/* minimal, hand-rolled */
:root { --fg: #1a1a1a; --muted: #6a6a6a; --accent: #3a5aa0; --bg: #fafaf7; --code-bg: #f0efe9; }
* { box-sizing: border-box; }
body {
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
  margin: 0;
  padding: 0;
}
.wrap { max-width: 680px; margin: 0 auto; padding: 40px 24px; }
header { border-bottom: 1px solid #e5e3d9; padding-bottom: 16px; margin-bottom: 32px; }
header h1 { margin: 0 0 4px; font-size: 22px; font-weight: 600; }
header p { margin: 0; color: var(--muted); font-size: 14px; }
nav a { color: var(--accent); text-decoration: none; margin-right: 12px; font-size: 14px; }
nav a:hover { text-decoration: underline; }
article { margin-bottom: 40px; }
article h2 { font-size: 19px; margin: 0 0 6px; }
article h2 a { color: var(--fg); text-decoration: none; }
article h2 a:hover { color: var(--accent); }
article .meta { color: var(--muted); font-size: 13px; margin-bottom: 10px; }
article p.summary { margin: 0 0 12px; }
pre, code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 14px; }
pre { background: var(--code-bg); padding: 12px 14px; border-radius: 4px; overflow-x: auto; }
code { background: var(--code-bg); padding: 1px 4px; border-radius: 3px; }
pre code { background: transparent; padding: 0; }
h3 { font-size: 16px; margin-top: 28px; }
ul, ol { padding-left: 22px; }
blockquote { border-left: 3px solid #d8d5c8; padding-left: 14px; color: var(--muted); margin: 16px 0; }
footer { border-top: 1px solid #e5e3d9; margin-top: 48px; padding-top: 16px; color: var(--muted); font-size: 13px; }
.back { display: inline-block; margin-bottom: 20px; font-size: 14px; }