:root {
    --bg: #ffffff;
    --text: #1a1a1a;
    --light-grey: #f4f4f4;
    --accent: #555555;
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-serif: "Georgia", serif;
}

body {
    font-family: var(--font-main);
    color: var(--text);
    line-height: 1.7;
    margin: 0;
    padding: 0;
    background-color: var(--bg);
}

.container {
    max-width: 650px;
    margin: 0 auto;
    padding: 40px 20px;
}

header {
    margin-bottom: 60px;
}

h1, h2, h3 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: 2.2rem; margin-bottom: 10px; }
h1 a { text-decoration: none; color: var(--text); }

nav {
    margin-bottom: 40px;
    border-bottom: 1px solid var(--light-grey);
    padding-bottom: 10px;
}

nav a {
    margin-right: 20px;
    text-decoration: none;
    color: var(--accent);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

nav a:hover { color: #000; }

.content-section { margin-bottom: 50px; }
.meta { font-size: 0.85rem; color: #888; margin-bottom: 20px; }

ul { list-style: none; padding: 0; }
ul li { margin-bottom: 12px; }
ul li a { color: var(--text); text-decoration: underline; text-decoration-color: #ccc; }
ul li a:hover { text-decoration-color: var(--text); }

blockquote {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.2rem;
    margin: 30px 0;
    padding-left: 20px;
    border-left: 3px solid var(--text);
}

.book-grid { margin-top: 20px; }
.book-category { font-weight: bold; margin-top: 30px; display: block; text-transform: uppercase; font-size: 0.8rem; letter-spacing: 1px; color: var(--accent); }

@media (max-width: 600px) {
    .container { padding: 20px; }
    h1 { font-size: 1.8rem; }
}