#langOverlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:50}
#langOverlay.open{display:block}
#langPanel{display:none;position:fixed;right:10px;top:54px;width:min(300px,calc(100vw - 20px));max-height:70vh;overflow:auto;background:#fff;border-radius:14px;z-index:51;padding:10px;border:1px solid #9ca3af}
#langPanel.open{display:block}
.lang-top{display:flex;gap:8px;margin:0 0 8px}
#langSearch{flex:1;height:36px;border:1px solid #4b5563;border-radius:10px;padding:0 10px}
#langClose{width:36px;height:36px;border:1px solid #4b5563;border-radius:10px;background:#fff}
.lang-item{display:flex;gap:8px;align-items:center;padding:8px;cursor:pointer}