:root {
    color-scheme: light dark;
    --bg: #ffffff;
    --fg: #1a1a1a;
    --muted: #5b5b5b;
    --link: #0b6bcb;
    --card: #f4f4f5;
    --border: #e4e4e7;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #141d25;
        --fg: ghostwhite;
        --muted: #a1a1aa;
        --link: #4da3ff;
        --card: #1b2530;
        --border: #2a3644;
    }
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background-color: var(--bg);
    color: var(--fg);
    font-family: "Fira Code", "Cascadia Code", Consolas, Menlo, monospace;
    line-height: 1.6;
}

header,
main,
footer {
    max-width: 42rem;
    margin-inline: auto;
    padding-inline: 1.25rem;
}

header {
    padding-block: 3rem 1rem;
    text-align: center;
}

header h1 {
    font-size: 1.75rem;
    font-weight: 500;
    margin: 0 0 0.5rem;
}

main {
    padding-block: 1rem 2rem;
}

.links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 1rem;
    text-align: left;
}

.links li {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1rem 1.25rem;
}

.links li > a {
    font-weight: 500;
    font-size: 1.1rem;
}

.links p {
    margin: 0.35rem 0 0;
    color: var(--muted);
    font-size: 0.95rem;
}

footer {
    padding-block: 0 3rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--muted);
}

a {
    color: var(--link);
    text-decoration: none;
}

a:hover,
a:focus-visible {
    text-decoration: underline;
}