.pwa-prompt {
  display: none;
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-51.7%);
  width: calc(100% - 2rem);
  max-width: 480px;
  z-index: 9999;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  padding: 1rem 1.25rem;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
  box-sizing: border-box;
}

.pwa-prompt__header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pwa-prompt__icon {
  border-radius: 10px;
  flex-shrink: 0;
}

.pwa-prompt__text {
  flex: 1;
}

.pwa-prompt__title {
  margin: 0;
  font-weight: 600;
  font-size: 14px;
  color: #111;
}

.pwa-prompt__subtitle {
  margin: 2px 0 0;
  font-size: 12px;
  color: #666;
}

.pwa-prompt__close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: #999;
  padding: 0;
  line-height: 1;
  flex-shrink: 0;
}

.pwa-prompt__close:hover {
  color: #555;
}

.pwa-prompt__actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.pwa-prompt__btn {
  flex: 1;
  padding: 8px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  font-weight: 500;
}

.pwa-prompt__btn--secondary {
  background: none;
  border: 1px solid #ddd;
  color: #555;
}

.pwa-prompt__btn--secondary:hover {
  background: #f5f5f5;
}

.pwa-prompt__btn--primary {
  background: #0071e3;
  border: none;
  color: #fff;
}

.pwa-prompt__btn--primary:hover {
  background: #005bbf;
}

.pwa-prompt__steps {
  margin: 12px 0 0;
  padding-left: 1.25rem;
  font-size: 13px;
  color: #555;
  line-height: 2;
}

.pwa-prompt__steps strong {
  color: #111;
  font-weight: 600;
}

@media (prefers-color-scheme: dark) {
  .pwa-prompt {
    background: #1c1c1e;
    border-color: #3a3a3c;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  }

  .pwa-prompt__title,
  .pwa-prompt__steps strong {
    color: #f5f5f7;
  }

  .pwa-prompt__subtitle,
  .pwa-prompt__steps {
    color: #98989d;
  }

  .pwa-prompt__close {
    color: #636366;
  }

  .pwa-prompt__close:hover {
    color: #aeaeb2;
  }

  .pwa-prompt__btn--secondary {
    border-color: #3a3a3c;
    color: #aeaeb2;
  }

  .pwa-prompt__btn--secondary:hover {
    background: #2c2c2e;
  }
}