@font-face {
  font-family: ReaderSymbols;
  src: url('../book/fonts/shared/NotoSansMath-Regular.ttf');
  font-display: swap;
  unicode-range: U+2190-22FF;
}

/* All rules are contained within the reader;
   no global site resets. */
.book-reader {
  --br-paper: #fff;
  --br-ink: #151515;
  --br-muted: #626262;
  --br-line: #dedbd5;
  --br-accent: #c22a26;
  --br-font-size: 20px;
  color: var(--br-ink);
  background: var(--br-paper);
  border: 1px solid var(--br-line);
  border-radius: 4px;
  max-width: 1060px;
  margin: 0 auto;
  position: relative;
  isolation: isolate;
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
  box-shadow: 0 10px 50px #15151509;
}

.book-reader[data-theme='cream'] {
  --br-paper: #f5efdf;
  --br-ink: #29251c;
  --br-muted: #645b4a;
  --br-line: #d6cbb6;
}

.book-reader[data-theme='dark'] {
  --br-paper: #20211f;
  --br-ink: #efede6;
  --br-muted: #b8b6ac;
  --br-line: #46463f;
  --br-accent: #ff8c81;
  color-scheme: dark;
}

.book-reader * {
  box-sizing: border-box;
}
.book-reader button,
.book-reader select,
.book-reader input {
  font: inherit;
  letter-spacing: normal;
}
.book-reader button,
.book-reader select {
  color: inherit;
  background: transparent;
  border: 1px solid var(--br-line);
  border-radius: 3px;
  min-height: 44px;
  cursor: pointer;
}
.book-reader button {
  padding: 8px 14px;
}
.book-reader button:hover:not(:disabled) {
  background: color-mix(in srgb, var(--br-ink) 6%, transparent);
}
.book-reader button:disabled {
  opacity: 0.35;
  cursor: default;
}
.book-reader :focus-visible {
  outline: 2px solid var(--br-accent);
  outline-offset: 3px;
}
.book-reader a {
  color: var(--br-accent);
  text-underline-offset: 0.2em;
}
.book-reader .br-sr {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: pre-line !important;
  border: 0 !important;
}

.book-reader .br-toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--br-line);
  font-size: 13px;
}
.book-reader .br-toolbar-end {
  display: flex;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 0;
}
.book-reader .br-language-label {
  min-width: 0;
  flex: 1;
  max-width: 310px;
}
.book-reader .br-language {
  width: 100%;
  max-width: 100%;
  padding: 0 26px 0 10px;
  min-width: 0;
}
.book-reader .br-contents-button {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-shrink: 0;
}
.book-reader .br-fullscreen {
  font-size: 23px;
  line-height: 1;
}
.book-reader .br-settings-button {
  font-family: Georgia, serif;
  font-size: 20px;
}

.book-reader .br-section-label {
  font-size: 11px;
  line-height: 1.4;
  color: var(--br-muted);
  text-align: center;
  padding: 14px 24px 4px;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
  max-width: 100%;
}
.book-reader .br-stage {
  height: clamp(420px, 70vh, 780px);
  padding: 26px clamp(22px, 6vw, 88px) 30px;
  position: relative;
  touch-action: pan-y;
  overflow: hidden;
}
.book-reader .br-viewport {
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
}
.book-reader .br-flow {
  width: var(--br-page-width, 100%);
  height: var(--br-page-height, 100%);
  column-width: var(--br-page-width, auto);
  column-gap: 48px;
  column-fill: auto;
  direction: ltr;
  transform: translateX(0);
  font:
    400 var(--br-font-size)/1.72 Georgia,
    ReaderSymbols,
    'Times New Roman',
    serif;
  transition: transform 0.18s ease;
  overflow: visible;
  position: relative;
  color: var(--br-ink);
  padding: 0;
  margin: 0;
}
.book-reader[data-script='custom'] .br-flow {
  font-family: ReaderScript, Georgia, ReaderSymbols, serif;
  line-height: 1.9;
}
.book-reader[data-language='ar'] .br-flow {
  line-height: 1.9;
  font-size: calc(var(--br-font-size) * 1.16);
}
.book-reader[data-language='ja'] .br-flow,
.book-reader[data-language='zh-Hans'] .br-flow {
  line-height: 1.9;
  line-break: strict;
  overflow-wrap: anywhere;
}
.book-reader .br-flow > *,
.book-reader .br-block,
.book-reader .br-story,
.book-reader .br-list {
  direction: var(--br-text-direction, ltr);
}

