:root {
    --bg-light: #f1f1f1;
    --bg-dark: #121212;
    --text-light: #121212;
    --text-dark: #f1f1f1;
    --link-color: #5A9F30;
    /* Default link color */
    --hover-color: #CAFF72;
    /* Hover color */
    --active-color: #9FE652;
    /* Clicked color */
    --visited-color: #4A7F28;
    /* Visited color */
}

body {
    margin: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-light);
    color: var(--text-light);
    font-family: sans-serif;
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: var(--bg-dark);
        color: var(--text-dark);
    }

    #logo-light {
        display: none;
    }

    :root {
        --link-color: #9FE652;
        /* Lighter green for contrast */
        --hover-color: #CAFF72;
        /* Same hover color */
        --active-color: #BFFF80;
        /* Slightly lighter than hover */
        --visited-color: #7FC44A;
        /* Muted visited color */
    }
}

@media (prefers-color-scheme: light) {
    #logo-dark {
        display: none;
    }
}

a {
    text-decoration: none;
    color: var(--link-color);
    transition: color 0.2s ease-in-out;
}

a:hover {
    color: var(--hover-color);
}

a:active {
    color: var(--active-color);
}

a:visited {
    color: var(--visited-color);
}

/* Accessibility focus state */
a:focus {
    outline: 2px solid var(--hover-color);
}

img {
    max-width: 80%;
    height: auto;
}