:root {
  --bone: #f7f4ee;
  --ink: #14110d;
  --muted: #6b665d;
  --line: #e7e2d6;
  --accent: #c2410c;
  --serif: 'Newsreader', Georgia, serif;
  --sans:  'Inter Tight', system-ui, -apple-system, sans-serif;
  --mono:  ui-monospace, SFMono-Regular, Menlo, monospace;
}
*,*::before,*::after { box-sizing: border-box; }
html,body { margin: 0; padding: 0; background: var(--bone); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.55; }
a { color: var(--ink); border-bottom: 1px dotted var(--muted); text-decoration: none; }
a:hover { border-bottom-style: solid; }
.docnav { display: flex; align-items: baseline; gap: 32px; padding: 18px 32px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.docnav .brand { font-family: var(--serif); font-weight: 500; font-size: 22px; border: none; }
.docnav .brand span { color: var(--muted); font-weight: 400; }
.docnav ul { display: flex; gap: 24px; list-style: none; margin: 0; padding: 0; flex: 1; }
.docnav ul a { border: none; color: var(--muted); font-size: 14px; }
.docnav ul a:hover { color: var(--ink); }
.docnav .external { font-size: 13px; color: var(--muted); border: none; }
main { max-width: 720px; margin: 0 auto; padding: 56px 32px; }
h1 { font-family: var(--serif); font-weight: 500; font-size: 40px; margin: 0 0 8px; }
.lead { font-family: var(--serif); font-size: 20px; line-height: 1.5; color: var(--muted); margin: 0 0 40px; }
h2 { font-family: var(--serif); font-weight: 500; font-size: 24px; margin: 40px 0 12px; }
h3 { font-size: 17px; margin: 28px 0 8px; }
p, ul, ol { margin: 0 0 16px; }
ul, ol { padding-left: 22px; }
li { margin-bottom: 8px; }
strong { font-weight: 600; }
.concepts strong { font-weight: 600; }
code { font-family: var(--mono); background: rgba(20,17,13,0.06); padding: 1px 6px; border-radius: 4px; font-size: 14px; }
pre { background: var(--ink); color: var(--bone); font-family: var(--mono); font-size: 13px; padding: 20px 22px; border-radius: 8px; overflow-x: auto; margin: 16px 0; line-height: 1.5; }
pre code { background: none; padding: 0; color: inherit; }
.warning { background: #fef3c7; border-left: 4px solid #ca8a04; padding: 14px 18px; margin: 16px 0; border-radius: 4px; }
table { border-collapse: collapse; width: 100%; margin: 16px 0; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { font-weight: 600; background: rgba(20,17,13,0.03); }
footer { max-width: 720px; margin: 80px auto 32px; padding: 32px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
footer a { color: var(--muted); }