.pwa-update-notice {
  position: fixed; z-index: 2147483000; bottom: 20px; left: 50%;
  box-sizing: border-box; width: calc(100% - 32px); max-width: 520px;
  display: flex; align-items: center; flex-wrap: wrap; gap: 10px;
  padding: 14px 16px; transform: translateX(-50%);
  border: 1px solid #e1dff0; border-radius: 14px;
  color: #28243c; background: #fff; box-shadow: 0 8px 32px #20184a26;
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.pwa-update-notice span { flex: 1 1 220px; }
.pwa-update-notice button {
  min-height: 44px; padding: 8px 12px; border: 0; border-radius: 9px;
  color: #fff; background: #6853e8; font: inherit; cursor: pointer;
}
.pwa-update-notice button:disabled { opacity: .6; cursor: wait; }
.pwa-update-notice .pwa-update-notice__dismiss { color: #675e7b; background: #f2f0f8; }
.pwa-update-notice button:focus-visible { outline: 3px solid #bbaeff; outline-offset: 3px; }
@media (max-width: 480px) {
  .pwa-update-notice { justify-content: flex-end; }
  .pwa-update-notice span { flex-basis: 100%; }
}
@supports (bottom: env(safe-area-inset-bottom)) {
  .pwa-update-notice { bottom: calc(16px + env(safe-area-inset-bottom)); }
}