:root {
  color-scheme: light;
  --paper: #fdfdfc;
  --ink: #111111;
  --ink-2: rgba(0, 0, 0, 0.62);
  --ink-3: rgba(0, 0, 0, 0.4);
  --ink-4: rgba(0, 0, 0, 0.24);
  --rule: rgba(0, 0, 0, 0.1);
  --rule-soft: rgba(0, 0, 0, 0.06);
  --code-bg: #f8f8f7;
  --code-head: #f2f2f0;
  --inline-code-bg: #f2f2f0;
  --selection: #ededed;
  --link-line: #d9d9d9;
  --link-line-hover: #666666;
  --warn: #b45309;
  --focus: #4c8dff;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-serif: "Newsreader", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --font-mono: "SF Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, "Liberation Mono", monospace;
  --measure: 36.375rem;
  --wide: 47.5rem;
  --ease: cubic-bezier(0.19, 1, 0.22, 1);
}

[data-theme="dark"] {
  color-scheme: dark;
  --paper: #0f0f0e;
  --ink: #e9e7e2;
  --ink-2: rgba(255, 255, 255, 0.63);
  --ink-3: rgba(255, 255, 255, 0.42);
  --ink-4: rgba(255, 255, 255, 0.24);
  --rule: rgba(255, 255, 255, 0.14);
  --rule-soft: rgba(255, 255, 255, 0.08);
  --code-bg: #171716;
  --code-head: #1c1c1a;
  --inline-code-bg: #232320;
  --selection: #2c2c29;
  --link-line: #3a3a37;
  --link-line-hover: #8d8d86;
  --warn: #d08a3e;
}

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

html {
  background: var(--paper);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 460;
  line-height: 1.5;
  letter-spacing: -0.00563rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "cv11", "ss01";
}

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

a {
  color: inherit;
  text-decoration: none;
}

img,
svg,
video {
  max-width: 100%;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 2px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 1rem;
  z-index: 100;
  background: var(--ink);
  color: var(--paper);
  padding: 0.5rem 0.8rem;
  border-radius: 4px;
  font-size: 0.8125rem;
}

.skip:focus {
  left: 1rem;
}

.layout {
  position: relative;
  min-height: 100vh;
}

.shell {
  width: 100%;
  max-width: var(--measure);
  margin: 0 auto;
  padding: 5rem 1rem 3rem;
}

.shell--wide {
  max-width: 40rem;
}

.shell--simple {
  max-width: 32rem;
  padding-top: 7rem;
}

.mobile-head {
  display: none;
}

.rail {
  display: none;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.875rem;
  font-weight: 560;
  letter-spacing: -0.011em;
  line-height: 1;
}

.wordmark::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 1px;
  background: var(--ink);
}

.toc-title {
  margin: 0 0 0.8rem;
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-3);
}

.toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.toc a {
  position: relative;
  display: block;
  padding-left: 0.7rem;
  font-size: 0.8125rem;
  line-height: 1.25;
  letter-spacing: -0.0025rem;
  color: var(--ink-3);
  transition: color 0.12s ease;
}

.toc a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.3em;
  bottom: 0.3em;
  width: 1px;
  background: currentColor;
  opacity: 0;
  transition: opacity 0.12s ease;
}

.toc a:hover {
  color: var(--ink-2);
}

.toc a.is-active {
  color: var(--ink);
}

.toc a.is-active::before {
  opacity: 1;
}

.toc .toc-h2 a {
  padding-left: 1.45rem;
  font-size: 0.78125rem;
}

.rail-actions {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.75rem;
  letter-spacing: -0.0025rem;
  color: var(--ink-3);
}

.rail-actions a {
  transition: color 0.12s ease;
}

.rail-actions a:hover {
  color: var(--ink);
}

.rail-actions .rail-label {
  margin-bottom: 0.35rem;
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-3);
}

@media (min-width: 1121px) {
  .rail {
    display: flex;
    flex-direction: column;
    gap: 2.25rem;
    position: fixed;
    top: 5rem;
    left: 5rem;
    width: 10.5rem;
  }
}

@media (max-width: 1120px) {
  .shell {
    padding: 4.5rem 1.5rem 2.5rem;
  }

  .mobile-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2.5rem;
  }
}

@media (max-width: 600px) {
  .shell {
    padding: 3.75rem 1.25rem 2.5rem;
  }

  .shell--simple {
    padding-top: 5.5rem;
  }
}

.theme-toggle {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 40;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--ink-3);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  box-shadow: 0 0 0 1px var(--rule-soft);
  backdrop-filter: blur(8px);
  transition: color 0.15s ease, box-shadow 0.15s ease;
}

