/* ERPOS documentation — one stylesheet for every page. RTL, white background, navy #0A1F44. */
:root {
  --navy: #0A1F44;
  --navy-2: #16305f;
  --ink: #1b2433;
  --muted: #5a6577;
  --line: #dfe4ec;
  --soft: #f4f6fa;
  --paper: #ffffff;
  --link: #1d4ed8;
  --req: #0f5132;     --req-bg: #e3f4ea;
  --eng: #0b4f8a;     --eng-bg: #e3eefb;
  --assume: #6a4a00;  --assume-bg: #fff3d1;
  --legal: #8a1c1c;   --legal-bg: #fde6e6;
  --official: #6b2e8f; --official-bg: #f1e6fa;
  --unproven: #4b5563; --unproven-bg: #eceff3;
  --code-bg: #0f1a2e;
  --code-ink: #e7ecf5;
  --radius: 8px;
  --side: 300px;
  --font: "Segoe UI", Tahoma, "Noto Naskh Arabic", "Geeza Pro", Arial, sans-serif;
  --mono: Consolas, "SF Mono", Menlo, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.75 var(--font); }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; }

/* Top bar */
.topbar { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; gap: 16px; padding: 10px 20px; background: var(--navy); color: #fff; }
.topbar .brand { color: #fff; font-weight: 700; font-size: 18px; white-space: nowrap; }
.topbar .brand small { font-weight: 400; opacity: .8; margin-inline-start: 6px; }
.topbar .search { position: relative; flex: 1; max-width: 560px; }
.topbar input[type=search] { width: 100%; padding: 8px 12px; border: 0; border-radius: 6px; font: inherit; font-size: 15px; }
.menu-btn { display: none; background: transparent; border: 1px solid #ffffff66; color: #fff; border-radius: 6px; padding: 4px 10px; font: inherit; cursor: pointer; }
.search-results { position: absolute; top: 42px; inset-inline: 0; background: #fff; color: var(--ink); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 12px 30px #0a1f4433; max-height: 70vh; overflow: auto; display: none; }
.search-results.open { display: block; }
.search-results a { display: block; padding: 8px 12px; border-bottom: 1px solid var(--line); color: var(--ink); }
.search-results a:hover, .search-results a.active { background: var(--soft); text-decoration: none; }
.search-results .kind { font-size: 12px; color: var(--muted); margin-inline-start: 8px; }
.search-results .empty { padding: 10px 12px; color: var(--muted); }

/* Layout */
.layout { display: grid; grid-template-columns: var(--side) minmax(0, 1fr); min-height: calc(100vh - 56px); }
.sidebar { position: sticky; top: 56px; height: calc(100vh - 56px); overflow: auto; border-inline-end: 1px solid var(--line); background: var(--soft); padding: 14px 12px 40px; font-size: 14.5px; }
.sidebar details { margin-bottom: 6px; }
.sidebar summary { cursor: pointer; font-weight: 700; color: var(--navy); padding: 4px 6px; border-radius: 6px; list-style-position: inside; }
.sidebar summary:hover { background: #e7ebf3; }
.sidebar ul { list-style: none; margin: 4px 0 8px; padding: 0 10px 0 0; }
.sidebar li a { display: block; padding: 3px 8px; border-radius: 5px; color: var(--ink); }
.sidebar li a:hover { background: #e7ebf3; text-decoration: none; }
.sidebar li a.current { background: var(--navy); color: #fff; }
.sidebar .sid { font-family: var(--mono); font-size: 12px; color: var(--muted); margin-inline-end: 4px; }
.sidebar li a.current .sid { color: #cfd8ea; }
main { padding: 24px 40px 80px; max-width: 1180px; min-width: 0; }
main [id] { scroll-margin-top: 72px; }

