:root {
  color-scheme: dark;
  --bg: #080b0a;
  --surface: #0c100f;
  --surface-raised: #111615;
  --surface-soft: #141a18;
  --line: #232b28;
  --line-bright: #39443f;
  --text: #e5ece8;
  --muted: #8b9792;
  --faint: #58635f;
  --green: #58efa9;
  --green-soft: #153b2b;
  --blue: #8eb5ff;
  --warn: #e7c875;
  --danger: #ff8181;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", "Roboto Mono", "Cascadia Code", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; min-height: 100vh; color: var(--text); background: var(--bg); font: 14px/1.7 var(--sans); }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: #b7ceff; }
code, pre, kbd { font-family: var(--mono); }
.hidden { display: none !important; }

.topbar {
  position: fixed; inset: 0 0 auto 0; z-index: 30; height: 56px;
  display: grid; grid-template-columns: 260px 1fr auto; align-items: center;
  padding: 0 18px; border-bottom: 1px solid var(--line);
  background: rgba(8, 11, 10, .92); backdrop-filter: blur(16px);
}
.brand { display: flex; align-items: center; gap: 9px; color: var(--text); }
.brand:hover { color: var(--text); }
.brand-mark { display: grid; place-items: center; width: 24px; height: 24px; color: #06100b; background: var(--green); font: 800 13px var(--mono); }
.brand-name { font-size: 12px; font-weight: 800; letter-spacing: .16em; }
.brand-product { padding-left: 9px; border-left: 1px solid var(--line-bright); color: var(--muted); font: 9px var(--mono); letter-spacing: .12em; }
.product-nav { display: flex; align-self: stretch; justify-self: start; }
.product-nav a { display: flex; align-items: center; padding: 0 14px; border-bottom: 2px solid transparent; color: var(--muted); font-size: 11px; font-weight: 650; letter-spacing: .04em; }
.product-nav a:hover { color: var(--text); }
.product-nav a.active { border-bottom-color: var(--green); color: var(--text); }
.top-actions { display: flex; gap: 8px; }
.search-trigger, .assistant-trigger { height: 32px; border: 1px solid var(--line-bright); background: var(--surface); cursor: pointer; }
.search-trigger { width: 210px; display: flex; align-items: center; justify-content: space-between; padding: 0 9px; color: var(--muted); text-align: left; font-size: 11px; }
kbd { padding: 1px 6px; border: 1px solid var(--line-bright); color: var(--faint); background: var(--bg); font-size: 10px; }
.assistant-trigger { padding: 0 12px; border-color: #286f51; color: var(--green); font-size: 10px; font-weight: 750; text-transform: uppercase; letter-spacing: .07em; }
.assistant-trigger:hover { background: var(--green-soft); }
.spark { color: var(--green); }

.docs-shell { display: grid; grid-template-columns: 260px minmax(0, 860px) 250px; justify-content: center; min-height: 100vh; padding-top: 56px; }
.sidebar { position: fixed; top: 56px; bottom: 0; left: max(0px, calc((100vw - 1370px) / 2)); width: 260px; display: flex; flex-direction: column; border-right: 1px solid var(--line); background: var(--surface); overflow-y: auto; }
.sidebar-head { display: flex; align-items: center; justify-content: space-between; min-height: 54px; padding: 0 18px; border-bottom: 1px solid var(--line); }
.sidebar-head p { margin: 0; color: var(--muted); font: 10px var(--mono); text-transform: uppercase; letter-spacing: .1em; }
.sidebar-head span { color: var(--faint); font: 10px var(--mono); }
#docs-nav { padding: 12px 0 28px; }
.nav-section { margin-bottom: 10px; }
.nav-section-label { width: 100%; display: flex; justify-content: space-between; padding: 7px 18px; border: 0; color: var(--faint); background: transparent; cursor: pointer; text-align: left; font: 700 9px var(--mono); text-transform: uppercase; letter-spacing: .12em; }
.nav-section-label:hover { color: var(--muted); }
.nav-items { display: grid; }
.nav-items a { position: relative; padding: 6px 18px; border-left: 2px solid transparent; color: var(--muted); font-size: 12px; line-height: 1.3; }
.nav-items a:hover { color: var(--text); background: #ffffff03; }
.nav-items a.active { border-left-color: var(--green); color: var(--text); background: linear-gradient(90deg, #58efa910, transparent); }
.sidebar-foot { margin-top: auto; display: flex; align-items: center; gap: 8px; padding: 14px 18px; border-top: 1px solid var(--line); color: var(--faint); font: 9px var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.official-dot { display: inline-block; flex: 0 0 auto; width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px #58efa966; }

