/* =========================================================
   Coraza Node · docs
   Design system:
   - Inter (sans) + JetBrains Mono (mono)
   - Neutral cool palette with a single teal accent
   - Honors system theme; override via [data-theme]
   ========================================================= */

:root {
  /* tokens — light defaults */
  --accent-h: 172;        /* teal */
  --accent: oklch(70% 0.12 var(--accent-h));
  --accent-strong: oklch(60% 0.13 var(--accent-h));
  --accent-soft: oklch(96% 0.03 var(--accent-h));
  --accent-ring: oklch(70% 0.12 var(--accent-h) / .35);

  --bg: #fdfdfc;
  --bg-elev: #ffffff;
  --bg-sub: #f7f7f5;
  --bg-code: #0f1115;
  --surface: #ffffff;

  --fg: #0f1115;
  --fg-strong: #04060a;
  --fg-dim: #51555d;
  --fg-muted: #8a8f98;
  --fg-faint: #b8bcc4;

  --border: oklch(92% 0.004 260);
  --border-strong: oklch(86% 0.006 260);
  --border-soft: oklch(95% 0.003 260);

  --shadow-sm: 0 1px 2px rgba(15,17,21,.04), 0 1px 1px rgba(15,17,21,.03);
  --shadow-md: 0 4px 12px rgba(15,17,21,.06), 0 1px 2px rgba(15,17,21,.04);
  --shadow-lg: 0 18px 44px rgba(15,17,21,.14), 0 4px 14px rgba(15,17,21,.08);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;

  --side-w: 272px;
  --toc-w: 224px;
  --topbar-h: 56px;

  --row-gap: 32px;
}

[data-theme="dark"],
[data-theme="auto"] {
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root[data-theme="auto"] { --apply-dark: 1; }
}
[data-theme="dark"] { --apply-dark: 1; }

:root:where([data-theme="dark"]),
:root:where([data-theme="auto"]) {
  /* will be overridden below by the dark block via @media if auto */
}

/* Dark theme overrides */
[data-theme="dark"],
[data-theme="auto"]:where(.__dark) {
  --bg: #0b0c0e;
  --bg-elev: #111317;
  --bg-sub: #0f1114;
  --bg-code: #0a0b0d;
  --surface: #111317;

  --fg: #e7e9ec;
  --fg-strong: #ffffff;
  --fg-dim: #a3a8b2;
  --fg-muted: #7d828c;
  --fg-faint: #4a4f58;

  --border: oklch(22% 0.005 260);
  --border-strong: oklch(28% 0.006 260);
  --border-soft: oklch(18% 0.004 260);

  --accent: oklch(74% 0.13 var(--accent-h));
  --accent-strong: oklch(82% 0.14 var(--accent-h));
  --accent-soft: oklch(22% 0.04 var(--accent-h));
  --accent-ring: oklch(74% 0.13 var(--accent-h) / .35);

  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow-md: 0 6px 16px rgba(0,0,0,.4);
  --shadow-lg: 0 22px 54px rgba(0,0,0,.55);
}
@media (prefers-color-scheme: dark) {
  [data-theme="auto"] {
    --bg: #0b0c0e;
    --bg-elev: #111317;
    --bg-sub: #0f1114;
    --bg-code: #0a0b0d;
    --surface: #111317;
    --fg: #e7e9ec;
    --fg-strong: #ffffff;
    --fg-dim: #a3a8b2;
    --fg-muted: #7d828c;
    --fg-faint: #4a4f58;
    --border: oklch(22% 0.005 260);
    --border-strong: oklch(28% 0.006 260);
    --border-soft: oklch(18% 0.004 260);
    --accent: oklch(74% 0.13 var(--accent-h));
    --accent-strong: oklch(82% 0.14 var(--accent-h));
    --accent-soft: oklch(22% 0.04 var(--accent-h));
    --accent-ring: oklch(74% 0.13 var(--accent-h) / .35);
    --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
    --shadow-md: 0 6px 16px rgba(0,0,0,.4);
    --shadow-lg: 0 22px 54px rgba(0,0,0,.55);
  }
}

