body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.chat-container {
    max-width: 600px;
    margin: 50px auto;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

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

#message-input {
    width: calc(100% - 70px);
    padding: 8px;
    margin-right: 10px;
}

#send-button {
    padding: 8px 15px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#char-count {
    margin-top: 5px;
    font-size: 12px;
    color: gray;
}