:root {
  --book-paper: #fffdf8;
  --book-paper-deep: #f4efe5;
  --book-ink: #191a18;
  --book-muted: #66706a;
  --book-rule: #d8d7ce;
  --book-update: #7b3149;
  --book-update-soft: #f7edf0;
  --book-reading-width: 46rem;
}

.valediction-book-page {
  background:
    linear-gradient(90deg, rgba(15, 107, 98, 0.035) 0 1px, transparent 1px 100%) 0 0 / 88px 100%,
    linear-gradient(180deg, #fbfcfa 0, #f1f4ef 32rem, #edf2ee 100%);
}

.book-skip-link {
  position: fixed;
  z-index: 100;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--text);
  color: white;
  font-weight: 700;
  transform: translateY(-150%);
}

.book-skip-link:focus {
  transform: translateY(0);
}

.book-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2.6rem, 6vw, 5.4rem) 0 clamp(2.2rem, 4vw, 3.8rem);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 83% 12%, rgba(164, 137, 47, 0.12), transparent 26rem),
    linear-gradient(145deg, rgba(255, 254, 250, 0.96), rgba(233, 239, 237, 0.72));
}

.book-hero::after {
  content: "ו";
  position: absolute;
  right: clamp(1rem, 5vw, 5rem);
  bottom: -4.3rem;
  color: rgba(15, 107, 98, 0.045);
  font-family: var(--font-hebrew, "Noto Serif Hebrew", serif);
  font-size: clamp(13rem, 28vw, 28rem);
  line-height: 1;
  pointer-events: none;
}

.book-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr);
  gap: clamp(1.6rem, 5vw, 4.5rem);
  align-items: end;
}

.book-hero-copy {
  padding-top: 0.9rem;
  border-top: 2px solid var(--book-ink);
}

.book-hero h1 {
  max-width: 13ch;
  margin: 0;
  color: var(--book-ink);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(3rem, 7vw, 6.6rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 0.92;
  text-wrap: balance;
}

.book-subtitle {
  margin: 1.2rem 0 0;
  color: var(--book-muted);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(1.35rem, 2.25vw, 2rem);
  font-style: italic;
}

.book-byline {
  margin: 0.65rem 0 0;
  font-size: 1.05rem;
  font-weight: 720;
}

.book-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.book-edition-card {
  padding: clamp(1.15rem, 2vw, 1.55rem);
  border: 1px solid rgba(15, 107, 98, 0.28);
  border-top: 4px solid var(--accent-strong);
  border-radius: var(--radius);
  background: rgba(255, 254, 250, 0.9);
  box-shadow: var(--shadow);
}

.book-edition-kicker,
.book-interface-kicker,
.book-digital-updates > header > span {
  color: var(--accent-strong);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.book-edition-card h2 {
  margin: 0.35rem 0 0.65rem;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.5rem;
}

.book-edition-card p {
  font-size: 0.94rem;
  line-height: 1.55;
}

.book-edition-card .book-edition-release {
  margin: 0.85rem 0 0;
  color: var(--book-update);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.book-rights-note {
  padding-top: 0.8rem;
  border-top: 1px solid var(--book-rule);
  color: var(--book-muted);
}

.book-edition-key {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  margin-top: 0.9rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--book-rule);
  color: var(--book-muted);
  font-size: 0.76rem;
  font-weight: 720;
}

.book-edition-key span {
  display: inline-flex;
  gap: 0.38rem;
  align-items: center;
}

.book-edition-key i {
  display: inline-block;
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 50%;
  background: rgba(15, 107, 98, 0.16);
  box-shadow: inset 0 0 0 1px var(--accent-strong);
}

.book-edition-key-update i {
  background: rgba(123, 49, 73, 0.16);
  box-shadow: inset 0 0 0 1px var(--book-update);
}

.book-citation-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  margin: 1rem 0 0;
}

.book-citation-facts div {
  min-width: 0;
}

.book-citation-facts dt {
  color: var(--book-muted);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.book-citation-facts dd {
  margin: 0.12rem 0 0;
  overflow-wrap: anywhere;
  font-size: 0.87rem;
  font-weight: 650;
}

.book-reader {
  min-height: 70vh;
  --book-toolbar-offset: 4.85rem;
}

.book-progress {
  position: sticky;
  z-index: 19;
  top: var(--book-toolbar-offset);
  height: 3px;
  background: rgba(15, 107, 98, 0.1);
}

.book-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-strong), var(--accent));
  transition: width 180ms ease;
}

.book-toolbar {
  position: sticky;
  z-index: 18;
  top: calc(var(--book-toolbar-offset) + 3px);
  border-bottom: 1px solid rgba(18, 22, 21, 0.12);
  background: rgba(251, 252, 250, 0.96);
  box-shadow: 0 0.4rem 1.2rem rgba(18, 22, 21, 0.045);
  backdrop-filter: blur(16px);
}

