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

canvas {
    max-width: 90%;
    max-height: 90%;
}

.btn-container {
    position: absolute;
    bottom: 10%;
    display: flex;
    justify-content: center;
    width: 100%;
}

.btn-microfono {
    background-color: white;
    color: black;
    border: none;
    padding: 15px 25px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.btn-microfono.activo {
    background-color: red;
    color: white;
}

.popup {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    color: black;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.5);
    text-align: center;
    max-width: 400px;
}

.popup button {
    margin-top: 10px;
    padding: 10px;
    cursor: pointer;
    background-color: black;
    color: white;
    border: none;
    border-radius: 5px;
}