*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Georgia, 'Times New Roman', serif;
    background-color: var(--page-bg);
    color: var(--text-color);
    line-height: 1.8;
    min-height: 100vh;
}

main {
    max-width: 720px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem 4rem;
}

@media (max-width: 480px) {
    main {
        padding: 1.5rem 1rem 3rem;
    }
}

.citation-box {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.25rem 1rem;
    max-width: 700px;
    margin: 1.5rem auto 0;
    line-height: 1.5;
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 0.78rem;
}

.citation-box p.citation-text {
    font-style: italic;
}

.citation-box .divider {
    border-top: 1px solid var(--border-color);
    margin: 1.25rem 0;
}

.citation-box a {
    color: var(--source-color);
    text-decoration: none;
}

.citation-box a:hover {
    text-decoration: underline;
}