:root {
  color-scheme: dark;
  --page: #111216;
  --surface: #181a20;
  --surface-raised: #20232a;
  --text: #f4f1e9;
  --muted: #b8b5ad;
  --quiet: #8c9099;
  --gold: #efc45b;
  --gold-strong: #ffd77b;
  --green: #58c985;
  --red: #f17868;
  --blue: #72aee6;
  --line: #30333b;
  --line-strong: #454955;
  --header-height: 68px;
  --sidebar-width: 248px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open { overflow: hidden; }

::selection {
  background: rgba(239, 196, 91, 0.28);
  color: var(--text);
}

a {
  color: var(--gold);
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
}

a:hover { color: var(--gold-strong); }

:where(a, button, input, summary):focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

button, input { font: inherit; }

code, kbd {
  font-family: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
}

code {
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface-raised);
  color: var(--gold-strong);
  white-space: nowrap;
}

main kbd {
  display: inline-block;
  min-width: 24px;
  padding: 1px 6px;
  border: 1px solid var(--line-strong);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: var(--surface-raised);
  color: var(--text);
  font-size: 0.78rem;
  line-height: 1.45;
  text-align: center;
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  transform: translateY(-150%);
  padding: 8px 12px;
  border-radius: 4px;
  background: var(--gold);
  color: #171208;
  font-weight: 700;
}

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

.site-header {
  position: fixed;
  z-index: 50;
  inset: 0 0 auto;
  height: var(--header-height);
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(260px, 680px) 1fr;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(17, 18, 22, 0.96);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  line-height: 1.15;
}

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

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 6px;
}

.brand span { display: grid; gap: 2px; }
.brand strong { font-size: 0.95rem; }
.brand small { color: var(--muted); font-size: 0.75rem; }

.header-search { position: relative; }

.header-search input {
  width: 100%;
  height: 40px;
  padding: 0 44px 0 42px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  outline: none;
  background: var(--surface);
  color: var(--text);
}

.header-search input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(239, 196, 91, 0.14);
}

.header-search input::placeholder { color: var(--quiet); }

.search-icon {
  position: absolute;
  z-index: 1;
  left: 15px;
  top: 11px;
  width: 15px;
  height: 15px;
  border: 2px solid var(--muted);
  border-radius: 50%;
  pointer-events: none;
}

.search-icon::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 2px;
  right: -6px;
  bottom: -3px;
  background: var(--muted);
  transform: rotate(45deg);
}

.header-search kbd {
  position: absolute;
  right: 10px;
  top: 9px;
  min-width: 23px;
  height: 23px;
  padding: 1px 6px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  color: var(--quiet);
  font-size: 0.75rem;
  text-align: center;
  pointer-events: none;
}

.search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  max-height: min(480px, calc(100vh - 100px));
  overflow-y: auto;
  padding: 6px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface-raised);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.42);
}

.search-results a {
  display: block;
  padding: 9px 10px;
  border-radius: 4px;
  color: var(--text);
  text-decoration: none;
}

.search-results a:hover, .search-results a:focus {
  outline: none;
  background: rgba(239, 196, 91, 0.12);
}

.search-results strong { display: block; font-size: 0.9rem; }
.search-results span { display: block; color: var(--muted); font-size: 0.78rem; }
.search-empty { margin: 0; padding: 14px 12px; color: var(--muted); }

.header-links {
  display: flex;
  justify-content: flex-end;
  gap: 20px;
}

.header-links a {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 650;
  text-decoration: none;
}

.header-links a:hover { color: var(--text); }

.menu-button {
  display: none;
  width: 40px;
  height: 40px;
  padding: 9px;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: var(--surface);
}

.menu-button span {
  display: block;
  height: 2px;
  margin: 4px 0;
  background: var(--text);
}

.help-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  min-height: 100vh;
  padding-top: var(--header-height);
}

.sidebar {
  position: fixed;
  top: var(--header-height);
  bottom: 0;
  left: 0;
  width: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 24px 18px;
  border-right: 1px solid var(--line);
  background: #141519;
}

.sidebar nav { display: grid; gap: 2px; }

.sidebar nav > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 38px;
  padding: 7px 10px;
  border-left: 2px solid transparent;
  border-radius: 0 4px 4px 0;
  color: var(--muted);
  font-size: 0.88rem;
  text-decoration: none;
}

.sidebar nav > a:hover,
.sidebar nav > a.active {
  border-left-color: var(--gold);
  background: rgba(239, 196, 91, 0.08);
  color: var(--text);
}

.sidebar nav > a.active { font-weight: 700; }

.nav-label {
  margin: 22px 10px 5px;
  color: var(--quiet);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

.nav-label:first-child { margin-top: 0; }

.nav-badge, .status-badge {
  padding: 1px 6px;
  border: 1px solid rgba(114, 174, 230, 0.45);
  border-radius: 4px;
  color: #a9d2f7;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
}

.sidebar-support {
  margin-top: auto;
  padding: 16px 10px 4px;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
}

