body {
    font-family: sans-serif;
    background: #f0f4f8;
    padding: 30px;
}

.container {
    max-width: 500px;
    margin: auto;
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 0 10px #ccc;
}

textarea {
    width: 100%;
    padding: 10px;
    font-size: 16px;
}

select,
button {
    margin-top: 10px;
    padding: 10px;
    font-size: 16px;
    width: 100%;
}

.audio-output {
    margin-top: 20px;
    text-align: center;
}