.main { grid-column: 2; min-width: 0; padding: 64px 64px 90px; outline: none; }
.document { max-width: 760px; margin: 0 auto; }
.doc-kicker { display: flex; justify-content: space-between; margin-bottom: 14px; color: var(--green); font: 9px var(--mono); letter-spacing: .12em; }
.doc-kicker span:last-child { padding: 2px 6px; border: 1px solid #287454; }
.document h1 { margin: 0 0 16px; font-size: clamp(32px, 4vw, 46px); line-height: 1.05; letter-spacing: -.045em; }
.document h1 + p { margin-top: 0; color: #b4bfba; font-size: 17px; line-height: 1.7; }
.document h2 { margin: 58px 0 16px; padding-top: 4px; font-size: 23px; line-height: 1.25; letter-spacing: -.025em; }
.document h3 { margin: 34px 0 10px; font-size: 16px; line-height: 1.35; }
.document h4 { margin: 26px 0 8px; font-size: 13px; text-transform: uppercase; letter-spacing: .05em; }
.heading-anchor { margin-left: 8px; color: transparent; font: 400 14px var(--mono); }
.document h2:hover .heading-anchor, .document h3:hover .heading-anchor { color: var(--faint); }
.document p { margin: 14px 0; color: #b2bdb8; }
.document strong { color: var(--text); font-weight: 650; }
.document em { color: #cbd4d0; }
.document ul, .document ol { margin: 12px 0 20px; padding-left: 22px; color: #b2bdb8; }
.document li { margin: 6px 0; padding-left: 3px; }
.document li::marker { color: var(--green); font-family: var(--mono); }
.document blockquote { margin: 24px 0; padding: 12px 18px; border-left: 2px solid var(--green); background: linear-gradient(90deg, #58efa90c, transparent); color: #c7d0cc; }
.document blockquote p { margin: 0; }
.document :not(pre) > code { padding: 2px 5px; border: 1px solid #27332f; background: #0e1512; color: #8cf5bd; font-size: .86em; }
.document pre { position: relative; margin: 22px 0; padding: 18px; border: 1px solid var(--line); background: #060908; overflow: auto; }
.document pre code { color: #c7d2cd; font-size: 12px; line-height: 1.65; }
.document table { width: 100%; margin: 24px 0 30px; border-collapse: collapse; font-size: 12px; line-height: 1.55; }
.document th { padding: 9px 11px; border: 1px solid var(--line-bright); background: var(--surface-soft); color: var(--muted); text-align: left; font: 700 9px var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.document td { padding: 10px 11px; border: 1px solid var(--line); color: #acb7b2; vertical-align: top; }
.document tr:hover td { background: #ffffff02; }
.document hr { margin: 42px 0; border: 0; border-top: 1px solid var(--line); }
.document a.repository-reference { color: #9aa5a0; border-bottom: 1px dashed var(--line-bright); cursor: default; }

.diagram-shell { margin: 28px 0 36px; border: 1px solid var(--line); background: radial-gradient(circle at 50% 0, #17312855, transparent 58%), #090d0c; overflow: auto; }
.diagram-label { display: flex; justify-content: space-between; padding: 7px 10px; border-bottom: 1px solid var(--line); color: var(--faint); font: 8px var(--mono); text-transform: uppercase; letter-spacing: .11em; }
.mermaid { min-width: 620px; padding: 24px 14px; text-align: center; }
.mermaid svg { max-width: 100%; height: auto; }

.page-loading { max-width: 760px; margin: 0 auto; padding-top: 30px; }
.loader-line, .loader-block { background: linear-gradient(90deg, var(--surface) 20%, var(--surface-soft) 50%, var(--surface) 80%); background-size: 300% 100%; animation: shimmer 1.5s infinite; }
.loader-line { width: 70%; height: 38px; margin-bottom: 14px; }
.loader-line.short { width: 42%; height: 18px; }
.loader-block { height: 280px; margin-top: 44px; }
@keyframes shimmer { to { background-position: -300% 0; } }
.page-error { max-width: 760px; margin: 40px auto; padding: 18px; border: 1px solid #5c3030; color: var(--danger); background: #1a0c0c; font-family: var(--mono); }
.page-footer { max-width: 760px; margin: 70px auto 0; padding-top: 24px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.page-footer button { padding: 11px 13px; border: 1px solid var(--line); background: var(--surface); cursor: pointer; text-align: left; }
.page-footer button.next { text-align: right; }
.page-footer button:hover { border-color: var(--line-bright); }
.page-footer small { display: block; margin-bottom: 3px; color: var(--faint); font: 8px var(--mono); text-transform: uppercase; letter-spacing: .1em; }
.page-footer span { color: var(--muted); font-size: 11px; }

