/* The handbook pages (tools/site/build-handbook.ts). Tokens come from style.css. */
.hb { max-width: 860px; padding-block: 32px 56px; }
.hb .intro { color: var(--muted); font-size: 1.08rem; }
.hb .notice { color: var(--muted); font-size: 0.8rem; margin-top: 36px; max-width: 70ch; }
.crumb { font: 600 0.78rem/1.3 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 18px; }

/* Index */
.hb-head { display: grid; gap: 10px; padding-bottom: 20px; margin-bottom: 24px; border-bottom: 2px solid var(--amber); }
.hb-head h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
.hb-head .intro { max-width: 60ch; }
.chapters { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.chapters .divider { margin: 26px 0 4px; }
.chapter-card {
  display: grid; grid-template-columns: 3.4rem minmax(0, 1fr);
  background: var(--strip); color: var(--strip-ink); text-decoration: none;
  border-left: 6px solid var(--amber);
}
.chapter-card:hover { background: #f4eed9; color: var(--strip-ink); }
.chapter-card .num {
  display: grid; align-content: center; justify-items: center;
  border-right: 1px solid var(--strip-line); padding: 12px 6px;
  font: 700 1.2rem/1 var(--mono); letter-spacing: 0.04em;
}
.chapter-card .ct { padding: 14px 18px; display: grid; gap: 4px; min-width: 0; }
.chapter-card h2 { font-size: 1.45rem; }
.chapter-card p { color: #3a403c; font-size: 0.97rem; }
.chapter-card small { font: 0.72rem/1.4 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: #5b5a4c; }
.glossary-card { grid-template-columns: minmax(0, 1fr); margin-top: 18px; }
.hb-cta { margin-top: 40px; padding: 24px; background: var(--ground-2); border: 1px solid var(--rule); display: grid; gap: 10px; }
.hb-cta h2 { font-size: 1.6rem; }
.hb-cta p { color: var(--muted); max-width: 60ch; }
.btn {
  display: inline-block; padding: 10px 18px; background: var(--amber); color: var(--ground);
  font: 700 1.05rem/1 var(--display); letter-spacing: 0.06em; text-decoration: none;
}
.btn:hover { background: var(--text); color: var(--ground); }

/* Chapter */
.hb-card > header { display: grid; gap: 10px; padding-bottom: 20px; border-bottom: 2px solid var(--amber); }
.hb-card h1 { font-size: clamp(2rem, 4.4vw, 2.9rem); }
.toc { margin-top: 8px; display: grid; gap: 6px; }
.toc ul, .mentioned ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 20px; }
.toc a, .mentioned a { font-size: 0.95rem; }

.prose { padding-top: 12px; overflow-wrap: break-word; }
.prose h2 { font-size: 1.7rem; margin: 40px 0 12px; scroll-margin-top: 16px; }
.prose p, .prose li { color: var(--muted); }
.prose p { margin-top: 14px; }
.prose ul { margin: 12px 0 0; padding-left: 1.3em; }
.prose li + li { margin-top: 6px; }
.prose strong { color: var(--text); }

/* Glossary term links and their native popovers */
button.term {
  font: inherit; color: var(--text); background: none; border: 0; padding: 0; cursor: help;
  text-decoration: underline dotted var(--green); text-underline-offset: 4px;
}
button.term:hover { color: var(--amber); }
.term-pop {
  margin: auto; max-width: min(24rem, calc(100vw - 32px)); padding: 18px 20px;
  background: var(--ground-2); color: var(--text); border: 1px solid var(--amber); text-align: left;
}
.term-pop:popover-open { display: block; }
.term-pop::backdrop { background: rgb(0 0 0 / 0.5); }
.term-pop > span, .term-pop > a { display: block; }
.tp-term { font: 700 1.3rem/1.1 var(--display); }
.tp-say { font: 0.9rem/1.4 var(--mono); color: var(--green); margin-top: 2px; }
.tp-def { color: var(--muted); margin-top: 8px; }
.term-pop a { margin-top: 10px; font-size: 0.92rem; }

.mentioned { margin-top: 36px; padding: 16px 18px; background: var(--ground-2); border: 1px solid var(--rule); display: grid; gap: 8px; }

/* Radio exchange: like the game's comm log */
.radio { margin: 28px 0; border: 1px solid var(--rule); background: var(--ground-2); }
.radio-head { display: flex; justify-content: space-between; gap: 12px; padding: 8px 14px; border-bottom: 1px solid var(--rule); }
.atc-audio-soon { font: 0.7rem/1.6 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.tx { display: flex; align-items: flex-start; gap: 12px; padding: 10px 14px; }
.tx + .tx { border-top: 1px solid var(--rule); }
.tx.pilot { background: rgb(111 220 156 / 0.05); }
.tx > div { min-width: 0; }
.tx .who { font: 700 0.7rem/1.6 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--you); }
.tx.pilot .who { color: var(--green); }
.tx p { margin: 2px 0 0; font: 0.96rem/1.5 var(--mono); color: var(--text); }
button.atc-play {
  flex: none; width: 30px; height: 30px; margin-top: 2px; padding: 0; border-radius: 50%;
  display: grid; place-items: center; background: none; color: var(--muted);
  border: 1px solid var(--rule); opacity: 0.5; cursor: not-allowed;
}
button.atc-play svg { width: 12px; height: 12px; fill: currentColor; }
button.atc-play.atc-play-ready { cursor: pointer; opacity: 1; color: var(--green); border-color: var(--green); }
button.atc-play.atc-play-ready:hover { background: rgb(111 220 156 / 0.12); }
button.atc-play.atc-playing { background: var(--green); color: var(--ground); }

