.book-whatsapp {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  padding: 10px 12px;
  border: 1px solid #25d366;
  color: #087f80;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .04em;
  transition: .2s ease;
}

.book-whatsapp:hover {
  background: #25d366;
  color: #103b2d;
}

.whatsapp-button {
  background: #25d366 !important;
  border-color: #25d366 !important;
  color: #103b2d !important;
}

.whatsapp-button:hover {
  background: #49df7d !important;
  transform: translateY(-2px);
}

.latest-actions,
.book-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 760px) {
  .latest-actions .button,
  .book-detail-actions .button {
    width: 100%;
  }
}