frontend/src/pages/FieldCoverage.css

/* Field coverage (FieldCoverage.tsx, #235). Design tokens only, in its own file rather than index.css so
   it stays out of a parallel edit. Light-default with a dark-mode block; two radii; one categorical
   palette scoped to the five source classes, keyed to the legend. */
.field-coverage.fc {
  --fc-bg: var(--bg);
  --fc-surface: var(--surface);
  --fc-surface-2: var(--surface-2);
  --fc-ink: var(--ink);
  --fc-ink-muted: var(--ink-muted);
  --fc-hairline: var(--hairline);
  --fc-r-card: var(--r-card);
  --fc-r-ctrl: var(--r-ctrl);
  color: var(--fc-ink);
  max-width: 1320px;
}

/* The five source hues. Each class sets --fc-hue (the saturated fill and the dot) and derives --fc-hue-soft
   (the faint track behind an empty or partial meter). Chips, swatches, meters, and section strips all read
   these two, so the whole encoding stays one hue per source. */
.fc .fc-src-pathology_extraction {
  --fc-hue: #0f8a6a;
}
.fc .fc-src-clinical_join {
  --fc-hue: #2f6db0;
}
.fc .fc-src-registry_join {
  --fc-hue: #6d5aa6;
}
.fc .fc-src-local_research {
  --fc-hue: #b0851f;
}
.fc .fc-src-none {
  --fc-hue: #8a95a3;
}
.fc [class*="fc-src-"] {
  --fc-hue-soft: color-mix(in srgb, var(--fc-hue) 16%, var(--fc-surface));
}

@media (prefers-color-scheme: dark) {
  .fc .fc-src-pathology_extraction {
    --fc-hue: #35c99b;
  }
  .fc .fc-src-clinical_join {
    --fc-hue: #5a9ae0;
  }
  .fc .fc-src-registry_join {
    --fc-hue: #a99ae0;
  }
  .fc .fc-src-local_research {
    --fc-hue: #e0a93b;
  }
  .fc .fc-src-none {
    --fc-hue: #8b97a8;
  }
}

/* --- Header --- */
.fc .fc-head {
  margin-bottom: 20px;
}
.fc .fc-eyebrow {
  margin: 0 0 4px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fc-ink-muted);
}
.fc h1 {
  margin: 0 0 8px;
  font-size: 32px;
  font-weight: 300;
  letter-spacing: -0.01em;
}
.fc .fc-lede {
  margin: 0;
  max-width: 78ch;
  font-size: 14px;
  line-height: 1.5;
  color: var(--fc-ink-muted);
}

.fc .fc-banner {
  margin-bottom: 16px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--fc-ink-muted);
  background: var(--fc-surface-2);
  border: 1px solid var(--fc-hairline);
  border-radius: var(--fc-r-ctrl);
}

/* --- Deep-navy summary + legend band (block tokens; dark in both themes) --- */
.fc .fc-band {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 28px;
  padding: 22px;
  background: var(--block-bg);
  border: 1px solid var(--block-hairline);
  border-radius: var(--fc-r-card);
  color: var(--block-ink);
}

.fc .fc-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
}
.fc .fc-metric {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.fc .fc-metric-value {
  font-size: 28px;
  font-weight: 500;
  line-height: 1.1;
  color: var(--block-ink);
  font-variant-numeric: tabular-nums;
}
.fc .fc-metric-primary .fc-metric-value {
  color: var(--block-accent);
}
.fc .fc-metric-label {
  font-size: 12px;
  color: var(--block-ink-muted);
}

.fc .fc-legend {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--block-hairline);
}
.fc .fc-legend-title {
  display: block;
  margin-bottom: 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--block-ink-muted);
}
.fc .fc-legend-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.fc .fc-legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
}
.fc .fc-swatch {
  flex: none;
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: var(--fc-hue);
}
.fc .fc-legend-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}
.fc .fc-legend-name {
  font-size: 13px;
  color: var(--block-ink);
}
.fc .fc-legend-count {
  margin-left: 4px;
  font-size: 12px;
  color: var(--block-ink-muted);
  font-variant-numeric: tabular-nums;
}
.fc .fc-legend-blurb {
  font-size: 11.5px;
  color: var(--block-ink-muted);
}
/* On the navy band the meter track is a translucent white rule, so the saturated fill still reads. */
.fc .fc-band .fc-meter {
  flex: none;
  width: 46px;
  background: rgba(255, 255, 255, 0.16);
}
.fc .fc-band .fc-meter-none {
  background: transparent;
}

/* --- Sections --- */
.fc .fc-sections {
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.fc .fc-section-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--fc-hairline);
}
.fc .fc-section-title {
  margin: 0;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--fc-ink);
}
.fc .fc-section-count {
  font-size: 12px;
  color: var(--fc-ink-muted);
  font-variant-numeric: tabular-nums;
}
/* The section's source composition as one thin bar, pushed to the right of the header. */
.fc .fc-strip {
  display: flex;
  flex: 0 1 180px;
  margin-left: auto;
  height: 6px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--fc-surface-2);
}
.fc .fc-strip-seg {
  height: 100%;
  background: var(--fc-hue);
}

