/* =====================================================================
   Concierge Docs — design system
   Dense, technical, warm. Stripe/Cloudflare lineage with a small-business
   warmth. Cloudflare orange retained as accent; paired with deep ink and
   a single olive for code/keyword highlights.
   ===================================================================== */

@import url("https://fonts.googleapis.com/css2?family=Inter+Tight:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Source+Serif+4:opsz,wght@8..60,400;8..60,600&display=swap");

:root {
  /* ink */
  --ink-0: #0c0d10;
  --ink-1: #1a1c20;
  --ink-2: #2c2f36;
  --ink-3: #51565f;
  --ink-4: #797f88;
  --ink-5: #a3a8b0;

  /* paper */
  --paper-0: #ffffff;
  --paper-1: #fbfaf7;     /* page bg, very warm white */
  --paper-2: #f4f2ec;     /* code/inline */
  --paper-3: #ebe8df;     /* hairlines */
  --paper-4: #d9d5c8;

  /* accents */
  --orange-600: #c8521f;
  --orange-500: #e86a2c;  /* primary */
  --orange-400: #f0875a;
  --orange-50:  #fdf1e8;

  --olive-700: #3f4a1b;
  --olive-600: #5b6b27;
  --olive-100: #eaecd5;

  --teal-700: #1c5c63;
  --teal-100: #d6ebed;

  --rose-700: #9a3a3a;
  --rose-100: #f7dede;

  --amber-700: #8a5a1a;
  --amber-100: #f7e7c4;

  /* type */
  --font-sans: "Inter Tight", "Inter", system-ui, -apple-system, sans-serif;
  --font-serif: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* layout */
  --sidebar-w: 264px;
  --toc-w: 220px;
  --topbar-h: 56px;
  --content-max: 760px;
  --gutter: 40px;

  /* depth */
  --shadow-sm: 0 1px 0 rgba(12, 13, 16, 0.04), 0 0 0 1px rgba(12, 13, 16, 0.05);
  --shadow-md: 0 1px 2px rgba(12, 13, 16, 0.06), 0 4px 12px rgba(12, 13, 16, 0.05);
  --shadow-lg: 0 2px 4px rgba(12, 13, 16, 0.06), 0 18px 40px -12px rgba(12, 13, 16, 0.18);

  /* radii */
  --r-xs: 3px;
  --r-sm: 5px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 18px;

  /* tokens */
  --bg: var(--paper-1);
  --surface: var(--paper-0);
  --surface-2: var(--paper-2);
  --border: var(--paper-3);
  --border-strong: var(--paper-4);
  --text: var(--ink-1);
  --text-muted: var(--ink-3);
  --text-faint: var(--ink-4);
  --accent: var(--orange-500);
  --accent-deep: var(--orange-600);
}

/* =====================================================================
   Reset & base
   ===================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html {
  font-size: 15px;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
body {
  font-family: var(--font-sans);
  font-feature-settings: "ss01", "cv11";
  line-height: 1.55;
  letter-spacing: -0.005em;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }

/* =====================================================================
   Top bar
   ===================================================================== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--topbar-h);
  background: rgba(251, 250, 247, 0.86);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 18px;
  min-width: 0;
}
.topbar__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.018em;
  color: var(--ink-1);
  flex: 0 0 auto;
}
.topbar__brand-mark {
  width: 24px;
  height: 24px;
  background: var(--accent);
  border-radius: 6px;
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  color: #fff;
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 600;
  font-size: 14px;
  line-height: 1;
}
.topbar__brand-mark::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 100% at 0% 0%, rgba(255,255,255,0.35), rgba(255,255,255,0) 60%);
}
.topbar__title {
  font-size: 14.5px;
  white-space: nowrap;
}
.topbar__divider {
  width: 1px;
  height: 18px;
  background: var(--border-strong);
}
.topbar__product {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.01em;
  white-space: nowrap;
  flex: 0 0 auto;
}
.topbar__product strong { color: var(--text); font-weight: 600; }
.topbar__search {
  flex: 1 1 240px;
  min-width: 0;
  max-width: 320px;
  position: relative;
}
.topbar__search-input {
  width: 100%;
  height: 32px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0 36px 0 32px;
  font: inherit;
  font-size: 13px;
  color: var(--text);
}
.topbar__search-input::placeholder { color: var(--text-faint); }
.topbar__search-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--orange-50); }
.topbar__search-icon {
  position: absolute;
  left: 9px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-faint);
  pointer-events: none;
}
.topbar__kbd {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-faint);
  border: 1px solid var(--border);
  background: var(--surface-2);
  padding: 2px 5px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}
.topbar__nav { display: flex; gap: 14px; align-items: center; flex: 0 0 auto; white-space: nowrap; }
.topbar__nav a {
  font-size: 13px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.topbar__nav a:hover { color: var(--text); }
.topbar__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 12px;
  background: var(--ink-1);
  color: var(--paper-0);
  font-size: 12.5px;
  font-weight: 500;
  border-radius: 999px;
  letter-spacing: 0.005em;
  white-space: nowrap;
  flex: 0 0 auto;
}
.topbar__cta:hover { background: var(--ink-0); }

