/* Hallmark · genre: modern-minimal · design-system: design.md · designed-as-app
 * macrostructure: Ecosystem Index (landing) · Index-First (blog index) ·
 *   Long Document (posts, root pages) · Ecosystem Index, miniature (hubs)
 * H2 hero knobs: ratio=6/6, right=code sample (tabs), divider=negative-space
 * nav: N1b bar (CSS over the baked markup) · footer: Ft3 (docs root, baked)
 * theme: studied-DNA (source: https://platform.claude.com/docs/en/home)
 *   paper oklch(98.8% 0.003 28) · accent oklch(43.3% 0.128 257) blue, interaction only
 *   brand oklch(58.8% 0.20 28) — a mark, two slots (wordmark square, 404 figure)
 * display: roman serif, light (Source Serif 4 300/400) · body: neutral grotesque
 *   (IBM Plex Sans) · code: JetBrains Mono — user's picks, 2026-09-02
 * studied: yes · DNA-source: url · observed-fonts: anthropicSerif + anthropicSans
 *   + anthropicMono (proprietary, not used) · observed-accent: oklch(57.5% 0.163 256)
 *   · rhythm: unknown (URL mode)
 * enrichment: none (a real code sample from the tutorials + the existing
 *   architecture figure) · motion: cut — no reveals, tab crossfade only
 * pre-emit critique: P4 H4 E4 S4 R5 V4
 * slop test 2026-09-02: contrast: pass (40–41) · nav: N1b · footer: Ft3 ·
 *   slop: pass (42–45; 42 by studied DNA, links left-clustered, no CTA) ·
 *   honest: pass (46) · chrome: pass (47) · tokens: pass (48) ·
 *   responsive: pass (49) · icons: pass (30) · mobile: pass (34, 49, 50–57)
 *   verified in Playwright at 320 / 375 / 414 / 768 / 1280, both themes
 * history: 2026-09-02 system swap — replaces css/brutalist.css (kept on disk,
 *   unlinked). Structural Docusaurus + mobile overrides carried over from it;
 *   every theme-bearing rule rewritten. Light is the default theme now.
 */

/* ============================================================
   NANOOK — DESIGN SYSTEM
   Light paper · one serif note · sans body · blue for interaction
   ============================================================ */

/* ============================================================
   SCALES — theme-independent, so they live on :root
   ============================================================ */
:root {
  /* 4-pt spacing scale */
  --space-3xs: 0.25rem;   /*  4px */
  --space-2xs: 0.5rem;    /*  8px */
  --space-xs:  0.75rem;   /* 12px */
  --space-sm:  1rem;      /* 16px */
  --space-sm2: 1.25rem;   /* 20px */
  --space-md:  1.5rem;    /* 24px */
  --space-md2: 1.75rem;   /* 28px */
  --space-lg:  2rem;      /* 32px */
  --space-lg2: 2.5rem;    /* 40px */
  --space-xl:  3rem;      /* 48px */
  --space-2xl: 4rem;      /* 64px */
  --space-3xl: 6rem;      /* 96px */

  /* motion — three named easings, never the browser default `ease`.
     Stance is motion-cut: nothing reveals, only state changes move. */
  --dur-micro: 60ms;
  --dur-short: 200ms;
  --dur-long:  320ms;
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:     cubic-bezier(0.7, 0, 0.84, 0);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  /* radii — small on purpose */
  --radius-sm:   4px;
  --radius-md:   6px;
  --radius-card: 10px;

  /* bar height — drives sticky offset and scroll-margin */
  --header-h: 56px;

  /* widths: the shell (bar, footer, docs) and the page column (landing, hubs) */
  --shell-max: 87.5rem;   /* 1400px — the Docusaurus shell width */
  --page-max:  72rem;     /* 1152px — landing sections, hubs */
  --gutter: clamp(1rem, 4vw, 2.5rem);

  /* prose measure — 45-75ch is the readable band */
  --measure: 68ch;

  /* the three faces — one role each (2+1) */
  --font-display: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-body: 'IBM Plex Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
  --font-reading: var(--font-body);   /* alias kept for older selectors */

  /* type scale — 1.25 (major third) on a 1rem base, plus the display pair */
  --text-xs:   0.75rem;    /* 12px  — labels floor */
  --text-sm:   0.875rem;   /* 14px  — nav, meta, card copy */
  --text-base: 1rem;       /* 16px  — UI, card titles */
  --text-md:   1.25rem;    /* 20px  — row titles */
  --text-title: 1.375rem;  /* 22px  — section h2 */
  --text-lg:   1.5625rem;  /* 25px  */
  --text-xl:   1.953rem;   /* 31px  — hub / index titles */
  --text-2xl:  2.441rem;   /* 39px  — article display title */
  --text-display-s: clamp(1.953rem, 1.6rem + 1.5vw, 2.441rem);
  --text-display:   clamp(2.5rem, 2rem + 2vw, 3.25rem);   /* 40 → 52px */
  --text-reading: 1.0625rem;  /* 17px — article body */
  --text-lede:    1.1875rem;  /* 19px — article lede  */

  /* z-index — named levels */
  --z-base:       0;
  --z-raised:     1;
  --z-lifted:     10;
  --z-sticky:     200;   /* in-page sticky, e.g. the docs sidebar */
  --z-sticky-nav: 300;   /* the bar */
  --z-overlay:    400;   /* cookie consent */
}

/* ============================================================
   TOKENS — LIGHT (default)
   Neutrals carry the brand hue 28 at trace chroma; blue is the only
   working colour; the brand red survives as a mark.
   ============================================================ */
body[data-theme="light"] {
  --bg-primary:     oklch(98.8% 0.003 28);
  --bg-secondary:   oklch(96.8% 0.004 28);
  --bg-elevated:    oklch(99.6% 0.002 28);
  --fg-primary:     oklch(17% 0.004 28);
  --fg-secondary:   oklch(40% 0.006 28);
  --fg-dim:         oklch(50% 0.008 28);
  --link-accent:    oklch(43.3% 0.128 257);   /* 7.8:1 on paper */
  --link-underline: oklch(43.3% 0.128 257 / 0.4);
  --accent:         oklch(57.5% 0.163 256);   /* 4.3:1 — rings, selection */
  --accent-ink:     oklch(99% 0.003 28);
  --brand:          oklch(58.8% 0.20 28);
  --border-color:   oklch(90% 0.005 28);
  --border-bright:  oklch(82% 0.008 28);
  --focus-ring:     var(--accent);
  --overlay-scrim:  oklch(17% 0.004 28 / 0.4);
  --shadow-drawer:  oklch(17% 0.004 28 / 0.12);
  --logo-filter:    invert(1);                 /* the mark is drawn white */
  --diagram-filter: invert(1) hue-rotate(180deg);   /* dark-first artwork */
  --photo-filter:   none;
  --trust-filter:   grayscale(1) brightness(0.4);
  --trust-filter-alt: grayscale(1) brightness(0.3) contrast(1.2);
  /* code tokens (prism) */
  --code-comment:  oklch(55% 0.01 28);
  --code-keyword:  oklch(43% 0.13 257);
  --code-string:   oklch(45% 0.11 150);
  --code-number:   oklch(48% 0.14 40);
  --code-function: oklch(40% 0.10 300);
  --code-punct:    oklch(45% 0.006 28);
}

