/* ==========================================================================
   QMF Documentation Portal
   Apple/macOS Developer + Vercel docs aesthetic
   Self-contained — no @import
   ========================================================================== */

/* --------------------------------------------------------------------------
   Theme tokens — default via prefers-color-scheme (before JS)
   -------------------------------------------------------------------------- */

:root {
  /* Layout */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --header-h: 52px;
  --max: 1120px;

  /* Typography */
  --font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo,
    Consolas, monospace;

  /* Motion */
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --duration: 180ms;
  --duration-slow: 280ms;

  /* Semantic status */
  --ok: #248a3d;
  --ok-soft: rgba(36, 138, 61, 0.1);
  --warn: #bf4800;
  --warn-soft: rgba(191, 72, 0, 0.1);
  --danger: #d70015;
  --danger-soft: rgba(215, 0, 21, 0.1);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f5f5f7;
    --bg-elevated: #ffffff;
    --bg-subtle: #ebebed;
    --text: #1d1d1f;
    --text-secondary: #6e6e73;
    --text-tertiary: #86868b;
    --border: rgba(0, 0, 0, 0.08);
    --border-strong: rgba(0, 0, 0, 0.12);
    --accent: #0071e3;
    --accent-hover: #0077ed;
    --accent-soft: rgba(0, 113, 227, 0.08);
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
    --code-bg: #f0f0f2;
    --header-bg: rgba(245, 245, 247, 0.72);
    --overlay: rgba(0, 0, 0, 0.32);
    --focus-ring: 0 0 0 3px rgba(0, 113, 227, 0.35);
  }
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0a0a0a;
    --bg-elevated: #161617;
    --bg-subtle: #1c1c1e;
    --text: #f5f5f7;
    --text-secondary: #a1a1a6;
    --text-tertiary: #6e6e73;
    --border: rgba(255, 255, 255, 0.1);
    --border-strong: rgba(255, 255, 255, 0.16);
    --accent: #2997ff;
    --accent-hover: #40a9ff;
    --accent-soft: rgba(41, 151, 255, 0.12);
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.32);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.48);
    --code-bg: #1c1c1e;
    --header-bg: rgba(10, 10, 10, 0.72);
    --overlay: rgba(0, 0, 0, 0.56);
    --focus-ring: 0 0 0 3px rgba(41, 151, 255, 0.4);
    --ok: #30d158;
    --ok-soft: rgba(48, 209, 88, 0.12);
    --warn: #ff9f0a;
    --warn-soft: rgba(255, 159, 10, 0.12);
    --danger: #ff453a;
    --danger-soft: rgba(255, 69, 58, 0.12);
  }
}

html[data-theme="light"] {
  --bg: #f5f5f7;
  --bg-elevated: #ffffff;
  --bg-subtle: #ebebed;
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #86868b;
  --border: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.12);
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --accent-soft: rgba(0, 113, 227, 0.08);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
  --code-bg: #f0f0f2;
  --header-bg: rgba(245, 245, 247, 0.72);
  --overlay: rgba(0, 0, 0, 0.32);
  --focus-ring: 0 0 0 3px rgba(0, 113, 227, 0.35);
  --ok: #248a3d;
  --ok-soft: rgba(36, 138, 61, 0.1);
  --warn: #bf4800;
  --warn-soft: rgba(191, 72, 0, 0.1);
  --danger: #d70015;
  --danger-soft: rgba(215, 0, 21, 0.1);
}

html[data-theme="dark"] {
  --bg: #0a0a0a;
  --bg-elevated: #161617;
  --bg-subtle: #1c1c1e;
  --text: #f5f5f7;
  --text-secondary: #a1a1a6;
  --text-tertiary: #6e6e73;
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.16);
  --accent: #2997ff;
  --accent-hover: #40a9ff;
  --accent-soft: rgba(41, 151, 255, 0.12);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.32);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.48);
  --code-bg: #1c1c1e;
  --header-bg: rgba(10, 10, 10, 0.72);
  --overlay: rgba(0, 0, 0, 0.56);
  --focus-ring: 0 0 0 3px rgba(41, 151, 255, 0.4);
  --ok: #30d158;
  --ok-soft: rgba(48, 209, 88, 0.12);
  --warn: #ff9f0a;
  --warn-soft: rgba(255, 159, 10, 0.12);
  --danger: #ff453a;
  --danger-soft: rgba(255, 69, 58, 0.12);
}

