/* The Astrolabe manual — one sheet for both languages. Logical properties
   throughout: the Arabic site is the same sheet read from the right. Tokens
   follow the brand's room (tokens.css, graphite): solid neutral greys, gold
   leaf for the one accent; the light sheet is plain paper with the same gold. */

:root {
  --bg: #0d1117;
  --bg-raised: #161b22;
  --bg-hover: #1f2630;
  --text: #e6edf3;
  --text-muted: #9aa4b2;
  --text-faint: #6e7681;
  --accent: #e3b341;
  --accent-soft: rgba(227, 179, 65, 0.14);
  --border: #30363d;
  --code: #161b22;
  --serif: "EB Garamond", "Noto Naskh Arabic", Georgia, serif;
  --sans: "Noto Sans", "Noto Sans Arabic", system-ui, sans-serif;
  --mono: ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace;
  --nav-w: 250px;
  --toc-w: 220px;
  --measure: 46rem;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #ffffff;
  --bg-raised: #f6f8fa;
  --bg-hover: #eaeef2;
  --text: #1f2328;
  --text-muted: #59636e;
  --text-faint: #818b98;
  --accent: #9a6700;
  --accent-soft: rgba(154, 103, 0, 0.12);
  --border: #d1d9e0;
  --code: #f6f8fa;
  color-scheme: light;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 4.5rem; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.65;
}

html[lang="ar"] body { font-size: 16.5px; line-height: 1.9; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ── Top bar ─────────────────────────────────────────────────────────────── */
.top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 14px;
  height: 3.4rem;
  padding-inline: 18px;
  background: color-mix(in srgb, var(--bg-raised) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.top__brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
  white-space: nowrap;
}

.top__star { color: var(--accent); display: inline-flex; line-height: 0; }
.was { padding: 12px 16px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg-raised); color: var(--text-muted); font-size: 0.95em; }
.top__star svg { width: 22px; height: 22px; }
.top__docs { color: var(--text-faint); font-weight: 400; }

.top__search {
  position: relative;
  flex: 1 1 auto;
  max-width: 480px;
  margin-inline-start: auto;
}

.top__search input {
  width: 100%;
  padding: 7px 12px;
  font: inherit;
  font-size: 0.93rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.top__search input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.top__results {
  position: absolute;
  inset-inline: 0;
  top: calc(100% + 6px);
  max-height: 60vh;
  overflow-y: auto;
  padding: 6px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
}

.result {
  display: block;
  padding: 8px 10px;
  border-radius: 6px;
  color: var(--text);
}

.result:hover, .result.is-active { background: var(--bg-hover); text-decoration: none; }
.result__page { font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-faint); }
.result__heading { font-weight: 600; }
.result__text { font-size: 0.86rem; color: var(--text-muted); }
.result mark { background: var(--accent-soft); color: var(--accent); }
.top__results .empty { padding: 10px; color: var(--text-faint); }

.top__lang, .top__repo, .top__theme, .top__menu {
  font: inherit;
  font-size: 0.9rem;
  color: var(--text-muted);
  background: none;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 5px 10px;
  cursor: pointer;
  white-space: nowrap;
}

.top__lang:hover, .top__repo:hover, .top__theme:hover, .top__menu:hover { color: var(--text); border-color: var(--border); text-decoration: none; }
.top__menu { display: none; font-size: 1.1rem; }

/* ── Layout ──────────────────────────────────────────────────────────────── */
.layout {
  display: grid;
  grid-template-columns: var(--nav-w) minmax(0, 1fr) var(--toc-w);
  gap: 0 32px;
  max-width: 1360px;
  margin: 0 auto;
  padding-inline: 18px;
}

.nav {
  position: sticky;
  top: 3.4rem;
  align-self: start;
  max-height: calc(100vh - 3.4rem);
  overflow-y: auto;
  padding-block: 24px 40px;
  padding-inline-end: 12px;
  border-inline-end: 1px solid var(--border);
  scrollbar-width: thin;
}

.nav__section { margin-block-start: 18px; }
.nav__title { font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin-block-end: 6px; padding-inline-start: 10px; }
.nav__link { display: block; padding: 5px 10px; border-radius: 6px; color: var(--text-muted); font-size: 0.95rem; }
.nav__link:hover { color: var(--text); background: var(--bg-hover); text-decoration: none; }
.nav__link.is-current { color: var(--accent); background: var(--accent-soft); font-weight: 600; }
.nav__home { font-weight: 600; color: var(--text); }

.main { min-width: 0; padding-block: 28px 60px; }

.toc {
  position: sticky;
  top: 3.4rem;
  align-self: start;
  max-height: calc(100vh - 3.4rem);
  overflow-y: auto;
  padding-block: 28px;
  font-size: 0.86rem;
  scrollbar-width: thin;
}

.toc__title { font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin-block-end: 8px; }
.toc__link { display: block; padding: 3px 0 3px 10px; border-inline-start: 2px solid var(--border); color: var(--text-muted); }
.toc__link--3 { padding-inline-start: 22px; font-size: 0.82rem; }
.toc__link:hover { color: var(--text); text-decoration: none; }
.toc__link.is-active { color: var(--accent); border-color: var(--accent); }

