/* Page-specific styles: sector index history */

.chart-container {
  position: relative;
  height: 420px;
  margin-top: 24px;
}

.chart-container.chart-small {
  height: 240px;
}

.section-title {
  margin: 28px 0 4px;
  color: var(--color-text);
  font-size: 1.05em;
  font-weight: bold;
}

.section-subtitle {
  margin: 0 0 6px;
  color: var(--color-text-muted);
  font-size: 0.9em;
}

.subtitle {
  text-align: center;
  color: var(--color-text-muted);
  margin-top: 4px;
  font-size: 0.9em;
}

.sector-filter {
  margin: 16px 0 0;
  font-size: 0.9em;
  color: var(--color-text);
}

.sector-filter-controls {
  margin-bottom: 8px;
}

.sector-filter-list {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 6px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 6px 16px;
  align-items: start;
}

.sector-filter-item {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  cursor: pointer;
  white-space: nowrap;
}

.sector-filter-item input[type="checkbox"] {
  margin: 0;
  cursor: pointer;
}

@media (max-width: 768px) {
  .chart-container {
    height: 320px;
  }

  .chart-container.chart-small {
    height: 200px;
  }
}

@media (max-width: 480px) {
  .chart-container {
    height: 260px;
  }

  .chart-container.chart-small {
    height: 180px;
  }
}