:root {
  color-scheme: light dark;
  --bg: #fdfcf9;
  --fg: #1d1d1b;
  --muted: #6b6b66;
  --link: #1f4fa3;
  --rule: #deddd6;
  --quote: #f3f1ea;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161615;
    --fg: #e8e6e1;
    --muted: #9a9892;
    --link: #8cb4ff;
    --rule: #34332f;
    --quote: #1f1f1d;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
  font-size: 1.1875rem;
  line-height: 1.65;
  overflow-wrap: break-word;
}

main {
  max-width: 38rem;
  margin: 0 auto;
  padding: 3.5rem 16px 5rem;
}

h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; }
h1 { font-size: 1.75rem; margin: 0 0 1.25rem; }
h2 { font-size: 1.25rem; margin: 2.75rem 0 0.75rem; }
h3 { font-size: 1.0625rem; margin: 2rem 0 0.5rem; }

p, ul, ol, blockquote, table { margin: 0 0 1.1rem; }

a { color: var(--link); text-underline-offset: 0.15em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }

ul, ol { padding-left: 1.4rem; }
li { margin: 0.3rem 0; }

hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5rem 0; }

blockquote {
  margin-left: 0;
  margin-right: 0;
  padding: 0.75rem 1rem;
  background: var(--quote);
  border-left: 3px solid var(--rule);
}
blockquote > :last-child { margin-bottom: 0; }

code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.88em; }
pre { overflow-x: auto; padding: 0.75rem 1rem; background: var(--quote); font-size: 0.9rem; line-height: 1.5; }
pre code { font-size: inherit; }

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

/* A wide table scrolls inside itself instead of widening the page. */
table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 0.95rem;
  line-height: 1.45;
}
th, td { text-align: left; vertical-align: top; padding: 0.35rem 0.9rem 0.35rem 0; border-bottom: 1px solid var(--rule); }
th { font-weight: 700; }

.project p { margin-bottom: 0.9rem; }

.essays { list-style: none; padding-left: 0; }
p.contact { margin-top: 2.75rem; }
.date { color: var(--muted); font-variant-numeric: tabular-nums; }
.essays .date { display: inline-block; min-width: 6.5em; }

nav { margin-bottom: 2.5rem; }
article > h1 { margin-bottom: 0.25rem; }
article > p.date { margin-bottom: 2rem; }
footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--rule); }

@media (max-width: 480px) {
  body { font-size: 1.0625rem; }
  main { padding-top: 2rem; }
  h1 { font-size: 1.5rem; }
  .essays .date { display: block; min-width: 0; font-size: 0.9rem; }
}