:root {
  color-scheme: light;
  --bg: #f8f9fb;
  --surface: #eef0f4;
  --surface-raised: #e6e9ef;
  --line: #d9dde5;
  --line-strong: #bfc6d1;
  --text: #181b24;
  --muted: #525b69;
  --accent: #174ed3;
  --link: #1747b5;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 30px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 4px; }
a:hover { color: var(--accent); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
button { font: inherit; }
.docs-layout { display: grid; grid-template-columns: 248px minmax(0, 1fr); min-height: 100vh; }
.sidebar { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; padding: 30px 24px 22px; border-right: 1px solid var(--line); background: var(--bg); overflow-y: auto; }
.brand { display: block; width: 180px; max-width: 100%; }
.brand img { display: block; width: 100%; height: auto; }
.edition { display: flex; flex-direction: column; gap: 2px; padding: 24px 0 22px; color: var(--muted); font: 11px/1.6 var(--mono); }
.edition-label { color: var(--text); font: 13px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.section-nav { display: grid; gap: 3px; }
.nav-label { margin: 18px 0 6px; color: #789380; font: 10px/1.5 var(--mono); letter-spacing: .09em; }
.nav-label:first-child { margin-top: 0; }
.section-nav a { padding: 5px 10px; margin-left: -10px; border-radius: 5px; color: var(--muted); text-decoration: none; font-size: 13px; line-height: 1.7; }
.section-nav a:hover { color: var(--text); background: var(--surface); }
.section-nav a[aria-current="location"] { color: var(--accent); background: #13251a; box-shadow: inset 2px 0 var(--accent); }
.sidebar-footer { margin-top: auto; padding-top: 30px; display: grid; gap: 8px; color: #789380; font-size: 11px; }
.sidebar-footer a { text-decoration: none; color: var(--muted); }
main { width: 100%; max-width: 1150px; margin: 0 auto; padding: 0 clamp(24px, 5vw, 72px); min-width: 0; }
.topbar { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.crumb { margin: 0 12px; color: #587160; }
.topbar div { display: flex; gap: 24px; }
.topbar a { color: var(--muted); text-decoration: none; }
.topbar a:hover { color: var(--text); }
.intro { padding: 60px 0 45px; }
.eyebrow { margin: 0 0 14px; color: var(--accent); font: 10px/1.5 var(--mono); letter-spacing: .1em; }
.status-dot { display: inline-block; width: 6px; height: 6px; margin-right: 6px; border-radius: 50%; background: var(--accent); }
h1 { margin: 0 0 24px; font-size: clamp(40px, 5.2vw, 66px); font-weight: 650; line-height: 1.05; letter-spacing: -.055em; }
h2 { margin: 0 0 18px; font-size: clamp(26px, 3vw, 36px); font-weight: 620; line-height: 1.2; letter-spacing: -.035em; }
h3 { margin: 0 0 10px; font-size: 16px; font-weight: 650; line-height: 1.4; letter-spacing: -.015em; }
p { margin: 0 0 18px; }
.intro-copy { max-width: 640px; margin-bottom: 28px; color: var(--muted); font-size: 18px; line-height: 1.7; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 24px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 42px; padding: 9px 16px; border-radius: 5px; text-decoration: none; font-size: 13px; font-weight: 600; }
.button.primary { background: var(--accent); color: #07200d; border: 1px solid var(--accent); }
.button.primary:hover { background: #79f194; border-color: #79f194; }
.button.secondary { border: 1px solid var(--line-strong); color: var(--text); }
.button.secondary:hover { background: var(--surface); }
.release-line { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; color: #879e8e; font-size: 11px; }
.release-line a { color: var(--muted); text-decoration: none; }
.badge { padding: 2px 7px; border: 1px solid #385440; border-radius: 4px; color: var(--link); background: #112317; font-size: 10px; }
.entry-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 35px; }
.entry-grid a { position: relative; display: grid; gap: 6px; padding: 18px; border: 1px solid var(--line); border-radius: 7px; text-decoration: none; }
.entry-grid a:hover { border-color: var(--line-strong); background: var(--surface); }
.entry-grid strong { color: var(--text); font-size: 14px; font-weight: 600; }
.entry-grid a > span:last-of-type { max-width: 170px; color: var(--muted); font-size: 12px; line-height: 1.5; }
.entry-number { color: #789380; font: 10px var(--mono); margin-bottom: 8px; }
.entry-grid b { position: absolute; top: 14px; right: 15px; color: #789380; font-weight: 400; }
.doc-section { padding: 46px 0; border-top: 1px solid var(--line); scroll-margin-top: 28px; }
.section-head { max-width: 720px; margin-bottom: 25px; }