/* --------------------------------------------------------------------------
   Reset & base
   -------------------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--duration) var(--ease);
}

a:hover {
  color: var(--accent-hover);
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6,
p {
  margin: 0;
}

h1,
h2,
h3,
h4 {
  letter-spacing: -0.02em;
  line-height: 1.25;
  font-weight: 600;
  color: var(--text);
}

h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.375rem, 2.5vw, 1.75rem);
}

h3 {
  font-size: 1.0625rem;
  font-weight: 600;
}

code,
pre,
kbd,
samp {
  font-family: var(--font-mono);
}

code {
  font-size: 0.875em;
  background: var(--code-bg);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
}

pre {
  margin: 0;
  overflow-x: auto;
}

pre code {
  padding: 0;
  background: none;
  border-radius: 0;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2rem);
}

main {
  padding-top: var(--header-h);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--header-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
}

.brand:hover {
  color: var(--text);
}

.brand img,
.brand svg {
  width: 24px;
  height: 24px;
}

.version-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.4375rem;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.nav-center {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  justify-content: center;
}

.nav-center a {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--duration) var(--ease),
    background var(--duration) var(--ease);
}

.nav-center a:hover {
  color: var(--text);
  background: var(--bg-subtle);
}

.nav-center a[aria-current="page"] {
  color: var(--text);
  background: var(--bg-subtle);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  flex-shrink: 0;
}

.search-trigger {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 180px;
  max-width: 220px;
  height: 32px;
  padding: 0 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--duration) var(--ease),
    background var(--duration) var(--ease);
}

.search-trigger:hover {
  border-color: var(--border-strong);
  background: var(--bg-elevated);
}

.search-trigger kbd {
  margin-left: auto;
  padding: 0.125rem 0.375rem;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--text-tertiary);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--duration) var(--ease),
    background var(--duration) var(--ease);
}

.icon-btn:hover {
  color: var(--text);
  background: var(--bg-subtle);
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

.mobile-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--text);
  border-radius: var(--radius-sm);
}

.mobile-nav-toggle:hover {
  background: var(--bg-subtle);
}

.mobile-nav-toggle svg {
  width: 20px;
  height: 20px;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  padding: 3.5rem 0 2.5rem;
}

.hero-kicker {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  max-width: 28ch;
  margin-bottom: 1rem;
}

.hero-lead {
  max-width: 52ch;
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-top: 1.75rem;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5625rem 1.125rem;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.4;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background var(--duration) var(--ease),
    border-color var(--duration) var(--ease),
    color var(--duration) var(--ease),
    box-shadow var(--duration) var(--ease),
    transform var(--duration) var(--ease);
}

.btn-primary {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

.btn-secondary {
  color: var(--text);
  background: var(--bg-elevated);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}

.btn-secondary:hover {
  border-color: var(--border-strong);
  background: var(--bg-subtle);
  color: var(--text);
}

.btn-ghost {
  color: var(--text-secondary);
  background: transparent;
  border-color: transparent;
}

.btn-ghost:hover {
  color: var(--text);
  background: var(--bg-subtle);
}

/* --------------------------------------------------------------------------
   Quick actions grid
   -------------------------------------------------------------------------- */

.quick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.875rem;
}

.quick-card {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  padding: 1.125rem 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--duration) var(--ease),
    box-shadow var(--duration) var(--ease),
    transform var(--duration) var(--ease);
}

.quick-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  color: var(--text);
}

.quick-card .label {
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

.quick-card .desc {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.quick-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  margin-bottom: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-subtle);
  border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */

.section {
  padding: 3.5rem 0;
}

.section + .section {
  border-top: 1px solid var(--border);
}

.section-head {
  margin-bottom: 2rem;
}

.section-head h2 {
  margin-bottom: 0.5rem;
}

.section-head p {
  max-width: 52ch;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.section-label {
  display: block;
  margin-bottom: 0.625rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

/* --------------------------------------------------------------------------
   Doc categories
   -------------------------------------------------------------------------- */

.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 2rem 2.5rem;
}

.cat-col h3 {
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.cat-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.cat-col li a {
  display: block;
  padding: 0.25rem 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--duration) var(--ease);
}

.cat-col li a:hover {
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   Learn path
   -------------------------------------------------------------------------- */

.path {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.path-step {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0 1rem;
  padding: 1rem 0;
  position: relative;
}