.fc .fc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 10px;
}

/* --- Field chip: hue = source, saturated meter extent = confirmed fill --- */
.fc .fc-chip {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px 12px;
  background: color-mix(in srgb, var(--fc-hue) 6%, var(--fc-surface));
  border: 1px solid var(--fc-hairline);
  border-radius: var(--fc-r-ctrl);
}
.fc .fc-chip-top {
  display: flex;
  align-items: flex-start;
  gap: 7px;
}
.fc .fc-chip-dot {
  flex: none;
  width: 9px;
  height: 9px;
  margin-top: 3px;
  border-radius: 3px;
  background: var(--fc-hue);
}
.fc .fc-chip-label {
  flex: 1;
  min-width: 0;
  font-size: 12.5px;
  line-height: 1.3;
  color: var(--fc-ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.fc .fc-chip-pct {
  flex: none;
  font-size: 12px;
  font-weight: 500;
  color: var(--fc-ink);
  font-variant-numeric: tabular-nums;
}

/* The meter: track in the faint source tint, fill in the saturated source hue. An empty fill (0%) leaves
   the bare track, so a covered-but-empty field reads apart from a populated one. */
.fc .fc-meter {
  position: relative;
  display: block;
  height: 8px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--fc-hue-soft);
}
.fc .fc-meter-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--fc-hue);
}
/* Source only: no live measure, so a dashed rule in the source hue rather than a filled track. */
.fc .fc-meter-none {
  background: transparent;
  border-radius: 0;
  border-bottom: 2px dashed color-mix(in srgb, var(--fc-hue) 55%, transparent);
  height: 8px;
}

@media (max-width: 640px) {
  .fc .fc-strip {
    display: none;
  }
  .fc .fc-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Selectable legend (opens the extracted-dictionary panel); lives in the dark band --- */
.fc .fc-legend-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 5px 7px;
  margin: -5px -7px;
  border: 1px solid transparent;
  border-radius: 7px;
  background: none;
  color: inherit;
  text-align: left;
  font: inherit;
  cursor: pointer;
}
.fc .fc-legend-btn:disabled {
  cursor: default;
}
.fc .fc-legend-btn:not(:disabled):hover {
  background: rgba(255, 255, 255, 0.06);
}
.fc .fc-legend-btn.active {
  background: rgba(255, 255, 255, 0.09);
  border-color: color-mix(in srgb, var(--fc-hue) 60%, transparent);
}
.fc .fc-legend-btn:focus-visible {
  outline: 2px solid var(--block-accent);
  outline-offset: 1px;
}
.fc .fc-legend-sampled {
  margin-left: 8px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--fc-hue) 72%, white);
}

/* --- Extracted-dictionary panel (on the light page; uses fc tokens, not the band's block tokens) --- */
.fc .fc-extract {
  margin: 18px 0 6px;
  background: var(--fc-surface);
  border: 1px solid var(--fc-hairline);
  border-left: 3px solid var(--fc-hue);
  border-radius: var(--fc-r-card);
  overflow: hidden;
}
.fc .fc-extract-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 15px 18px 12px;
}
.fc .fc-extract-eyebrow {
  margin: 0 0 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--fc-hue) 70%, var(--fc-ink-muted));
}
.fc .fc-extract-title {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 500;
  color: var(--fc-ink);
}
.fc .fc-extract-sub {
  margin: 0;
  max-width: 74ch;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--fc-ink-muted);
}
.fc .fc-extract-close {
  flex: none;
  width: 30px;
  height: 30px;
  border: 1px solid var(--fc-hairline);
  border-radius: var(--fc-r-ctrl);
  background: none;
  color: var(--fc-ink-muted);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}
.fc .fc-extract-close:hover {
  color: var(--fc-ink);
  border-color: var(--fc-hue);
}
.fc .fc-extract-scroll {
  overflow-x: auto;
  padding: 0 18px 18px;
}
.fc .fc-extract-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 12.5px;
}
.fc .fc-extract-table th,
.fc .fc-extract-table td {
  padding: 7px 11px;
  text-align: left;
  border-bottom: 1px solid var(--fc-hairline);
  white-space: nowrap;
}
.fc .fc-extract-table thead th {
  position: sticky;
  top: 0;
  font-weight: 600;
  color: var(--fc-ink-muted);
  background: var(--fc-surface-2);
  border-bottom: 1.5px solid var(--fc-hairline);
}
.fc .fc-extract-case,
.fc .fc-extract-case-h {
  position: sticky;
  left: 0;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--fc-ink);
  background: var(--fc-surface);
}
.fc .fc-extract-case-h {
  background: var(--fc-surface-2);
}
.fc .fc-extract-cell {
  color: var(--fc-ink);
}
.fc .fc-extract-absent {
  color: var(--fc-ink-muted);
  font-style: italic;
}
.fc .fc-extract-table tbody tr:hover td,
.fc .fc-extract-table tbody tr:hover th {
  background: color-mix(in srgb, var(--fc-hue) 7%, var(--fc-surface));
}