.context-rail { grid-column: 3; position: fixed; top: 56px; bottom: 0; right: max(0px, calc((100vw - 1370px) / 2)); width: 250px; padding: 52px 22px; border-left: 1px solid var(--line); background: #090c0b; overflow-y: auto; }
.context-block { margin-bottom: 28px; }
.context-label { margin: 0 0 11px; color: var(--faint); font: 8px var(--mono); text-transform: uppercase; letter-spacing: .12em; }
.toc { display: grid; }
.toc a { padding: 4px 0; color: var(--muted); font-size: 10px; line-height: 1.45; }
.toc a:hover { color: var(--text); }
.toc .toc-h3 { padding-left: 10px; color: var(--faint); }
.toc-empty { color: var(--faint); font-size: 10px; }
.source-card { padding-top: 20px; border-top: 1px solid var(--line); }
.source-card > code { display: block; overflow-wrap: anywhere; color: #95a29c; font-size: 9px; line-height: 1.5; }
.source-card dl { margin: 12px 0 0; }
.source-card dl div { display: grid; grid-template-columns: 58px 1fr; gap: 8px; margin: 6px 0; }
.source-card dt { color: var(--faint); font: 8px var(--mono); text-transform: uppercase; }
.source-card dd { margin: 0; color: var(--muted); font: 9px var(--mono); }
.rail-chat { width: 100%; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 9px; padding: 10px; border: 1px solid #285b46; background: #0f1b16; cursor: pointer; text-align: left; }
.rail-chat strong, .rail-chat small { display: block; }
.rail-chat strong { color: var(--text); font-size: 10px; }
.rail-chat small { color: var(--faint); font-size: 8px; }
.rail-chat:hover { border-color: var(--green); }

.modal { position: fixed; inset: 0; z-index: 60; display: grid; place-items: start center; padding-top: 12vh; background: #020403bb; backdrop-filter: blur(5px); }
.search-panel { width: min(680px, calc(100vw - 32px)); border: 1px solid var(--line-bright); background: #0b0f0e; box-shadow: 0 24px 80px #000; }
.search-input-row { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.search-input-row > span { color: var(--green); font-size: 20px; }
.search-input-row input { width: 100%; border: 0; outline: 0; color: var(--text); background: transparent; font-size: 15px; }
.search-results { max-height: 55vh; padding: 8px; overflow-y: auto; }
.search-hint { margin: 0; padding: 24px; color: var(--faint); text-align: center; font-size: 11px; }
.search-hint.error { color: var(--danger); }
.search-result { position: relative; width: 100%; display: block; padding: 11px 40px 11px 12px; border: 0; border-bottom: 1px solid var(--line); color: inherit; background: transparent; cursor: pointer; text-align: left; }
.search-result:hover { background: var(--surface-raised); }
.search-result-title { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; font-weight: 650; }
.search-result-title small { color: var(--faint); font: 8px var(--mono); }
.search-result p { margin: 4px 0 0; color: var(--muted); font-size: 10px; line-height: 1.5; }
.search-arrow { position: absolute; top: 18px; right: 13px; color: var(--faint); }