.book-toolbar-inner {
  display: grid;
  grid-template-columns: auto minmax(17rem, 1fr) auto minmax(15rem, 0.78fr);
  gap: 0.65rem;
  align-items: center;
  min-height: 4.2rem;
  padding-block: 0.58rem;
}

.book-toc-toggle,
.book-section-nav button,
.book-search button,
.book-search-panel button,
.book-toc-close {
  min-height: 2.55rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-weight: 700;
}

.book-toc-toggle {
  display: none;
  align-items: center;
  gap: 0.45rem;
  padding-inline: 0.8rem;
}

.book-section-nav {
  display: grid;
  grid-template-columns: 2.65rem minmax(0, 1fr) 2.65rem;
  min-width: 0;
}

.book-section-nav label,
.book-page-select-wrap {
  min-width: 0;
}

.book-section-nav button {
  position: relative;
  z-index: 1;
  border-radius: 0;
  font-size: 1.1rem;
}

.book-section-nav button:first-child {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.book-section-nav button:last-child {
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.book-section-nav button:disabled,
.book-bottom-nav a[aria-disabled="true"] {
  opacity: 0.38;
  cursor: default;
  pointer-events: none;
}

.book-section-nav select,
.book-page-select-wrap select,
.book-search input {
  width: 100%;
  height: 2.55rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface);
  color: var(--text);
}

.book-section-nav select {
  padding: 0 2rem 0 0.65rem;
  border-inline: 0;
  font-size: 0.9rem;
  font-weight: 670;
}

.book-page-select-wrap {
  display: grid;
  grid-template-columns: auto minmax(5.5rem, 1fr);
  align-items: center;
  gap: 0.45rem;
  color: var(--book-muted);
  font-size: 0.76rem;
  font-weight: 760;
  white-space: nowrap;
}

.book-page-select-wrap select {
  padding: 0 1.8rem 0 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 650;
}

.book-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  min-width: 0;
}

.book-search input {
  min-width: 0;
  padding: 0 0.7rem;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.book-search button {
  padding-inline: 0.75rem;
  border-left: 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--text);
  color: white;
}

.book-search .book-search-clear {
  width: 2.45rem;
  padding: 0;
  border-radius: 0;
  background: var(--surface);
  color: var(--muted);
  font-size: 1.25rem;
}

.book-toolbar button:hover:not(:disabled),
.book-toolbar button:focus-visible,
.book-toolbar select:focus-visible,
.book-toolbar input:focus-visible,
.book-toc-close:focus-visible {
  position: relative;
  z-index: 2;
  border-color: var(--accent-strong);
  outline: 3px solid rgba(15, 107, 98, 0.14);
  outline-offset: 0;
}

.book-search-panel {
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  max-height: min(70vh, 38rem);
  overflow: auto;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 254, 250, 0.985);
  box-shadow: 0 1.4rem 2.4rem rgba(18, 22, 21, 0.15);
}

.book-search-panel[hidden],
.book-toc-scrim[hidden] {
  display: none;
}

.book-search-panel > .container {
  padding-block: 1rem 1.2rem;
}

.book-search-panel-heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--line);
}

.book-search-panel-heading button {
  min-height: 2.2rem;
  padding-inline: 0.7rem;
  background: transparent;
}

.book-search-results {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  padding-top: 0.75rem;
}

.book-search-result {
  display: grid;
  gap: 0.28rem;
  padding: 0.8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: white;
  color: var(--text);
  text-align: left;
}

.book-search-result:hover,
.book-search-result:focus-visible {
  border-color: var(--accent-strong);
  background: var(--surface-strong);
  text-decoration: none;
}

.book-search-result span {
  color: var(--accent-strong);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.book-search-result strong {
  line-height: 1.35;
}

.book-search-result small {
  color: var(--book-muted);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 0.93rem;
  line-height: 1.42;
}

.book-search-layout-warning {
  color: var(--book-update);
  font-size: 0.72rem;
  font-style: normal;
  font-weight: 760;
}

.book-search-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 1.1rem;
  border-left: 3px solid var(--accent);
  background: var(--surface-muted);
  color: var(--book-muted);
}

.book-reader-layout {
  display: grid;
  grid-template-columns: minmax(14rem, 18rem) minmax(0, var(--book-reading-width));
  gap: clamp(1.5rem, 4vw, 4rem);
  justify-content: center;
  align-items: start;
  padding-block: clamp(1.7rem, 4vw, 3.5rem) 4rem;
}

.book-toc {
  position: sticky;
  top: calc(var(--book-toolbar-offset) + 5.3rem);
  max-height: calc(100vh - var(--book-toolbar-offset) - 6.3rem);
  overflow: auto;
  padding-right: 0.45rem;
  scrollbar-width: thin;
}

.book-toc-heading-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--book-ink);
}

