@font-face{
  font-family: Literata;
  src: url("/fonts/Literata-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face{
  font-family: Literata;
  src: url("/fonts/Literata-Italic.woff2") format("woff2");
  font-style: italic;
  font-weight: 400;
  font-display: swap;
}

@font-face{
  font-family: "JetBrains Custom";
  src: url("/fonts/JetBrainsCustom-Thin.woff2") format("woff2");
  font-style: normal;
  font-weight: 100;
  font-display: swap;
}

@font-face{
  font-family: "JetBrains Custom";
  src: url("/fonts/JetBrainsCustom-ThinItalic.woff2") format("woff2");
  font-style: italic;
  font-weight: 100;
  font-display: swap;
}

@font-face{
  font-family: "JetBrains Custom";
  src: url("/fonts/JetBrainsCustom-ExtraLight.woff2") format("woff2");
  font-style: normal;
  font-weight: 200;
  font-display: swap;
}

@font-face{
  font-family: "JetBrains Custom";
  src: url("/fonts/JetBrainsCustom-ExtraLightItalic.woff2") format("woff2");
  font-style: italic;
  font-weight: 200;
  font-display: swap;
}

@font-face{
  font-family: "JetBrains Custom";
  src: url("/fonts/JetBrainsCustom-Light.woff2") format("woff2");
  font-style: normal;
  font-weight: 300;
  font-display: swap;
}

@font-face{
  font-family: "JetBrains Custom";
  src: url("/fonts/JetBrainsCustom-LightItalic.woff2") format("woff2");
  font-style: italic;
  font-weight: 300;
  font-display: swap;
}

@font-face{
  font-family: "JetBrains Custom";
  src: url("/fonts/JetBrainsCustom-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face{
  font-family: "JetBrains Custom";
  src: url("/fonts/JetBrainsCustom-Italic.woff2") format("woff2");
  font-style: italic;
  font-weight: 400;
  font-display: swap;
}

@font-face{
  font-family: "JetBrains Custom";
  src: url("/fonts/JetBrainsCustom-Medium.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face{
  font-family: "JetBrains Custom";
  src: url("/fonts/JetBrainsCustom-MediumItalic.woff2") format("woff2");
  font-style: italic;
  font-weight: 500;
  font-display: swap;
}

@font-face{
  font-family: "JetBrains Custom";
  src: url("/fonts/JetBrainsCustom-SemiBold.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face{
  font-family: "JetBrains Custom";
  src: url("/fonts/JetBrainsCustom-SemiBoldItalic.woff2") format("woff2");
  font-style: italic;
  font-weight: 600;
  font-display: swap;
}

@font-face{
  font-family: "JetBrains Custom";
  src: url("/fonts/JetBrainsCustom-Bold.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face{
  font-family: "JetBrains Custom";
  src: url("/fonts/JetBrainsCustom-BoldItalic.woff2") format("woff2");
  font-style: italic;
  font-weight: 700;
  font-display: swap;
}

@font-face{
  font-family: "JetBrains Custom";
  src: url("/fonts/JetBrainsCustom-ExtraBold.woff2") format("woff2");
  font-style: normal;
  font-weight: 800;
  font-display: swap;
}

@font-face{
  font-family: "JetBrains Custom";
  src: url("/fonts/JetBrainsCustom-ExtraBoldItalic.woff2") format("woff2");
  font-style: italic;
  font-weight: 800;
  font-display: swap;
}

:root {
  --font-serif: Literata, Georgia, serif;
  --font-sans: system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Custom", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --bg: #000;
  --fg: #fff;
  --rule: rgba(255, 255, 255, 0.25);
  --pre-bg: #0f0f0f;
  --pre-border: rgba(255, 255, 255, 0.12);

  --max-width: 1400px;
  --main-col: 55%;
  --list-col: 50%;
  --list-pad: 5%;

  --margin-col-width: 40%;
  --margin-col-shift: -45%;

