.pwa-install-popup {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 9999999;
}
.pwa-install-popup.hidden {
  display: none;
}
.pwa-install-card {
  width: 100%;
  max-width: 480px;
  background: #fff;
  border-radius: 16px 16px 0 0;
  padding: 22px;
}
.pwa-install-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}
.pwa-app-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
}
.pwa-app-info h3 {
  font-size: 18px;
  margin: 0;
  color: #222;
}
.pwa-app-info p {
  font-size: 13px;
  color: #888;
  margin: 4px 0 0;
}
.pwa-install-desc {
  font-size: 14px;
  color: #666;
  margin-bottom: 20px;
}
.pwa-install-btns {
  display: flex;
  gap: 12px;
}
.pwa-install-btns button {
  flex: 1;
  padding: 12px;
  border-radius: 10px;
  border: none;
  font-size: 15px;
  cursor: pointer;
}
.pwa-cancel {
  background: #f2f2f2;
  color: #666;
}
.pwa-confirm {
  background: #007bff;
  color: #fff;
  font-weight: 500;
}