.section-head p:not(.eyebrow), .doc-section > p { color: var(--muted); }
code { color: #ccecd4; font: .85em/1.6 var(--mono); overflow-wrap: anywhere; }
p code { background: #15201a; border: 1px solid #253a2c; border-radius: 3px; padding: 1px 4px; }
.code-block { margin: 24px 0 20px; border: 1px solid var(--line); border-radius: 7px; background: #0d1510; overflow: hidden; }
.code-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 9px 14px; border-bottom: 1px solid var(--line); color: #86a38f; font: 10px/1.5 var(--mono); }
.code-header button { min-height: 28px; padding: 3px 9px; border: 1px solid var(--line-strong); border-radius: 4px; background: transparent; color: var(--muted); font: 11px/1.4 var(--mono); cursor: pointer; }
.code-header button:hover { border-color: var(--accent); color: var(--accent); }
pre { margin: 0; padding: 18px; overflow-x: auto; tab-size: 4; }
pre code { font-size: 12px; line-height: 1.85; white-space: pre; overflow-wrap: normal; }
.connection-details { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0 0 22px; padding: 0; border: 1px solid var(--line); border-radius: 6px; }
.connection-details div { padding: 13px 16px; }
.connection-details div + div { border-left: 1px solid var(--line); }
dt { margin-bottom: 5px; color: #789380; font: 10px var(--mono); }
dd { margin: 0; font-size: 12px; }
.callout { display: flex; align-items: flex-start; gap: 12px; padding: 16px; background: #112017; border: 1px solid #2d4935; border-radius: 6px; }
.callout-icon { flex: 0 0 17px; height: 17px; border: 1px solid #6d9a77; border-radius: 50%; color: var(--link); text-align: center; font: 11px/15px var(--mono); margin-top: 3px; }
.callout strong { font-size: 13px; font-weight: 600; }
.callout p { margin: 5px 0 0; color: var(--muted); font-size: 12px; line-height: 1.75; }
.next-link { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 24px; font-size: 13px; }
.next-link a, .inline-links a { text-decoration: none; }
.inline-links { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 22px; font-size: 12px; }
.result { display: grid; gap: 6px; padding: 13px 18px; border-left: 2px solid var(--accent); background: #101b14; margin-bottom: 22px; }
.result > span { color: #789380; font: 10px var(--mono); }
.result code { font-size: 12px; }
.architecture { margin: 30px 0 25px; border: 1px solid var(--line); border-radius: 8px; padding: 24px; background: var(--surface); }
.architecture-top { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.architecture-node { display: grid; gap: 5px; padding: 18px; border: 1px solid var(--line-strong); border-radius: 5px; background: var(--bg); }
.layer { color: #87a591; font: 9px var(--mono); letter-spacing: .08em; }
.architecture strong { font-size: 15px; font-weight: 600; }
.architecture-node > span:last-child { font-size: 11px; color: var(--muted); }
.architecture-link { display: flex; flex-direction: column; align-items: center; color: #829c8b; font: 10px/1.8 var(--mono); padding: 10px 0; }
.architecture-link > span:last-child { color: var(--accent); font-size: 18px; line-height: 1; }
.architecture-engine { display: grid; justify-items: center; gap: 8px; border: 1px solid #4f8b5e; border-radius: 6px; padding: 21px; background: #14291b; }
.architecture-engine > .layer { color: var(--accent); }
.architecture-engine > strong { font-size: 20px; }
.architecture-steps { width: 100%; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; margin: 13px 0 0; padding: 0; list-style: none; }
.architecture-steps li { display: grid; gap: 7px; padding: 15px 12px; border: 1px solid #37553e; border-radius: 4px; background: #102117; }
.architecture-steps strong { color: var(--link); font-size: 12px; }
.architecture-steps span { color: #a4b9aa; font-size: 10px; line-height: 1.6; }
.replication-note { display: grid; gap: 8px; padding: 19px 21px; margin: -5px 0 28px; border: 1px dashed var(--line-strong); border-radius: 6px; }
.replication-note strong { color: var(--text); font-size: 14px; font-weight: 600; }
.replication-note p { margin: 0; color: var(--muted); font-size: 12px; }
.replication-note a { font-size: 11px; text-decoration: none; }
.architecture-storage { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; padding: 18px; border: 1px solid var(--line-strong); border-radius: 5px; background: var(--bg); }
.architecture-storage span { color: var(--muted); font-size: 11px; }
.architecture-storage code { color: #85a28e; font-size: 10px; }
figcaption { margin-top: 19px; padding-top: 15px; border-top: 1px solid var(--line); color: #8ba593; font-size: 11px; line-height: 1.7; }
