:root {
  color-scheme: light;
  --ink: #202020;
  --muted: #5d6876;
  --line: #cfd9e6;
  --paper: #f8fbff;
  --sidebar: #edf4fb;
  --accent: #1f5f99;
  --accent-soft: #e4f0fb;
  --measure: 760px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.62;
}

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

.site-sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 330px;
  overflow: auto;
  padding: 28px 22px;
  background: var(--sidebar);
  border-right: 1px solid var(--line);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.35;
}

.site-home {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}

.site-home:hover {
  text-decoration: underline;
}

.site-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}

.site-title a {
  color: var(--ink);
  text-decoration: none;
}

.site-author {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.source-link {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 13px;
  font-weight: 700;
}

.sidebar-citation {
  margin: 0 0 22px;
  padding: 11px 12px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  color: #243447;
  font-size: 12px;
  line-height: 1.45;
}

.sidebar-citation strong {
  display: block;
  margin-bottom: 4px;
}

.site-search {
  margin: 0 0 20px;
}

.site-search label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.site-search input {
  width: 100%;
  padding: 8px 9px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
}

.site-search input:focus {
  outline: 2px solid rgba(31, 95, 153, 0.22);
  border-color: var(--accent);
}

.search-status {
  min-height: 1.4em;
  margin-top: 6px;
  color: var(--muted);
  font-size: 11px;
}

.search-results {
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

.search-results:empty {
  display: none;
}

.search-results li {
  margin: 0 0 8px;
  padding: 8px 9px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
}

.search-results a {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}

.search-results p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
}

.sidebar-nav ul {
  list-style: none;
  margin: 0;
  padding-left: 15px;
}

.sidebar-nav > ul {
  padding-left: 0;
}

.sidebar-nav li {
  margin: 3px 0;
}

.toc-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  margin: 1px 3px 0 -2px;
  padding: 0;
  vertical-align: top;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  line-height: 1;
}

.toc-toggle::before {
  content: "-";
}

.sidebar-nav li.has-children > a,
.sidebar-nav li.has-children > .toc-label {
  display: inline-block;
  width: calc(100% - 24px);
  vertical-align: top;
}

.js .sidebar-nav li.is-collapsed > ul {
  display: none;
}

.js .sidebar-nav li.is-collapsed > .toc-toggle::before {
  content: "+";
}

.sidebar-nav a {
  display: block;
  padding: 2px 0;
  color: #243447;
  font-size: 12px;
  text-decoration: none;
}

.sidebar-nav .toc-label {
  display: block;
  padding: 2px 0;
  color: #243447;
  font-size: 12px;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  color: var(--accent);
  text-decoration: underline;
}

.sidebar-nav .toc-label.active {
  color: var(--accent);
}

.content {
  margin-left: 330px;
  padding: 54px 48px 72px;
}

.page-header,
.thesis-text,
.pager {
  max-width: var(--measure);
  margin-left: auto;
  margin-right: auto;
}

.kicker {
  margin: 0 0 8px;
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  letter-spacing: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.22;
  font-weight: 700;
  letter-spacing: 0;
  scroll-margin-top: 24px;
}

h1 {
  margin: 0 0 22px;
  font-size: 34px;
}

h2 {
  margin-top: 44px;
  font-size: 27px;
}

h3 {
  margin-top: 34px;
  font-size: 22px;
}

h4 {
  margin-top: 28px;
  font-size: 18px;
}

h5,
h6 {
  margin-top: 24px;
  font-size: 16px;
}

p {
  margin: 0 0 1.05em;
}

.thesis-text p.example-paragraph {
  margin-left: 1.85rem;
  padding-left: 0.95rem;
  border-left: 2px solid var(--line);
  font-size: 0.97em;
}

.thesis-text blockquote {
  margin: 1.45rem 0 1.55rem;
  padding: 0.2rem 0 0.2rem 1.35rem;
  border-left: 3px solid var(--line);
  color: #2f4054;
  font-size: 0.95em;
  line-height: 1.58;
}

.thesis-text blockquote p {
  margin: 0;
}

.thesis-list {
  margin: 0 0 1.1em 1.35rem;
  padding-left: 1.1rem;
}

.thesis-list ul {
  margin: 0.8em 0 0.2em 1.1rem;
  padding-left: 1.1rem;
  list-style-type: circle;
}

.thesis-list li {
  margin: 0 0 0.8em;
}

.thesis-list li:last-child {
  margin-bottom: 0;
}

.citation-note {
  margin: 0 0 34px;
  padding: 12px 14px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  color: #243447;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  line-height: 1.45;
}

.cover-page {
  padding: 34px 0 10px;
  border-top: 1px solid var(--line);
}

.cover-image-frame {
  max-width: 460px;
  margin: 0 0 32px;
  padding: 0;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 16px 38px rgba(28, 52, 79, 0.14);
}

.cover-image-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.cover-label {
  margin: 0 0 12px;
  color: var(--accent);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.cover-author {
  margin: 0 0 30px;
  color: var(--ink);
  font-size: 20px;
}

.cover-details {
  display: grid;
  grid-template-columns: minmax(120px, 170px) 1fr;
  gap: 16px 24px;
  margin: 0 0 34px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.cover-details div {
  display: contents;
}

.cover-details dt {
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  font-weight: 700;
}

.cover-details dd {
  grid-column: 2;
  margin: 0;
}

.index-summary {
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.visual {
  margin: 1.7rem 0;
}

.visual img {
  display: block;
  max-width: 100%;
  height: auto;
  background: white;
  border: 1px solid var(--line);
}

figcaption,
.caption {
  margin-top: 0.55rem;
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  line-height: 1.45;
}

.table-fragment {
  margin-top: 1.25rem;
  margin-bottom: 0.55rem;
}

.footnote {
  display: inline;
  position: relative;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.86em;
}

.footnote-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.footnote-label {
  cursor: pointer;
  color: var(--accent);
  font-size: 0.82em;
  font-weight: 700;
  line-height: 0;
  vertical-align: super;
}

.footnote-label::before {
  content: "[";
}

.footnote-label::after {
  content: "]";
}

.footnote-label:hover {
  text-decoration: underline;
}

.footnote-body {
  display: none;
  position: absolute;
  z-index: 20;
  top: 1.35rem;
  left: 50%;
  width: min(34rem, calc(100vw - 2rem));
  max-height: 45vh;
  overflow: auto;
  padding: 0.85rem 0.95rem;
  transform: translateX(-50%);
  border: 1px solid var(--line);
  background: #ffffff;
  box-shadow: 0 14px 34px rgba(31, 95, 153, 0.18);
  color: #243447;
  font-size: 0.92rem;
  line-height: 1.5;
}

.footnote-toggle:checked + .footnote-label + .footnote-body {
  display: block;
}

.pager {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
}

.pager a:last-child {
  margin-left: auto;
}

.silent-anchor {
  position: relative;
  top: -24px;
}

@media (max-width: 980px) {
  .site-sidebar {
    position: static;
    width: auto;
    max-height: 48vh;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .content {
    margin-left: 0;
    padding: 34px 22px 56px;
  }

  h1 {
    font-size: 28px;
  }

  .cover-details {
    display: block;
  }

  .cover-details dt {
    margin-top: 16px;
  }

  .cover-details dd {
    margin-top: 2px;
  }
}