/* ============================================================
   Friends & Robots — Documentation
   Layered on css/tokens.css (design tokens + self-hosted Quicksand).
   Shares the visual language of the landing page.
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap");

:root {
  --font-display: "Quicksand", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Docs page background sits a touch darker than the app surface. */
  --ink: #0C1015;
  --o: #F97316;
  --o-soft: rgba(249,115,22,0.10);
  --t: #6FBCD9;
  --t-soft: rgba(111,188,217,0.10);

  --nav-h: 64px;
  --sidebar-w: 270px;
  --toc-w: 220px;
  --gutter: clamp(20px, 4vw, 56px);

  /* docs body text — lighter than the global --fg-2 */
  --doc-fg: #ECEDEF;
}

* { box-sizing: border-box; }
/* Always reserve the vertical scrollbar so short and long pages don't
   shift horizontally as you navigate between them. */
html { scroll-behavior: smooth; overflow-y: scroll; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--ink);
  color: var(--fg-1);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.no-scroll { overflow: hidden; }

h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; color: var(--fg-1); }
p { margin: 0; color: var(--fg-2); }
a { color: inherit; text-decoration: none; }
::selection { background: var(--o); color: #fff; }

.mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-3);
  font-weight: 500;
}

/* scroll offset so anchored headings clear the fixed nav */
:target { scroll-margin-top: calc(var(--nav-h) + 28px); }
.doc-content [id] { scroll-margin-top: calc(var(--nav-h) + 28px); }

/* ============================================================
   TOP NAV (shared language with landing)
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 60;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(12,16,21,0.82);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--border-1);
}
.nav .nav-wrap {
  display: flex;
  align-items: center;
  gap: 22px;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding-inline: var(--gutter);
}
.brandmark { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brandmark .brand-logo { height: 22px; width: auto; display: block; }

.nav-search {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: min(40vw, 420px);
  display: flex;
  align-items: center;
  gap: 9px;
  height: 38px;
  padding: 0 12px;
  background: var(--bg-2);
  border: 1px solid var(--border-1);
  border-radius: 10px;
  color: var(--fg-3);
  transition: border-color var(--dur-base) var(--ease-standard);
  cursor: text;
}
.nav-search:hover { border-color: var(--border-active); }
.nav-search svg { flex-shrink: 0; color: var(--fg-3); }
.nav-search input {
  flex: 1; min-width: 0;
  background: transparent; border: 0; outline: none;
  color: var(--fg-1);
  font-family: var(--font-body);
  font-size: 14px;
}
.nav-search input::placeholder { color: var(--fg-3); }
.nav-search .kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  border: 1px solid var(--border-1);
  border-radius: 5px;
  padding: 1px 6px;
}

.nav-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-links a {
  padding: 8px 13px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-2);
  transition: color var(--dur-fast) var(--ease-standard),
              background var(--dur-fast) var(--ease-standard);
}
.nav-links a:hover { color: var(--fg-1); background: rgba(255,255,255,0.05); }
.nav-links a.active {
  color: var(--o);
  background: var(--o-soft);
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  border: 0;
  cursor: pointer;
  border-radius: 10px;
  transition: background var(--dur-fast) var(--ease-standard),
              transform var(--dur-fast) var(--ease-standard),
              box-shadow var(--dur-base) var(--ease-standard);
}
.btn-primary {
  background: var(--o);
  color: #fff;
  padding: 11px 18px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.15) inset, var(--shadow-glow-orange);
}
.btn-primary:hover { background: var(--accent-pressed); color: #fff; }
.btn-primary:active { transform: translateY(0); }
.nav .btn-primary { padding: 9px 16px; font-size: 14px; }

.menu-btn {
  display: none;
  width: 38px; height: 38px;
  align-items: center; justify-content: center;
  background: var(--bg-2);
  border: 1px solid var(--border-1);
  border-radius: 9px;
  color: var(--fg-1);
  cursor: pointer;
}