.book-reader .br-block {
  font: inherit;
  letter-spacing: normal;
  text-transform: none;
  margin: 0 0 0.95em;
  padding: 0;
  line-height: inherit;
  overflow-wrap: break-word;
  hyphens: none;
  orphans: 3;
  widows: 3;
  text-align: start;
}
.book-reader .br-flow h2,
.book-reader .br-flow h3 {
  break-after: avoid;
  page-break-after: avoid;
}
.book-reader .br-role-section_title {
  font-size: 1.45em;
  line-height: 1.32;
  font-weight: 400;
  margin: 0 0 1.05em;
  padding-top: 0.1em;
}
.book-reader .br-role-heading,
.book-reader .br-role-subheading {
  font-size: 1.1em;
  font-weight: 700;
  line-height: 1.45;
  margin: 1.3em 0 0.7em;
}
.book-reader .br-role-subtitle {
  font-size: 1.35em;
  line-height: 1.4;
  color: var(--br-accent);
  margin: 0 0 1.2em;
}
.book-reader .br-role-epigraph,
.book-reader .br-role-poem {
  font-style: italic;
  line-height: 1.75;
  margin: 0 0.35em 1.5em;
}
.book-reader .br-role-credit {
  font-size: 0.8em;
  text-align: center;
}
.book-reader .br-bold {
  font-weight: 700;
}
.book-reader .br-italic {
  font-style: italic;
}
.book-reader .br-centered {
  text-align: center;
}
.book-reader .br-flow .br-law-title,
.book-reader .br-flow .br-law-title strong,
.book-reader .br-flow .br-law-title em {
  font-weight: 400;
  font-style: normal;
  text-align: start;
}
.book-reader .br-flow strong {
  font-weight: 700;
}
.book-reader .br-flow em {
  font-style: italic;
}
.book-reader .br-list {
  margin: 0.8em 0 1.3em;
  padding-inline-start: 1.2em;
}
.book-reader .br-list .br-block {
  padding-inline-start: 0.2em;
}
.book-reader .br-story {
  border: 1px solid currentColor;
  padding: 0.8em 1em;
  margin: 0.9em 0 1.3em;
  box-decoration-break: slice;
  -webkit-box-decoration-break: slice;
  break-inside: auto;
}
.book-reader .br-story .br-block:last-child {
  margin-bottom: 0;
}
.book-reader .br-story .br-block {
  border: 0;
}

.book-reader .br-opening,
.book-reader .br-art-page,
.book-reader .br-divider {
  width: 100%;
  height: var(--br-page-height);
  margin: 0;
  padding: 0;
  break-inside: avoid;
  break-after: column;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.book-reader .br-opening:last-child,
.book-reader .br-art-page:last-child,
.book-reader .br-divider:last-child {
  break-after: auto;
}
.book-reader .br-opening-image,
.book-reader .br-illustration {
  display: block;
  object-fit: contain;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: 100%;
  margin: 0;
  background: white;
}
.book-reader .br-opening-image {
  filter: none;
}
.book-reader .br-divider {
  padding: 30px 8%;
  text-align: center;
}
.book-reader .br-divider .br-block {
  font-weight: 400;
  font-style: normal;
  line-height: 1.45;
  text-align: center;
  max-width: 100%;
  font-size: 1.4em;
}
.book-reader .br-divider-seal {
  max-width: 120px;
  width: 25%;
  max-height: 25%;
  object-fit: contain;
  margin: 30px auto 0;
}
.book-reader .br-art-page {
  background: var(--br-paper);
}

.book-reader .br-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--br-muted);
  background: var(--br-paper);
  z-index: 2;
  font-size: 14px;
}
.book-reader .br-loading[hidden] {
  display: none;
}
.book-reader .br-page-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 20px;
}
.book-reader .br-page-controls button {
  display: flex;
  align-items: center;
  gap: 18px;
  border-color: transparent;
  min-width: 125px;
  justify-content: space-between;
}
.book-reader .br-page-status {
  color: var(--br-muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  text-align: center;
}
.book-reader .br-progress {
  height: 2px;
  background: var(--br-line);
}
.book-reader .br-progress > span {
  display: block;
  height: 100%;
  background: var(--br-accent);
  transition: width 0.18s;
}
.book-reader .br-reader-note {
  font-size: 11px;
  line-height: 1.6;
  color: var(--br-muted);
  text-align: center;
  padding: 0 20px;
  margin: 12px 0;
}
.book-reader .br-downloads {
  border-top: 1px solid var(--br-line);
  padding: 16px 24px;
  font-size: 13px;
  line-height: 1.65;
}
.book-reader .br-downloads summary {
  cursor: pointer;
  min-height: 28px;
}
.book-reader .br-downloads p {
  margin: 0.8em 0 0;
  font-size: 12px;
  color: var(--br-muted);
}
.book-reader .br-download-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin-top: 12px;
}

