#install-popup {
  display: none;
  position: fixed;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(0, 0, 0, 0.8); /* پس‌زمینه سیاه با شفافیت 20٪ */
  color: orange;
  padding: 20px 40px;
  border: 3px solid #FF6F00;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  z-index: 9999;
  font-size: 18px;
  width: 90%;
  max-width: 500px;
  text-align: center;
}

#install-btn, #cancel-btn {
  background-color: #FF6F00;
  color: white;
  padding: 10px 20px;
  border-radius: 5px;
  border: none;
  cursor: pointer;
  font-size: 16px;
  margin-top: 10px;
}

#cancel-btn {
  background-color: #ccc;
}