:root {
  --text: #1f2328;
  --muted: #59636e;
  --bg: #ffffff;
  --surface: #f6f8fa;
  --border: #d1d9e0;
  --accent: #b42318;

  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #e6edf3;
    --muted: #9198a1;
    --bg: #0d1117;
    --surface: #151b23;
    --border: #3d444d;
    --accent: #ff7b72;
  }
}

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

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}

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

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  padding: 0.1em 0.3em;
  border-radius: 4px;
  background: var(--surface);
}

.container {
  max-width: 48rem;
  margin: 0 auto;
  padding: 0 1rem;
}

.site-header {
  margin-bottom: 2rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--surface);

  .brand {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
  }

  ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 1.25rem;
    margin: 0.5rem 0 0;
    padding: 0;
    list-style: none;
  }

  nav a {
    color: var(--muted);
    text-decoration: none;

    &:hover, &[aria-current="page"] {
      color: var(--text);
    }

    &[aria-current="page"] {
      font-weight: 600;
    }
  }
}

table {
  width: 100%;
  margin: 1.5rem 0;
  border-collapse: collapse;

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

  th {
    border-bottom-width: 2px;
  }
}

.about {
  margin: 3rem 0 2rem;
  color: var(--muted);
}