/* DFM Infrastructure — Gate 10.6 interface styles.
   Dark identity preserved; contrast, reading comfort and hierarchy first.
   All text-on-background pairs meet WCAG 2.2 AA (≥ 4.5:1 body, ≥ 3:1 large).
   Base body text 16px minimum; metadata never below 12px (normal 14px). */

:root {
  --bg: #0d1420;
  --bg-raised: #16202e;
  --bg-inset: #1c2a3c;
  --border: #33455c;
  --text: #e8eef5;        /* 12.9:1 on --bg */
  --text-secondary: #b7c4d4; /* 7.6:1 on --bg */
  --text-meta: #9db0c4;   /* 5.6:1 on --bg */
  --accent: #7fb7ff;      /* links, 6.9:1 on --bg */
  --accent-strong: #a7cdff;
  --ok: #7ddf9a;
  --warn: #ffd479;
  --danger: #ff9d9d;
  --focus: #ffd479;
  --max-measure: 72ch;
}

* { box-sizing: border-box; }

html { font-size: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;          /* 16px */
  line-height: 1.6;
}

a { color: var(--accent); text-underline-offset: 2px; }
a:hover { color: var(--accent-strong); }
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, summary:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 2px;
}

h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 0.5rem; }
h2 { font-size: 1.35rem; line-height: 1.3; margin: 2rem 0 0.75rem; }
h3 { font-size: 1.1rem; margin: 1.25rem 0 0.5rem; }
p, li { max-width: var(--max-measure); }

code { font-size: 0.9em; background: var(--bg-inset); padding: 0.1em 0.35em;
  border-radius: 4px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: #0a1018; padding: 0.6rem 1rem;
  font-weight: 600;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

/* Header ---------------------------------------------------------------- */
.site-header {
  display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem;
  padding: 0.9rem 1.5rem; border-bottom: 1px solid var(--border);
  background: var(--bg-raised);
}
.brand { display: flex; align-items: center; gap: 0.6rem;
  text-decoration: none; color: var(--text); }
.brand-mark {
  background: var(--accent); color: #0a1018; font-weight: 800;
  padding: 0.35rem 0.5rem; border-radius: 6px; letter-spacing: 0.05em;
}
.brand-copy strong { display: block; font-size: 1.05rem; }
.brand-copy small { color: var(--text-meta); font-size: 0.75rem; }

.primary-nav { display: flex; flex-wrap: wrap; gap: 0.25rem;
  list-style: none; margin: 0; padding: 0; }
.primary-nav a {
  display: block; padding: 0.5rem 0.85rem; border-radius: 8px;
  text-decoration: none; color: var(--text-secondary); font-weight: 500;
}
.primary-nav a:hover { color: var(--text); background: var(--bg-inset); }
.primary-nav a[aria-current="page"] {
  color: #0a1018; background: var(--accent); font-weight: 600;
}

.header-search { display: flex; gap: 0.4rem; margin-left: auto; }
.header-search input {
  min-width: 16rem; padding: 0.5rem 0.75rem; font-size: 1rem;
  background: var(--bg-inset); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
}
.header-search button, .button {
  font-size: 1rem; padding: 0.5rem 1rem; border-radius: 8px;
  border: 1px solid var(--border); background: var(--bg-inset);
  color: var(--text); cursor: pointer; text-decoration: none;
  display: inline-block;
}
.button.primary, .header-search button {
  background: var(--accent); border-color: var(--accent);
  color: #0a1018; font-weight: 600;
}
.button.primary:hover, .header-search button:hover
  { background: var(--accent-strong); }
.button.secondary:hover { background: var(--bg-inset); }

/* Layout ---------------------------------------------------------------- */
main { padding: 1.5rem; max-width: 1200px; margin: 0 auto; }
.page-head { margin-bottom: 1rem; }
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.8rem;
  color: var(--text-meta); font-weight: 600; margin: 0 0 0.3rem;
}
.lede { font-size: 1.1rem; color: var(--text-secondary); }
.meta { color: var(--text-meta); font-size: 0.875rem; }  /* 14px */
.method-note { color: var(--text-meta); font-size: 0.875rem;
  border-top: 1px solid var(--border); padding-top: 0.5rem; }
.empty-note { color: var(--text-secondary); font-style: italic; }

/* Hero ------------------------------------------------------------------ */
.hero { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 2rem; margin: 1rem 0 2rem; }
.hero-actions { display: flex; gap: 0.75rem; margin-top: 1.25rem;
  flex-wrap: wrap; }
.hero-panel {
  background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.25rem;
}
.hero-panel h2 { margin-top: 0; font-size: 1.1rem; }
.hero-panel dt { font-weight: 600; margin-top: 0.75rem; }
.hero-panel dd { margin: 0.15rem 0 0; color: var(--text-secondary);
  font-size: 0.95rem; }

