:root {
  --bg: #fffffe;
  --ink: #111;
  --ink-soft: #222;
  --rule: #ddd;
  --code-bg: #f6f6f6;
  --link: #0645ad;
  --visited: #0b0080;
  --maxw: 68ch;
}
* { box-sizing: border-box; }
html, body { background: var(--bg); color: var(--ink-soft); }
body {
  margin: 0;
  padding: 0 1rem 4rem 1rem;
  font: 16px/1.65 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
}
header, main, footer { max-width: 720px; margin: 0 auto; }
header { padding: 2rem 0 1rem; }
.site-title { color: var(--ink); font-weight: 700; font-size: 1.35rem; margin: 0 0 .25rem; }
.tagline { margin: 0; font-size: .95rem; color: var(--ink-soft); }
nav { margin: 1rem 0 1.25rem; font-size: .95rem; }
nav a { color: var(--link); text-decoration: none; }
nav a:hover { text-decoration: underline; }
nav .sep { color: #aaa; padding: 0 .4rem; }

h1, h2, h3 { color: var(--ink); line-height: 1.25; }
h1 { font-size: 1.4rem; margin: 1.5rem 0 .5rem; }
h2 { font-size: 1.15rem; margin: 1.25rem 0 .5rem; }
p { margin: 0 0 1rem; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 1.5rem 0; }

ul { padding-left: 1.25rem; }
li + li { margin-top: .35rem; }

a { color: var(--link); }
a:visited { color: var(--visited); }

.postlist { list-style: none; padding: 0; margin: .5rem 0; }
.postlist li { padding: .4rem 0; border-bottom: 1px dotted var(--rule); }
.postlist li:last-child { border-bottom: 0; }
.postlist .meta { font-size: .85rem; color: #777; }

pre, code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; }
pre { background: var(--code-bg); padding: .75rem; overflow-x: auto; border: 1px solid var(--rule); }

footer { font-size: .9rem; color: #666; margin-top: 2rem; }

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

@media (max-width: 420px) {
  header, main, footer { max-width: 92vw; }
  body { padding: 0 .75rem 3rem .75rem; }
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0f10;
    --ink: #f2f2f2;
    --ink-soft: #ddd;
    --rule: #333;
    --code-bg: #111;
    --link: #93b7ff;
    --visited: #b9a6ff;
  }
  html, body { background: var(--bg); color: var(--ink-soft); }
}

/* Print */
@media print {
  nav, footer { display: none; }
  a[href]:after { content: " (" attr(href) ")"; font-size: .9em; }
  body { color: #000; background: #fff; }
}