/* ============================================================
   LAYOUT SHELL
   ============================================================ */
.docs-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr) var(--toc-w);
  max-width: 1440px;
  margin: 0 auto;
  padding-top: var(--nav-h);
}

/* ---------- Left sidebar / guide ---------- */
.sidebar {
  position: sticky;
  top: var(--nav-h);
  align-self: start;
  height: calc(100vh - var(--nav-h));
  overflow-y: auto;
  overscroll-behavior: contain;
  border-right: 1px solid var(--border-1);
  padding: 30px 22px 60px 0;
  padding-left: var(--gutter);
}
.sidebar::-webkit-scrollbar { width: 8px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border-1); border-radius: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }

.sb-group { margin-bottom: 26px; }
.sb-group:last-child { margin-bottom: 0; }
.sb-group > .sb-label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--fg-3);
  margin: 0 0 10px;
  padding-left: 12px;
}
/* Outdent the icon into the gutter so the label text lines up with the item titles below. */
.sb-label .sb-ic { display: inline-flex; flex: none; margin-left: -22px; color: var(--o); }
.sb-label .sb-ic svg { display: block; }
.sb-list { list-style: none; margin: 0; padding: 0; }
.sb-list a {
  display: flex; align-items: center; gap: 8px;
  position: relative;
  padding: 7px 12px;
  margin: 1px 0;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-3);
  line-height: 1.35;
  transition: color var(--dur-fast) var(--ease-standard),
              background var(--dur-fast) var(--ease-standard);
}
.sb-list a:hover { color: var(--fg-1); background: rgba(255,255,255,0.04); }
.sb-list a.active {
  color: var(--fg-1);
  background: var(--o-soft);
}
.sb-list a.active::before {
  content: "";
  position: absolute;
  left: -1px; top: 50%; transform: translateY(-50%);
  width: 3px; height: 16px;
  border-radius: 2px;
  background: var(--o);
}
.sb-list a .badge {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--t);
  background: var(--t-soft);
  padding: 2px 6px;
  border-radius: var(--radius-full);
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.doc-main {
  min-width: 0;
  padding: 38px clamp(28px, 4vw, 64px) 120px;
}
.doc-content { max-width: 760px; }

.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--fg-3);
  margin-bottom: 22px;
}
.breadcrumb a { color: var(--fg-3); transition: color var(--dur-fast); }
.breadcrumb a:hover { color: var(--fg-2); }
.breadcrumb .sep { color: var(--border-1); }
.breadcrumb .section { color: var(--fg-3); }
.breadcrumb .here { color: var(--fg-2); }

.doc-eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--o);
  margin-bottom: 16px;
}
.doc-eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--o); }

.doc-content h1 {
  font-weight: 700;
  font-size: clamp(28px, 3.2vw, 34px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 18px;
}
.doc-lede {
  font-size: clamp(17px, 1.7vw, 20px);
  line-height: 1.55;
  color: var(--doc-fg);
  margin-bottom: 36px;
}

.doc-content h2 {
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 48px 0 16px;
}
.doc-content h3 {
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.01em;
  margin: 36px 0 12px;
}
.doc-content p { font-size: 16px; line-height: 1.65; color: var(--doc-fg); margin-bottom: 18px; }
.doc-content p code,
.doc-content li code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  color: var(--t);
  background: var(--t-soft);
  border: 1px solid var(--border-3);
  border-radius: 5px;
  padding: 1px 6px;
}
.doc-content a.inline {
  color: var(--t);
  transition: color var(--dur-fast);
}
.doc-content a.inline:hover { color: var(--blue-light); }

.doc-content ul, .doc-content ol {
  margin: 0 0 20px;
  padding-left: 22px;
  color: var(--doc-fg);
}
.doc-content li { margin-bottom: 9px; line-height: 1.6; }
.doc-content li::marker { color: var(--o); }

