:root {
  color-scheme: light;
  --x39b7-plum: #341d40;
  --x39b7-deep: #281331;
  --x39b7-amethyst: #704c7e;
  --x39b7-gilt: #e3c47c;
  --x39b7-brass: #866623;
  --x39b7-paper: #fcfafc;
  --x39b7-tint: #f1ebf3;
  --x39b7-stroke: #e2d8e6;
  --x39b7-text: #403747;
  --x39b7-muted: #74667c;
  --x39b7-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  --x39b7-body: "Segoe UI", Candara, "Trebuchet MS", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; background: var(--x39b7-paper); color: var(--x39b7-text); font: 16px/1.75 var(--x39b7-body); }
a { color: var(--x39b7-amethyst); text-underline-offset: 4px; }
a:hover { color: var(--x39b7-plum); }
a, button { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
:focus-visible { outline: 3px solid var(--x39b7-brass); outline-offset: 5px; }
::selection { background: #ead7ef; color: var(--x39b7-deep); }
h1, h2, h3 { color: var(--x39b7-plum); font-family: var(--x39b7-display); font-weight: 500; line-height: 1.18; }
h1 { font-size: clamp(2.4rem, 4.1vw, 4rem); letter-spacing: -.045em; max-width: 850px; margin: 0 0 24px; text-wrap: balance; }
h2 { font-size: clamp(1.65rem, 2.3vw, 2.15rem); letter-spacing: -.025em; margin: 0 0 18px; text-wrap: balance; }
h3 { font-size: 1.45rem; margin: 0 0 12px; letter-spacing: -.02em; }
p { margin: 0 0 1.2em; }
img { max-width: 100%; height: auto; }
.x39b7-skip-link { position: fixed; left: 24px; top: -120px; z-index: 100; background: var(--x39b7-gilt); color: var(--x39b7-deep); padding: 12px 20px; }
.x39b7-skip-link:focus { top: 12px; }
.x39b7-rail { position: fixed; inset: 0 auto 0 0; width: 264px; z-index: 20; background: var(--x39b7-plum); color: #e4d8e9; display: flex; flex-direction: column; padding: 38px 24px 26px; overflow-y: auto; border-right: 1px solid var(--x39b7-deep); }
.x39b7-brand { display: flex; align-items: center; gap: 6px; color: white; text-decoration: none; font-family: var(--x39b7-display); font-size: 1.35rem; white-space: nowrap; letter-spacing: -.035em; }
.x39b7-brand:hover { color: var(--x39b7-gilt); }
.x39b7-brand > span:last-child { color: var(--x39b7-gilt); }
.x39b7-monogram { display: grid; place-items: center; width: 31px; height: 37px; border: 1px solid #bba071; color: var(--x39b7-gilt); margin-right: 4px; font-size: 24px; }
.x39b7-rail-label { color: #c4b0ce; font-size: .62rem; font-weight: 600; text-transform: uppercase; letter-spacing: .2em; margin: 12px 0 46px 46px; }
.x39b7-topics { display: grid; gap: 6px; counter-reset: topics; }
.x39b7-topics a { counter-increment: topics; display: flex; align-items: center; gap: 15px; padding: 11px 13px; color: #e3d7e9; text-decoration: none; font-size: .9rem; border: 1px solid transparent; border-radius: 3px; }
.x39b7-topics a::before { content: "0" counter(topics); font-size: .63rem; font-variant-numeric: tabular-nums; color: #b39cbe; letter-spacing: .04em; }
.x39b7-topics a:hover { background: #432a50; color: white; }
.x39b7-topics a[aria-current="page"] { color: var(--x39b7-gilt); background: #4c3456; border-color: #775766; }
.x39b7-topics a[aria-current="page"]::before { color: var(--x39b7-gilt); }
.x39b7-rail-note { margin-top: auto; padding: 38px 14px 0; }
.x39b7-compass { display: block; color: var(--x39b7-gilt); font-size: 3rem; line-height: 1; margin-bottom: 16px; }
.x39b7-rail-note p { font-family: var(--x39b7-display); font-size: 1.1rem; color: #e7dce9; margin-bottom: 14px; }
.x39b7-edition { display: block; border-top: 1px solid #634a6c; padding-top: 17px; color: #bfaac8; font-size: .6rem; letter-spacing: .2em; }
.x39b7-menu-toggle { display: none; }
.x39b7-main { margin-left: 264px; padding: 0 54px; max-width: 1600px; min-width: 0; }
