:root {
  --bg: #edf2f3;
  --surface: #ffffff;
  --surface-muted: #f6f9f8;
  --surface-strong: #e7efed;
  --ink: #15211d;
  --ink-soft: #33453e;
  --muted: #596a63;
  --line: #d4dfdb;
  --line-strong: #afc1ba;
  --teal: #0f766e;
  --teal-dark: #0a504a;
  --teal-soft: #e2f5ee;
  --blue: #2459a9;
  --blue-soft: #eaf1fc;
  --amber: #a64f08;
  --amber-soft: #fff5df;
  --rose: #ad2044;
  --rose-soft: #fff0f3;
  --code: #17231f;
  --code-ink: #e7f2ed;
  --max: 1240px;
  --header-height: 58px;
  --z-sticky: 20;
  --z-menu: 30;
  color: var(--ink);
  background: var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

body.nav-open {
  overflow: hidden;
}

a {
  color: var(--teal-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button,
input {
  font: inherit;
}

button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(36, 89, 169, 0.34);
  outline-offset: 3px;
}

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

code,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

code:not(pre code) {
  padding: 0.12em 0.34em;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: #263831;
  background: #f4f7f6;
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 8px 12px;
  border-radius: 6px;
  color: #ffffff;
  background: var(--teal-dark);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  height: var(--header-height);
  border-bottom: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.97);
}

.header-inner {
  display: flex;
  align-items: center;
  width: min(100% - 32px, var(--max));
  height: 100%;
  margin: 0 auto;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  color: var(--ink);
  text-decoration: none;
}

.site-brand img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.site-brand span {
  display: grid;
  line-height: 1.05;
}

.site-brand strong {
  font-size: 0.9rem;
}

.site-brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.63rem;
  font-weight: 650;
  white-space: nowrap;
}

.docs-search {
  position: relative;
  flex: 0 1 320px;
  min-width: 220px;
  max-width: 320px;
  margin-left: 28px;
}

.docs-search-control {
  position: relative;
  display: flex;
  align-items: center;
  height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--surface);
}

.docs-search-control:focus-within {
  border-color: var(--blue);
  outline: 2px solid rgba(36, 89, 169, 0.22);
  outline-offset: 1px;
}

.docs-search-control svg {
  position: absolute;
  left: 11px;
  width: 17px;
  height: 17px;
  fill: none;
  stroke: var(--muted);
  stroke-linecap: round;
  stroke-width: 1.7;
  pointer-events: none;
}

.docs-search-control input {
  width: 100%;
  height: 100%;
  padding: 0 54px 0 36px;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
  font-size: 0.78rem;
  font-weight: 650;
}

.docs-search-control input::placeholder {
  color: #52635c;
  opacity: 1;
}

.docs-search-control input::-webkit-search-cancel-button {
  cursor: pointer;
}

.docs-search-control > kbd {
  position: absolute;
  right: 7px;
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 6px;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--muted);
  background: var(--surface-muted);
  font-family: inherit;
  font-size: 0.64rem;
  font-weight: 760;
  pointer-events: none;
}

.docs-search-panel {
  position: absolute;
  top: calc(100% + 7px);
  left: 0;
  z-index: var(--z-menu);
  width: min(560px, calc(100vw - 32px));
  max-height: calc(100vh - var(--header-height) - 24px);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 6px 8px rgba(21, 33, 29, 0.14);
}

.docs-search-panel[hidden] {
  display: none;
}

.docs-search-status {
  min-height: 40px;
  padding: 11px 13px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 690;
}

.docs-search-status strong {
  color: var(--ink-soft);
}

.docs-search-results {
  max-height: min(520px, calc(100vh - var(--header-height) - 104px));
  margin: 0;
  padding: 0;
  overflow-y: auto;
  list-style: none;
}

.docs-search-results li + li {
  border-top: 1px solid var(--line);
}

.docs-search-result {
  display: grid;
  gap: 3px;
  min-height: 62px;
  padding: 10px 13px;
  color: var(--ink-soft);
  text-decoration: none;
}

.docs-search-result:hover,
.docs-search-result[aria-selected="true"] {
  color: var(--ink-soft);
  background: var(--teal-soft);
}

.docs-search-result[aria-selected="true"] {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}

.docs-search-result-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  min-width: 0;
}

