:root {
  color-scheme: light dark;
  --bg: #0b1020;
  --card: #121829;
  --text: #eef2ff;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --border: color-mix(in srgb, var(--text) 12%, transparent);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f7fb;
    --card: #ffffff;
    --text: #0f172a;
    --muted: #64748b;
    --accent: #0284c7;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial,
    sans-serif;
  background: radial-gradient(circle at top, rgba(56, 189, 248, 0.16), transparent 42%), var(--bg);
  color: var(--text);
}

main {
  width: min(92vw, 42rem);
  margin: 4rem auto;
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--card);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
}

.label {
  margin: 0 0 0.5rem;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.e2e-badge {
  margin: 0 0 1rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #0f172a;
  background: #fbbf24;
  border: 1px solid #f59e0b;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 6vw, 2.75rem);
}

.lead,
.meta {
  color: var(--muted);
  line-height: 1.6;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.nav a {
  color: var(--accent);
  text-decoration: none;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
}

.nav a[aria-current='page'] {
  background: color-mix(in srgb, var(--accent) 16%, transparent);
}

.content {
  padding: 1rem 0 0.5rem;
  line-height: 1.7;
}

.content dl {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 0.35rem 1rem;
  margin: 0;
}

.content dt {
  color: var(--muted);
}

.content dd {
  margin: 0;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}