body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    text-align: center;
    padding: 20px;
}

.container {
    max-width: 600px;
    margin: auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

input {
    width: 70%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}

button {
    padding: 10px 15px;
    margin: 5px;
    background-color: blue;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:disabled {
    background-color: gray;
}

#responseBox {
    margin-top: 20px;
    padding: 15px;
    background: #e9e9e9;
    border-radius: 5px;
}

#chatHistory {
    text-align: left;
    background: #fff;
    padding: 10px;
    max-height: 300px;
    overflow-y: auto;
    border-radius: 5px;
    border: 1px solid #ccc;
    margin-bottom: 10px;
}

#chatHistory p {
    margin: 5px 0;
}