.lang-btn{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 10px 0 9px;background:transparent;border:1px solid rgba(255,255,255,0.1);border-radius:10px;color:#fff;font:600 12px/1 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;letter-spacing:.06em;cursor:pointer;transition:border-color .2s ease,background-color .2s ease}.lang-btn svg{width:16px;height:16px;flex:none}.lang-btn:hover{border-color:rgba(255,255,255,0.3);background:rgba(255,255,255,0.04)}.lang-btn[aria-expanded="true"]{border-color:rgba(255,255,255,0.35);background:rgba(255,255,255,0.06)}.lang-btn:focus-visible{outline:0;border-color:rgba(0,255,255,0.6)}.lang-menu{position:fixed;z-index:10050;width:176px;padding:6px;background:#16181b;border:1px solid #2a2d31;border-radius:10px;box-shadow:0 12px 32px rgba(0,0,0,0.55);font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;transform-origin:top right;animation:langMenuIn .14s ease-out}.lang-menu[hidden]{display:none}@keyframes langMenuIn{from{opacity:0;transform:translateY(-4px)}}.lang-item{display:block;width:100%;padding:9px 12px;background:transparent;border:0;border-radius:7px;color:#e5f0ff;font:500 14px/1.3 inherit;font-family:inherit;text-align:left;cursor:pointer;transition:background-color .12s ease,color .12s ease}.lang-item:hover,.lang-item:focus-visible{background:#22252a;outline:0}.lang-item.is-active{background:#1e2a2b;color:#0ff}.lang-toast{position:fixed;top:76px;left:50%;z-index:10060;display:inline-flex;align-items:center;gap:8px;padding:10px 16px;background:#16181b;border:1px solid #2a2d31;border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,0.5);color:#e5f0ff;font:500 13px/1.2 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;opacity:0;transform:translate(-50%,-8px);transition:opacity .2s ease,transform .2s ease;pointer-events:none}.lang-toast.show{opacity:1;transform:translate(-50%,0)}.lang-toast svg{width:16px;height:16px;color:#0ff}.lang-toast .lang-toast-en{color:#94a3b8}@media(max-width:768px){.lang-btn{height:34px}}