.pwa-connectivity {
  position: fixed;
  bottom: 1rem;
  inset-inline: 1rem;
  margin: 0 auto;
  width: fit-content;
  max-width: calc(100% - 2rem);
  padding: .65rem 1rem;
  border: 1px solid #e5c374;
  border-radius: .5rem;
  background: #fff3cd;
  color: #664d03;
  font: 14px/1.5 system-ui, sans-serif;
  z-index: 1100;
}
.pwa-connectivity[hidden] { display: none; }
.pwa-private-hidden body { visibility: hidden; }
.pwa-offline-page {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  background: #f5f7fa;
  color: #31374a;
  font: 16px/1.5 system-ui, sans-serif;
}
.pwa-offline-card { max-width: 28rem; padding: 2rem; text-align: center; }
.pwa-offline-card h1 { font-size: 1.5rem; }
.pwa-offline-card button {
  border: 0;
  border-radius: .4rem;
  background: #3874ff;
  color: white;
  padding: .75rem 1rem;
  font: inherit;
  cursor: pointer;
}
.pwa-offline-card a { display: block; margin-top: 1rem; color: #2058cf; }
@media (display-mode: standalone) {
  /* Default iOS status bar keeps the viewport inside safe areas. */
  body { padding-bottom: env(safe-area-inset-bottom, 0px); }
  .pwa-connectivity { bottom: max(1rem, env(safe-area-inset-bottom, 0px)); }
}