.lang-switch{display:flex;align-items:center;gap:2px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:2px 4px;}
.lang-btn{
  display:flex;align-items:center;justify-content:center;
  width:40px;height:40px;
  border:none;background:none;padding:0;cursor:pointer;
  opacity:0.45;transition:opacity .16s ease;
}
.lang-btn svg{
  width:22px;height:22px;object-fit:cover;border-radius:50%;
  border:1.5px solid transparent;
  transition:border-color .16s ease;
}
.lang-btn.active svg{border-color:var(--ink);}
.lang-btn:hover{opacity:0.8;}
.lang-btn.active{opacity:1;}
@media(max-width:900px){
  .lang-btn{width:44px;height:44px;}
}