/* Connect Design — internal portal
   Namespaced cd-* so it never collides with the shared xcojo-* CSS Engine. */

:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #eceef2;
  --ink: #1a1e26;
  --ink-2: #3a404c;
  --muted: #5d6472;
  --line: #dde0e6;
  --line-strong: #c6cad3;
  --accent: #8a651f;          /* Xcojo brass */
  --accent-ink: #ffffff;
  --accent-soft: #f4ecdc;
  --ok: #1d7348;
  --warn: #9a5a06;
  --bad: #b42318;
  --focus: #2f6fd6;
  --shadow: 0 1px 2px rgba(26, 30, 38, .06), 0 8px 24px -12px rgba(26, 30, 38, .18);

  --serif: "EB Garamond", Garamond, "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans: "Gill Sans", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --top-h: 56px;
  --side-w: 268px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12151b; --surface: #191d25; --surface-2: #222733;
    --ink: #e8eaee; --ink-2: #c6cad2; --muted: #969dab;
    --line: #2a303c; --line-strong: #3a4150;
    --accent: #d8b064; --accent-ink: #1b1508; --accent-soft: #2c2618;
    --ok: #4cc38a; --warn: #e3a34a; --bad: #f2786d; --focus: #7aa7ff;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 12px 32px -12px rgba(0,0,0,.6);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #12151b; --surface: #191d25; --surface-2: #222733;
  --ink: #e8eaee; --ink-2: #c6cad2; --muted: #969dab;
  --line: #2a303c; --line-strong: #3a4150;
  --accent: #d8b064; --accent-ink: #1b1508; --accent-soft: #2c2618;
  --ok: #4cc38a; --warn: #e3a34a; --bad: #f2786d; --focus: #7aa7ff;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 12px 32px -12px rgba(0,0,0,.6);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--top-h) + 16px); }
body.cd-app, body.cd-signin {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
code, kbd { font-family: var(--mono); font-size: .86em; }
code { background: var(--surface-2); padding: .1em .35em; border-radius: 4px; }
kbd { border: 1px solid var(--line-strong); border-bottom-width: 2px; border-radius: 4px; padding: 0 .35em; color: var(--muted); background: var(--surface); }

.cd-skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--surface); padding: 8px 12px; }
.cd-skip:focus { left: 8px; }

/* ---------- top bar ---------- */
.cd-top {
  position: sticky; top: 0; z-index: 30; height: var(--top-h);
  display: flex; align-items: center; gap: 14px; padding: 0 16px;
  padding-left: max(16px, env(safe-area-inset-left));
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  -webkit-backdrop-filter: saturate(1.4) blur(14px); backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
}
.cd-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.cd-brand img { width: 28px; height: 28px; object-fit: contain; }
.cd-brand span { font: 600 20px/1 var(--serif); letter-spacing: -.005em; white-space: nowrap; }
.cd-env {
  font-size: 12px; font-weight: 600; color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  background: var(--accent-soft); padding: 2px 8px; border-radius: 999px;
}
.cd-search-trigger {
  margin-left: 12px; flex: 0 1 360px; display: flex; align-items: center; gap: 8px;
  height: 34px; padding: 0 10px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg); color: var(--muted); font: inherit; font-size: 14px; cursor: pointer; text-align: left;
}
.cd-search-trigger:hover { border-color: var(--line-strong); }
.cd-search-trigger span { flex: 1; }
.cd-search-trigger svg, .cd-icon-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }
.cd-top-end { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.cd-icon-btn { display: none; width: 36px; height: 36px; border: 0; background: none; color: var(--ink); border-radius: 8px; cursor: pointer; }
.cd-icon-btn:hover { background: var(--surface-2); }

.cd-theme { display: inline-flex; padding: 2px; border-radius: 8px; background: var(--surface-2); border: 1px solid var(--line); }
.cd-theme button {
  border: 0; background: none; color: var(--muted); font: inherit; font-size: 13px;
  padding: 4px 10px; border-radius: 6px; cursor: pointer;
}
.cd-theme button[aria-checked="true"] { background: var(--surface); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,.12); }

.cd-account { position: relative; }
.cd-account summary { list-style: none; cursor: pointer; border-radius: 999px; }
.cd-account summary::-webkit-details-marker { display: none; }
.cd-avatar {
  display: grid; place-items: center; width: 32px; height: 32px; border-radius: 999px;
  background: var(--accent); color: var(--accent-ink); font-size: 12px; font-weight: 700; letter-spacing: .02em;
}
.cd-account-menu {
  position: absolute; right: 0; top: calc(100% + 8px); width: 240px; padding: 14px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow);
}
.cd-account-name { margin: 0; font: 600 18px/1.2 var(--serif); }
.cd-account-meta { margin: 2px 0 12px; color: var(--muted); font-size: 13px; }