/* ============================================================
   TOKENS — DARK
   Same hues; lightness and chroma move, nothing else.
   ============================================================ */
body[data-theme="dark"] {
  --bg-primary:     oklch(16% 0.004 28);
  --bg-secondary:   oklch(20% 0.005 28);
  --bg-elevated:    oklch(23% 0.005 28);
  --fg-primary:     oklch(94% 0.004 28);
  --fg-secondary:   oklch(76% 0.005 28);
  --fg-dim:         oklch(64% 0.006 28);
  --link-accent:    oklch(74% 0.12 257);      /* 8.4:1 on paper */
  --link-underline: oklch(74% 0.12 257 / 0.4);
  --accent:         oklch(74% 0.12 257);
  --accent-ink:     oklch(16% 0.004 28);
  --brand:          oklch(66% 0.18 28);
  --border-color:   oklch(30% 0.006 28);
  --border-bright:  oklch(38% 0.007 28);
  --focus-ring:     var(--accent);
  --overlay-scrim:  oklch(10% 0.004 28 / 0.6);
  --shadow-drawer:  oklch(8% 0.004 28 / 0.4);
  --logo-filter:    none;
  --diagram-filter: none;
  --photo-filter:   brightness(0.9) contrast(1.1);
  --trust-filter:   grayscale(1) brightness(0.8) invert(1);
  --trust-filter-alt: grayscale(1) invert(1) brightness(1.5);
  --code-comment:  oklch(62% 0.01 28);
  --code-keyword:  oklch(78% 0.10 257);
  --code-string:   oklch(78% 0.10 150);
  --code-number:   oklch(80% 0.12 60);
  --code-function: oklch(80% 0.09 300);
  --code-punct:    oklch(72% 0.006 28);
}

/* ============================================================
   RESET & BASE (SHARED)
   ============================================================ */
html {
  /* `clip`, not `hidden` — clip does not create a scroll container, so the
     sticky bar keeps working */
  overflow-x: clip;
  scroll-behavior: smooth;
}

body[data-theme] {
  margin: 0;
  padding: 0;
  background-color: var(--bg-primary);
  color: var(--fg-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
  transition: background-color var(--dur-long) var(--ease-out),
    color var(--dur-long) var(--ease-out);
}

body[data-theme] *,
body[data-theme] *::before,
body[data-theme] *::after {
  box-sizing: border-box;
}

/* the hand-built pages sit in a <main>; main.css lets it shrink to its
   content, which centred a narrow column on the hubs and the 404 */
body[data-theme] main {
  display: block;
  width: 100%;
}

/* Kill inherited Docusaurus chrome (header + footer only) and the retired
   CRT film — the overlay div is still baked into every page */
body[data-theme] .fixedHeaderContainer,
body[data-theme] .homeContainer,
body[data-theme] .homeSplashFade,
body[data-theme] .nav-footer,
body[data-theme] .crt-overlay {
  display: none !important;
}

body[data-theme] ::selection {
  background-color: var(--accent);
  color: var(--accent-ink);
}

/* Balanced headings, no orphaned last words in prose — progressive
   enhancement, ignored by engines without text-wrap support */
h1,
h2,
h3,
.postHeaderTitle,
.hero-title {
  text-wrap: balance;
}

.post p,
.post li,
.post-content p,
.definition p,
.faq-answer,
.section-lead,
.card p,
.use-case-card p {
  text-wrap: pretty;
}

/* Display headers wrap inside long words */
h1,
h2,
h3,
.hero-title,
.postHeaderTitle {
  overflow-wrap: anywhere;
  min-width: 0;
}

/* Code blocks must scroll, not clip. main.css sets `pre code{display:inline}`
   and no overflow, so long lines were cut off and unreachable. */
pre {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
}

/* ============================================================
   LINKS — blue, underlined, offset; the underline carries 40 % ink
   ============================================================ */
body[data-theme] a {
  color: var(--link-accent);
  text-decoration: underline;
  text-decoration-color: var(--link-underline);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--dur-micro) var(--ease-out),
    text-decoration-color var(--dur-micro) var(--ease-out);
}

body[data-theme] a:hover {
  text-decoration-color: currentColor;
}

/* chrome links (bar, footer, cards, buttons) are not underlined prose links */
body[data-theme] .site-logo,
body[data-theme] .site-nav a,
body[data-theme] .footer-col a,
body[data-theme] .footer-logo a,
body[data-theme] .btn,
body[data-theme] .card-link,
body[data-theme] .docs-hub-row,
body[data-theme] .postHeaderTitle a,
body[data-theme] .trust-logos a,
body[data-theme] .docs-prevnext a,
body[data-theme] .blog-recent a,
body[data-theme] .toc a,
body[data-theme] .navBreadcrumb a,
body[data-theme] .hash-link {
  text-decoration: none;
}

/* ============================================================
   GATE 26 · THE EIGHT STATES — focus, active, disabled, busy
   The ring never transitions: it must be there on the first frame.
   ============================================================ */
body[data-theme] :focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  transition: none;
}

body[data-theme] .btn:focus-visible,
body[data-theme] .theme-toggle:focus-visible,
body[data-theme] .nav-toggle:focus-visible,
body[data-theme] .tab:focus-visible,
body[data-theme] .cookie-btn:focus-visible {
  outline-offset: 3px;
}

body[data-theme] .btn:active,
body[data-theme] .theme-toggle:active,
body[data-theme] .nav-toggle:active,
body[data-theme] .cookie-btn:active,
body[data-theme] .cookie-expand:active,
body[data-theme] .tab:active,
body[data-theme] .site-nav a:active,
body[data-theme] .step-links a:active,
body[data-theme] .footer-col a:active,
body[data-theme] .card:active {
  transform: translateY(1px);
}

body[data-theme] button:disabled,
body[data-theme] [aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

body[data-theme] [aria-busy="true"] {
  cursor: progress;
  opacity: 0.7;
}

/* ============================================================
   BUTTONS — ink on paper, never accent-filled
   primary: ink fill · secondary: hairline outline · text: plain
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  min-height: 40px;
  padding: 0 var(--space-sm);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out),
    border-color var(--dur-short) var(--ease-out),
    color var(--dur-short) var(--ease-out);
}

body[data-theme] .btn-primary {
  background-color: var(--fg-primary);
  border-color: var(--fg-primary);
  color: var(--bg-primary);
}

body[data-theme] .btn-primary:hover {
  background-color: var(--fg-secondary);
  border-color: var(--fg-secondary);
  color: var(--bg-primary);
}

body[data-theme] .btn-secondary {
  background-color: transparent;
  border-color: var(--border-bright);
  color: var(--fg-primary);
}

body[data-theme] .btn-secondary:hover {
  background-color: var(--bg-secondary);
  border-color: var(--fg-dim);
  color: var(--fg-primary);
}

body[data-theme] .btn-text {
  background-color: transparent;
  color: var(--fg-primary);
  padding-inline: var(--space-xs);
}

body[data-theme] .btn-text:hover {
  background-color: var(--bg-secondary);
  color: var(--fg-primary);
}

/* error / success are label-level states, never colour alone */
body[data-theme] .btn[data-state="error"] {
  border-color: var(--brand);
  color: var(--brand);
  background: transparent;
}

body[data-theme] .btn[data-state="success"] {
  border-color: var(--link-accent);
  color: var(--link-accent);
  background: transparent;
}

/* ============================================================
   HEADER — N1b bar over the baked markup
   logo | links | toggle (+ hamburger below 640px). .header-right is a
   wrapper in the HTML; display:contents promotes its children into the
   grid so the links can sit next to the wordmark.
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky-nav);
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--dur-long) var(--ease-out),
    border-color var(--dur-long) var(--ease-out);
}

.header-inner {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: var(--header-h);
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  column-gap: var(--space-md);
  position: relative;
}

.header-right {
  display: contents;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  min-height: 44px;
}

.site-logo img {
  height: 26px;
  width: auto;
  filter: var(--logo-filter);
  transition: filter var(--dur-long) var(--ease-out);
}

.site-name {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  letter-spacing: -0.005em;
  color: var(--fg-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
}

/* the brand mark: one 6px square, slot 1 of 2 */
.site-name::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background-color: var(--brand);
}

.site-nav {
  justify-self: start;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--space-3xs);
  align-items: center;
}

.site-nav li {
  margin: 0 !important;
}

body[data-theme] .site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 var(--space-xs);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--fg-secondary);
  white-space: nowrap;
  box-shadow: inset 0 -2px 0 transparent;
  transition: background-color var(--dur-short) var(--ease-out),
    color var(--dur-short) var(--ease-out);
}

body[data-theme] .site-nav a:hover {
  background-color: var(--bg-secondary);
  color: var(--fg-primary);
}

/* current section — set as aria-current by js/theme.js */
body[data-theme] .site-nav a[aria-current="page"] {
  color: var(--fg-primary);
  box-shadow: inset 0 -2px 0 var(--link-accent);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

