/**
 * MI Template - Base Styles
 * Core typography, layout, and CSS variables
 * Matching mutualinfo.pub design language
 */

/* ===== Milling Font ===== */
@font-face {
  font-family: "Milling";
  src: url("./fonts/MillingTrial-Duplex1mm.otf") format("opentype");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Milling";
  src: url("./fonts/MillingTrial-Triplex1mm.otf") format("opentype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* ===== CSS Variables ===== */
:root {
  /* Colors - Mutual Information Theme */
  --mi-bg: #f7f3ea;             /* warm, paper-like background */
  --mi-ink: #222222;
  --mi-muted: #666666;
  --mi-rule: rgba(0, 0, 0, 0.18);
  --mi-accent: #f0774b;         /* warm accent */

  /* Legacy variable aliases for compatibility */
  --mi-primary: var(--mi-ink);
  --mi-secondary: var(--mi-accent);
  --mi-text: var(--mi-ink);
  --mi-text-light: var(--mi-muted);
  --mi-bg-light: rgba(0, 0, 0, 0.03);
  --mi-border: var(--mi-rule);
  --mi-code-bg: rgba(0, 0, 0, 0.04);
  --mi-link: var(--mi-ink);
  --mi-link-hover: var(--mi-accent);

  /* Typography */
  --mi-font-body: "Milling", -apple-system, BlinkMacSystemFont, Helvetica, Arial, sans-serif;
  --mi-font-heading: "Milling", -apple-system, BlinkMacSystemFont, Helvetica, Arial, sans-serif;
  --mi-font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono",
                  Consolas, monospace;

  /* Font Sizes */
  --mi-text-xs: 0.75rem;    /* 12px */
  --mi-text-sm: 0.875rem;   /* 14px */
  --mi-text-base: 1rem;     /* 16px */
  --mi-text-lg: 1.125rem;   /* 18px */
  --mi-text-xl: 1.25rem;    /* 20px */
  --mi-text-2xl: 1.5rem;    /* 24px */
  --mi-text-3xl: 1.875rem;  /* 30px */
  --mi-text-4xl: 2.25rem;   /* 36px */

  /* Spacing */
  --mi-space-1: 0.25rem;    /* 4px */
  --mi-space-2: 0.5rem;     /* 8px */
  --mi-space-3: 0.75rem;    /* 12px */
  --mi-space-4: 1rem;       /* 16px */
  --mi-space-6: 1.5rem;     /* 24px */
  --mi-space-8: 2rem;       /* 32px */
  --mi-space-12: 3rem;      /* 48px */
  --mi-space-16: 4rem;      /* 64px */

  /* Layout */
  --mi-max-width: 800px;
  --mi-wide-width: 1200px;
  --mi-gutter: var(--mi-space-4);

  /* Border Radius */
  --mi-radius-sm: 3px;
  --mi-radius: 4px;
  --mi-radius-lg: 8px;

  /* Shadows - subtle on warm background */
  --mi-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --mi-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --mi-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --mi-transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base Styles ===== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--mi-font-body);
  font-size: var(--mi-text-base);
  font-weight: 300;
  line-height: 1.7;
  color: var(--mi-ink);
  background: var(--mi-bg);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--mi-font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin: 2em 0 0.6em;
  color: var(--mi-ink);
  letter-spacing: 0.02em;
}

h1 {
  font-size: 2.2rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 0.5em;
  line-height: 1.1;
}

h2 {
  font-size: 1.4rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 2em;
}

h3 {
  font-size: 1.15rem;
  margin-top: 1.6em;
}

h4 {
  font-size: 1rem;
  font-weight: 600;
}

h5, h6 {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

p {
  margin: 0 0 1.1em;
  font-weight: 300;
}

/* Links */
a {
  color: var(--mi-ink);
  text-decoration: none;
  transition: color var(--mi-transition);
}

a:hover {
  color: var(--mi-accent);
  text-decoration: underline;
}

/* Lists */
ul, ol {
  margin: var(--mi-space-4) 0;
  padding-left: var(--mi-space-8);
  font-weight: 300;
}

li {
  margin: var(--mi-space-2) 0;
}

/* Code */
code {
  font-family: var(--mi-font-mono);
  font-size: 0.9em;
  background: var(--mi-code-bg);
  padding: 0.2em 0.4em;
  border-radius: var(--mi-radius-sm);
  font-weight: 400;
}