.book-toc h2 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.book-toc-close {
  display: none;
  width: 2.45rem;
  padding: 0;
  font-size: 1.35rem;
}

.book-toc-list,
.book-toc-children {
  margin: 0;
  padding: 0;
  list-style: none;
}

.book-toc-list {
  padding-block: 0.45rem;
}

.book-toc-list > li + li {
  border-top: 1px solid rgba(212, 221, 215, 0.62);
}

.book-toc-children {
  margin-left: 0.45rem;
  border-left: 1px solid rgba(15, 107, 98, 0.16);
}

.book-toc-children li + li {
  border-top: 1px solid rgba(212, 221, 215, 0.44);
}

.book-toc-list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.48rem;
  padding: 0.55rem 0.5rem;
  border-left: 3px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--book-muted);
  font-size: 0.84rem;
  line-height: 1.35;
}

.book-toc-list a[data-level="2"] {
  padding-left: 1.15rem;
  font-size: 0.79rem;
}

.book-toc-list a[data-level="3"] {
  padding-left: 1.9rem;
  font-size: 0.76rem;
}

.book-toc-list a:hover,
.book-toc-list a:focus-visible,
.book-toc-list a[aria-current="true"] {
  border-left-color: var(--accent-strong);
  background: var(--surface-strong);
  color: var(--book-ink);
  text-decoration: none;
}

.book-toc-number {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  font-weight: 760;
}

.book-toc-page {
  grid-column: 2;
  color: var(--book-muted);
  font-size: 0.7rem;
}

.book-toc-links {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.8rem;
  padding: 0.8rem 0.5rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  font-weight: 720;
}

.book-reading-pane {
  min-width: 0;
  outline: none;
}

.book-reading-pane:focus-visible {
  outline: 3px solid rgba(15, 107, 98, 0.16);
  outline-offset: 0.5rem;
}

.book-section-header {
  margin-bottom: 1.45rem;
  padding-bottom: 1.15rem;
  border-bottom: 1px solid var(--book-rule);
}

.book-section-label-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.book-edition-state {
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.8rem;
  align-items: center;
}

.book-text-status {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  color: var(--accent-strong);
  font-size: 0.72rem;
  font-weight: 820;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.book-text-status i {
  width: 0.55rem;
  height: 0.55rem;
  border: 1px solid var(--accent-strong);
  border-radius: 50%;
  background: rgba(15, 107, 98, 0.12);
}

.book-reader[data-edition="updated"] .book-text-status {
  color: var(--book-update);
}

.book-reader[data-edition="updated"] .book-text-status i {
  border-color: var(--book-update);
  background: rgba(123, 49, 73, 0.14);
}

.book-edition-switch {
  display: inline-grid;
  grid-template-columns: repeat(2, max-content);
  padding: 0.12rem;
  border: 1px solid var(--book-rule);
  border-radius: var(--radius-sm);
  background: var(--book-paper);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
}

.book-edition-switch button {
  min-height: 2rem;
  padding: 0.25rem 0.55rem;
  border: 0;
  border-radius: 2px;
  background: transparent;
  color: var(--book-muted);
  font: inherit;
  font-size: 0.7rem;
  font-weight: 760;
  cursor: pointer;
}

.book-edition-switch button[aria-pressed="true"] {
  background: var(--book-ink);
  color: white;
  box-shadow: 0 2px 7px rgba(18, 22, 21, 0.14);
}

.book-edition-switch button:focus-visible {
  position: relative;
  z-index: 1;
  outline: 3px solid rgba(15, 107, 98, 0.2);
  outline-offset: 1px;
}

.book-section-pdf-link {
  font-size: 0.78rem;
  font-weight: 720;
}

.book-section-number {
  margin: 1.1rem 0 0.1rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.book-section-header h2 {
  margin: 0;
  color: var(--book-ink);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(2.1rem, 4.2vw, 3.7rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.02;
  text-wrap: balance;
}

.book-section-pages {
  margin: 0.55rem 0 0;
  color: var(--book-muted);
  font-size: 0.82rem;
}

.book-interface-bridge {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.2rem;
  align-items: center;
  margin: 0 0 1.6rem;
  padding: 1.15rem 1.2rem;
  border: 1px solid rgba(15, 107, 98, 0.28);
  border-left: 4px solid var(--accent-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(110deg, rgba(15, 107, 98, 0.09), transparent 62%),
    var(--surface);
  box-shadow: 0 0.75rem 2rem rgba(18, 22, 21, 0.06);
}

.book-interface-bridge[hidden] {
  display: none;
}

.book-interface-bridge h3 {
  margin: 0.15rem 0 0.25rem;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.35rem;
}

.book-interface-bridge p {
  margin: 0;
  color: var(--book-muted);
  font-size: 0.9rem;
  line-height: 1.48;
}

.book-interface-bridge .button {
  min-width: max-content;
}

.book-interface-actions {
  display: grid;
  gap: 0.5rem;
  justify-items: stretch;
}

