:root {
  --bg: #f7f7fa;
  --surface: #ffffff;
  --surface-2: #f0f1f5;
  --surface-3: #e9eaf0;
  --text: #151722;
  --muted: #666b7a;
  --faint: #9499a8;
  --border: #e1e3ea;
  --border-strong: #d2d5df;
  --accent: #ff365b;
  --accent-strong: #ee2049;
  --accent-soft: rgba(255, 54, 91, 0.1);
  --accent-softer: rgba(255, 54, 91, 0.06);
  --success: #1d9b61;
  --warning: #c47a13;
  --danger: #cf2f4a;
  --info: #356ad8;
  --code-bg: #11141b;
  --code-text: #eef0f5;
  --shadow-sm: 0 1px 2px rgba(18, 21, 31, 0.06), 0 4px 16px rgba(18, 21, 31, 0.04);
  --shadow-lg: 0 24px 70px rgba(18, 21, 31, 0.18);
  --topbar-height: 68px;
  --sidebar-width: 278px;
  --content-max: 1180px;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #0b0d12;
  --surface: #11141b;
  --surface-2: #171a22;
  --surface-3: #1e222c;
  --text: #f3f4f7;
  --muted: #a2a7b4;
  --faint: #747b8c;
  --border: #252a35;
  --border-strong: #343a47;
  --accent: #ff4265;
  --accent-strong: #ff5b78;
  --accent-soft: rgba(255, 66, 101, 0.13);
  --accent-softer: rgba(255, 66, 101, 0.07);
  --success: #40c989;
  --warning: #e1a64d;
  --danger: #ff667f;
  --info: #6c98f2;
  --code-bg: #080a0f;
  --code-text: #eff1f6;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.22), 0 10px 30px rgba(0, 0, 0, 0.14);
  --shadow-lg: 0 30px 90px rgba(0, 0, 0, 0.5);
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root[data-theme="auto"] {
    --bg: #0b0d12;
    --surface: #11141b;
    --surface-2: #171a22;
    --surface-3: #1e222c;
    --text: #f3f4f7;
    --muted: #a2a7b4;
    --faint: #747b8c;
    --border: #252a35;
    --border-strong: #343a47;
    --accent: #ff4265;
    --accent-strong: #ff5b78;
    --accent-soft: rgba(255, 66, 101, 0.13);
    --accent-softer: rgba(255, 66, 101, 0.07);
    --success: #40c989;
    --warning: #e1a64d;
    --danger: #ff667f;
    --info: #6c98f2;
    --code-bg: #080a0f;
    --code-text: #eff1f6;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.22), 0 10px 30px rgba(0, 0, 0, 0.14);
    --shadow-lg: 0 30px 90px rgba(0, 0, 0, 0.5);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--topbar-height) + 28px); }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--text); line-height: 1.65; -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
::selection { background: rgba(255, 54, 91, .22); }

.skip-link { position: fixed; top: 8px; left: 8px; z-index: 999; padding: 10px 14px; border-radius: 10px; background: var(--accent); color: white; transform: translateY(-150%); transition: transform .2s; }
.skip-link:focus { transform: translateY(0); }