.chat-drawer { position: fixed; z-index: 70; top: 0; right: 0; bottom: 0; width: min(480px, 100vw); display: grid; grid-template-rows: auto auto 1fr auto; border-left: 1px solid var(--line-bright); background: #090d0c; box-shadow: -30px 0 80px #0008; transform: translateX(102%); transition: transform .22s ease; }
.chat-drawer.open { transform: translateX(0); }
.drawer-scrim { position: fixed; inset: 0; z-index: 65; background: #03050499; backdrop-filter: blur(2px); }
.chat-head { display: flex; align-items: center; justify-content: space-between; padding: 17px 18px; border-bottom: 1px solid var(--line); }
.assistant-kicker { color: var(--green); font: 8px var(--mono); letter-spacing: .11em; }
.chat-head h2 { margin: 3px 0 0; font-size: 18px; letter-spacing: -.02em; }
.icon-button { width: 32px; height: 32px; border: 1px solid var(--line); color: var(--muted); background: transparent; cursor: pointer; font-size: 20px; }
.icon-button:hover { border-color: var(--line-bright); color: var(--text); }
.chat-boundary { display: flex; align-items: center; gap: 8px; padding: 8px 18px; border-bottom: 1px solid var(--line); color: var(--faint); background: #0d1310; font: 8px var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.chat-messages { padding: 18px; overflow-y: auto; }
.assistant-message, .user-message { display: grid; grid-template-columns: 28px 1fr; gap: 10px; margin-bottom: 22px; }
.message-avatar { display: grid; place-items: center; width: 26px; height: 26px; border: 1px solid var(--line-bright); color: var(--green); background: var(--surface); font: 700 9px var(--mono); }
.user-message .message-avatar { color: var(--muted); font-size: 7px; }
.message-body { min-width: 0; color: #bac4c0; font-size: 12px; line-height: 1.65; }
.message-body p { margin: 0 0 9px; }
.message-body ul, .message-body ol { margin: 8px 0; padding-left: 19px; }
.message-body code { padding: 1px 4px; color: #88eeb9; background: var(--surface-soft); }
.suggestions { display: grid; gap: 6px; margin-top: 12px; }
.suggestions button { padding: 8px 10px; border: 1px solid var(--line); color: var(--muted); background: var(--surface); cursor: pointer; text-align: left; font-size: 10px; }
.suggestions button:hover { border-color: #2e604b; color: var(--text); }
.pending-message .message-body { color: var(--faint); animation: pulse 1.2s infinite; }
@keyframes pulse { 50% { opacity: .45; } }
.answer-sources { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--line); }
.answer-sources > span { width: 100%; color: var(--faint); font: 8px var(--mono); text-transform: uppercase; letter-spacing: .1em; }
.answer-sources button { padding: 3px 6px; border: 1px solid var(--line); color: var(--blue); background: transparent; cursor: pointer; font-size: 8px; }
.answer-meta { margin-top: 8px; color: var(--faint); font: 7px var(--mono); text-transform: uppercase; }
.chat-form { margin: 12px; border: 1px solid var(--line-bright); background: var(--surface); }
.chat-form textarea { width: 100%; min-height: 70px; max-height: 180px; padding: 11px; border: 0; outline: 0; resize: vertical; color: var(--text); background: transparent; font-size: 12px; }
.chat-form-foot { display: flex; align-items: center; justify-content: space-between; padding: 7px 8px; border-top: 1px solid var(--line); }
.chat-form-foot > span { color: var(--faint); font: 7px var(--mono); text-transform: uppercase; }
.chat-form button { padding: 5px 9px; border: 1px solid #2e6c50; color: var(--green); background: #10251b; cursor: pointer; font: 700 8px var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.chat-form button:disabled { opacity: .4; cursor: not-allowed; }

@media (max-width: 1120px) {
  .docs-shell { grid-template-columns: 230px minmax(0, 1fr); }
  .sidebar { width: 230px; left: 0; }
  .main { grid-column: 2; padding-left: 48px; padding-right: 48px; }
  .context-rail { display: none; }
  .topbar { grid-template-columns: 230px 1fr auto; }
}
@media (max-width: 760px) {
  .topbar { position: sticky; grid-template-columns: 1fr auto; height: 52px; padding: 0 10px; }
  .brand-product, .product-nav, .search-trigger span { display: none; }
  .search-trigger { width: 34px; padding: 0; justify-content: center; }
  .assistant-trigger { padding: 0 8px; }
  .docs-shell { display: block; padding-top: 0; }
  .sidebar { position: static; width: 100%; max-height: 240px; border-right: 0; border-bottom: 1px solid var(--line); }
  .sidebar-head, .sidebar-foot { display: none; }
  #docs-nav { display: flex; padding: 8px; overflow-x: auto; }
  .nav-section { flex: 0 0 190px; margin: 0; }
  .nav-section-label { padding: 5px 8px; }
  .nav-items a { padding: 5px 8px; }
  .main { padding: 38px 20px 70px; }
  .document h1 { font-size: 34px; }
  .document h2 { margin-top: 44px; font-size: 21px; }
  .document table { display: block; overflow-x: auto; }
  .mermaid { min-width: 560px; }
  .page-footer { grid-template-columns: 1fr; }
}