@media (max-width:640px){.voice-chat-container{height:100vh;height:100dvh}.chat-bubble{font-size:14px;line-height:1.4}.record-button{touch-action:manipulation;-webkit-tap-highlight-color:transparent}.language-selector{min-width:60px}}.chat-bubble-enter{opacity:0;transform:translateY(20px)}.chat-bubble-enter-active{opacity:1;transform:translateY(0);transition:opacity .3s,transform .3s}.record-pulse{animation:pulse 2s infinite}@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(239,68,68,.7)}70%{box-shadow:0 0 0 10px rgba(239,68,68,0)}to{box-shadow:0 0 0 0 rgba(239,68,68,0)}}.translate-loading{animation:bounce 1.4s ease-in-out infinite both}.translate-loading:first-child{animation-delay:-.32s}.translate-loading:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.chat-messages::-webkit-scrollbar{width:4px}.chat-messages::-webkit-scrollbar-track{background:transparent}.chat-messages::-webkit-scrollbar-thumb{background:rgba(0,0,0,.2);border-radius:2px}.chat-messages::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,.3)}