/* Documentation pages. Deliberately plain: these are read, not browsed. */
:root {
  --ink: #0b1523;
  --muted: #5c6e88;
  --rule: #e3e7ee;
  --bg: #ffffff;
  --brass: #a87b3c;
  --accent: #12253f;
  --code-bg: #f1f4f8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8eef7;
    --muted: #8fa4c4;
    --rule: #24405f;
    --bg: #0b1523;
    --accent: #8fa4c4;
    --code-bg: #18304f;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

.docbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--rule);
  font-size: 0.9rem;
}

.docbar__brand { font-weight: 650; text-decoration: none; color: var(--ink); }
.docbar__brand span { color: var(--muted); font-weight: 400; }
.docbar a { color: var(--accent); text-decoration: none; }
.docbar a:hover { text-decoration: underline; }

/* 68 characters or so per line: past roughly 80 the eye loses the start of the
   next line, and these pages are long. */
.doc {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 6rem;
}

.doc h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 1.5rem; }
.doc h2 { font-size: 1.3rem; margin: 2.5rem 0 0.75rem; }
.doc h3 { font-size: 1.05rem; margin: 2rem 0 0.5rem; }
.doc a { color: var(--accent); }
.doc strong { font-weight: 650; }
.doc blockquote {
  margin: 1.5rem 0;
  padding: 0.1rem 0 0.1rem 1rem;
  border-inline-start: 3px solid var(--rule);
  color: var(--muted);
}

.doc code {
  background: var(--code-bg);
  padding: 0.12em 0.35em;
  border-radius: 4px;
  font-size: 0.9em;
}

.doc pre {
  background: var(--code-bg);
  padding: 1rem;
  border-radius: 8px;
  /* Wide code scrolls inside its own box rather than making the page scroll. */
  overflow-x: auto;
}

.doc pre code { background: none; padding: 0; }

/* Tables are how most of these documents carry their comparisons, so they get
   real treatment rather than browser defaults. */
.doc table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.94rem; }
.doc th, .doc td { text-align: start; padding: 0.55rem 0.7rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
.doc th { font-weight: 650; }

.doc ul, .doc ol { padding-inline-start: 1.4rem; }
.doc li { margin: 0.35rem 0; }
.doc hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5rem 0; }

/* The mark is a filled badge, not a glyph -- it needs an explicit box and must
   not inherit the link colour the way the old outline Y did. */
.docbar__brand { display: inline-flex; align-items: center; gap: .5rem; }
.docbar__brand .brand__mark { width: 22px; height: 22px; border-radius: 5px; }
.doc h1 { border-inline-start: 3px solid var(--brass); padding-inline-start: .6rem; }