/* heading anchor link */
.h-anchor {
  margin-left: 10px;
  font-size: 0.7em;
  color: var(--fg-3);
  opacity: 0;
  transition: opacity var(--dur-fast);
}
.doc-content h2:hover .h-anchor,
.doc-content h3:hover .h-anchor { opacity: 1; }

/* ---------- step list ---------- */
.steps { list-style: none; margin: 24px 0 28px; padding: 0; counter-reset: step; }
.steps > li {
  position: relative;
  padding: 0 0 26px 52px;
  margin: 0;
  counter-increment: step;
}
.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0; top: -2px;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 14px; font-weight: 600;
  color: var(--o);
  background: var(--o-soft);
  border: 1px solid rgba(249,115,22,0.25);
  border-radius: 50%;
}
.steps > li::after {
  content: "";
  position: absolute;
  left: 15.5px; top: 34px; bottom: 4px;
  width: 1px;
  background: var(--border-1);
}
.steps > li:last-child { padding-bottom: 0; }
.steps > li:last-child::after { display: none; }
.steps .step-title { font-weight: 600; color: var(--fg-1); font-size: 16px; margin-bottom: 6px; }

/* ---------- code block ---------- */
.code {
  position: relative;
  border: 1px solid var(--border-1);
  border-radius: 12px;
  background: var(--bg-2);
  margin: 0 0 22px;
  overflow: hidden;
}
.code-head {
  display: flex; align-items: center; gap: 10px;
  height: 38px;
  padding: 0 12px 0 14px;
  border-bottom: 1px solid var(--border-1);
  background: rgba(10,13,17,0.5);
}
.code-head .fname {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-3);
}
.code-head .lang {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--t);
}
.code-copy {
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border-1);
  border-radius: 7px;
  background: transparent;
  color: var(--fg-3);
  cursor: pointer;
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
}
.code-copy:hover { color: var(--fg-1); border-color: var(--border-active); background: rgba(255,255,255,0.04); }
.code-copy.copied { color: var(--status-success); border-color: rgba(121,195,64,0.4); }
.code pre {
  margin: 0;
  padding: 16px 18px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--fg-2);
}
.code pre::-webkit-scrollbar { height: 8px; }
.code pre::-webkit-scrollbar-thumb { background: var(--border-1); border-radius: 4px; }
.code .tk-prompt { color: var(--o); user-select: none; }
.code .tk-cmd { color: var(--fg-1); }
.code .tk-flag { color: var(--t); }
.code .tk-str { color: #9FD68A; }
.code .tk-com { color: var(--fg-3); font-style: italic; }
.code .tk-key { color: var(--o); }
.code .tk-fn { color: var(--t); }

/* ---------- callouts ---------- */
.callout {
  display: flex; gap: 14px;
  padding: 16px 18px;
  border-radius: 12px;
  border: 1px solid var(--border-1);
  background: var(--bg-2);
  margin: 0 0 24px;
}
.callout .co-ic {
  flex-shrink: 0;
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  color: var(--t);
}
.callout .co-body { font-size: 14.5px; line-height: 1.6; color: var(--fg-2); }
.callout .co-body strong { color: var(--fg-1); font-weight: 600; }
.callout.tip { border-color: rgba(111,188,217,0.3); background: rgba(111,188,217,0.06); }
.callout.tip .co-ic { color: var(--t); }
.callout.warn { border-color: rgba(245,158,11,0.32); background: rgba(245,158,11,0.07); }
.callout.warn .co-ic { color: var(--status-warning); }

/* ---------- spec / param table ---------- */
.spec {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 26px;
  font-size: 14.5px;
}
.spec th, .spec td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-1);
  vertical-align: top;
}
.spec thead th {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
  font-weight: 500;
  border-bottom-color: var(--border-1);
}
.spec td .pname { font-family: var(--font-mono); font-size: 13px; color: var(--o); }
.spec td .ptype { font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); }
.spec td p { margin: 0; font-size: 14px; color: var(--fg-2); }
.spec tbody tr:hover { background: rgba(255,255,255,0.015); }

