/* Sparkline — duration trend cell primitive (phase 8.3) */

.sparkline {
  display: block;
  margin: 0;
  padding: 0;
}

.sparkline--empty {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

/*
 * Fluid cells set width:100% + a fixed height. Default SVG meet (xMidYMid)
 * letterboxes the 88×28 viewBox and centers the stroke — headers then sit
 * left of the drawn line. Builders set preserveAspectRatio="none".
 */
.sparkline--duration {
  overflow: hidden;
  vertical-align: middle;
}

.sparkline__area {
  transition: fill 0.3s ease, fill-opacity 0.3s ease;
}

.sparkline__line {
  transition: stroke 0.3s ease;
}