@keyframes heart-pop {
  0% {
    transform: scale(1);
  }

  40% {
    transform: scale(1.55);
  }

  60% {
    transform: scale(1.25);
  }

  100% {
    transform: scale(1);
  }
}

@keyframes heart-unpop {
  0% {
    transform: scale(1);
    opacity: 1;
  }

  100% {
    transform: scale(0.85);
    opacity: 0.75;
  }
}

.fav-btn.animate-pop {
  animation: heart-pop 0.4s ease-out forwards;
}

.fav-btn.animate-unpop {
  animation: heart-unpop 0.3s ease-in forwards;
}

.spinner {
  width: 60px;
  height: 60px;
  font-size: 48px;
  color: #8b5cf6;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: spin-symbol 1.2s linear infinite;
}

@keyframes spin-symbol {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}