.docs-search-result-heading strong {
  min-width: 0;
  overflow: hidden;
  color: var(--teal-dark);
  font-size: 0.78rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.docs-search-result-heading span {
  flex: 0 0 auto;
  max-width: 42%;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.65rem;
  font-weight: 680;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.docs-search-result p {
  margin: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.69rem;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.docs-search-result mark {
  padding: 0;
  color: inherit;
  background: #ccecdf;
  font-weight: 820;
}

.docs-search-hints {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 38px;
  padding: 8px 13px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: var(--surface-muted);
  font-size: 0.64rem;
}

.docs-search-hints[hidden] {
  display: none;
}

.docs-search-hints span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.docs-search-hints kbd {
  padding: 1px 5px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink-soft);
  background: var(--surface);
  font-family: inherit;
  font-size: 0.61rem;
  font-weight: 760;
}

.docs-search-skeleton {
  display: grid;
  gap: 8px;
  min-height: 62px;
  padding: 12px 13px;
  animation: search-pulse 1.1s ease-in-out infinite alternate;
}

.docs-search-skeleton span {
  display: block;
  width: 42%;
  height: 9px;
  border-radius: 3px;
  background: var(--surface-strong);
}

.docs-search-skeleton span:last-child {
  width: 74%;
  height: 7px;
}

@keyframes search-pulse {
  from { opacity: 0.62; }
  to { opacity: 1; }
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 10px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 760;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--teal-dark);
  background: var(--teal-soft);
}

.site-nav .nav-cta {
  margin-left: 6px;
  color: #ffffff;
  background: var(--teal-dark);
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta[aria-current="page"] {
  color: #ffffff;
  background: #063f3b;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink);
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle-lines,
.nav-toggle-lines::before,
.nav-toggle-lines::after {
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
  content: "";
}

.nav-toggle-lines {
  position: relative;
}

.nav-toggle-lines::before {
  position: absolute;
  top: -5px;
}

.nav-toggle-lines::after {
  position: absolute;
  top: 5px;
}

.page-shell {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  padding: 34px 0 64px;
}

.docs-layout {
  display: grid;
  grid-template-columns: 218px minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

.page-toc {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  display: grid;
  min-width: 0;
  gap: 12px;
}

.page-toc strong {
  color: var(--ink-soft);
  font-size: 0.73rem;
}

.page-toc nav {
  display: grid;
  gap: 2px;
  padding-left: 10px;
  border-left: 1px solid var(--line-strong);
}

.page-toc a {
  padding: 6px 8px;
  border-radius: 5px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 680;
  text-decoration: none;
}

.page-toc a:hover,
.page-toc a.active {
  color: var(--teal-dark);
  background: var(--teal-soft);
}

.page-content {
  min-width: 0;
}

.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
  align-items: end;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line-strong);
}

.page-hero.home-hero {
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 1.1fr);
  align-items: center;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 12px;
  color: var(--teal-dark);
  font-size: 0.75rem;
  font-weight: 820;
}

.hero-label::before {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--teal);
  content: "";
}

.page-hero h1 {
  max-width: 18ch;
  margin: 0;
  color: var(--ink);
  font-size: 3rem;
  line-height: 1.04;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.page-hero p {
  max-width: 66ch;
  margin: 15px 0 0;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.65;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  color: var(--ink-soft);
  background: var(--surface);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 820;
  text-decoration: none;
}

.button:hover {
  border-color: #7fa49a;
  color: var(--teal-dark);
  background: var(--teal-soft);
}

.button.primary {
  border-color: var(--teal-dark);
  color: #ffffff;
  background: var(--teal-dark);
}

.button.primary:hover {
  border-color: #063f3b;
  color: #ffffff;
  background: #063f3b;
}

.button.blue {
  border-color: var(--blue);
  color: #ffffff;
  background: var(--blue);
}

.hero-preview {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #dce6e8;
}

.hero-preview img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center top;
}

.hero-preview figcaption {
  padding: 8px 10px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: var(--surface);
  font-size: 0.7rem;
}

.hero-facts {
  display: grid;
  gap: 8px;
  min-width: 210px;
}

.hero-fact {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.76rem;
}

.hero-fact span {
  color: var(--muted);
}

.hero-fact strong {
  color: var(--ink-soft);
  text-align: right;
}

.content-section {
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-height) + 20px);
}

.content-section:last-child {
  border-bottom: 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.34fr) minmax(0, 0.66fr);
  gap: 30px;
  margin-bottom: 24px;
}

.section-heading h2 {
  margin: 0;
  color: var(--ink);
  font-size: 1.55rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.section-heading p {
  max-width: 70ch;
  margin: 0;
  color: var(--muted);
  font-size: 0.91rem;
  line-height: 1.65;
  text-wrap: pretty;
}