.two-column { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.two-column p { margin: 0; color: var(--muted); font-size: 13px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--line); }
.feature-grid article { display: flex; flex-direction: column; padding: 24px 20px; background: var(--bg); }
.feature-symbol { margin-bottom: 17px; color: var(--accent); font: 23px var(--mono); }
.feature-grid p { flex: 1; color: var(--muted); font-size: 12px; line-height: 1.75; }
.feature-grid a { margin-top: 5px; text-decoration: none; font-size: 11px; }
.use-case-list { border-top: 1px solid var(--line); }
.use-case-list article { display: grid; grid-template-columns: 30px minmax(0, 1fr) 210px; align-items: start; gap: 15px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.use-case-list article > span { color: #789380; font: 10px/2 var(--mono); }
.use-case-list h3 { font-size: 15px; }
.use-case-list p { color: var(--muted); font-size: 13px; margin: 0; }
.use-case-list code { margin-top: 4px; color: #82b88f; font-size: 10px; text-align: right; }
.use-case-list + p { margin-top: 20px; font-size: 12px; }
.workspace-summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 24px 0; border: 1px solid var(--line); border-radius: 6px; }
.workspace-summary div { display: grid; gap: 8px; padding: 16px 14px; }
.workspace-summary div + div { border-left: 1px solid var(--line); }
.workspace-summary span { color: var(--accent); font: 10px var(--mono); }
.workspace-summary strong { font-size: 13px; font-weight: 600; }
.workspace-summary p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.5; }
kbd { display: inline-block; padding: 1px 5px; border: 1px solid #405b48; border-bottom-width: 2px; border-radius: 4px; color: var(--link); font: 10px var(--mono); }
.guide-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 13px; margin-top: 28px; }
.guide-row a { display: grid; gap: 6px; padding: 16px; border: 1px solid var(--line); border-radius: 6px; text-decoration: none; }
.guide-row a:hover { background: var(--surface); border-color: var(--line-strong); }
.guide-row strong { color: var(--text); font-size: 13px; font-weight: 600; }
.guide-row span { color: var(--muted); font-size: 11px; }
.boundary-list { border-top: 1px solid var(--line); }
.boundary-list article { display: grid; grid-template-columns: 150px minmax(0, 1fr) 140px; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.boundary-list h3 { font-size: 13px; margin: 0; }
.boundary-list p { color: var(--muted); font-size: 12px; margin: 0; }
.boundary-list a { font-size: 11px; text-decoration: none; text-align: right; }
.guide-columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 35px; margin-top: 30px; }
.guide-columns > div { display: grid; align-content: start; gap: 9px; }
.guide-columns h3 { color: var(--text); font-size: 13px; margin-bottom: 6px; }
.guide-columns a { color: var(--muted); text-decoration: none; font-size: 12px; }
.guide-columns a:hover { color: var(--accent); }
.pages-note { margin-top: 35px; border-top: 1px solid var(--line); padding-top: 20px; }
.pages-note summary { cursor: pointer; color: var(--muted); font-size: 12px; }
.pages-note p { margin-top: 14px; color: var(--muted); font-size: 12px; }
footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding: 24px 0 35px; border-top: 1px solid var(--line); color: #789380; font-size: 10px; }
footer a { color: var(--muted); text-decoration: none; }
.skip { position: fixed; top: -100px; left: 16px; z-index: 10; padding: 8px 14px; background: var(--accent); color: #05210c; border-radius: 4px; }
.skip:focus { top: 12px; }
.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; }
@media (min-width: 1450px) { main { margin-left: max(0px, calc((100vw - 1450px) / 2)); margin-right: auto; } }
@media (max-width: 1100px) {
  .docs-layout { grid-template-columns: 220px minmax(0, 1fr); }
  .sidebar { padding-inline: 20px; }
  main { padding-inline: 34px; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .use-case-list article { grid-template-columns: 25px minmax(0, 1fr); }
  .use-case-list code { grid-column: 2; text-align: left; margin-top: -5px; }
  .boundary-list article { grid-template-columns: 120px minmax(0, 1fr); }
  .boundary-list a { grid-column: 2; text-align: left; margin-top: -10px; }
}
@media (max-width: 820px) {
  html { scroll-padding-top: 110px; }
  .docs-layout { display: block; }
  .sidebar { position: sticky; z-index: 2; top: 0; height: auto; max-height: none; padding: 14px 22px 0; border-right: 0; border-bottom: 1px solid var(--line); overflow: visible; }
