/* Native-only overrides.
   reference/ is never edited; sync-www.sh injects this as the last stylesheet
   in <head>, so on equal specificity these rules win. */

:root{
  /* Filled in from Android WindowInsets by MainActivity via __applyInsets().
     The env() defaults keep the page correct in a plain desktop browser, where
     env() works and the native bridge is absent. */
  --ins-t: env(safe-area-inset-top, 0px);
  --ins-b: env(safe-area-inset-bottom, 0px);
  --ins-l: env(safe-area-inset-left, 0px);
  --ins-r: env(safe-area-inset-right, 0px);

  /* The reference derives --sab from env(safe-area-inset-bottom), which is
     always 0px inside an Android WebView. Re-point it at the real inset.
     .bnav and .sheet both key off --sab, so they need no further changes. */
  --sab: var(--ins-b);
}

@media (max-width:820px){
  /* The reference sets `padding: 8px 8px calc(var(--nav) + var(--sab) + 8px)`.
     Bottom already accounts for --sab; add the top and side insets so the unit
     panel clears the status bar and any display cutout. */
  .app{
    padding-top: calc(8px + var(--ins-t));
    padding-left: calc(8px + var(--ins-l));
    padding-right: calc(8px + var(--ins-r));
  }

  /* Bottom nav is position:fixed and spans the full width, so it needs the
     side insets itself. Its height/padding-bottom already follow --sab. */
  .bnav{
    padding-left: var(--ins-l);
    padding-right: var(--ins-r);
  }
}