:root {
  color-scheme: light;
  --ink: #202531;
  --muted: #626b7b;
  --dim: #626b7b;
  --canvas: #f5f6f8;
  --panel: #ffffff;
  --panel-2: #e9edfb;
  --line: #dde1e8;
  --line-strong: #c2cad8;
  --lime: #e1e7fa;
  --mint: #a3b2dc;
  --coral: #ff785a;
  --accent: #385ad5;
  --dark: #202531;
  --amber: #8a5b00;
  --red: #a6362c;
  --blue: #245e8b;
  --max: 1400px;
  --radius: 18px;
  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: 90px; }
body { margin: 0; background: var(--canvas); color: var(--ink); line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button, input { font: inherit; }
code, pre { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }

.docs-grid {
  position: fixed; inset: 0; pointer-events: none; opacity: .23;
  background-image: linear-gradient(to right, rgba(17,19,16,.045) 1px, transparent 1px);
  background-size: calc((100vw - 40px) / 6) 100%; background-position: 20px 0;
  mask-image: linear-gradient(to bottom, #000, transparent 78%);
}

.docs-header {
  position: sticky; top: 0; z-index: 30; width: min(var(--max), calc(100vw - 40px)); height: 78px; margin: 0 auto;
  display: flex; align-items: center; gap: 22px; padding: 0 30px;
  border-bottom: 1px solid var(--line); background: rgba(245,246,248,.96); backdrop-filter: blur(18px);
}
.docs-header::before { content: ""; position: fixed; z-index: -1; inset: 0 0 auto; height: 78px; background: rgba(245,246,248,.96); border-bottom: 1px solid var(--line); }
.docs-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 820; letter-spacing: -.055em; font-size: 21px; }
.brand-symbol { display: block; width: 34px; height: 34px; flex: 0 0 auto; }
.brand-name { white-space: nowrap; }
.docs-wordmark { margin-left: 8px; padding-left: 15px; border-left: 1px solid var(--line); color: var(--muted); font-size: 14px; font-weight: 650; letter-spacing: -.02em; }
.docs-badge { border: 1px solid var(--line); border-radius: 999px; padding: 4px 9px; color: var(--muted); font-size: 10px; letter-spacing: .09em; text-transform: uppercase; }
.header-links { margin-left: auto; display: flex; align-items: center; gap: 18px; }
.header-links a { color: var(--muted); text-decoration: none; font-size: 14px; }
.header-links a:hover { color: var(--ink); }
.header-links .header-cta { color: #f7f8f2; background: var(--dark); padding: 9px 14px; border-radius: 10px; font-weight: 720; }
.mobile-nav { display: none; margin-left: auto; width: 39px; height: 39px; border: 1px solid var(--line-strong); background: transparent; color: var(--ink); border-radius: 10px; }

.docs-shell { position: relative; max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 260px minmax(0, 860px) 220px; gap: 46px; padding: 0 30px; }
.sidebar { position: sticky; top: 78px; align-self: start; height: calc(100vh - 78px); padding: 28px 14px 36px 0; overflow-y: auto; border-right: 1px solid var(--line); }
.side-group { margin-bottom: 27px; }
[data-overview-nav] { position: sticky; top: -28px; z-index: 2; padding: 28px 0 12px; background: #f5f6f8; border-bottom: 1px solid var(--line); }
.side-label { margin: 0 0 8px 12px; color: var(--dim); font-size: 10px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.side-link { display: block; padding: 8px 12px; border-radius: 10px; color: var(--muted); text-decoration: none; font-size: 14px; }
.side-link:hover { color: var(--ink); background: rgba(255,255,255,.36); }
.side-link.active { color: var(--ink); background: var(--panel-2); font-weight: 700; }
.side-state { display: flex; gap: 9px; align-items: center; margin: 18px 12px 0; color: var(--muted); font-size: 12px; }
.state-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(56,90,213,.12); }

.docs-main { min-width: 0; padding: 44px 0 100px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 7px; color: var(--dim); font-size: 12px; margin-bottom: 25px; }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs a:hover { color: var(--accent); }
.doc-hero { padding-bottom: 32px; border-bottom: 1px solid var(--line); }
.eyebrow { margin: 0 0 14px; color: #626b7b; font-size: 11px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1 { margin: 0; max-width: 800px; font-size: clamp(30px, 3.5vw, 46px); line-height: 1.12; letter-spacing: -.035em; font-weight: 700; }
.hero-lead { max-width: 730px; margin: 18px 0 0; color: var(--muted); font-size: 16px; line-height: 1.68; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 27px; }
.meta-chip { border: 1px solid var(--line); border-radius: 999px; padding: 6px 10px; color: var(--muted); font-size: 12px; }
.meta-chip.live { color: var(--accent); border-color: rgba(56,90,213,.28); background: #e9edfb; }