/* ============================================================
   THEME TOGGLE — Light / Dark, a quiet control
   ============================================================ */
.theme-toggle {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  min-height: 36px;
  padding: 0 var(--space-xs);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: none;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--fg-dim);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--dur-short) var(--ease-out),
    color var(--dur-short) var(--ease-out);
}

.theme-toggle:hover {
  background-color: var(--bg-secondary);
  color: var(--fg-primary);
}

.theme-toggle-track {
  width: 28px;
  height: 14px;
  border: 1px solid var(--border-bright);
  border-radius: 7px;
  position: relative;
  transition: border-color var(--dur-short) var(--ease-out);
}

.theme-toggle-thumb {
  position: absolute;
  top: 1px;
  width: 10px;
  height: 10px;
  border-radius: 5px;
  background-color: var(--fg-dim);
  transition: transform var(--dur-short) var(--ease-in-out);
}

/* the baked markup reads "Dark · track · Light": the thumb sits toward the
   active label — left for dark, right for light */
body[data-theme="dark"] .theme-toggle-thumb {
  left: 1px;
  background-color: var(--accent);
}

body[data-theme="light"] .theme-toggle-thumb {
  left: 1px;
  transform: translateX(14px);
}

.theme-toggle-label-dark,
.theme-toggle-label-light {
  transition: color var(--dur-short) var(--ease-out);
}

body[data-theme="light"] .theme-toggle-label-light,
body[data-theme="dark"] .theme-toggle-label-dark {
  color: var(--fg-primary);
}

/* --- Mobile nav toggle (button is injected by js/theme.js) -------------- */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  flex: 0 0 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
  justify-self: end;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background-color: var(--fg-primary);
  transition: transform var(--dur-short) var(--ease-in-out),
    opacity var(--dur-short) var(--ease-in-out);
}

.site-header.nav-open .nav-toggle span {
  position: absolute;
  top: 50%;
  margin-top: -1px;
}

.site-header.nav-open .nav-toggle span:nth-child(1) {
  transform: rotate(45deg);
}

.site-header.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header.nav-open .nav-toggle span:nth-child(3) {
  transform: rotate(-45deg);
}

/* Skip link — injected by js/theme.js as the first element in <body>;
   invisible until keyboard focus, then an ink block above the bar */
.skip-link {
  position: fixed;
  top: var(--space-2xs);
  left: var(--space-2xs);
  z-index: calc(var(--z-overlay) + 1);
  transform: translateY(calc(-100% - var(--space-lg)));
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
}

body[data-theme] .skip-link {
  color: var(--bg-primary);
  background: var(--fg-primary);
  text-decoration: none;
}

.skip-link:focus-visible {
  transform: none;
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

/* ============================================================
   LANDING — shared section grammar (S2 hanging head)
   ============================================================ */
.section {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: var(--space-xl) var(--gutter) var(--space-2xl);
}

/* uneven on purpose: the definition follows the hero closely, the use cases
   (the anchor people jump to) get the most air, the FAQ sits tight */
.section.definition {
  padding-top: var(--space-lg);
}

.section#use-cases {
  padding-block: var(--space-2xl) var(--space-3xl);
}

.section.faq {
  padding-top: var(--space-md);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  margin-bottom: var(--space-lg);
}

.section-head h2 {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-title);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--fg-primary);
}

.section-lead {
  margin: 0;
  max-width: 36rem;
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--fg-secondary);
}

/* ============================================================
   HERO — H2 split diptych: copy left, real code right
   ============================================================ */
.hero {
  max-width: var(--page-max);
  margin: 0 auto;
  /* bottom-heavy: the hero sits into the page instead of floating above it */
  padding: var(--space-xl) var(--gutter) var(--space-2xl);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-xl);
  /* both columns hang from the top: the copy and the tab strip start on one
     line, and a short panel (Install) leaves air below instead of floating
     beside a centred block */
  align-items: start;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
  min-width: 0;
}

.hero-eyebrow {
  margin: 0;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--fg-dim);
}

.hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--text-display);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--fg-primary);
  font-optical-sizing: auto;
}

.hero-lede {
  margin: 0;
  max-width: 30rem;
  font-size: var(--text-md);
  line-height: 1.5;
  color: var(--fg-secondary);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-2xs);
}

.hero-aside {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--fg-dim);
}

body[data-theme] .hero-aside a {
  color: var(--fg-dim);
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

body[data-theme] .hero-aside a:hover {
  color: var(--fg-primary);
}

.hero-sample {
  min-width: 0;
}

/* ============================================================
   TABS — one component, two uses: the hero code sample and the
   "How it works" step strip. Buttons carry role=tab; panels carry
   role=tabpanel. Without JS every panel stays visible, stacked.
   ============================================================ */
.tabs {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.tablist {
  display: flex;
  gap: var(--space-3xs);
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  scrollbar-width: none;
}

.tablist::-webkit-scrollbar {
  display: none;
}

.tab {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  min-height: 40px;
  padding: 0 var(--space-xs);
  margin-bottom: -1px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--fg-dim);
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--dur-short) var(--ease-out),
    border-color var(--dur-short) var(--ease-out);
}

.tab:hover {
  color: var(--fg-primary);
}

.tab[aria-selected="true"] {
  color: var(--fg-primary);
  border-bottom-color: var(--link-accent);
}

/* !important on purpose: the per-use panel rules below set display:flex /
   display:grid at the same specificity, and hidden must always win */
.tabpanel[hidden] {
  display: none !important;
}

/* the crossfade — the only motion on the page besides state colour */
.tabpanel {
  animation: tab-in 150ms var(--ease-out);
}

@keyframes tab-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* the code sample: a typographic frame, not window chrome. The hero follows
   the active panel's height (the box is capped below, so the tall samples
   scroll inside it); a short panel leaves no reserved band under the copy */
.hero-sample .tabpanel {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.hero-sample pre {
  /* the box keeps the hero inside a 1280x800 fold; long samples scroll inside */
  max-height: 24rem;
  overflow: auto;
  margin: 0;
  padding: var(--space-md);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--fg-primary);
  tab-size: 2;
}

.hero-sample pre code {
  font-family: inherit;
  font-size: inherit;
  background: none;
  border: 0;
  padding: 0;
  display: block;
}

.sample-source {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--fg-dim);
}

/* ============================================================
   DEFINITION — "What is Nanook?" + the architecture figure
   ============================================================ */
.definition p {
  margin: 0;
  max-width: 60ch;
  font-size: var(--text-reading);
  line-height: 1.7;
  color: var(--fg-secondary);
}

.arch-figure {
  margin: var(--space-lg) 0 0;
  padding: var(--space-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  background-color: var(--bg-elevated);
}

.arch-figure img {
  display: block;
  width: 100%;
  height: auto;
  filter: var(--diagram-filter);
}

.arch-figure figcaption {
  margin-top: var(--space-xs);
  font-size: var(--text-xs);
  color: var(--fg-dim);
}

/* ============================================================
   CARDS — whole-card links, one container signal (hairline)
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-md);
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  padding: var(--space-md);
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  transition: border-color var(--dur-short) var(--ease-out);
}

.card:hover,
.card:focus-within {
  border-color: var(--border-bright);
}

.card h3 {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.3;
  color: var(--fg-primary);
}

.card p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--fg-secondary);
}

body[data-theme] .card-link {
  color: inherit;
}

.card-link::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-card);
}

.card:hover h3,
.card:focus-within h3 {
  color: var(--link-accent);
}

.card--wide {
  flex-direction: row;
  align-items: baseline;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.card--wide h3 {
  flex: 0 0 auto;
}

.card--wide p {
  flex: 1 1 20rem;
}

/* ============================================================
   HOW IT WORKS — F4 step sequence as a tab strip, link lists
   ============================================================ */
.steps .tabpanel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-md) var(--space-2xl);
  padding-top: var(--space-2xs);
}

.steps .tabpanel[hidden] {
  display: none;
}

.step-text {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-reading);
  line-height: 1.7;
  color: var(--fg-secondary);
}