.theme-toggle:hover {
  color: var(--ink);
  box-shadow: 0 0 0 1px var(--rule);
}

.theme-toggle svg {
  width: 15px;
  height: 15px;
}

.theme-toggle .icon-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: block;
}

.article-header {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin: 0 0 2.35rem;
}

.article-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 560;
  line-height: 1.2;
  letter-spacing: -0.026em;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.3;
  letter-spacing: 0;
  color: var(--ink-3);
}

.article-meta .dot {
  opacity: 0.65;
}

.article-meta .badge {
  display: inline-flex;
  align-items: center;
  padding: 0.08rem 0.35rem;
  border-radius: 3px;
  box-shadow: inset 0 0 0 1px var(--rule);
  font-size: 0.6875rem;
  color: var(--ink-2);
}

.article-meta a {
  box-shadow: inset 0 -1px 0 var(--link-line);
}

.article-meta a:hover {
  box-shadow: inset 0 -1px 0 var(--link-line-hover);
}

.prose {
  font-size: 0.875rem;
  font-weight: 460;
  line-height: 1.5;
  letter-spacing: -0.00563rem;
}

.prose > p {
  margin: 1rem 0 0;
}

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

.prose h1,
.prose h2,
.prose h3,
.prose h4 {
  margin: 0;
  scroll-margin-top: 2rem;
}

.prose h1 {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.018rem;
}

.prose h2 {
  margin-top: 2.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule-soft);
  font-size: 1.125rem;
  font-weight: 560;
  line-height: 1.3;
  letter-spacing: -0.012rem;
}

.prose h3 {
  margin-top: 2.25rem;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.008rem;
}

.prose h4 {
  margin-top: 1.75rem;
  font-size: 0.9375rem;
  font-weight: 560;
  color: var(--ink-2);
}

.prose h1 + p,
.prose h2 + p,
.prose h3 + p,
.prose h4 + p,
.prose h1 + ul,
.prose h2 + ul,
.prose h3 + ul,
.prose h1 + ol,
.prose h2 + ol,
.prose h3 + ol {
  margin-top: 0.8rem;
}

.prose strong {
  font-weight: 600;
}

.prose em {
  font-style: italic;
}

.prose a {
  box-shadow: inset 0 -1px 0 var(--link-line);
  transition: box-shadow 0.15s ease;
}

.prose a:hover {
  box-shadow: inset 0 -1px 0 var(--link-line-hover);
}

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

.prose ul,
.prose ol {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

.prose ul {
  list-style: disc;
}

.prose ul ul {
  list-style: circle;
}

.prose li {
  margin: 0.32rem 0;
  padding-left: 0.15rem;
}

.prose li::marker {
  color: var(--ink-4);
}

.prose ol li::marker {
  color: var(--ink-3);
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
}

.prose li > ul,
.prose li > ol {
  margin-top: 0.3rem;
}

.prose li > p {
  margin: 0.5rem 0 0;
}

.prose .task-list-item {
  list-style: none;
}

.prose .task-list-item input {
  margin: 0 0.45rem 0 -1.2rem;
  vertical-align: -1px;
  accent-color: var(--ink);
}

.prose blockquote {
  margin: 2rem 0;
  padding: 0.2rem 0 0.2rem 1.25rem;
  border-left: 1px solid var(--rule);
  color: var(--ink-2);
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-style: italic;
  line-height: 1.45;
  letter-spacing: 0;
}

.prose blockquote p {
  margin: 0.4rem 0 0;
}

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

.prose code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  letter-spacing: 0;
  background: var(--inline-code-bg);
  padding: 0.12em 0.32em;
  border-radius: 3px;
  color: var(--ink);
}

.prose sup {
  display: inline-block;
  padding-left: 0.2em;
  font-size: 0.6em;
  line-height: 1;
  color: var(--ink-3);
}

.code-figure {
  margin: 1.75rem 0;
  overflow: hidden;
  border-radius: 0.5rem;
  border: 1px solid var(--rule-soft);
  background: var(--code-bg);
}

.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.42rem 0.8rem 0.4rem 1rem;
  border-bottom: 1px solid var(--rule-soft);
  background: var(--code-head);
}

.code-lang {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.01em;
  color: var(--ink-3);
}

.copy-code {
  font-size: 0.6875rem;
  letter-spacing: 0.01em;
  color: var(--ink-3);
  transition: color 0.12s ease;
}

