body {
  font-family: system-ui, monospace;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
  background: #fafafa;
  color: #111;
  line-height: 1.6;
}
h1 { margin-bottom: 0.2rem; }
h2 { margin-top: 2rem; }
header p { margin-top: 0.2rem; color: #555; }
dt { font-weight: bold; margin-top: 1rem; }
dd { margin-left: 1.5rem; }
pre {
  background: #111;
  color: #0f0;
  padding: 1rem;
  overflow-x: auto;
  border-radius: 4px;
}
code {
  font-family: monospace;
  background: #e8e8e8;
  padding: 0.1rem 0.3rem;
  border-radius: 2px;
}
pre code {
  background: none;
  padding: 0;
}
footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid #ccc;
  color: #777;
  font-size: 0.9rem;
}
a { color: #0066cc; }