@media (max-width: 1180px) {
  .topbar__product, .topbar__divider { display: none; }
}
@media (max-width: 980px) {
  .topbar__search { display: none; }
}
@media (max-width: 760px) {
  .topbar__nav a:not(.topbar__cta) { display: none; }
}

/* =====================================================================
   Layout shell
   ===================================================================== */
.shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  align-items: start;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
}

.sidebar {
  position: sticky;
  top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: 28px 16px 60px 0;
  border-right: 1px solid var(--border);
  font-size: 13.5px;
}
.sidebar__group { margin-bottom: 22px; }
.sidebar__group-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  padding: 0 12px 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar__group-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}
.sidebar__list { list-style: none; margin: 0; padding: 0; }
.sidebar__list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 12px;
  border-radius: var(--r-sm);
  color: var(--ink-2);
  line-height: 1.4;
  transition: background 0.08s, color 0.08s;
  position: relative;
  white-space: nowrap;
  min-width: 0;
}
.sidebar__list a > :not(.dot):not(.badge) {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}
/* the bare text node case — wrap label in a span at usage sites where needed */
.sidebar__list a {
  overflow: hidden;
}
.sidebar__list a:hover { background: var(--paper-2); color: var(--ink-0); }
.sidebar__list a.is-current {
  color: var(--ink-0);
  font-weight: 500;
  background: transparent;
}
.sidebar__list a.is-current::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.sidebar__list .dot {
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--paper-4);
  flex: 0 0 auto;
}
.sidebar__list a.is-current .dot { background: var(--accent); }
.sidebar__list .badge {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.04em;
  color: var(--text-faint);
  background: var(--paper-2);
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid var(--border);
  flex: 0 0 auto;
  white-space: nowrap;
}

/* =====================================================================
   Content
   ===================================================================== */
.content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--toc-w);
  gap: 60px;
  padding: 40px 0 96px 40px;
}
.content__main { max-width: var(--content-max); min-width: 0; }
.content__toc {
  position: sticky;
  top: calc(var(--topbar-h) + 28px);
  align-self: start;
  font-size: 12.5px;
  border-left: 1px solid var(--border);
  padding-left: 16px;
}
.content__toc h4 {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  margin: 0 0 8px;
}
.content__toc ul { list-style: none; margin: 0; padding: 0; }
.content__toc li { margin: 0; }
.content__toc a {
  display: block;
  padding: 4px 0;
  color: var(--text-muted);
  line-height: 1.45;
  transition: color 0.1s;
}
.content__toc a:hover { color: var(--ink-0); }
.content__toc a.is-current { color: var(--accent-deep); }
.content__toc li.lvl-3 a { padding-left: 12px; font-size: 12px; }

@media (max-width: 1100px) {
  .content { grid-template-columns: 1fr; gap: 0; padding: 32px 0 80px 28px; }
  .content__toc { display: none; }
}
@media (max-width: 820px) {
  .shell { grid-template-columns: 1fr; padding: 0 18px; }
  .sidebar { display: none; }
  .content { padding: 24px 0 80px; }
}

/* =====================================================================
   Page header (eyebrow / title / lede)
   ===================================================================== */
.page-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 14px;
}
.page-eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--accent);
}
.page-title {
  font-size: 38px;
  line-height: 1.08;
  letter-spacing: -0.025em;
  font-weight: 600;
  margin: 0 0 12px;
  color: var(--ink-0);
  font-feature-settings: "ss01", "cv11";
}
.page-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.page-lede {
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink-2);
  margin: 0 0 28px;
  max-width: 60ch;
}
.page-meta {
  display: flex;
  flex-wrap: wrap;
  column-gap: 28px;
  row-gap: 6px;
  gap: 6px 16px;
  font-size: 12px;
  color: var(--text-faint);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  padding-bottom: 18px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.page-meta span { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.page-meta b { color: var(--ink-2); font-weight: 500; }

