/* Accessibility layer, loaded after every other stylesheet: the keyboard focus ring and the skip link. Colours
   stay as main.css and darktheme.css set them; the tokens used here are in variables.css and darktheme.css. */

/* Keyboard focus: one visible ring on every focusable element, whatever a component's outline rule says.
   No transition, so the ring appears at once (the sidebar links animate "all"). */
:focus-visible {
  outline: 3px solid var(--vt-focus) !important;
  outline-offset: 2px !important;
  transition: none !important;
}

.form-control:focus-visible,
.form-select:focus-visible,
.form-check-input:focus-visible,
.multiselect:focus-visible {
  outline-offset: 1px !important;
}

/* "Skip to content": off screen until it has keyboard focus. */
.skip-link {
  position: fixed;
  top: 8px;
  left: 16px;
  z-index: 100000;
  padding: 10px 16px;
  border: 2px solid var(--vt-focus);
  border-radius: 8px;
  background: var(--vt-surface);
  color: var(--vt-link);
  font-weight: 600;
  text-decoration: underline;
  transform: translateY(-200%);
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: none;
  color: var(--vt-link);
}