body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    color: #333;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

h1 {
    color: #4CAF50;
}

main {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

section {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #45a049;
}

.response-text {
    margin-top: 20px;
    font-size: 1.2em;
}

.response-audio {
    margin-top: 20px;
    width: 100%;
}