/* ─────────────────────────────────────────────────────────────────────────
   glean docs — "harvest editorial"
   Warm paper & deep ink, one harvest-gold accent. Bricolage Grotesque
   display over Instrument Sans body; Fragment Mono for everything code.
   ──────────────────────────────────────────────────────────────────────── */

:root {
  --font-display: "Bricolage Grotesque", ui-sans-serif, sans-serif;
  --font-body: "Instrument Sans", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "Fragment Mono", ui-monospace, "SF Mono", monospace;

  /* light: ink on warm paper */
  --bg: #faf8f4;
  --bg-raise: #ffffff;
  --bg-sunken: #f3efe7;
  --ink: #1b1812;
  --ink-soft: #5c554a;
  --ink-faint: #8d8579;
  --line: #e6e0d4;
  --line-strong: #d5cdbc;
  --gold: #b07c10;
  --gold-bright: #e8b04a;
  --gold-wash: #f6ead2;
  --green: #3a6b4a;
  --red: #a8432f;
  --red-wash: #f7e8e2;

  /* code is ALWAYS ink, both themes */
  --code-bg: #16130e;
  --code-line: #2b261d;
  --code-text: #e9e2d4;
  --code-faint: #837a69;
  --code-key: #e8b04a;   /* keywords — harvest gold */
  --code-str: #a9c79a;   /* strings — sage */
  --code-fn: #ecd9a8;    /* functions — pale wheat */
  --code-type: #c9b8e8;  /* types — dried lavender */
  --code-num: #d9a079;   /* numbers — clay */

  --shadow: 0 1px 2px rgb(27 24 18 / 0.05), 0 8px 24px -12px rgb(27 24 18 / 0.18);
  --radius: 10px;
  --topbar-h: 57px;
}

:root[data-theme="dark"] {
  --bg: #14110c;
  --bg-raise: #1c1812;
  --bg-sunken: #100d09;
  --ink: #ece5d8;
  --ink-soft: #b3a895;
  --ink-faint: #7d745f;
  --line: #2c261c;
  --line-strong: #3d3526;
  --gold: #e8b04a;
  --gold-bright: #f3c46a;
  --gold-wash: #2a2110;
  --green: #8fbf9d;
  --red: #e08a72;
  --red-wash: #2e1a13;
  --code-bg: #100d09;
  --code-line: #28221a;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.4), 0 8px 24px -12px rgb(0 0 0 / 0.6);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--topbar-h) + 24px); }
html, body { margin: 0; }

body {
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s ease, color 0.25s ease;
}

::selection { background: var(--gold-bright); color: #1b1812; }

/* ── top bar ───────────────────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 16px;
  height: var(--topbar-h);
  padding: 0 20px;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex; align-items: baseline; gap: 8px;
  font-family: var(--font-display);
  font-size: 19px; font-weight: 700; letter-spacing: -0.01em;
  color: var(--ink); text-decoration: none;
}
.brand .mark { color: var(--gold); font-size: 17px; transform: translateY(-1px); }
.brand .tag {
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 400;
  color: var(--ink-faint); letter-spacing: 0.04em;
}
.topbar-spacer { flex: 1; }
.search-btn {
  display: flex; align-items: center; gap: 10px;
  min-width: 220px;
  padding: 6px 10px 6px 12px;
  font-family: var(--font-body); font-size: 13.5px; color: var(--ink-faint);
  background: var(--bg-raise); border: 1px solid var(--line); border-radius: 8px;
  cursor: pointer; transition: border-color 0.15s ease, color 0.15s ease;
}
.search-btn:hover { border-color: var(--gold); color: var(--ink-soft); }
.search-btn kbd {
  margin-left: auto;
  font-family: var(--font-mono); font-size: 10.5px;
  padding: 2px 6px; border: 1px solid var(--line); border-radius: 5px;
  background: var(--bg-sunken); color: var(--ink-faint);
}
.icon-btn {
  display: grid; place-items: center;
  width: 34px; height: 34px;
  color: var(--ink-soft); background: transparent;
  border: 1px solid transparent; border-radius: 8px;
  cursor: pointer; text-decoration: none; font-size: 15px;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}
.icon-btn:hover { background: var(--bg-sunken); border-color: var(--line); }
.menu-btn { display: none; }

/* ── shell: sidebar / article / toc ───────────────────────────────────── */
.shell {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr) 224px;
  gap: 0 48px;
  max-width: 1340px;
  margin: 0 auto;
  padding: 0 24px;
}

