/* ==========================================================================
   VegaDūta Platform Documentation — corporate docs theme
   Self-contained: no external fonts or CSS frameworks required.
   ========================================================================== */

:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface-2: #f1f3f6;
  --ink: #1a2230;
  --ink-2: #45536a;
  --ink-3: #6b7a90;
  --line: #dfe4ec;
  --line-strong: #c4cddc;
  --brand: #1f5eff;
  --brand-dark: #1440b8;
  --brand-soft: #eaf0ff;
  --accent: #0e7a5f;
  --ok: #127a43;
  --ok-soft: #e6f6ec;
  --warn: #9a6200;
  --warn-soft: #fff4dd;
  --danger: #b3261e;
  --danger-soft: #fdecea;
  --info-soft: #e8f3ff;
  --info: #0b5cad;
  --code-bg: #f4f6fa;
  --code-ink: #233044;
  --mono: "Cascadia Code", "JetBrains Mono", Consolas, "Courier New", monospace;
  --sans: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --nav-w: 292px;
  --top-h: 56px;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
}

/* ---------------- top bar ---------------- */
#site-header {
  position: fixed; inset: 0 0 auto 0; height: var(--top-h);
  display: flex; align-items: center; gap: 14px;
  padding: 0 20px;
  background: #101828;
  color: #fff;
  z-index: 60;
  box-shadow: var(--shadow);
}
#site-header .brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 650; font-size: 15.5px; letter-spacing: .2px;
  color: #fff; text-decoration: none; white-space: nowrap;
}
#site-header .brand .mark {
  height: 30px; padding: 2px 6px; border-radius: 7px;
  background: #fff;
  display: inline-flex; align-items: center; justify-content: center;
}
#site-header .brand .mark img { height: 24px; width: auto; display: block; }
#site-header .brand small { color: #9aa7bd; font-weight: 500; font-size: 12px; }
#site-header .spacer { flex: 1; }
#nav-filter {
  width: 240px; max-width: 32vw;
  background: #1d2939; color: #e4e9f2;
  border: 1px solid #344054; border-radius: 6px;
  padding: 6px 10px; font-size: 13px; outline: none;
}
#nav-filter::placeholder { color: #7d8aa0; }
#nav-filter:focus { border-color: var(--brand); }
#nav-toggle {
  display: none;
  background: none; border: 0; color: #fff; font-size: 20px; cursor: pointer;
}

/* ---------------- sidebar ---------------- */
#site-nav {
  position: fixed; top: var(--top-h); bottom: 0; left: 0;
  width: var(--nav-w);
  overflow-y: auto;
  background: var(--surface);
  border-right: 1px solid var(--line);
  padding: 18px 0 60px;
  z-index: 40;
}
#site-nav .nav-section { margin-bottom: 6px; }
#site-nav .nav-section > .nav-section-title {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 20px 6px;
  font-size: 11px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--ink-3);
}
#site-nav .nav-num {
  display: inline-flex; min-width: 22px; height: 18px;
  align-items: center; justify-content: center;
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: 5px; font-size: 10px; font-weight: 700; color: var(--ink-2);
}
#site-nav a.nav-link {
  display: block; padding: 5px 20px 5px 34px;
  color: var(--ink-2); text-decoration: none; font-size: 13.5px;
  border-left: 3px solid transparent;
}
#site-nav a.nav-link:hover { background: var(--surface-2); color: var(--ink); }
#site-nav a.nav-link.active {
  color: var(--brand-dark); font-weight: 600;
  background: var(--brand-soft); border-left-color: var(--brand);
}
#site-nav a.nav-link.nav-hidden { display: none; }

/* ---------------- content ---------------- */
#content {
  margin-left: var(--nav-w);
  padding: calc(var(--top-h) + 34px) 44px 80px;
  max-width: 1180px;
}
.doc-body { max-width: 920px; }

h1 { font-size: 30px; line-height: 1.2; margin: 6px 0 10px; letter-spacing: -.01em; }
h2 { font-size: 21px; margin: 38px 0 12px; padding-top: 10px; border-top: 1px solid var(--line); }
h3 { font-size: 16.5px; margin: 26px 0 8px; }
h4 { font-size: 14.5px; margin: 20px 0 6px; color: var(--ink-2); }
p { margin: 10px 0; }
a { color: var(--brand); }
a:hover { color: var(--brand-dark); }
strong { font-weight: 650; }
ul, ol { padding-left: 24px; }
li { margin: 4px 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 30px 0; }
img { max-width: 100%; }
.lede { font-size: 16.5px; color: var(--ink-2); margin: 4px 0 18px; }

/* doc metadata strip */
.doc-meta {
  display: flex; flex-wrap: wrap; gap: 8px;
  align-items: center;
  font-size: 12px; color: var(--ink-3);
  margin-bottom: 4px;
}
.doc-meta .doc-id {
  font-family: var(--mono); font-size: 11px;
  background: var(--surface-2); border: 1px solid var(--line);
  padding: 2px 8px; border-radius: 5px; color: var(--ink-2);
}

