.popup {
  position: fixed;
  top: 20px;
  right: 20px;
  max-width: 400px;
  min-height: 60px;
  padding: 16px;
  color: white;
  z-index: 1000000;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.popup.show {
  opacity: 1;
  transform: translateY(0);
}

.popup-message {
  flex-grow: 1;
  margin-right: 16px;
}

.popup-close {
  background: none;
  border: none;
  color: white;
  font-size: 24px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

@media (max-width: 480px) {
  .popup {
    top: 10px;
    right: 10px;
    left: 10px;
    width: auto;
  }
}