.step-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step-links li {
  margin: 0;
  border-top: 1px solid var(--border-color);
}

.step-links li:last-child {
  border-bottom: 1px solid var(--border-color);
}

body[data-theme] .step-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  min-height: 44px;
  padding: var(--space-2xs) 0;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--fg-primary);
  text-decoration: none;
}

body[data-theme] .step-links a::after {
  content: '→';
  color: var(--fg-dim);
  transition: color var(--dur-short) var(--ease-out);
}

body[data-theme] .step-links a:hover {
  color: var(--link-accent);
}

body[data-theme] .step-links a:hover::after {
  color: var(--link-accent);
}

.step-links .step-kind {
  display: block;
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--fg-dim);
}

/* ============================================================
   USE CASES — uniform 3-up cards; the open card carries links
   ============================================================ */
.use-cases-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-md);
}

.use-case-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  padding: var(--space-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  background-color: var(--bg-elevated);
}

.use-case-card h3 {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.3;
  color: var(--fg-primary);
}

.use-case-card p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--fg-secondary);
}

.use-case-card--open {
  background-color: var(--bg-secondary);
  border-style: dashed;
}

/* ============================================================
   FAQ — quiet details rows
   ============================================================ */
.faq-list {
  display: flex;
  flex-direction: column;
  max-width: 48rem;
  border-top: 1px solid var(--border-color);
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  min-height: 56px;
  padding: var(--space-xs) 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--fg-primary);
  list-style: none;
  cursor: pointer;
  transition: color var(--dur-short) var(--ease-out);
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: '+';
  flex: 0 0 auto;
  width: 1.5rem;
  text-align: center;
  font-size: var(--text-md);
  font-weight: 400;
  color: var(--fg-dim);
}

.faq-item[open] .faq-question::after {
  content: '−';
}

.faq-question:hover {
  color: var(--link-accent);
}

.faq-answer {
  margin: 0;
  padding: 0 0 var(--space-md);
  max-width: var(--measure);
  font-size: var(--text-reading);
  line-height: 1.7;
  color: var(--fg-secondary);
}

/* ============================================================
   TRUST — T2 logo wall, hairline, monochrome
   ============================================================ */
.trust {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--gutter) var(--space-2xl);
}

.trust-inner {
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md) var(--space-xl);
}

.trust-label {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--fg-dim);
  flex: 0 0 auto;
}

.trust-logos {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.trust-logos img {
  height: 32px;
  width: auto;
  opacity: 0.55;
  filter: var(--trust-filter);
  transition: opacity var(--dur-short) var(--ease-out);
}

.trust-logos img[alt="invoice-api.xhub.io"] {
  height: 40px;
  filter: var(--trust-filter-alt);
}

.trust-logos a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  min-height: 44px;
}

.trust-logos a:hover img,
.trust-logos img:hover {
  opacity: 0.9;
}

.trust-logo-with-label samp {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--fg-primary);
  opacity: 0.55;
  transition: opacity var(--dur-short) var(--ease-out);
}

.trust-logo-with-label:hover samp {
  opacity: 0.9;
}

/* ============================================================
   FOOTER — the baked two-column index, restyled
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  transition: background-color var(--dur-long) var(--ease-out);
}

.footer-inner {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: clamp(2.5rem, 2rem + 2vw, 4rem) var(--gutter) var(--space-lg);
  display: grid;
  grid-template-columns: auto 1fr 1fr;
  gap: var(--space-xl);
}

.footer-logo a {
  display: inline-block;
}

.footer-logo img {
  width: 40px;
  height: auto;
  opacity: 0.8;
  filter: var(--logo-filter);
  transition: opacity var(--dur-short) var(--ease-out);
}

.footer-logo img:hover {
  opacity: 1;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xs);
}

.footer-heading {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--fg-dim);
  margin-bottom: var(--space-2xs);
}

body[data-theme] .footer-col a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: var(--text-sm);
  color: var(--fg-secondary);
  white-space: nowrap;
}

body[data-theme] .footer-col a:hover {
  color: var(--fg-primary);
}

.footer-copyright {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: var(--space-md) var(--gutter) var(--space-lg);
}

.footer-copyright samp {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--fg-dim);
}

body[data-theme] .footer-copyright a {
  color: var(--fg-dim);
}

body[data-theme] .footer-copyright a:hover {
  color: var(--fg-primary);
}

/* ============================================================
   COOKIE CONSENT BANNER — a card over a scrim
   ============================================================ */
.cookie-banner {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 5vh var(--gutter);
  padding: 5dvh var(--gutter);
  background: var(--overlay-scrim);
  overflow-y: auto;
}

.cookie-inner {
  max-width: 44rem;
  width: 100%;
  padding: var(--space-lg);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  color: var(--fg-primary);
}

.cookie-main {
  margin-bottom: var(--space-md);
}

.cookie-title {
  display: block;
  margin-bottom: var(--space-2xs);
  font-family: var(--font-body);
  font-size: var(--text-md);
  font-weight: 500;
  color: var(--fg-primary);
}

.cookie-text {
  margin: 0 0 var(--space-sm);
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--fg-secondary);
}

.cookie-actions {
  display: flex;
  gap: var(--space-2xs);
  flex-wrap: wrap;
}

.cookie-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 var(--space-sm);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-sm);
  background: transparent;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--fg-primary);
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out),
    border-color var(--dur-short) var(--ease-out),
    color var(--dur-short) var(--ease-out);
}

.cookie-accept {
  background: var(--fg-primary);
  border-color: var(--fg-primary);
  color: var(--bg-primary);
}

.cookie-accept:hover {
  background: var(--fg-secondary);
  border-color: var(--fg-secondary);
}

.cookie-save:hover,
.cookie-decline:hover {
  background: var(--bg-secondary);
  border-color: var(--fg-dim);
}

.cookie-categories {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

.cookie-category {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
}

.cookie-cat-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
}

.cookie-cat-info {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.cookie-cat-name {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--fg-primary);
}

.cookie-cat-badge {
  font-size: var(--text-xs);
  color: var(--fg-dim);
}

.cookie-expand {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: none;
  font-family: var(--font-body);
  font-size: var(--text-md);
  line-height: 1;
  color: var(--fg-dim);
  cursor: pointer;
  transition: color var(--dur-short) var(--ease-out),
    border-color var(--dur-short) var(--ease-out),
    transform var(--dur-short) var(--ease-in-out);
}

.cookie-expand:hover {
  color: var(--fg-primary);
  border-color: var(--border-bright);
}

.cookie-category.open .cookie-expand {
  transform: rotate(45deg);
}

.cookie-cat-details {
  display: none;
  padding: 0 var(--space-sm) var(--space-sm);
}

.cookie-category.open .cookie-cat-details {
  display: block;
}

.cookie-table {
  width: 100%;
  font-size: var(--text-xs);
  border-collapse: collapse;
}

.cookie-table td {
  padding: var(--space-3xs) var(--space-2xs);
  border-bottom: 1px solid var(--border-color);
  color: var(--fg-secondary);
  vertical-align: top;
}

.cookie-table td:first-child {
  width: 6rem;
  color: var(--fg-dim);
}

.cookie-table code {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  padding: 0.1em 0.3em;
}

/* Toggle switch */
.cookie-toggle {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
}

.cookie-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.cookie-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--border-bright);
  border-radius: 10px;
  transition: background-color var(--dur-short) var(--ease-out);
}

.cookie-slider::before {
  content: '';
  position: absolute;
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  border-radius: 7px;
  background: var(--bg-primary);
  transition: transform var(--dur-short) var(--ease-in-out);
}

.cookie-toggle input:checked + .cookie-slider {
  background: var(--fg-primary);
}

.cookie-toggle input:checked + .cookie-slider::before {
  transform: translateX(16px);
}