pre {
  font-family: var(--mi-font-mono);
  font-size: var(--mi-text-sm);
  line-height: 1.6;
  background: var(--mi-code-bg);
  padding: var(--mi-space-4);
  border-radius: var(--mi-radius);
  overflow-x: auto;
  margin: var(--mi-space-6) 0;
  border: 1px solid var(--mi-rule);
}

pre code {
  background: none;
  padding: 0;
}

/* Blockquotes */
blockquote {
  margin: 1.4em 0;
  padding: 0 1.1em;
  border-left: 3px solid var(--mi-rule);
  color: var(--mi-muted);
  font-weight: 300;
}

/* Horizontal Rule */
hr {
  border: none;
  border-top: 1px solid var(--mi-rule);
  margin: var(--mi-space-12) 0;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--mi-space-6) 0;
}

th, td {
  padding: var(--mi-space-3) var(--mi-space-4);
  text-align: left;
  border-bottom: 1px solid var(--mi-rule);
  font-weight: 300;
}

th {
  font-weight: 600;
  color: var(--mi-ink);
  background: var(--mi-bg-light);
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Selection */
::selection {
  background: rgba(240, 119, 75, 0.2);
}

/* ===== Print Styles ===== */
@media print {
  body {
    font-size: 11pt;
    line-height: 1.5;
    color: black;
    background: white;
  }

  a {
    color: black;
    text-decoration: underline;
  }

  h1, h2, h3, h4, h5, h6 {
    page-break-after: avoid;
  }

  p, blockquote, ul, ol {
    page-break-inside: avoid;
  }
}

/* ============================================
   MI Navigation & Footer
   ============================================ */

/* Footer */
.mi-footer {
  border-top: 1px solid var(--mi-rule);
  padding: 10px 0 14px;
  font-size: 0.8rem;
  color: var(--mi-muted);
  background: var(--mi-bg);
}

.mi-footer-inner {
  max-width: var(--mi-max-width, 900px);
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.mi-footer-right a {
  color: var(--mi-muted);
  text-decoration: none;
}

.mi-footer-right a:hover {
  color: var(--mi-ink);
  text-decoration: underline;
}

.mi-footer-dot {
  padding: 0 0.4em;
}

/* Mobile adjustments */
@media (max-width: 720px) {
  .mi-masthead-word {
    font-size: 2.1rem;
    letter-spacing: 0.08em;
  }

  .mi-masthead-logo {
    width: 80px;
    height: 80px;
  }

  .mi-footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
}

/**
 * MI Article Component Styles
 * Main article container with responsive grid layout
 */

mi-article {
  display: block;
  max-width: 100%;
  margin: 0 auto;
  padding: var(--mi-space-4);
}

.mi-article-grid {
  max-width: var(--mi-max-width);
  margin: 0 auto;
}

/* Responsive padding */
@media (min-width: 768px) {
  mi-article {
    padding: var(--mi-space-8);
  }
}

@media (min-width: 1024px) {
  mi-article {
    padding: var(--mi-space-12) var(--mi-space-8);
  }
}

/* Wide layout for figures and code blocks */
@media (min-width: 1200px) {
  .mi-article-grid {
    display: grid;
    grid-template-columns:
      [margin-left] 1fr
      [body-left] var(--mi-max-width)
      [body-right margin-right] 1fr;
    column-gap: var(--mi-space-8);
  }

  .mi-article-grid > * {
    grid-column: body-left / body-right;
  }

  /* Allow figures and code to span wider */
  .mi-article-grid > mi-figure,
  .mi-article-grid > mi-code {
    grid-column: margin-left / margin-right;
  }

  /* Layout utility: wide content */
  .mi-article-grid > .l-page {
    grid-column: margin-left / margin-right;
  }
}

/* ===== Layout Utility Classes ===== */

/* Standard body width (default) */
.l-body {
  max-width: var(--mi-max-width);
  margin-left: auto;
  margin-right: auto;
}

/* Wider than body, but not full page */
.l-middle {
  max-width: calc(var(--mi-max-width) + 200px);
  margin-left: auto;
  margin-right: auto;
}

/* Full page width */
.l-page {
  max-width: var(--mi-wide-width);
  margin-left: auto;
  margin-right: auto;
}