.x39b7-breadcrumbs { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; padding: 26px 0; font-size: .75rem; color: var(--x39b7-muted); border-bottom: 1px solid var(--x39b7-stroke); }
.x39b7-breadcrumbs a { text-decoration: none; }
.x39b7-breadcrumbs span[aria-hidden] { color: #b59cba; }
.x39b7-intro { position: relative; padding: 48px 0 42px; border-bottom: 1px solid var(--x39b7-stroke); margin-bottom: 40px; }
.x39b7-overview { padding-top: 66px; }
.x39b7-intro::before { content: ""; display: block; width: 42px; height: 3px; background: var(--x39b7-brass); margin-bottom: 27px; }
.x39b7-label { display: block; font-size: .66rem; font-family: var(--x39b7-body); color: var(--x39b7-amethyst); letter-spacing: .15em; font-weight: 650; text-transform: uppercase; line-height: 1.6; margin-bottom: 15px; }
.x39b7-abstract { max-width: 750px; color: var(--x39b7-muted); font-size: 1.09rem; line-height: 1.8; margin-bottom: 0; }
.x39b7-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.x39b7-button { display: inline-flex; justify-content: center; align-items: center; text-decoration: none; padding: 11px 20px; border: 1px solid var(--x39b7-plum); background: var(--x39b7-plum); color: #fff; border-radius: 3px; font-size: .81rem; font-weight: 600; }
.x39b7-button::after { content: "→"; margin-left: 20px; color: var(--x39b7-gilt); }
.x39b7-button:hover { background: #52335f; color: white; }
.x39b7-secondary { background: transparent; color: var(--x39b7-plum); border-color: #ccbccf; }
.x39b7-secondary::after { color: var(--x39b7-brass); }
.x39b7-reading-layout, .x39b7-overview-layout { display: grid; grid-template-columns: minmax(0, 1fr) 198px; align-items: start; gap: 44px; }
.x39b7-article, .x39b7-overview-content { min-width: 0; }
.x39b7-toc { position: sticky; top: 34px; border-left: 1px solid var(--x39b7-stroke); padding-left: 22px; margin-top: 7px; }
.x39b7-toc .x39b7-label { color: var(--x39b7-brass); font-size: .61rem; margin-bottom: 18px; }
.x39b7-toc nav { display: grid; gap: 17px; }
.x39b7-toc a { color: var(--x39b7-muted); font-size: .76rem; line-height: 1.65; text-decoration: none; }
.x39b7-toc a:hover { color: var(--x39b7-plum); text-decoration: underline; }
.x39b7-toc-note { color: var(--x39b7-muted); font-size: .71rem; line-height: 1.8; margin-top: 25px; padding-top: 18px; border-top: 1px solid var(--x39b7-stroke); }
.x39b7-passage { padding: 0 0 32px; margin-bottom: 30px; border-bottom: 1px solid var(--x39b7-stroke); scroll-margin-top: 32px; }
.x39b7-passage:last-child { border: 0; margin-bottom: 0; }
.x39b7-passage h2 { max-width: 680px; }
.x39b7-passage p { line-height: 1.9; }
.x39b7-passage ul, .x39b7-passage ol { padding-left: 22px; }
.x39b7-passage li { padding-left: 6px; margin-bottom: 13px; }
.x39b7-passage li::marker { color: var(--x39b7-brass); }
.x39b7-callout { background: var(--x39b7-tint); border-left: 3px solid var(--x39b7-brass); padding: 22px 25px; margin-bottom: 25px; border-radius: 0 4px 4px 0; font-size: .94rem; }
.x39b7-callout strong { color: var(--x39b7-plum); }
.x39b7-callout p { margin: 8px 0 0; }
.x39b7-table-scroll { overflow-x: auto; max-width: 100%; border: 1px solid var(--x39b7-stroke); border-radius: 4px; margin: 24px 0; }
table { border-collapse: collapse; width: 100%; text-align: left; font-size: .85rem; line-height: 1.65; }
caption { text-align: left; padding: 16px; color: var(--x39b7-muted); background: white; font-size: .75rem; }
th, td { border-top: 1px solid var(--x39b7-stroke); padding: 15px; vertical-align: top; }
th { background: var(--x39b7-tint); color: var(--x39b7-plum); font-weight: 600; }
tbody tr:nth-child(even) { background: #f6f2f7; }
