/* Skip link + main landmark helpers (dashboard layouts). */
.skip-link {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  z-index: 1080;
  padding: 0.5rem 0.85rem;
  background: #1a1a1a;
  color: #fff;
  border-radius: 0.25rem;
  text-decoration: none;
  font-weight: 600;
  transform: translateY(-150%);
  transition: transform 0.15s ease;
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  outline: 2px solid #fff;
  outline-offset: 2px;
  color: #fff;
}

main.main-panel:focus {
  outline: none;
}

/* Invalid fields (server + unobtrusive client validation) */
.form-control[aria-invalid="true"],
.form-control.input-validation-error {
  border-color: #dc3545;
}

.form-control[aria-invalid="true"]:focus,
.form-control.input-validation-error:focus {
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}