.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  z-index: var(--z-toast);
  padding: var(--space-3) var(--space-4);
  background: var(--color-ink);
  color: var(--color-on-dark);
  border-radius: var(--radius-md);
  font-weight: var(--weight-semibold);
  text-decoration: none;
  transition: top var(--dur-fast) var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible {
  top: var(--space-3);
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.sr-only-focusable:focus,
.sr-only-focusable:focus-visible {
  position: static !important;
  width: auto !important;
  height: auto !important;
  overflow: visible !important;
  clip: auto !important;
  white-space: normal !important;
}

:focus:not(:focus-visible) {
  outline: none;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

@media (prefers-contrast: more) {
  :root {
    --color-muted: #4A4A4A;
    --color-border: #999999;
    --color-border-strong: #666666;
  }
  a { text-decoration-thickness: 2px; }
}

[aria-busy="true"] {
  cursor: progress;
}

[aria-hidden="true"] {
  pointer-events: none;
}

@media (forced-colors: active) {
  .btn {
    border: 1px solid ButtonText;
  }
  .btn-primary {
    background: ButtonFace;
    color: ButtonText;
  }
}