.cookie-toggle input:focus-visible + .cookie-slider {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.cookie-slider-locked {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================================
   DOCUSAURUS CONTENT PAGES — structural overrides (carried over)
   ============================================================ */
body[data-theme] .navPusher {
  background: var(--bg-primary);
  color: var(--fg-primary);
  min-height: 60vh;
  min-height: 60dvh;
}

body[data-theme] .docMainWrapper {
  background: var(--bg-primary);
  display: flex !important;
  gap: var(--space-xl);
  padding: var(--space-lg) 0 !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
  overflow: hidden !important;
}

body[data-theme] .navPusher,
body[data-theme] div.navPusher {
  max-width: var(--shell-max) !important;
  width: 100% !important;
  margin: 0 auto !important;
  padding: 0 var(--gutter) !important;
  overflow-x: hidden !important;
  box-sizing: border-box !important;
}

body[data-theme] .documentContainer {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: var(--space-lg) var(--gutter);
}

/* Let the flex children actually shrink so a pre can take over scrolling */
body[data-theme] .documentContainer,
body[data-theme] .docMainWrapper > * {
  min-width: 0;
}

/* Sidebar rail */
body[data-theme] .docsNavContainer {
  background: transparent;
  border-right: 1px solid var(--border-color);
  width: 260px !important;
  min-width: 260px !important;
  flex-shrink: 0 !important;
}

/* Desktop only: the sidebar is always open, so the breadcrumb toggle is hidden.
   Below 1025px these must NOT apply — Docusaurus' own #navToggler (already wired
   in every docs/blog page) needs the breadcrumb bar to be reachable. */
@media (min-width: 1025px) {
  body[data-theme] .toc .navBreadcrumb {
    display: none !important;
  }

  body[data-theme] .navGroups {
    display: block !important;
    padding: 0 var(--space-sm) 0 0 !important;
  }

  body[data-theme] .navGroup ul.hide {
    display: block !important;
  }
}

/* Mobile: the breadcrumb toggle bar */
@media (max-width: 1024px) {
  body[data-theme] .toc .navBreadcrumb {
    display: flex !important;
    align-items: center;
    gap: var(--space-2xs);
    min-height: 48px;
    padding: 0 var(--space-sm);
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    overflow: visible;
  }

  body[data-theme] .toc .navBreadcrumb h2 {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--fg-primary);
  }

  body[data-theme] .toc .navToggle {
    width: 44px;
    height: 44px;
    margin-right: 0;
    flex: 0 0 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

body[data-theme] .docsContainer {
  flex: 1 1 0% !important;
  min-width: 0 !important;
  max-width: none !important;
  padding: 0 !important;
  width: 100% !important;
}

body[data-theme] .container {
  max-width: 100% !important;
  width: 100% !important;
  padding: 0 !important;
}

body[data-theme] .wrapper {
  max-width: 100% !important;
  width: 100% !important;
  padding: 0 !important;
  box-sizing: border-box !important;
}

body[data-theme] .docMainWrapper.wrapper {
  padding: var(--space-lg) 0 !important;
  align-items: flex-start !important;
}

body[data-theme] .mainContainer {
  display: block !important;
  width: 100% !important;
  max-width: 100% !important;
  flex: 1 !important;
  box-sizing: border-box !important;
  background: var(--bg-primary) !important;
  color: var(--fg-primary) !important;
}

body[data-theme] .docsContainer .wrapper {
  max-width: 100% !important;
  padding: 0 !important;
  overflow-wrap: break-word;
  width: 100% !important;
}

body[data-theme] .docsContainer .post {
  max-width: 100% !important;
}

/* docs prose sits in a reading column; tables and code may run wider */
body[data-theme] .docsContainer .post {
  max-width: 52rem !important;
}

/* onPageNav — hide it, give space to content */
body[data-theme] .onPageNav {
  display: none !important;
}

/* #tocToggler toggles body.tocActive to reveal .onPageNav — removed above,
   so the control does nothing. A dead control is worse than none. */
.toc .toggleNav .navBreadcrumb .tocToggler {
  display: none;
}

/* --- Sidebar text --------------------------------------------------------- */
body[data-theme] .navGroupCategoryTitle,
body[data-theme] .toc .toggleNav .navGroup .navGroupCategoryTitle {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
  color: var(--fg-primary);
}

body[data-theme] .navGroupSubcategoryTitle,
body[data-theme] .toc .toggleNav .navGroup .navGroupSubcategoryTitle {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  color: var(--fg-dim);
}

body[data-theme] .navListItem {
  padding: 0;
  border-bottom: 0;
}

body[data-theme] .navItem,
body[data-theme] .toc .toggleNav ul li a {
  display: block;
  padding: var(--space-2xs) var(--space-xs);
  border-left: 0;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.4;
  color: var(--fg-secondary);
  transition: background-color var(--dur-short) var(--ease-out),
    color var(--dur-short) var(--ease-out);
}

body[data-theme] .navItem:hover,
body[data-theme] .toc .toggleNav ul li a:hover,
body[data-theme] .toc .toggleNav ul li a:focus {
  background-color: var(--bg-secondary);
  color: var(--fg-primary);
}

body[data-theme] .navListItemActive .navItem,
body[data-theme] .toc .toggleNav ul li.navListItemActive a {
  background-color: var(--bg-secondary);
  color: var(--fg-primary);
  font-weight: 500;
  box-shadow: inset 2px 0 0 var(--link-accent);
}

body[data-theme] .navItem .nav-date,
body[data-theme] .nav-date {
  display: block;
  font-size: var(--text-xs);
  color: var(--fg-dim);
  margin-bottom: var(--space-3xs);
  font-variant-numeric: tabular-nums;
}

body[data-theme] .toc .toggleNav,
body[data-theme] .navBreadcrumb a,
body[data-theme] .navBreadcrumb span {
  color: var(--fg-primary);
}

body[data-theme] .toc .toggleNav .navGroup h3 i:not(:empty) {
  color: var(--fg-dim);
}

/* The toggle carries TWO icon systems: Docusaurus' ::before/::after chevron-X
   from main.css, and a .hamburger-menu > .line1/2/3 markup. Drop the
   pseudo-elements, keep and theme the three lines. */
body[data-theme] .toc .toggleNav .navToggle:after,
body[data-theme] .toc .toggleNav .navToggle:before {
  display: none;
}

body[data-theme] .navToggle .hamburger-menu {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 18px;
  height: 44px;
  position: relative;
}

body[data-theme] .navToggle .hamburger-menu > div {
  width: 18px;
  height: 2px;
  background-color: var(--fg-primary);
  transition: transform var(--dur-short) var(--ease-in-out),
    opacity var(--dur-short) var(--ease-in-out);
}

.docsNavContainer.docsSliderActive .navToggle .hamburger-menu > div {
  position: absolute;
  top: 50%;
  left: 0;
  margin-top: -1px;
}

.docsNavContainer.docsSliderActive .navToggle .hamburger-menu .line1 {
  transform: rotate(45deg);
}

.docsNavContainer.docsSliderActive .navToggle .hamburger-menu .line2 {
  opacity: 0;
}

.docsNavContainer.docsSliderActive .navToggle .hamburger-menu .line3 {
  transform: rotate(-45deg);
}

/* --- Prose --------------------------------------------------------------- */
body[data-theme] .post {
  color: var(--fg-primary);
}

body[data-theme] .postHeaderTitle {
  color: var(--fg-primary);
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-2xl);
  line-height: 1.15;
  letter-spacing: -0.01em;
  font-optical-sizing: auto;
  border-bottom: 0;
  padding-bottom: 0;
}

body[data-theme] .post h2 {
  color: var(--fg-primary);
  font-family: var(--font-body);
  font-size: var(--text-title);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-top: var(--space-xl);
}

body[data-theme] .post h3 {
  color: var(--fg-primary);
  font-family: var(--font-body);
  font-size: var(--text-reading);
  font-weight: 600;
  line-height: 1.3;
}

body[data-theme] .post h4 {
  color: var(--fg-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
}

body[data-theme] .post p,
body[data-theme] .post li,
body[data-theme] .post blockquote {
  color: var(--fg-primary);
  font-family: var(--font-body);
  font-size: var(--text-reading);
  line-height: 1.7;
  max-width: var(--measure);
}

body[data-theme] .post strong {
  font-weight: 600;
}

/* main.css paints blockquotes Docusaurus-yellow with an 8px stripe */
body[data-theme] .post blockquote {
  margin-inline: 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-secondary);
  border: 0;
  border-left: 2px solid var(--border-bright);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--fg-secondary);
}

body[data-theme] .post blockquote p,
body[data-theme] .post blockquote li {
  color: var(--fg-secondary);
}

body[data-theme] .post a {
  color: var(--link-accent);
  text-decoration: underline;
  text-decoration-color: var(--link-underline);
  text-underline-offset: 3px;
  border-bottom: 0;
}

body[data-theme] .post a:hover {
  text-decoration-color: currentColor;
}

/* Docusaurus heading anchors are empty <a class="anchor"> scroll targets;
   titles are links too, but not prose links — no underline on either */
body[data-theme] .post a.anchor,
body[data-theme] .post .postHeaderTitle a,
body[data-theme] .post h2 a,
body[data-theme] .post h3 a {
  border-bottom: 0;
  text-decoration: none;
}

