body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    font-family: sans-serif;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    text-align: center;
}

/* Light mode styles */
body {
    background-color: #ffffff;
    color: #000000;
}

/* Dark mode styles */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: #ffffff;
    }
}