/* Findings -------------------------------------------------------------- */
.finding-grid { display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 1rem; }
.finding-card {
  background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.1rem 1.25rem;
}
.finding-card h3 { margin-top: 0; }
.finding-card.gap { border-color: var(--warn); }
.finding-list { list-style: none; margin: 0.5rem 0; padding: 0; }
.finding-list li { padding: 0.3rem 0; border-bottom: 1px solid var(--border); }
.finding-list li:last-child { border-bottom: 0; }
.finding-list .meta { margin-left: 0.5rem; }

/* Coverage strip / chips ------------------------------------------------- */
.domain-chips { display: flex; flex-wrap: wrap; gap: 0.5rem;
  list-style: none; padding: 0; }
.chip { border-radius: 999px; padding: 0.35rem 0.9rem; font-size: 0.875rem;
  border: 1px solid var(--border); }
.chip-live { background: #1d3a2a; border-color: var(--ok); }
.chip-live .chip-state { color: var(--ok); }
.chip-plan { background: var(--bg-raised); }
.chip-plan .chip-state { color: var(--text-meta); }
.chip-label { margin-right: 0.4rem; }
.provenance { color: var(--text-meta); font-size: 0.875rem; }

/* Search + results ------------------------------------------------------- */
.search-panel {
  background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: 12px; padding: 1rem 1.25rem; margin: 1rem 0;
}
.search-fields { display: flex; flex-wrap: wrap; gap: 0.6rem 1rem;
  align-items: end; }
.search-fields label { display: block; font-size: 0.875rem;
  color: var(--text-secondary); margin-bottom: 0.2rem; }
.search-fields input, .search-fields select {
  font-size: 1rem; padding: 0.5rem 0.7rem; background: var(--bg-inset);
  color: var(--text); border: 1px solid var(--border); border-radius: 8px;
}
.result-group h3 { border-bottom: 1px solid var(--border);
  padding-bottom: 0.35rem; }
.result-list { list-style: none; margin: 0; padding: 0; }
.result-list li { padding: 0.5rem 0; border-bottom: 1px solid var(--border); }
.result-list li:last-child { border-bottom: 0; }
.result-meta { display: block; color: var(--text-meta); font-size: 0.875rem; }

/* Dossier ---------------------------------------------------------------- */
.dossier-page { max-width: 860px; }
.breadcrumbs { color: var(--text-meta); font-size: 0.875rem; }
.identity-line { color: var(--text-secondary); }
.status-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.75rem 0; }
.badge {
  border-radius: 999px; padding: 0.3rem 0.8rem; font-size: 0.875rem;
  border: 1px solid var(--border); background: var(--bg-raised);
}
.badge-designation { border-color: var(--accent); color: var(--accent-strong); }
.badge-assessment.state-partially-assessed { border-color: var(--warn);
  color: var(--warn); }
.badge-assessment.state-assessed { border-color: var(--ok); color: var(--ok); }
.badge-assessment.state-not-yet-assessed { color: var(--text-meta); }
.badge-geo { border-color: var(--ok); color: var(--ok); }
.badge-geo-missing { color: var(--text-meta); border-style: dashed; }

.assessment-summary {
  background: var(--bg-raised); border: 1px solid var(--border);
  border-left: 4px solid var(--accent); border-radius: 8px;
  padding: 1rem 1.25rem; margin: 1rem 0;
}
.assessment-summary .headline { font-size: 1.1rem; }
.designation-note { color: var(--text-meta); font-size: 0.875rem; }

.dimension-group-title { color: var(--text-secondary);
  text-transform: uppercase; font-size: 0.85rem; letter-spacing: 0.06em; }
.dimension-grid { display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 0.6rem; }
.dimension-card {
  background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: 8px;
}
.dimension-card summary {
  display: flex; justify-content: space-between; gap: 0.5rem;
  padding: 0.7rem 0.9rem; cursor: pointer; list-style: none;
}
.dimension-card summary::-webkit-details-marker { display: none; }
.dimension-card .dimension-state { color: var(--text-meta);
  font-size: 0.875rem; text-align: right; }
.dimension-card.state-assessed .dimension-state { color: var(--ok); }
.dimension-card.state-insufficient-evidence .dimension-state
  { color: var(--warn); }
.dimension-body { padding: 0 0.9rem 0.9rem;
  border-top: 1px solid var(--border); }