.sidebar {
  position: sticky; top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: 28px 8px 48px 0;
  border-right: 1px solid var(--line);
  scrollbar-width: thin;
}
.sidebar .group {
  font-family: var(--font-mono);
  font-size: 10.5px; font-weight: 400;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gold);
  margin: 26px 0 8px 12px;
}
.sidebar .group:first-child { margin-top: 4px; }
.sidebar nav a {
  position: relative;
  display: block;
  padding: 6px 12px;
  font-size: 14px; color: var(--ink-soft);
  text-decoration: none; border-radius: 7px;
  transition: color 0.12s ease, background-color 0.12s ease;
}
.sidebar nav a:hover { color: var(--ink); background: var(--bg-sunken); }
.sidebar nav a.active {
  color: var(--ink); font-weight: 600;
  background: var(--gold-wash);
}
.sidebar nav a.active::before {
  content: "";
  position: absolute; left: 0; top: 7px; bottom: 7px; width: 3px;
  border-radius: 3px; background: var(--gold);
}

/* ── article ───────────────────────────────────────────────────────────── */
main { min-width: 0; }
article {
  max-width: 720px;
  padding: 44px 0 96px;
  animation: article-in 0.35s ease both;
}
@keyframes article-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}
.kicker {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 10px;
}
h1 {
  font-family: var(--font-display);
  font-size: 40px; font-weight: 700; letter-spacing: -0.025em; line-height: 1.12;
  margin: 0 0 14px;
}
.lede, article h1 + p { font-size: 17.5px; line-height: 1.65; color: var(--ink-soft); margin: 0 0 8px; }
h2 {
  font-family: var(--font-display);
  font-size: 24px; font-weight: 700; letter-spacing: -0.015em;
  margin: 52px 0 14px; padding-top: 18px;
  border-top: 1px solid var(--line);
}
h2:first-of-type { border-top: none; padding-top: 0; }
h3 { font-family: var(--font-display); font-size: 18px; font-weight: 650; margin: 30px 0 8px; }
p { margin: 0 0 16px; }
a { color: var(--gold); text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--gold) 40%, transparent); text-underline-offset: 3px; transition: text-decoration-color 0.15s ease; }
a:hover { text-decoration-color: var(--gold); }
ul, ol { padding-left: 24px; margin: 0 0 16px; }
li { margin: 5px 0; }
strong { font-weight: 650; }
em { font-style: italic; }
hr { border: none; border-top: 1px solid var(--line); margin: 32px 0; }

code {
  font-family: var(--font-mono); font-size: 0.86em;
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  padding: 1.5px 5px; border-radius: 5px;
  white-space: nowrap;
}
a code { color: inherit; }
h1 code, h2 code, h3 code { font-size: 0.92em; background: transparent; border: none; padding: 0; }

/* ── code blocks ───────────────────────────────────────────────────────── */
.codeblock {
  margin: 18px 0 22px;
  border-radius: var(--radius);
  background: var(--code-bg);
  border: 1px solid var(--code-line);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.codeblock-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 8px 7px 14px;
  border-bottom: 1px solid var(--code-line);
}
.codeblock-bar .lang {
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--code-faint);
}
.codeblock-bar .title { font-family: var(--font-mono); font-size: 11.5px; color: var(--code-faint); }
.codeblock-bar .code-copy {
  margin-left: auto;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.06em;
  color: var(--code-faint); background: transparent;
  border: 1px solid var(--code-line); border-radius: 6px;
  padding: 3px 9px; cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.codeblock-bar .code-copy:hover { color: var(--code-text); border-color: var(--code-faint); }
.codeblock-bar .code-copy.copied { color: var(--code-str); border-color: var(--code-str); }
.codeblock pre {
  margin: 0; padding: 16px 18px;
  overflow-x: auto;
  font-family: var(--font-mono); font-size: 13px; line-height: 1.65;
  color: var(--code-text);
  scrollbar-width: thin;
}
.codeblock pre code { all: unset; font-family: inherit; }

/* bare pre (ASCII flow diagrams etc.) */
article > pre, .flow {
  margin: 18px 0 22px; padding: 16px 18px;
  border-radius: var(--radius);
  background: var(--code-bg); color: var(--code-text);
  border: 1px solid var(--code-line);
  overflow-x: auto;
  font-family: var(--font-mono); font-size: 12.5px; line-height: 1.6;
  white-space: pre;
}

/* syntax tokens (new) + legacy classes from earlier pages */
.tok-k, .k { color: var(--code-key); }
.tok-s, .s { color: var(--code-str); }
.tok-f, .f { color: var(--code-fn); }
.tok-t, .t { color: var(--code-type); }
.tok-c, .c { color: var(--code-faint); font-style: italic; }
.tok-n { color: var(--code-num); }