  --bp: 760px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fff;
    --fg: #111;
    --rule: rgba(0, 0, 0, 0.2);
    --pre-bg: #f6f6f2;
    --pre-border: rgba(0, 0, 0, 0.08);
  }
}

html { font-size: 15px; }

body {
  width: 87.5%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: 12.5%;

  font-family: var(--font-serif);
  background: var(--bg);
  color: var(--fg);

  counter-reset: sidenote-counter;
}

article { padding: 5rem 0; }

section {
  padding: 1rem 0;
  counter-reset: md-h1;
  position: relative; /* needed for .toc-anchor positioning */
}

p, dl, ol, ul {
  font-size: 1.4rem;
  line-height: 2rem;
}

p {
  margin: 1.4rem 0;
  padding-right: 0;
  vertical-align: baseline;
}

a:link,
a:visited {
  color: inherit;
  text-underline-offset: 0.1em;
  text-decoration-thickness: 0.05em;
}

img { max-width: 100%; }

.danger { color: red; }

h1 {
  font-weight: 400;
  margin: 4rem 0 1.5rem;
  font-size: 3.2rem;
  line-height: 1;
}

h2 {
  font-style: italic;
  font-weight: 400;
  margin: 2.1rem 0 1.4rem;
  font-size: 2.2rem;
  line-height: 1;
}

h3 {
  font-style: italic;
  font-weight: 400;
  margin: 2rem 0 1.4rem;
  font-size: 1.7rem;
  line-height: 1;
}

p.subtitle {
  display: block;
  font-style: italic;
  margin: 1rem 0;
  font-size: 1.8rem;
  line-height: 1;
}

hr {
  height: 1px;
  width: var(--main-col);
  border: 0;
  border-top: 1px solid #ccc;
  margin: 1em 0;
  padding: 0;
}

section > p,
section > footer,
section > table,
section > h2 {
  width: var(--main-col);
}

section > dl,
section > ol,
section > ul {
  width: var(--list-col);
  padding-inline-start: var(--list-pad);
  -webkit-padding-start: var(--list-pad); /* fallback for older WebKit */
}

dt:not(:first-child),
li:not(:first-child) {
  margin-top: 0.25rem;
}

blockquote { font-size: 1.4rem; }

blockquote p {
  width: var(--main-col);
  margin-right: 40px;
}

blockquote footer {
  width: var(--main-col);
  font-size: 1.1rem;
  text-align: right;
}

div.epigraph { margin: 5em 0; }

div.epigraph > blockquote { margin: 3em 0; }

div.epigraph > blockquote,
div.epigraph > blockquote > p { font-style: italic; }

div.epigraph > blockquote > footer { font-style: normal; }

div.epigraph > blockquote > footer > cite { font-style: italic; }

figure {
  max-width: var(--main-col);
  margin: 0 0 3em 0;
}

figcaption {
  float: right;
  clear: right;
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.6;
  position: relative;
  max-width: 40%;
}

figure.fullwidth figcaption { margin-right: 24%; }

.fullwidth {
  max-width: 90%;
  clear: both;
}

div.fullwidth,
table.fullwidth { width: 100%; }

div.table-wrapper {
  overflow-x: auto;
  font-family: "Trebuchet MS", "Gill Sans", "Gill Sans MT", sans-serif;
}

.sidenote,
.marginnote,
nav.toc {
  float: right;
  clear: right;
  width: var(--margin-col-width);
  margin-right: var(--margin-col-shift);

  font-size: 1.1rem;
  line-height: 1.3;
  vertical-align: baseline;
  position: relative;
}

.sidenote-number { counter-increment: sidenote-counter; }

.sidenote-number::after,
.sidenote::before {
  position: relative;
  vertical-align: baseline;
  font-size: 1rem;
  top: -0.5rem;
}

.sidenote-number::after {
  content: counter(sidenote-counter);
  left: 0.1rem;
}

.sidenote::before {
  content: counter(sidenote-counter) " ";
}

blockquote .sidenote,
blockquote .marginnote {
  margin-right: -60%;
  min-width: 50%;
  text-align: left;
}

.sidenote p,
.marginnote p {
  margin-top: 0;
  margin-bottom: 0.6rem;
}

.sidenote p:last-child,
.marginnote p:last-child { margin-bottom: 0; }

.sidenote pre,
.marginnote pre {
  width: 100%;
  margin: 0.6rem 0;
}

input.margin-toggle { display: none; }

label.sidenote-number {
  display: inline-block;
  max-height: 2rem;
}

label.margin-toggle:not(.sidenote-number) { display: none; }

code,
pre > code {
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.42;
  -webkit-text-size-adjust: 100%;
}

.sans {
  font-family: var(--font-sans);
  letter-spacing: 0.03em;
}

.sans > code { font-size: 1.2rem; }

h1 > code,
h2 > code,
h3 > code { font-size: 0.8em; }

.marginnote > code,
.sidenote > code { font-size: 1rem; }

pre {
  width: var(--main-col);
  margin: 1.4rem 0;
  padding: 1rem 1.2rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;

  border-radius: 6px;
  background: var(--pre-bg);
  border: 1px solid var(--pre-border);

