.avatar{width:30px;height:30px;border-radius:50%}.chat-area{display:flex;flex-direction:column;gap:16px;overflow-y:auto;scroll-behavior:smooth}.answer-sound-wave .bar,.question-sound-wave .bar{transform-origin:bottom;animation:dance 1.2s ease-in-out infinite}.question-sound-wave .bar{fill:#4a90e2}.answer-sound-wave .bar{fill:#3bb273}.answer-sound-wave .bar:first-child,.question-sound-wave .bar:first-child{animation-delay:0s}.answer-sound-wave .bar:nth-child(2),.question-sound-wave .bar:nth-child(2){animation-delay:.1s}.answer-sound-wave .bar:nth-child(3),.question-sound-wave .bar:nth-child(3){animation-delay:.2s}.answer-sound-wave .bar:nth-child(4),.question-sound-wave .bar:nth-child(4){animation-delay:.3s}.answer-sound-wave .bar:nth-child(5),.question-sound-wave .bar:nth-child(5){animation-delay:.4s}.answer-sound-wave .bar:nth-child(6),.question-sound-wave .bar:nth-child(6){animation-delay:.5s}.answer-sound-wave .bar:nth-child(7),.question-sound-wave .bar:nth-child(7){animation-delay:.6s}@keyframes dance{0%{transform:scaleY(1)}50%{transform:scaleY(1.5)}to{transform:scaleY(1)}}