.x39b7-overview-content > section { margin-bottom: 56px; scroll-margin-top: 25px; }
.x39b7-section-heading { max-width: 720px; }
.x39b7-section-heading > p:last-child { color: var(--x39b7-muted); font-size: .94rem; }
.x39b7-catalog { display: grid; counter-reset: chapters; }
.x39b7-catalog-space { margin-top: 28px; }
.x39b7-entry { padding: 22px 0; border-top: 1px solid var(--x39b7-stroke); }
.x39b7-topic { display: grid; grid-template-columns: 35px minmax(0, 1fr); column-gap: 18px; color: var(--x39b7-text); text-decoration: none; counter-increment: chapters; transition: background-color .18s; }
.x39b7-topic::before { content: "0" counter(chapters); grid-column: 1; grid-row: 1 / 5; font-family: var(--x39b7-display); color: var(--x39b7-brass); font-size: 1.35rem; line-height: 1.3; }
.x39b7-topic > * { grid-column: 2; }
.x39b7-topic .x39b7-label { font-size: .59rem; letter-spacing: .11em; margin-bottom: 7px; }
.x39b7-topic h3 { margin-bottom: 8px; font-size: 1.45rem; }
.x39b7-topic p { font-size: .88rem; line-height: 1.8; color: var(--x39b7-muted); margin-bottom: 13px; }
.x39b7-topic:hover { background-color: var(--x39b7-tint); }
.x39b7-topic:hover h3 { text-decoration: underline; text-decoration-color: #b79b62; text-underline-offset: 5px; }
.x39b7-entry-link { font-size: .73rem; font-weight: 650; color: var(--x39b7-amethyst); }
.x39b7-entry-link span { margin-left: 10px; color: var(--x39b7-brass); }
.x39b7-related { margin: 18px 0 58px; padding: 30px; background: var(--x39b7-tint); border-top: 2px solid #ba9a56; border-radius: 0 0 4px 4px; }
.x39b7-related .x39b7-topic { border-color: #d9cddd; }
.x39b7-related .x39b7-catalog { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.x39b7-related .x39b7-topic { display: flex; flex-direction: column; }
.x39b7-related .x39b7-topic::before { margin-bottom: 18px; }
.x39b7-related .x39b7-topic h3 { font-size: 1.25rem; }
.x39b7-related .x39b7-entry-link { margin-top: auto; }
.x39b7-overview-content .x39b7-related { padding: 26px; margin-bottom: 50px; }
.x39b7-overview-content .x39b7-entry:not(.x39b7-topic) { display: grid; grid-template-columns: 35px minmax(0, 1fr); column-gap: 18px; }
.x39b7-ordinal { grid-column: 1; grid-row: 1 / 3; color: var(--x39b7-brass); font-family: var(--x39b7-display); font-size: 1.35rem; }
.x39b7-entry:not(.x39b7-topic) h3, .x39b7-entry:not(.x39b7-topic) p { grid-column: 2; }
.x39b7-entry:not(.x39b7-topic) p { color: var(--x39b7-muted); font-size: .9rem; margin-bottom: 0; }
.x39b7-start { border: 1px solid var(--x39b7-stroke); border-radius: 4px; padding: 30px; }
.x39b7-start-inner p:last-child { color: var(--x39b7-muted); font-size: .94rem; }
.x39b7-start-inner .x39b7-button { margin-top: 12px; }
.x39b7-footer { border-top: 1px solid var(--x39b7-stroke); padding: 32px 0 30px; }
.x39b7-footer-columns { display: flex; justify-content: space-between; gap: 36px; }
.x39b7-footer .x39b7-brand { color: var(--x39b7-plum); font-size: 1.3rem; }
.x39b7-footer-description { max-width: 350px; margin: 10px 0 0; color: var(--x39b7-muted); font-size: .8rem; }
.x39b7-footer-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 30px; align-content: start; }
.x39b7-footer-nav a { font-size: .74rem; text-decoration: none; }
.x39b7-footer small { display: block; color: var(--x39b7-muted); margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--x39b7-stroke); font-size: .69rem; line-height: 1.9; }
@media (min-width: 1864px) { .x39b7-main { margin-right: auto; } }
@media (max-width: 1279px) {
  .x39b7-main { padding: 0 38px; }
