/* NestPortal v271: navegación inferior anclada al viewport de contenido */
@media(max-width:760px){
  html,body{height:100%!important;min-height:100%!important}
  @supports(height:100dvh){html,body{height:100dvh!important;min-height:100dvh!important}}

  body.chatKeyboardV259 .bottomNav,
  body.keyboardRecoveryV268 .bottomNav,
  body.keyboardOpenV270 .bottomNav,
  .bottomNav{
    position:fixed!important;
    left:0!important;
    right:0!important;
    top:auto!important;
    bottom:0!important;
    transform:none!important;
    translate:none!important;
    display:grid!important;
    visibility:visible!important;
    opacity:1!important;
    transition:none!important;
    will-change:auto!important;
  }

  body.chatKeyboardV259 .appShell,
  body.keyboardRecoveryV268 .appShell,
  body.keyboardOpenV270 .appShell,
  .appShell{
    bottom:calc(var(--nav) + var(--safe-bottom))!important;
    transform:none!important;
    transition:none!important;
  }

  body.keyboardOpenV271 .bottomNav{
    height:var(--nav)!important;
    padding-bottom:5px!important;
  }
  body.keyboardOpenV271 .appShell{
    bottom:var(--nav)!important;
  }
  body.keyboardOpenV271 .toast{
    bottom:calc(var(--nav) + 12px)!important;
  }
}