.popup {
  z-index: -10;
  position: fixed;
  top: 20px;
  right: 20px;
  width: 300px;
  background: #fff;
  border-left: 5px solid #0d6efd;
  padding: 16px;
  border-radius: 8px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  opacity: 0;
  transform: translateY(-40px);
  transition: all 0.4s ease;
}

.popup.show {
  z-index: 9999;
  opacity: 1;
  transform: translateY(0);
}

.popup__close {
  position: absolute;
  top: 10px;
  right: 14px;
  font-size: 18px;
  cursor: pointer;
  color: #888;
}

.popup.success {
  border-left-color: #198754;
}
.popup.error {
  border-left-color: #dc3545;
}

.button__loader {
  margin-left: 10px;
}