/* Full screen width with padding */
.l-screen {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  padding: 0 var(--mi-space-4);
}

/* Full screen width without padding */
.l-screen-inset {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
}

/* Outset content - slightly wider than body */
.l-outset {
  max-width: calc(var(--mi-max-width) + 100px);
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 1200px) {
  .l-outset {
    margin-left: -50px;
    margin-right: -50px;
    max-width: none;
    width: calc(100% + 100px);
  }
}

/**
 * MI Frontmatter Component Styles
 * Distill-style layout: authors left, affiliations right
 */

mi-frontmatter {
  display: block;
  margin-bottom: var(--mi-space-8);
}

/* Byline wrapper with full-width dividers above and below */
.mi-frontmatter-byline {
  position: relative;
  padding: var(--mi-space-4) 0;
}

.mi-frontmatter-byline::before,
.mi-frontmatter-byline::after {
  content: '';
  display: block;
  position: absolute;
  left: 50%;
  right: 50%;
  width: 100vw;
  margin-left: -50vw;
  margin-right: -50vw;
  border-top: 1px solid var(--mi-rule);
}

.mi-frontmatter-byline::before {
  top: 0;
}

.mi-frontmatter-byline::after {
  bottom: 0;
}

.mi-frontmatter-container {
  max-width: var(--mi-max-width);
  margin: 0 auto;
}

/* Title */
.mi-frontmatter-title {
  font-family: var(--mi-font-heading);
  font-weight: 600;
  font-size: 2.5rem;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 var(--mi-space-6);
  color: var(--mi-ink);
}

/* Subtitle */
.mi-frontmatter-subtitle {
  font-size: var(--mi-text-lg);
  font-weight: 300;
  color: var(--mi-muted);
  margin: 0 0 var(--mi-space-6);
  line-height: 1.5;
}

/* Byline: Three-column grid layout */
.mi-frontmatter-byline {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: var(--mi-space-8);
}

.mi-frontmatter-column {
  display: flex;
  flex-direction: column;
}

.mi-frontmatter-label {
  font-size: var(--mi-text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--mi-muted);
  margin-bottom: var(--mi-space-2);
}

/* Authors */
.mi-frontmatter-authors {
  font-size: var(--mi-text-sm);
  line-height: 1.6;
  font-weight: 300;
}

.mi-frontmatter-author-item {
  margin-bottom: var(--mi-space-1);
}

.mi-frontmatter-author-link {
  color: var(--mi-ink);
  text-decoration: none;
  font-weight: 600;
}

.mi-frontmatter-author-link:hover {
  color: var(--mi-ink);
  text-decoration: none;
}

.mi-frontmatter-author-name {
  font-weight: 600;
  color: var(--mi-ink);
}

/* Affiliations */
.mi-frontmatter-affiliations {
  font-size: var(--mi-text-sm);
  line-height: 1.6;
  font-weight: 600;
}

.mi-frontmatter-affiliation-item {
  margin-bottom: var(--mi-space-1);
}

.mi-frontmatter-affiliation-link {
  color: var(--mi-ink);
  text-decoration: none;
  font-style: normal;
}

.mi-frontmatter-affiliation-link:hover {
  color: var(--mi-ink);
  text-decoration: none;
}


/* Date */
.mi-frontmatter-date {
  font-size: var(--mi-text-sm);
  font-weight: 600;
  color: var(--mi-ink);
}

/* DOI */
.mi-frontmatter-doi {
  font-size: var(--mi-text-xs);
  font-weight: 300;
  margin-top: var(--mi-space-2);
}

.mi-frontmatter-doi a {
  color: var(--mi-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--mi-rule);
}

.mi-frontmatter-doi a:hover {
  color: var(--mi-accent);
  border-bottom-color: var(--mi-accent);
}

/* Mobile: stack columns */
@media (max-width: 640px) {
  .mi-frontmatter-title {
    font-size: 2rem;
    letter-spacing: 0.03em;
  }

  .mi-frontmatter-byline {
    grid-template-columns: 1fr;
    gap: var(--mi-space-4);
  }
}

/**
 * MI Byline Component Styles
 * Author information and metadata display
 */

mi-byline {
  display: block;
  margin: var(--mi-space-6) 0 var(--mi-space-8);
  padding: var(--mi-space-4) 0 var(--mi-space-6);
  border-bottom: 1px solid var(--mi-rule);
}

