#whatsapp-cart {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 9999;
  background: #25d366;
  color: #fff;
  border-radius: 50%;
  width: 65px;
  height: 65px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
  cursor: pointer;
  transition: background 0.2s;
}

#whatsapp-cart:hover {
  background: #128c7e;
}

#whatsapp-cart .cart-count {
  position: absolute;
  top: 8px;
  right: 8px;
  background: #b17a30;
  color: #fff;
  font-size: 14px;
  font-weight: bold;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
}

@media (max-width: 576px) {
  #whatsapp-cart {
    width: 50px;
    height: 50px;
    bottom: 15px;
    right: 15px;
  }

  #whatsapp-cart .cart-count {
    width: 18px;
    height: 18px;
    font-size: 12px;
  }
}