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

.chat-container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #f9f9f9;
}

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

#output {
    padding: 10px;
}

.message {
    margin-bottom: 10px;
}

#message {
    width: calc(100% - 60px);
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

#send {
    width: 50px;
    padding: 10px;
    border: none;
    border-radius: 5px;
    background-color: #5cb85c;
    color: white;
    cursor: pointer;
}

.video-thumbnail {
    cursor: pointer;
}

.video-embed {
    display: none;
    width: 100%;
    height: 315px;
    border: none;
}