.sidebar-support p { margin: 4px 0 8px; color: var(--muted); }

main {
  grid-column: 2;
  width: min(100%, 1120px);
  padding: 0 64px;
}

.hero-section, .guide-section {
  position: relative;
}

.hero-section::after, .guide-section::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 72px;
  height: 2px;
  background: var(--gold);
}

.hero-section { padding: 82px 0 72px; }
.guide-section { padding: 64px 0; }

.eyebrow {
  margin: 0 0 9px;
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1, h2, h3, p { overflow-wrap: anywhere; }

h1 {
  max-width: 780px;
  margin: 0 0 20px;
  font-size: 3.75rem;
  line-height: 1.02;
  letter-spacing: 0;
}

h1.page-title {
  margin-bottom: 12px;
  font-size: 2.35rem;
  line-height: 1.12;
}

h2 {
  margin: 0 0 12px;
  font-size: 2.35rem;
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  letter-spacing: 0;
}

p { margin: 0 0 16px; }

.hero-copy {
  max-width: 790px;
  color: var(--muted);
  font-size: 1.14rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin: 28px 0 38px;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 9px 15px;
  border: 1px solid var(--gold);
  border-radius: 5px;
  background: var(--gold);
  color: #19140a;
  font-weight: 750;
  text-decoration: none;
}

.primary-button:hover { background: var(--gold-strong); color: #19140a; }
.text-link { font-weight: 650; }

.scope-note {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  max-width: 790px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.scope-note strong { color: var(--green); }
.scope-note span { color: var(--muted); }

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-heading > p:last-child {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.7;
}
.heading-line { display: flex; align-items: center; gap: 9px; }
.heading-line .eyebrow { margin-bottom: 9px; }

.workflow {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.workflow li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.workflow p { margin: 3px 0 0; color: var(--muted); }

.step-number {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 800;
}

.guide-figure {
  position: relative;
  margin: 34px 0 0;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  overflow: hidden;
  background: var(--surface);
}

.guide-figure img { display: block; width: 100%; height: auto; }

.image-link {
  position: relative;
  display: block;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
}

.image-link img {
  transition: opacity 140ms ease;
}

.image-link:hover img,
.image-link:focus-visible img {
  opacity: 0.9;
}

.image-link:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--gold);
}

.image-action {
  position: absolute;
  right: 10px;
  top: 10px;
  padding: 5px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: rgba(17, 18, 22, 0.94);
  color: var(--text);
  font-size: 0.72rem;
  font-weight: 750;
  line-height: 1.35;
  opacity: 0;
  transform: translateY(-3px);
  transition: opacity 140ms ease, transform 140ms ease;
}

.image-link:hover .image-action,
.image-link:focus-visible .image-action {
  opacity: 1;
  transform: translateY(0);
}

.guide-figure figcaption {
  padding: 11px 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

.narrow-figure {
  width: min(100%, 760px);
}

.mechanic-figure {
  margin: 18px 0 24px;
}

.popup-figure {
  width: min(100%, 263px);
  margin-top: 18px;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.topic-grid.three-up { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.topic-grid article {
  min-height: 144px;
  padding: 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.topic-grid h3 { color: var(--text); }
.topic-grid p { margin: 0; color: var(--muted); font-size: 0.92rem; }

.setting-table { margin-top: 28px; border-top: 1px solid var(--line); }

.setting-row {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 20px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.setting-row strong { line-height: 1.45; }
.setting-row span { color: var(--muted); }

.setting-table.labeled .setting-row { grid-template-columns: 190px minmax(0, 1fr); }

.split-guide {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1.15fr);
  gap: 34px;
}

.split-guide.align-center { align-items: center; }
.compact-figure { margin: 0; }

.compact-steps { margin: 0; padding-left: 20px; }
.compact-steps li { margin-bottom: 13px; padding-left: 5px; color: var(--muted); }
.compact-steps strong { color: var(--text); }

.caution-note {
  margin-top: 28px;
  padding: 15px 17px;
  border-left: 3px solid var(--gold);
  background: rgba(239, 196, 91, 0.07);
}

.caution-note p { margin: 4px 0 0; color: var(--muted); }

.source-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.source-compare article { padding: 20px; background: var(--surface); }
.source-compare p { margin: 0; color: var(--muted); }

.source-label {
  display: inline-block;
  margin-bottom: 16px;
  padding: 2px 7px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
}

.subheading { margin-top: 34px; }
.first-subheading { margin-top: 0; }

.compact-table { margin-top: 24px; }
.compact-table .setting-row { grid-template-columns: 130px minmax(0, 1fr); }

.compact-workflow { margin-top: 0; }
.compact-workflow li { padding: 14px 0; }

.mechanic-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 13px 0 18px;
}

.mechanic-list span {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.86rem;
}

.mechanic-list b { margin-right: 5px; color: var(--gold); }
.muted-line { color: var(--muted); font-size: 0.9rem; }

