.pwa-install-prompt {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 2147483000;
  width: min(360px, calc(100vw - 36px));
  padding: 16px;
  border: 1px solid rgba(68, 173, 129, .35);
  border-radius: 14px;
  background: #2f3740;
  color: #fff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .28);
  font: 14px/1.4 Arial, sans-serif;
}

.pwa-install-prompt[hidden] { display: none; }

.pwa-install-prompt__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
}

.pwa-install-prompt__icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  object-fit: cover;
}

.pwa-install-prompt__text { margin: 0 0 12px; color: #e8f4ef; }

.pwa-install-prompt__actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.pwa-install-prompt__button {
  border: 0;
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  font-weight: 700;
}

.pwa-install-prompt__button--primary { background: #44ad81; color: #fff; }
.pwa-install-prompt__button--secondary { background: transparent; color: #c6eadb; }