  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.42;
}

pre > code {
  display: block;
  margin: 0;
  padding: 0;
  background: transparent;
  width: auto;
}

pre.fullwidth > code { width: 90%; }

span.newthought {
  font-variant: small-caps;
  font-size: 1.2em;
}

p.meta {
  width: var(--main-col);
  font-size: 1.1rem;
  line-height: 1.6rem;
  opacity: 0.8;
  margin: 0.6rem 0 1.6rem;
}

.tag {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  font-size: 1rem;
  margin-right: 0.3rem;
  opacity: 0.9;
}

.meta-sep {
  padding: 0 0.35rem;
  opacity: 0.6;
}

section > h2 {
  counter-increment: md-h1;
  position: relative;
}

section > h2::before {
  content: counter(md-h1, decimal-leading-zero) "\00a0\2014\00a0";
  display: inline-block;

  width: 6rem;
  margin-left: -6rem;
  padding-right: 1rem;

  text-align: right;
  opacity: 0.75;

  font-style: normal;
  font-variant-numeric: tabular-nums;
}

nav.toc {
  opacity: 0.95;
  margin-top: 0;
  top: 2rem;
}

nav.toc .toc-title {
  margin: 0 0 0.6rem 0;
  font-style: normal;
  font-weight: 600;
}

nav.toc ol {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

nav.toc li { margin: 0.25rem 0; }

nav.toc a {
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

nav.toc a:hover { text-decoration: underline; }

nav.toc .toc-num {
  font-variant-numeric: tabular-nums;
  opacity: 0.75;
  min-width: 3.4rem;
  text-align: right;
  flex: 0 0 auto;
}

nav.toc .toc-text { flex: 0 1 auto; }

nav.toc .toc-leader {
  flex: 1 1 auto;
  border-bottom: 1px dotted var(--rule);
  transform: translateY(-0.25em);
}

nav.toc ol.toc-sub { margin: 0.35rem 0 0.25rem 1.2rem; }

nav.toc {
  max-height: 30rem;
  overflow: auto;
}

.toc-anchor {
  width: var(--main-col);
  min-height: 12rem; /* reserve space to prevent small CLS when TOC loads */

  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;

  padding-top: 4rem;
  pointer-events: none;
}

.toc-anchor > nav.toc { pointer-events: auto; }

section > h1,
section > p.subtitle,
section > p.meta {
  width: var(--main-col);
}

@media (max-width: 760px) {
  body {
    width: 84%;
    padding-left: 8%;
    padding-right: 8%;
  }

  hr,
  section > p,
  section > footer,
  section > table,
  section > h2,
  p.meta {
    width: 100%;
  }

  section > dl,
  section > ol,
  section > ul { width: 90%; }

  pre { width: 100%; }

  figure { max-width: 90%; }

  figcaption,
  figure.fullwidth figcaption {
    margin-right: 0;
    max-width: none;
  }

  blockquote {
    margin-left: 1.5em;
    margin-right: 0;
  }

  blockquote p,
  blockquote footer { width: 100%; }

  label.margin-toggle:not(.sidenote-number) { display: inline; }

  .sidenote,
  .marginnote { display: none; }

  .margin-toggle:checked + .sidenote,
  .margin-toggle:checked + .marginnote {
    display: block;
    float: left;
    left: 1rem;
    clear: both;
    width: 95%;
    margin: 1rem 2.5%;
    position: relative;
  }

  label { cursor: pointer; }

  div.table-wrapper,
  table { width: 85%; }

  img { width: 100%; }

  .sidenote {
    width: 100%;
  }

  section > h2::before {
    width: auto;
    margin-left: 0;
    padding-right: 0.6rem;
    text-align: left;
  }

  .toc-anchor {
    position: static;
    width: 100%;
    padding-top: 0;
    pointer-events: auto;
  }

  nav.toc {
    float: none;
    clear: both;
    margin-right: 0;
    width: 100%;
    max-height: none;
    overflow: visible;
    margin: 1.4rem 0;
    position: static;
    top: auto;
  }
}

.iframe-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  padding-top: 25px;
  height: 0;
}

.iframe-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;

}
figure {
    /* 2rem top, 0 left/right, 4rem bottom */
    margin:0 0 2rem 0; 
    text-align: center;
}

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

figcaption {
    float: none; 
    max-width: 100%;
    margin-top: 1em;
    font-size: 1em;
    color: var(--text-light, #666);
    font-style: italic;
}

