.wrap-wide {
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
}

.datasets-hero {
  padding: 36px 0 12px;
}

.datasets-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.datasets-meta {
  color: var(--dash-muted);
  font-size: 0.92rem;
  margin: 0 0 18px;
}

.datasets-toolbar {
  margin-bottom: 18px;
}

.source-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 8px;
}

@media (max-width: 960px) {
  .source-cards { grid-template-columns: 1fr; }
}

.source-card {
  background: linear-gradient(180deg, rgba(26, 39, 64, 0.95), rgba(18, 28, 46, 0.98));
  border: 1px solid var(--dash-border);
  border-radius: calc(var(--radius) + 2px);
  padding: 18px;
  box-shadow: var(--shadow);
}

.source-card h2 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.source-coverage {
  color: var(--dash-accent-2);
  margin: 0 0 10px;
  font-size: 0.92rem;
}

.source-frequency,
.source-use {
  margin: 0 0 8px;
  font-size: 0.88rem;
  color: var(--dash-muted);
  line-height: 1.5;
}

.source-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.88rem;
  font-weight: 600;
}

.datasets-viz {
  padding: 10px 0 28px;
}

.viz-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
  margin-bottom: 18px;
}

.viz-grid--charts {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 960px) {
  .viz-grid,
  .viz-grid--charts { grid-template-columns: 1fr; }
}

.viz-card {
  background: linear-gradient(180deg, rgba(26, 39, 64, 0.95), rgba(18, 28, 46, 0.98));
  border: 1px solid var(--dash-border);
  border-radius: calc(var(--radius) + 2px);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.viz-card.is-hidden {
  display: none;
}

.viz-card-header {
  padding: 16px 18px;
  border-bottom: 1px solid var(--dash-border);
}

.viz-card-header h2 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.viz-card-header p {
  margin: 0;
  color: var(--dash-muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.viz-card--map #datasets-map {
  width: 100%;
  min-height: 340px;
  display: block;
}

#datasets-map path.state {
  stroke: rgba(15, 23, 42, 0.9);
  stroke-width: 0.6;
  cursor: pointer;
  transition: filter 0.15s ease, opacity 0.15s ease;
}

#datasets-map path.state:hover,
#datasets-map path.state.active {
  filter: brightness(1.25);
  stroke: #fff;
  stroke-width: 1.2;
}

.datasets-map-legend {
  padding: 0 18px 16px;
}

.chart-wrap {
  min-height: 260px;
  padding: 12px 16px 18px;
}

.chart-wrap--tall {
  min-height: 300px;
}

.chart-wrap svg {
  width: 100%;
  height: auto;
  display: block;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--dash-muted);
}

.chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.chart-legend i {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  display: inline-block;
}

.crossref-body {
  padding: 18px;
  min-height: 280px;
}

.crossref-placeholder {
  color: var(--dash-muted);
  margin: 0;
  line-height: 1.55;
}

.crossref-race {
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--dash-border);
}

.crossref-race:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.crossref-race h3 {
  margin: 0 0 10px;
  font-size: 0.98rem;
}

.crossref-bar-row {
  display: grid;
  grid-template-columns: 110px 1fr 48px;
  gap: 10px;
  align-items: center;
  margin-bottom: 8px;
  font-size: 0.86rem;
}

.crossref-bar-track {
  height: 10px;
  background: rgba(15, 23, 42, 0.8);
  border-radius: 999px;
  overflow: hidden;
}

.crossref-bar-fill {
  height: 100%;
  border-radius: 999px;
}

.crossref-bar-fill.party-D { background: #2563eb; }
.crossref-bar-fill.party-R { background: #dc2626; }
.crossref-bar-fill.party-U { background: #64748b; }

.crossref-meta {
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--dash-muted);
}

.datasets-files {
  padding: 8px 0 48px;
}

.datasets-files h2 {
  margin: 0 0 8px;
}

.files-lead {
  margin: 0 0 18px;
  color: var(--dash-muted);
}

.files-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--dash-border);
  border-radius: calc(var(--radius) + 2px);
  background: rgba(18, 28, 46, 0.98);
}

.files-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.files-table th,
.files-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--dash-border);
}

.files-table th {
  color: var(--dash-muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.files-table tr:last-child td {
  border-bottom: 0;
}

.files-table a {
  font-weight: 600;
}

.files-table .muted {
  color: var(--dash-muted);
}