:root {
  color-scheme: light dark;
  --muted-text: color-mix(in srgb, CanvasText 72%, Canvas);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: Canvas;
  color: CanvasText;
}

a {
  color: LinkText;
  text-underline-offset: .16em;
  text-decoration-thickness: .08em;
}

a:hover { text-decoration-thickness: .14em; }

a:focus-visible,
.skip-link:focus {
  outline: .18rem solid Highlight;
  outline-offset: .2rem;
}

.skip-link {
  position: absolute;
  left: .75rem;
  top: -6rem;
  z-index: 10;
  padding: .65rem .8rem;
  background: Canvas;
  color: CanvasText;
  border: 1px solid GrayText;
}

.skip-link:focus { top: .75rem; }

.site-header,
.site-footer {
  width: min(100% - 2rem, 48rem);
  margin-inline: auto;
  padding-block: 1.25rem;
}

.site-header {
  border-bottom: 1px solid color-mix(in srgb, CanvasText 18%, transparent);
}

.site-header a {
  color: CanvasText;
  font-weight: 700;
  text-decoration: none;
}

.reading-column {
  width: min(100% - 2rem, 48rem);
  margin-inline: auto;
  padding-block: clamp(2rem, 6vw, 5rem);
}

h1,
h2,
h3 {
  line-height: 1.18;
  text-wrap: balance;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.2rem, 8vw, 4.6rem);
  letter-spacing: -.035em;
}

h2 {
  margin-top: 2.6rem;
  font-size: clamp(1.45rem, 4vw, 2rem);
}

h3 { margin-top: 2rem; }

p,
li { max-width: 72ch; }

.lead {
  max-width: 55ch;
  font-size: clamp(1.15rem, 2.5vw, 1.35rem);
}

.index-entry {
  padding-block: 1.25rem;
  border-top: 1px solid color-mix(in srgb, CanvasText 14%, transparent);
}

.index-entry h2 { margin: 0 0 .35rem; }

.date,
.article-meta {
  color: var(--muted-text);
  font-size: .92rem;
}

article img,
article video,
article iframe {
  max-width: 100%;
  height: auto;
}

pre {
  overflow-x: auto;
  padding: 1rem;
  border: 1px solid color-mix(in srgb, CanvasText 18%, transparent);
  border-radius: .35rem;
}

code,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

:not(pre) > code {
  padding: .08em .28em;
  border: 1px solid color-mix(in srgb, CanvasText 15%, transparent);
  border-radius: .25rem;
}

blockquote {
  margin-inline: 0;
  padding-left: 1rem;
  border-left: .2rem solid color-mix(in srgb, CanvasText 38%, transparent);
}

article table {
  width: 100%;
  margin-block: 1.5rem;
  border-collapse: collapse;
  font-size: .95rem;
}

article th,
article td {
  padding: .65rem .75rem;
  border: 1px solid color-mix(in srgb, CanvasText 20%, transparent);
  text-align: left;
  vertical-align: top;
}

article th {
  background: color-mix(in srgb, CanvasText 7%, Canvas);
  font-weight: 700;
}

article tbody tr:nth-child(even) {
  background: color-mix(in srgb, CanvasText 3%, Canvas);
}

hr {
  border: 0;
  border-top: 1px solid color-mix(in srgb, CanvasText 18%, transparent);
  margin-block: 3rem;
}

.footnotes {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid color-mix(in srgb, CanvasText 18%, transparent);
  font-size: .92rem;
}

.article-meta {
  margin-top: 3.5rem;
  padding-top: 1rem;
  border-top: 1px solid color-mix(in srgb, CanvasText 18%, transparent);
}

.site-footer {
  border-top: 1px solid color-mix(in srgb, CanvasText 18%, transparent);
  color: var(--muted-text);
  font-size: .9rem;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media (max-width: 42rem) {
  article table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

@media print {
  .skip-link,
  .site-header,
  .site-footer { display: none; }

  .reading-column {
    width: 100%;
    padding: 0;
  }

  a { color: inherit; }
}