:root {
  font-family: system-ui, sans-serif;
  line-height: 1.6;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  padding: 1rem;

  display: grid;
  gap: 2rem;
  grid-template-areas:
    "header"
    "posts"
    "main"
    "footer";
}

body > header {
  grid-area: header;
}

body > nav[aria-label="Posts"] {
  grid-area: posts;
}

main {
  grid-area: main;
  min-width: 0;
}

body > footer {
  grid-area: footer;
}

@media (min-width: 60rem) {
  body {
    padding: 2rem;
    grid-template-columns: 16rem 1fr;
    grid-template-areas:
      "header header"
      "posts  main"
      "footer footer";
  }

  body > nav[aria-label="Posts"] {
    position: sticky;
    top: 2rem;
    align-self: start;

    max-height: calc(100vh - 4rem);
    overflow-y: auto;
  }
}

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

p {
  text-wrap: pretty;
}

hgroup p {
  margin: 0;
}

address {
  font-style: normal;
}

a {
  color: LinkText;
  text-underline-offset: 0.2em;
}

a:visited {
  color: VisitedText;
}

a:hover,
a:focus-visible {
  background-color: LinkText;
  color: Canvas;
}

a:visited:hover,
a:visited:focus-visible {
  background-color: VisitedText;
}

nav ul,
nav ol {
  list-style: none;
  padding: 0;
  margin: 0;
}

header nav ul,
footer nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

nav ol li + li {
  margin-top: 0.5rem;
}

nav ol time {
  display: block;
  font-size: 0.875em;
}

article > * {
  max-width: 70ch;
}

article + article {
  margin-top: 4rem;
}

article:target {
  outline: 2px solid currentColor;
  outline-offset: 1rem;
}

pre {
  overflow-x: auto;
  padding: 1rem;
  background: color-mix(in srgb, CanvasText 6%, Canvas);
}

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

figure {
  margin-inline: 0;
}

.table-scroll {
  overflow-x: auto;
}

main > section {
  max-width: 50rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid color-mix(in srgb, CanvasText 20%, Canvas);
}

main > section > h3 {
  margin-top: 0;
}

table {
  border-collapse: collapse;
  table-layout: fixed;
  width: 100%;
  min-width: 20rem;
  max-width: 50rem;
}

th,
td {
  padding: 0.25rem 1rem 0.25rem 0;
  text-align: left;
  vertical-align: top;
}

thead th {
  border-bottom: 2px solid color-mix(in srgb, CanvasText 35%, Canvas);
}

thead th:nth-child(1) {
  width: 35%;
}

thead th:nth-child(2) {
  width: 25%;
}

tbody tr:nth-child(even) {
  background: color-mix(in srgb, CanvasText 5%, Canvas);
}

td time {
  font-variant-numeric: tabular-nums;
}

dt {
  margin-top: 1.25rem;
  font-weight: bold;
}

dt:target {
  outline: 2px solid currentColor;
  outline-offset: 0.25rem;
}

dd {
  margin-inline-start: 0;
}

dd > :first-child {
  margin-top: 0.25rem;
}

.skip-link {
  position: absolute;
  left: -999rem;
}

a.skip-link:focus {
  left: 1rem;
  top: 1rem;
  padding: 0.5rem 1rem;

  background: Canvas;
  color: CanvasText;
}

@media print {
  nav,
  .skip-link {
    display: none;
  }

  a[href^="http"]::after {
    content: " (" attr(href) ")";
  }
}