/* v50: elevated liquid pills + overshoot-safe rail edges + Safari bottom chrome cleanup. */

/* --------------------------------------------------------------------------
   Liquid filter hierarchy
   Keep the moving glass visually above the rail surface and the label above
   the glass. Non-scrolling segmented controls may let the spring overshoot
   outside their rail; the top chapter rail keeps native x scrolling, so it
   gets a larger inner gutter instead of clipping the first/last overshoot.
   -------------------------------------------------------------------------- */
:is(.nav-scroll,.collection-tabs,.theme-choice,.v32-question-segment,.v40-question-segment){
  position:relative!important;
  isolation:isolate!important;
}

:is(.nav-v33-indicator,.collection-v33-indicator,.theme-v34-indicator,.v36-question-indicator){
  z-index:6!important;
  overflow:visible!important;
}

:is(.nav-v33-indicator,.collection-v33-indicator,.theme-v34-indicator,.v36-question-indicator)>.v37-liquid-skin{
  z-index:1!important;
  overflow:visible!important;
}

:is(.nav-chip,.collection-tab,.theme-choice>button,.v32-question-segment>button,.v40-question-segment>button,.collection-filter){
  position:relative!important;
  z-index:8!important;
}

/* The native horizontal chapter scroller must still clip at its scrollport.
   Give the spring enough runway so the Breeze overshoot is visible instead of
   hitting the left/right edge of that scrollport. */
.nav-scroll{
  padding-left:14px!important;
  padding-right:54px!important;
}

/* These rails do not need to own a horizontal scrolling viewport, so the
   moving pill may visibly rise/overshoot beyond the rail edge. */
:is(.collection-tabs,.theme-choice,.v32-question-segment,.v40-question-segment){
  overflow:visible!important;
}

/* Secondary category chips should also sit above their local tool surface. */
#collectionFilters,
.collection-filters{
  position:relative!important;
  z-index:5!important;
}
.collection-filter{
  z-index:7!important;
}

/* Give the liquid surface a little more separation from the recessed rail.
   This affects only paint; geometry and the accepted Breeze spring stay intact. */
.v37-liquid-skin{
  box-shadow:
    0 7px 18px rgba(38,84,176,.22),
    0 2px 5px rgba(27,67,151,.12),
    inset 0 1px 0 rgba(255,255,255,.30),
    inset 0 -1px 0 rgba(13,48,120,.13)!important;
}
html[data-theme="dark"] .v37-liquid-skin{
  box-shadow:
    0 8px 20px rgba(9,29,73,.34),
    0 2px 6px rgba(18,58,136,.18),
    inset 0 1px 0 rgba(255,255,255,.27),
    inset 0 -1px 0 rgba(4,29,82,.18)!important;
}

/* --------------------------------------------------------------------------
   Safari bottom address-pill area
   Higher-specificity dark-theme rules from older layers could repaint body
   after v48. Make the browser-facing canvas explicitly transparent again while
   keeping actual page sections responsible for their own light/dark surfaces.
   -------------------------------------------------------------------------- */
html,
html[data-theme="light"],
html[data-theme="dark"],
body,
html[data-theme="light"] body,
html[data-theme="dark"] body{
  background:transparent!important;
  background-color:transparent!important;
  background-image:none!important;
}

html,
body{
  margin-bottom:0!important;
  padding-bottom:0!important;
}

/* No site-owned safe-area plate/pseudo surface behind Safari chrome. */
html::before,
html::after,
body::before,
body::after{
  background:transparent!important;
  background-color:transparent!important;
  background-image:none!important;
  box-shadow:none!important;
}

@media(max-width:430px){
  .nav-scroll{
    padding-left:14px!important;
    padding-right:48px!important;
  }
}