@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,400&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --paper: #fbfcfc;
  --ink: #17222c;
  --muted: #5a6670;
  --line: #dde3e7;
  --card: #ffffff;
  --code: #f1f4f6;
  --accent: #1f5f8b;
  --accent-soft: #e4eef5;
  --serif: 'Newsreader', Georgia, serif;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #12181d;
    --ink: #e4e9ec;
    --muted: #9aa6ae;
    --line: #2a343b;
    --card: #182027;
    --code: #1c252c;
    --accent: #7fb6dd;
    --accent-soft: #1b2b37;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.6 var(--sans); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img, video { max-width: 100%; }

/* Top bar */
.top { border-bottom: 1px solid var(--line); background: var(--paper); position: sticky; top: 0; z-index: 2; }
.top nav { max-width: 1040px; margin: 0 auto; padding: 12px 16px; display: flex; gap: 6px 20px; flex-wrap: wrap; align-items: baseline; font-size: 15px; }
.top nav a { color: var(--muted); }
.top nav a:hover { color: var(--ink); text-decoration: none; }
.top .brand { font: 600 19px/1 var(--serif); color: var(--ink); margin-right: auto; letter-spacing: .01em; }

/* Rendered documents */
.doc { max-width: 76ch; margin: 0 auto; padding: 32px 16px 64px; }
.doc h1, .doc h2, .doc h3, .doc h4 { font-family: var(--serif); font-weight: 600; line-height: 1.25; position: relative; scroll-margin-top: 64px; }
.doc h1 { font-size: 34px; margin: 8px 0 20px; }
.doc h2 { font-size: 25px; margin: 44px 0 12px; padding-top: 12px; border-top: 1px solid var(--line); }
.doc h3 { font-size: 20px; margin: 32px 0 8px; }
.doc h4 { font-size: 17px; margin: 24px 0 6px; }
.doc .anchor { position: absolute; left: -0.9em; color: var(--line); font-weight: 400; opacity: 0; }
.doc h1:hover .anchor, .doc h2:hover .anchor, .doc h3:hover .anchor, .doc h4:hover .anchor { opacity: 1; }
.doc p, .doc li { overflow-wrap: anywhere; }
.doc code { font: 0.88em var(--mono); background: var(--code); border-radius: 4px; padding: 1px 4px; }
.doc pre { background: var(--code); border: 1px solid var(--line); border-radius: 6px; padding: 12px 14px; overflow-x: auto; line-height: 1.45; }
.doc pre code { background: none; padding: 0; font-size: 13.5px; }
.doc blockquote { margin: 16px 0; padding: 2px 16px; border-left: 3px solid var(--line); color: var(--muted); }
.doc hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }
.doc .table { overflow-x: auto; margin: 16px 0; }
.doc table { border-collapse: collapse; font-size: 14.5px; min-width: 60%; }
.doc th, .doc td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; vertical-align: top; }
.doc th { background: var(--code); font-weight: 600; }
.doc img { background: #fff; border-radius: 4px; }

.foot { max-width: 1040px; margin: 0 auto; padding: 20px 16px 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; display: flex; gap: 8px 24px; flex-wrap: wrap; justify-content: space-between; }