/* Flash Cards tab/button visibility + click fix.
   Intentionally scoped to the Flash Cards navigation control. */
.tab[data-page="flashcards"] {
  display: inline-flex !important;
  visibility: visible !important;
  opacity: 1 !important;
  color: #1f2937 !important;
  background: #ffffff !important;
  border: 1px solid #d1d5db !important;
  position: relative !important;
  z-index: 1000 !important;
  pointer-events: auto !important;
  cursor: pointer !important;
}
.tab[data-page="flashcards"]:hover,
.tab[data-page="flashcards"].active {
  color: #ffffff !important;
  background: #2563eb !important;
}