.path-step::before {
  content: "";
  position: absolute;
  left: 0.9375rem;
  top: 2.75rem;
  bottom: -0.5rem;
  width: 1px;
  background: var(--border);
}

.path-step:last-child::before {
  display: none;
}

.path-step .num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  position: relative;
  z-index: 1;
}

.path-step .title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.path-step a {
  font-size: 0.875rem;
}

.path-step .desc {
  grid-column: 2;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

@media (min-width: 721px) {
  .path--horizontal {
    flex-direction: row;
    align-items: flex-start;
    gap: 0;
  }

  .path--horizontal .path-step {
    flex: 1;
    grid-template-columns: 1fr;
    text-align: center;
    padding: 0 1rem;
  }

  .path--horizontal .path-step::before {
    left: 50%;
    top: 1rem;
    bottom: auto;
    width: 100%;
    height: 1px;
    transform: translateX(50%);
  }

  .path--horizontal .path-step:last-child::before {
    display: none;
  }

  .path--horizontal .path-step .num {
    margin: 0 auto 0.75rem;
  }

  .path--horizontal .path-step .desc {
    grid-column: 1;
  }
}

/* --------------------------------------------------------------------------
   AI section
   -------------------------------------------------------------------------- */

.ai-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.875rem;
}

.ai-grid .quick-card {
  min-height: 120px;
}

.ai-agents {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.ai-agents span,
.ai-agents a {
  display: inline-flex;
  align-items: center;
  padding: 0.3125rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: border-color var(--duration) var(--ease),
    color var(--duration) var(--ease);
}

.ai-agents a:hover {
  color: var(--accent);
  border-color: var(--border-strong);
}

/* --------------------------------------------------------------------------
   AI indexes
   -------------------------------------------------------------------------- */

.index-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.index-row a {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  word-break: break-all;
}

.index-row a:hover {
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   Overview strips
   -------------------------------------------------------------------------- */

.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
}

.overview-grid > div h3 {
  margin-bottom: 0.875rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
}

.overview-list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.overview-list li a {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  font-size: 0.875rem;
  color: var(--text);
  line-height: 1.4;
}

.overview-list li a:hover {
  color: var(--accent);
}

.overview-list .meta {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

/* --------------------------------------------------------------------------
   Dashboard
   -------------------------------------------------------------------------- */

.dash {
  padding: 1.25rem 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.dash dl {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem 1.5rem;
  margin: 0;
}

.dash dl > div {
  min-width: 0;
}

.dash dt {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 0.25rem;
}

.dash dd {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.dash dd a { color: var(--accent); }

.install-cmd {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 100%;
  padding: 0.55rem 0.75rem;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  overflow-x: auto;
}

.install-cmd code { color: var(--text); }
.install-cmd button {
  flex-shrink: 0;
  font: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-sans);
  color: var(--accent);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
}
.install-cmd button:hover { background: var(--accent-soft); }

button.linkish {
  font: inherit;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
button.linkish:hover { text-decoration: underline; }

.index-row {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

#search-results {
  list-style: none;
  margin: 0;
  padding: 0.5rem;
  max-height: 320px;
  overflow-y: auto;
}

#search-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
}

#search-filters button {
  font: inherit;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  cursor: pointer;
}
#search-filters button[aria-pressed="true"] {
  background: var(--accent-soft);
  border-color: transparent;
  color: var(--accent);
}

.search-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-right: 1rem;
  border-bottom: 1px solid var(--border);
}
.search-input-row input {
  border-bottom: none !important;
  flex: 1;
}
.search-input-row kbd {
  font-size: 0.65rem;
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-tertiary);
}

.overview-list time {
  display: block;
  font-size: 0.72rem;
  color: var(--text-tertiary);
  margin-top: 0.15rem;
}

.code-toolbar .code-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.brand-name {
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
}

.version-badge + .version-badge { margin-left: 0.2rem; }

/* --------------------------------------------------------------------------
   Examples & components grids
   -------------------------------------------------------------------------- */

.ex-grid,
.comp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}

.ex-grid a,
.comp-grid a {
  display: block;
  padding: 0.875rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--duration) var(--ease),
    background var(--duration) var(--ease);
}

.ex-grid a:hover,
.comp-grid a:hover {
  border-color: var(--border-strong);
  background: var(--bg-subtle);
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   Code preview
   -------------------------------------------------------------------------- */