.book-interface-actions .button {
  text-align: center;
}

.book-edition-text {
  position: relative;
}

.book-prose {
  color: var(--book-ink);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(1.08rem, 1.2vw, 1.18rem);
  line-height: 1.7;
}

.book-prose h2,
.book-prose h3,
.book-prose h4 {
  margin: 2.1em 0 0.65em;
  color: var(--book-ink);
  font-family: inherit;
  font-weight: 600;
  line-height: 1.16;
  text-wrap: balance;
}

.book-prose h2 {
  font-size: 1.75rem;
}

.book-prose h3 {
  font-size: 1.42rem;
}

.book-prose h4 {
  font-size: 1.15rem;
  font-style: italic;
}

.book-prose p {
  margin: 0 0 1em;
}

.book-prose p + p {
  text-indent: 1.3em;
}

.book-prose :is(h2, h3, h4, figure, blockquote, ul, ol, table) + p,
.book-prose .book-page-marker + p,
.book-prose p.no-indent {
  text-indent: 0;
}

.book-prose a {
  text-decoration: underline;
  text-decoration-color: rgba(15, 107, 98, 0.38);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

.book-prose blockquote {
  margin: 1.4rem 0;
  padding: 0.15rem 0 0.15rem 1.2rem;
  border-left: 3px solid rgba(15, 107, 98, 0.34);
  color: #3e4843;
}

.book-prose :is(ul, ol) {
  padding-left: 1.4rem;
}

.book-prose li + li {
  margin-top: 0.35rem;
}

.book-prose [lang="he"],
.book-prose .hebrew {
  font-family: var(--font-hebrew, "Noto Serif Hebrew", serif);
}

.book-hebrew-run {
  direction: rtl;
  unicode-bidi: isolate;
}

.book-prose figure {
  margin: 2rem 0;
}

.book-prose figure img {
  width: 100%;
  max-height: 38rem;
  object-fit: contain;
  border: 1px solid var(--book-rule);
  background: white;
}

.book-prose figcaption {
  margin-top: 0.6rem;
  color: var(--book-muted);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 0.82rem;
  line-height: 1.45;
}

.book-prose table {
  width: 100%;
  margin: 1.6rem 0;
  border-collapse: collapse;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 0.88rem;
}

.book-prose th,
.book-prose td {
  padding: 0.6rem;
  border: 1px solid var(--book-rule);
  text-align: left;
  vertical-align: top;
}

.book-prose th {
  background: var(--surface-strong);
}

.book-page {
  position: relative;
  min-width: 0;
  scroll-margin-top: calc(var(--book-toolbar-offset) + 6rem);
}

.book-page-text,
.book-page-text :is(p, li, dd, blockquote) {
  min-width: 0;
  overflow-wrap: break-word;
  word-break: normal;
  hyphens: none;
}

.book-unbroken-word {
  white-space: nowrap;
}

.book-front-matter-list {
  display: grid;
  gap: 0.5rem;
  margin: 1.15rem 0 0;
  padding: 0;
  list-style: none;
}

.book-front-matter-entry {
  margin: 0;
  padding: 0;
  break-inside: avoid;
  text-indent: 0 !important;
}

.book-front-matter-target {
  display: grid;
  grid-template-columns: minmax(3.9rem, auto) minmax(0, 1fr) auto;
  gap: 0.25rem 0.7rem;
  align-items: baseline;
  min-height: 2.75rem;
  padding: 0.42rem 0.35rem;
  border-radius: var(--radius-sm);
  color: inherit;
  text-decoration: none;
}

a.book-front-matter-target:hover,
a.book-front-matter-target:focus-visible {
  background: color-mix(in srgb, var(--accent) 7%, transparent);
}

a.book-front-matter-target:hover .book-front-matter-title {
  color: var(--accent);
}

.book-front-matter-entry[data-entry-kind="contents"][data-level="2"] {
  padding-left: 0.75rem;
}

.book-front-matter-entry[data-entry-kind="contents"][data-level="3"] {
  padding-left: 1.5rem;
}

.book-front-matter-entry[data-entry-kind="contents"][data-level="4"] {
  padding-left: 2.25rem;
}

.book-front-matter-label,
.book-front-matter-page {
  white-space: nowrap;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  font-weight: 720;
}

.book-front-matter-label {
  color: var(--book-muted);
}

.book-front-matter-title {
  min-width: 0;
  line-height: 1.42;
}

.book-front-matter-page {
  justify-self: end;
  min-width: 2ch;
  color: var(--accent);
  text-align: right;
}

.book-numbered-list {
  display: grid;
  gap: 0.8rem;
  margin: 1rem 0;
  padding-left: 1.8rem;
}

.book-numbered-list-item {
  margin: 0;
  padding-left: 0.22rem;
  text-indent: 0 !important;
}