/* ---------- capability table ---------- */
.spec td strong { color: var(--fg-1); font-weight: 600; }
.spec td .model {
  display: block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--fg-2);
  white-space: nowrap;
}
.spec td .model + .model { margin-top: 5px; }
.spec td .bonus,
.bonus {
  display: inline-block;
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--t);
  background: var(--t-soft);
  border: 1px solid rgba(111,188,217,0.25);
  border-radius: var(--radius-full);
  padding: 2px 7px;
  vertical-align: middle;
}
.spec td .price-alt { margin-top: 3px; font-size: 12.5px; color: var(--fg-3); }
.save {
  display: inline-block;
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--o);
  background: var(--o-soft);
  border: 1px solid rgba(249,115,22,0.25);
  border-radius: var(--radius-full);
  padding: 2px 7px;
  vertical-align: middle;
}

/* ---------- capability matrix (operation × modality) ---------- */
.capmatrix-wrap { overflow-x: auto; margin: 6px 0 28px; }
.capmatrix {
  min-width: 680px;
  width: 100%;
  border-collapse: separate;
  border-spacing: 6px;
}
.capmatrix th {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-3);
  font-weight: 500;
  text-align: left;
  padding: 4px 10px;
}
.capmatrix th.modal { color: var(--fg-1); font-size: 11.5px; }
.capmatrix td {
  width: 23%;
  vertical-align: top;
  padding: 11px 12px;
  background: var(--bg-2);
  border: 1px solid var(--border-1);
  border-radius: 10px;
}
.capmatrix td.rowhdr {
  width: 8%;
  padding-left: 0;
  background: transparent;
  border: none;
  font-weight: 600;
  font-size: 13px;
  color: var(--fg-1);
}
.capmatrix td.rowhdr span {
  display: block;
  margin-top: 3px;
  color: var(--fg-3);
  font-weight: 400;
  font-size: 11px;
  line-height: 1.4;
}
.capmatrix .cap {
  display: block;
  position: relative;
  padding-left: 14px;
  margin-bottom: 6px;
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--fg-2);
}
.capmatrix .cap:last-child { margin-bottom: 0; }
.capmatrix .cap::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: rgba(249,115,22,0.55);
}
.capmatrix .empty { color: var(--fg-3); opacity: 0.5; font-size: 12px; }

/* ---------- outcome compositions ---------- */
.depth {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--t);
}
.depth::after { content: ""; flex: 1; height: 1px; background: var(--border-1); }
.depth .tag {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--fg-3);
}
.outcome-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 18px;
}
.outcome {
  padding: 13px 15px;
  background: var(--bg-2);
  border: 1px solid var(--border-1);
  border-radius: 12px;
}
.outcome .out-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13.5px;
  color: var(--fg-1);
  margin-bottom: 5px;
}
.outcome .chain {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  color: var(--fg-3);
  overflow-wrap: break-word;
}
.outcome .chain b { color: var(--t); font-weight: 500; }
.outcome .chain .arrow { color: var(--o); padding: 0 3px; }
/* let a chain of single-word steps wrap after each connector */
.outcome .chain .arrow::after { content: "\200B"; }

/* ---------- download button ---------- */
.download {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin: 6px 0 10px;
}
.download .btn-primary { padding: 12px 20px; }

/* ---------- auth provider options (illustrative) ---------- */
.auth-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 340px;
  margin: 8px 0 24px;
}
.auth-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 16px;
  border: 1px solid var(--border-1);
  border-radius: 10px;
  background: var(--bg-2);
  color: var(--fg-1);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
}
.auth-btn svg { flex-shrink: 0; }
.download-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--fg-3);
}

