:root { --bg: #f7f6f2; --fg: #1f2a30; --muted: #5b6b73; --accent: #2f6f8f; --card: #ffffff; --line: #e3e0d8; }
@media (prefers-color-scheme: dark) { :root { --bg: #12181b; --fg: #e6ecef; --muted: #9aabb3; --accent: #7fb8d4; --card: #1a2226; --line: #2a353a; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 Georgia, "Times New Roman", serif; }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }
header { display: flex; justify-content: space-between; align-items: baseline; padding-top: 28px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.brand { font-size: 22px; font-weight: bold; color: var(--fg); text-decoration: none; }
nav a { margin-left: 18px; color: var(--muted); text-decoration: none; font-family: system-ui, sans-serif; font-size: 15px; }
nav a:hover, a:hover { color: var(--accent); }
.lede { color: var(--muted); font-style: italic; margin: 28px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px 22px; margin: 18px 0; }
.card h2 { margin: 4px 0 8px; font-size: 21px; line-height: 1.3; }
.card h2 a, article h1 { color: var(--fg); text-decoration: none; }
time { color: var(--muted); font-family: system-ui, sans-serif; font-size: 13px; letter-spacing: .02em; }
article.post { margin: 28px 0; }
footer { color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); margin-top: 40px; padding-bottom: 40px; }
a { color: var(--accent); }