:root {
  color-scheme: light dark;
  --sidebar-width: 20rem;
  --page-width: 64rem;
  --background: #fbfaf7;
  --sidebar: #f0eee8;
  --text: #282725;
  --muted: #67645f;
  --border: #d9d5cc;
  --accent: #315b8a;
  --accent-soft: #dce8f3;
  --code-background: #f1efe9;
  --inline-code-background: #ebe8e1;
  --syntax-builtin: #795e26;
  --syntax-comment: #6a737d;
  --syntax-constant: #985f0d;
  --syntax-function: #6f42c1;
  --syntax-keyword: #a626a4;
  --syntax-string: #397300;
  --syntax-type: #005cc5;
  --syntax-variable: #b25000;
  --syntax-warning: #b31d28;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  color: var(--text);
  background: var(--background);
  font: 17px/1.7 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover { text-decoration-thickness: 0.14em; }

#preamble {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  z-index: 2;
}

.source-link {
  display: inline-block;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--background);
  font-size: 0.82rem;
  font-weight: 650;
  text-decoration: none;
}

#content {
  width: min(var(--page-width), calc(100% - var(--sidebar-width)));
  margin-left: var(--sidebar-width);
  padding: 3.5rem 4rem 6rem;
}

.title {
  margin: 0 0 3rem;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

h2, h3, h4, h5 {
  line-height: 1.25;
  scroll-margin-top: 1.5rem;
}

h2 {
  margin: 3.5rem 0 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
  font-size: 1.85rem;
}

h3 {
  margin: 2.75rem 0 0.8rem;
  font-size: 1.4rem;
}

h4 {
  margin-top: 2rem;
  font-size: 1.12rem;
}

p, ul, ol, blockquote, table, .org-src-container { margin-block: 1rem; }
li + li { margin-top: 0.3rem; }

#table-of-contents {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar-width);
  padding: 1.5rem 1.25rem 3rem;
  overflow-y: auto;
  border-right: 1px solid var(--border);
  background: var(--sidebar);
  scrollbar-width: thin;
}

#table-of-contents h2 {
  margin: 0 0 1rem;
  padding: 0;
  border: 0;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

#table-of-contents ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

#table-of-contents ul ul {
  margin: 0.3rem 0 0.8rem 0.65rem;
  padding-left: 0.75rem;
  border-left: 1px solid var(--border);
}

#table-of-contents li + li { margin-top: 0.45rem; }

.has-js #table-of-contents .toc-collapsible {
  display: none;
}

.has-js #table-of-contents .is-expanded > .toc-collapsible {
  display: block;
}

#table-of-contents a {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
  text-decoration: none;
}

#table-of-contents a:hover,
#table-of-contents a:focus-visible { color: var(--accent); }

#table-of-contents .toc-section-link {
  padding-left: 0.55rem;
  border-left: 0.18rem solid var(--accent);
  color: var(--accent);
  font-weight: 650;
  transition: padding-left 120ms ease;
}

#table-of-contents .toc-section-link:hover,
#table-of-contents .toc-section-link:focus-visible {
  padding-left: 0.75rem;
}

code, pre {
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, monospace;
}

code {
  padding: 0.12em 0.32em;
  border-radius: 0.25rem;
  background: var(--inline-code-background);
  font-size: 0.88em;
}

pre.src,
pre.example {
  max-width: 100%;
  padding: 1rem 1.15rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 0.45rem;
  background: var(--code-background);
  font-size: 0.84rem;
  line-height: 1.55;
  tab-size: 2;
}

pre.src code,
pre.example code {
  padding: 0;
  background: transparent;
  font-size: inherit;
}

/* Classes emitted by the vendored htmlize package. */
.org-builtin { color: var(--syntax-builtin); }
.org-comment,
.org-comment-delimiter { color: var(--syntax-comment); font-style: italic; }
.org-constant { color: var(--syntax-constant); }
.org-doc,
.org-string { color: var(--syntax-string); }
.org-function-name { color: var(--syntax-function); }
.org-keyword { color: var(--syntax-keyword); font-weight: 600; }
.org-negation-char,
.org-regexp-grouping-backslash,
.org-regexp-grouping-construct { color: var(--syntax-keyword); }
.org-type { color: var(--syntax-type); }
.org-ul { color: var(--syntax-constant); text-decoration: underline; }
.org-variable-name { color: var(--syntax-variable); }
.org-warning { color: var(--syntax-warning); font-weight: 600; }

blockquote {
  margin-left: 0;
  padding-left: 1.2rem;
  border-left: 0.25rem solid var(--accent-soft);
  color: var(--muted);
}

table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}

th, td {
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--border);
  text-align: left;
}

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

@media (min-width: 104rem) {
  #content {
    margin-left: calc(var(--sidebar-width) + (100vw - var(--sidebar-width) - var(--page-width)) / 2);
  }
}

@media (max-width: 850px) {
  #preamble {
    position: static;
    padding: 1rem 1.25rem 0;
    text-align: right;
  }

  #content {
    width: 100%;
    margin: 0;
    padding: 1.5rem 1.25rem 4rem;
  }

  .title { margin-bottom: 2rem; }

  #table-of-contents {
    position: static;
    width: auto;
    max-height: 55vh;
    margin-bottom: 2.5rem;
    border: 1px solid var(--border);
    border-radius: 0.45rem;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #171817;
    --sidebar: #1e201f;
    --text: #e2e1dc;
    --muted: #aaa9a3;
    --border: #3a3c3a;
    --accent: #86b7e5;
    --accent-soft: #294763;
    --code-background: #202321;
    --inline-code-background: #292c2a;
    --syntax-builtin: #d7ba7d;
    --syntax-comment: #8b949e;
    --syntax-constant: #e3b341;
    --syntax-function: #d2a8ff;
    --syntax-keyword: #ff7b72;
    --syntax-string: #a5d6a7;
    --syntax-type: #79c0ff;
    --syntax-variable: #ffa657;
    --syntax-warning: #ff7b72;
  }
}

@media print {
  #preamble,
  #table-of-contents {
    position: static;
    width: auto;
  }

  #content {
    width: auto;
    max-width: none;
    margin: 0;
    padding: 0;
  }
}