.copy-code:hover {
  color: var(--ink);
}

.code-figure pre {
  margin: 0;
  padding: 0.9rem 1rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--ink);
  background: transparent;
  -webkit-overflow-scrolling: touch;
}

.code-figure pre code {
  font-family: inherit;
  font-size: inherit;
  letter-spacing: 0;
  background: none;
  padding: 0;
  border-radius: 0;
  color: inherit;
}

.hljs-comment,
.hljs-quote {
  color: #6e7781;
  font-style: italic;
}

.hljs-keyword,
.hljs-selector-tag,
.hljs-doctag,
.hljs-name {
  color: #cf222e;
}

.hljs-string,
.hljs-regexp,
.hljs-attr,
.hljs-template-variable {
  color: #0a3069;
}

.hljs-number,
.hljs-literal,
.hljs-built_in,
.hljs-type,
.hljs-symbol {
  color: #0550ae;
}

.hljs-title,
.hljs-section,
.hljs-title.function_ {
  color: #8250df;
}

.hljs-variable,
.hljs-params,
.hljs-attribute {
  color: #953800;
}

.hljs-meta,
.hljs-tag {
  color: #57606a;
}

.hljs-addition {
  color: #116329;
  background: #dafbe1;
}

.hljs-deletion {
  color: #82071e;
  background: #ffebe9;
}

.hljs-emphasis {
  font-style: italic;
}

.hljs-strong {
  font-weight: 600;
}

[data-theme="dark"] .hljs-comment,
[data-theme="dark"] .hljs-quote {
  color: #8b949e;
}

[data-theme="dark"] .hljs-keyword,
[data-theme="dark"] .hljs-selector-tag,
[data-theme="dark"] .hljs-doctag,
[data-theme="dark"] .hljs-name {
  color: #ff7b72;
}

[data-theme="dark"] .hljs-string,
[data-theme="dark"] .hljs-regexp,
[data-theme="dark"] .hljs-attr,
[data-theme="dark"] .hljs-template-variable {
  color: #a5d6ff;
}

[data-theme="dark"] .hljs-number,
[data-theme="dark"] .hljs-literal,
[data-theme="dark"] .hljs-built_in,
[data-theme="dark"] .hljs-type,
[data-theme="dark"] .hljs-symbol {
  color: #79c0ff;
}

[data-theme="dark"] .hljs-title,
[data-theme="dark"] .hljs-section,
[data-theme="dark"] .hljs-title.function_ {
  color: #d2a8ff;
}

[data-theme="dark"] .hljs-variable,
[data-theme="dark"] .hljs-params,
[data-theme="dark"] .hljs-attribute {
  color: #ffa657;
}

[data-theme="dark"] .hljs-meta,
[data-theme="dark"] .hljs-tag {
  color: #8b949e;
}

[data-theme="dark"] .hljs-addition {
  color: #aff5b4;
  background: rgba(46, 160, 67, 0.15);
}

[data-theme="dark"] .hljs-deletion {
  color: #ffdcd7;
  background: rgba(248, 81, 73, 0.15);
}

.table-wrap {
  margin: 1.5rem 0 1.75rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
  line-height: 1.35;
  letter-spacing: -0.0025rem;
}

.table-wrap th {
  padding: 0.4rem 0.75rem;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
}

.table-wrap td {
  padding: 0.45rem 0.75rem;
  border-bottom: 1px solid var(--rule-soft);
  vertical-align: top;
  font-weight: 460;
  color: var(--ink-2);
}

.table-wrap th:first-child,
.table-wrap td:first-child {
  padding-left: 0;
  color: var(--ink);
}

.table-wrap th:last-child,
.table-wrap td:last-child {
  padding-right: 0;
}

.table-wrap tbody tr:last-child td {
  border-bottom: 0;
}

.figure {
  margin: 2.25rem 0 2.75rem;
}

.figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.figure figcaption,
.compare figcaption,
.gallery figcaption {
  margin: 0.9rem auto 0;
  max-width: 52ch;
  font-size: 0.75rem;
  line-height: 1.5;
  letter-spacing: 0;
  text-align: center;
  color: var(--ink-3);
}

.wide {
  width: min(var(--wide), calc(100vw - 3rem));
  margin-left: 50%;
  transform: translateX(-50%);
}

@media (max-width: 700px) {
  .wide {
    width: calc(100vw - 2.5rem);
  }
}

.compare {
  margin: 2.25rem 0 2.75rem;
}

.compare-frame {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  background: var(--code-bg);
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
  --pos: 50%;
}

.compare-img {
  display: block;
  width: 100%;
  height: auto;
  user-select: none;
  -webkit-user-drag: none;
}