.start-panel { margin-top: 30px; padding: 25px; border: 1px solid #dde1e8; border-radius: var(--radius); background: var(--panel-2); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.start-panel p { margin: 5px 0 0; font-size: 14px; }
.start-panel a { flex: 0 0 auto; padding: 10px 15px; border-radius: 10px; background: var(--dark); color: #f7f8f2; text-decoration: none; font-size: 13px; font-weight: 780; }

.doc-section { padding: 50px 0 0; }
.doc-section + .doc-section { margin-top: 8px; }
h2 { margin: 0 0 17px; font-size: 31px; line-height: 1.16; letter-spacing: -.035em; }
h3 { margin: 31px 0 10px; font-size: 20px; line-height: 1.25; letter-spacing: -.02em; }
p { color: var(--muted); }
.docs-main p, .docs-main li { max-width: 780px; }
.docs-main strong { color: var(--ink); }
.docs-main ul, .docs-main ol { padding-left: 23px; color: var(--muted); }
.docs-main li { margin: 7px 0; }
.docs-main li::marker { color: var(--accent); }
.text-link { color: var(--accent); text-underline-offset: 4px; text-decoration-color: rgba(56,90,213,.4); }

.card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; margin-top: 24px; }
.doc-card { position: relative; min-height: 180px; padding: 23px; border: 1px solid var(--line); background: #fafbfe; border-radius: var(--radius); text-decoration: none; transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.doc-card:hover { transform: translateY(-3px); border-color: var(--line-strong); background: var(--panel); }
.doc-card .card-icon { display: grid; place-items: center; width: 38px; height: 38px; color: var(--lime); background: var(--dark); border-radius: 11px; font-weight: 800; }
.doc-card h3 { margin: 23px 0 7px; font-size: 18px; }
.doc-card p { margin: 0; font-size: 14px; line-height: 1.55; }
.doc-card .arrow { position: absolute; top: 23px; right: 23px; color: var(--dim); }

.service-list { border-top: 1px solid var(--line); margin-top: 25px; }
.service-row { display: grid; grid-template-columns: minmax(170px, 1.25fr) minmax(230px, 2fr) 105px; gap: 20px; align-items: start; padding: 21px 0; border-bottom: 1px solid var(--line); }
.service-name { font-weight: 720; }
.service-name small { display: block; color: var(--dim); font-size: 11px; font-weight: 500; letter-spacing: .05em; margin-top: 2px; }
.service-copy { color: var(--muted); font-size: 14px; }
.service-status { justify-self: end; border-radius: 999px; border: 1px solid rgba(56,90,213,.25); color: var(--accent); padding: 4px 8px; font-size: 11px; white-space: nowrap; }
.service-status.private { border-color: var(--line); color: var(--muted); }

.callout { margin: 24px 0; padding: 18px 20px; border-left: 3px solid var(--accent); background: #edf0f7; border-radius: 0 14px 14px 0; }
.callout.warning { border-color: var(--amber); background: rgba(138,91,0,.06); }
.callout.security { border-color: var(--blue); background: rgba(36,94,139,.055); }
.callout strong { display: block; margin-bottom: 4px; font-size: 13px; letter-spacing: .03em; }
.callout p { margin: 0; font-size: 14px; }

.code-wrap { position: relative; margin: 21px 0; border: 1px solid #424b60; border-radius: 16px; overflow: hidden; background: var(--dark); }
.code-label { display: flex; align-items: center; justify-content: space-between; padding: 10px 15px; border-bottom: 1px solid #424b60; color: #b7c2dc; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
.copy-code { border: 0; background: transparent; color: var(--muted); cursor: pointer; font-size: 11px; }
.copy-code:hover { color: var(--lime); }
pre { margin: 0; padding: 18px; overflow-x: auto; color: #e1e7fa; font-size: 13px; line-height: 1.65; }
:not(pre) > code { padding: 2px 5px; border-radius: 4px; background: rgba(23,32,29,.07); color: #202531; font-size: .88em; }

