body {
    /* Varsayılan renkler (light mode) */
    background-color: white;
    color: black;
    
    /* Dark mode renkleri */
    @media (prefers-color-scheme: dark) {
        background-color: black;
        color: white;
    }
    
    /* Ortalama ve font ayarları */
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "San Francisco", "Helvetica Neue", sans-serif;
    font-size: 48px;
}