.compare-overlay {
  position: absolute;
  inset: 0;
  clip-path: inset(0 0 0 var(--pos));
  will-change: clip-path;
}

.compare-overlay .compare-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.compare-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--pos);
  width: 2px;
  margin-left: -1px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.12);
  cursor: ew-resize;
  touch-action: none;
}

.compare-grip {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 34px;
  height: 34px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18), 0 0 0 1px rgba(0, 0, 0, 0.06);
}

.compare-grip::before,
.compare-grip::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 6px;
  height: 6px;
  border-top: 1.5px solid #111;
  border-left: 1.5px solid #111;
}

.compare-grip::before {
  left: 9px;
  transform: translateY(-50%) rotate(-45deg);
}

.compare-grip::after {
  right: 9px;
  transform: translateY(-50%) rotate(135deg);
}

.compare-label {
  position: absolute;
  top: 0.65rem;
  padding: 0.2rem 0.45rem;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.86);
  color: #111;
  font-size: 0.625rem;
  font-weight: 560;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  pointer-events: none;
  backdrop-filter: blur(4px);
}

.compare-label-before {
  left: 0.65rem;
}

.compare-label-after {
  right: 0.65rem;
}

.compare-handle:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.compare-expand {
  position: absolute;
  right: 0.65rem;
  bottom: 0.65rem;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.86);
  color: #111;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.compare:hover .compare-expand,
.compare-expand:focus-visible {
  opacity: 1;
}

.compare-expand svg {
  width: 13px;
  height: 13px;
}

.compare.is-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 70;
  margin: 0;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--paper);
}

.compare.is-fullscreen .compare-frame {
  height: calc(100vh - 7rem);
  flex: none;
}

.compare.is-fullscreen .compare-before,
.compare.is-fullscreen .compare-overlay {
  position: absolute;
  inset: 0;
}

.compare.is-fullscreen .compare-before,
.compare.is-fullscreen .compare-overlay .compare-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.compare.is-fullscreen .compare-overlay {
  background: transparent;
}

.compare.is-fullscreen figcaption {
  margin-top: 1.1rem;
}

.gallery {
  margin: 2.25rem 0 2.75rem;
}

.gallery-grid {
  display: grid;
  gap: 0.75rem;
  align-items: start;
}

.gallery-grid[data-count="2"] {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.gallery-grid[data-count="3"] {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.gallery-grid[data-count="4"] {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.gallery-item {
  margin: 0;
}

.gallery-item img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.gallery-item figcaption {
  margin-top: 0.55rem;
  font-size: 0.6875rem;
}

@media (max-width: 600px) {
  .gallery-grid[data-count] {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.callout {
  margin: 2rem 0;
  padding-left: 1rem;
  border-left: 2px solid var(--rule);
}

.callout-label {
  margin: 0 0 0.4rem;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-3);
}

.callout-body {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--ink-2);
}

.callout-body p {
  margin: 0.5rem 0 0;
}

.callout-body p:first-child {
  margin-top: 0;
}

.callout-warning {
  border-left-color: var(--warn);
}

.callout-warning .callout-label {
  color: var(--warn);
}

.details {
  margin: 1.75rem 0;
  padding: 0.85rem 0;
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
}

.details summary {
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ink-2);
}

.details-body {
  margin-top: 0.75rem;
}

.math-display {
  margin: 1.75rem 0;
  overflow-x: auto;
  overflow-y: hidden;
}

.math-inline .katex {
  font-size: 1.02em;
}

.figure-mermaid {
  padding: 1.25rem;
  border: 1px solid var(--rule-soft);
  border-radius: 0.5rem;
  background: var(--code-bg);
}

.mermaid {
  display: flex;
  justify-content: center;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-3);
  white-space: pre;
}

.mermaid svg {
  max-width: 100%;
  height: auto;
}

.prose .footnotes {
  margin-top: 3rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--rule);
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--ink-3);
}

.prose .footnotes h2 {
  margin: 0 0 0.6rem;
  padding: 0;
  border: 0;
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-3);
}

.prose .footnotes-sep {
  display: none;
}

.prose .footnotes-list {
  margin: 0;
  padding-left: 1.1rem;
}

.prose .footnotes-list li {
  font-size: 0.75rem;
  margin: 0.35rem 0;
}

.prose .footnote-backref {
  box-shadow: none;
  color: var(--ink-3);
  padding-left: 0.25rem;
}

.article-footer {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 3.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--ink-3);
}

