body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

h1, h2, h3, h4 { margin-top: 1.5em; }

code {
  font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  background: #f6f8fa;
  padding: 0.2em 0.4em;
  border-radius: 3px;
}

pre {
  background: #f6f8fa;
  padding: 16px;
  border-radius: 6px;
  overflow: auto;
}

table {
  border-collapse: collapse;
  width: 100%;
}

table, th, td {
  border: 1px solid #ddd;
}

th, td {
  padding: 8px;
  text-align: left;
}

th {
  background-color: #f6f8fa;
}

@media (prefers-color-scheme: dark) {
  body { background: #0d1117; color: #c9d1d9; }
  code, pre { background: #161b22; }
  a { color: #58a6ff; }
  th { background-color: #161b22; }
  table, th, td { border-color: #30363d; }
}