:root {
  --bg: #fbfbf9;
  --surface: #ffffff;
  --text: #1c2429;
  --muted: #56636b;
  --line: #dfe3e1;
  --accent: #0f5c7a;
  --accent-ink: #ffffff;
  --code-bg: #f1f3f2;
  --code-text: #1c2429;
  --pre-bg: #102a38;
  --pre-text: #e8eef0;
  --mark: #fff3c4;
  --radius: 8px;
  --measure: 46rem;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1518;
    --surface: #151d21;
    --text: #e3e8ea;
    --muted: #9aa8ae;
    --line: #2a363c;
    --accent: #6cc3e0;
    --accent-ink: #0f1518;
    --code-bg: #1d282d;
    --code-text: #e3e8ea;
    --pre-bg: #0a1115;
    --pre-text: #e3e8ea;
    --mark: #3d3510;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); text-underline-offset: 2px; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 8px; background: var(--surface); padding: 6px 10px; z-index: 10; }

.top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--surface);
  position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 650; }
.brand img { flex: none; }
.top-links { display: flex; gap: 14px; align-items: center; font-size: 15px; }
.top-links a { text-decoration: none; }
.cta {
  background: var(--accent); color: var(--accent-ink) !important; padding: 6px 12px; border-radius: 999px; font-weight: 600;
  text-decoration: none;
}

.layout { display: grid; grid-template-columns: 15rem minmax(0, 1fr); gap: 2.5rem; max-width: 72rem; margin: 0 auto; padding: 0 16px; }
.side { padding-top: 1.75rem; }
.side details { position: sticky; top: 4.5rem; }
.side summary { display: none; }
.side ul { list-style: none; margin: 0; padding: 0; }
.side li a { display: block; padding: 6px 10px; border-radius: 6px; color: var(--text); text-decoration: none; font-size: 15px; }
.side li a:hover { background: var(--code-bg); }
.side li a[aria-current="page"] { background: var(--code-bg); color: var(--accent); font-weight: 650; }

main { padding: 1.5rem 0 3rem; min-width: 0; }
article { max-width: var(--measure); }
h1 { font-size: clamp(1.8rem, 1.2rem + 2.2vw, 2.5rem); line-height: 1.15; margin: 0.4em 0 0.5em; letter-spacing: -0.01em; }
h2 { font-size: 1.45rem; margin: 2em 0 0.6em; padding-top: 0.4em; border-top: 1px solid var(--line); line-height: 1.25; }
h3 { font-size: 1.15rem; margin: 1.6em 0 0.4em; }
h1 .headerlink, h2 .headerlink, h3 .headerlink { opacity: 0; margin-left: 0.3em; text-decoration: none; font-weight: 400; }
h1:hover .headerlink, h2:hover .headerlink, h3:hover .headerlink, .headerlink:focus { opacity: 0.6; }
p, ul, ol { margin: 0 0 1em; }
li { margin: 0.25em 0; }
.lead { font-size: 1.15rem; color: var(--muted); }
code {
  font: 0.88em/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--code-bg); color: var(--code-text); padding: 0.1em 0.35em; border-radius: 4px;
  overflow-wrap: anywhere;
}
.codeblock { position: relative; margin: 0 0 1.2em; }
pre {
  margin: 0; background: var(--pre-bg); color: var(--pre-text); padding: 14px 16px; border-radius: var(--radius);
  overflow-x: auto; font-size: 14px; line-height: 1.55;
}
pre code { background: none; color: inherit; padding: 0; font-size: inherit; overflow-wrap: normal; }
.copy {
  position: absolute; top: 8px; right: 8px; font: 600 12px system-ui, sans-serif; padding: 4px 9px;
  border-radius: 6px; border: 1px solid #ffffff40; background: #ffffff18; color: #e8eef0; cursor: pointer;
}
.copy:hover { background: #ffffff30; }
.table-wrap { overflow-x: auto; margin: 0 0 1.2em; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { border-bottom: 1px solid var(--line); padding: 7px 10px; text-align: left; vertical-align: top; }
th { font-weight: 650; background: var(--code-bg); }
td code, th code { white-space: nowrap; }
blockquote { margin: 0 0 1.2em; padding: 10px 16px; border-left: 4px solid var(--accent); background: var(--surface); border-radius: 0 var(--radius) var(--radius) 0; }
blockquote p:last-child { margin-bottom: 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: 12px; margin: 1em 0 1.5em; }
.cards > div { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.cards strong { display: block; margin-bottom: 4px; }
.cards p { margin: 0; font-size: 15px; color: var(--muted); }
.version { color: var(--muted); font-size: 14px; margin-top: 3rem; }
.foot { border-top: 1px solid var(--line); padding: 1.2rem 16px 2rem; color: var(--muted); font-size: 14px; max-width: 72rem; margin: 0 auto; }
.foot p { margin: 0.4em 0; }
.notfound { max-width: 40rem; margin: 3rem auto; padding: 0 16px; }
.demo { margin: 0 0 1.2em; }

@media (max-width: 860px) {
  .layout { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .side { padding-top: 0.75rem; }
  .side details { position: static; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
  .side details:not([open]) ul { display: none; }
  .side summary { display: block; padding: 8px 12px; cursor: pointer; font-weight: 600; font-size: 15px; }
  .side ul { padding: 0 6px 6px; }
  .brand span { font-size: 15px; }
  body { font-size: 16px; }
}
@media (max-width: 420px) {
  .top-links a:not(.cta) { display: none; }
}