.task-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface);
}

.task-link {
  display: grid;
  gap: 9px;
  min-height: 178px;
  padding: 22px;
  color: var(--ink);
  text-decoration: none;
}

.task-link + .task-link {
  border-left: 1px solid var(--line);
}

.task-link:hover {
  color: var(--ink);
  background: var(--surface-muted);
}

.task-link .task-type {
  color: var(--teal-dark);
  font-size: 0.7rem;
  font-weight: 820;
}

.task-link h3 {
  margin: 0;
  font-size: 1.18rem;
}

.task-link p {
  max-width: 48ch;
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.task-link strong {
  align-self: end;
  color: var(--teal-dark);
  font-size: 0.76rem;
}

.feature-ledger {
  border-top: 1px solid var(--line-strong);
}

.feature-row {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr) 170px;
  gap: 24px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.feature-row h3 {
  margin: 0;
  font-size: 0.9rem;
}

.feature-row p {
  max-width: 70ch;
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.feature-row .feature-output {
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 760;
  text-align: right;
}

.flow-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface);
}

.flow-step {
  position: relative;
  display: grid;
  align-content: start;
  gap: 6px;
  min-width: 0;
  min-height: 108px;
  padding: 14px;
  border-right: 1px solid var(--line);
}

.flow-step:last-child {
  border-right: 0;
}

.flow-step span {
  color: var(--teal-dark);
  font-size: 0.68rem;
  font-weight: 850;
}

.flow-step strong {
  font-size: 0.82rem;
}

.flow-step small {
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.4;
}

.flow-step::after {
  position: absolute;
  top: 44px;
  right: -6px;
  z-index: 2;
  width: 11px;
  height: 11px;
  border-top: 1px solid var(--line-strong);
  border-right: 1px solid var(--line-strong);
  background: var(--surface);
  content: "";
  transform: rotate(45deg);
}

.flow-step:last-child::after {
  display: none;
}

.info-band {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  padding: 16px;
  border: 1px solid #c8d5d1;
  border-radius: 8px;
  color: var(--ink-soft);
  background: var(--surface-strong);
}

.info-band.warning {
  border-color: #e8c982;
  background: var(--amber-soft);
}

.info-band.limit {
  border-color: #e4aabb;
  background: var(--rose-soft);
}

.info-icon {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  color: #ffffff;
  background: var(--teal-dark);
  font-size: 0.76rem;
  font-weight: 900;
}

.warning .info-icon { background: var(--amber); }
.limit .info-icon { background: var(--rose); }

.info-band strong {
  display: block;
  margin-bottom: 3px;
  font-size: 0.82rem;
}

.info-band p {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.5;
}

.reference-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface);
}

.reference-list a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  padding: 13px 15px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 760;
  text-decoration: none;
}

.reference-list a:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.reference-list a:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.reference-list a:hover {
  color: var(--teal-dark);
  background: var(--teal-soft);
}

.reference-list span:last-child {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 650;
}

.diagram-frame {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
}

.diagram-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  background: var(--surface-muted);
  font-size: 0.74rem;
  font-weight: 820;
}

.diagram-title span:last-child {
  color: var(--muted);
  font-size: 0.67rem;
  font-weight: 650;
}

.context-map {
  display: grid;
  grid-template-columns: minmax(160px, 0.7fr) minmax(300px, 1.4fr) minmax(180px, 0.8fr);
  gap: 26px;
  align-items: center;
  padding: 28px;
}

.diagram-column {
  display: grid;
  gap: 12px;
}

.diagram-node {
  position: relative;
  display: grid;
  gap: 4px;
  min-height: 72px;
  padding: 13px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--surface);
}

.diagram-node.frontend {
  border-color: #8fc3b4;
  background: var(--teal-soft);
}

.diagram-node.engine {
  border-color: #9eb9e2;
  background: var(--blue-soft);
}

.diagram-node.data {
  border-color: #e4c279;
  background: var(--amber-soft);
}

.diagram-node.core {
  border-color: #dfa5b5;
  background: var(--rose-soft);
}

.diagram-node strong {
  font-size: 0.79rem;
}

.diagram-node span {
  color: var(--muted);
  font-size: 0.69rem;
  line-height: 1.35;
}

.diagram-arrow-right::after,
.diagram-arrow-left::before {
  position: absolute;
  top: 50%;
  width: 26px;
  border-top: 1px solid var(--line-strong);
  content: "";
}