/* density */
[data-density="compact"] { --row-gap: 22px; }

/* font modes */
[data-font="mono"] h1, [data-font="mono"] h2, [data-font="mono"] h3, [data-font="mono"] h4 {
  font-family: var(--font-mono);
  letter-spacing: -0.01em;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'ss01', 'cv11';
}

/* adapter accent dots — unique hues per framework */
[data-adapter="node"]     { --adapter-color: oklch(72% 0.16 145); }
[data-adapter="express"]  { --adapter-color: oklch(70% 0.15 55); }
[data-adapter="fastify"]  { --adapter-color: oklch(70% 0.14 20); }
[data-adapter="next"]     { --adapter-color: oklch(65% 0.015 260); }
[data-adapter="nestjs"]   { --adapter-color: oklch(66% 0.20 18); }

a { color: inherit; text-decoration: none; }

code {
  font-family: var(--font-mono);
  font-size: .9em;
  font-variant-ligatures: none;
}
p code, li code, td code, h3 code, h4 code {
  background: var(--bg-sub);
  padding: .12em .4em;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  font-size: .88em;
  color: var(--fg-strong);
}

kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--bg-sub);
  color: var(--fg-dim);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 1px 5px;
  line-height: 1;
}

/* =============== TOPBAR =============== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--topbar-h);
  background: color-mix(in oklab, var(--bg), transparent 20%);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 1400px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--fg-strong);
  letter-spacing: -0.01em;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.brand-dim { color: var(--fg-muted); font-weight: 500; }
.brand-ver {
  margin-left: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 999px;
  background: var(--bg-sub);
  color: var(--fg-dim);
  border: 1px solid var(--border);
}
.topnav {
  display: flex;
  gap: 24px;
  justify-content: center;
}
.topnav-link {
  font-size: 14px;
  color: var(--fg-dim);
  transition: color .15s;
}
.topnav-link:hover { color: var(--fg-strong); }

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 34px;
  padding: 0 10px 0 12px;
  background: var(--bg-sub);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: 13px;
  color: var(--fg-muted);
  cursor: pointer;
  min-width: 240px;
  transition: border-color .15s, color .15s;
}
.search-trigger:hover { color: var(--fg-dim); border-color: var(--border-strong); }
.search-trigger span { flex: 1; text-align: left; }
.search-trigger kbd { margin-left: auto; }

.icon-btn {
  width: 34px; height: 34px;
  border: 1px solid var(--border);
  background: var(--bg-sub);
  border-radius: var(--r-md);
  display: grid; place-items: center;
  color: var(--fg-dim);
  cursor: pointer;
  transition: color .15s, border-color .15s;
}
.icon-btn:hover { color: var(--fg-strong); border-color: var(--border-strong); }

.icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: inline-block; }
@media (prefers-color-scheme: dark) {
  [data-theme="auto"] .icon-sun { display: none; }
  [data-theme="auto"] .icon-moon { display: inline-block; }
}

/* =============== LAYOUT SHELL =============== */
.shell {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: var(--side-w) minmax(0, 1fr);
  gap: 56px;
  padding: 0 24px;
}

.sidebar {
  position: sticky;
  top: var(--topbar-h);
  align-self: start;
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: 28px 0 40px;
  scrollbar-width: thin;
}
.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.sidebar-inner { display: flex; flex-direction: column; gap: 22px; }
.side-section { display: flex; flex-direction: column; gap: 2px; }
.side-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--fg-muted);
  margin: 0 0 6px 10px;
}
.side-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--fg-dim);
  padding: 6px 10px;
  border-radius: var(--r-sm);
  line-height: 1.3;
  transition: background .12s, color .12s;
  position: relative;
}
.side-link:hover { color: var(--fg-strong); background: var(--bg-sub); }
.side-link.is-active {
  color: var(--fg-strong);
  background: var(--bg-sub);
  font-weight: 500;
}
.side-link.is-active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px; bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: var(--accent);
}
.side-sub { padding-left: 22px; font-size: 13px; }
.side-sub::before { display: none; }

