.pwa-install-banner {
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  background: #0b1020;
  color: #fff;
  padding: 1rem 1.2rem;
  border-radius: 1rem;
  box-shadow: 0 4px 12px rgba(0,0,0,.3);
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  align-items: center;
  z-index: 9999;
  font-size: 15px;
}
.pwa-btn {
  background: #0f172a;
  color: #fff;
  border: none;
  padding: .5rem 1rem;
  border-radius: .5rem;
  cursor: pointer;
}
.pwa-close {
  background: transparent;
  color: #fff;
  border: none;
  font-size: 1.4rem;
  margin-left: auto;
  cursor: pointer;
}