.book-numbered-list-item::marker {
  color: var(--accent);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 0.82em;
  font-weight: 760;
}

.book-page + .book-page {
  margin-top: 2.4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--book-rule);
}

.book-page-marker {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.65rem;
  align-items: baseline;
  margin-bottom: 1rem;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 0.73rem;
  line-height: 1.4;
}

.book-page-marker strong {
  color: var(--accent);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.book-page-marker a {
  color: var(--book-muted);
  font-weight: 690;
  text-decoration: none;
}

.book-page-marker a:hover,
.book-page-marker a:focus-visible {
  color: var(--accent-strong);
  text-decoration: underline;
}

.book-page-text[data-text-format="plain"] {
  white-space: pre-line;
}

.book-edition-line,
.book-translation-line {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.8rem;
  align-items: baseline;
  margin: 0.16rem 0;
  text-indent: 0;
}

.book-edition-line-number,
.book-translation-line-number {
  color: var(--book-muted);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 0.72em;
  font-variant-numeric: tabular-nums;
  font-weight: 740;
  text-align: right;
}

.book-edition-line-text,
.book-translation-line-text {
  min-width: 0;
}

.book-source-deletion {
  color: var(--book-muted);
  text-decoration-color: color-mix(in srgb, var(--accent) 72%, transparent);
  text-decoration-thickness: 0.09em;
}

.book-comparison-table-region {
  margin: 1.1rem 0 1.35rem;
  overflow-x: auto;
  border: 1px solid var(--book-rule);
  border-radius: var(--radius-sm);
  background: var(--book-paper);
}

.book-comparison-table-region:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 42%, transparent);
  outline-offset: 3px;
}

.book-comparison-table {
  width: 100%;
  min-width: 42rem;
  border-collapse: collapse;
  font-size: 0.84rem;
  line-height: 1.5;
}

.book-comparison-table th,
.book-comparison-table td {
  width: 33.333%;
  padding: 0.68rem 0.75rem;
  border-right: 1px solid var(--book-rule);
  border-bottom: 1px solid var(--book-rule);
  vertical-align: top;
}

.book-comparison-table th:last-child,
.book-comparison-table td:last-child {
  border-right: 0;
}

.book-comparison-table tbody tr:last-child td {
  border-bottom: 0;
}

.book-comparison-table th {
  background: var(--book-paper-deep);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 0.75rem;
  line-height: 1.35;
  text-align: left;
}

.book-comparison-table td {
  unicode-bidi: plaintext;
}

.book-comparison-column-line + .book-comparison-column-line {
  margin-top: 0.35rem;
}

.book-front-matter-metadata {
  margin: 0.6rem 0;
  font-size: 0.9em;
  line-height: 1.52;
  text-indent: 0;
}

.book-page-text sup {
  position: relative;
  top: -0.12em;
  font-size: 0.72em;
  line-height: 0;
  vertical-align: baseline;
}

.book-page-text > .book-translation-line:first-of-type {
  margin-top: 0.9rem;
}

.book-footnotes,
.book-prose .footnotes {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--book-rule);
  font-size: 0.86em;
  line-height: 1.55;
}

.book-footnotes h4 {
  margin: 0 0 0.6rem;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 0.75rem;
  font-style: normal;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.book-footnotes ol {
  margin: 0;
  padding-left: 1.8rem;
}

.book-footnotes li {
  padding-left: 0.25rem;
  scroll-margin-top: calc(var(--book-toolbar-offset) + 6rem);
}

.book-footnotes li + li {
  margin-top: 0.55rem;
}

.book-footnote-reference {
  padding-inline: 0.08em;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: inherit;
  font-weight: 760;
  line-height: inherit;
  text-decoration: none !important;
  scroll-margin-top: calc(var(--book-toolbar-offset) + 6rem);
}

.book-footnote-backlink {
  margin-left: 0.22rem;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 0.86em;
  text-decoration: none !important;
}

.book-bibliography-list {
  display: grid;
  gap: 0.68rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.book-bibliography-list li {
  padding-left: 1.55rem;
  text-indent: -1.55rem;
  line-height: 1.5;
}

.book-archival-fallback {
  margin: 0.4rem 0 0.9rem;
  padding: 1.05rem;
  border: 1px solid rgba(15, 107, 98, 0.24);
  border-left: 4px solid var(--accent-strong);
  border-radius: var(--radius-sm);
  background: rgba(238, 245, 242, 0.72);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
}

.book-archival-fallback h3 {
  margin: 0;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.24rem;
}

.book-archival-fallback p {
  margin: 0.38rem 0 0;
  color: var(--book-muted);
  font-size: 0.88rem;
  line-height: 1.52;
  text-indent: 0;
}

.book-archival-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.85rem;
}

.book-pdf-preview,
.book-searchable-transcript {
  margin-top: 0.7rem;
  border: 1px solid var(--book-rule);
  border-radius: var(--radius-sm);
  background: var(--book-paper);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
}