.mi-byline-container {
  max-width: var(--mi-max-width);
  margin: 0 auto;
}

.mi-byline-authors {
  display: flex;
  flex-wrap: wrap;
  gap: var(--mi-space-6);
  margin-bottom: var(--mi-space-3);
}

.mi-byline-author-item {
  display: flex;
  flex-direction: column;
  gap: var(--mi-space-1);
}

.mi-byline-author {
  font-weight: 600;
  color: var(--mi-ink);
  font-size: var(--mi-text-base);
}

.mi-byline-affiliation {
  font-size: var(--mi-text-sm);
  color: var(--mi-muted);
  font-style: italic;
  font-weight: 300;
}

.mi-byline-date {
  font-size: var(--mi-text-sm);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--mi-muted);
  margin-top: var(--mi-space-2);
  font-weight: 300;
}

.mi-byline-doi,
.mi-byline-url {
  font-size: var(--mi-text-sm);
  margin-top: var(--mi-space-2);
  font-weight: 300;
}

.mi-byline-doi a,
.mi-byline-url a {
  color: var(--mi-ink);
  text-decoration: none;
}

.mi-byline-doi a:hover,
.mi-byline-url a:hover {
  color: var(--mi-accent);
  text-decoration: underline;
}

/* Mobile */
@media (max-width: 640px) {
  .mi-byline-authors {
    flex-direction: column;
    gap: var(--mi-space-4);
  }
}

/**
 * MI Abstract Component Styles
 * Styled abstract section
 */

mi-abstract {
  display: block;
  background: rgba(0, 0, 0, 0.02);
  border-left: 4px solid var(--mi-accent);
  padding: var(--mi-space-6);
  margin: var(--mi-space-4) 0;
  border-radius: var(--mi-radius);
  font-size: var(--mi-text-base);
  line-height: 1.6;
  color: var(--mi-ink);
  font-weight: 300;
}

mi-abstract::before {
  content: "Abstract";
  display: block;
  font-weight: 600;
  font-size: var(--mi-text-sm);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--mi-accent);
  margin-bottom: var(--mi-space-3);
}

mi-abstract p {
  margin: var(--mi-space-3) 0;
  font-weight: 300;
}

mi-abstract p:first-child {
  margin-top: 0;
}

mi-abstract p:last-child {
  margin-bottom: 0;
}

/**
 * MI Math Component Styles
 * LaTeX equation rendering
 */

mi-math {
  display: inline;
}

mi-math.mi-math-block {
  display: block;
  margin: var(--mi-space-4) 0;
  overflow-x: auto;
  overflow-y: hidden;
}

/* Collapse adjacent paragraph margins for symmetric spacing */
p + mi-math.mi-math-block {
  margin-top: calc(-1.1em + var(--mi-space-4));
}

mi-math.mi-math-inline {
  display: inline-block;
  vertical-align: middle;
}

/* Error display */
.mi-math-error {
  color: var(--mi-accent);
  font-family: var(--mi-font-mono);
  font-size: 0.9em;
  background: rgba(231, 76, 60, 0.1);
  padding: 0.2em 0.4em;
  border-radius: var(--mi-radius-sm);
}

/* KaTeX overrides for MI theme */
mi-math .katex {
  font-size: 1.3em;
}

mi-math.mi-math-block .katex-display {
  margin: 0;
}

/**
 * MI Cite Component Styles
 * Citation links and hover cards
 */

mi-cite {
  display: inline;
  color: var(--mi-accent);
  font-weight: 600;
  font-size: 0.75em;
}

.mi-cite-link {
  color: var(--mi-accent);
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--mi-transition);
}

.mi-cite-link:hover {
  color: var(--mi-ink);
}

/* Hover Card */
.mi-cite-hover {
  position: absolute;
  background: var(--mi-bg);
  border: 1px solid var(--mi-rule);
  border-radius: var(--mi-radius);
  padding: var(--mi-space-4);
  max-width: 400px;
  box-shadow: var(--mi-shadow-lg);
  font-size: var(--mi-text-sm);
  line-height: 1.5;
  z-index: 9999;
  font-weight: 300;
}

.mi-cite-number {
  display: inline-block;
  color: var(--mi-accent);
  font-weight: 600;
  margin-bottom: var(--mi-space-2);
}