/* status badges */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 700; letter-spacing: .04em;
  text-transform: uppercase;
  padding: 2px 9px; border-radius: 99px; border: 1px solid transparent;
  white-space: nowrap;
}
.badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.badge-verified   { background: var(--ok-soft);     color: var(--ok);     border-color: #bfe6cd; }
.badge-unverified { background: var(--warn-soft);   color: var(--warn);   border-color: #f0d9a8; }
.badge-live       { background: var(--ok-soft);     color: var(--ok);     border-color: #bfe6cd; }
.badge-draft      { background: var(--surface-2);   color: var(--ink-3);  border-color: var(--line-strong); }
.badge-deprecated { background: var(--danger-soft); color: var(--danger); border-color: #f3c2bd; }
.badge-staging    { background: var(--info-soft);   color: var(--info);   border-color: #bcd9f5; }

/* breadcrumbs */
.crumbs { font-size: 12.5px; color: var(--ink-3); margin-bottom: 2px; }
.crumbs a { color: var(--ink-3); text-decoration: none; }
.crumbs a:hover { color: var(--brand); }
.crumbs .sep { margin: 0 6px; color: var(--line-strong); }

/* callouts */
.callout {
  border: 1px solid var(--line); border-left-width: 4px;
  border-radius: var(--radius); background: var(--surface);
  padding: 12px 16px; margin: 16px 0;
  font-size: 14px;
}
.callout > .callout-title { font-weight: 700; font-size: 12px; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 4px; }
.callout-note    { border-left-color: var(--info);   background: var(--info-soft); }
.callout-note    > .callout-title { color: var(--info); }
.callout-warning { border-left-color: #e3a008;       background: var(--warn-soft); }
.callout-warning > .callout-title { color: var(--warn); }
.callout-danger  { border-left-color: var(--danger); background: var(--danger-soft); }
.callout-danger  > .callout-title { color: var(--danger); }
.callout-success { border-left-color: var(--ok);     background: var(--ok-soft); }
.callout-success > .callout-title { color: var(--ok); }

/* tables */
table {
  width: 100%; border-collapse: collapse; margin: 16px 0;
  font-size: 13.5px; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow);
}
caption { caption-side: top; text-align: left; font-size: 12px; color: var(--ink-3); padding-bottom: 6px; }
th, td { padding: 9px 12px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
th {
  background: var(--surface-2); font-size: 11.5px; font-weight: 700;
  letter-spacing: .05em; text-transform: uppercase; color: var(--ink-2);
  border-bottom: 1px solid var(--line-strong);
}
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #fafbfd; }
td code, th code { font-size: 12px; }
.table-wrap { overflow-x: auto; }

/* code */
code {
  font-family: var(--mono); font-size: .88em;
  background: var(--code-bg); color: var(--code-ink);
  padding: 1.5px 5px; border-radius: 4px;
  border: 1px solid var(--line);
}
pre {
  background: #101828; color: #e4e9f2;
  border-radius: var(--radius); padding: 16px 18px;
  overflow-x: auto; font-size: 13px; line-height: 1.55;
  border: 1px solid #1d2939;
}
pre code { background: none; border: 0; padding: 0; color: inherit; font-size: inherit; }
pre .c { color: #8b98ad; } /* comments, if writers choose to mark them */

/* mermaid */
.mermaid {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; margin: 18px 0;
  text-align: center; overflow-x: auto;
  box-shadow: var(--shadow);
}
.figure { margin: 20px 0; }
.figure .figure-caption { font-size: 12px; color: var(--ink-3); text-align: center; margin-top: 6px; }

/* cards / grids */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; margin: 18px 0; }
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow);
}
.card h4 { margin: 0 0 6px; font-size: 14px; color: var(--ink); }
.card p { margin: 0; font-size: 13px; color: var(--ink-2); }
.card a.card-link { text-decoration: none; color: inherit; display: block; }
.card a.card-link:hover h4 { color: var(--brand); }
.card .card-kpi { font-size: 22px; font-weight: 750; color: var(--brand-dark); }

/* definition list look */
dl.props { display: grid; grid-template-columns: 220px 1fr; row-gap: 6px; column-gap: 16px; font-size: 13.5px; }
dl.props dt { font-weight: 650; color: var(--ink-2); }
dl.props dd { margin: 0; }

/* doc list rows */
.doc-row {
  display: flex; gap: 14px; align-items: baseline;
  padding: 10px 14px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); margin: 8px 0; text-decoration: none; color: inherit;
}
.doc-row:hover { border-color: var(--brand); }
.doc-row .doc-row-id { font-family: var(--mono); font-size: 11.5px; color: var(--ink-3); min-width: 110px; }
.doc-row .doc-row-title { font-weight: 650; color: var(--ink); }
.doc-row .doc-row-desc { color: var(--ink-3); font-size: 13px; margin-left: auto; text-align: right; }

/* footer */
#content footer.doc-footer {
  margin-top: 60px; padding-top: 16px; border-top: 1px solid var(--line);
  font-size: 12px; color: var(--ink-3); max-width: 920px;
}

/* print */
@media print {
  #site-header, #site-nav, #nav-filter { display: none !important; }
  #content { margin: 0; padding: 0; max-width: none; }
  body { background: #fff; }
  pre, table, .callout, .mermaid { break-inside: avoid; }
}

/* responsive */
@media (max-width: 1024px) {
  #site-nav { transform: translateX(-100%); transition: transform .2s ease; }
  #site-nav.open { transform: none; box-shadow: 0 0 40px rgba(0,0,0,.2); }
  #content { margin-left: 0; padding: calc(var(--top-h) + 24px) 20px 60px; }
  #nav-toggle { display: inline-block; }
  #nav-filter { width: 160px; }
}