.typing-indicator span {
    animation: typing 1.4s infinite both;
}
.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}
.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}
@keyframes typing {
    0%, 60%, 100% {
    transform: translateY(0);
    }
    30% {
    transform: translateY(-4px);
    }
}
.chat-messages {
    scrollbar-width: thin;
    scrollbar-color: #2d85cd transparent;
}
.chat-messages::-webkit-scrollbar {
    width: 6px;
}
.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}
.chat-messages::-webkit-scrollbar-thumb {
    background-color: #2d85cd;
    border-radius: 3px;
}