.book-pdf-preview summary,
.book-searchable-transcript summary {
  padding: 0.72rem 0.85rem;
  color: var(--accent-strong);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 760;
}

.book-pdf-preview[open] summary,
.book-searchable-transcript[open] summary {
  border-bottom: 1px solid var(--book-rule);
}

.book-pdf-preview-note {
  margin: 0;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--book-rule);
  color: var(--book-muted);
  font-size: 0.78rem;
  line-height: 1.45;
}

.book-pdf-preview-frame {
  min-height: min(72vh, 48rem);
  background: var(--book-paper-deep);
}

.book-pdf-preview-frame iframe {
  display: block;
  width: 100%;
  height: min(72vh, 48rem);
  border: 0;
}

.book-inline-update {
  min-width: 0;
  margin: 1.35rem 0 1.65rem;
  padding: clamp(0.9rem, 2.5vw, 1.25rem);
  border: 1px solid rgba(123, 49, 73, 0.28);
  border-top: 4px solid var(--book-update);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(123, 49, 73, 0.055), transparent 52%),
    var(--book-update-soft);
  box-shadow: 0 0.75rem 2rem rgba(45, 25, 31, 0.065);
  text-indent: 0 !important;
}

.book-inline-update > :first-child {
  margin-top: 0;
}

.book-inline-update .book-update-meta {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
}

.book-inline-update h3 {
  margin: 0.35rem 0 0.35rem;
  color: var(--book-ink);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(1.25rem, 3vw, 1.55rem);
  line-height: 1.18;
}

.book-update-summary {
  margin: 0 0 0.9rem;
  color: #58424a;
  font-size: 0.93rem;
  line-height: 1.5;
}

.book-synoptic-overview {
  min-width: 0;
  margin: 0;
}

.book-synoptic-overview-frame {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(18, 22, 21, 0.18);
  border-radius: var(--radius-sm);
  background: var(--book-paper);
  box-shadow: 0 0.4rem 1.1rem rgba(18, 22, 21, 0.08);
}

.book-synoptic-overview-frame:focus-within {
  border-color: var(--accent-strong);
  outline: 3px solid rgba(15, 107, 98, 0.16);
  outline-offset: 2px;
}

.book-synoptic-overview iframe {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 40.5rem;
  border: 0;
  background: var(--book-paper);
}

.book-synoptic-overview figcaption {
  margin-top: 0.7rem;
  color: var(--book-ink);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.48;
}

.book-synoptic-overview-description {
  margin: 0.38rem 0 0;
  color: var(--book-muted);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 0.76rem;
  line-height: 1.5;
}

.book-update-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.9rem;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
}

.book-original-figure-preview {
  margin-top: 0.75rem;
  background: rgba(255, 253, 248, 0.8);
}

.book-synoptic-overview-print-fallback {
  display: none;
}

.book-searchable-transcript .book-archival-transcript {
  max-height: 32rem;
  overflow: auto;
  padding: 1rem;
  color: var(--book-muted);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 0.88rem;
  line-height: 1.48;
  white-space: pre-wrap;
}

.book-index-entries {
  columns: 2 17rem;
  column-gap: 1.5rem;
  margin: 1rem 0 0;
  font-size: 0.9rem;
}

.book-index-entry {
  display: block;
  margin: 0 0 0.42rem;
  break-inside: avoid;
}

.book-index-entries dt {
  display: inline;
  font-weight: 520;
}

.book-index-entries dd {
  display: inline;
  margin: 0 0 0 0.38em;
  color: var(--book-muted);
  font-variant-numeric: tabular-nums;
  text-align: left;
}

.book-index-entries:not(.book-index-primary-sources) dt::after {
  content: ",";
}

.book-index-entries:not(.book-index-primary-sources) .book-index-see-entry dt::after {
  content: ".";
}

.book-index-entry.is-continuation dd {
  margin-left: 0;
}

.book-index-primary-sources .book-index-entry {
  display: grid;
  grid-template-columns: minmax(4.8rem, 0.42fr) minmax(0, 1fr);
  gap: 0.55rem;
}

.book-index-primary-sources dd {
  margin: 0;
}

.book-index-heading {
  margin: 0.8rem 0 0.1rem;
  padding-bottom: 0.22rem;
  border-bottom: 1px solid var(--book-rule);
  font-size: 1rem;
  font-style: italic;
  break-after: avoid;
  break-inside: avoid;
}

.book-index-order-note {
  margin: 0 0 1rem;
  padding: 0.65rem 0.75rem;
  border-left: 3px solid var(--accent-strong);
  background: rgba(238, 245, 242, 0.72);
  color: var(--book-muted);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 0.78rem;
  text-indent: 0 !important;
}