.code-preview {
  overflow: hidden;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.code-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border);
}

.code-toolbar .tabs {
  display: flex;
  gap: 0.25rem;
}

.code-toolbar button {
  padding: 0.3125rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--duration) var(--ease),
    background var(--duration) var(--ease);
}

.code-toolbar button:hover,
.code-toolbar button[aria-selected="true"] {
  color: var(--text);
  background: var(--bg-elevated);
}

.code-toolbar .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.3125rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  transition: color var(--duration) var(--ease),
    border-color var(--duration) var(--ease);
}

.code-toolbar .copy-btn:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

.code-preview pre {
  padding: 1rem 1.25rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--code-bg);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  margin-top: 4rem;
  padding: 3rem 0 0;
  border-top: 1px solid var(--border);
  background: var(--bg-subtle);
}

.site-footer .footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 2rem 2.5rem;
  padding-bottom: 2.5rem;
}

.site-footer .footer-col h4 {
  margin-bottom: 0.875rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.site-footer .footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.site-footer .footer-col a {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.site-footer .footer-col a:hover {
  color: var(--accent);
}

.site-footer .footer-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

/* --------------------------------------------------------------------------
   Search modal
   -------------------------------------------------------------------------- */

#search-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: clamp(4rem, 12vh, 8rem) 1rem 1rem;
  background: var(--overlay);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-slow) var(--ease),
    visibility var(--duration-slow) var(--ease);
}

#search-modal[open],
#search-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.search-dialog {
  width: 100%;
  max-width: 560px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: translateY(-8px) scale(0.98);
  transition: transform var(--duration-slow) var(--ease);
}

#search-modal[open] .search-dialog,
#search-modal.is-open .search-dialog {
  transform: translateY(0) scale(1);
}

.search-dialog input[type="search"],
.search-dialog input[type="text"] {
  width: 100%;
  padding: 1rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
}

.search-dialog input::placeholder {
  color: var(--text-tertiary);
}

.search-dialog .results {
  max-height: 320px;
  overflow-y: auto;
  padding: 0.5rem;
}

.search-dialog .results li a {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  padding: 0.625rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--text);
  transition: background var(--duration) var(--ease);
}

.search-dialog .results li a:hover,
.search-dialog .results li a[aria-selected="true"] {
  background: var(--bg-subtle);
  color: var(--text);
}

.search-dialog .results .result-title {
  font-size: 0.875rem;
  font-weight: 500;
}

.search-dialog .results .result-path {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.search-dialog .chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border);
}

.search-dialog .chips button {
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: color var(--duration) var(--ease),
    border-color var(--duration) var(--ease);
}

.search-dialog .chips button:hover,
.search-dialog .chips button[aria-pressed="true"] {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}

.search-dialog .recent {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border);
}

.search-dialog .recent h4 {
  margin-bottom: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.search-dialog .recent ul {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.search-dialog .recent a {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.search-dialog .search-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  padding: 0.625rem 1rem;
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
}

.search-dialog .search-footer kbd {
  padding: 0.125rem 0.3125rem;
  font-family: var(--font-sans);
  font-size: 0.625rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 3px;
}

/* --------------------------------------------------------------------------
   Mobile drawer
   -------------------------------------------------------------------------- */

.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 150;
  pointer-events: none;
  visibility: hidden;
}

.mobile-drawer.is-open {
  pointer-events: auto;
  visibility: visible;
}

.mobile-drawer .drawer-backdrop {
  position: absolute;
  inset: 0;
  background: var(--overlay);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease);
}

.mobile-drawer.is-open .drawer-backdrop {
  opacity: 1;
}

.mobile-drawer .drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(320px, 85vw);
  height: 100%;
  padding: calc(var(--header-h) + 1rem) 1.25rem 2rem;
  background: var(--bg-elevated);
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  transform: translateX(100%);
  transition: transform var(--duration-slow) var(--ease);
  overflow-y: auto;
}

.mobile-drawer.is-open .drawer-panel {
  transform: translateX(0);
}

.mobile-drawer nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mobile-drawer nav a {
  display: block;
  padding: 0.75rem 0.875rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius-sm);
  transition: background var(--duration) var(--ease);
}

.mobile-drawer nav a:hover,
.mobile-drawer nav a[aria-current="page"] {
  background: var(--bg-subtle);
  color: var(--text);
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.4375rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  color: var(--text-secondary);
}