.side-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--adapter-color, var(--accent));
  display: inline-block;
  flex-shrink: 0;
}

.side-footer {
  margin-top: 8px;
  padding: 14px 10px;
  border-top: 1px dashed var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.side-kbd-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--fg-muted);
}
.side-kbd-row span { margin-left: auto; }

/* =============== MAIN =============== */
.main {
  min-width: 0;
  padding: 40px 0 80px;
}
.main > section + section { margin-top: var(--row-gap); }

.h1 {
  font-size: clamp(32px, 4.2vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin: 0 0 16px;
  color: var(--fg-strong);
  text-wrap: pretty;
}
.h2 {
  font-size: 24px;
  line-height: 1.25;
  letter-spacing: -0.015em;
  font-weight: 600;
  margin: 0 0 12px;
  color: var(--fg-strong);
  scroll-margin-top: calc(var(--topbar-h) + 16px);
}
.h3 {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.005em;
  margin: 0;
  color: var(--fg-strong);
  scroll-margin-top: calc(var(--topbar-h) + 16px);
}
.h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--fg-muted);
  margin: 20px 0 8px;
}

.crumbs {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 12px;
  color: var(--fg-muted);
  margin-bottom: 14px;
  font-family: var(--font-mono);
}
.crumb-sep { opacity: .5; }

/* HERO */
.hero { padding-top: 16px; }
.lede {
  font-size: 18px;
  line-height: 1.6;
  color: var(--fg-dim);
  max-width: 70ch;
  margin: 0 0 24px;
  text-wrap: pretty;
}
.lede-accent {
  color: var(--fg-strong);
  font-weight: 500;
  background: linear-gradient(transparent 62%, color-mix(in oklab, var(--accent) 30%, transparent) 62%);
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-elev);
  color: var(--fg-dim);
  font-family: var(--font-mono);
}
.pill code {
  background: transparent;
  border: 0;
  padding: 0;
  color: var(--fg-strong);
  font-size: 12px;
}
.pill-k {
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: 10px;
  font-weight: 600;
}
.pill-ok {
  color: var(--accent-strong);
  border-color: color-mix(in oklab, var(--accent) 30%, var(--border));
}
.pill-ok .pill-k { color: color-mix(in oklab, var(--accent-strong), var(--fg-muted) 30%); }

.hero-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 8px;
}
.hero-card {
  padding: 16px 16px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--bg-elev);
  transition: border-color .15s, transform .15s;
}
.hero-card:hover { border-color: var(--border-strong); }
.hero-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  color: var(--fg-strong);
  font-weight: 600;
  font-size: 14px;
}
.hero-card-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-muted);
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-sub);
}
.hero-card p { margin: 0; font-size: 13.5px; color: var(--fg-dim); line-height: 1.55; }

/* flow diagram */
.flow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0;
  overflow-x: auto;
  padding: 4px;
}
.flow-node {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-elev);
  min-width: 128px;
  flex-shrink: 0;
}
.flow-node-accent {
  border-color: color-mix(in oklab, var(--accent) 40%, var(--border));
  background: color-mix(in oklab, var(--accent-soft), var(--bg-elev));
}
.flow-kicker {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  color: var(--fg-muted);
  letter-spacing: .08em;
  margin-bottom: 4px;
}
.flow-title { font-size: 13px; font-weight: 600; color: var(--fg-strong); }
.flow-arrow { color: var(--fg-faint); font-family: var(--font-mono); font-size: 16px; }