/* FAA quote: a passage from the official manual */
.quote { margin: 28px 0; padding: 16px 18px; background: var(--ground-2); border: 1px solid var(--rule); border-left: 4px solid var(--amber); }
.q-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; }
.q-id { font: 700 0.8rem/1.4 var(--mono); color: var(--ground); background: var(--amber); padding: 1px 7px; }
.q-title { font: 700 0.85rem/1.4 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--amber); }
.quote blockquote { margin: 12px 0 0; display: grid; gap: 8px; }
.quote blockquote p { margin: 0; color: var(--text); font-size: 0.96rem; line-height: 1.65; }
.q-p b { color: var(--muted); font-weight: 600; }
.q-phr { background: var(--ground); border: 1px solid var(--rule); padding: 8px 12px; font-family: var(--mono); font-size: 0.9rem !important; color: var(--green) !important; }
.q-ex { font-style: italic; color: var(--muted) !important; }
.q-note { color: var(--muted) !important; font-size: 0.9rem !important; }
.q-tag { margin-right: 10px; font: 700 0.65rem/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; font-style: normal; color: var(--amber); }
.q-table { overflow-x: auto; }
.q-table table { border-collapse: collapse; min-width: 100%; font-size: 0.9rem; color: var(--muted); }
.q-table th, .q-table td { padding: 4px 8px; border-bottom: 1px solid var(--rule); text-align: left; }
.q-table th { color: var(--text); font-weight: 600; }
.quote figcaption { margin-top: 12px; font-size: 0.78rem; line-height: 1.5; color: var(--muted); }

/* Figures: recoloured for the dark ground at build time (darkFigure in build-handbook.ts) */
.fig { margin: 28px 0; }
.fig img { width: 100%; border: 1px solid var(--rule); }
.fig-ph { aspect-ratio: 16 / 9; display: grid; align-content: center; justify-items: center; gap: 8px; padding: 24px; text-align: center; border: 2px dashed var(--rule); }
.fig-ph p { color: var(--muted); font-style: italic; font-size: 0.9rem; max-width: 40ch; }
.fig figcaption { margin-top: 8px; font-size: 0.88rem; color: var(--muted); text-align: center; }

/* Previous / next */
.pager { display: flex; justify-content: space-between; gap: 12px; margin-top: 28px; }
.pager a {
  display: grid; gap: 4px; max-width: 48%; padding: 12px 16px; text-decoration: none;
  background: var(--strip); color: var(--strip-ink); border-left: 6px solid var(--amber);
}
.pager a:hover { background: #f4eed9; }
.pager .next { text-align: right; border-left: 0; border-right: 6px solid var(--amber); margin-left: auto; }
.pager .label { color: #5b5a4c; font-size: 0.68rem; }
.pager b { font: 700 1.1rem/1.15 var(--display); }

/* Glossary */
.g-group { padding-block: 24px 0; }
.g-group h2 { font-size: 1.7rem; }
.g-group .intro { margin-top: 6px; }
.g-tiles, .g-list { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 10px; }
.g-tiles { grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr)); }
.g-tiles li, .g-list li { background: var(--strip); color: var(--strip-ink); border-left: 6px solid var(--amber); padding: 12px 14px; scroll-margin-top: 16px; }
.g-tiles li:target, .g-list li:target { outline: 2px solid var(--green); }
.g-top { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 16px; }
.g-top b { font: 700 1.5rem/1.1 var(--display); }
.g-list .g-top b { font-size: 1.3rem; }
.g-sayline { display: flex; align-items: center; gap: 8px; }
.g-say { font: 0.88rem/1.4 var(--mono); color: #2d5a43; margin-top: 2px; }
.g-sayline .g-say { margin: 0; }
.g-def { margin-top: 6px; font-size: 0.93rem; color: #3a403c; }
.g-list .g-def { font-size: 1rem; }
.g-top button.atc-play { border-color: var(--strip-line); color: #5b5a4c; }
.g-top button.atc-play.atc-play-ready { color: #1f6b46; border-color: #1f6b46; }
.g-top button.atc-play.atc-playing { background: #1f6b46; color: #fff; }

@media (max-width: 560px) {
  .chapter-card { grid-template-columns: 2.6rem minmax(0, 1fr); }
  .chapter-card .ct { padding: 12px 12px; }
  .pager { flex-direction: column; }
  .pager a, .pager .next { max-width: none; margin-left: 0; }
  .quote, .hb-cta { padding: 14px; }
}