/* ---------- shell ---------- */
.cd-shell { display: grid; grid-template-columns: var(--side-w) minmax(0, 1fr); min-height: calc(100vh - var(--top-h)); }
.cd-side {
  position: sticky; top: var(--top-h); height: calc(100vh - var(--top-h)); overflow-y: auto;
  padding: 20px 12px 24px; border-right: 1px solid var(--line); background: var(--surface);
}
.cd-side-group { margin: 18px 10px 6px; font-size: 12.5px; font-weight: 600; color: var(--muted); }
.cd-side-group:first-child { margin-top: 0; }
.cd-side ul { list-style: none; margin: 0; padding: 0; }
.cd-side a {
  display: flex; gap: 10px; align-items: baseline; padding: 6px 10px; border-radius: 7px;
  text-decoration: none; color: var(--ink-2); font-size: 14px; line-height: 1.35;
}
.cd-side a:hover { background: var(--surface-2); color: var(--ink); }
.cd-side a[aria-current="page"] { background: var(--accent-soft); color: var(--ink); font-weight: 600; box-shadow: inset 2px 0 0 var(--accent); }
.cd-num { flex: none; min-width: 1.1em; font: 500 13px/1 var(--mono); color: var(--muted); text-align: right; }
.cd-side a[aria-current="page"] .cd-num { color: var(--accent); }
.cd-side-foot { margin: 24px 10px 0; display: flex; gap: 14px; font-size: 13px; }
.cd-side-foot a { padding: 0; color: var(--muted); display: inline; }

.cd-main { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 48px; padding: 40px 48px 64px; outline: none; }
.cd-article { max-width: 760px; min-width: 0; }

/* ---------- page head & prose ---------- */
.cd-crumb { margin: 0 0 6px; font-size: 13px; color: var(--accent); font-weight: 600; }
.cd-page-head h1 { margin: 0; font: 600 clamp(32px, 4vw, 46px)/1.08 var(--serif); letter-spacing: -.012em; }
.cd-lede { margin: 12px 0 0; font: 400 21px/1.4 var(--serif); font-style: italic; color: var(--muted); }
.cd-page-head { padding-bottom: 24px; margin-bottom: 28px; border-bottom: 1px solid var(--line); }

.cd-prose { font: 400 19px/1.62 var(--serif); color: var(--ink-2); }
.cd-prose > :first-child { margin-top: 0; }
.cd-prose p, .cd-prose ul { margin: 0 0 1em; max-width: 68ch; }
.cd-prose h2 { margin: 2em 0 .55em; font: 600 26px/1.2 var(--serif); color: var(--ink); scroll-margin-top: calc(var(--top-h) + 16px); }
.cd-prose ul { padding-left: 1.2em; }
.cd-prose li { margin: .35em 0; }
.cd-prose li::marker { color: var(--accent); }
.cd-prose strong { color: var(--ink); font-weight: 600; }
.cd-prose code { font-size: .78em; }

.cd-example {
  margin: 1.4em 0; padding: 14px 18px; border-radius: 10px;
  background: var(--surface); border: 1px solid var(--line); box-shadow: inset 3px 0 0 var(--accent);
}
.cd-example b { display: block; font: 600 13px/1.3 var(--sans); color: var(--accent); margin-bottom: 4px; }
.cd-example p { margin: 0; }

.cd-figure { margin: 1.5em 0; }
.cd-figure img { display: block; width: 100%; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); }
.cd-figure figcaption { margin-top: 8px; font: 13px/1.4 var(--sans); color: var(--muted); }
.cd-figure-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cd-figure-pair .cd-figure { margin: 0 0 1em; }

.cd-specimen { display: flex; align-items: center; gap: 22px; margin: 1.4em 0; padding: 18px 22px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); font-size: 16px; }
.cd-specimen-big { font: 500 72px/1 var(--serif); color: var(--accent); }

.cd-promise { margin: 1.2em 0; padding: 0; font: 500 clamp(26px, 3.4vw, 36px)/1.25 var(--serif); color: var(--ink); max-width: 22ch; }

.cd-chapters { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.cd-chapters a { display: grid; grid-template-columns: auto 1fr; column-gap: 12px; row-gap: 2px; height: 100%; padding: 16px 18px; background: var(--surface); text-decoration: none; }
.cd-chapters a:hover { background: var(--accent-soft); }
.cd-chapters .cd-num { grid-row: span 2; font-size: 14px; padding-top: 5px; color: var(--accent); }
.cd-chapters strong { font: 600 18px/1.25 var(--serif); }
.cd-chapters span:last-child { font: 14px/1.4 var(--sans); color: var(--muted); }