.role-list, .relation-list { padding-left: 1.2rem; }
.evidence-timeline li { margin-bottom: 0.9rem; }
.unresolved-section {
  background: var(--bg-raised); border: 1px dashed var(--warn);
  border-radius: 8px; padding: 0.75rem 1.25rem; margin: 1.5rem 0;
}
.technical-record { margin: 1.5rem 0; color: var(--text-secondary); }
.technical-record summary { cursor: pointer; padding: 0.5rem 0; }
.technical-grid { display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.4rem 1.5rem; }
.technical-grid dt { font-size: 0.8rem; color: var(--text-meta); }
.technical-grid dd { margin: 0; }

/* Tables ----------------------------------------------------------------- */
.table-shell { overflow-x: auto; border: 1px solid var(--border);
  border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
th, td { text-align: left; padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--bg-raised); position: sticky; top: 0; }
tbody tr:hover { background: var(--bg-raised); }
.limit-cell { max-width: 28ch; font-size: 0.875rem;
  color: var(--text-secondary); }
.state-chip { font-size: 0.8rem; border-radius: 999px; padding: 0.15rem 0.6rem;
  border: 1px solid var(--border); white-space: nowrap; }
.state-integrated { border-color: var(--ok); color: var(--ok); }
.state-ingestion-ready { border-color: var(--accent); color: var(--accent); }
.state-catalogued-source { color: var(--text-secondary); }
.state-requires-national-pipeline, .state-restricted-or-aggregate-only
  { color: var(--text-meta); }

/* Coverage cards --------------------------------------------------------- */
.coverage-cards { display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; }
.coverage-card { background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: 12px; padding: 1rem 1.2rem; }
.coverage-card.live { border-color: var(--ok); }
.coverage-card h3 { margin-top: 0; }
.coverage-facts { padding-left: 1.1rem; }
.dimension-availability { display: grid;
  grid-template-columns: 1fr 1fr; gap: 0.15rem 1rem; font-size: 0.875rem; }
.dimension-availability dt { color: var(--text-meta); }
.dimension-availability dd { margin: 0; }

/* Map -------------------------------------------------------------------- */
.map-layout { display: grid; grid-template-columns: 300px minmax(0, 1fr);
  gap: 1rem; align-items: start; }
.map-controls { background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: 12px; padding: 1rem; position: sticky; top: 1rem; }
.map-controls h2 { font-size: 1rem; margin: 1rem 0 0.5rem; }
.map-controls h2:first-child { margin-top: 0; }
.map-controls label { display: block; font-size: 0.875rem;
  color: var(--text-secondary); margin: 0.5rem 0 0.2rem; }
.map-controls select { width: 100%; font-size: 1rem; padding: 0.45rem;
  background: var(--bg-inset); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; }
.map-controls .button { margin-top: 0.75rem; }
.map-stage { min-height: 70vh; }
#strategic-map { height: 70vh; border-radius: 12px;
  border: 1px solid var(--border); background: #0a2239; }
.map-note { color: var(--text-meta); font-size: 0.875rem; }
.map-legend { list-style: none; padding: 0; font-size: 0.875rem; }
.map-legend li { display: flex; align-items: center; gap: 0.5rem;
  padding: 0.15rem 0; }
.dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.dot-asset { background: #7fb7ff; }
.dot-approx { background: #7fb7ff; opacity: 0.55; border: 1px dashed #e8eef5; }
.dot-feature { background: #7ddf9a; }
.dot-cluster { background: #ffd479; }
.line-sample { width: 18px; height: 3px; background: #7ddf9a;
  display: inline-block; }
.map-selection p { font-size: 0.95rem; }
.map-fallback { margin-top: 1rem; }

/* Sources ---------------------------------------------------------------- */
.source-grid { display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1rem; }
.source-card { background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: 12px; padding: 1rem 1.2rem; }
.source-card h2 { font-size: 1.05rem; margin: 0 0 0.4rem; }

/* Footer ----------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border); margin-top: 3rem;
  padding: 1.5rem; display: flex; flex-wrap: wrap; gap: 1rem 3rem;
  color: var(--text-secondary); background: var(--bg-raised);
}
.site-footer ul { list-style: none; display: flex; gap: 1.5rem;
  margin: 0; padding: 0; flex-wrap: wrap; }
.footer-note { width: 100%; color: var(--text-meta); font-size: 0.875rem;
  margin: 0; }

/* Responsive ------------------------------------------------------------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .map-layout { grid-template-columns: 1fr; }
  .map-controls { position: static; }
  .header-search { width: 100%; margin-left: 0; }
  .header-search input { flex: 1; min-width: 0; }
}
@media (max-width: 600px) {
  main { padding: 1rem; }
  h1 { font-size: 1.5rem; }
  .site-header { padding: 0.75rem 1rem; }
  #strategic-map { height: 55vh; }
}