*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  font-size: 125%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading);
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr;
}

::selection {
  background: var(--color-selection-bg);
}

:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  &:focus {
    left: 1rem;
    top: 1rem;
    z-index: 10;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 0.5rem 1rem;
  }
}

.wrapper {
  width: min(var(--measure), 100% - 2.5rem);
  margin-inline: auto;
}
@media (min-width: 1400px) {
  :root {
    --measure: 80ch;
  }
}

header.site-header {
  border-bottom: 1px solid var(--color-border);
}
.site-header .wrapper {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.25rem 1.5rem;
  padding-block: 1.1rem;
}
.site-title {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.site-title a {
  color: inherit;
  text-decoration: none;
  border-bottom: none;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
}
.site-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  border-bottom: 1px dotted transparent;
  padding-bottom: 1px;
}
.site-nav a:hover {
  color: var(--color-text);
  border-bottom-color: color-mix(in oklab, var(--color-text) 55%, transparent);
}
.site-nav a[aria-current="page"] {
  color: var(--color-text);
  font-weight: 700;
  border-bottom-style: solid;
  border-bottom-color: var(--color-border);
}

.theme-toggle {
  font: inherit;
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  padding-bottom: 1px;
}
.theme-toggle:hover {
  color: var(--color-text);
}
/* Theme toggle icon visibility */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}
.icon {
  display: block;
}
.icon-moon {
  display: none;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .icon-sun {
    display: none;
  }
  :root:not([data-theme="light"]) .icon-moon {
    display: block;
  }
}
:root[data-theme="dark"] .icon-sun {
  display: none;
}
:root[data-theme="dark"] .icon-moon {
  display: block;
}

main {
  padding-block: var(--space) calc(var(--space) * 2.5);
}

a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dotted transparent;
}
a:hover {
  border-bottom-color: color-mix(in oklab, var(--color-text) 55%, transparent);
}
.prose a {
  color: var(--color-accent);
}
.prose a:hover {
  border-bottom-color: color-mix(
    in oklab,
    var(--color-accent) 65%,
    transparent
  );
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: calc(var(--space) * 0.5);
}
.page-subtitle {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space);
}
.page-subtitle a {
  color: var(--color-accent);
}

.intro {
  margin-bottom: calc(var(--space) * 1.25);
  color: var(--color-text);
}

.section-end {
  margin-top: var(--space);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}
.section-end a {
  color: var(--color-accent);
}

.post-list {
  list-style: none;
}
.post-list a.post-row {
  display: block;
  padding-block: 0.5rem;
  border-bottom: none;
  font-size: 1.0625rem;
  color: inherit;
}
.post-list a.post-row:hover span {
  text-decoration: underline dotted;
  text-decoration-color: color-mix(
    in oklab,
    var(--color-text) 55%,
    transparent
  );
  text-underline-offset: 0.25em;
}
.post-list time {
  font-family: var(--font-mono);
  font-size: 0.84375rem;
  color: var(--color-text-muted);
  white-space: nowrap; /* stops a break after the hyphen in 2026-09-13 */
  margin-inline-end: 1.25em;
}
@media (max-width: 20em) {
  .post-list time {
    display: block;
    margin-inline-end: 0;
  }
}

.post-header {
  margin-bottom: calc(var(--space) * 1.25);
}
.post-header h1 {
  font-size: 1.625rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
}
.post-meta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
  line-height: 1.6;
  overflow-wrap: break-word;
}
.post-meta .sep {
  margin-inline: 0.75em;
  color: var(--color-border);
}
.post-meta.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1em;
  margin-top: 0.25rem;
}
.post-meta a,
.post-meta time {
  color: inherit;
}
.post-meta a {
  color: var(--color-accent);
}
.post-meta a:hover {
  color: var(--color-accent);
}

.prose > * + * {
  margin-top: var(--space);
}
.prose h1,
.prose h2,
.prose h3,
.prose h4,
.prose h5 {
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.35;
  margin-top: calc(var(--space) * 1.5);
}
.prose h1 {
  font-size: 1.375rem;
}
.prose h2 {
  font-size: 1.25rem;
}
.prose h3 {
  font-size: 1.125rem;
}
.prose h4 {
  font-size: 1rem;
}
.prose ul,
.prose ol {
  margin-left: 1.5em;
}
.prose li + li {
  margin-top: 0.35em;
}
.prose hr {
  border: none;
  border-top: 1px solid var(--color-border);
}
.prose img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  border-radius: 0.375rem;
}
.prose figure img + figcaption {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
  text-align: center;
}
.prose blockquote {
  border-left: 3px solid var(--color-accent);
  background: var(--color-bg-secondary);
  padding: calc(var(--space) * 0.4) 1.25rem;
  font-style: italic;
  color: var(--color-text-muted);
  border-radius: 0 0.375rem 0.375rem 0;
}
.prose blockquote > * + * {
  margin-top: calc(var(--space) * 0.5);
}
.prose pre {
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.6;
  box-shadow: 0 1px 2px 0 var(--color-border);
}
.prose pre code {
  font-family: var(--font-mono);
}
.prose :not(pre) > code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-accent-soft);
  border-radius: 0.25em;
  padding: 0.1em 0.35em;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}
.prose th,
.prose td {
  border: 1px solid var(--color-border);
  padding: 0.4em 0.8em;
  text-align: left;
}
.prose th {
  background: var(--color-bg-secondary);
}

.tag-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  font-family: var(--font-mono);
}
.tag-cloud-count {
  color: var(--color-text-muted);
  font-size: 0.8125rem;
}

.post-footer {
  margin-top: calc(var(--space) * 2);
  padding-top: var(--space);
  border-top: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}
.back-link {
  color: var(--color-accent);
}
.back-link:hover {
  border-bottom-color: color-mix(
    in oklab,
    var(--color-accent) 65%,
    transparent
  );
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.footnotes {
  margin-top: calc(var(--space) * 1.5);
  padding-top: calc(var(--space) * 0.5);
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}
.footnotes ol {
  margin-left: 1.5em;
}
.footnotes li + li {
  margin-top: 0.35em;
}
.footnote-ref {
  color: var(--color-accent);
  border-bottom: none;
  font-weight: 700;
}
.footnote-backref {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: none;
  margin-left: 0.25em;
}
/* goldmark adds an <hr> inside .footnotes; the border-top above already does that job */
.footnotes hr {
  display: none;
}

@media print {
  body {
    background: #fff;
    color: #000;
  }
  .site-header,
  .theme-toggle,
  .post-footer {
    display: none;
  }
}