/* breadcrumb */
.crumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  white-space: nowrap;
  gap: 6px;
  font-size: 12px;
  color: var(--text-faint);
  margin-bottom: 14px;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.crumb a:hover { color: var(--ink-1); }
.crumb__sep { opacity: 0.5; }

/* =====================================================================
   Typography (prose)
   ===================================================================== */
.prose h2 {
  font-size: 22px;
  letter-spacing: -0.018em;
  font-weight: 600;
  color: var(--ink-0);
  margin: 56px 0 14px;
  scroll-margin-top: calc(var(--topbar-h) + 16px);
  position: relative;
}
.prose h2::before {
  content: "§";
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--paper-4);
  position: absolute;
  left: -28px;
  top: 2px;
  font-size: 22px;
}
.prose h3 {
  font-size: 16px;
  letter-spacing: -0.012em;
  font-weight: 600;
  color: var(--ink-1);
  margin: 32px 0 8px;
  scroll-margin-top: calc(var(--topbar-h) + 16px);
}
.prose h4 {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-1);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 24px 0 6px;
}
.prose p { margin: 0 0 14px; color: var(--ink-2); }
.prose p strong { color: var(--ink-0); font-weight: 600; }
.prose a { color: var(--accent-deep); border-bottom: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); }
.prose a:hover { background: var(--orange-50); }
.prose ul, .prose ol { margin: 0 0 18px; padding-left: 22px; color: var(--ink-2); }
.prose li { margin: 4px 0; }
.prose li::marker { color: var(--text-faint); }
.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 36px 0;
}
.prose > :first-child { margin-top: 0; }

/* =====================================================================
   Code
   ===================================================================== */
.prose code, code.inline {
  font-family: var(--font-mono);
  font-size: 12.5px;
  background: var(--paper-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--olive-700);
  letter-spacing: -0.005em;
}
.prose a code { color: inherit; }

.codeblock {
  position: relative;
  margin: 16px 0 22px;
  background: var(--ink-0);
  color: #e5e7eb;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--ink-1);
}
.codeblock__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.02);
}
.codeblock__lang {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: #9ca3af;
  text-transform: uppercase;
}
.codeblock__file {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: #d1d5db;
}
.codeblock__copy {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #9ca3af;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.12);
  padding: 3px 9px;
  border-radius: 4px;
  cursor: pointer;
}
.codeblock__copy:hover { color: #fff; border-color: rgba(255,255,255,0.25); }
.codeblock pre {
  margin: 0;
  padding: 14px 16px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.65;
  color: #e5e7eb;
}
.codeblock pre code { background: none; border: none; padding: 0; color: inherit; font-size: inherit; }

/* simple syntax tints (manual, no JS highlighter) */
.tok-c  { color: #6b7280; font-style: italic; }   /* comment */
.tok-k  { color: #f0875a; }                        /* keyword */
.tok-s  { color: #a3c167; }                        /* string */
.tok-n  { color: #6cb6c4; }                        /* number/path */
.tok-f  { color: #e8c275; }                        /* function */
.tok-p  { color: #cdd2d8; }                        /* punctuation */
.tok-v  { color: #c890e3; }                        /* variable */

/* =====================================================================
   Tables
   ===================================================================== */
.table-wrap {
  margin: 18px 0 24px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface);
  overflow: hidden;
}
.table-wrap__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 14px;
  background: var(--paper-2);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.02em;
}
.table-wrap__head b { color: var(--ink-1); font-weight: 600; }
.table-wrap__head .count {
  margin-left: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 10.5px;
  color: var(--text-faint);
  white-space: nowrap;
  flex-shrink: 0;
  align-self: center;
}
.prose table, table.docs {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.prose table th, table.docs th {
  text-align: left;
  font-weight: 500;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  background: var(--paper-1);
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
}
.prose table td, table.docs td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  color: var(--ink-2);
}
.prose table tr:last-child td, table.docs tr:last-child td { border-bottom: none; }
.prose table td code, table.docs td code {
  background: transparent;
  border: none;
  padding: 0;
  color: var(--ink-0);
  font-weight: 500;
}
table.docs td.muted { color: var(--text-muted); }