/* ── callouts, cards, tables ───────────────────────────────────── */
.note, .warn, .ok {
  margin: 18px 0; padding: 13px 16px 13px 44px;
  position: relative;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg-raise);
  font-size: 14.5px;
}
.note::before, .warn::before, .ok::before {
  position: absolute; left: 16px; top: 12px;
  font-size: 14px;
}
.note { border-left: 3px solid var(--gold); }
.note::before { content: "✳"; color: var(--gold); }
.warn { border-left: 3px solid var(--red); background: var(--red-wash); }
.warn::before { content: "△"; color: var(--red); }
.ok { border-left: 3px solid var(--green); }
.ok::before { content: "✓"; color: var(--green); }

.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 20px 0; }
.card {
  padding: 16px 18px;
  background: var(--bg-raise);
  border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { border-color: var(--gold); transform: translateY(-1px); box-shadow: var(--shadow); }
.card h3 { margin: 0 0 6px; font-size: 15px; font-family: var(--font-mono); font-weight: 400; }
.card p { font-size: 13.5px; color: var(--ink-soft); margin: 0 0 8px; }
.card a { font-size: 13px; }

table { border-collapse: collapse; width: 100%; margin: 18px 0 22px; font-size: 14px; }
th {
  text-align: left;
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-faint);
  padding: 8px 14px 8px 0;
  border-bottom: 1px solid var(--line-strong);
}
td { padding: 9px 14px 9px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: none; }

footer { margin-top: 56px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--ink-faint); font-size: 13px; }

/* prev / next */
.pagenav { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 56px; }
.pagenav a {
  display: block; padding: 14px 18px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg-raise); text-decoration: none;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.pagenav a:hover { border-color: var(--gold); transform: translateY(-1px); }
.pagenav .dir {
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-faint); display: block; margin-bottom: 3px;
}
.pagenav .title { color: var(--ink); font-weight: 600; font-size: 14.5px; }
.pagenav a.next { text-align: right; grid-column: 2; }

/* ── "on this page" rail ──────────────────────────────────────────────── */
.toc {
  position: sticky; top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: 44px 0 48px 4px;
  font-size: 13px;
}
.toc .toc-label {
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-faint); margin-bottom: 10px;
}
.toc a {
  display: block; padding: 4px 0 4px 12px;
  color: var(--ink-faint); text-decoration: none;
  border-left: 1px solid var(--line);
  transition: color 0.12s ease, border-color 0.12s ease;
}
.toc a:hover { color: var(--ink); }
.toc a.active { color: var(--gold); border-left-color: var(--gold); font-weight: 600; }

/* ── search palette ───────────────────────────────────────────────────── */
.palette-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: color-mix(in srgb, #16130e 45%, transparent);
  backdrop-filter: blur(3px);
  display: grid; place-items: start center;
  padding-top: 14vh;
  animation: overlay-in 0.15s ease both;
}
@keyframes overlay-in { from { opacity: 0; } }
.palette {
  width: min(620px, calc(100vw - 32px));
  background: var(--bg-raise);
  border: 1px solid var(--line-strong); border-radius: 14px;
  box-shadow: 0 24px 64px -16px rgb(0 0 0 / 0.35);
  overflow: hidden;
  animation: palette-in 0.18s cubic-bezier(0.2, 0.9, 0.3, 1.2) both;
}
@keyframes palette-in { from { opacity: 0; transform: scale(0.97) translateY(-6px); } }
.palette input {
  width: 100%; padding: 16px 18px;
  font-family: var(--font-body); font-size: 16px;
  color: var(--ink); background: transparent;
  border: none; outline: none;
  border-bottom: 1px solid var(--line);
}
.palette-results { max-height: 50vh; overflow-y: auto; padding: 8px; }
.palette-results a {
  display: block; padding: 10px 12px;
  border-radius: 8px; text-decoration: none;
  color: var(--ink);
}
.palette-results a .where {
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--gold); display: block; margin-bottom: 1px;
}
.palette-results a .what { font-size: 14.5px; }
.palette-results a.selected, .palette-results a:hover { background: var(--gold-wash); }
.palette-empty { padding: 24px; text-align: center; color: var(--ink-faint); font-size: 14px; }

/* ── responsive ───────────────────────────────────────────────────────── */
@media (max-width: 1180px) {
  .shell { grid-template-columns: 240px minmax(0, 1fr); }
  .toc { display: none; }
}
@media (max-width: 880px) {
  .shell { grid-template-columns: minmax(0, 1fr); padding: 0 18px; }
  .menu-btn { display: grid; }
  .search-btn { min-width: 0; }
  .search-btn .hint, .search-btn kbd { display: none; }
  .sidebar {
    position: fixed; left: 0; top: var(--topbar-h); z-index: 60;
    width: 280px; padding: 20px 16px 40px;
    background: var(--bg);
    border-right: 1px solid var(--line-strong);
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    box-shadow: var(--shadow);
  }
  .sidebar.open { transform: none; }
  h1 { font-size: 32px; }
  .cards { grid-template-columns: 1fr; }
}