/* Breadcrumbs & page head */
.crumbs { font-size: 14px; color: var(--muted); margin-bottom: 10px; }
.crumbs a { color: var(--muted); }
.crumbs span.sep { margin: 0 6px; }
h1 { color: var(--navy); font-size: 30px; line-height: 1.35; margin: 4px 0 6px; }
h1 .en { display: block; font-size: 16px; font-weight: 400; color: var(--muted); direction: ltr; text-align: right; }
h2 { color: var(--navy); font-size: 22px; margin: 34px 0 10px; padding-top: 10px; border-top: 1px solid var(--line); }
h3 { color: var(--navy-2); font-size: 18px; margin: 22px 0 8px; }
h2 .num { display: inline-block; min-width: 30px; color: var(--muted); font-size: 15px; font-family: var(--mono); }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 16px; align-items: center; }
.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; background: var(--soft); border: 1px solid var(--line); font-size: 13px; color: var(--ink); }
.pill.id { font-family: var(--mono); background: var(--navy); color: #fff; border-color: var(--navy); }
.lead { font-size: 17px; color: #2b3647; }

/* Tags (credibility labels) */
.tag { display: inline-block; padding: 0 8px; margin: 0 2px; border-radius: 5px; font-size: 12.5px; font-weight: 700; line-height: 1.9; white-space: nowrap; vertical-align: baseline; }
.tag.req { color: var(--req); background: var(--req-bg); }
.tag.eng { color: var(--eng); background: var(--eng-bg); }
.tag.assume { color: var(--assume); background: var(--assume-bg); }
.tag.legal { color: var(--legal); background: var(--legal-bg); }
.tag.official { color: var(--official); background: var(--official-bg); }
.tag.unproven { color: var(--unproven); background: var(--unproven-bg); }
.src { font-size: 12.5px; color: var(--muted); white-space: nowrap; }
.src a { color: var(--muted); border-bottom: 1px dotted var(--muted); }
.term { border-bottom: 1px dashed var(--navy-2); color: inherit; }
.term:hover { text-decoration: none; background: #eef2f9; }

/* Callouts */
.callout { border: 1px solid var(--line); border-inline-start: 5px solid var(--navy); background: var(--soft); padding: 12px 16px; border-radius: var(--radius); margin: 14px 0; }
.callout.risk { border-inline-start-color: #b42318; background: #fff5f4; }
.callout.legal { border-inline-start-color: var(--legal); background: var(--legal-bg); }
.callout.official { border-inline-start-color: var(--official); background: var(--official-bg); }
.callout.note { border-inline-start-color: #3b6fd4; background: #f1f6ff; }
.callout.ok { border-inline-start-color: #127a4a; background: #eefaf3; }
.callout > strong:first-child { display: block; margin-bottom: 4px; color: var(--navy); }
.disclaimer { border: 1px solid #f0c8c4; background: #fff7f6; padding: 10px 14px; border-radius: var(--radius); font-size: 14.5px; }

/* Tables */
.table-wrap { overflow-x: auto; margin: 10px 0 18px; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: right; vertical-align: top; }
th { background: var(--soft); color: var(--navy); font-weight: 700; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td code, li code, p code { font-family: var(--mono); font-size: 13px; background: #eef1f6; padding: 1px 5px; border-radius: 4px; direction: ltr; unicode-bidi: embed; }
td.ltr, .ltr { direction: ltr; text-align: left; unicode-bidi: embed; }

/* Code blocks */
.code { position: relative; margin: 10px 0 18px; }
.code pre { margin: 0; background: var(--code-bg); color: var(--code-ink); padding: 14px 16px; border-radius: var(--radius); overflow: auto; direction: ltr; text-align: left; font: 13.5px/1.6 var(--mono); }
.code .label { position: absolute; top: 6px; left: 64px; font-size: 11px; color: #9fb0cc; font-family: var(--mono); }
.copy-btn { position: absolute; top: 6px; left: 8px; background: #23365a; color: #fff; border: 0; border-radius: 5px; padding: 2px 10px; font: 12px var(--font); cursor: pointer; }
.copy-btn.done { background: #127a4a; }