.icon { display: inline-flex; width: 18px; height: 18px; align-items: center; justify-content: center; flex: 0 0 auto; }
.icon svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.topbar { position: fixed; inset: 0 0 auto 0; height: var(--topbar-height); z-index: 70; background: color-mix(in srgb, var(--surface) 88%, transparent); backdrop-filter: blur(18px); border-bottom: 1px solid var(--border); }
.topbar-inner { height: 100%; max-width: 1600px; margin: 0 auto; padding: 0 22px; display: flex; align-items: center; gap: 18px; }
.brand { display: inline-flex; align-items: center; gap: 10px; min-width: calc(var(--sidebar-width) - 22px); }
.brand-mark { width: 36px; height: 36px; border-radius: 12px; display: grid; place-items: center; background: linear-gradient(145deg, #ff617b, var(--accent-strong)); box-shadow: 0 8px 20px rgba(255, 54, 91, .25); }
.brand-play { width: 0; height: 0; border-top: 6px solid transparent; border-bottom: 6px solid transparent; border-left: 10px solid white; margin-left: 2px; }
.brand-copy { display: flex; align-items: baseline; gap: 5px; letter-spacing: -0.03em; }
.brand-copy strong { font-size: 19px; }
.brand-copy em { font-size: 13px; font-style: normal; color: var(--accent); font-weight: 800; text-transform: uppercase; letter-spacing: .09em; }
.search-trigger { height: 40px; width: min(440px, 40vw); display: flex; align-items: center; gap: 10px; padding: 0 12px; color: var(--muted); background: var(--surface-2); border: 1px solid var(--border); border-radius: 12px; cursor: pointer; transition: border .2s, background .2s, box-shadow .2s; }
.search-trigger:hover { border-color: var(--border-strong); background: var(--surface-3); box-shadow: var(--shadow-sm); }
.search-trigger span:not(.icon) { flex: 1; text-align: left; }
kbd { padding: 2px 7px; font-size: 11px; line-height: 1.5; color: var(--muted); background: var(--surface); border: 1px solid var(--border-strong); border-bottom-width: 2px; border-radius: 6px; font-family: inherit; }
.top-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.top-link { height: 38px; padding: 0 12px; display: inline-flex; align-items: center; gap: 6px; border-radius: 10px; color: var(--muted); font-size: 14px; font-weight: 650; }
.top-link:hover { color: var(--text); background: var(--surface-2); }
.primary-link { background: var(--accent); color: white; }
.primary-link:hover { color: white; background: var(--accent-strong); }
.primary-link .icon, .top-link .icon { width: 14px; height: 14px; }
.status-top-link { color: var(--text); background: var(--surface-2); border: 1px solid var(--border); }
.status-top-link:hover { background: var(--surface-3); border-color: var(--border-strong); }
.status-top-link .status-dot { width: 7px; height: 7px; }
.icon-button { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid transparent; border-radius: 11px; background: transparent; color: var(--muted); cursor: pointer; }
.icon-button:hover { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.mobile-menu-button { display: none; }

.app-shell { display: grid; grid-template-columns: var(--sidebar-width) minmax(0, 1fr); padding-top: var(--topbar-height); min-height: 100vh; }
.sidebar { position: fixed; top: var(--topbar-height); bottom: 0; width: var(--sidebar-width); padding: 22px 16px 18px; background: var(--surface); border-right: 1px solid var(--border); overflow-y: auto; z-index: 50; scrollbar-width: thin; }
.sidebar-mobile-head { display: none; }
.docs-nav { padding-bottom: 104px; }
.nav-home, .nav-links a { display: flex; align-items: center; min-height: 36px; padding: 7px 10px; border-radius: 9px; color: var(--muted); font-size: 14px; font-weight: 560; transition: color .16s, background .16s; }
.nav-home { gap: 9px; margin-bottom: 20px; }
.nav-home .icon { width: 16px; height: 16px; }
.nav-home:hover, .nav-links a:hover { color: var(--text); background: var(--surface-2); }
.nav-home.active, .nav-links a.active { color: var(--accent); background: var(--accent-soft); font-weight: 720; }
.nav-group { margin: 0 0 24px; }
.nav-heading { display: flex; align-items: center; gap: 8px; padding: 0 10px 8px; color: var(--faint); font-size: 11px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.nav-heading .icon { width: 15px; height: 15px; }
.nav-links { display: grid; gap: 2px; }
.nav-links a { padding-left: 33px; }
.sidebar-bottom { position: absolute; left: 16px; right: 16px; bottom: 16px; padding-top: 14px; background: linear-gradient(to bottom, transparent, var(--surface) 18%); }
.sidebar-bottom a { display: flex; align-items: center; gap: 8px; padding: 9px 10px; color: var(--muted); font-size: 13px; font-weight: 650; border-radius: 9px; }
.sidebar-bottom a:hover { background: var(--surface-2); color: var(--text); }
.sidebar-bottom small { display: block; padding: 8px 10px 0; color: var(--faint); font-size: 11px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 4px color-mix(in srgb, var(--success) 14%, transparent); }
.sidebar-backdrop { display: none; }