.badge-alpha {
  color: var(--warn);
  background: var(--warn-soft);
  border-color: transparent;
}

.badge-stable {
  color: var(--ok);
  background: var(--ok-soft);
  border-color: transparent;
}

.text-secondary {
  color: var(--text-secondary);
}

.text-tertiary {
  color: var(--text-tertiary);
}

.text-ok {
  color: var(--ok);
}

.text-warn {
  color: var(--warn);
}

.text-danger {
  color: var(--danger);
}

/* --------------------------------------------------------------------------
   Reduced motion
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .quick-card:hover {
    transform: none;
  }

  #search-modal .search-dialog {
    transform: none;
  }
}

/* --------------------------------------------------------------------------
   Responsive — tablet: hide center nav
   -------------------------------------------------------------------------- */

@media (max-width: 960px) {
  .nav-center {
    display: none;
  }

  .search-trigger {
    min-width: 140px;
  }

  .search-trigger span:not(kbd) {
    display: none;
  }

  .search-trigger kbd {
    margin-left: 0;
  }
}

/* --------------------------------------------------------------------------
   Responsive — mobile: stack grids, show hamburger
   -------------------------------------------------------------------------- */

@media (max-width: 720px) {
  .mobile-nav-toggle {
    display: inline-flex;
  }

  .search-trigger {
    display: none;
  }

  .hero {
    padding: 2.5rem 0 2rem;
  }

  .section {
    padding: 2.5rem 0;
  }

  .quick-grid,
  .cat-grid,
  .ai-grid,
  .overview-grid,
  .ex-grid,
  .comp-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .dash dl {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-footer .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-footer .footer-bar {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .header-actions .icon-btn:not(.mobile-nav-toggle) {
    width: 28px;
    height: 28px;
  }

  .dash dl {
    grid-template-columns: 1fr;
  }

  .site-footer .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   Portal refinement pass — documentation-first IA
   -------------------------------------------------------------------------- */
:root { --portal-sidebar: 188px; --portal-rail: 236px; }

.header-inner { gap: 0.75rem; }
.brand { gap: 0.5rem; }
.version-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.16rem 0.5rem;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--warn);
  background: var(--warn-soft);
  border-radius: 999px;
  white-space: nowrap;
}
.nav-center { gap: 0.125rem; }
.nav-center a, .more-menu summary { padding: 0.34rem 0.62rem; font-size: 0.84rem; }
.more-menu { position: relative; }
.more-menu summary {
  list-style: none;
  cursor: pointer;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-weight: 500;
}
.more-menu summary::-webkit-details-marker { display: none; }
.more-menu summary::after { content: "⌄"; margin-left: 0.28rem; font-size: 0.75rem; }
.more-menu[open] summary, .more-menu summary:hover { color: var(--text); background: var(--bg-subtle); }
.more-panel {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  width: 176px;
  padding: 0.4rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 80;
}
.more-panel a { display: block; padding: 0.5rem 0.6rem; }
.search-trigger { width: 280px; min-width: 240px; max-width: 300px; }
.search-trigger span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.portal-layout { padding: 1.4rem 0 0; }
.portal-shell {
  display: grid;
  grid-template-columns: var(--portal-sidebar) minmax(0, 1fr) var(--portal-rail);
  gap: 1.35rem;
  align-items: start;
}
.doc-sidebar,
.right-rail {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
}
.doc-sidebar {
  padding: 0.35rem 0.25rem 1rem 0;
  border-right: 1px solid var(--border);
  max-height: none;
  overflow: visible;
}
.right-rail {
  max-height: calc(100vh - var(--header-h) - 2rem);
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.right-rail::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;
}
.side-group { margin-bottom: 1.35rem; }
.side-group p {
  margin: 0 0 0.45rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.side-group a {
  display: block;
  padding: 0.32rem 0.5rem;
  margin-left: -0.5rem;
  border-radius: 7px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}
.side-group a:hover { color: var(--text); background: var(--bg-subtle); }
.portal-main { min-width: 0; }