/* Code */
body[data-theme] .post pre,
body[data-theme] pre[class*="language-"] {
  background: var(--bg-secondary) !important;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--fg-primary);
  text-shadow: none;
}

body[data-theme] .post code,
body[data-theme] code[class*="language-"] {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  padding: 0.15em 0.4em;
  border: 0;
  color: var(--fg-primary);
  text-shadow: none;
}

body[data-theme] .post pre code,
body[data-theme] pre[class*="language-"] code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
}

/* prism tokens follow the system, not prism's default magenta */
body[data-theme] .token.comment,
body[data-theme] .token.prolog,
body[data-theme] .token.doctype,
body[data-theme] .token.cdata {
  color: var(--code-comment);
}

body[data-theme] .token.punctuation,
body[data-theme] .token.operator {
  color: var(--code-punct);
}

body[data-theme] .token.property,
body[data-theme] .token.tag,
body[data-theme] .token.boolean,
body[data-theme] .token.number,
body[data-theme] .token.constant,
body[data-theme] .token.symbol {
  color: var(--code-number);
}

body[data-theme] .token.selector,
body[data-theme] .token.attr-name,
body[data-theme] .token.string,
body[data-theme] .token.char,
body[data-theme] .token.builtin {
  color: var(--code-string);
}

body[data-theme] .token.atrule,
body[data-theme] .token.attr-value,
body[data-theme] .token.keyword {
  color: var(--code-keyword);
}

body[data-theme] .token.function,
body[data-theme] .token.class-name {
  color: var(--code-function);
}

body[data-theme] .token.operator,
body[data-theme] .token.entity,
body[data-theme] .token.url {
  background: none;
}

/* Tables */
body[data-theme] .post table {
  border-collapse: collapse;
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}

body[data-theme] .post th {
  background: var(--bg-secondary);
  color: var(--fg-dim);
  border: 1px solid var(--border-color);
  padding: var(--space-2xs) var(--space-xs);
  text-align: left;
  text-transform: none;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0;
}

body[data-theme] .post td {
  border: 1px solid var(--border-color);
  padding: var(--space-2xs) var(--space-xs);
  color: var(--fg-primary);
}

/* main.css ships GitHub's light zebra stripes (#f6f8fa / #dfe2e5); the
   cookie table sits on every page, so this is scoped to the theme */
body[data-theme] table tr {
  background-color: transparent;
  border-top: 1px solid var(--border-color);
}

body[data-theme] table tr:nth-child(2n) {
  background-color: var(--bg-secondary);
}

/* Images in docs */
body[data-theme] .post img {
  filter: var(--photo-filter);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin: var(--space-sm) 0;
  max-width: 100%;
  height: auto;
}

/* Prev/Next navigation */
body[data-theme] .docs-prevnext {
  border-top: 1px solid var(--border-color);
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
}

body[data-theme] .docs-prevnext a,
body[data-theme] .docs-prevnext .button,
body[data-theme] .blog-recent .button {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 var(--space-sm);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  color: var(--fg-primary);
  background: transparent;
  transition: background-color var(--dur-short) var(--ease-out),
    border-color var(--dur-short) var(--ease-out);
}

body[data-theme] .docs-prevnext a:hover,
body[data-theme] .docs-prevnext .button:hover,
body[data-theme] .blog-recent .button:hover {
  background: var(--bg-secondary);
  border-color: var(--fg-dim);
  color: var(--fg-primary);
}

/* Heading anchors were hover-only — focus and coarse pointers reveal them too */
body[data-theme] .hash-link-icon {
  fill: var(--fg-dim);
}

body[data-theme] h1:focus-within .hash-link,
body[data-theme] h2:focus-within .hash-link,
body[data-theme] h3:focus-within .hash-link,
body[data-theme] h4:focus-within .hash-link,
body[data-theme] .hash-link:focus-visible {
  opacity: 1 !important;
  transition: none;
}

@media (hover: none) {
  body[data-theme] .hash-link {
    opacity: 0.45;
  }
}

/* Legacy anchor-offset hack: main.css gives .postHeader/.postHeaderTitle a
   ::before spacer (height:200px; margin-top:-200px) that stretches the h1's
   box upward and swallows taps on the sidebar toggle. scroll-margin-top
   below does the same job properly. */
.docsContainer .wrapper .post .postHeader:before,
.docsContainer .wrapper .post .postHeaderTitle:before {
  display: none;
}

/* Sticky bar must not swallow anchor targets */
:target,
section[id],
h1[id],
h2[id],
h3[id],
h4[id] {
  scroll-margin-top: calc(var(--header-h) + var(--space-sm));
}

/* Grid blocks (legacy help markup, if any page still carries it) */
body[data-theme] .gridBlock .blockContent h2 {
  color: var(--fg-primary);
  font-family: var(--font-body);
  font-weight: 500;
}

body[data-theme] .gridBlock .blockContent p {
  color: var(--fg-secondary);
  font-family: var(--font-body);
  font-size: var(--text-sm);
}

body[data-theme] .blogContainer {
  background: var(--bg-primary);
  color: var(--fg-primary);
}

body[data-theme] .blogContainer .posts .post {
  border-bottom-color: var(--border-color);
}

body[data-theme] .post hr,
body[data-theme] .blogContainer hr {
  border: 0;
  border-top: 1px solid var(--border-color);
}

/* Blog diagrams are authored dark-first; light paper inverts them */
.blog-diagram {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--space-md) 0;
}

body[data-theme] .post img.blog-diagram {
  filter: var(--diagram-filter);
}

/* ============================================================
   BLOG — Index-First archive · Long Document posts (CSS over the
   baked markup; :has() scopes the two page types)
   ============================================================ */
.docMainWrapper:has(.posts) .mainContainer,
.docMainWrapper:has(.lonePost) .mainContainer {
  margin-inline: 0;
}

.docMainWrapper:has(.posts) .mainContainer > .wrapper {
  max-width: 58rem !important;
  margin-inline: auto !important;
}

.docMainWrapper:has(.lonePost) .mainContainer > .wrapper {
  max-width: 44rem !important;
  margin-inline: auto !important;
}

/* The index IS the index — the sidebar goes */
.docMainWrapper:has(.posts) .docsNavContainer {
  display: none;
}

.blog-index-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-lg);
  padding-block: var(--space-md) var(--space-md);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-2xs);
}

body[data-theme] .blog-index-label {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--fg-primary);
  margin-bottom: var(--space-2xs);
}

body[data-theme] .blog-index-desc {
  margin: 0;
  font-size: var(--text-base);
  color: var(--fg-secondary);
  max-width: var(--measure);
}

body[data-theme] .blog-index-feed {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--link-accent);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
}

.docMainWrapper:has(.posts) .posts .post {
  border-radius: 0;
  margin-bottom: 0;
  padding-block: var(--space-md);
}

.docMainWrapper:has(.posts) .postHeader {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-3xs) var(--space-md);
  margin-bottom: var(--space-2xs);
}

body[data-theme] .docMainWrapper:has(.posts) .postHeaderTitle {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-md);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0;
}

body[data-theme] .docMainWrapper:has(.posts) .postHeaderTitle a {
  color: var(--fg-primary);
}

body[data-theme] .docMainWrapper:has(.posts) .postHeaderTitle a:hover {
  color: var(--link-accent);
}

body[data-theme] .docMainWrapper:has(.posts) .post-meta {
  margin: 0 0 0 auto;
  font-size: var(--text-sm);
  color: var(--fg-dim);
  font-variant-numeric: tabular-nums;
}