.content { grid-column: 2; min-width: 0; }
.article-layout { display: grid; grid-template-columns: minmax(0, 790px) 210px; gap: 58px; width: min(calc(100% - 72px), var(--content-max)); margin: 0 auto; padding: 64px 0 100px; align-items: start; }
.article { min-width: 0; }
.article-hero { padding: 4px 0 45px; border-bottom: 1px solid var(--border); }
.article-hero.home-hero { position: relative; padding: 22px 0 52px; }
.article-hero.home-hero::before { content: ''; position: absolute; width: 360px; height: 260px; top: -80px; left: -110px; background: radial-gradient(circle, rgba(255,54,91,.14), transparent 68%); pointer-events: none; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 14px; color: var(--accent); font-size: 12px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow span { width: 22px; height: 3px; border-radius: 99px; background: var(--accent); }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.035em; }
h1 { margin: 0; max-width: 760px; font-size: clamp(40px, 6vw, 68px); font-weight: 840; }
.article-hero:not(.home-hero) h1 { font-size: clamp(36px, 5vw, 55px); }
.lead { max-width: 750px; margin: 20px 0 0; color: var(--muted); font-size: clamp(17px, 2vw, 20px); line-height: 1.65; }
.article-meta { display: flex; align-items: center; gap: 10px; margin-top: 20px; color: var(--faint); font-size: 13px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.hero-badges span { display: inline-flex; align-items: center; gap: 7px; padding: 8px 11px; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); background: var(--surface); font-size: 12px; font-weight: 650; box-shadow: var(--shadow-sm); }
.hero-badges .icon { width: 14px; height: 14px; color: var(--success); }
.article-sections { padding-top: 4px; }
.doc-section { position: relative; padding: 54px 0 52px; border-bottom: 1px solid var(--border); }
.doc-section:last-child { border-bottom: 0; }
.section-index { position: absolute; right: 0; top: 55px; color: var(--accent); font-size: 12px; font-weight: 850; letter-spacing: .08em; }
.doc-section h2 { margin: 0 50px 22px 0; font-size: clamp(25px, 3vw, 32px); }
.doc-section h3 { margin: 26px 0 10px; font-size: 20px; }
.section-body { color: var(--muted); font-size: 16px; }
.section-body > :first-child { margin-top: 0; }
.section-body > :last-child { margin-bottom: 0; }
.section-body p { margin: 0 0 18px; }
.section-body strong { color: var(--text); }
.section-body a:not(.button):not(.feature-card) { color: var(--accent); text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--accent) 35%, transparent); text-underline-offset: 3px; }
.section-body ul, .section-body ol { margin: 14px 0 20px; padding-left: 23px; }
.section-body li { margin: 8px 0; padding-left: 3px; }
.section-body code:not(pre code) { padding: 2px 6px; color: var(--text); background: var(--surface-2); border: 1px solid var(--border); border-radius: 6px; font-size: .88em; }

