#ai-chat-container {
    border: 1px solid #ddd;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #fff;
}

#ai-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: #f8f9fa;
}

.chat-message {
    margin-bottom: 15px;
    padding: 12px 16px;
    border-radius: 18px;
    max-width: 80%;
    word-wrap: break-word;
}

.user-message {
    background: #007cba;
    color: white;
    margin-left: auto;
    text-align: right;
}

.ai-message {
    background: #e9ecef;
    color: #333;
    margin-right: auto;
}

#ai-chat-input-container {
    display: flex;
    padding: 15px;
    border-top: 1px solid #ddd;
    background: #fff;
}

#ai-chat-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid #ddd;
    border-radius: 20px;
    outline: none;
    font-size: 14px;
}

#ai-chat-input:focus {
    border-color: #007cba;
}

#ai-chat-send {
    margin-left: 10px;
    padding: 12px 20px;
    background: #007cba;
    color: white;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
}

#ai-chat-send:hover:not(:disabled) {
    background: #005a87;
}

#ai-chat-send:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

#ai-chat-loading {
    padding: 10px 20px;
    text-align: center;
    font-style: italic;
    color: #666;
    background: #f8f9fa;
}

@media (max-width: 600px) {
    .chat-message {
        max-width: 95%;
    }
    
    #ai-chat-input-container {
        padding: 10px;
    }
    
    #ai-chat-send {
        padding: 12px 16px;
    }
}