:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --border: #e2e8f0;
  --accent: #2563eb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120;
    --surface: #111827;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --border: #1f2937;
    --accent: #60a5fa;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font:
    16px/1.6 system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
}

main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 3rem 1rem 4rem;
}

a {
  color: var(--accent);
}

header.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

header.brand img {
  width: 56px;
  height: 56px;
  border-radius: 14px;
}

header.brand p {
  margin: 0;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-size: 1.9rem;
  line-height: 1.2;
}

h2 {
  margin-top: 2.2rem;
  font-size: 1.25rem;
}

h3 {
  margin-top: 1.5rem;
  font-size: 1.05rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-top: 1.5rem;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.95rem;
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
}

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}