:root {
    --bg: #0a0a0a;
    --text: #e8e8e8;
    --link: #8fb3ff;
    --link-visited: #c5d7ff;
    --link-hover: #a9c6ff;
    color-scheme: dark;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 16px;
    background: var(--bg);
    color: var(--text);
    font-family: serif;
    line-height: 1.6;
}

.nav-line {
    text-align: center;
    margin-bottom: 20px;
}

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

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

main a:hover,
main a:focus-visible {
    color: var(--link-hover);
    text-decoration: underline;
}

main {
    max-width: 900px;
    margin: 0 auto;
}

.skip-link {
    position: absolute;
    left: 12px;
    top: 8px;
    padding: 8px 12px;
    background: var(--bg);
    color: var(--text);
    border: 2px solid var(--link);
    border-radius: 4px;
    text-decoration: none;
    transform: translateY(-150%);
    transition: transform 0.15s ease;
}

.skip-link:focus-visible {
    transform: translateY(0);
    outline: none;
}

a:focus-visible {
    outline: 2px solid var(--link);
    outline-offset: 2px;
}