/* code blocks */
.cd-code { position: relative; margin: 1em 0 1.4em; }
.cd-code pre { margin: 0; padding: 16px 18px; overflow-x: auto; border-radius: 10px; background: #171a21; color: #e3e6ec; border: 1px solid var(--line); font-size: 13.5px; line-height: 1.6; }
.cd-code pre code { background: none; padding: 0; font-size: inherit; color: inherit; }
.cd-copy { position: absolute; top: 8px; right: 8px; border: 1px solid #3a404c; background: #232833; color: #c9cdd6; font: 12px/1 var(--sans); padding: 6px 9px; border-radius: 6px; cursor: pointer; }
.cd-copy:hover { color: #fff; }

.cd-note { font: 14.5px/1.5 var(--sans) !important; color: var(--muted); padding: 10px 14px; border-radius: 8px; background: var(--surface-2); }
.cd-muted { color: var(--muted); }

/* engine directory */
.cd-engines { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; margin: 1em 0; }
.cd-engine { display: flex; flex-direction: column; gap: 4px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); text-decoration: none; font-family: var(--sans); }
.cd-engine:hover { border-color: var(--accent); }
.cd-engine strong { font: 600 18px/1.25 var(--serif); color: var(--ink); }
.cd-engine span { font-size: 14px; line-height: 1.45; color: var(--muted); flex: 1; }
.cd-engine code { align-self: flex-start; margin-top: 6px; font-size: 12px; }

/* tables */
.cd-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; font-family: var(--sans); }
.cd-toolbar p { margin: 0; font-size: 14px; }
.cd-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); margin: 0 0 1.2em; }
.cd-table { width: 100%; border-collapse: collapse; font: 14px/1.4 var(--sans); }
.cd-table th, .cd-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
.cd-table thead th { font-size: 12.5px; font-weight: 600; color: var(--muted); background: var(--surface-2); }
.cd-table tbody tr:last-child > * { border-bottom: 0; }
.cd-table tbody th { font-weight: 600; color: var(--ink); }
.cd-table a { text-decoration: none; }
.cd-table-dense td { padding: 7px 14px; }
.cd-row-warn td { background: color-mix(in srgb, var(--bad) 7%, transparent); }
.cd-ms { font-family: var(--mono); font-size: 13px; color: var(--muted); }
.cd-status { display: flex; align-items: center; gap: 8px; }
.cd-dot { width: 8px; height: 8px; border-radius: 99px; background: var(--line-strong); }
.cd-dot[data-state="ok"] { background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 20%, transparent); }
.cd-dot[data-state="bad"] { background: var(--bad); box-shadow: 0 0 0 3px color-mix(in srgb, var(--bad) 20%, transparent); }
.cd-dot[data-state="pending"] { animation: cd-pulse 1.2s ease-in-out infinite; }
@keyframes cd-pulse { 50% { opacity: .35; } }
.cd-pill { font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: var(--surface-2); color: var(--muted); }
.cd-pill-ok { background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok); }

/* pager & toc */
.cd-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); }
.cd-pager a { display: flex; flex-direction: column; gap: 2px; padding: 12px 16px; border: 1px solid var(--line); border-radius: 10px; text-decoration: none; font: 600 17px/1.3 var(--serif); background: var(--surface); }
.cd-pager a:hover { border-color: var(--accent); }
.cd-pager small { font: 500 12.5px/1.3 var(--sans); color: var(--muted); }
.cd-pager-next { text-align: right; grid-column: 2; }

.cd-toc { position: sticky; top: calc(var(--top-h) + 40px); align-self: start; font-size: 13.5px; }
.cd-toc p { margin: 0 0 8px; font-weight: 600; color: var(--ink); }
.cd-toc ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.cd-toc a { display: block; padding: 4px 12px; margin-left: -1px; color: var(--muted); text-decoration: none; border-left: 2px solid transparent; }
.cd-toc a:hover { color: var(--ink); }
.cd-toc a.is-active { color: var(--ink); border-left-color: var(--accent); }

.cd-foot { padding: 18px 24px calc(18px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; text-align: center; }

/* buttons */
.cd-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 34px; padding: 0 14px; border-radius: 8px; border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink); font: 500 14px/1 var(--sans); cursor: pointer; }
.cd-btn:hover { background: var(--surface-2); }
.cd-btn-quiet { width: 100%; }
.cd-btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.cd-btn-primary:hover { background: color-mix(in srgb, var(--accent) 88%, var(--ink)); }
.cd-btn-block { width: 100%; height: 44px; font-size: 15px; }
.cd-btn:disabled { opacity: .5; cursor: not-allowed; }