/* Lists & steps */
ol.steps { counter-reset: s; list-style: none; padding: 0; }
ol.steps > li { counter-increment: s; position: relative; padding: 6px 44px 6px 0; }
ol.steps > li::before { content: counter(s); position: absolute; right: 0; top: 6px; width: 30px; height: 30px; border-radius: 50%; background: var(--navy); color: #fff; display: grid; place-items: center; font-size: 14px; }
ul.checks { list-style: none; padding: 0; }
ul.checks li { padding: 3px 26px 3px 0; position: relative; }
ul.checks li::before { content: "✓"; position: absolute; right: 2px; color: #127a4a; font-weight: 700; }

/* Cards & grids (index) */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 12px; margin: 12px 0 20px; }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; background: #fff; }
.card h3 { margin: 0 0 4px; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.card .pill { margin-top: 8px; }
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin: 8px 0 12px; padding: 12px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--soft); }
.filters label { display: grid; gap: 2px; font-size: 13px; color: var(--muted); }
.filters select, .filters input { font: inherit; font-size: 14px; padding: 5px 8px; border: 1px solid var(--line); border-radius: 6px; background: #fff; min-width: 150px; }
.filters button { font: inherit; font-size: 14px; padding: 6px 12px; border: 1px solid var(--navy); color: var(--navy); background: #fff; border-radius: 6px; cursor: pointer; }
.count-line { color: var(--muted); font-size: 14px; }
.status { font-family: var(--mono); font-size: 12px; padding: 1px 7px; border-radius: 4px; background: #eef1f6; white-space: nowrap; }
.status.VERIFIED_API { background: #e3f4ea; color: #0f5132; }
.status.REQUIRES_APPROVAL { background: #f1e6fa; color: #6b2e8f; }
.status.MANUAL_ONLY { background: #fff3d1; color: #6a4a00; }
.status.UNAVAILABLE { background: #fde6e6; color: #8a1c1c; }
.status.UNKNOWN { background: #eceff3; color: #4b5563; }
.sev-high { color: #8a1c1c; font-weight: 700; }
.sev-med { color: #6a4a00; font-weight: 700; }
.sev-low { color: #0f5132; font-weight: 700; }

/* Diagrams */
figure.diagram { margin: 14px 0 20px; padding: 12px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow-x: auto; }
figure.diagram figcaption { font-size: 13px; color: var(--muted); margin-top: 6px; }
.seq { direction: ltr; }

/* Page TOC & pager */
.toc { border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 14px; background: #fff; margin: 14px 0; font-size: 14px; columns: 2; column-gap: 28px; }
.toc a { display: block; color: var(--ink); padding: 1px 0; break-inside: avoid; }
.pager { display: flex; justify-content: space-between; gap: 12px; margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--line); }
.pager a { display: block; border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 14px; max-width: 48%; }
.pager a small { display: block; color: var(--muted); }
.footer { margin-top: 48px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }

/* Responsive */
@media (max-width: 960px) {
  .layout { grid-template-columns: minmax(0, 1fr); overflow-x: clip; }
  .sidebar { position: fixed; top: 56px; inset-inline-start: 0; width: min(86vw, 340px); z-index: 25; transform: translateX(110%); transition: transform .15s; box-shadow: 0 0 40px #0a1f4433; }
  .sidebar.open { transform: translateX(0); }
  .menu-btn { display: inline-block; }
  main { padding: 18px 16px 70px; }
  .toc { columns: 1; }
  h1 { font-size: 24px; }
  .topbar .brand small { display: none; }
}

/* Print */
@media print {
  .topbar, .sidebar, .pager, .copy-btn, .filters, .menu-btn { display: none !important; }
  .layout { display: block; }
  main { padding: 0; max-width: none; }
  body { font-size: 11.5pt; }
  a { color: #000; }
  h2 { break-after: avoid; }
  table, .code, figure { break-inside: avoid; }
  .code pre { background: #f3f3f3; color: #000; white-space: pre-wrap; }
  .toc { columns: 2; }
}