.hero.hero-compact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(210px, 250px);
  gap: 1.5rem;
  align-items: center;
  min-height: 360px;
  padding: 2.25rem 0 2rem;
  border-bottom: 1px solid var(--border);
}
.hero-copy { min-width: 0; }
.hero h1 { margin: 0 0 0.55rem; max-width: 12ch; font-size: clamp(2.35rem, 5vw, 4.15rem); }
.hero-kicker { margin-bottom: 0.55rem; }
.hero-lead { max-width: 44ch; margin: 0; font-size: 1rem; line-height: 1.55; }
.hero-actions { margin-top: 1.25rem; }
.hero .install-cmd { margin-top: 1.15rem; }
.hero-dashboard {
  padding: 0.9rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.hero-dashboard div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.15rem;
  padding: 0.78rem 0.15rem;
  border-bottom: 1px solid var(--border);
}
.hero-dashboard div:last-child { border-bottom: 0; }
.hero-dashboard span, .rail-card h3 {
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.hero-dashboard strong { font-size: 1rem; color: var(--text); }
.hero-dashboard a { font-size: 0.78rem; }

.latest-strip {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.latest-strip h2 { margin: 0; font-size: 1rem; letter-spacing: -0.01em; }
.latest-strip .section-label { margin-bottom: 0.15rem; }
.latest-strip ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
  padding: 0;
  margin: 0;
  list-style: none;
}
.latest-strip li { font-size: 0.82rem; }
.latest-strip > a { white-space: nowrap; font-size: 0.82rem; }

.section.section-tight { padding: 2.2rem 0; }
.inline-head { margin-bottom: 1rem; }
.inline-head h2 { font-size: 1.35rem; }
.workflow-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; }
.finder-card {
  position: relative;
  min-height: 112px;
  padding: 1rem 1rem 0.9rem;
  border-radius: 14px;
}
.finder-card .quick-icon {
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.8rem;
  border-radius: 8px;
  color: var(--accent);
  background: var(--accent-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  transition: transform var(--duration) var(--ease);
}
.finder-card .label { display: block; font-size: 0.95rem; }
.finder-card .desc { display: block; margin-top: 0.2rem; }
.finder-card .arrow { position: absolute; right: 1rem; top: 1rem; color: var(--text-tertiary); transition: transform var(--duration) var(--ease), color var(--duration) var(--ease); }
.finder-card:hover .quick-icon { transform: translateY(-2px); }
.finder-card:hover .arrow { transform: translateX(2px); color: var(--accent); }

.ai-ready {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 280px);
  gap: 1.5rem;
  padding: 1.35rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.ai-ready h2 { margin: 0 0 0.45rem; }
.ai-ready p { color: var(--text-secondary); max-width: 54ch; }
.ai-checklist { display: grid; gap: 0.35rem; padding: 0; margin: 0; list-style: none; }
.ai-checklist li a {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.34rem 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.ai-checklist li a::before { content: "✓"; color: var(--ok); font-family: var(--font-sans); font-weight: 700; }
.dense-cat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.8rem; }
.dense-cat-grid .cat-col { padding: 1rem; }
.compact-comp-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.compact-ex-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.right-rail { display: grid; gap: 0.85rem; }
.rail-search {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  width: 100%;
  height: 38px;
  padding: 0 0.75rem;
  color: var(--text-tertiary);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
}
.rail-search:hover { border-color: var(--border-strong); background: var(--bg-elevated); }
.rail-search kbd { font-size: 0.65rem; border: 1px solid var(--border); border-radius: 4px; padding: 0.1rem 0.32rem; }
.rail-card {
  padding: 0.9rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.rail-card h3 { margin: 0 0 0.65rem; }
.rail-card p { margin: 0 0 0.45rem; }
.rail-card a { display: block; padding: 0.3rem 0; font-size: 0.82rem; }

