:root {
  color-scheme: light dark;
  --bg: #0f172a;
  --bg-card: rgba(255, 255, 255, 0.08);
  --bg-card-light: #f8fafc;
  --fg: #f1f5f9;
  --fg-dark: #0f172a;
  --accent: #38bdf8;
  --muted: #94a3b8;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--bg) 0%, #1e293b 100%);
  color: var(--fg);
  display: flex;
  flex-direction: column;
}

header {
  padding: 1.5rem 2.5rem;
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

main {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  padding: 0 2.5rem 2.5rem;
}

.card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 1.5rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.35);
}

.card.light {
  background: var(--bg-card-light);
  color: var(--fg-dark);
}

.card h2 {
  margin: 0 0 1rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.metrics {
  display: grid;
  gap: 0.75rem;
}

.metric {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.metric span.value {
  font-size: 1.5rem;
  font-weight: 600;
}

.metric span.label {
  color: var(--muted);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

footer {
  padding: 1rem 2.5rem 2rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.coming-soon {
  margin: 0;
  color: var(--muted);
  font-style: italic;
}

@media (max-width: 600px) {
  header {
    padding: 1.25rem;
    font-size: 1.5rem;
  }

  main {
    padding: 0 1.25rem 1.25rem;
  }

  .card {
    padding: 1.25rem;
  }
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  background: rgba(148, 163, 184, 0.12);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.status::before {
  content: '';
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.7;
}

.status[data-state='online'] {
  color: #22c55e;
  border-color: rgba(34, 197, 94, 0.35);
  background: rgba(34, 197, 94, 0.12);
}

.status[data-state='stale'] {
  color: #f97316;
  border-color: rgba(249, 115, 22, 0.35);
  background: rgba(249, 115, 22, 0.12);
}

.status[data-state='offline'] {
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.35);
  background: rgba(239, 68, 68, 0.12);
}

.status[data-state='idle'] {
  color: var(--muted);
  border-color: rgba(148, 163, 184, 0.35);
  background: rgba(148, 163, 184, 0.12);
}