/* ==========================================================================
   CHARTS & VISUALIZATIONS
   Chart containers, custom tooltips, legends
   ========================================================================== */

.chart-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.chart-title-area {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.chart-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.chart-caption {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.chart-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.chart-pill-btn {
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  background-color: var(--bg-surface-secondary);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.chart-pill-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.chart-pill-btn.active {
  background-color: var(--text-primary);
  color: var(--text-inverse);
}

.chart-canvas-container {
  position: relative;
  width: 100%;
  height: 280px;
}

.chart-canvas-container.compact {
  height: 220px;
}

.chart-canvas-container.tall {
  height: 340px;
}

/* Custom Tooltip Styling for Chart.js */
.chart-custom-tooltip {
  position: absolute;
  background-color: var(--text-primary);
  color: var(--text-inverse);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  box-shadow: var(--shadow-lg);
  pointer-events: none;
  z-index: 100;
  transition: all 0.1s ease;
  white-space: nowrap;
}

/* Donut & Status Chart Section */
.donut-chart-layout {
  display: flex;
  align-items: center;
  gap: 24px;
}

@media (max-width: 600px) {
  .donut-chart-layout {
    flex-direction: column;
  }
}

.donut-canvas-wrap {
  width: 160px;
  height: 160px;
  position: relative;
  flex-shrink: 0;
}

.donut-legend {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.legend-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
}

.legend-left {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
}

.legend-color-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.legend-val {
  font-weight: 600;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}