:root {
    --bg: #f7f4ef;
    --text: #1c1916;
    --muted: #5c5346;
    --line: #e4ddd3;
    --card: #fffdf9;
    --accent: #8a7355;
    --shadow: 0 18px 40px rgba(48, 36, 22, 0.06);
}

[data-theme="dark"] {
    --bg: #141210;
    --text: #f4efe8;
    --muted: #b7ab9d;
    --line: #2c2823;
    --card: #1d1a17;
    --accent: #c4a574;
    --shadow: none;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Iowan Old Style", Palatino, "Palatino Linotype", "Songti SC", "Noto Serif SC", Georgia, serif;
    font-size: 1.125rem;
    line-height: 1.8;
}

a { color: inherit; }

img { max-width: 100%; height: auto; display: block; }

.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    z-index: 20;
    background: transparent;
}

.reading-progress span {
    display: block;
    height: 100%;
    width: 0;
    background: var(--accent);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
}

.site-header__inner,
.site-main,
.site-footer {
    width: min(1120px, calc(100% - 2rem));
    margin: 0 auto;
}

.site-header__inner {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    min-height: 4.25rem;
}

.site-title {
    text-decoration: none;
    font-size: 1.25rem;
    letter-spacing: 0.04em;
}

.site-nav { margin-left: auto; }

.site-nav ul {
    display: flex;
    gap: 1.25rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-nav a { text-decoration: none; font-size: 0.95rem; }

.theme-toggle {
    border: 1px solid var(--line);
    background: transparent;
    color: var(--text);
    border-radius: 999px;
    padding: 0.25rem 0.8rem;
    font: inherit;
    font-size: 0.85rem;
    cursor: pointer;
}

.site-main { padding: 2.5rem 0 4rem; }

.magazine {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
}

.card--feature { grid-column: 1 / -1; }

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.card__link { display: block; color: inherit; text-decoration: none; }

.card__media { display: block; aspect-ratio: 16 / 9; overflow: hidden; }

.card__media img { width: 100%; height: 100%; object-fit: cover; }

.card--feature .card__media { aspect-ratio: 2.2 / 1; }

.card__body { display: block; padding: 1.25rem 1.35rem 1.4rem; }

.card time,
.entry__meta {
    color: var(--muted);
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.card h2,
.entry h1,
.related h2,
.archive-head h1 {
    font-weight: 500;
    letter-spacing: -0.02em;
    line-height: 1.25;
}

.card h2 { margin: 0.35rem 0 0.4rem; font-size: 1.45rem; }

.card p { margin: 0; color: var(--muted); font-size: 1rem; }

.entry { max-width: 42rem; margin: 0 auto; }

.entry__header h1 { margin: 0.4rem 0 1.2rem; font-size: clamp(2rem, 4vw, 3.1rem); }

.entry__cover { margin: 0 0 2rem; }

.entry__cover img { width: 100%; border-radius: 16px; }

.entry__content { font-size: 1.15rem; }

.entry__content > * { margin: 0 0 1.15rem; }

.entry__content h2,
.entry__content h3 { line-height: 1.3; font-weight: 500; margin-top: 2rem; }

.toc {
    margin: 0 0 2rem;
    padding: 1rem 1.15rem;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--card);
}

.toc p { margin: 0 0 0.4rem; color: var(--muted); font-size: 0.82rem; letter-spacing: 0.08em; }

.toc ol { margin: 0; padding-left: 1.2rem; }

.toc a { text-decoration: none; }

.toc__sub { margin-left: 0.8rem; }

.author-card {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
}

.author-card img { border-radius: 50%; }

.author-card p { margin: 0.15rem 0 0; color: var(--muted); font-size: 1rem; }

.related { margin-top: 3.5rem; }

.related h2 { font-size: 1.4rem; }

.magazine--related { margin-top: 1rem; }

.archive-head { margin-bottom: 1.5rem; }

.archive-head h1 { margin: 0; font-size: 2rem; }

.site-footer {
    padding: 1.5rem 0 2.5rem;
    color: var(--muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--line);
}

.nav-links,
.pagination {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    margin-top: 2rem;
}

@media (max-width: 760px) {
    .magazine,
    .magazine--related { grid-template-columns: 1fr; }
    .site-header__inner { flex-wrap: wrap; padding: 0.75rem 0; }
    .site-nav { order: 3; width: 100%; margin-left: 0; }
    .site-nav ul { gap: 0.9rem; flex-wrap: wrap; }
    .card--feature .card__media { aspect-ratio: 4 / 3; }
}