.lang-toggle{
  appearance:none;
  -webkit-appearance:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:46px;
  height:40px;
  padding:0 12px;
  border:1px solid rgba(167,255,50,.28);
  border-radius:12px;
  background:linear-gradient(145deg,rgba(255,255,255,.055),rgba(6,18,14,.72));
  color:#effff1;
  font:900 12px/1 Inter,Segoe UI,Roboto,Arial,sans-serif;
  letter-spacing:.08em;
  cursor:pointer;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04),0 8px 24px rgba(0,0,0,.18);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease,background .18s ease;
  flex:0 0 auto;
}
.lang-toggle:hover{
  transform:translateY(-1px);
  border-color:rgba(47,244,255,.46);
  background:linear-gradient(145deg,rgba(167,255,50,.08),rgba(6,22,18,.82));
  box-shadow:0 10px 30px rgba(0,0,0,.28),0 0 22px rgba(47,244,255,.08);
}
.lang-toggle:focus-visible{
  outline:2px solid rgba(47,244,255,.82);
  outline-offset:3px;
}
@media (max-width:780px){
  .lang-toggle{height:42px;min-width:44px;padding:0 10px;border-radius:11px;margin-left:auto}
  .topbar .top-actions + .lang-toggle{margin-left:auto}
}

@media (max-width:480px){
  .topbar{gap:8px}
  .topbar > .btn.btnPrimary{min-height:42px;padding-inline:12px;font-size:12px}
}