:root {
  --bg:           #f6f8fa;
  --surface:      #ffffff;
  --text:         #1f2328;
  --muted:        #636c76;
  --link:         #0969da;
  --link-visited: #8250df;
  --border:       #d0d7de;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:           #0d1117;
    --surface:      #161b22;
    --text:         #e6edf3;
    --muted:        #8b949e;
    --link:         #58a6ff;
    --link-visited: #bc8cff;
    --border:       #30363d;
  }
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  background-color: var(--bg);
  color: var(--text);
  margin: 0 auto;
  max-width: 960px;
  padding: 32px 16px;
}

h1 {
  font-size: 18px;
  font-weight: 600;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
  word-break: break-all;
}

hr { display: none; }

pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 2;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 0;
  overflow-x: auto;
}

pre a {
  color: var(--link);
  text-decoration: none;
  padding: 2px 16px;
}

pre a:visited {
  color: var(--link-visited);
}

pre a:hover {
  text-decoration: underline;
}

pre a[href="../"] {
  color: var(--muted);
}