/* callout */
.callout {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--accent-soft);
  font-size: 14px;
  color: var(--fg);
  align-items: flex-start;
  margin-top: 16px;
}
.callout-dim { background: var(--bg-sub); }
.callout-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 3px 7px;
  border-radius: 4px;
  background: var(--bg-elev);
  color: var(--accent-strong);
  border: 1px solid color-mix(in oklab, var(--accent) 20%, var(--border));
  flex-shrink: 0;
  line-height: 1.2;
}
.callout-dim .callout-badge { color: var(--fg-dim); border-color: var(--border); }

/* =============== TABS =============== */
.tabs {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin: 16px 0 0;
  background: var(--bg-elev);
}
.tab-list {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-sub);
  padding: 0 6px;
  overflow-x: auto;
  scrollbar-width: none;
}
.tab-list::-webkit-scrollbar { display: none; }
.tab {
  border: 0;
  background: transparent;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--fg-dim);
  font-family: var(--font-sans);
  cursor: pointer;
  position: relative;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  transition: color .15s;
}
.tab:hover { color: var(--fg-strong); }
.tab[aria-selected="true"] {
  color: var(--fg-strong);
}
.tab[aria-selected="true"]::after {
  content: '';
  position: absolute;
  left: 10px; right: 10px;
  bottom: -1px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px 2px 0 0;
}
.tab-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--adapter-color, var(--accent));
}
.tab[data-tab="node"] { --adapter-color: oklch(72% 0.16 145); }
.tab[data-tab="express"] { --adapter-color: oklch(70% 0.15 55); }
.tab[data-tab="fastify"] { --adapter-color: oklch(70% 0.14 20); }
.tab[data-tab="next"] { --adapter-color: oklch(65% 0.015 260); }
.tab[data-tab="nestjs"] { --adapter-color: oklch(66% 0.20 18); }
.tab-panel { padding: 0; }
.tab-panel[hidden] { display: none; }

/* =============== CODE BLOCKS =============== */
pre.code {
  margin: 0;
  padding: 16px 20px 16px 20px;
  background: var(--bg-code);
  color: #e4e7ec;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  overflow-x: auto;
  border-radius: 0;
  position: relative;
  scrollbar-width: thin;
}
pre.code::-webkit-scrollbar { height: 6px; }
pre.code::-webkit-scrollbar-thumb { background: #2a2d33; border-radius: 3px; }

.tab-panel pre.code { border-radius: 0 0 var(--r-lg) var(--r-lg); }

.doc-section pre.code:not(.tab-panel pre.code),
.api-item pre.code:not(.tab-panel pre.code),
.recipe pre.code {
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  margin: 10px 0;
}

/* syntax tokens */
.c-k { color: #c59cff; }         /* keyword */
.c-s { color: #7dd3a0; }         /* string */
.c-f { color: #7cc4ff; }         /* function */
.c-n { color: #ffa07a; }         /* number */
.c-c { color: #6a7280; font-style: italic; } /* comment */

/* copy button */
.code-wrap { position: relative; }
.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  height: 26px;
  padding: 0 10px;
  background: rgba(255,255,255,.08);
  color: #cfd2d8;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  cursor: pointer;
  opacity: 0;
  transition: opacity .15s, background .15s;
  z-index: 2;
}
.code-wrap:hover .copy-btn { opacity: 1; }
.copy-btn:hover { background: rgba(255,255,255,.14); }
.copy-btn.is-copied { color: var(--accent-strong); border-color: var(--accent-strong); }

/* =============== API REFERENCE =============== */
.api-head {
  padding-bottom: 14px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.api-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--accent-strong);
  margin-bottom: 6px;
  padding: 3px 8px;
  background: var(--accent-soft);
  border-radius: 4px;
  border: 1px solid color-mix(in oklab, var(--accent) 20%, var(--border));
}
.api-sub { margin: 6px 0 0; color: var(--fg-dim); }

