:root {
    --bg-primary: #f6f6f6;
    --text-primary: #333333;
    --text-secondary: #666666;
    --link-color: cornflowerblue;
    --link-hover: lightslategray;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1a1a1a;
        --text-primary: #e0e0e0;
        --text-secondary: #a0a0a0;
        --link-color: #87ceeb;
        --link-hover: #b0c4de;
    }
}

body {
    font-family: sans-serif;
    padding: 2.5em;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s, color 0.3s;
}

a {
    color: var(--link-color);
    transition: all 0.1s ease-in-out;
    text-decoration: none;
}

a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}