.article-footer p {
  margin: 0;
}

.article-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
}

.article-footer a {
  box-shadow: inset 0 -1px 0 var(--link-line);
}

.article-footer a:hover {
  box-shadow: inset 0 -1px 0 var(--link-line-hover);
}

.file-list {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--rule-soft);
}

.file-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 0.8125rem;
}

.file-list a {
  box-shadow: inset 0 -1px 0 var(--link-line);
}

.file-list .file-size {
  flex: none;
  font-size: 0.6875rem;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}

.hero {
  padding-top: 1rem;
}

.hero h1 {
  margin: 0;
  font-size: 2rem;
  font-weight: 560;
  line-height: 1.15;
  letter-spacing: -0.03em;
  max-width: 36rem;
  text-wrap: balance;
}

.hero .lede {
  margin: 1.1rem 0 0;
  max-width: 32rem;
  font-size: 1.0625rem;
  line-height: 1.55;
  letter-spacing: -0.00563rem;
  color: var(--ink-2);
}

.hero .actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.5rem;
  font-size: 0.875rem;
}

.hero .actions a {
  display: inline-flex;
  align-items: center;
  height: 2rem;
  padding: 0 0.9rem;
  border: 1px solid var(--rule);
  border-radius: 4px;
  box-shadow: none;
}

.hero .actions a:hover {
  border-color: var(--ink-3);
}

.hero .actions a[data-primary] {
  border-color: transparent;
  background: var(--ink);
  color: var(--paper);
}

.hero .actions a[data-primary]:hover {
  opacity: 0.88;
}

.feature-list {
  margin: 3.5rem 0 0;
  border-top: 1px solid var(--rule);
}

.site-footer {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-top: 3.5rem;
  padding: 1.3rem 0 0.5rem;
  border-top: 1px solid var(--rule);
  font-size: 0.75rem;
  color: var(--ink-3);
}

.site-footer p {
  margin: 0;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
}

.site-footer a {
  box-shadow: inset 0 -1px 0 var(--link-line);
}

.site-footer a:hover {
  box-shadow: inset 0 -1px 0 var(--link-line-hover);
}

.feature {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--rule-soft);
}

.feature h2 {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 560;
  letter-spacing: -0.0025rem;
}

.feature p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--ink-2);
}

@media (max-width: 600px) {
  .feature {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }
}

.simple h1 {
  margin: 0 0 0.8rem;
  font-size: 1.25rem;
  font-weight: 560;
  line-height: 1.25;
  letter-spacing: -0.022em;
}

.simple p {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--ink-2);
}

.simple .meta {
  margin-top: 2rem;
  font-size: 0.75rem;
  color: var(--ink-3);
}

.simple .meta a {
  box-shadow: inset 0 -1px 0 var(--link-line);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2.5rem;
  background: rgba(10, 10, 10, 0.93);
  backdrop-filter: blur(6px);
}

.lightbox.is-open {
  display: flex;
}

.lightbox img {
  max-width: 100%;
  max-height: calc(100vh - 8rem);
  width: auto;
  border-radius: 4px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
}

.lightbox-caption {
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  max-width: 60ch;
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.72);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  transition: background 0.15s ease;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-close {
  top: 1rem;
  right: 1rem;
}

.lightbox-prev {
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-close svg,
.lightbox-prev svg,
.lightbox-next svg {
  width: 16px;
  height: 16px;
}

body.no-scroll {
  overflow: hidden;
}

.prose .directive-error {
  margin: 1.5rem 0;
  padding: 0.6rem 0.8rem;
  border-left: 2px solid var(--warn);
  font-size: 0.8125rem;
  color: var(--ink-2);
}

.prose .directive-error p {
  margin: 0;
}

@media (max-width: 600px) {
  .article-title {
    font-size: 1.125rem;
  }

  .compare-label {
    top: 0.45rem;
  }

  .compare-label-before {
    left: 0.45rem;
  }

  .compare-label-after {
    right: 0.45rem;
  }

  .compare-grip {
    width: 30px;
    height: 30px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .rail,
  .theme-toggle,
  .copy-code,
  .compare-expand,
  .lightbox,
  .mobile-head {
    display: none !important;
  }

  .shell {
    max-width: none;
    padding: 0;
  }

  .prose {
    font-size: 10.5pt;
    line-height: 1.5;
  }

  .prose a {
    box-shadow: none;
    text-decoration: underline;
  }

  .compare-overlay {
    clip-path: inset(0 0 0 50%);
  }

  .code-figure,
  .table-wrap,
  .figure,
  .compare {
    break-inside: avoid;
  }
}