.toc { position: sticky; top: calc(var(--topbar-height) + 38px); padding-top: 4px; }
.toc-label { margin-bottom: 12px; color: var(--faint); font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.toc nav { display: grid; border-left: 1px solid var(--border); }
.toc nav a { position: relative; padding: 7px 0 7px 15px; color: var(--muted); font-size: 13px; line-height: 1.4; }
.toc nav a::before { content: ''; position: absolute; left: -1px; top: 6px; bottom: 6px; width: 2px; border-radius: 4px; background: transparent; }
.toc nav a:hover, .toc nav a.active { color: var(--text); }
.toc nav a.active::before { background: var(--accent); }
.toc-help { margin-top: 26px; padding: 14px; border-radius: 12px; background: var(--accent-softer); border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--border)); }
.toc-help span { display: block; color: var(--muted); font-size: 11px; }
.toc-help a { display: flex; align-items: center; gap: 5px; margin-top: 4px; color: var(--accent); font-size: 12px; font-weight: 720; }
.toc-help .icon { width: 12px; height: 12px; }

.button { min-height: 43px; display: inline-flex; align-items: center; justify-content: center; padding: 9px 16px; border: 1px solid transparent; border-radius: 11px; font-weight: 730; font-size: 14px; cursor: pointer; transition: transform .15s, background .15s, border .15s; }
.button:hover { transform: translateY(-1px); }
.button.primary { color: white; background: var(--accent); box-shadow: 0 9px 22px rgba(255,54,91,.18); }
.button.primary:hover { background: var(--accent-strong); }
.button.secondary { color: var(--text); background: var(--surface); border-color: var(--border); box-shadow: var(--shadow-sm); }
.button.secondary:hover { background: var(--surface-2); border-color: var(--border-strong); }
.inline-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }

.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; margin-top: 34px; }
.feature-card { position: relative; min-height: 155px; padding: 22px; overflow: hidden; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); transition: transform .2s, border .2s, box-shadow .2s; }
.feature-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); box-shadow: 0 18px 36px rgba(18,21,31,.09); }
.feature-card::after { content: '→'; position: absolute; right: 20px; top: 18px; color: var(--faint); font-size: 20px; }
.feature-number { display: inline-block; margin-bottom: 22px; color: var(--accent); font-size: 11px; font-weight: 850; letter-spacing: .09em; }
.feature-card h3 { margin: 0 0 7px; color: var(--text); font-size: 18px; }
.feature-card p { margin: 0; color: var(--muted); font-size: 14px; }

.steps-list { list-style: none; padding: 0 !important; display: grid; gap: 10px; }
.steps-list li { display: grid; grid-template-columns: 38px minmax(0, 1fr); gap: 13px; align-items: start; margin: 0 !important; padding: 15px !important; border: 1px solid var(--border); border-radius: 13px; background: var(--surface); }
.steps-list li > span { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 9px; color: var(--accent); background: var(--accent-soft); font-size: 12px; font-weight: 850; }
.steps-list strong { display: block; margin-top: 1px; }
.steps-list p { margin: 3px 0 0; font-size: 14px; }

.check-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; margin: 18px 0; }
.check-grid > div { padding: 12px 14px; color: var(--text); border: 1px solid var(--border); border-radius: 11px; background: var(--surface); font-size: 14px; }

.link-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.link-cards a { display: flex; min-height: 115px; flex-direction: column; justify-content: space-between; padding: 17px; border-radius: 13px; background: var(--surface); border: 1px solid var(--border); transition: border .18s, transform .18s; }
.link-cards a:hover { transform: translateY(-2px); border-color: var(--accent); }
.link-cards strong { font-size: 15px; }
.link-cards span { color: var(--accent); font-size: 12px; font-weight: 650; }

.callout { margin: 22px 0; padding: 16px 18px; border: 1px solid; border-radius: 13px; background: var(--surface); }
.callout strong { display: block; margin-bottom: 4px; }
.callout p { margin: 0; font-size: 14px; }
.callout.info { border-color: color-mix(in srgb, var(--info) 35%, var(--border)); background: color-mix(in srgb, var(--info) 7%, var(--surface)); }
.callout.tip { border-color: color-mix(in srgb, var(--success) 35%, var(--border)); background: color-mix(in srgb, var(--success) 7%, var(--surface)); }
.callout.warning { border-color: color-mix(in srgb, var(--warning) 40%, var(--border)); background: color-mix(in srgb, var(--warning) 7%, var(--surface)); }
.callout.danger { border-color: color-mix(in srgb, var(--danger) 40%, var(--border)); background: color-mix(in srgb, var(--danger) 7%, var(--surface)); }
.callout.info strong { color: var(--info); }
.callout.tip strong { color: var(--success); }
.callout.warning strong { color: var(--warning); }
.callout.danger strong { color: var(--danger); }

