#chat-interface {
    max-width: 600px;
    margin: 20px auto;
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
}

#chat-header {
    background: #f5f5f5;
    padding: 10px;
    border-bottom: 1px solid #ddd;
}

#chat-header h3 {
    margin: 0;
    color: #333;
}

#chat-log {
    height: 400px;
    overflow-y: auto;
    padding: 15px;
    background: #fff;
}

#chat-input {
    display: flex;
    padding: 10px;
    background: #f5f5f5;
    border-top: 1px solid #ddd;
}

#user-input {
    flex: 1;
    padding: 8px;
    margin-right: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    padding: 8px 15px;
    background: #007bff;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

#teach-interface {
    padding: 10px;
    background: #f5f5f5;
    border-top: 1px solid #ddd;
}

.message {
    margin-bottom: 10px;
    padding: 8px;
    border-radius: 4px;
}

.user-message {
    background: #e3f2fd;
    margin-left: 20%;
}

.bot-message {
    background: #f5f5f5;
    margin-right: 20%;
}