/* Stylesheet for the generated HLX research site.
   Copied verbatim into dist/style.css by build-site.py. */

:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1b1f24;
  --muted: #5c6570;
  --line: #d9dee5;
  --soft: #f5f6f8;
  --accent: #a4262c;
  --code-bg: #f1f3f5;
  --bar: #14181d;
  --bar-fg: #f2f4f7;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101317;
    --fg: #dfe4ea;
    --muted: #9aa4b0;
    --line: #2b333c;
    --soft: #171c22;
    --accent: #ff8a80;
    --code-bg: #1a2027;
    --bar: #05070a;
    --bar-fg: #eef1f5;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
  overflow-wrap: break-word;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

/* ---------- chrome ---------- */

.site-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1.25rem;
  padding: 0.7rem 1.25rem;
  background: var(--bar);
  color: var(--bar-fg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-bar .brand {
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--bar-fg);
  text-decoration: none;
}

.site-bar nav { display: flex; flex-wrap: wrap; gap: 1rem; }

.site-bar nav a {
  color: var(--bar-fg);
  opacity: 0.75;
  text-decoration: none;
  font-size: 0.9rem;
}

.site-bar nav a:hover { opacity: 1; text-decoration: underline; }

.site-note {
  margin: 0;
  padding: 0.55rem 1.25rem;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--muted);
  background: var(--soft);
  border-bottom: 1px solid var(--line);
}

.site-foot {
  margin-top: 4rem;
  padding: 1.5rem 1.25rem 3rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--muted);
}

.site-foot p { margin: 0.5rem 0; }
.site-foot strong { color: var(--fg); }

/* ---------- content ---------- */

main {
  max-width: 72rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 1rem;
}

h1, h2, h3, h4 {
  line-height: 1.25;
  margin: 2.2rem 0 0.75rem;
  font-weight: 650;
}

h1 { font-size: 2rem; margin-top: 0.5rem; }
h2 { font-size: 1.45rem; padding-bottom: 0.3rem; border-bottom: 1px solid var(--line); }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; }

p, ul, ol, blockquote, table, pre { margin: 0 0 1rem; }
li { margin: 0.25rem 0; }

hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }

blockquote {
  margin-left: 0;
  padding: 0.25rem 0 0.25rem 1rem;
  border-left: 3px solid var(--line);
  color: var(--muted);
}

code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: var(--code-bg);
  padding: 0.12em 0.35em;
  border-radius: 3px;
}

pre {
  background: var(--code-bg);
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
}

pre code { background: none; padding: 0; font-size: 0.85rem; }

/* Tables are the main content type here; let them scroll instead of
   squeezing 10 columns into a phone. */

table {
  display: block;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 0.88rem;
  width: 100%;
}

thead th {
  text-align: left;
  background: var(--soft);
  border-bottom: 2px solid var(--line);
  white-space: nowrap;
}

th, td {
  padding: 0.45rem 0.7rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

tbody tr:nth-child(even) { background: color-mix(in srgb, var(--soft) 55%, transparent); }

img { max-width: 100%; height: auto; }

@media (max-width: 40rem) {
  body { font-size: 15px; }
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.25rem; }
  main { padding: 1.25rem 0.9rem 1rem; }
}