.docMainWrapper:has(.posts) .authorBlock {
  display: none;
}

body[data-theme] .docMainWrapper:has(.posts) .post-content p {
  margin-block: 0;
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--fg-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.docMainWrapper:has(.posts) .post-content code {
  font-size: 0.9em;
}

/* Lead story: the newest entry carries the serif */
body[data-theme] .docMainWrapper:has(.posts) .posts .post:first-child .postHeaderTitle {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

.docMainWrapper:has(.posts) .posts .post:first-child {
  padding-block: var(--space-lg);
}

.docMainWrapper:has(.posts) .posts .post:first-child .post-content p {
  -webkit-line-clamp: 3;
}

/* Posts — the article leads; related posts follow it, open */
.docMainWrapper:has(.lonePost) {
  flex-direction: column;
}

.docMainWrapper:has(.lonePost) .docsNavContainer {
  order: 2;
  position: static !important;
  width: 100% !important;
  min-width: 0 !important;
  max-width: 44rem;
  height: auto !important;
  border-right: 0 !important;
  border-bottom: 0;
  background: transparent;
  margin-top: var(--space-md);
  margin-inline: auto;
  overflow: visible;
}

body[data-theme] .docMainWrapper:has(.lonePost) .navBreadcrumb {
  display: none !important;
}

body[data-theme] .docMainWrapper:has(.lonePost) .toc section .navGroups {
  display: block !important;
  padding: var(--space-sm) 0 0 !important;
  border-top: 1px solid var(--border-color);
}

.docMainWrapper:has(.lonePost) .navListItem.navListItemActive {
  display: none;
}

body[data-theme] .docMainWrapper:has(.lonePost) .toc .toggleNav .navGroup .navGroupCategoryTitle {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--fg-dim);
  margin-bottom: var(--space-2xs);
}

body[data-theme] .lonePost .postHeader {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-lg);
}

body[data-theme] .lonePost .postHeaderTitle {
  margin-bottom: var(--space-sm);
}

body[data-theme] .lonePost .postHeaderTitle a {
  color: var(--fg-primary);
}

body[data-theme] .lonePost .postHeaderTitle a:hover {
  color: var(--link-accent);
}

body[data-theme] .lonePost .post-meta,
body[data-theme] .lonePost p.post-meta,
body[data-theme] .lonePost .authorBlock p {
  margin: 0 0 var(--space-3xs);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--fg-dim);
  font-variant-numeric: tabular-nums;
}

/* Lede: the opening paragraph steps up one rung */
body[data-theme] .lonePost .post > div > span > p:first-of-type {
  font-size: var(--text-lede);
  line-height: 1.6;
  color: var(--fg-primary);
}

/* The strip already lists the archive; the lone "Recent Posts" button above it
   would say the same thing twice. */
.docMainWrapper:has(.lonePost) .blog-recent {
  display: none;
}

/* ============================================================
   HUBS — /docs/ · /docs/api/ · /help · /users
   Ecosystem Index in miniature: serif title + lead, then whole-card
   links in a 2-up grid. CSS-only over the .docs-hub row markup.
   ============================================================ */
.docs-hub {
  max-width: var(--page-max);
  margin-inline: auto;
  padding: var(--space-2xl) var(--gutter) var(--space-3xl);
}

.docs-hub-head {
  border-bottom: 0;
  padding-bottom: 0;
  margin-bottom: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

.docs-hub-head h1,
.docs-hub-head samp {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  text-transform: none;
  color: var(--fg-primary);
  font-optical-sizing: auto;
}

.docs-hub-head p {
  margin: 0;
  max-width: 36rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--fg-secondary);
}

/* the docs/api/help hubs wrap their rows in <nav>, the users page in <div> */
.docs-hub > nav,
.docs-hub > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-md);
  max-width: none;
  margin: 0;
}

body[data-theme] .docs-hub-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  padding: var(--space-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  background-color: var(--bg-elevated);
  color: inherit;
  transition: border-color var(--dur-short) var(--ease-out);
}

body[data-theme] .docs-hub-row:hover,
body[data-theme] .docs-hub-row:focus-visible {
  border-color: var(--border-bright);
}

.docs-hub-row h2 {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  line-height: 1.3;
  letter-spacing: 0;
  color: var(--fg-primary);
  transition: color var(--dur-short) var(--ease-out);
}

.docs-hub-row p {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--fg-secondary);
}

.docs-hub-row:hover h2 {
  color: var(--link-accent);
}

body[data-theme] .docs-hub-row:active {
  transform: translateY(1px);
}

/* Rows that carry a mark (Users): the mark sits left on a fixed plate */
body[data-theme] .docs-hub-row.has-logo {
  flex-direction: row;
  align-items: center;
  gap: var(--space-md);
}

.docs-hub-row .row-logo {
  flex: 0 0 8rem;
  display: flex;
  align-items: center;
  min-width: 0;
}

.docs-hub-row .row-text {
  flex: 1 1 auto;
  min-width: 0;
}

.docs-hub-row .row-logo img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 2.25rem;
  transition: filter var(--dur-short) var(--ease-out);
}

/* Marks are monochrome and ink-matched. data-ink names the source file:
   "dark"  = light fill authored for the dark theme;
   "light" = colour mark authored for white paper. */
body[data-theme="dark"] .row-logo img[data-ink="light"] {
  filter: grayscale(1) brightness(0) invert(0.81);
}

body[data-theme="light"] .row-logo img[data-ink="dark"] {
  filter: brightness(0.3);
}

body[data-theme="light"] .row-logo img[data-ink="light"] {
  filter: grayscale(1) brightness(0) invert(0.24);
}

.docs-hub-row.has-logo p {
  font-size: var(--text-sm);
  color: var(--fg-dim);
}

/* ============================================================
   LONG DOCUMENT — /about · /imprint · /privacyPolicy
   ============================================================ */
.long-doc {
  max-width: 44rem;
  margin-inline: auto;
  padding: var(--space-2xl) var(--gutter) var(--space-3xl);
}

.long-doc-head {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-lg);
}

.long-doc-head h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-2xl);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--fg-primary);
  font-optical-sizing: auto;
}

.long-doc h2 {
  margin: var(--space-xl) 0 var(--space-sm);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-title);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--fg-primary);
}

.long-doc-head + h2 {
  margin-top: 0;
}

.long-doc h3 {
  margin: var(--space-lg) 0 var(--space-2xs);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-reading);
  line-height: 1.3;
  color: var(--fg-primary);
}

.long-doc p,
.long-doc li {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-body);
  font-size: var(--text-reading);
  line-height: 1.7;
  color: var(--fg-primary);
  max-width: var(--measure);
  text-wrap: pretty;
}

.long-doc ul {
  margin: 0 0 var(--space-sm);
  padding-left: var(--space-md);
}

.long-doc li {
  margin-bottom: var(--space-3xs);
}

.long-doc .lede {
  font-size: var(--text-lede);
  line-height: 1.6;
  color: var(--fg-secondary);
}

.long-doc strong {
  font-weight: 600;
}

.long-doc .table-scroll {
  overflow-x: auto;
  margin: var(--space-sm) 0 var(--space-md);
}

.long-doc table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}

.long-doc th {
  padding: var(--space-2xs) var(--space-xs);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--fg-dim);
  font-size: var(--text-xs);
  font-weight: 500;
  text-align: left;
  white-space: nowrap;
}

.long-doc td {
  padding: var(--space-2xs) var(--space-xs);
  border: 1px solid var(--border-color);
  color: var(--fg-primary);
  vertical-align: top;
}