.book-search-highlight {
  border-radius: 0.12em;
  background: rgba(164, 137, 47, 0.28);
  color: inherit;
  box-shadow: 0 0 0 0.08em rgba(164, 137, 47, 0.12);
}

.book-digital-updates {
  margin-top: 3rem;
  padding: 1.2rem;
  border: 1px solid rgba(123, 49, 73, 0.25);
  border-top: 4px solid var(--book-update);
  border-radius: var(--radius);
  background: var(--book-update-soft);
}

.book-digital-updates[hidden] {
  display: none;
}

.book-digital-updates > header {
  padding-bottom: 0.8rem;
  border-bottom: 1px solid rgba(123, 49, 73, 0.2);
}

.book-digital-updates > header > span {
  color: var(--book-update);
}

.book-digital-updates h3 {
  margin: 0.18rem 0 0.2rem;
  color: var(--book-update);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.4rem;
}

.book-digital-updates header p {
  margin: 0;
  color: #704f5b;
  font-size: 0.87rem;
}

.book-update {
  padding: 1rem 0;
}

.book-update + .book-update {
  border-top: 1px solid rgba(123, 49, 73, 0.17);
}

.book-update-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.8rem;
  color: var(--book-update);
  font-size: 0.72rem;
  font-weight: 780;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.book-update h4 {
  margin: 0.35rem 0 0.4rem;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.12rem;
}

.book-update-content {
  color: #34292d;
  font-family: "Source Serif 4", Georgia, serif;
  line-height: 1.62;
}

.book-update-content > :last-child {
  margin-bottom: 0;
}

.book-bottom-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 3rem;
  padding-top: 1.2rem;
  border-top: 2px solid var(--book-ink);
}

.book-bottom-nav a {
  display: grid;
  gap: 0.18rem;
  min-height: 5rem;
  padding: 0.8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
}

.book-bottom-nav a:last-child {
  text-align: right;
}

.book-bottom-nav a:hover,
.book-bottom-nav a:focus-visible {
  border-color: var(--accent-strong);
  background: var(--surface-strong);
  text-decoration: none;
}

.book-bottom-nav span {
  color: var(--book-muted);
  font-size: 0.7rem;
  font-weight: 790;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.book-bottom-nav strong {
  align-self: end;
  line-height: 1.35;
}

.book-loading-copy,
.book-error {
  margin: 0;
  padding: 1rem;
  border-left: 3px solid var(--accent-strong);
  background: var(--surface-muted);
  color: var(--book-muted);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 0.94rem;
  text-indent: 0 !important;
}

.book-error {
  border-left-color: var(--accent);
}

@media (max-width: 1080px) {
  .book-toolbar-inner {
    grid-template-columns: minmax(16rem, 1.2fr) auto minmax(14rem, 0.8fr);
  }

  .book-toc-toggle {
    display: inline-flex;
  }

  .book-toolbar-inner .book-toc-toggle {
    grid-column: 1;
  }

  .book-section-nav {
    grid-column: 1 / 3;
    grid-row: 1;
    margin-left: 8.2rem;
  }

  .book-page-select-wrap {
    grid-column: 3;
    grid-row: 1;
  }

  .book-search {
    grid-column: 1 / -1;
  }

  .book-reader-layout {
    grid-template-columns: minmax(0, var(--book-reading-width));
  }

  .book-toc-scrim {
    position: fixed;
    z-index: 33;
    inset: 0;
    display: block;
    background: rgba(18, 22, 21, 0.42);
    backdrop-filter: blur(2px);
  }

  .book-toc {
    position: fixed;
    z-index: 34;
    top: 0;
    bottom: 0;
    left: 0;
    width: min(90vw, 22rem);
    max-height: none;
    padding: 1rem;
    background: var(--surface);
    box-shadow: 1.2rem 0 2.8rem rgba(18, 22, 21, 0.22);
    transform: translateX(-105%);
    transition: transform 180ms ease;
  }

  .book-toc.is-open {
    transform: translateX(0);
  }

  .book-toc-close {
    display: block;
  }

  body.book-toc-open {
    overflow: hidden;
  }
}

@media (max-width: 760px) {
  .book-hero-grid {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .book-edition-card {
    max-width: 42rem;
  }

  .book-reader {
    --book-toolbar-offset: 0px;
  }

  .book-progress {
    position: static;
  }

  .book-toolbar {
    position: relative;
    top: auto;
  }

  .book-toolbar-inner {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .book-toc-toggle {
    grid-column: 1;
    grid-row: 1;
  }

  .book-section-nav {
    grid-column: 2;
    grid-row: 1;
    margin-left: 0;
  }

  .book-page-select-wrap {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .book-search {
    grid-column: 1 / -1;
    grid-row: 3;
  }