  .x39b7-reading-layout, .x39b7-overview-layout { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .x39b7-toc { grid-row: 1; position: static; border: 1px solid var(--x39b7-stroke); border-radius: 4px; background: var(--x39b7-tint); padding: 20px 24px; margin-top: 0; }
  .x39b7-toc nav { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 24px; }
  .x39b7-toc-note { border: 0; margin: 14px 0 0; padding: 0; }
  .x39b7-toc .x39b7-label { margin-bottom: 12px; }
  .x39b7-related .x39b7-catalog { grid-template-columns: 1fr; gap: 0; }
  .x39b7-related .x39b7-topic { display: grid; }
  .x39b7-related .x39b7-topic::before { margin-bottom: 0; }
  .x39b7-related .x39b7-entry-link { margin-top: 0; }
}
@media (max-width: 859px) {
  .x39b7-rail { position: relative; width: auto; padding: 20px 24px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 0 14px; overflow: visible; }
  .x39b7-rail-label { grid-column: 1; margin: 6px 0 0 45px; font-size: .54rem; }
  .x39b7-rail-note { display: none; }
  .x39b7-menu-toggle { display: inline-flex; align-items: center; gap: 15px; grid-column: 2; grid-row: 1 / 3; border: 1px solid #897491; color: var(--x39b7-gilt); background: transparent; padding: 9px 12px; border-radius: 3px; font-size: .73rem; cursor: pointer; }
  .x39b7-menu-toggle::after { content: "+"; font-size: 1rem; }
  .x39b7-menu-toggle[aria-expanded="true"]::after { content: "−"; }
  .x39b7-topics { display: none; grid-column: 1 / -1; margin-top: 22px; padding-top: 16px; border-top: 1px solid #634a6c; }
  .x39b7-menu-open .x39b7-topics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .x39b7-main { margin-left: 0; padding: 0 30px; }
  .x39b7-overview { padding-top: 40px; }
  h1 { font-size: clamp(2.4rem, 7vw, 3.7rem); }
}
@media (max-width: 559px) {
  body { font-size: 15px; }
  .x39b7-rail { padding: 18px; column-gap: 8px; }
  .x39b7-brand { font-size: 1.16rem; gap: 4px; }
  .x39b7-monogram { width: 25px; height: 31px; font-size: 20px; }
  .x39b7-rail-label { margin-left: 37px; font-size: .48rem; }
  .x39b7-menu-toggle { font-size: .65rem; padding: 7px 9px; gap: 7px; }
  .x39b7-topics { gap: 2px; }
  .x39b7-topics a { font-size: .77rem; padding: 9px 7px; gap: 9px; }
  .x39b7-main { padding: 0 22px; }
  .x39b7-breadcrumbs { padding: 18px 0; font-size: .69rem; }
  .x39b7-intro { padding: 30px 0; margin-bottom: 26px; }
  .x39b7-intro::before { margin-bottom: 22px; }
  h1 { font-size: 2.45rem; margin-bottom: 20px; }
  h2 { font-size: 1.7rem; }
  .x39b7-label { font-size: .6rem; letter-spacing: .12em; }
  .x39b7-abstract { font-size: 1rem; }
  .x39b7-actions { flex-direction: column; align-items: stretch; gap: 10px; margin-top: 24px; }
  .x39b7-button { padding: 11px 14px; font-size: .77rem; }
  .x39b7-toc { padding: 18px; }
  .x39b7-toc nav { grid-template-columns: 1fr; }
  .x39b7-passage { padding-bottom: 22px; margin-bottom: 25px; }
  .x39b7-passage h2 { font-size: 1.6rem; }
  .x39b7-topic { grid-template-columns: 25px minmax(0, 1fr); column-gap: 13px; }
  .x39b7-topic h3 { font-size: 1.35rem; }
  .x39b7-related, .x39b7-overview-content .x39b7-related { padding: 23px 18px; margin-bottom: 36px; }
  .x39b7-callout { padding: 18px; }
  th, td { padding: 10px 8px; overflow-wrap: anywhere; }
  table { font-size: .76rem; }
  .x39b7-start { padding: 23px 20px; }
  .x39b7-overview-content > section { margin-bottom: 36px; }
  .x39b7-footer-columns { flex-direction: column; gap: 24px; }
  .x39b7-footer-nav { gap: 8px 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .x39b7-topic { transition: none; }
}
@media print {
  .x39b7-rail, .x39b7-toc, .x39b7-menu-toggle, .x39b7-skip-link { display: none; }
  .x39b7-main { margin: 0; padding: 0; }
  body { background: white; }
  .x39b7-passage, .x39b7-entry { break-inside: avoid; }
}