/* command palette */
.cd-palette { position: fixed; inset: 0; z-index: 60; display: grid; place-items: start center; padding: 12vh 16px 16px; background: rgba(10, 12, 16, .42); }
.cd-palette[hidden] { display: none; }
.cd-palette-box { width: min(620px, 100%); background: var(--surface); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); overflow: hidden; }
.cd-palette input { width: 100%; height: 54px; padding: 0 18px; border: 0; border-bottom: 1px solid var(--line); background: none; color: var(--ink); font: 17px var(--sans); outline: none; }
.cd-palette ul { list-style: none; margin: 0; padding: 6px; max-height: 50vh; overflow-y: auto; }
.cd-palette li a { display: flex; justify-content: space-between; gap: 16px; padding: 9px 12px; border-radius: 8px; text-decoration: none; font-size: 15px; }
.cd-palette li a span { color: var(--muted); font-size: 13px; white-space: nowrap; }
.cd-palette li[aria-selected="true"] a { background: var(--accent-soft); }
.cd-palette-empty { margin: 0; padding: 18px; color: var(--muted); font-size: 14px; }

.cd-scrim { display: none; }
.cd-side-theme { display: none; margin: 20px 10px 0; }

/* ---------- sign in ---------- */
body.cd-signin {
  min-height: 100vh;
  background:
    radial-gradient(1200px 600px at 50% -10%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%),
    var(--bg);
}
.cd-signin-main { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 28px; padding: 32px 16px; }
.cd-signin-card { width: min(420px, 100%); padding: 36px 32px 30px; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); text-align: center; }
.cd-signin-logo { width: 44px; height: 44px; object-fit: contain; }
.cd-signin-card h1 { margin: 14px 0 6px; font: 600 34px/1.1 var(--serif); letter-spacing: -.01em; }
.cd-signin-sub { margin: 0 auto 26px; max-width: 32ch; color: var(--muted); font: 17px/1.45 var(--serif); }
.cd-code-form { text-align: left; }
.cd-code-form label { display: block; margin-bottom: 6px; font-size: 13px; font-weight: 600; color: var(--ink-2); }
.cd-code-field { position: relative; }
.cd-code-field input {
  width: 100%; height: 56px; padding: 0 16px 6px; border: 1px solid var(--line-strong); border-radius: 10px;
  background: var(--bg); color: var(--ink); font: 500 22px/1 var(--mono); letter-spacing: .14em; text-align: center; text-transform: uppercase;
}
.cd-code-field input::placeholder { color: var(--line-strong); }
.cd-code-field input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.cd-code-field.is-error input { border-color: var(--bad); }
.cd-code-meter { position: absolute; left: 14px; right: 14px; bottom: 8px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; pointer-events: none; }
.cd-code-meter i { height: 2px; border-radius: 2px; background: var(--line); overflow: hidden; position: relative; }
.cd-code-meter i::after { content: ""; position: absolute; inset: 0; background: var(--accent); transform: scaleX(var(--fill, 0)); transform-origin: left; transition: transform .18s ease-out; }
.cd-form-error { margin: 10px 0 0; color: var(--bad); font-size: 14px; }
.cd-form-help { margin: 10px 0 18px; color: var(--muted); font-size: 13px; }
.cd-signin-foot { display: flex; flex-direction: column; align-items: center; gap: 10px; color: var(--muted); font-size: 13px; text-align: center; }
.cd-signin-foot p { margin: 0; }

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .cd-main { grid-template-columns: minmax(0, 1fr); padding: 32px 36px 56px; }
  .cd-toc { display: none; }
}
@media (max-width: 880px) {
  .cd-icon-btn { display: inline-grid; place-items: center; }
  .cd-shell { grid-template-columns: minmax(0, 1fr); }
  .cd-side {
    position: fixed; z-index: 40; top: var(--top-h); left: 0; bottom: 0; height: auto; width: min(300px, 86vw);
    transform: translateX(-100%); transition: transform .22s ease-out; box-shadow: var(--shadow);
  }
  body.nav-open .cd-side { transform: none; }
  body.nav-open .cd-scrim { display: block; position: fixed; inset: var(--top-h) 0 0; z-index: 35; background: rgba(10, 12, 16, .35); }
  .cd-search-trigger { flex: 0 0 auto; margin-left: auto; width: 36px; padding: 0; justify-content: center; border: 0; background: none; }
  .cd-search-trigger span, .cd-search-trigger kbd, .cd-env { display: none; }
  .cd-top-end { margin-left: 0; }
  .cd-top .cd-theme { display: none; }
  .cd-side-theme { display: block; }
  .cd-main { padding: 24px 18px 48px; }
  .cd-prose { font-size: 18px; }
  .cd-figure-pair { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}