@media (max-width: 1180px) {
  .portal-shell { grid-template-columns: 170px minmax(0, 1fr); }
  .right-rail { display: none; }
}
@media (max-width: 960px) {
  .portal-layout { padding-top: 0.75rem; }
  .portal-shell { display: block; }
  .doc-sidebar { display: none; }
  .hero.hero-compact { grid-template-columns: 1fr; min-height: 0; padding: 2rem 0 1.5rem; }
  .hero-dashboard { display: grid; grid-template-columns: repeat(3, 1fr); }
  .hero-dashboard div { border-bottom: 0; border-right: 1px solid var(--border); padding: 0.25rem 0.7rem; }
  .hero-dashboard div:last-child { border-right: 0; }
  .latest-strip { grid-template-columns: 1fr; gap: 0.65rem; }
}
@media (max-width: 720px) {
  .search-trigger { min-width: 0; width: auto; }
  .hero h1 { font-size: 2.45rem; }
  .hero-dashboard, .ai-ready, .workflow-grid, .dense-cat-grid, .compact-ex-grid { grid-template-columns: 1fr; }
  .hero-dashboard div { border-right: 0; border-bottom: 1px solid var(--border); }
  .compact-comp-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Compact hero fix: use full content width inside the portal main column. */
.hero.hero-compact {
  grid-template-columns: 1fr;
  gap: 1rem;
  min-height: 0;
  padding: 1.55rem 0 1.35rem;
}
.hero h1 {
  max-width: none;
  font-size: clamp(2.55rem, 4.4vw, 3.65rem);
  line-height: 1.03;
  margin-bottom: 0.5rem;
}
.hero-lead { max-width: 42rem; }
.hero-actions {
  gap: 0.5rem;
  margin-top: 1.05rem;
}
.hero .install-cmd { margin-top: 0.95rem; }
.hero-dashboard {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  padding: 0.55rem 0.65rem;
}
.hero-dashboard div {
  padding: 0.25rem 0.7rem;
  border-bottom: 0;
  border-right: 1px solid var(--border);
}
.hero-dashboard div:last-child { border-right: 0; }
.hero-dashboard strong { font-size: 0.92rem; }
.hero-dashboard a { font-size: 0.74rem; }
.latest-strip { padding: 0.85rem 0; }
.section.section-tight { padding: 1.8rem 0; }
@media (max-width: 720px) {
  .hero-dashboard { grid-template-columns: 1fr; }
  .hero-dashboard div { border-right: 0; border-bottom: 1px solid var(--border); }
  .hero-dashboard div:last-child { border-bottom: 0; }
}


/* --------------------------------------------------------------------------
   Portal polish pass — hub density (Apple/Vercel style)
   -------------------------------------------------------------------------- */
.header-inner { gap: 0.55rem; }
.brand { margin-right: 0; }
.version-menu { position: relative; flex-shrink: 0; }
.version-menu summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.16rem 0.5rem;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--warn);
  background: var(--warn-soft);
  border-radius: 999px;
  white-space: nowrap;
}
.version-menu summary::-webkit-details-marker { display: none; }
.version-menu summary::after { content: "⌄"; font-size: 0.7rem; opacity: 0.8; }
.version-panel {
  position: absolute;
  top: calc(100% + 0.45rem);
  left: 0;
  width: 168px;
  padding: 0.4rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 90;
}
.version-panel a {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.5rem 0.55rem;
  border-radius: 8px;
  color: var(--text);
}
.version-panel a:hover { background: var(--bg-subtle); }
.version-panel span {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.version-panel strong { font-size: 0.86rem; }

:root { --portal-sidebar: 156px; --portal-rail: 248px; }

.doc-sidebar {
  padding: 0.2rem 0.15rem 1rem 0;
  border-right: 1px solid var(--border);
}
.side-nav { display: grid; gap: 0.15rem; }
.side-item { position: relative; }
.side-item > a {
  display: block;
  padding: 0.48rem 0.55rem;
  margin-left: -0.55rem;
  border-radius: 8px;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-secondary);
}
.side-item > a:hover,
.side-item:focus-within > a {
  color: var(--text);
  background: var(--bg-subtle);
}
.side-flyout {
  position: absolute;
  top: 0;
  left: calc(100% + 0.35rem);
  width: 176px;
  padding: 0.4rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-4px);
  transition: opacity var(--duration) var(--ease), transform var(--duration) var(--ease), visibility var(--duration) var(--ease);
  z-index: 40;
}
.side-item:hover .side-flyout,
.side-item:focus-within .side-flyout {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(0);
}
.side-flyout a {
  display: block;
  padding: 0.42rem 0.5rem;
  border-radius: 7px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.side-flyout a:hover { color: var(--text); background: var(--bg-subtle); }
.side-group { display: none; } /* legacy */

.cmd-preview { margin: 0 0 0.85rem; }
.cmd-preview-btn {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  width: 100%;
  padding: 0.7rem 0.85rem;
  text-align: left;
  font: inherit;
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  cursor: pointer;
}
.cmd-preview-btn:hover { border-color: var(--border-strong); }
.cmd-preview-btn kbd {
  padding: 0.18rem 0.4rem;
  font-size: 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-subtle);
  color: var(--text);
}
.cmd-hints {
  margin-left: auto;
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.cmd-hints em {
  font-style: normal;
  font-size: 0.68rem;
  padding: 0.16rem 0.4rem;
  border-radius: 999px;
  background: var(--bg-subtle);
  color: var(--text-tertiary);
}