  .book-search-results {
    grid-template-columns: 1fr;
  }

  .book-reader-layout {
    padding-top: 1.7rem;
  }

  .book-interface-bridge {
    grid-template-columns: 1fr;
  }

  .book-interface-bridge .button {
    width: fit-content;
  }

  .book-interface-actions {
    justify-items: start;
  }

  .book-prose {
    font-size: 1.05rem;
    line-height: 1.66;
  }

  .book-page {
    scroll-margin-top: 1rem;
  }

  .book-index-entries {
    columns: 1;
  }
}

@media (max-width: 520px) {
  .book-hero {
    padding-top: 2rem;
  }

  .book-hero h1 {
    font-size: clamp(2.75rem, 15vw, 4.1rem);
  }

  .book-hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .book-citation-facts {
    grid-template-columns: 1fr;
  }

  .book-toolbar-inner {
    grid-template-columns: 1fr;
  }

  .book-toc-toggle,
  .book-section-nav,
  .book-page-select-wrap,
  .book-search {
    grid-column: 1;
  }

  .book-toc-toggle {
    grid-row: 1;
    width: fit-content;
  }

  .book-section-nav {
    grid-row: 2;
  }

  .book-page-select-wrap {
    grid-row: 3;
  }

  .book-search {
    grid-row: 4;
  }

  .book-section-label-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.45rem;
  }

  .book-edition-state {
    align-items: flex-start;
    flex-direction: column;
  }

  .book-edition-switch {
    width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .book-edition-switch button {
    min-height: 2.75rem;
  }

  .book-section-header h2 {
    font-size: clamp(2rem, 11vw, 2.8rem);
  }

  .book-page-marker {
    align-items: flex-start;
    flex-direction: column;
  }

  .book-edition-line,
  .book-translation-line {
    grid-template-columns: 1.65rem minmax(0, 1fr);
    gap: 0.55rem;
  }

  .book-front-matter-target {
    grid-template-columns: minmax(3.55rem, auto) minmax(0, 1fr) auto;
    column-gap: 0.45rem;
  }

  .book-front-matter-entry[data-entry-kind="contents"][data-level="2"] {
    padding-left: 0.35rem;
  }

  .book-front-matter-entry[data-entry-kind="contents"][data-level="3"] {
    padding-left: 0.7rem;
  }

  .book-front-matter-entry[data-entry-kind="contents"][data-level="4"] {
    padding-left: 1.05rem;
  }

  .book-pdf-preview-frame,
  .book-pdf-preview-frame iframe {
    min-height: 62vh;
    height: 62vh;
  }

  .book-inline-update {
    margin-right: -0.3rem;
    margin-left: -0.3rem;
    padding: 0.75rem;
  }

  .book-synoptic-overview iframe {
    min-height: 0;
    height: 24rem;
  }

  .book-bottom-nav {
    grid-template-columns: 1fr;
  }

  .book-bottom-nav a:last-child {
    text-align: left;
  }
}

@media print {
  .site-header,
  .site-footer,
  .book-hero,
  .book-progress,
  .book-toolbar,
  .book-toc,
  .book-interface-bridge,
  .book-bottom-nav,
  .book-toc-scrim {
    display: none !important;
  }

  .book-pdf-preview,
  .book-searchable-transcript {
    display: none !important;
  }

  .book-pdf-preview.book-print-figure-source {
    display: block !important;
    break-before: page;
    break-inside: avoid;
    border: 0;
    background: white;
  }

  .book-print-figure-source > summary,
  .book-print-figure-source > .book-pdf-preview-note {
    display: none !important;
  }

  .book-print-figure-source > .book-pdf-preview-frame,
  .book-print-figure-source > .book-pdf-preview-frame iframe {
    display: block !important;
    width: 100%;
    height: 9in;
    min-height: 9in;
    background: white;
  }

  .valediction-book-page,
  .book-reader {
    background: white;
  }

  .book-reader-layout {
    display: block;
    width: auto;
    padding: 0;
  }

  .book-reading-pane {
    max-width: none;
  }

  .book-section-header h2 {
    font-size: 2.2rem;
  }

  .book-page {
    break-inside: auto;
  }

  .book-digital-updates {
    break-inside: avoid;
    background: white;
  }

  .book-inline-update {
    break-inside: auto;
    background: white;
    box-shadow: none;
  }

  .book-update-actions {
    display: none;
  }

  .book-synoptic-overview {
    break-inside: avoid;
  }

  .book-synoptic-overview-frame {
    overflow: visible;
    border-color: #777;
    background: white;
    box-shadow: none;
  }

  .book-synoptic-overview iframe {
    display: block;
    width: 100%;
    height: 6.5in;
    min-height: 6.5in;
    background: white;
  }

  .book-synoptic-overview-print-fallback {
    display: block;
    margin: 0.8rem 0 0;
    color: var(--book-muted);
    font-family: Inter, ui-sans-serif, system-ui, sans-serif;
    font-size: 0.8rem;
  }

  .book-page-marker a,
  .book-archival-actions {
    display: none;
  }
}