/* ── The document ────────────────────────────────────────────────────────── */
.doc { max-width: var(--measure); }
.doc h1 { font-family: var(--serif); font-size: 2.4rem; font-weight: 600; line-height: 1.15; letter-spacing: -0.01em; margin: 0 0 8px; }
.doc h1 + p em, .doc h1 + p > em { font-size: 1.1rem; color: var(--text-muted); }
.doc h2 { font-family: var(--serif); font-size: 1.7rem; font-weight: 600; margin: 2.2em 0 0.6em; padding-block-start: 0.6em; border-top: 1px solid var(--border); }
.doc h3 { font-size: 1.15rem; margin: 1.8em 0 0.5em; }
.doc h2 .anchor, .doc h3 .anchor { color: inherit; }
.doc h2 .anchor:hover::after, .doc h3 .anchor:hover::after { content: " #"; color: var(--accent); }
.doc p, .doc li { max-width: var(--measure); }
.doc code { font-family: var(--mono); font-size: 0.88em; padding: 1px 5px; background: var(--code); border: 1px solid var(--border); border-radius: 4px; }
.doc pre { padding: 14px 16px; overflow-x: auto; background: var(--code); border: 1px solid var(--border); border-radius: 8px; line-height: 1.5; }
.doc pre code { padding: 0; border: 0; background: none; font-size: 0.86rem; }
.doc blockquote { margin: 1em 0; padding: 10px 16px; border-inline-start: 3px solid var(--accent); background: var(--accent-soft); border-radius: 0 8px 8px 0; color: var(--text); }
html[dir="rtl"] .doc blockquote { border-radius: 8px 0 0 8px; }
.doc blockquote p { margin: 0.3em 0; }
.doc hr { border: 0; border-top: 1px solid var(--border); margin: 2em 0; }
.doc figure { margin: 1.4em 0; }
.doc figure img { max-width: 100%; border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 16px 40px rgba(0,0,0,0.3); }
.doc figcaption { font-size: 0.85rem; color: var(--text-faint); margin-top: 6px; }
.doc .table { overflow-x: auto; margin: 1em 0; border: 1px solid var(--border); border-radius: 8px; }
.doc table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.doc th, .doc td { padding: 8px 12px; border-bottom: 1px solid var(--border); vertical-align: top; text-align: start; }
.doc th { font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-faint); background: var(--bg-raised); }
.doc tr:last-child td { border-bottom: 0; }
.doc kbd { font-family: var(--mono); font-size: 0.82em; padding: 1px 6px; border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 4px; background: var(--bg-raised); }
.doc strong { color: var(--text); }

.notice { padding: 10px 14px; margin-block-end: 18px; border: 1px dashed var(--accent); border-radius: 8px; background: var(--accent-soft); color: var(--text); font-size: 0.92rem; }

.edit { margin: 2.5em 0 0; font-size: 0.86rem; color: var(--text-faint); }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-block-start: 28px; max-width: var(--measure); }
.pager__link { display: flex; flex-direction: column; gap: 2px; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px; color: var(--text); }
.pager__link:hover { border-color: var(--accent); text-decoration: none; }
.pager__link--next { text-align: end; }
.pager__kicker { font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-faint); }
.pager__title { font-weight: 600; }

.foot { margin-block-start: 40px; padding-block-start: 16px; border-top: 1px solid var(--border); font-size: 0.82rem; color: var(--text-faint); max-width: var(--measure); }

/* ── Home ────────────────────────────────────────────────────────────────── */
.doc .lede { font-size: 1.15rem; color: var(--text-muted); max-width: var(--measure); }
/* The tagline, one line under the manual's title — the same words the landing page and the README open with. */
.doc .strap { font-style: italic; font-size: 1.3rem; color: var(--accent, var(--text)); margin: -0.5rem 0 0.75rem; }
.home__section h2 { font-family: var(--serif); font-size: 1.4rem; margin: 2em 0 0.7em; border: 0; padding: 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; max-width: 60rem; }
.card { display: flex; flex-direction: column; gap: 6px; padding: 14px 16px; border: 1px solid var(--border); border-radius: 12px; background: var(--bg-raised); color: var(--text); transition: border-color 150ms ease, transform 150ms ease; }
.card:hover { border-color: var(--accent); transform: translateY(-1px); text-decoration: none; }
.card__title { font-family: var(--serif); font-size: 1.15rem; font-weight: 600; }
.card__sub { font-size: 0.88rem; color: var(--text-muted); }

/* ── Narrow ──────────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .layout { grid-template-columns: var(--nav-w) minmax(0, 1fr); }
  .toc { display: none; }
}

@media (max-width: 760px) {
  .layout { grid-template-columns: minmax(0, 1fr); padding-inline: 14px; }
  .top { gap: 8px; padding-inline: 10px; }
  .top__menu { display: inline-block; }
  .top__repo, .top__docs { display: none; }
  .nav { position: fixed; inset-block: 3.4rem 0; inset-inline-start: 0; width: min(85vw, 320px); padding-inline: 12px; background: var(--bg-raised); border-inline-end: 1px solid var(--border); transform: translateX(-100%); transition: transform 180ms ease; z-index: 15; }
  html[dir="rtl"] .nav { transform: translateX(100%); }
  .nav.is-open { transform: none; }
  .doc h1 { font-size: 1.9rem; }
}