.mi-cite-title {
  font-weight: 600;
  color: var(--mi-ink);
  margin-bottom: var(--mi-space-2);
  line-height: 1.4;
}

.mi-cite-authors {
  color: var(--mi-ink);
  margin-bottom: var(--mi-space-1);
  font-weight: 300;
}

.mi-cite-venue {
  color: var(--mi-muted);
  font-style: italic;
  margin-bottom: var(--mi-space-3);
  font-weight: 300;
}

.mi-cite-doi,
.mi-cite-url {
  display: inline-block;
  color: var(--mi-accent);
  text-decoration: none;
  font-size: var(--mi-text-xs);
  margin-top: var(--mi-space-2);
}

.mi-cite-doi:hover,
.mi-cite-url:hover {
  text-decoration: underline;
}

/* Bibliography list */
.mi-bibliography-list {
  list-style: decimal;
  padding-left: 1.5em;
  margin: 0;
}

.mi-bibliography-item {
  margin: 1em 0;
  padding-left: 0.25em;
  font-weight: 300;
  line-height: 1.6;
}

.mi-bibliography-item .mi-bibliography-title {
  font-weight: 300;
  color: var(--mi-ink);
  font-size: var(--mi-text-base);
}

.mi-bibliography-link {
  color: var(--mi-accent);
  text-decoration: none;
  margin-left: 0.25em;
  font-size: 0.9em;
}

.mi-bibliography-link:hover {
  text-decoration: underline;
}

.mi-bibliography-authors {
  color: var(--mi-ink);
  font-weight: 300;
}

/**
 * MI Footnote Component Styles
 * Traditional footnotes at bottom of document
 */

/* Inline footnote reference (superscript number) */
mi-fn {
  display: inline;
}

.mi-fn-ref {
  font-size: 0.75em;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
  top: -0.5em;
}

.mi-fn-ref a {
  color: var(--mi-accent);
  text-decoration: none;
  font-weight: 600;
  padding: 0 0.1em;
}

.mi-fn-ref a:hover {
  text-decoration: underline;
}

/* Footnotes list */
.mi-footnotes-list {
  list-style: decimal;
  padding-left: 1.5em;
  margin: 0;
}

.mi-footnote-item {
  margin: 0.5em 0;
  padding-left: 0.25em;
  font-weight: 300;
  line-height: 1.5;
}

.mi-footnote-content {
  color: var(--mi-muted);
}

.mi-footnote-backlink {
  color: var(--mi-accent);
  text-decoration: none;
  margin-left: 0.5em;
  font-weight: 600;
}

.mi-footnote-backlink:hover {
  text-decoration: underline;
}

/* Make footnote references in footnote content smaller */
.mi-footnotes mi-fn .mi-fn-ref {
  font-size: 0.85em;
}

/* Hover Card */
.mi-fn-hover {
  position: fixed;
  background: var(--mi-bg);
  border: 1px solid var(--mi-rule);
  border-radius: var(--mi-radius);
  padding: var(--mi-space-4);
  max-width: 400px;
  box-shadow: var(--mi-shadow-lg);
  font-size: var(--mi-text-sm);
  line-height: 1.5;
  z-index: 9999;
  font-weight: 300;
}

.mi-fn-hover-number {
  display: inline-block;
  color: var(--mi-accent);
  font-weight: 600;
  margin-bottom: var(--mi-space-2);
}

.mi-fn-hover-content {
  color: var(--mi-ink);
  font-weight: 300;
}

/**
 * MI Figure Component Styles
 * Figure layout with captions
 */

mi-figure {
  display: block;
  margin: 2em 0;
  padding: 20px 0;
  border-top: 1px solid var(--mi-rule);
  border-bottom: 1px solid var(--mi-rule);
  text-align: center;
}

mi-figure img {
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

mi-figure figcaption {
  display: block;
  margin-top: 10px;
  font-size: 0.85rem;
  line-height: 1.3;
  color: var(--mi-muted);
  font-weight: 300;
  text-align: center;
}

