/* Cecil Charts CSS — sparkline, bar chart, and gauge styles */

/* ─── Chart container ─── */
.chart-container {
  width: 100%;
  overflow: hidden;
  position: relative;
}

.chart-container--sm {
  height: var(--chart-height-sm);
}

.chart-container--md {
  height: var(--chart-height-md);
}

.chart-container--lg {
  height: var(--chart-height-lg);
}

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

/* ─── Sparkline ─── */
.sparkline-wrap {
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
}

.sparkline-wrap svg {
  display: block;
}

/* ─── Chart tooltip ─── */
.chart-tooltip {
  position: absolute;
  background: var(--bg-elevated);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-primary);
  pointer-events: none;
  white-space: nowrap;
  z-index: 200;
  box-shadow: var(--shadow-md);
  animation: tooltip-in 150ms ease forwards;
}

.chart-tooltip__label {
  color: var(--text-muted);
  margin-bottom: 2px;
}

.chart-tooltip__value {
  font-family: var(--font-mono);
  font-weight: 600;
}

/* ─── Chart legend ─── */
.chart-legend {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-2);
}

.chart-legend__item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.chart-legend__dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* ─── Section with chart ─── */
.chart-section {
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.chart-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.chart-section__title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.chart-section__subtitle {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* ─── Sparkline in KPI context ─── */
.kpi-sparkline {
  margin-top: var(--space-2);
  opacity: 0.8;
}

/* ─── Bar group chart ─── */
.bar-chart-wrap {
  width: 100%;
  overflow: hidden;
}

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

/* ─── Trendline chart section ─── */
.trendline-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .trendline-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1200px) {
  .trendline-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ─── Gauge grid layout ─── */
.gauge-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .gauge-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .gauge-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}