/* =====================================================================
   Callouts
   ===================================================================== */
.callout {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 12px;
  padding: 14px 16px 14px 14px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 13.5px;
  line-height: 1.55;
  margin: 18px 0 22px;
  color: var(--ink-2);
  position: relative;
  border-left: 3px solid var(--paper-4);
}
.callout__icon {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 600;
  font-size: 11.5px;
  flex: 0 0 auto;
  margin-top: 1px;
}
.callout__body strong { display: block; color: var(--ink-0); margin-bottom: 2px; font-weight: 600; }
.callout__body p { margin: 0; }
.callout__body p + p { margin-top: 6px; }
.callout--note { border-left-color: var(--teal-700); }
.callout--note .callout__icon { background: var(--teal-100); color: var(--teal-700); }
.callout--tip { border-left-color: var(--olive-600); }
.callout--tip .callout__icon { background: var(--olive-100); color: var(--olive-700); }
.callout--warn { border-left-color: var(--amber-700); }
.callout--warn .callout__icon { background: var(--amber-100); color: var(--amber-700); }
.callout--danger { border-left-color: var(--rose-700); }
.callout--danger .callout__icon { background: var(--rose-100); color: var(--rose-700); }

/* =====================================================================
   Cards / nav grid (overview)
   ===================================================================== */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 14px 0 28px;
}
@media (max-width: 720px) { .cards { grid-template-columns: 1fr; } }
.card {
  display: block;
  padding: 18px 18px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: border-color 0.1s, transform 0.08s;
  position: relative;
  overflow: hidden;
}
.card:hover { border-color: var(--accent); }
.card:hover .card__arrow { transform: translateX(2px); color: var(--accent-deep); }
.card__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.card__chip {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  border: 1px solid var(--border);
  background: var(--paper-1);
  padding: 1px 6px;
  border-radius: 3px;
}
.card__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-0);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card__arrow {
  margin-left: auto;
  color: var(--text-faint);
  transition: transform 0.12s, color 0.1s;
}
.card__desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}
.card__foot {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  padding-top: 10px;
  border-top: 1px dashed var(--border);
}

/* =====================================================================
   Screenshot gallery — shows live captures of the public site, generated
   by `npm run screenshots`. PNGs land in doc/screenshots/.
   ===================================================================== */
.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 14px 0 28px;
}
@media (max-width: 720px) { .gallery { grid-template-columns: 1fr; } }
.gallery__tile {
  display: block;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--paper-2);
  transition: border-color 0.1s, transform 0.08s;
  text-decoration: none;
}
.gallery__tile:hover { border-color: var(--accent); }
.gallery__tile img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top center;
  background: var(--paper-3);
}
.gallery__tile--mobile img {
  aspect-ratio: 9 / 16;
  object-fit: cover;
}
.gallery__cap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--ink-0);
  background: var(--surface);
}
.gallery__cap b { font-weight: 600; }
.gallery__cap span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
}

/* =====================================================================
   Hero / pipeline diagram (overview + how-it-works)
   ===================================================================== */
.hero {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--paper-0) 0%, var(--paper-1) 100%);
  border-radius: var(--r-lg);
  padding: 22px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}
.hero__caption {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero__caption::after { content: ""; flex: 1; height: 1px; background: var(--border); }

.pipeline {
  display: grid;
  grid-template-columns: minmax(170px, 1fr) auto minmax(190px, 1.1fr) auto minmax(190px, 1.2fr);
  gap: 12px;
  align-items: stretch;
  font-size: 13px;
}
.pipeline__col { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.pipeline__col-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 2px;
}
.pipeline__node {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  box-shadow: var(--shadow-sm);
  position: relative;
}
.pipeline__node-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  flex: 0 0 auto;
}
.pipeline__node-dot.wa { background: #25d366; }
.pipeline__node-dot.ig { background: linear-gradient(135deg, #f58529, #dd2a7b); }
.pipeline__node-dot.em { background: var(--orange-500); }
.pipeline__node-dot.lf { background: var(--teal-700); }
.pipeline__node-text { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.pipeline__node-text b { font-size: 12.5px; color: var(--ink-1); font-weight: 600; }
.pipeline__node-text span { font-family: var(--font-mono); font-size: 10px; color: var(--text-faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.pipeline__core {
  background: var(--ink-0);
  color: var(--paper-1);
  border: 1px solid var(--ink-1);
  border-radius: var(--r-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-self: center;
  min-height: 100%;
  box-shadow: var(--shadow-md);
}
.pipeline__core-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-4);
}
.pipeline__core-step {
  font-size: 12px;
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 8px;
  align-items: baseline;
  color: #d8d4c4;
}
.pipeline__core-step b { color: var(--paper-1); font-weight: 500; }
.pipeline__core-step .num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--orange-400);
}

.pipeline__action {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  font-size: 12.5px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  box-shadow: var(--shadow-sm);
}
.pipeline__action b { color: var(--ink-1); font-weight: 600; font-size: 12.5px; }
.pipeline__action span { color: var(--text-muted); font-size: 11.5px; line-height: 1.35; }