/* ---------- figure / screenshot placeholder ---------- */
.doc-figure { margin: 6px 0 28px; }
.doc-figure video, .doc-figure img {
  display: block;
  width: 100%;
  border: 1px solid var(--border-1);
  border-radius: 12px;
}
.doc-figure-ph {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 200px;
  padding: 32px 28px;
  border: 1px dashed var(--border-1);
  border-radius: 12px;
  background: var(--bg-2);
  text-align: center;
}
.doc-figure-ph svg { color: var(--fg-3); opacity: 0.55; }
.doc-figure-ph .fig-hint {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--o);
}
.doc-figure-ph .fig-desc { font-size: 13.5px; color: var(--fg-2); max-width: 440px; line-height: 1.5; }
.doc-figure figcaption { margin-top: 10px; font-size: 13px; color: var(--fg-3); line-height: 1.5; }
/* small, left-aligned capture for focused UI areas */
.doc-figure.sm { max-width: 440px; }
.doc-figure.xs { max-width: 300px; }
.doc-figure.sm .doc-figure-ph { min-height: 130px; padding: 22px 20px; }

/* ---------- generating glyphs (in-flight media) ---------- */
.glyph-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 8px 0 24px;
}
.glyph-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  width: 96px;
  padding: 16px 10px;
  border: 1px solid var(--border-1);
  border-radius: 12px;
  background: var(--bg-2);
}
.glyph-item svg { width: 30px; height: 30px; color: var(--fg-2); }
.glyph-item span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--fg-3);
  text-align: center;
}

/* ---------- chat transcript sample ---------- */
.chat-sample {
  border: 1px solid var(--border-1);
  border-radius: 14px;
  background: var(--bg-1);
  overflow: hidden;
  margin: 6px 0 16px;
}
.cs-head {
  display: flex;
  align-items: center;
  gap: 9px;
  height: 38px;
  padding: 0 14px;
  border-bottom: 1px solid var(--border-1);
  background: rgba(10,13,17,0.5);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.cs-head .cs-model { margin-left: auto; color: var(--t); }
.cs-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px 18px;
}
.cs-msg { font-size: 14.5px; line-height: 1.62; max-width: 88%; }
.cs-user {
  align-self: flex-end;
  background: var(--accent-soft);
  border: 1px solid rgba(249,115,22,0.28);
  color: var(--fg-1);
  padding: 11px 15px;
  border-radius: 13px 13px 4px 13px;
}
.cs-robot { align-self: flex-start; color: var(--fg-2); }
.cs-robot strong, .cs-user strong { color: var(--fg-1); font-weight: 600; }
.cs-msg code {
  font-family: var(--font-mono);
  font-size: 0.84em;
  color: var(--fg-2);
  background: rgba(255,255,255,0.05);
  border-radius: 4px;
  padding: 1px 5px;
}
.cs-file, .cs-id {
  font-family: var(--font-mono);
  font-size: 0.84em;
  border-radius: 5px;
  padding: 1px 6px;
}
.cs-file { color: var(--t); background: var(--t-soft); border: 1px solid var(--border-3); }
.cs-id { color: var(--o); background: var(--o-soft); border: 1px solid rgba(249,115,22,0.2); }

/* tool-call rows inside the transcript */
.cs-tools {
  align-self: stretch;
  border: 1px solid var(--border-1);
  border-radius: 10px;
  overflow: hidden;
  background: rgba(255,255,255,0.015);
}
.cs-tool {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 13px;
  font-size: 13px;
}
.cs-tool + .cs-tool { border-top: 1px solid var(--border-1); }
.cs-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.cs-dot.done { background: var(--status-success); }
.cs-dot.run { background: var(--o); }
.cs-verb { color: var(--fg-1); font-weight: 500; }
.cs-subject { color: var(--fg-3); font-family: var(--font-mono); font-size: 12px; }
.cs-tmeta {
  margin-left: auto;
  color: var(--fg-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

