body {
    font-family: system-ui,Segoe UI,Roboto,Arial;
    padding: 12px;
    text-align: center;
}

video {
    max-width: 100%;
    margin-bottom: 20px;
    display: none;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    margin: 10px;
}

#status {
    margin-bottom: 12px;
    font-weight: bold;
}