.process-flow { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.process-flow > div { position: relative; min-height: 150px; padding: 18px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); }
.process-flow span { color: var(--accent); font-size: 11px; font-weight: 850; }
.process-flow strong { display: block; margin: 18px 0 4px; }
.process-flow p { margin: 0; font-size: 14px; }

.table-wrap { width: 100%; overflow-x: auto; margin: 18px 0; border: 1px solid var(--border); border-radius: 13px; background: var(--surface); }
table { width: 100%; border-collapse: collapse; min-width: 540px; font-size: 14px; }
th, td { padding: 13px 15px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--text); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; background: var(--surface-2); }
tr:last-child td { border-bottom: 0; }

.code-shell { position: relative; margin: 18px 0; border: 1px solid color-mix(in srgb, white 8%, transparent); border-radius: 13px; overflow: hidden; background: var(--code-bg); box-shadow: var(--shadow-sm); }
pre { margin: 0; padding: 22px 18px; overflow-x: auto; color: var(--code-text); background: var(--code-bg); font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 13px; line-height: 1.65; }
pre code { color: inherit; background: none; }
.copy-button { position: absolute; z-index: 2; top: 9px; right: 9px; display: flex; align-items: center; gap: 6px; min-height: 31px; padding: 5px 9px; color: #b9becc; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.1); border-radius: 8px; cursor: pointer; font-size: 11px; }
.copy-button:hover { color: white; background: rgba(255,255,255,.14); }
.copy-button .icon { width: 13px; height: 13px; }

.error-list, .faq-list { display: grid; gap: 9px; }
details { border: 1px solid var(--border); border-radius: 12px; background: var(--surface); overflow: hidden; }
details summary { display: flex; align-items: center; gap: 12px; padding: 14px 15px; color: var(--text); cursor: pointer; list-style: none; font-weight: 700; }
details summary::-webkit-details-marker { display: none; }
details summary::after { content: '+'; margin-left: auto; color: var(--faint); font-size: 20px; font-weight: 400; }
details[open] summary::after { content: '−'; }
details[open] summary { border-bottom: 1px solid var(--border); background: var(--surface-2); }
details p { padding: 15px; margin: 0 !important; font-size: 14px; }
.error-list summary { flex-wrap: wrap; }
.error-list summary code { color: var(--accent); background: var(--accent-soft); border: 0; }
.error-list summary span { color: var(--muted); font-size: 13px; font-weight: 520; }

.comparison-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.comparison-grid > div { padding: 20px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); }
.comparison-grid span { color: var(--accent); font-size: 11px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.comparison-grid h3 { margin: 17px 0 8px; }
.comparison-grid p { margin: 0; font-size: 14px; }
.reference-list { list-style: none; padding: 0 !important; }
.reference-list li { padding: 0 !important; margin: 7px 0 !important; }
.reference-list a { display: block; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); text-decoration: none !important; }
.reference-list a:hover { border-color: var(--accent); }

.page-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 48px; }
.page-nav a { min-height: 104px; display: flex; flex-direction: column; justify-content: space-between; padding: 17px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); box-shadow: var(--shadow-sm); }
.page-nav a:hover { border-color: var(--accent); }
.page-nav a span { display: flex; align-items: center; gap: 5px; color: var(--muted); font-size: 12px; }
.page-nav a strong { font-size: 15px; }
.page-nav a.next { text-align: right; align-items: flex-end; }
.page-nav .icon { width: 14px; height: 14px; }
.article-footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 28px; padding: 24px; border-radius: 16px; color: white; background: linear-gradient(135deg, #171a22, #242936); }
.article-footer strong { font-size: 18px; }
.article-footer p { margin: 4px 0 0; color: #b9bfcc; font-size: 13px; }
.footer-actions { display: flex; gap: 8px; flex-shrink: 0; }
.article-footer .button.secondary { color: white; background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.13); box-shadow: none; }

