/**
 * =========================================
 * STATS CHART — Minimal styles
 * =========================================
 *
 * Poprzedni collapsible zastąpiony prostym StatsChart.
 * Klasy zachowane dla kompatybilności ze starym StatsAggregator.
 */

/* Legacy charts-grid (StatsAggregator używa go w hidden #statsCharts) */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  padding: 24px;
}

.chart-card {
  min-height: 300px;
}

.chart-card .card-body {
  padding: 16px;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chart-card canvas {
  max-height: 200px;
}

.loading-charts {
  padding: 40px 24px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.error-charts {
  padding: 40px 24px;
  text-align: center;
  color: #ef4444;
  font-size: 0.875rem;
}

@media (max-width: 1200px) {
  .charts-grid { grid-template-columns: 1fr; }
}