.line-sidebar {
  --accent-color: #1E8449; /* FC Greiz Green */
  --text-color: #505050;
  --marker-color: #cccccc;
  --marker-length: 60px;
  --marker-gap: 0px;
  --tick-scale: 0.5;
  --max-shift: 30px;
  --item-gap: 20px;
  --font-size: 1.2rem;
  --smoothing: 100ms;

  position: relative;
  display: flex;
  justify-content: flex-start;
  font-family: "Helvena", sans-serif;
}

.line-sidebar--markers {
  padding-left: calc(var(--marker-length) + var(--marker-gap));
}

.line-sidebar__list {
  list-style: none;
  margin: 0;
  padding: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: var(--item-gap);
}

.line-sidebar__item {
  position: relative;
  cursor: pointer;
}

.line-sidebar__item::before {
  content: '';
  position: absolute;
  inset: -6px -48px;
}

.line-sidebar__label {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  font-size: var(--font-size);
  line-height: 1.2;
  color: color-mix(in srgb, var(--accent-color) calc(var(--effect, 0) * 100%), var(--text-color));
  transform: translateX(calc(var(--effect, 0) * var(--max-shift)));
  transition: color 0.1s;
}

.line-sidebar__index {
  font-family: "Helvena", sans-serif;
  margin-right: 0.6rem;
  font-size: 0.9em;
  opacity: calc(0.55 + var(--effect, 0) * 0.45);
}

.line-sidebar__marker {
  position: absolute;
  top: 50%;
  left: calc(-1 * var(--marker-length) - var(--marker-gap));
  height: 2px;
  width: var(--marker-length);
  background-color: color-mix(in srgb, var(--accent-color) calc(var(--effect, 0) * 100%), var(--marker-color));
  transform-origin: left center;
  transform: translateY(-50%) scaleX(calc(0.7 + var(--effect, 0) * 0.5));
}

.line-sidebar--markers .line-sidebar__item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: calc(100% + var(--item-gap) / 2);
  left: calc(-1 * var(--marker-length) - var(--marker-gap));
  height: 1px;
  width: calc(var(--marker-length) * var(--tick-scale));
  background-color: var(--marker-color);
  opacity: 0.5;
  transform: translateY(-50%);
}

.line-sidebar--scale-tick .line-sidebar__item:not(:last-child)::after {
  transform-origin: left center;
  transform: translateY(-50%) scaleX(calc(0.7 + var(--effect, 0) * 0.6));
}