.sidenote {
  font-size: 0.92rem;
  line-height: 1.35;
  letter-spacing: 0.01em;
  hyphens: auto;
  overflow-wrap: break-word;
  text-wrap: pretty;
  box-sizing: border-box;
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
}

.sidenote-quote {
  display: block;
  margin: 0.65rem 0;
}

.sidenote-quote .s {
  display: block;
  margin: 0.5rem 0 0;
  padding-left: 0.75rem;
  border-left: 2px solid currentColor;

  font-size: 0.88rem;
  line-height: 1.45;

  hyphens: auto;
  overflow-wrap: break-word;
}

.sidenote-cite::before {
  content: "— ";
}

.sidenote img {
  display: block;
  width: 100%;
  max-height: 12rem;
  object-fit: cover;
  margin: 0.35rem 0 0.55rem;
}

.sidenote figcaption,
.sidenote .caption {
  font-size: 0.88rem;
  line-height: 1.3;
  opacity: 0.8;
  margin: 0;
}

hr.ornament {
  border: 0;
  height: 1px;
  width: var(--main-col);
  margin: 2.2rem 0;

  background: linear-gradient(
    to right,
    transparent,
    var(--rule),
    transparent
  );

  position: relative;
}

hr.ornament::after {
  /* set per-divider via data-ornament, default to an asterism */
  content: attr(data-ornament);
  display: inline-block;

  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -55%);

  padding: 0 0.9rem;
  background: var(--bg);

  color: var(--fg);
  opacity: 0.85;

  font-size: 1.25rem;
  line-height: 1;

  /* ensure a symbol font fallback if Literata lacks a glyph */
  font-family: var(--font-serif), "Segoe UI Symbol", "Apple Symbols", serif;

  /* optional: nicer spacing for multi-glyph ornaments */
  letter-spacing: 0.25em;
}

/* Inline KaTeX */
@font-face{font-display:swap;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/katex/fonts-subset/KaTeX_AMS-Regular.woff2) format("woff2"),url(/assets/katex/fonts/KaTeX_AMS-Regular.woff) format("woff"),url(/assets/katex/fonts/KaTeX_AMS-Regular.ttf) format("truetype")}@font-face{font-display:swap;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/katex/fonts/KaTeX_Caligraphic-Bold.woff2) format("woff2"),url(/assets/katex/fonts/KaTeX_Caligraphic-Bold.woff) format("woff"),url(/assets/katex/fonts/KaTeX_Caligraphic-Bold.ttf) format("truetype")}@font-face{font-display:swap;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/katex/fonts/KaTeX_Caligraphic-Regular.woff2) format("woff2"),url(/assets/katex/fonts/KaTeX_Caligraphic-Regular.woff) format("woff"),url(/assets/katex/fonts/KaTeX_Caligraphic-Regular.ttf) format("truetype")}@font-face{font-display:swap;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/katex/fonts/KaTeX_Fraktur-Bold.woff2) format("woff2"),url(/assets/katex/fonts/KaTeX_Fraktur-Bold.woff) format("woff"),url(/assets/katex/fonts/KaTeX_Fraktur-Bold.ttf) format("truetype")}@font-face{font-display:swap;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/katex/fonts/KaTeX_Fraktur-Regular.woff2) format("woff2"),url(/assets/katex/fonts/KaTeX_Fraktur-Regular.woff) format("woff"),url(/assets/katex/fonts/KaTeX_Fraktur-Regular.ttf) format("truetype")}@font-face{font-display:swap;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/katex/fonts/KaTeX_Main-Bold.woff2) format("woff2"),url(/assets/katex/fonts/KaTeX_Main-Bold.woff) format("woff"),url(/assets/katex/fonts/KaTeX_Main-Bold.ttf) format("truetype")}@font-face{font-display:swap;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/katex/fonts/KaTeX_Main-BoldItalic.woff2) format("woff2"),url(/assets/katex/fonts/KaTeX_Main-BoldItalic.woff) format("woff"),url(/assets/katex/fonts/KaTeX_Main-BoldItalic.ttf) format("truetype")}@font-face{font-display:swap;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/katex/fonts/KaTeX_Main-Italic.woff2) format("woff2"),url(/assets/katex/fonts/KaTeX_Main-Italic.woff) format("woff"),url(/assets/katex/fonts/KaTeX_Main-Italic.ttf) format("truetype")}@font-face{font-display:swap;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/katex/fonts-subset/KaTeX_Main-Regular.woff2) format("woff2"),url(/assets/katex/fonts/KaTeX_Main-Regular.woff) format("woff"),url(/assets/katex/fonts/KaTeX_Main-Regular.ttf) 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