[hidden] { display: none !important; }
.install-actions { display: flex; align-items: center; gap: 8px; }
.pwa-install { font-size: 12px; padding: 7px 12px; white-space: nowrap; }
.pwa-banner { background: var(--surface); border-bottom: 1px solid var(--line); padding: 10px 24px; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px 16px; }
.pwa-banner button { padding: 5px 12px; font-size: 12px; }
#pwa-help { width: min(440px, calc(100% - 32px)); border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--ink); padding: 28px; }
#pwa-help::backdrop { background: #172a24aa; }
#pwa-help h2 { margin-top: 0; }
#pwa-help form { text-align: right; margin-top: 24px; }
#client-download-dialog { width: min(440px, calc(100% - 32px)); max-height: calc(100dvh - 32px); overflow: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--ink); padding: 24px; }
#client-download-dialog::backdrop { background: #172a24aa; }
#client-download-dialog h2 { margin-top: 0; }
#client-download-dialog p { color: var(--muted); font-size: 13px; }
#client-download-dialog form { text-align: right; margin-top: 20px; }
.client-download-option { display: flex; flex-direction: column; gap: 5px; margin-top: 12px; padding: 14px; border: 1px solid var(--line); border-radius: 8px; }
.client-download-option:hover { background: var(--surface); }
.client-download-option span, #client-download-dialog .client-download-note { font-size: 12px; }
.client-download-note a { text-decoration: underline; }
@media (max-width: 650px) {
  .site-header { height: auto; min-height: 108px; padding-top: 14px; flex-wrap: wrap; gap: 8px; }
  .site-header nav { order: 3; width: 100%; justify-content: center; }
  .site-header nav a { padding: 10px 0 12px; }
  .install-actions { margin-left: auto; }
}
@media (display-mode: standalone) {
  .site-header { --header-top-space: 20px; }
  body { padding-bottom: env(safe-area-inset-bottom); }
  .pwa-install { display: none; }
}
.native-app .site-header { --header-top-space: 20px; }
.native-app body { padding-bottom: env(safe-area-inset-bottom); }
.native-app .pwa-install { display: none; }
.native-app .client-download { display: none; }