:root {
  --bg: #0e1013;
  --surface: #141619;
  --text: #e8e6e1;
  --text-mid: #a8a5a0;
  --text-dim: #6b6862;
  --amber: #b87a45;
  --amber-light: #d4a06a;
  --brand-grey: #78756f;
  --border: #252729;
  --input-bg: #191b1f;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--bg); color: var(--text);
  font-family: 'DM Sans', sans-serif; font-weight: 300;
  -webkit-font-smoothing: antialiased; line-height: 1.6;
}
a, a:link, a:visited { color: var(--amber); text-decoration: none; }
a:hover, a:link:hover, a:visited:hover { color: var(--amber-light); }
.hdr {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 32px; border-bottom: 1px solid var(--border);
}
.wordmark, .wordmark:link, .wordmark:visited {
  font-family: 'IBM Plex Mono', monospace; font-weight: 500;
  font-size: 15px; letter-spacing: 0.08em; color: var(--brand-grey);
}
.wordmark .sep { color: var(--amber); }
.hdr-nav a { margin-left: 22px; font-size: 14px; }
.wrap { max-width: 760px; margin: 0 auto; padding: 40px 24px 80px; }
/* Index pages are a GRID, not prose — the 760px reading column (right for 60-75
   characters a line) squeezes cards into a narrow band with the header running
   full width past them. Wide container for index pages only. */
.wrap--wide { max-width: 1180px; padding-top: 26px; }
.index-head--tight { margin: 0 0 18px; padding: 0; display: flex; align-items: baseline;
  gap: 16px; flex-wrap: wrap; }
.index-head--tight h1 { margin: 0; font-size: 30px; letter-spacing: -0.02em; line-height: 1.1; }
.index-sub { margin: 0; color: var(--text-mid); font-size: 15px; }
.crumb { font-family: 'IBM Plex Mono', monospace; font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-dim);
  margin-bottom: 18px; }
h1 { font-weight: 400; font-size: 34px; letter-spacing: -0.03em;
  margin-bottom: 20px; }
h2 { font-weight: 400; font-size: 20px; margin: 32px 0 12px; }
.prose p { margin: 0 0 16px; color: var(--text); }
.prose ul, .prose ol { margin: 0 0 16px 22px; }
.prose li { margin-bottom: 6px; }
.prose code { font-family: 'IBM Plex Mono', monospace; font-size: 0.9em;
  background: var(--input-bg); padding: 2px 6px; border-radius: 4px; }
.prose strong { font-weight: 500; color: #f2f0eb; }
.open-in { margin: 0 0 24px; }
.btn, .btn:link, .btn:visited {
  display: inline-block; padding: 9px 18px; border: 1px solid var(--border);
  border-radius: 6px; color: var(--amber); font-size: 14px;
}
.btn:hover { border-color: var(--amber); }
.limitation { margin: 24px 0; padding: 14px 18px; background: var(--surface);
  border-left: 2px solid var(--amber-dark, #8a5e30); border-radius: 4px;
  color: var(--text-mid); font-size: 15px; }
.related, .also-asked { margin-top: 32px; padding-top: 20px;
  border-top: 1px solid var(--border); }
.related ul, .also-asked ul, .area ul { list-style: none; }
.related li, .area li { margin-bottom: 8px; }
.also-asked li { color: var(--text-mid); margin-bottom: 6px; }
.askbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  margin: 0 0 46px; }
.askbar-q { flex: 1 1 380px; }
.askbar-e { flex: 0 1 220px; }
.askbar input[type=text], .askbar input[type=email], .askbar-q {
  background: var(--input-bg); border: 1.5px solid var(--amber); border-radius: 5px;
  color: var(--amber-light); padding: 13px 15px; font-family: inherit; font-size: 15.5px; }
.askbar input::placeholder { color: var(--amber); opacity: 0.62; }
.askbar-q:focus, .askbar-e:focus { outline: none; border-color: var(--amber-light);
  box-shadow: 0 0 0 3px rgba(184,122,69,0.16); }
.askbar button { background: rgba(184,122,69,0.12); border: 2px solid var(--amber);
  color: var(--amber-light); border-radius: 5px; padding: 12px 30px; font-size: 15.5px;
  font-weight: 500; font-family: inherit; cursor: pointer; letter-spacing: 0.02em;
  transition: background .18s ease, border-color .18s ease; }
.askbar button:hover { background: rgba(184,122,69,0.22); border-color: var(--amber-light); }
.askbar .askbox-msg { flex-basis: 100%; margin: 0; font-size: 14px; color: var(--text-mid); }
.ask-results { margin: -34px 0 44px; border: 1px solid var(--border);
  border-radius: 6px; background: var(--surface); overflow: hidden; }
.sr-head { margin: 0; padding: 9px 15px; font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-dim); border-bottom: 1px solid var(--border); }
.sr-hit { display: block; padding: 11px 15px; font-size: 15px;
  border-bottom: 1px solid var(--border); }
.sr-hit:last-child { border-bottom: 0; }
.sr-hit:hover { background: rgba(184,122,69,0.08); }
.sr-none { margin: 0; padding: 13px 15px; font-size: 14.5px; color: var(--text-mid); }
.crumb { margin: 0 0 10px; font-family: 'IBM Plex Mono', monospace; font-size: 12px;
  letter-spacing: 0.1em; text-transform: uppercase; }
.askbar .hp { position: absolute; left: -9999px; width: 1px; height: 1px; }
.topic-grid { display: grid; gap: 18px; margin: 0 0 22px;
  grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .topic-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .topic-grid { grid-template-columns: 1fr; } }
.topic-card { display: flex; flex-direction: column; text-decoration: none;
  border: 1px solid var(--border); border-radius: 6px; overflow: hidden;
  background: var(--surface); transition: border-color .18s ease, transform .18s ease; }
.topic-card:hover { border-color: var(--amber); transform: translateY(-2px); }