/* ============================================================
   404 — status line, serif figure in the brand red (slot 2 of 2)
   ============================================================ */
.notfound {
  max-width: var(--page-max);
  margin-inline: auto;
  padding: var(--space-3xl) var(--gutter);
}

body[data-theme] .notfound-status {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--fg-dim);
  margin-bottom: var(--space-sm);
}

body[data-theme] .notfound-code {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(4rem, 12vw, 7rem);   /* single 3-char figure */
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--brand);
  margin: 0 0 var(--space-md);
}

body[data-theme] .notfound-text {
  font-size: var(--text-reading);
  color: var(--fg-secondary);
  max-width: var(--measure);
  margin: 0 0 var(--space-lg);
}

.notfound-links {
  list-style: none;
  margin: 0;
  padding: var(--space-sm) 0 0;
  border-top: 1px solid var(--border-color);
}

.notfound-links li {
  margin: 0;
}

body[data-theme] .notfound-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: var(--text-base);
}

/* ============================================================
   RESPONSIVE — content-driven steps up from the single column
   ============================================================ */
@media (min-width: 40rem) {
  .card-grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card-grid--2 .card--wide {
    grid-column: 1 / -1;
  }

  .use-cases-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .docs-hub > nav,
  .docs-hub > div {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps .tabpanel {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    align-items: start;
  }
}

@media (min-width: 60rem) {
  .use-cases-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* --- Tablet and below: hero stacks, docs sidebar returns to the flow ---- */
@media (max-width: 60rem) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-xl);
    padding: var(--space-xl) var(--gutter) var(--space-lg);
  }

}

@media (max-width: 1024px) {
  body[data-theme] .docMainWrapper {
    flex-direction: column !important;
    gap: var(--space-md);
  }

  body[data-theme] .docsNavContainer {
    width: 100% !important;
    min-width: 100% !important;
    border-right: none !important;
    border-bottom: 0;
    /* main.css pins this fixed below 1023px; without the reset it overlays
       the article. Back into the flow, height driven by the toggle state. */
    position: relative !important;
    max-height: none;
    height: auto !important;
    overflow-y: visible;
    z-index: var(--z-sticky) !important;
  }

  /* Sidebar links are standalone targets, not inline prose */
  body[data-theme] .toc .toggleNav ul li a {
    display: flex;
    align-items: center;
    gap: var(--space-2xs);
    min-height: 44px;
  }

  body[data-theme] .docs-prevnext a {
    min-height: 44px;
  }
}

/* --- Phones: compact bar + drawer, single columns, tap targets ---------- */
@media (max-width: 640px) {
  :root {
    --header-h: 52px;
  }

  .header-inner {
    column-gap: var(--space-xs);
  }

  .site-logo img {
    height: 24px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
  }

  .site-header.nav-open .site-nav {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 12px 24px var(--shadow-drawer);
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-2xs) var(--space-sm);
  }

  .site-nav li {
    width: 100%;
  }

  body[data-theme] .site-nav a {
    display: flex;
    min-height: 44px;
    font-size: var(--text-base);
    color: var(--fg-primary);
    box-shadow: none;
  }

  body[data-theme] .site-nav a[aria-current="page"] {
    box-shadow: inset 2px 0 0 var(--link-accent);
    border-radius: var(--radius-sm);
  }

  .theme-toggle {
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
    padding-inline: var(--space-2xs);
  }

  .theme-toggle-label-dark,
  .theme-toggle-label-light {
    display: none;
  }

  .hero {
    padding: var(--space-lg) var(--gutter) var(--space-md);
  }

  .hero-actions {
    width: 100%;
  }

  .hero-actions .btn {
    flex: 1 1 auto;
  }

  .section {
    padding: var(--space-lg) var(--gutter) var(--space-xl);
  }

  .card--wide {
    flex-direction: column;
    align-items: stretch;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  body[data-theme] .footer-col a {
    min-height: 44px;
  }

  .cookie-banner {
    padding: 0 var(--space-sm);
  }

  .cookie-inner {
    padding: var(--space-md) var(--space-sm);
    border-radius: 0 0 var(--radius-card) var(--radius-card);
  }

  .cookie-actions {
    flex-wrap: wrap;
  }

  .cookie-btn {
    flex: 1 1 100%;
    min-height: 44px;
  }

  .cookie-cat-header {
    flex-wrap: wrap;
    gap: var(--space-2xs);
  }

  .cookie-expand {
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
  }

  .blog-index-head {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2xs);
  }

  .blog-index-feed {
    min-height: 0;
  }

  .docMainWrapper:has(.posts) .postHeader {
    flex-direction: column;
    align-items: flex-start;
  }

  body[data-theme] .docMainWrapper:has(.posts) .post-meta {
    margin-left: 0;
  }

  body[data-theme] .docMainWrapper:has(.posts) .posts .post:first-child .postHeaderTitle {
    font-size: var(--text-lg);
  }

  body[data-theme] .lonePost .postHeaderTitle,
  body[data-theme] .postHeaderTitle,
  .long-doc-head h1 {
    font-size: var(--text-xl);
  }

  .docs-hub,
  .long-doc {
    padding-block: var(--space-xl) var(--space-2xl);
  }
}

@media (max-width: 40rem) {
  /* three long step labels never fit one row on a phone — stack them, the
     marker moves to the left edge, nothing hides off-screen */
  .steps .tablist {
    flex-direction: column;
    border-bottom: 0;
    overflow: visible;
    gap: 0;
  }

  .steps .tab {
    justify-content: flex-start;
    margin-bottom: 0;
    padding-inline: var(--space-sm);
    border-bottom: 0;
    border-left: 2px solid transparent;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  }

  .steps .tab[aria-selected="true"] {
    border-left-color: var(--link-accent);
    background-color: var(--bg-secondary);
  }
}

@media (max-width: 480px) {
  /* Mark above name — the row never squeezes the name to two words a line */
  body[data-theme] .docs-hub-row.has-logo {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }
}

/* ============================================================
   LONG DOCUMENT — code, ordered lists, sub-heads, and the compact
   module nav of the generated 3.x API pages (tools/build-api-v3.py)
   ============================================================ */
.long-doc pre {
  margin: 0 0 var(--space-md);
  padding: var(--space-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--fg-primary);
  overflow-x: auto;
}

.long-doc code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  padding: 0.15em 0.4em;
  color: var(--fg-primary);
}

.long-doc pre code {
  background: none;
  padding: 0;
  font-size: inherit;
}

.long-doc ol {
  margin: 0 0 var(--space-sm);
  padding-left: var(--space-md);
}

.long-doc h4 {
  margin: var(--space-md) 0 var(--space-2xs);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  line-height: 1.3;
  color: var(--fg-primary);
  overflow-wrap: anywhere;
}

.long-doc blockquote {
  margin: 0 0 var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-secondary);
  border-left: 2px solid var(--border-bright);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--fg-secondary);
}

.long-doc hr {
  border: 0;
  border-top: 1px solid var(--border-color);
  margin: var(--space-lg) 0;
}

.api-kicker {
  margin: 0 0 var(--space-2xs);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--fg-dim);
}

.api-nav ul {
  list-style: none;
  margin: 0 0 var(--space-md);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3xs);
}

body[data-theme] .api-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 var(--space-xs);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--fg-secondary);
  text-decoration: none;
  white-space: nowrap;
}

body[data-theme] .api-nav a:hover {
  background-color: var(--bg-secondary);
  color: var(--fg-primary);
}

body[data-theme] .api-nav a[aria-current="page"] {
  color: var(--fg-primary);
  box-shadow: inset 0 -2px 0 var(--link-accent);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.long-doc p.provenance,
.long-doc ul.provenance,
.long-doc ul.provenance li {
  font-size: var(--text-sm);
  color: var(--fg-dim);
}

.long-doc ul.provenance {
  margin-bottom: var(--space-lg);
}

/* ============================================================
   REDUCED MOTION — the little that moves stops moving
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   LABEL FLOOR — nothing reads below 12px on any viewport
   ============================================================ */
.cookie-cat-badge,
.cookie-table,
.cookie-table code,
.sample-source,
.arch-figure figcaption,
.footer-copyright samp,
.step-links .step-kind,
body[data-theme] .navGroupSubcategoryTitle,
body[data-theme] .nav-date {
  font-size: var(--text-xs);
}