body {
    font-family: Arial, sans-serif;
    max-width: 600px;
    margin: 40px auto;
    padding: 10px;
    line-height: 1.5;
}

h2 {
    margin-bottom: 20px;
}

input, textarea {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
}

button {
    padding: 10px 15px;
    cursor: pointer;
}

.chat-box {
    border: 1px solid #ccc;
    padding: 10px;
    height: 300px;
    overflow-y: scroll;
    margin-bottom: 20px;
}