.book-reader .br-dialog {
  color: var(--br-ink);
  background: var(--br-paper);
  border: 1px solid var(--br-line);
  border-radius: 4px;
  padding: 24px;
  width: min(640px, calc(100vw - 28px));
  max-height: min(84vh, 880px);
  overflow: auto;
  font-size: 14px;
}
.book-reader .br-dialog::backdrop {
  background: #0008;
  backdrop-filter: blur(4px);
}
.book-reader .br-dialog-heading {
  display: flex;
  align-items: center;
  gap: 20px;
  justify-content: space-between;
  margin-bottom: 22px;
}
.book-reader .br-dialog h2 {
  font-family: Georgia, serif;
  font-size: 26px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: normal;
  margin: 0;
  text-transform: none;
}
.book-reader .br-dialog .br-close {
  font-size: 24px;
  border-color: transparent;
  min-width: 44px;
  padding: 0;
}
.book-reader .br-search-label,
.book-reader .br-size-label {
  display: grid;
  gap: 10px;
}
.book-reader .br-search {
  border: 1px solid var(--br-line);
  border-radius: 3px;
  padding: 12px;
  width: 100%;
  color: inherit;
  background: transparent;
}
.book-reader .br-toc-count {
  font-size: 12px;
  color: var(--br-muted);
  margin: 15px 0;
}
.book-reader .br-toc-list ol {
  list-style: none;
  margin: 0;
  padding: 0;
}
.book-reader .br-toc-list ol ol {
  margin: 4px 0 10px;
  padding-inline-start: 18px;
  border-inline-start: 1px solid var(--br-line);
}
.book-reader .br-toc-list button {
  width: 100%;
  text-align: start;
  border-color: transparent;
  line-height: 1.5;
  padding: 9px 12px;
  font-size: 14px;
}
.book-reader .br-toc-list [aria-current] {
  color: var(--br-accent);
  font-weight: 650;
}
.book-reader .br-toc-list [data-kind='law-group'] > button,
.book-reader .br-toc-list [data-kind='part'] > button {
  font-weight: 650;
}
.book-reader .br-size-value {
  color: var(--br-muted);
}
.book-reader .br-size {
  width: 100%;
  accent-color: var(--br-accent);
  min-height: 30px;
}
.book-reader .br-themes {
  border: 0;
  margin: 25px 0;
  padding: 0;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.book-reader .br-themes legend {
  margin-bottom: 14px;
}
.book-reader .br-themes label {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
}
.book-reader .br-themes input {
  accent-color: var(--br-accent);
}
.book-reader .br-settings p {
  color: var(--br-muted);
  font-size: 13px;
  line-height: 1.7;
}
.book-reader .br-error {
  padding: 20px;
  max-width: 100%;
  font:
    16px/1.6 system-ui,
    sans-serif;
}
.book-reader .br-error h2 {
  font:
    24px/1.2 Georgia,
    serif;
}

.book-reader:fullscreen,
.book-reader.br-expanded {
  width: 100%;
  height: 100%;
  max-width: none;
  overflow: auto;
  border: 0;
  margin: 0;
}
.book-reader:fullscreen .br-stage,
.book-reader.br-expanded .br-stage {
  height: calc(100dvh - 190px);
  min-height: 320px;
  max-width: 1050px;
  margin: auto;
}
.book-reader.br-expanded {
  position: fixed;
  inset: 0;
  z-index: 9999;
}
.book-reader:fullscreen .br-reader-note,
.book-reader:fullscreen .br-downloads,
.book-reader.br-expanded .br-reader-note,
.book-reader.br-expanded .br-downloads {
  display: none;
}

@media (max-width: 600px) {
  .book-reader .br-toolbar {
    padding: 10px;
    gap: 6px;
  }
  .book-reader .br-toolbar-end {
    gap: 4px;
  }
  .book-reader .br-language {
    font-size: 12px;
    min-width: 0;
    max-width: 180px;
  }
  .book-reader .br-contents-button {
    gap: 8px;
    padding: 8px;
    font-size: 12px;
  }
  .book-reader .br-stage {
    height: clamp(400px, 66svh, 700px);
    padding: 20px 22px;
  }
  .book-reader .br-section-label {
    padding-top: 10px;
  }
  .book-reader .br-page-controls {
    padding: 8px 10px;
  }
  .book-reader .br-page-controls button {
    min-width: 65px;
    padding: 8px;
  }
  .book-reader .br-nav-label {
    display: none;
  }
  .book-reader .br-flow {
    line-height: 1.65;
  }
  .book-reader .br-reader-note {
    font-size: 10px;
  }
  .book-reader .br-dialog {
    padding: 18px;
  }
  .book-reader .br-dialog h2 {
    font-size: 23px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .book-reader .br-flow,
  .book-reader .br-progress > span {
    transition: none;
  }
}

.book-reader[data-language='ar'] .br-page-controls {
  flex-direction: row-reverse;
}
.book-reader[data-language='ar'] .br-page-controls [aria-hidden='true'] {
  transform: scaleX(-1);
}

.book-reader .br-toc-modes {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
}
.book-reader .br-toc-modes [aria-pressed='true'] {
  border-color: var(--br-accent);
  color: var(--br-accent);
}