/* PWA install popup */
#pwaPopup {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
  display: none;           /* JS sets to flex if needed */
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
#pwaPopup .popup-content {
  background: #ffffff;
  max-width: 320px;
  padding: 20px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 6px 18px rgba(0,0,0,0.2);
  font-family: system-ui, sans-serif;
}
#pwaPopup p {
  margin-bottom: 16px;
  font-size: 15px;
  color: #333;
}
#pwaPopup button {
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  background: #ffcc00;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.25s;
}
#pwaPopup button:hover { background: #ffb700; }