/* approval card inside the transcript */
.cs-approval {
  align-self: stretch;
  border: 1px solid rgba(249,115,22,0.3);
  background: rgba(249,115,22,0.06);
  border-radius: 12px;
  padding: 14px 16px;
}
.cs-approval-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 14px;
  color: var(--fg-1);
  margin-bottom: 12px;
}
.cs-approval-title svg { color: var(--o); }
.cs-spec {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 5px 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  margin-bottom: 13px;
}
.cs-spec dt { color: var(--fg-3); }
.cs-spec dd { margin: 0; color: var(--fg-2); }
.cs-spec dd.cs-cost { color: var(--o); }
.cs-approval-actions { display: flex; gap: 8px; }
.cs-btn {
  font-size: 12.5px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-1);
}
.cs-btn.deny { color: var(--fg-3); background: transparent; }
.cs-btn.approve { color: #fff; background: var(--o); border-color: var(--o); }

/* ---------- page footer nav ---------- */
.page-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--border-1);
}
.page-nav a {
  display: flex; flex-direction: column; gap: 5px;
  padding: 16px 18px;
  border: 1px solid var(--border-1);
  border-radius: 12px;
  background: var(--bg-2);
  transition: border-color var(--dur-base);
}
.page-nav a:hover { border-color: var(--border-active); }
.page-nav a.next { text-align: right; grid-column: 2; }
.page-nav .pn-dir {
  font-family: var(--font-mono);
  font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--fg-3);
  display: flex; align-items: center; gap: 6px;
}
.page-nav a.next .pn-dir { justify-content: flex-end; }
.page-nav .pn-title { font-family: var(--font-display); font-weight: 600; font-size: 16px; color: var(--fg-1); }
.page-nav a:hover .pn-title { color: var(--o); }

/* ============================================================
   RIGHT TOC — "On this page"
   ============================================================ */
.toc {
  position: sticky;
  top: var(--nav-h);
  align-self: start;
  height: calc(100vh - var(--nav-h));
  overflow-y: auto;
  padding: 40px var(--gutter) 60px 8px;
}
.toc .toc-label {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 14px;
}
.toc ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--border-1); }
.toc li a {
  display: block;
  padding: 11px 0 11px 16px;
  margin-left: -1px;
  border-left: 2px solid transparent;
  font-size: 13px;
  line-height: 1.4;
  color: var(--fg-3);
  transition: color var(--dur-fast), border-color var(--dur-fast);
}
.toc li a:hover { color: var(--fg-1); }
.toc li a.sub { padding-left: 28px; font-size: 12.5px; }
.toc li a.active { color: var(--o); border-left-color: var(--o); }

/* ============================================================
   MOBILE
   ============================================================ */
.sidebar-scrim {
  display: none;
  position: fixed; inset: var(--nav-h) 0 0 0;
  background: rgba(0,0,0,0.55);
  z-index: 40;
}

@media (max-width: 1140px) {
  .docs-shell { grid-template-columns: var(--sidebar-w) minmax(0, 1fr); }
  .toc { display: none; }
}
@media (max-width: 1000px) {
  .nav-links { display: none; }
  .nav-search { width: min(48vw, 420px); }
}
@media (max-width: 860px) {
  .nav-search { display: none; }
  .menu-btn { display: flex; }
  .docs-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    top: var(--nav-h); bottom: 0; left: 0;
    width: min(86vw, 320px);
    z-index: 50;
    background: var(--ink);
    border-right: 1px solid var(--border-1);
    padding-left: var(--gutter);
    transform: translateX(-102%);
    transition: transform var(--dur-slow) var(--ease-out);
  }
  body.sidebar-open .sidebar { transform: translateX(0); }
  body.sidebar-open .sidebar-scrim { display: block; }
  .doc-main { padding-top: 28px; }
}
@media (max-width: 560px) {
  .nav-links a:not(.active) { display: none; }
  .doc-main { padding-inline: 22px; }
  .page-nav { grid-template-columns: 1fr; }
  .cs-spec { grid-template-columns: 1fr; gap: 2px 0; }
  .outcome-grid { grid-template-columns: 1fr; }
  .page-nav a.next { grid-column: 1; }
}