.pwa-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.pwa-modal {
  background: #111;
  border: 1px solid;
  border-image: linear-gradient(135deg, #C09640, #EFE4A3) 1;
  padding: 20px;
  border-radius: 10px;
  width: 90%;
  max-width: 400px;
  text-align: center;
  animation: golden-glow 4s infinite linear;
}

.pwa-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 10px;
}

.pwa-actions button {
  padding: 10px 20px;
  margin: 10px 5px;
  border-radius: 5px;
  font-weight: bold;
  cursor: pointer;
}

.pwa-install {
  background: linear-gradient(135deg, #C09640, #EFE4A3);
  color: black;
  border: none;
}

.pwa-exit {
  background: #111;
  color: #fff;
  border: 1px solid;
  border-image: linear-gradient(135deg, #C09640, #EFE4A3) 1;
}

@keyframes golden-glow {
  0%   { border-image-source: linear-gradient(135deg, #C09640, #EFE4A3); }
  50%  { border-image-source: linear-gradient(135deg, #EFE4A3, #C09640); }
  100% { border-image-source: linear-gradient(135deg, #C09640, #EFE4A3); }
}