:root { color-scheme: light dark; }
* { box-sizing: border-box; }
body {
  margin: 0; font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: #f5f6f8; color: #1c1e21;
}
nav.crumbs {
  padding: 0.85rem 1.5rem; background: #fff; border-bottom: 1px solid #e3e5e8;
  font-size: 0.9rem;
}
nav.crumbs a { color: #3b82f6; text-decoration: none; }
nav.crumbs a:hover { text-decoration: underline; }
main {
  max-width: 860px; margin: 0 auto; padding: 2rem 1.5rem 4rem;
}
h1, h2, h3, h4, h5, h6 { line-height: 1.3; }
h1 { font-size: 1.85rem; }
h2 { font-size: 1.4rem; margin-top: 2.2rem; border-bottom: 1px solid #e3e5e8; padding-bottom: 0.3rem; }
h3 { font-size: 1.15rem; margin-top: 1.8rem; }
a { color: #3b82f6; }
code { background: #eef0f3; border-radius: 4px; padding: 0.1em 0.35em; font-size: 0.9em; }
pre { background: #1c1e21; color: #e4e6eb; padding: 1rem; border-radius: 8px; overflow-x: auto; }
pre code { background: none; padding: 0; }
table { border-collapse: collapse; width: 100%; overflow-x: auto; display: block; }
th, td { border: 1px solid #e3e5e8; padding: 0.45rem 0.7rem; text-align: left; }
blockquote { margin: 1rem 0; padding: 0.1rem 1rem; border-left: 3px solid #3b82f6; color: #4b5563; }
ul.doc-index { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; }
ul.doc-index li a {
  display: block; padding: 0.7rem 1rem; background: #fff; border: 1px solid #e3e5e8;
  border-radius: 8px; text-decoration: none; color: inherit;
}
ul.doc-index li a:hover { border-color: #3b82f6; }
ul.doc-index h2 { border: none; margin: 1.6rem 0 0.4rem; font-size: 1.1rem; }
@media (prefers-color-scheme: dark) {
  body { background: #16181c; color: #e4e6eb; }
  nav.crumbs { background: #202226; border-color: #33373d; }
  h2 { border-color: #33373d; }
  code { background: #2a2d32; }
  table, th, td { border-color: #33373d; }
  ul.doc-index li a { background: #22252a; border-color: #33373d; }
}