.api-item {
  padding: 20px 0 24px;
  border-bottom: 1px solid var(--border);
}
.api-item:last-child { border-bottom: 0; }
.api-item-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.api-item-head .h3 code {
  background: var(--bg-sub);
  padding: 3px 8px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  font-size: 15px;
  color: var(--fg-strong);
  font-weight: 600;
}
.api-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 4px;
  background: var(--bg-sub);
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: .06em;
  border: 1px solid var(--border);
  line-height: 1.3;
}
.api-tag-async {
  color: var(--accent-strong);
  background: var(--accent-soft);
  border-color: color-mix(in oklab, var(--accent) 25%, var(--border));
}

/* collapsible signature */
.sig {
  margin: 10px 0 0;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--bg-code);
}
.sig > summary {
  list-style: none;
  cursor: pointer;
  padding: 8px 14px;
  background: var(--bg-sub);
  color: var(--fg-dim);
  font-size: 11px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
  border-bottom: 1px solid var(--border);
}
.sig > summary::-webkit-details-marker { display: none; }
.sig > summary::before {
  content: '▸';
  font-size: 9px;
  transition: transform .15s;
  color: var(--fg-muted);
}
.sig[open] > summary::before { transform: rotate(90deg); }
.sig pre.code { border: 0; border-radius: 0; margin: 0; }

/* =============== ADAPTER SECTIONS =============== */
.adapter-section {
  padding: 28px 0 0;
  border-top: 1px solid var(--border);
  position: relative;
}
.adapter-section::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--adapter-color, var(--accent));
}
.adapter-head { padding-bottom: 14px; margin-bottom: 16px; border-bottom: 1px dashed var(--border); }
.adapter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--fg-muted);
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  margin-bottom: 10px;
}
.adapter-chip::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--adapter-color, var(--accent));
}
.adapter-head .h2 code {
  font-size: .7em;
  font-weight: 500;
  color: var(--fg-dim);
  background: var(--bg-sub);
  padding: 3px 8px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  margin-left: 8px;
  vertical-align: middle;
}
.adapter-sub { margin: 0; color: var(--fg-dim); }

/* presets grid */
.preset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
  margin-top: 12px;
}
.preset {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-elev);
  transition: border-color .15s;
}
.preset:hover { border-color: var(--border-strong); }
.preset-name { margin-bottom: 4px; }
.preset-name code {
  background: transparent;
  border: 0;
  padding: 0;
  color: var(--fg-strong);
  font-weight: 600;
  font-size: 13.5px;
}
.preset-desc { font-size: 13px; color: var(--fg-dim); line-height: 1.5; }

/* recipes */
.recipe {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.recipe:last-child { border-bottom: 0; }
.recipe p { color: var(--fg-dim); margin: 8px 0 12px; }

/* error table */
.err-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 13.5px;
}
.err-table th, .err-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.err-table th {
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--fg-muted);
  background: var(--bg-sub);
  border-bottom: 1px solid var(--border-strong);
}
.err-table tbody tr:hover { background: var(--bg-sub); }

/* perf grid */
.perf-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 16px 0;
}
.perf-card {
  padding: 18px 16px 16px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-elev);
}
.perf-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--fg-strong);
  letter-spacing: -0.02em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.perf-unit {
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-muted);
  margin-left: 3px;
}
.perf-label {
  font-size: 12px;
  color: var(--fg-dim);
  margin-top: 6px;
  font-family: var(--font-mono);
}

/* doc footer */
.doc-footer {
  margin-top: 60px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.foot-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
}
.foot-title {
  font-weight: 600;
  color: var(--fg-strong);
  font-family: var(--font-mono);
  font-size: 13px;
}
.foot-sub { font-size: 12px; color: var(--fg-muted); margin-top: 2px; }
.foot-links { display: flex; gap: 18px; font-size: 13px; color: var(--fg-dim); }
.foot-links a:hover { color: var(--fg-strong); }

