.language-toggle{flex:0 0 auto;display:flex;align-items:center;justify-content:center;gap:4px;width:58px;height:38px;border:1px solid #f5fff030;border-radius:20px;background:#13373d66;backdrop-filter:blur(12px);color:#f2f6ed;font-size:10px;font-weight:500;cursor:pointer}
.language-toggle span{opacity:.5}.language-toggle span.current{opacity:1;color:#d6efb0;font-weight:800}.language-toggle:hover{background:#254e56aa}
html[lang="en"] body.playing .challenge-number::before{content:'BUOY '}
@media(max-width:720px){.topbar{gap:8px}.top-actions{gap:4px}.top-actions .icon-btn{width:30px;height:32px}.language-toggle{width:44px;height:32px;gap:3px;font-size:8px}}