:root {
    --bg: #fff;
    --fg: #222;
    --muted: #666;
    --accent: #5a3e8a;
    --card-bg: #f5f5f5;
    --border: #ddd;
    --nav-bg: #fafafa;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #111;
        --fg: #e0e0e0;
        --muted: #999;
        --accent: #b388ff;
        --card-bg: #1a1a1a;
        --border: #333;
        --nav-bg: #0a0a0a;
    }
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--fg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

nav {
    background: var(--nav-bg);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

nav a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

nav a:hover {
    text-decoration: underline;
}

main {
    flex: 1;
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

header {
    text-align: center;
    padding: 3rem 0;
}

header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

header p {
    color: var(--muted);
    font-size: 1.1rem;
}

h2 {
    margin-bottom: 1.5rem;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.card h3 {
    font-size: 1.1rem;
}

.card p {
    color: var(--muted);
    font-size: 0.9rem;
    flex: 1;
}

.card-links {
    display: flex;
    gap: 1rem;
}

.card-links a,
.card a {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
}

.card-links a:hover,
.card a:hover {
    text-decoration: underline;
}

.card-year {
    color: var(--muted);
    font-size: 0.8rem;
}

article {
    max-width: 700px;
}

article h1 {
    margin-bottom: 0.25rem;
}

article time {
    display: block;
    color: var(--muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

article p {
    margin-bottom: 1rem;
}

article a {
    color: var(--accent);
}

main > a {
    display: inline-block;
    margin-top: 2rem;
    color: var(--accent);
    text-decoration: none;
}

main > a:hover {
    text-decoration: underline;
}

footer {
    border-top: 1px solid var(--border);
    padding: 1.5rem;
    text-align: center;
    color: var(--muted);
    font-size: 0.85rem;
}

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

footer a:hover {
    text-decoration: underline;
}