.mi-figure-number {
  font-weight: 600;
  color: var(--mi-ink);
}

/* Figure size modifiers */
mi-figure.small img {
  width: 40%;
}

mi-figure.medium img {
  width: 65%;
}

mi-figure.wide {
  margin-left: calc(-1 * var(--mi-space-8));
  margin-right: calc(-1 * var(--mi-space-8));
}

mi-figure.full {
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  max-width: 100vw;
  width: 100vw;
}

/**
 * MI Code Component Styles
 * Syntax-highlighted code blocks
 */

mi-code {
  display: block;
  position: relative;
  margin: var(--mi-space-8) 0;
}

mi-code pre {
  background: var(--mi-code-bg);
  border: 1px solid var(--mi-rule);
  border-radius: var(--mi-radius);
  padding: var(--mi-space-6);
  overflow-x: auto;
  font-size: var(--mi-text-sm);
  line-height: 1.6;
  margin: 0;
}

mi-code code {
  background: none;
  padding: 0;
  font-family: var(--mi-font-mono);
  font-weight: 400;
}

.mi-code-language {
  position: absolute;
  top: var(--mi-space-2);
  right: var(--mi-space-4);
  font-size: var(--mi-text-xs);
  color: var(--mi-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  background: var(--mi-bg);
  padding: var(--mi-space-1) var(--mi-space-2);
  border-radius: var(--mi-radius-sm);
  border: 1px solid var(--mi-rule);
}

/* Prism theme - warm academic palette */
mi-code .token.comment,
mi-code .token.prolog,
mi-code .token.doctype,
mi-code .token.cdata {
  color: #6a737d;
  font-style: italic;
}

mi-code .token.punctuation {
  color: #24292e;
}

mi-code .token.property,
mi-code .token.tag,
mi-code .token.boolean,
mi-code .token.number,
mi-code .token.constant,
mi-code .token.symbol,
mi-code .token.deleted {
  color: #005cc5;
}

mi-code .token.selector,
mi-code .token.attr-name,
mi-code .token.string,
mi-code .token.char,
mi-code .token.builtin,
mi-code .token.inserted {
  color: #22863a;
}

mi-code .token.operator,
mi-code .token.entity,
mi-code .token.url,
mi-code .language-css .token.string,
mi-code .style .token.string {
  color: #d73a49;
}

mi-code .token.atrule,
mi-code .token.attr-value,
mi-code .token.keyword {
  color: #d73a49;
}

mi-code .token.function,
mi-code .token.class-name {
  color: #6f42c1;
}

mi-code .token.regex,
mi-code .token.important,
mi-code .token.variable {
  color: #e36209;
}

mi-code .token.important,
mi-code .token.bold {
  font-weight: bold;
}

mi-code .token.italic {
  font-style: italic;
}

mi-code .token.entity {
  cursor: help;
}

/* Python-specific */
mi-code .token.decorator {
  color: #6f42c1;
}

mi-code .token.triple-quoted-string {
  color: #22863a;
}

/**
 * MI End Matter Styles
 * Unified styling for appendix, acknowledgments, contributions, footnotes, references
 */

/* ===== Full-width divider before end matter ===== */
.mi-end-matter-start {
  border: none;
  border-top: 1px solid var(--mi-rule);
  margin: var(--mi-space-12) 0 0;
  /* Break out of grid to span full width */
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
}

/* Hide the separator on the first section after full-width divider */
.mi-end-matter-start + .mi-end-matter-section .mi-end-matter-separator {
  display: none;
}

/* ===== End Matter Section (shared styles) ===== */
.mi-end-matter-section {
  margin-top: var(--mi-space-8);
  font-size: 0.85rem;
  color: var(--mi-muted);
}

.mi-end-matter-separator {
  border: none;
  border-top: 1px solid var(--mi-rule);
  margin: 0 0 var(--mi-space-4);
}

.mi-end-matter-title {
  font-family: var(--mi-font-heading);
  font-size: var(--mi-text-lg);
  font-weight: 600;
  color: var(--mi-ink);
  margin: 0 0 var(--mi-space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mi-end-matter-content {
  font-weight: 300;
  line-height: 1.6;
}

.mi-end-matter-content p {
  margin: var(--mi-space-2) 0;
}

.mi-end-matter-content a {
  color: var(--mi-accent);
  text-decoration: none;
}

.mi-end-matter-content a:hover {
  text-decoration: underline;
}

/* ===== Appendix Component ===== */
mi-appendix {
  display: block;
}

/* Hide original content - it gets restructured */
mi-appendix > h3,
mi-appendix > p {
  display: none;
}