/* =============== TOC =============== */
.toc {
  position: sticky;
  top: var(--topbar-h);
  align-self: start;
  padding: 40px 0 40px;
  max-height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  font-size: 13px;
  scrollbar-width: thin;
}
.toc-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--fg-muted);
  margin-bottom: 10px;
  padding-left: 12px;
}
#tocNav {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 1px solid var(--border);
}
.toc-link {
  display: block;
  padding: 4px 12px;
  color: var(--fg-muted);
  font-size: 12.5px;
  line-height: 1.45;
  transition: color .12s;
  border-left: 2px solid transparent;
  margin-left: -1px;
}
.toc-link:hover { color: var(--fg-dim); }
.toc-link.is-active {
  color: var(--fg-strong);
  border-left-color: var(--accent);
  font-weight: 500;
}
.toc-link.is-sub { padding-left: 24px; font-size: 12px; }

.toc-meta {
  margin-top: 18px;
  padding: 12px;
  border-top: 1px dashed var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.toc-meta-row {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--fg-muted);
  font-family: var(--font-mono);
}
.toc-meta-row code {
  background: transparent;
  border: 0;
  padding: 0;
  font-size: 11px;
  color: var(--fg-dim);
}

/* =============== CMD+K =============== */
.cmdk[hidden] { display: none !important; }
.cmdk {
  position: fixed; inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 10vh 16px;
  align-items: start;
  justify-items: center;
  grid-template-rows: minmax(0, auto);
}
.cmdk-backdrop {
  position: absolute; inset: 0;
  background: rgba(8,10,14,.55);
  backdrop-filter: blur(4px);
}
.cmdk-panel {
  position: relative;
  width: min(620px, calc(100vw - 32px));
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: cmdkIn .18s ease-out;
}
@keyframes cmdkIn {
  from { transform: translateY(-8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.cmdk-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--fg-muted);
}
#cmdkInput {
  flex: 1;
  border: 0;
  background: transparent;
  font-size: 15px;
  font-family: var(--font-sans);
  color: var(--fg-strong);
  outline: none;
  padding: 0;
}
#cmdkInput::placeholder { color: var(--fg-muted); }
.cmdk-results {
  max-height: 52vh;
  overflow-y: auto;
  padding: 6px;
}
.cmdk-group-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--fg-muted);
  padding: 10px 10px 6px;
  font-family: var(--font-mono);
}
.cmdk-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  cursor: pointer;
  font-size: 13.5px;
  color: var(--fg);
}
.cmdk-item:hover, .cmdk-item.is-active { background: var(--bg-sub); }
.cmdk-item.is-active { color: var(--fg-strong); }
.cmdk-item-kind {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-muted);
  padding: 2px 6px;
  background: var(--bg-sub);
  border-radius: 4px;
  border: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.cmdk-item.is-active .cmdk-item-kind { background: var(--bg-elev); }
.cmdk-item-title { flex: 1; }
.cmdk-item-title mark {
  background: color-mix(in oklab, var(--accent) 30%, transparent);
  color: var(--fg-strong);
  padding: 0 2px;
  border-radius: 2px;
}
.cmdk-empty {
  padding: 30px 20px;
  text-align: center;
  color: var(--fg-muted);
  font-size: 13px;
}
.cmdk-footer {
  display: flex;
  gap: 14px;
  padding: 8px 14px;
  border-top: 1px solid var(--border);
  background: var(--bg-sub);
  font-size: 11px;
  color: var(--fg-muted);
}
.cmdk-footer span { display: inline-flex; align-items: center; gap: 4px; }

