body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
}

h1 {
    color: #333;
}

#chatContainer {
    width: 80%;
    max-width: 600px;
    background-color: #fff;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    height: 80vh;
}

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

#messageForm {
    display: flex;
    padding: 10px;
}

#messageInput {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin-right: 10px;
}

button {
    padding: 10px 15px;
    background-color: #007BFF;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}