/* Stato loading del bottone */
.single_add_to_cart_button.is-loading {
  position: relative;
  pointer-events: none;
  opacity: .85;
}

/* Nasconde il testo del bottone quando loading (teniamo l’altezza) */
.single_add_to_cart_button.is-loading .tg-btn-text {
  visibility: hidden;
}

/* Spinner centrato nel bottone */
.single_add_to_cart_button.is-loading::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 1.1em;
  height: 1.1em;
  border: 2px solid currentColor;
  border-bottom-color: transparent;
  border-radius: 50%;
  display: block;
  animation: tg-spin .65s linear infinite;
}

@keyframes tg-spin {
  to { transform: rotate(360deg); }
}

/* Messaggio inline accanto al bottone */
.tg-cart-msg {
  margin-left: .75rem;
  font-size: .95em;
  display: inline-block;
}