/* Reading-focused adjustments on top of the Furo theme. */

html {
  scroll-padding-top: 1rem;
}

body {
  font-kerning: normal;
  overflow-wrap: anywhere;
}

.content {
  line-height: 1.9;
}

.article-container {
  max-width: 50rem;
}

.content h1,
.content h2,
.content h3,
.content h4 {
  line-height: 1.45;
  scroll-margin-top: 1rem;
}

.content h1 {
  font-size: clamp(1.8rem, 4vw, 2.45rem);
  letter-spacing: 0.01em;
}

.content h2 {
  border-bottom: 1px solid var(--color-background-border);
  margin-top: 2.6em;
  padding-bottom: 0.3em;
}

.content h3 {
  margin-top: 2.2em;
}

.content p,
.content li,
.content dd {
  max-width: 46rem;
}

.content a {
  text-underline-offset: 0.16em;
  text-decoration-thickness: 0.08em;
}

.content :focus-visible {
  outline: 3px solid var(--color-brand-content);
  outline-offset: 3px;
}

.highlight,
.literal-block-wrapper {
  margin-block: 1.4rem;
}

.highlight pre,
pre.literal-block {
  line-height: 1.6;
  overflow-x: auto;
  tab-size: 4;
}

/*
 * Docutils' ``include: code`` option emits descriptive Pygments class names,
 * while Sphinx's regular code blocks use abbreviated ones.  Mirror the
 * configured Friendly palette here so included source files are highlighted
 * consistently without changing the authoring format.
 */
pre.code.literal-block {
  --code-comment: #436f78;
  --code-keyword: #007020;
  --code-operator: #595959;
  --code-number: #286d49;
  --code-string: #356388;
  --code-builtin: #007020;
  --code-class: #0b719a;
  --code-constant: #176b8d;
  --code-decorator: #555;
  --code-function: #06287e;
  --code-variable: #9a45b1;
}

pre.code.literal-block .comment {
  color: var(--code-comment);
  font-style: italic;
}

pre.code.literal-block .keyword {
  color: var(--code-keyword);
  font-weight: 700;
}

pre.code.literal-block .operator {
  color: var(--code-operator);
}

pre.code.literal-block .literal.number {
  color: var(--code-number);
}

pre.code.literal-block .literal.string {
  color: var(--code-string);
}

pre.code.literal-block .name.builtin,
pre.code.literal-block .name.exception {
  color: var(--code-builtin);
}

pre.code.literal-block .name.class,
pre.code.literal-block .name.namespace {
  color: var(--code-class);
  font-weight: 700;
}

pre.code.literal-block .name.constant {
  color: var(--code-constant);
}

pre.code.literal-block .name.decorator {
  color: var(--code-decorator);
  font-weight: 700;
}

pre.code.literal-block .name.function {
  color: var(--code-function);
}

pre.code.literal-block .name.variable {
  color: var(--code-variable);
}

@media not print {
  body[data-theme="dark"] pre.code.literal-block {
    --code-comment: #aaa58c;
    --code-keyword: #66d9ef;
    --code-operator: #ff4689;
    --code-number: #ae81ff;
    --code-string: #e6db74;
    --code-builtin: #f8f8f2;
    --code-class: #a6e22e;
    --code-constant: #66d9ef;
    --code-decorator: #a6e22e;
    --code-function: #a6e22e;
    --code-variable: #f8f8f2;
  }
}

@media (prefers-color-scheme: dark) {
  body:not([data-theme="light"]) pre.code.literal-block {
    --code-comment: #aaa58c;
    --code-keyword: #66d9ef;
    --code-operator: #ff4689;
    --code-number: #ae81ff;
    --code-string: #e6db74;
    --code-builtin: #f8f8f2;
    --code-class: #a6e22e;
    --code-constant: #66d9ef;
    --code-decorator: #a6e22e;
    --code-function: #a6e22e;
    --code-variable: #f8f8f2;
  }
}

.math-wrapper,
div.math {
  overflow-x: auto;
  padding-block: 0.2rem;
}

.content figure,
.content .figure {
  margin: 2rem 0;
  overflow-x: auto;
  text-align: center;
}

.content figure img,
.content .figure img {
  display: block;
  height: auto;
  margin-inline: auto;
  max-width: 100%;
}

.content figcaption,
.content .caption {
  font-size: 0.92rem;
  margin: 0.7rem auto 0;
  max-width: 42rem;
  text-align: left;
}

.content table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
}

.content th,
.content td {
  min-width: 6rem;
  vertical-align: top;
}

.content .citation-list,
.content .footnote-list {
  font-size: 0.92rem;
}

.toctree-wrapper.compound {
  margin-block: 1.25rem 2rem;
}

article .toctree-wrapper > .caption {
  display: none;
}

.sidebar-tree .caption {
  letter-spacing: 0.02em;
  text-transform: none;
}

@media (max-width: 46rem) {
  .content {
    line-height: 1.82;
  }

  .content h1 {
    font-size: 1.85rem;
  }

  .content h2 {
    margin-top: 2.2em;
  }

  .highlight pre,
  pre.literal-block {
    font-size: 0.86rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}