.diagram-arrow-right::after { right: -27px; }
.diagram-arrow-left::before { left: -27px; }

.runtime-stack {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 18px;
}

.stack-column {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface-muted);
}

.stack-column > h3 {
  margin: 0 0 3px;
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.stack-unit {
  display: grid;
  gap: 3px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.stack-unit strong {
  font-size: 0.72rem;
}

.stack-unit span {
  color: var(--muted);
  font-size: 0.65rem;
  line-height: 1.35;
}

.sequence-list {
  display: grid;
  gap: 14px;
}

.sequence {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
}

.sequence header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-muted);
}

.sequence h3 {
  margin: 0;
  font-size: 0.84rem;
}

.sequence header span {
  color: var(--muted);
  font-size: 0.68rem;
}

.sequence-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.sequence-step {
  position: relative;
  min-width: 0;
  padding: 13px;
  border-right: 1px solid var(--line);
}

.sequence-step:last-child {
  border-right: 0;
}

.sequence-step strong,
.sequence-step span {
  display: block;
}

.sequence-step strong {
  margin-bottom: 4px;
  color: var(--teal-dark);
  font-size: 0.69rem;
}

.sequence-step span {
  color: var(--ink-soft);
  font-size: 0.7rem;
  line-height: 1.4;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.76rem;
}

th,
td {
  padding: 11px 13px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--ink-soft);
  background: var(--surface-muted);
  font-size: 0.68rem;
  font-weight: 850;
}

tr:last-child td {
  border-bottom: 0;
}

td {
  color: var(--muted);
}

td strong {
  color: var(--ink-soft);
}

.split-content {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.text-panel {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
}

.text-panel h3 {
  margin: 0 0 8px;
  font-size: 0.88rem;
}

.text-panel p,
.text-panel li {
  color: var(--muted);
  font-size: 0.78rem;
}

.text-panel p {
  margin: 0;
}

.text-panel ul,
.check-list {
  margin: 10px 0 0;
  padding-left: 18px;
}

.text-panel li + li,
.check-list li + li {
  margin-top: 6px;
}

.install-choice {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: 16px;
}

.install-primary,
.install-secondary {
  min-width: 0;
  padding: 20px;
  border-radius: 8px;
}

.install-primary {
  border: 1px solid #82b7aa;
  background: var(--teal-soft);
}

.install-secondary {
  border: 1px solid var(--line-strong);
  background: var(--surface);
}

.install-choice h3 {
  margin: 0;
  font-size: 1rem;
}

.install-choice p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.install-choice .hero-actions {
  margin-top: 14px;
}

.code-block {
  position: relative;
  overflow: hidden;
  margin: 14px 0 0;
  border: 1px solid #263832;
  border-radius: 8px;
  background: var(--code);
}

.code-block pre {
  margin: 0;
  padding: 16px 64px 16px 16px;
  overflow-x: auto;
  color: var(--code-ink);
  font-size: 0.72rem;
  line-height: 1.6;
}

.copy-button {
  position: absolute;
  top: 8px;
  right: 8px;
  min-width: 46px;
  min-height: 28px;
  border: 1px solid #52675f;
  border-radius: 5px;
  color: #d8e7e0;
  background: #22332d;
  cursor: pointer;
  font-size: 0.65rem;
  font-weight: 800;
}

.copy-button:hover {
  border-color: #8db3a7;
  background: #2b423a;
}

.command-caption {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.7rem;
}

.workflow {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  border-top: 1px solid var(--line-strong);
}

.workflow + .workflow {
  margin-top: 26px;
}

.workflow-name {
  padding: 18px 18px 18px 0;
}

.workflow-name span {
  display: block;
  margin-bottom: 5px;
  color: var(--teal-dark);
  font-size: 0.67rem;
  font-weight: 850;
}

.workflow-name h3 {
  margin: 0;
  font-size: 0.9rem;
}

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-left: 1px solid var(--line);
}

.workflow-step {
  min-width: 0;
  padding: 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.workflow-step:nth-child(3n) {
  border-right: 0;
}

.workflow-step span {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-bottom: 9px;
  border-radius: 5px;
  color: #ffffff;
  background: var(--teal-dark);
  font-size: 0.65rem;
  font-weight: 900;
}

.workflow-step strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.75rem;
}

.workflow-step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.45;
}

.faq-list {
  display: grid;
  gap: 8px;
}

.faq-list details {
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--surface);
}

