.trend-line-tooltip {
  position: absolute;
  z-index: 9;
  display: none;
  max-width: 240px;
  padding: 7px 10px;
  border-radius: 8px;
  background: #10213f;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
  white-space: nowrap;
  pointer-events: none;
  box-shadow: 0 6px 18px #10213f36;
}

.trend-line-tooltip.show { display: block; }
.trend-line-chart .line { pointer-events: none; }
.trend-line-chart .line-hit {
  fill: none;
  stroke: transparent;
  stroke-width: 16;
  pointer-events: stroke;
  cursor: help;
}
.trend-line-chart .point { cursor: help; }