/* Procurement docs site — light, clean, system font stack. */

:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --ink: #1c2430;
  --muted: #5b6675;
  --line: #e3e7ec;
  --accent: #2563eb;
  --accent-soft: #eff4ff;
  --code-bg: #0f172a;
  --code-ink: #e2e8f0;
  --warn: #b45309;
  --sidebar-w: 280px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.65 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.shell { display: flex; min-height: 100vh; }

/* ── Sidebar ─────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 18px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 16px; border-bottom: 1px solid var(--line); margin-bottom: 12px; }
.brand svg { flex-shrink: 0; }
.brand strong { display: block; font-size: 15px; }
.brand small { color: var(--muted); }

#nav a {
  display: block;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 2px;
}
#nav a:hover { background: var(--accent-soft); }
#nav a.active { background: var(--accent); color: #fff; }
#nav .nav-group {
  margin: 14px 10px 6px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

/* ── Content ─────────────────────────────────────────── */
.content { flex: 1; min-width: 0; padding: 34px 44px 80px; }

#view h1 { font-size: 26px; margin: 0 0 6px; }
#view .lede { color: var(--muted); max-width: 640px; margin: 0 0 26px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.card {
  display: flex; flex-direction: column; gap: 6px;
  padding: 16px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--panel); text-decoration: none; color: var(--ink);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.card:hover { border-color: var(--accent); box-shadow: 0 4px 16px rgba(37, 99, 235, 0.08); }
.card span { color: var(--muted); font-size: 13px; }
.card.swagger-card { border-color: #7c3aed; background: linear-gradient(180deg, #faf7ff, var(--panel)); }
.card.swagger-card:hover { border-color: #6d28d9; }
.card.diagrams-card { border-color: var(--accent); background: linear-gradient(180deg, var(--accent-soft), var(--panel)); }

/* Rendered markdown */
.markdown h1 { font-size: 28px; border-bottom: 1px solid var(--line); padding-bottom: 10px; }
.markdown h2 { font-size: 20px; margin-top: 34px; }
.markdown h3 { font-size: 16px; margin-top: 24px; }
.markdown a { color: var(--accent); }
.markdown blockquote {
  margin: 14px 0; padding: 10px 16px;
  background: var(--accent-soft); border-left: 4px solid var(--accent);
  border-radius: 0 8px 8px 0; color: var(--ink);
}
.markdown blockquote p { margin: 4px 0; }
.markdown code {
  background: #eef1f5; border-radius: 5px; padding: 1px 5px;
  font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.markdown pre {
  background: var(--code-bg); color: var(--code-ink);
  padding: 14px 16px; border-radius: 10px; overflow-x: auto;
}
.markdown pre code { background: transparent; color: inherit; padding: 0; font-size: 13px; }
.markdown table { border-collapse: collapse; width: 100%; margin: 14px 0; font-size: 14px; }
.markdown th, .markdown td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; vertical-align: top; }
.markdown th { background: #f0f2f5; font-weight: 600; }
.markdown ul, .markdown ol { padding-left: 22px; }
.markdown hr { border: none; border-top: 1px solid var(--line); margin: 26px 0; }

/* Mermaid diagrams — render area */
.mermaid-host { margin: 16px 0; overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.mermaid-host svg { max-width: none; }
.mermaid-host.error { color: #b91c1c; font-size: 13px; padding: 12px; }

/* Editorial diagram gallery */
.diagram-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.diagram-card {
  display: flex; flex-direction: column; gap: 0;
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  background: var(--panel); text-decoration: none; color: var(--ink);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.diagram-card:hover { border-color: var(--accent); box-shadow: 0 6px 18px rgba(37, 99, 235, 0.10); }
.diagram-card iframe {
  width: 100%; height: 260px; border: none; display: block;
  background: #f6f7f9; pointer-events: none; /* cards scroll, not iframes */
}
.diagram-card .diagram-meta { padding: 12px 14px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 3px; }
.diagram-card .diagram-meta strong { font-size: 14px; }
.diagram-card .diagram-meta span { color: var(--muted); font-size: 12.5px; line-height: 1.45; }

/* Swagger UI full-bleed */
#swagger-view { position: relative; margin: -34px -44px -80px; min-height: calc(100vh - 2px); }
#swagger-ui { padding-bottom: 40px; }

/* Responsive */
@media (max-width: 860px) {
  .shell { flex-direction: column; }
  .sidebar { width: 100%; flex: none; height: auto; position: static; }
  .content { padding: 22px 18px 60px; }
  #swagger-view { margin: -22px -18px -60px; }
}