/* =============== TWEAKS =============== */
.tweaks {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 280px;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  z-index: 50;
  overflow: hidden;
  animation: cmdkIn .2s ease-out;
}
.tweaks-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--fg-muted);
  background: var(--bg-sub);
  border-bottom: 1px solid var(--border);
}
.tweaks-close {
  border: 0;
  background: transparent;
  font-size: 18px;
  color: var(--fg-muted);
  cursor: pointer;
  line-height: 1;
  padding: 0;
}
.tweaks-body { padding: 14px; display: flex; flex-direction: column; gap: 14px; }
.tweak-row { display: flex; flex-direction: column; gap: 6px; }
.tweak-row > label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--fg-muted);
}
.swatches { display: flex; gap: 6px; }
.swatch {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  padding: 0;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.1);
}
.swatch.is-on { border-color: var(--fg-strong); }
.segmented {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--bg-sub);
}
.segmented button {
  border: 0;
  background: transparent;
  padding: 6px 10px;
  font-size: 12px;
  color: var(--fg-dim);
  cursor: pointer;
  font-family: var(--font-sans);
  flex: 1;
}
.segmented button.is-on {
  background: var(--bg-elev);
  color: var(--fg-strong);
  box-shadow: var(--shadow-sm);
}

/* =============== INSTALLER =============== */
.installer {
  margin-top: 16px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bg-code);
  box-shadow: var(--shadow-md);
}
.installer-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  background: linear-gradient(180deg, #1a1d22 0%, #15181d 100%);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.installer-dots { display: inline-flex; gap: 6px; }
.installer-dots i {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #3a3d42;
  display: inline-block;
}
.installer-dots i:nth-child(1) { background: #ff5f57; }
.installer-dots i:nth-child(2) { background: #febc2e; }
.installer-dots i:nth-child(3) { background: #28c840; }
.installer-title {
  flex: 1;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #7a7e86;
  letter-spacing: .02em;
}
.installer-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  color: #b3b8c0;
  padding: 4px 8px;
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  cursor: pointer;
  transition: background .12s, color .12s;
}
.installer-copy-btn:hover { color: #e4e7ec; background: rgba(255,255,255,.09); }
.installer-copy-btn.is-copied { color: var(--accent-strong); border-color: color-mix(in oklab, var(--accent) 40%, transparent); }

.installer-frameworks {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  padding: 10px;
  background: #0e1116;
  border-bottom: 1px solid rgba(255,255,255,.04);
}
.fw-card {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid transparent;
  background: transparent;
  border-radius: var(--r-md);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  color: #7a7e86;
  transition: color .15s, background .15s, border-color .15s;
  min-width: 0;
  text-align: left;
}
.fw-card:hover {
  color: #cfd2d8;
  background: rgba(255,255,255,.03);
}
.fw-card.is-on {
  color: #fff;
  background: color-mix(in oklab, var(--accent) 18%, #141820);
  border-color: color-mix(in oklab, var(--accent) 45%, transparent);
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--accent) 25%, transparent) inset;
}
.fw-card span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.fw-logo {
  color: currentColor;
  opacity: .95;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
}
.fw-card.is-on .fw-logo { color: var(--accent-strong); }

.installer-terminal {
  padding: 0 14px 16px;
  background: var(--bg-code);
}
.installer-multi {
  margin: 14px 0 0;
  padding: 12px 14px;
  background: rgba(0,0,0,.25);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--r-md);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: #e4e7ec;
  overflow-x: auto;
  white-space: pre;
}
.installer-multi code { font: inherit; color: inherit; }
.installer-pm {
  display: inline-flex;
  padding: 3px;
  background: rgba(255,255,255,.04);
  border-radius: 6px;
  margin: 14px 0 12px;
  border: 1px solid rgba(255,255,255,.05);
}
.pm-tab {
  border: 0;
  background: transparent;
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #7a7e86;
  cursor: pointer;
  border-radius: 4px;
  transition: color .12s, background .12s;
}
.pm-tab:hover { color: #cfd2d8; }
.pm-tab.is-on {
  background: color-mix(in oklab, var(--accent) 25%, #1b1f26);
  color: #fff;
  box-shadow: 0 1px 2px rgba(0,0,0,.3);
}
.installer-cmdline {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  color: #e4e7ec;
  flex-wrap: wrap;
}
.installer-prompt { color: var(--accent-strong); font-weight: 600; }
.installer-cmd-prefix { color: #c59cff; font-weight: 500; }
.installer-cmd-pkg { color: #7dd3a0; font-weight: 500; }
.installer-cmd-dim { color: #6a7280; }
.installer-caret {
  display: inline-block;
  width: 7px;
  height: 16px;
  background: var(--accent-strong);
  margin-left: 2px;
  animation: blink 1.1s steps(2, start) infinite;
  vertical-align: middle;
}
@keyframes blink { 50% { opacity: 0; } }