.mechanic-help-list {
  margin-top: 22px;
  border-top: 1px solid var(--line);
}

.mechanic-help-list details { border-bottom: 1px solid var(--line); }

.mechanic-help-list summary {
  position: relative;
  padding: 15px 42px 15px 0;
  cursor: pointer;
  list-style: none;
}

.mechanic-help-list summary:hover,
.faq-list summary:hover {
  color: var(--gold-strong);
}

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

.mechanic-help-list summary::after {
  content: "+";
  position: absolute;
  right: 8px;
  top: 10px;
  color: var(--gold);
  font-size: 1.35rem;
  font-weight: 400;
}

.mechanic-help-list details[open] summary::after { content: "−"; }

.mechanic-help-list summary b {
  display: inline-block;
  min-width: 30px;
  margin-right: 7px;
  color: var(--gold);
}

.mechanic-help-list details p {
  max-width: 850px;
  margin: -1px 0 18px;
  color: var(--muted);
}

.inline-command {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.privacy-list { border-top: 1px solid var(--line); }

.privacy-list > div {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.privacy-list p { margin: 0; color: var(--muted); }

.faq-list { border-top: 1px solid var(--line); }

.faq-list details { border-bottom: 1px solid var(--line); }

.faq-list summary {
  position: relative;
  padding: 17px 42px 17px 0;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

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

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 8px;
  top: 12px;
  color: var(--gold);
  font-size: 1.35rem;
  font-weight: 400;
}

.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 800px; margin: -2px 0 18px; color: var(--muted); }

.command-list { border-top: 1px solid var(--line); }

.command-list > div {
  display: grid;
  grid-template-columns: 190px 150px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.command-list span { color: var(--muted); }
.command-list .single-command > span { grid-column: 2 / -1; }

.glossary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.glossary > div {
  padding: 16px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.glossary dt { margin-bottom: 4px; font-weight: 750; }
.glossary dd { margin: 0; color: var(--muted); }

.help-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 32px 0 48px;
}

.help-footer > div { display: flex; align-items: center; gap: 10px; }
.help-footer img { width: 34px; height: 34px; border-radius: 5px; }
.help-footer span { display: grid; line-height: 1.25; }
.help-footer small { color: var(--muted); }
.help-footer nav { display: flex; flex-wrap: wrap; gap: 18px; font-size: 0.85rem; }

.page-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  margin: 48px 0 8px;
}

.page-nav-link {
  display: grid;
  gap: 3px;
  padding: 16px 0;
  border-top: 1px solid var(--line-strong);
  color: var(--text);
  text-decoration: none;
}

.page-nav-link:hover { border-color: var(--gold); color: var(--gold-strong); }
.page-nav-link small { color: var(--quiet); font-size: 0.72rem; text-transform: uppercase; }
.page-nav-link strong { font-size: 1.02rem; }
.page-nav-link.next { grid-column: 2; text-align: right; }

@media (max-width: 1040px) {
  :root { --sidebar-width: 220px; }
  .site-header { grid-template-columns: var(--sidebar-width) minmax(220px, 1fr) auto; gap: 16px; }
  main { padding: 0 38px; }
  .topic-grid.three-up { grid-template-columns: 1fr; }
  .topic-grid.three-up article { min-height: 0; }
  .split-guide { grid-template-columns: 1fr; }
  .compact-figure { margin-top: 0; }
}

@media (max-width: 760px) {
  :root { --header-height: 62px; }
  .site-header {
    grid-template-columns: minmax(0, 1fr) 40px;
    gap: 10px;
    padding: 0 14px;
  }
  .brand small { display: none; }
  .brand img { width: 34px; height: 34px; }
  .header-search {
    position: fixed;
    top: calc(var(--header-height) + 10px);
    left: 14px;
    right: 14px;
  }
  .header-search kbd { display: none; }
  .header-links { display: none; }
  .menu-button { display: block; }
  .help-layout { display: block; padding-top: calc(var(--header-height) + 60px); }
  .sidebar {
    z-index: 40;
    top: var(--header-height);
    width: min(320px, 88vw);
    transform: translateX(-105%);
    transition: transform 180ms ease;
    box-shadow: 18px 0 40px rgba(0, 0, 0, 0.45);
  }
  .sidebar.open { transform: translateX(0); }
  main { width: 100%; padding: 0 18px; }
  .hero-section { padding: 48px 0 54px; }
  .guide-section { padding: 50px 0; }
  h1 { font-size: 2.65rem; }
  h1.page-title, h2 { font-size: 2rem; }
  .scope-note, .setting-row, .setting-table.labeled .setting-row, .privacy-list > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .compact-table .setting-row { grid-template-columns: 1fr; }
  .topic-grid, .source-compare, .glossary { grid-template-columns: 1fr; }
  .topic-grid article { min-height: 0; }
  .command-list > div { grid-template-columns: 1fr; gap: 7px; }
  .command-list .single-command > span { grid-column: 1; }
  .command-list code { width: max-content; }
  .image-action { opacity: 1; transform: none; }
  .page-nav { gap: 18px; }
  .help-footer { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .sidebar { transition: none; }
  .image-link img, .image-action { transition: none; }
}