/* Custom animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.chat-message {
    animation: fadeIn 0.3s ease-out forwards;
}

/* Typing indicator */
.typing-indicator {
    display: inline-block;
}
.typing-indicator span {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #6b7280;
    margin-right: 4px;
    animation: typing 1s infinite ease-in-out;
}
.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}
.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
    margin-right: 0;
}

@keyframes typing {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* Responsive adjustments */
@media (max-width: 640px) {
    #chat-container {
        height: 60vh;
    }
}