.steps { counter-reset: step; display: grid; gap: 14px; margin-top: 25px; }
.step { position: relative; padding: 20px 20px 20px 63px; border: 1px solid var(--line); border-radius: 16px; background: #fafbfe; }
.step::before { counter-increment: step; content: counter(step, decimal-leading-zero); position: absolute; left: 20px; top: 19px; color: var(--accent); font-size: 12px; font-weight: 800; }
.step h3 { margin: 0 0 5px; font-size: 16px; }
.step p { margin: 0; font-size: 14px; }

.diagram { display: grid; gap: 8px; margin: 25px 0; }
.diagram-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.diagram-node { border: 1px solid var(--line); padding: 17px; background: var(--panel); border-radius: 14px; text-align: center; }
.diagram-node b { display: block; font-size: 13px; }
.diagram-node span { display: block; margin-top: 4px; color: var(--dim); font-size: 11px; }
.diagram-arrow { text-align: center; color: var(--dim); font-size: 17px; line-height: 1; }

.page-toc { position: sticky; top: 99px; align-self: start; padding-top: 31px; }
.page-toc p { margin: 0 0 10px; color: var(--dim); font-size: 10px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.page-toc a { display: block; padding: 5px 0 5px 12px; border-left: 1px solid var(--line); color: var(--dim); text-decoration: none; font-size: 12px; line-height: 1.4; }
.page-toc a:hover, .page-toc a.current { color: var(--accent); border-color: var(--accent); }
.doc-footer { margin-top: 62px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 20px; color: var(--dim); font-size: 12px; }
.doc-footer a { color: var(--muted); }

@media (max-width: 1120px) {
  .docs-shell { grid-template-columns: 230px minmax(0, 1fr); gap: 34px; }
  .page-toc { display: none; }
}
@media (max-width: 760px) {
  .docs-header { width: calc(100vw - 28px); height: 68px; padding: 0; }
  .docs-header::before { height: 68px; }
  .docs-badge, .header-links { display: none; }
  .mobile-nav { display: block; }
  .docs-shell { display: block; padding: 0 19px; }
  .sidebar { position: fixed; z-index: 25; inset: 68px 0 0 0; height: auto; padding: 25px 19px; border: 0; background: #f5f6f8; transform: translateX(-105%); transition: transform .2s ease; }
  .sidebar.open { transform: translateX(0); }
  .docs-main { padding-top: 43px; }
  h1 { font-size: 32px; }
  .hero-lead { font-size: 16px; }
  .card-grid, .diagram-row { grid-template-columns: 1fr; }
  .service-row { grid-template-columns: 1fr; gap: 7px; }
  .service-status { justify-self: start; }
  .doc-footer { flex-direction: column; }
  .start-panel { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* Match the current owner landing: neutral paper, blue actions, X·MP wordmark. */
.docs-grid { display: none; }
.docs-brand { gap: 0; font-size: 28px; letter-spacing: -2px; font-weight: 800; }
.brand-name span { color: var(--accent); margin: 0 3px; }
.docs-wordmark { letter-spacing: -.02em; }
.header-links .header-cta, .start-panel a { background: var(--accent); color: #fff; border-radius: 8px; font-weight: 600; }
.header-links .header-cta:hover, .start-panel a:hover { background: #2845b2; }
.side-link.active { color: var(--accent); }
h1 { font-weight: 550; letter-spacing: -.052em; }
h2, h3 { font-weight: 550; letter-spacing: -.035em; }
.doc-card .card-icon { color: var(--accent); background: var(--panel-2); }
.copy-code { color: #b7c2dc; }
a:focus-visible, button:focus-visible { outline: 3px solid #5577ec; outline-offset: 4px; }
@media (max-width: 360px) { .docs-wordmark { font-size: 12px; padding-left: 10px; } }

/* Marketplace navigation uses the existing X-MP docs palette. */
.marketplace-tabs { display: flex; gap: 6px; padding: 5px; margin: 0 0 28px;
  width: fit-content; max-width: 100%; border: 1px solid var(--line);
  border-radius: 12px; background: var(--panel); }
.marketplace-tabs a { display: block; padding: 10px 22px; border-radius: 8px;
  color: var(--muted); font-size: 15px; font-weight: 650; text-decoration: none;
  line-height: 1.5; text-align: center; }
.marketplace-tabs a:hover { background: var(--canvas); color: var(--ink); }
.marketplace-tabs a.active { background: var(--panel-2); color: var(--accent); }
.marketplace-tabs a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (max-width: 600px) {
  .marketplace-tabs { width: 100%; }
  .marketplace-tabs a { flex: 1; padding: 10px 12px; }
}