.faq-list summary {
  position: relative;
  padding: 13px 42px 13px 14px;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 0.79rem;
  font-weight: 790;
  list-style: none;
}

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

.faq-list summary::after {
  position: absolute;
  top: 13px;
  right: 15px;
  color: var(--teal-dark);
  content: "+";
  font-size: 1rem;
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-answer {
  padding: 0 14px 14px;
  color: var(--muted);
  font-size: 0.76rem;
}

.faq-answer p {
  margin: 0;
}

.reference-hero {
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line-strong);
}

.reference-hero h1 {
  max-width: 18ch;
  margin: 0;
  font-size: 3rem;
  line-height: 1.04;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.reference-hero p {
  max-width: 70ch;
  margin: 15px 0 0;
  color: var(--ink-soft);
  font-size: 1rem;
}

.reference-toc > ul,
.reference-toc nav > ul,
.reference-toc nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.reference-toc > ul {
  display: grid;
  gap: 2px;
  padding-left: 10px;
  border-left: 1px solid var(--line-strong);
}

.reference-toc li + li {
  margin-top: 2px;
}

.reference-toc ul ul {
  margin: 3px 0 6px 10px;
  padding-left: 7px;
  border-left: 1px solid var(--line);
}

.reference-toc ul ul a {
  font-size: 0.68rem;
  font-weight: 620;
}

.prose {
  padding-top: 18px;
  color: var(--ink-soft);
  font-size: 0.88rem;
  overflow-wrap: anywhere;
}

.prose > h2 {
  margin: 44px 0 12px;
  padding-top: 8px;
  border-top: 1px solid var(--line-strong);
  color: var(--ink);
  font-size: 1.55rem;
  line-height: 1.2;
}

.prose > h2:first-child {
  margin-top: 18px;
}

.prose h3 {
  margin: 28px 0 9px;
  color: var(--ink);
  font-size: 1.08rem;
  line-height: 1.3;
}

.prose h4 {
  margin: 22px 0 8px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.prose p,
.prose li {
  line-height: 1.7;
}

.prose p {
  max-width: 82ch;
  margin: 0 0 12px;
}

.prose ul,
.prose ol {
  max-width: 82ch;
  margin: 10px 0 18px;
  padding-left: 22px;
}

.prose li + li {
  margin-top: 5px;
}

.prose blockquote {
  margin: 18px 0;
  padding: 14px 16px;
  border-left: 3px solid var(--teal);
  color: var(--ink-soft);
  background: var(--teal-soft);
}

.prose blockquote p:last-child {
  margin-bottom: 0;
}

.prose table {
  display: block;
  max-width: 100%;
  margin: 16px 0 24px;
  overflow-x: auto;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
}

.prose thead,
.prose tbody {
  display: table;
  width: 100%;
  min-width: 620px;
  table-layout: auto;
}

.prose img {
  width: auto;
  max-height: 680px;
  margin: 16px auto 24px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
}

.prose hr {
  margin: 36px 0;
  border: 0;
  border-top: 1px solid var(--line-strong);
}

.prose .math {
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
}

.prose .math.display {
  display: block;
  max-width: 100%;
  margin: 18px 0;
  padding: 14px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
  text-align: center;
}

.generated-code {
  margin: 14px 0 20px;
}

.site-footer {
  border-top: 1px solid var(--line-strong);
  background: var(--surface);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(100% - 32px, var(--max));
  min-height: 76px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 0.72rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--teal-dark);
}

@media (max-width: 960px) {
  .page-hero.home-hero {
    grid-template-columns: 1fr;
  }

  .hero-preview {
    max-width: 720px;
  }

  .docs-layout {
    grid-template-columns: 1fr;
  }

  .page-toc {
    position: static;
    padding: 12px;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    background: var(--surface);
  }

  .page-toc nav {
    display: flex;
    max-width: 100%;
    gap: 4px;
    overflow-x: auto;
    padding: 0;
    border: 0;
  }

  .page-toc a {
    flex: 0 0 auto;
    border: 1px solid var(--line);
  }

  .reference-toc {
    overflow: hidden;
  }

  .reference-toc > ul {
    display: flex;
    max-width: 100%;
    gap: 4px;
    overflow-x: auto;
    padding: 0;
    border: 0;
  }

  .reference-toc > ul li,
  .reference-toc nav > ul,
  .reference-toc nav li {
    display: contents;
  }

  .reference-toc > ul ul,
  .reference-toc nav ul ul {
    display: contents;
    margin: 0;
    padding: 0;
    border: 0;
  }

