:root {
  color-scheme: light dark;
  --background: #f8fafc;
  --surface: #ffffff;
  --text: #18263a;
  --muted: #526177;
  --link: #1557a0;
  --border: #cbd5e1;
  --accent: #edf4fc;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

* {
  box-sizing: border-box;
}

html {
  scroll-padding-top: 1.5rem;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
}

a {
  color: var(--link);
  text-underline-offset: 0.2em;
  overflow-wrap: anywhere;
}

a:hover {
  text-decoration-thickness: 0.15em;
}

:focus-visible {
  outline: 0.2rem solid var(--link);
  outline-offset: 0.25rem;
}

.container {
  width: min(100% - 2rem, 70rem);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: -5rem;
  left: 1rem;
  z-index: 1;
  padding: 0.75rem 1rem;
  background: var(--surface);
}

.skip-link:focus {
  top: 1rem;
}

.site-header,
.site-footer {
  background: var(--surface);
}

.site-header {
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-block: 1.25rem;
}

.brand {
  color: var(--text);
  font-size: 1.4rem;
  font-weight: 750;
  text-decoration: none;
}

nav a {
  display: inline-block;
  padding-block: 0.35rem;
}

.header-inner nav,
.site-footer nav,
.share nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

main {
  min-height: 60vh;
  padding-block: 1.25rem 3.5rem;
}

.breadcrumbs {
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: 0.875rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0;
  list-style: none;
}

.breadcrumbs li + li::before {
  content: "/";
  padding-inline: 0.35rem;
  color: var(--muted);
}

.page {
  max-width: 48rem;
  margin-inline: auto;
}

.page-header {
  margin-block: 1.5rem 2rem;
}

h1,
h2,
h3 {
  line-height: 1.25;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

h1 {
  margin-block: 0 1rem;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.025em;
}

h2 {
  margin-top: 2.5rem;
  font-size: 1.5rem;
}

h3 {
  margin-top: 1.75rem;
  font-size: 1.125rem;
}

.byline,
.muted {
  color: var(--muted);
  font-size: 0.9rem;
}

.toc,
.cluster-links,
.share,
blockquote {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background: var(--surface);
}

.toc > h2,
.cluster-links > h2,
.share > h2 {
  margin-top: 0;
  font-size: 1.1rem;
}

.toc ul,
.cluster-links ul {
  padding-left: 1.3rem;
}

.toc ul ul {
  margin-top: 0.25rem;
}

.prose {
  overflow-wrap: anywhere;
}

.prose img,
.prose svg {
  display: block;
  max-width: 100%;
  height: auto;
}

.prose blockquote {
  margin: 1.75rem 0;
  border-left: 0.25rem solid var(--link);
  background: var(--accent);
}

.prose blockquote p:first-child {
  margin-top: 0;
}

.prose blockquote ul:last-child {
  margin-bottom: 0;
}

.prose li + li {
  margin-top: 0.5rem;
}

code {
  padding: 0.1rem 0.25rem;
  border-radius: 0.2rem;
  background: var(--accent);
}

pre {
  max-width: 100%;
  overflow-x: auto;
}

.card-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
}

.card {
  min-width: 0;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background: var(--surface);
}

.card h2 {
  margin-top: 0;
}

.card p {
  color: var(--muted);
}

.cluster-links,
.share {
  margin-top: 2rem;
}

.share nav a {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.35rem;
}

.copy-link {
  padding: 0.75rem;
  background: var(--accent);
}

.copy-link:target {
  outline: 0.15rem solid var(--link);
  outline-offset: 0.2rem;
}

.copy-address {
  display: block;
  user-select: all;
}

.site-footer {
  padding-block: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
}

@media (min-width: 48rem) {
  .header-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  main {
    padding-top: 2rem;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #101924;
    --surface: #182535;
    --text: #e5edf7;
    --muted: #b4c2d5;
    --link: #91c5ff;
    --border: #40556c;
    --accent: #203449;
  }
}