.search-backdrop { position: fixed; inset: 0; z-index: 90; background: rgba(7,9,13,.54); backdrop-filter: blur(5px); opacity: 0; visibility: hidden; transition: .2s; }
.search-backdrop.open { opacity: 1; visibility: visible; }
.search-modal { position: fixed; z-index: 100; top: 10vh; left: 50%; width: min(680px, calc(100vw - 28px)); max-height: min(680px, 80vh); overflow: hidden; transform: translate(-50%, -15px) scale(.98); opacity: 0; visibility: hidden; background: var(--surface); border: 1px solid var(--border); border-radius: 19px; box-shadow: var(--shadow-lg); transition: .2s; }
.search-modal.open { transform: translate(-50%, 0) scale(1); opacity: 1; visibility: visible; }
.search-box { height: 62px; display: flex; align-items: center; gap: 11px; padding: 0 15px; border-bottom: 1px solid var(--border); }
.search-box > .icon { color: var(--faint); }
.search-box input { flex: 1; height: 100%; border: 0; outline: 0; background: transparent; color: var(--text); font-size: 16px; }
.search-box input::placeholder { color: var(--faint); }
.search-close { padding: 4px 8px; color: var(--muted); background: var(--surface-2); border: 1px solid var(--border); border-radius: 7px; cursor: pointer; font-size: 11px; }
.search-results { max-height: calc(min(680px, 80vh) - 104px); overflow-y: auto; padding: 10px; }
.search-result-label { padding: 7px 8px 9px; color: var(--faint); font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.search-result { display: grid; grid-template-columns: 38px 1fr 18px; gap: 10px; align-items: center; padding: 11px; border-radius: 11px; }
.search-result:hover { background: var(--surface-2); }
.search-result-icon { width: 38px; height: 38px; display: grid; place-items: center; color: var(--accent); background: var(--accent-soft); border-radius: 10px; }
.search-result strong { display: block; font-size: 14px; }
.search-result small { display: -webkit-box; margin-top: 2px; overflow: hidden; color: var(--muted); font-size: 12px; line-height: 1.45; -webkit-line-clamp: 1; -webkit-box-orient: vertical; }
.search-result > .icon { color: var(--faint); width: 15px; height: 15px; }
.search-result mark { color: var(--accent); background: transparent; }
.empty-search { padding: 45px 20px; text-align: center; }
.empty-search p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.search-footer { height: 42px; display: flex; align-items: center; gap: 15px; padding: 0 14px; color: var(--faint); background: var(--surface-2); border-top: 1px solid var(--border); font-size: 10px; }
.search-footer span { display: flex; align-items: center; gap: 4px; }
.search-footer kbd { padding: 1px 5px; font-size: 9px; }

.toast { position: fixed; z-index: 120; left: 50%; bottom: 24px; padding: 10px 14px; border-radius: 10px; color: white; background: #181b23; box-shadow: var(--shadow-lg); font-size: 13px; font-weight: 650; transform: translate(-50%, 20px); opacity: 0; pointer-events: none; transition: .2s; }
.toast.show { transform: translate(-50%, 0); opacity: 1; }
.not-found { width: min(calc(100% - 64px), 790px); margin: 0 auto; padding: 90px 0; }
.error-code { color: var(--accent); font-size: 14px; font-weight: 900; letter-spacing: .15em; }

@media (max-width: 1180px) {
  .article-layout { grid-template-columns: minmax(0, 820px); width: min(calc(100% - 72px), 860px); }
  .toc { display: none; }
}