/* =============== LIFECYCLE DIAGRAM =============== */
.lifecycle {
  margin: 18px 0 6px;
  padding: 16px 16px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 0% 0%, color-mix(in oklab, var(--accent) 8%, transparent), transparent 40%),
    var(--bg-elev);
  position: relative;
  overflow: hidden;
}
.lc-grid {
  display: grid;
  grid-template-columns: auto auto 1fr auto 1fr auto auto;
  align-items: stretch;
  gap: 0 10px;
}
.lc-cell {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-elev);
  min-width: 0;
  position: relative;
}
.lc-k {
  font-family: var(--font-mono);
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--fg-muted);
  font-weight: 600;
  line-height: 1;
  margin-bottom: 6px;
}
.lc-v {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-strong);
  line-height: 1.2;
}
.lc-sub {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--fg-muted);
  margin-top: 4px;
  letter-spacing: -0.01em;
}
.lc-arrow {
  display: grid;
  place-items: center;
  color: var(--fg-faint);
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 0 2px;
}
.lc-cell-ingress { background: var(--bg-sub); }
.lc-cell-adapter { border-color: color-mix(in oklab, var(--accent) 20%, var(--border)); }
.lc-cell-engine {
  border-color: color-mix(in oklab, var(--accent) 45%, var(--border));
  background: color-mix(in oklab, var(--accent-soft), var(--bg-elev) 50%);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 8%, transparent);
}
.lc-cell-verdict .lc-v-split {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
}
.lc-pass { color: var(--accent-strong); }
.lc-block { color: oklch(62% 0.18 25); }
.lc-sep { color: var(--fg-faint); font-weight: 400; }

.lc-tap-row {
  display: flex;
  align-items: flex-end;
  gap: 0;
  margin-top: 0;
  padding-top: 0;
  padding-left: 28%;
  position: relative;
}
.lc-tap-branch {
  width: 28px;
  height: 36px;
  color: var(--fg-faint);
  flex: 0 0 28px;
  margin-bottom: 12px;
  margin-right: -1px;
}
.lc-tap-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-sub);
  font-size: 11.5px;
}
.lc-tap-pill .lc-k { margin: 0; }
.lc-tap-pill code {
  background: transparent;
  border: 0;
  padding: 0;
  color: var(--fg-strong);
  font-weight: 600;
  font-size: 12px;
}
.lc-tap-desc {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--fg-muted);
}

@media (max-width: 860px) {
  .lc-grid { grid-template-columns: 1fr; gap: 6px; }
  .lc-arrow { transform: rotate(90deg); justify-self: center; }
  .installer-frameworks { grid-template-columns: repeat(3, 1fr); }
  .lc-tap-row { padding-left: 0; }
}

/* =============== RESPONSIVE =============== */
@media (max-width: 1180px) {
  .shell { gap: 40px; }
}
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; gap: 0; padding: 0 16px; }
  .sidebar { display: none; }
  .topnav { display: none; }
  .search-trigger { min-width: 0; width: 34px; padding: 0; justify-content: center; }
  .search-trigger span, .search-trigger kbd { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .perf-grid { grid-template-columns: repeat(2, 1fr); }
  .topbar-inner { padding: 0 16px; gap: 12px; }
  .brand-ver { display: none; }
}