.hero.hero-compact {
  display: block;
  min-height: 0;
  padding: 0.9rem 0 0;
  border-bottom: 0;
}
.hero h1 {
  margin: 0 0 0.4rem;
  font-size: clamp(2.2rem, 3.8vw, 3.1rem);
  line-height: 1.05;
  max-width: none;
}
.hero-kicker { margin-bottom: 0.4rem; }
.hero-lead { margin: 0; max-width: 40rem; font-size: 0.98rem; }
.hero-actions { margin-top: 0.9rem; gap: 0.45rem; }
.hero .install-cmd { margin-top: 0.8rem; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 1rem;
  padding: 0.55rem 0.15rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
}
.hero-stats div {
  padding: 0.35rem 0.85rem;
  border-right: 1px solid var(--border);
}
.hero-stats div:last-child { border-right: 0; }
.hero-stats span {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.hero-stats strong { font-size: 0.92rem; color: var(--text); }
.hero-dashboard { display: none; }

.latest-strip {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: start;
  margin-top: 48px;
  padding: 0;
  border-bottom: 0;
}
.latest-head h2 { margin: 0; font-size: 1rem; }
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
  border-left: 1px solid var(--border);
  padding-left: 0.9rem;
}
.timeline li {
  position: relative;
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 0.65rem;
  align-items: baseline;
  font-size: 0.84rem;
}
.timeline li::before {
  content: "";
  position: absolute;
  left: -1.05rem;
  top: 0.42rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.timeline time {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}
.latest-more { font-size: 0.82rem; white-space: nowrap; padding-top: 0.15rem; }

.section.section-tight { padding: 48px 0 0; }
.workflow-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.7rem; }
.finder-card {
  min-height: 108px;
  padding: 0.95rem 0.95rem 0.85rem;
  border-radius: 14px;
}
.finder-card .glyph {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  margin-bottom: 0.85rem;
  border-radius: 10px;
  font-size: 1.05rem;
  color: var(--accent);
  background: var(--accent-soft);
  transition: transform var(--duration) var(--ease);
}
.finder-card .quick-icon { display: none; }
.finder-card .label { font-size: 0.95rem; font-weight: 600; }
.finder-card .desc {
  margin-top: 0.15rem;
  font-size: 0.78rem;
  color: var(--text-tertiary);
}
.finder-card:hover .glyph { transform: translateY(-2px); }

.ai-ready { margin-top: 48px; }
.why-qmf { margin-top: 48px; }
.why-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
}
.why-grid li {
  padding: 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
}
.why-grid strong { display: block; margin-bottom: 0.2rem; font-size: 0.9rem; }
.why-grid span { font-size: 0.78rem; color: var(--text-secondary); }

.right-rail { display: block; }
.rail-search { display: none !important; }
.dash-card {
  padding: 0.95rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.dash-card > h3 {
  margin: 0 0 0.85rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
}
.dash-card section {
  padding: 0.75rem 0;
  border-top: 1px solid var(--border);
}
.dash-card section:first-of-type { border-top: 0; padding-top: 0; }
.dash-card .dash-last { padding-bottom: 0; }
.dash-label {
  margin: 0 0 0.35rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.dash-value { margin: 0 0 0.35rem; font-size: 1rem; font-weight: 650; }
.dash-card a { display: block; padding: 0.18rem 0; font-size: 0.82rem; }

@media (max-width: 1180px) {
  .portal-shell { grid-template-columns: 150px minmax(0, 1fr); }
  .right-rail { display: none; }
  .side-flyout { left: 0; top: calc(100% + 0.25rem); }
}
@media (max-width: 960px) {
  .cmd-hints { display: none; }
  .workflow-grid, .why-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .latest-strip { grid-template-columns: 1fr; margin-top: 40px; }
}
@media (max-width: 720px) {
  .hero-stats, .workflow-grid, .why-grid { grid-template-columns: 1fr; }
  .hero-stats div { border-right: 0; border-bottom: 1px solid var(--border); }
  .hero-stats div:last-child { border-bottom: 0; }
  .timeline li { grid-template-columns: 1fr; gap: 0.15rem; }
}