/* Enable only after the replacement control is ready; document scrolling stays native. */
html.has-viewport-scrollbar {
  scrollbar-width: none;
  scrollbar-gutter: auto;
}
html.has-viewport-scrollbar::-webkit-scrollbar {
  width: 0;
  height: 0;
}
.viewport-scrollbar {
  position: fixed;
  z-index: 2147483000;
  inset: 4px 0 4px auto;
  width: 14px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: default;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}
.viewport-scrollbar[hidden] { display: none; }
.viewport-scrollbar__thumb {
  position: absolute;
  inset: 0 5px auto;
  height: 36px;
  border-radius: 2px;
  background: rgba(90,90,90,.42);
  box-shadow: 0 0 0 1px rgba(255,255,255,.35);
}
.viewport-scrollbar:hover .viewport-scrollbar__thumb,
.viewport-scrollbar:focus-visible .viewport-scrollbar__thumb,
.viewport-scrollbar.is-dragging .viewport-scrollbar__thumb {
  background: rgba(90,90,90,.8);
}
.viewport-scrollbar:focus { outline: none; }
.viewport-scrollbar:focus-visible .viewport-scrollbar__thumb {
  left: 4px;
  right: 4px;
  background: #555;
}
@media (forced-colors: active) {
  .viewport-scrollbar__thumb { background: ButtonText; forced-color-adjust: none; }
  .viewport-scrollbar:focus-visible .viewport-scrollbar__thumb { background: Highlight; }
}