.pipeline__connector {
  align-self: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--paper-4);
}
.pipeline__connector-line {
  width: 24px;
  height: 1px;
  background: linear-gradient(90deg, var(--paper-4), var(--orange-400));
  position: relative;
}
.pipeline__connector-line::after {
  content: "";
  position: absolute;
  right: -1px; top: -3px;
  border-left: 5px solid var(--orange-500);
  border-top: 3.5px solid transparent;
  border-bottom: 3.5px solid transparent;
}
.pipeline__connector-label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .pipeline { grid-template-columns: 1fr; }
  .pipeline__connector { flex-direction: row; transform: rotate(90deg); justify-self: center; }
}

/* =====================================================================
   Status / pills
   ===================================================================== */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--paper-1);
  color: var(--text-muted);
}
.pill--live { color: var(--olive-700); border-color: var(--olive-100); background: var(--olive-100); }
.pill--beta { color: var(--amber-700); border-color: var(--amber-100); background: var(--amber-100); }
.pill--accent { color: #fff; border-color: var(--accent); background: var(--accent); }
.pill--ink { color: var(--paper-1); border-color: var(--ink-0); background: var(--ink-0); }
.pill__dot { width: 5px; height: 5px; border-radius: 999px; background: currentColor; }

/* =====================================================================
   Steps (numbered)
   ===================================================================== */
.steps {
  list-style: none;
  margin: 16px 0 28px;
  padding: 0;
  counter-reset: step;
}
.steps > li {
  position: relative;
  padding: 0 0 22px 44px;
  border-left: 1px dashed var(--border);
  margin-left: 14px;
  counter-increment: step;
}
.steps > li:last-child { border-left: 1px dashed transparent; padding-bottom: 4px; }
.steps > li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: -14px;
  top: -2px;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--ink-1);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-sm);
}
.steps > li > h3 {
  margin: 0 0 6px;
  font-size: 14.5px;
  letter-spacing: -0.01em;
  font-weight: 600;
  color: var(--ink-0);
}
.steps > li > p { font-size: 13.5px; color: var(--ink-2); margin: 0 0 8px; }
.steps > li .codeblock { margin: 8px 0 4px; }

/* =====================================================================
   Page footer (prev / next)
   ===================================================================== */
.pagernav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 56px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}
.pagernav__item {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface);
  transition: border-color 0.1s;
}
.pagernav__item:hover { border-color: var(--accent); }
.pagernav__dir {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 4px;
}
.pagernav__title {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-0);
  letter-spacing: -0.01em;
}
.pagernav__item--next { text-align: right; }

.docfoot {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  font-size: 12px;
  color: var(--text-faint);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  align-items: center;
}
.docfoot a:hover { color: var(--ink-1); }

/* =====================================================================
   Misc utilities
   ===================================================================== */
.kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--paper-2);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--ink-1);
}
.muted { color: var(--text-muted); }
.faint { color: var(--text-faint); }
.mono { font-family: var(--font-mono); }
.serif { font-family: var(--font-serif); font-style: italic; }

/* =====================================================================
   Reference grid (for setup numbered side notes)
   ===================================================================== */
.aside-block {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 14px 16px;
  background: var(--surface);
  font-size: 12.5px;
  margin: 12px 0 18px;
}
.aside-block__title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink-1);
  margin-bottom: 6px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.aside-block__title .pill { font-size: 9.5px; padding: 1px 6px; }
.aside-block dl { display: grid; grid-template-columns: max-content 1fr; column-gap: 14px; row-gap: 4px; margin: 0; }
.aside-block dt { color: var(--text-faint); font-family: var(--font-mono); font-size: 11px; }
.aside-block dd { margin: 0; color: var(--ink-2); }

/* =====================================================================
   Channel banner (used on integration pages)
   ===================================================================== */
.channel-banner {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  margin-bottom: 22px;
}
.channel-banner__icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: white;
  font-size: 22px;
  font-weight: 700;
}
.channel-banner__title { font-size: 18px; font-weight: 600; color: var(--ink-0); letter-spacing: -0.01em; }
.channel-banner__sub { font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.channel-banner__stats {
  display: flex;
  gap: 18px;
  align-items: center;
}
.channel-banner__stat { display: flex; flex-direction: column; align-items: flex-end; }
.channel-banner__stat-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-faint); }
.channel-banner__stat-value { font-size: 14.5px; font-weight: 600; color: var(--ink-1); font-family: var(--font-mono); }

/* =====================================================================
   Mobile overrides
   ===================================================================== */
@media (max-width: 640px) {
  html { font-size: 14.5px; }
  .page-title { font-size: 30px; }
  .pipeline { gap: 8px; }
}