.topic-card .card-art { display: block; width: 100%; height: 124px;
  object-fit: cover; background: #101216; border-bottom: 1px solid var(--border); }
/* Cover not shot yet — reads as a deliberate gap, not as decoration. */
.topic-card .card-art--empty { display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, #12151a 0%, #0e1013 100%); }
.topic-card .ph-mark { font-family: 'IBM Plex Mono', monospace; font-size: 11px;
  letter-spacing: 0.22em; color: #3a3d42; }
.topic-card .card-body { padding: 14px 16px 16px; }
.topic-card .eyebrow { display: block; font-family: 'IBM Plex Mono', monospace;
  font-size: 12.5px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--amber-light); margin-bottom: 7px; }
.topic-card .card-blurb { margin: 0 0 10px; font-size: 14.5px; line-height: 1.5;
  color: var(--text); opacity: 0.82; }
.topic-card .card-count { font-family: 'IBM Plex Mono', monospace; font-size: 11.5px;
  letter-spacing: 0.08em; color: var(--text-mid); }
.topic-nav { margin: 0 0 34px; padding: 16px 18px; border: 1px solid var(--border);
  background: var(--surface); border-radius: 4px; }
.topic-nav ul { list-style: none; margin: 0; padding: 0; display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 8px 22px; }
.topic-nav li { font-size: 14px; }
.topic-nav .count { color: var(--text-dim); font-size: 12px;
  font-family: 'IBM Plex Mono', monospace; }
.topic { margin-bottom: 40px; }
.topic h2 { font-size: 23px; letter-spacing: 0.05em; text-transform: uppercase;
  font-family: 'IBM Plex Mono', monospace; color: var(--amber);
  margin: 0 0 16px; padding-bottom: 12px; font-weight: 500;
  border-bottom: 1px solid var(--border); }
.topic-blurb { margin: 0 0 16px; color: var(--text-dim); font-size: 14px; }
.qa-grid { display: grid; gap: 14px; grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1000px) { .qa-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .qa-grid { grid-template-columns: 1fr; } }
.qa-tile { display: flex; flex-direction: column; gap: 7px; min-height: 132px;
  padding: 15px 16px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--surface); text-decoration: none;
  transition: border-color .18s ease, transform .18s ease; }
.qa-tile:hover { border-color: var(--amber); transform: translateY(-2px); }
.qa-tile .qa-q { font-size: 15.5px; line-height: 1.4; color: var(--text); }
.qa-tile .qa-snip { font-size: 13.5px; line-height: 1.5; color: var(--text-mid); }
.source-note { margin-top: 22px; padding: 14px 16px; border: 1px solid var(--border);
  border-left: 2px solid var(--amber); background: var(--surface); border-radius: 4px; }
.source-note .checked { margin: 0 0 6px; font-size: 14px; color: var(--text-mid); }
.source-note .disclaimer { margin: 0; font-size: 13px; color: var(--text-dim); }
.source-note a, .source-note a:link, .source-note a:visited { color: var(--amber); }
.provenance { margin-top: 28px; font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: 0.1em; color: var(--text-dim); }
.index-head { margin-bottom: 36px; }

/* Sibling switch between the two libraries. Link colour MUST carry :link and
   :visited or the UA's a:link rule (specificity 0,1,1) beats a class-only rule
   and both tabs render browser-default blue. See root CLAUDE.md. */
.lib-tabs { display: flex; align-items: baseline; gap: 10px; margin: 14px 0 0;
  font-family: 'IBM Plex Mono', monospace; font-size: 12px;
  letter-spacing: 0.1em; text-transform: uppercase; }
.lib-tabs-sep { color: var(--text-dim); }
.lib-tab, .lib-tab:link, .lib-tab:visited {
  color: var(--text-dim); text-decoration: none; padding-bottom: 3px;
  border-bottom: 1px solid transparent; }
.lib-tab:hover, .lib-tab:link:hover, .lib-tab:visited:hover { color: var(--amber-light); }
.lib-tab.is-active, .lib-tab.is-active:link, .lib-tab.is-active:visited {
  color: var(--amber); border-bottom-color: var(--amber); }
.index-head p { color: var(--text-mid); }
.area { margin-bottom: 28px; }
.area h2 { font-family: 'IBM Plex Mono', monospace; font-size: 12px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-dim);
  margin: 0 0 12px; }
.empty { color: var(--text-mid); margin: 20px 0; }
.askbox { margin-top: 48px; padding: 28px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 10px; }
.askbox-sub { color: var(--text-mid); font-size: 15px; margin-bottom: 16px; }
.askbox-form { display: flex; flex-direction: column; gap: 12px; }
.askbox-form textarea, .askbox-form input[type=email] {
  background: var(--input-bg); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); padding: 12px 14px;
  font-family: inherit; font-size: 15px; }
.askbox-form textarea { min-height: 92px; resize: vertical; }
.askbox-form .hp { position: absolute; left: -9999px; width: 1px; height: 1px;
  opacity: 0; }
.askbox-form button {
  align-self: flex-start; padding: 10px 22px; background: transparent;
  border: 1px solid var(--border); border-radius: 6px; color: var(--amber);
  font-family: inherit; font-size: 14px; cursor: pointer; }
.askbox-form button:hover { border-color: var(--amber); }
.askbox-msg { color: var(--text-mid); font-size: 14px; min-height: 18px; }
.ftr { display: flex; justify-content: space-between; max-width: 1180px;
  margin: 0 auto; padding: 24px; border-top: 1px solid var(--border);
  color: var(--text-dim); font-size: 13px; }