok-bg: #d1e7dd;
  --color-warn: #cc8500;
  --color-warn-bg: #fff3cd;
  --color-bad: #c9302c;
  --color-bad-bg: #f8d7da;
  --color-info: #0d6efd;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", SFMono-Regular, ui-monospace, Menlo, Consolas, monospace;
  --radius: 6px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

html {
  font-size: 15px;
  line-height: 1.5;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  padding-bottom: 2rem;
}

.hero {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 1.5rem;
}

.hero-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-network {
  font-weight: 600;
  font-size: 1.05rem;
}

.hero-transport {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.hero-updated {
  margin-left: auto;
  color: var(--color-muted);
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.badge {
  display: inline-block;
  padding: 0.25em 0.65em;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius);
  text-transform: capitalize;
}

.badge-ok {
  color: var(--color-ok);
  background: var(--color-ok-bg);
}

.badge-backfilling {
  color: var(--color-warn);
  background: var(--color-warn-bg);
}

.badge-degraded {
  color: var(--color-warn);
  background: var(--color-warn-bg);
}

.badge-down {
  color: var(--color-bad);
  background: var(--color-bad-bg);
}

.stale-banner {
  max-width: 960px;
  margin: 0.75rem auto 0;
  padding: 0.6rem 1rem;
  background: var(--color-warn-bg);
  color: var(--color-warn);
  border: 1px solid #ffc107;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 500;
  text-align: center;
}

.cards {
  max-width: 960px;
  margin: 1.5rem auto 0;
  padding: 0 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.1rem 1.25rem;
}

.card h2 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
}

dl {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.2rem 0;
}

.metric-row dt {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.metric-row dd {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  text-align: right;
}

.indicator-ok {
  color: var(--color-ok);
  font-weight: 600;
}

.indicator-bad {
  color: var(--color-bad);
  font-weight: 600;
}

.phase-note {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.55;
  border-top: 1px solid var(--color-border);
  padding-top: 0.6rem;
}

@media (max-width: 600px) {
  .hero-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }

  .hero-updated {
    margin-left: 0;
  }

  .cards {
    grid-template-columns: 1fr;
  }
}