/* PWA install affordances */

.pwa-install-btn[hidden],
.pwa-banner[hidden] {
  display: none !important;
}

.pwa-install-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.site-header-inner .pwa-install-btn {
  margin-left: auto;
}

.site-nav-desktop .pwa-install-btn,
.site-nav-sheet .pwa-install-btn {
  margin-left: 0;
}

.pwa-banner {
  position: fixed;
  left: 50%;
  bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
  z-index: 45;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: min(28rem, calc(100vw - 1.5rem));
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  transform: translateX(-50%);
}

.pwa-banner-copy {
  flex: 1;
  min-width: 0;
}

.pwa-banner-copy strong {
  display: block;
  font-size: 0.95rem;
  color: var(--ink);
}

.pwa-banner-copy span {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.pwa-banner-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

html.is-pwa .pwa-install-btn,
html.is-pwa .pwa-banner {
  display: none !important;
}

.pwa-ios-steps {
  margin: 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.55rem;
  color: var(--ink);
}

.pwa-ios-steps li {
  line-height: 1.4;
}

.pwa-ios-steps kbd {
  display: inline-block;
  padding: 0.05rem 0.35rem;
  border: 1px solid var(--border);
  border-radius: 0.25rem;
  background: var(--surface-muted);
  font-size: 0.85em;
}

@media (max-width: 820px) {
  .site-header-inner > .pwa-install-btn {
    display: none;
  }

  .pwa-banner {
    bottom: calc(var(--mobile-tabbar-h, 3.75rem) + 0.75rem + env(safe-area-inset-bottom, 0px));
  }
}