@media (max-width: 920px) {
  :root { --topbar-height: 62px; }
  .topbar-inner { padding: 0 14px; gap: 10px; }
  .brand { min-width: auto; }
  .brand-copy em { display: none; }
  .mobile-menu-button { display: grid; }
  .search-trigger { margin-left: auto; width: 42px; padding: 0; justify-content: center; }
  .search-trigger span:not(.icon), .search-trigger kbd { display: none; }
  .top-actions { margin-left: 0; }
  .top-link { display: none; }
  .app-shell { display: block; }
  .sidebar { top: 0; left: 0; bottom: 0; width: min(330px, 88vw); padding-top: 0; transform: translateX(-103%); z-index: 90; box-shadow: var(--shadow-lg); transition: transform .22s ease; }
  .sidebar.open { transform: translateX(0); }
  .sidebar-mobile-head { position: sticky; top: 0; z-index: 2; height: 62px; display: flex; align-items: center; justify-content: space-between; padding: 0 8px 0 10px; color: var(--text); background: var(--surface); border-bottom: 1px solid var(--border); font-weight: 780; }
  .docs-nav { padding-top: 18px; }
  .sidebar-backdrop { display: block; position: fixed; inset: 0; z-index: 80; background: rgba(6,8,12,.56); opacity: 0; visibility: hidden; transition: .2s; }
  .sidebar-backdrop.open { opacity: 1; visibility: visible; }
  .content { min-width: 0; }
  .article-layout { width: min(calc(100% - 40px), 800px); padding-top: 45px; }
}

@media (max-width: 620px) {
  .topbar-inner { padding: 0 9px; }
  .brand-mark { width: 32px; height: 32px; border-radius: 10px; }
  .brand-copy strong { font-size: 17px; }
  .icon-button { width: 38px; height: 38px; }
  .article-layout { width: min(calc(100% - 28px), 800px); padding: 34px 0 65px; }
  .article-hero, .article-hero.home-hero { padding-bottom: 35px; }
  h1 { font-size: 42px; }
  .article-hero:not(.home-hero) h1 { font-size: 37px; }
  .lead { font-size: 16px; }
  .hero-badges { gap: 6px; }
  .feature-grid, .check-grid, .process-flow, .comparison-grid, .link-cards { grid-template-columns: 1fr; }
  .feature-card { min-height: 135px; }
  .doc-section { padding: 42px 0; }
  .doc-section h2 { margin-right: 36px; font-size: 27px; }
  .section-body { font-size: 15px; }
  .steps-list li { grid-template-columns: 34px 1fr; padding: 13px !important; }
  .page-nav { grid-template-columns: 1fr; }
  .page-nav > span { display: none; }
  .page-nav a.next { text-align: left; align-items: stretch; }
  .article-footer { align-items: stretch; flex-direction: column; }
  .footer-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .search-modal { top: 8px; width: calc(100vw - 16px); max-height: calc(100vh - 16px); border-radius: 15px; }
  .search-results { max-height: calc(100vh - 120px); }
  .search-footer { display: none; }
  .search-result { grid-template-columns: 34px 1fr 15px; padding: 9px; }
  .search-result-icon { width: 34px; height: 34px; }
  .not-found { width: calc(100% - 28px); padding-top: 60px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

/* YT Conv ecosystem navigation */
.ecosystem-nav-group{margin-top:18px;padding-top:18px;border-top:1px solid var(--border)}
.ecosystem-nav-links{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
.ecosystem-nav-links a{display:flex!important;align-items:center;justify-content:center;min-height:34px;padding:7px 8px!important;border:1px solid var(--border);border-radius:9px;background:var(--surface-2);font-size:12px!important;font-weight:750;text-align:center}
.ecosystem-nav-links a.active{background:var(--text)!important;border-color:var(--text)!important;color:var(--surface)!important;pointer-events:none}