/**
 * MI Table of Contents Component Styles
 */

mi-toc {
  display: block;
  margin: var(--mi-space-6) 0;
}

.mi-toc-nav {
  padding: var(--mi-space-4);
  background: rgba(0, 0, 0, 0.02);
  border-radius: var(--mi-radius);
  border-left: 3px solid var(--mi-accent);
}

.mi-toc-title {
  font-family: var(--mi-font-heading);
  font-size: var(--mi-text-sm);
  font-weight: 600;
  color: var(--mi-ink);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 var(--mi-space-3);
}

.mi-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mi-toc-item {
  margin: var(--mi-space-1) 0;
}

.mi-toc-level-0 {
  padding-left: 0;
}

.mi-toc-level-1 {
  padding-left: var(--mi-space-4);
}

.mi-toc-level-2 {
  padding-left: var(--mi-space-8);
}

.mi-toc-link {
  display: block;
  color: var(--mi-muted);
  text-decoration: none;
  font-size: var(--mi-text-sm);
  font-weight: 300;
  padding: var(--mi-space-1) 0;
  transition: color var(--mi-transition);
}

.mi-toc-link:hover {
  color: var(--mi-ink);
}

.mi-toc-link.active {
  color: var(--mi-accent);
  font-weight: 600;
}

/* Sticky variant */
.mi-toc-sticky {
  position: sticky;
  top: var(--mi-space-4);
}

/* Sidebar layout for wide screens */
@media (min-width: 1400px) {
  mi-toc.mi-toc-sidebar {
    position: fixed;
    left: var(--mi-space-8);
    top: var(--mi-space-8);
    width: 200px;
    max-height: calc(100vh - var(--mi-space-16));
    overflow-y: auto;
  }

  mi-toc.mi-toc-sidebar .mi-toc-nav {
    background: transparent;
    border-left: none;
    padding: 0;
  }
}

/**
 * mi-site-header styles
 */

/* Full masthead (homepage) */
.mi-site-header {
  padding: 32px 0 14px;
  background: var(--mi-bg);
  border-bottom: 1px solid var(--mi-rule);
}

.mi-site-header-wrap {
  max-width: var(--mi-max-width, 900px);
  margin: 0 auto;
  padding: 0 16px;
}

/* Stacked masthead: MUTUAL / logo / INFORMATION */
.mi-masthead-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  margin-bottom: 10px;
}

.mi-masthead-word {
  font-family: var(--mi-font-heading, "Milling", sans-serif);
  font-weight: 600;
  font-size: 2.9rem;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  line-height: 1;
  white-space: nowrap;
}

.mi-masthead-logo {
  width: 110px;
  height: 110px;
  object-fit: contain;
  display: block;
}

/* Simple header (subpages) */
.mi-site-header--simple {
  padding: 12px 0 14px;
}

.mi-site-header--simple .mi-site-header-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.mi-site-header--simple .mi-site-nav {
  margin: 0;
  width: 100%;
}

.mi-site-logo-link {
  display: block;
  margin-bottom: 4px;
}

.mi-site-logo-link img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  display: block;
  opacity: 0.9;
  transition: opacity 0.15s ease;
}

.mi-site-logo-link:hover img {
  opacity: 1;
}

/* Mobile adjustments */
@media (max-width: 720px) {
  .mi-masthead-word {
    font-size: 2.1rem;
    letter-spacing: 0.08em;
  }

  .mi-masthead-logo {
    width: 80px;
    height: 80px;
  }

  .mi-site-logo-link img {
    width: 40px;
    height: 40px;
  }
}

/**
 * mi-site-footer styles
 */

.mi-site-footer {
  border-top: 1px solid var(--mi-rule);
  padding: 10px 0 14px;
  font-size: 0.8rem;
  color: var(--mi-muted);
}

.mi-site-footer-wrap {
  max-width: var(--mi-max-width, 900px);
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.mi-site-footer-links a {
  color: var(--mi-muted);
  text-decoration: none;
}

.mi-site-footer-links a:hover {
  color: var(--mi-ink);
  text-decoration: underline;
}

.mi-site-footer-dot {
  margin: 0 0.3em;
}

@media (max-width: 720px) {
  .mi-site-footer-wrap {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
}