.scrollspy-section {
  position: sticky;
  z-index: var(--z-index-sticky);
  inset-block-start: 0;
}

.scrollspy-section[hidden],
theme-scrollspy-nav[data-resolve-targets] {
  display: none;
}

.scrollspy-section .page-section--divider {
  border-block-start: 1px solid rgb(var(--color-border));
}

.scrollspy-nav__inner {
  width: 100%;
  -webkit-overflow-scrolling: touch;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}

.scrollspy-nav__inner::-webkit-scrollbar {
  display: none;
}

.scrollspy-nav__inner::before,
.scrollspy-nav__inner::after {
  content: '';
  position: absolute;
  inset-block: 1px;
  width: 40px;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.scrollspy-nav__inner::before {
  inset-inline-start: 0;
  background: linear-gradient(to var(--transform-origin-end), rgb(var(--color-background)), rgb(var(--color-background) / 0));
  opacity: var(--edge-start, 0);
}

.scrollspy-nav__inner::after {
  inset-inline-end: 0;
  background: linear-gradient(to var(--transform-origin-start), rgb(var(--color-background)), rgb(var(--color-background) / 0));
  opacity: var(--edge-end, 0);
}

.scrollspy-nav__item {
  padding-block: 24px;
}

.scrollspy-nav__link,
.scrollspy-nav__backtotop .link-text {
  font-family: var(--sort-button-font);
  font-size: var(--sort-button-size);
  font-weight: var(--sort-button-font-weight);
  line-height: var(--sort-body-line-height);
  letter-spacing: var(--sort-button-letter-spacing);
  text-transform: var(--sort-button-text-transform);
}

.scrollspy-nav__link.active {
  color: rgb(var(--color-text));
  background-position-x: var(--transform-origin-start);
  background-size: 100% var(--underline-thickness), 100% var(--underline-thickness);
}

.scrollspy-nav__item:has(> .scrollspy-nav__backtotop) {
  margin-inline-start: auto;
}

.scrollspy-nav__backtotop {
  gap: 8px;
}

.scrollspy-nav__backtotop::before {
  content: '';
  width: 1px;
  height: 16px;
  background: rgb(var(--color-text)/ 0.1);
  margin-inline-end: 16px;
  display: inline-block;
  vertical-align: middle;
}

@media (max-width: 959px) {
  .scrollspy-nav__item {
    padding-block: 20px;
  }
}

html.scrollspy-nav-stuck .theme-sticky-header--sticky .header-section:has([data-sticky-mode="sticky_on_scroll_up"]) {
  animation-name: animation-header-sticky-collapse;
  animation-delay: -0.26s;
}