.sidebar {
    width: 250px;
    background-color: #f0f0f0;
    padding: 20px;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
}

.chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 20px;
}

.messages {
    flex: 1;
    overflow-y: auto;
    border: 1px solid #ccc;
    padding: 10px;
    margin-bottom: 10px;
}

.user {
    color: blue;
}

.ai {
    color: green;
}

.ai-typing {
    border: 1px solid #ccc;
    padding: 10px;
    margin-bottom: 10px;
    background-color: #f9f9f9;
}

.input-area {
    display: flex;
}

#user-input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
}

#send-button {
    padding: 10px;
    background-color: #007bff;
    color: white;
    border: none;
    cursor