body {
    font-family: Arial, sans-serif;
}

header {
    padding: 12px 16px;
    border-bottom: 1px solid #ccc;
}

header h1 {
    margin: 0 0 4px;
    font-size: 1.25rem;
}

header p {
    margin: 0;
    color: #555;
    font-size: 0.9rem;
}

#chat-container {
    width: 500px;
    margin: 50px auto;
    border: 1px solid #ccc;
}

#chat-window {
    height: 400px;
    overflow-y: scroll;
    border-bottom: 1px solid #ccc;
}

#messages {
    padding: 10px;
}

#messages p {
    margin: 5px 0;
}

#user-input {
    width: 80%;
    padding: 10px;
    border: none;
}

#send-button {
    width: 20%;
    padding: 10px;
    background-color: #007BFF;
    color: white;
    border: none;
    cursor: pointer;
}

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