  .reference-toc a {
    flex: 0 0 auto;
    border: 1px solid var(--line);
  }

  .context-map {
    grid-template-columns: 1fr;
  }

  .diagram-arrow-right::after,
  .diagram-arrow-left::before {
    display: none;
  }

  .runtime-stack {
    grid-template-columns: 1fr;
  }

  .workflow {
    grid-template-columns: 130px minmax(0, 1fr);
  }

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

  .workflow-step:nth-child(3n) {
    border-right: 1px solid var(--line);
  }

  .workflow-step:nth-child(2n) {
    border-right: 0;
  }
}

@media (max-width: 1120px) and (min-width: 901px) {
  .site-brand small {
    display: none;
  }

  .docs-search {
    max-width: 270px;
    margin-left: 18px;
  }

  .site-nav a {
    padding-right: 7px;
    padding-left: 7px;
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 106px;
  }

  .header-inner {
    flex-wrap: wrap;
    align-content: center;
    column-gap: 10px;
    width: min(100% - 24px, var(--max));
    padding: 7px 0;
  }

  .site-brand small {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .docs-search {
    order: 3;
    flex: 0 0 100%;
    min-width: 0;
    max-width: none;
    margin: 0;
  }

  .docs-search-control {
    height: 40px;
  }

  .docs-search-panel {
    right: 0;
    left: 0;
    width: 100%;
    max-height: calc(100vh - var(--header-height) - 12px);
  }

  .docs-search-results {
    max-height: calc(100vh - var(--header-height) - 58px);
  }

  .docs-search-hints {
    display: none;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    z-index: var(--z-menu);
    display: none;
    align-items: stretch;
    padding: 10px 12px 16px;
    border-bottom: 1px solid var(--line-strong);
    background: var(--surface);
  }

  body.nav-open .site-nav {
    display: grid;
  }

  .site-nav a {
    min-height: 42px;
  }

  .site-nav .nav-cta {
    margin: 4px 0 0;
  }
}

@media (max-width: 760px) {
  :root {
    --header-height: 106px;
  }

  .header-inner,
  .page-shell,
  .footer-inner {
    width: min(100% - 24px, var(--max));
  }

  .site-brand small {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    z-index: var(--z-menu);
    display: none;
    align-items: stretch;
    padding: 10px 12px 16px;
    border-bottom: 1px solid var(--line-strong);
    background: var(--surface);
  }

  body.nav-open .site-nav {
    display: grid;
  }

  .site-nav a {
    min-height: 42px;
  }

  .site-nav .nav-cta {
    margin: 4px 0 0;
  }

  .page-shell {
    padding-top: 24px;
  }

  .page-hero,
  .section-heading {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .page-hero h1 {
    font-size: 2.25rem;
  }

  .reference-hero h1 {
    font-size: 2.25rem;
  }

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

  .content-section {
    padding: 38px 0;
  }

  .task-links,
  .split-content,
  .install-choice,
  .reference-list {
    grid-template-columns: 1fr;
  }

  .task-link + .task-link {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .reference-list a,
  .reference-list a:nth-child(odd),
  .reference-list a:nth-last-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .reference-list a:last-child {
    border-bottom: 0;
  }

  .feature-row {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .feature-row .feature-output {
    text-align: left;
  }

  .flow-strip {
    grid-template-columns: 1fr;
  }

  .flow-step {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .flow-step:last-child {
    border-bottom: 0;
  }

  .flow-step::after {
    display: none;
  }

  .sequence header {
    display: grid;
  }

  .sequence-steps {
    grid-template-columns: 1fr;
  }

  .sequence-step {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .sequence-step:last-child {
    border-bottom: 0;
  }

  .workflow {
    grid-template-columns: 1fr;
  }

  .workflow-name {
    padding-right: 0;
  }

  .workflow-steps {
    grid-template-columns: 1fr;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .workflow-step,
  .workflow-step:nth-child(2n),
  .workflow-step:nth-child(3n) {
    border-right: 0;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }
}

@media (max-width: 420px) {
  .docs-search-control > kbd {
    display: none;
  }

  .docs-search-control input {
    padding-right: 12px;
  }

  .page-hero h1 {
    font-size: 2rem;
  }

  .reference-hero h1 {
    font-size: 2rem;
  }

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

  .context-map,
  .runtime-stack {
    padding: 12px;
  }

  .code-block pre {
    padding-right: 16px;
    padding-top: 48px;
  }
}

@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;
  }
}