  .brand { width: 150px; }
  .edition { position: absolute; top: 18px; right: 22px; padding: 0; font-size: 9px; }
  .edition-label { display: none; }
  .section-nav { display: flex; gap: 4px; overflow-x: auto; padding: 11px 0 9px; margin-top: 5px; }
  .section-nav .nav-label, .sidebar-footer { display: none; }
  .section-nav a { margin: 0; padding: 4px 8px; font-size: 11px; flex: 0 0 auto; }
  .section-nav a[aria-current="location"] { box-shadow: none; }
  main { padding-inline: 25px; }
  .topbar { min-height: 55px; font-size: 10px; }
  .topbar div { gap: 15px; }
  .intro { padding-top: 42px; }
  h1 { font-size: 48px; }
  .intro-copy { font-size: 16px; }
  .doc-section { padding: 37px 0; scroll-margin-top: 110px; }
  .entry-grid { gap: 8px; }
  .entry-grid a { padding: 15px; }
  .entry-grid strong { font-size: 12px; }
  .entry-grid a > span:last-of-type { font-size: 10px; }
  .architecture { padding: 18px; }
}
@media (max-width: 560px) {
  .sidebar { padding-inline: 18px; }
  .edition { right: 18px; }
  main { padding-inline: 20px; }
  h1 { font-size: 42px; }
  h2 { font-size: 27px; }
  .topbar > span { display: none; }
  .topbar { justify-content: flex-end; min-height: 46px; }
  .intro { padding-top: 31px; }
  .actions { display: grid; }
  .button { width: 100%; }
  .release-line { gap: 7px; font-size: 10px; }
  .dot-separator { display: none; }
  .entry-grid { grid-template-columns: 1fr; margin-top: 26px; }
  .entry-grid a { grid-template-columns: 25px 1fr; gap: 2px 8px; padding: 12px 14px; }
  .entry-number { grid-row: span 2; margin: 4px 0 0; }
  .entry-grid a > span:last-of-type { max-width: none; }
  .entry-grid strong { padding-right: 18px; }
  .connection-details { grid-template-columns: 1fr; }
  .connection-details div { display: grid; grid-template-columns: 85px 1fr; gap: 8px; padding: 10px 14px; }
  .connection-details div + div { border-left: 0; border-top: 1px solid var(--line); }
  dt { margin: 3px 0 0; }
  .architecture-top, .architecture-steps, .two-column, .feature-grid, .guide-row, .guide-columns { grid-template-columns: 1fr; }
  .architecture-node { padding: 14px; }
  .architecture-engine { padding: 18px 12px; }
  .architecture-storage { gap: 7px; }
  .architecture-storage span, .architecture-storage code { width: 100%; }
  .feature-grid article { padding: 20px; }
  .feature-symbol { margin-bottom: 12px; }
  .workspace-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .workspace-summary div:nth-child(3) { border-left: 0; }
  .workspace-summary div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .boundary-list article { grid-template-columns: 1fr; gap: 8px; }
  .boundary-list a { grid-column: 1; margin-top: 0; }
  .guide-columns { gap: 25px; }
  pre { padding: 14px; }
  pre code { font-size: 11px; }
  .result { padding: 12px 14px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* Light documentation identity; terminal examples retain a dark surface. */
.sidebar { background: #fff; }
.nav-label, .sidebar-footer, .entry-number, .entry-grid b, dt, .use-case-list article > span, footer { color: #566172; }
.section-nav a[aria-current="location"] { background: #e9efff; }
.crumb, .release-line, .architecture-link, .layer, figcaption { color: #566172; }
.button.primary { color: #fff; }
.button.primary:hover { background: #103caa; border-color: #103caa; }
.badge { background: #e9efff; color: #1747b5; border-color: #b8c9f2; }
.entry-grid a, .guide-row a { background: #fff; }
code { color: #23365e; }
p code { background: #eef1f6; border-color: #d9dde5; }
.code-block { background: #171a21; border-color: #272c36; }
.code-header { color: #c0c8d4; border-color: #343b47; }
.code-header button { color: #e3e8f1; border-color: #737c8b; }
.code-block pre code { color: #f0f3f9; }
.callout { background: #eaf0fc; border-color: #c8d5f0; }
.callout-icon { border-color: #1747b5; }
.result { background: #edf2fc; }
.result > span { color: #526179; }
.architecture-engine { background: #e8effd; border-color: #a9bde9; }
.architecture-steps li { background: #fff; border-color: #c6d4ee; }
.architecture-steps span, .architecture-storage code { color: #526179; }
.use-case-list code { color: #315bad; }
kbd { color: #244da8; border-color: #aab7cf; }
.skip { color: #fff; }
.hero-graph { margin: 32px 0 0; padding: 22px; border: 1px solid var(--line); border-radius: 10px; background: #eef0f4; }
.hero-graph svg { display: block; width: 100%; height: auto; }
.hero-graph img { display: block; width: 100%; height: auto; }
.hero-graph figcaption { margin-top: 12px; padding-top: 10px; }