.reader-shell {
  max-width: 1200px;
  padding-top: 26px;
  padding-bottom: 70px;
}
.reader-heading {
  padding: 0 0 24px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 24px;
}
.reader-heading .back {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 12px;
}
.reader-heading h1 {
  margin: 0;
  font: 600 clamp(1.7rem, 3vw, 2.6rem)/1.35 var(--serif);
}
.reader-heading > p {
  margin: 12px 0 8px;
  color: var(--muted);
  font-size: 14px;
}
.reader-heading > span {
  color: var(--muted);
  font-size: 12px;
}
.reader-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}
.reader-sidebar {
  position: sticky;
  top: 20px;
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--surface);
}
.reader-sidebar > details > summary {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}
.reader-sidebar-body {
  padding: 12px;
}
.reader-modes {
  display: flex;
  gap: 0;
  margin-bottom: 12px;
}
.reader-shell button {
  cursor: pointer;
  border: 1px solid var(--line);
  color: var(--ink);
  background: var(--surface);
  font: inherit;
}
.reader-modes button {
  flex: 1;
  padding: 8px 4px;
  font-size: 12px;
}
.reader-shell button:hover,
.reader-shell button.active {
  background: var(--panel);
  border-color: var(--accent);
}
.reader-search input {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  font: 13px var(--sans);
}
#reader-directory {
  max-height: calc(100dvh - 245px);
  overflow: auto;
  overscroll-behavior: contain;
  margin: 12px -12px 0;
  padding: 0 0 10px;
  scrollbar-width: thin;
}
.toc-chapter {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 14px;
  text-decoration: none;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.6;
  border-left: 2px solid transparent;
}
.toc-chapter span {
  flex: 0 0 24px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.toc-chapter b {
  font-weight: 400;
}
.toc-chapter:hover,
.toc-chapter.active {
  background: var(--panel);
  border-left-color: var(--accent);
}
.toc-chapter.active b {
  font-weight: 600;
}
.reader-utilities {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 9px;
}
.reader-utilities button {
  font-size: 11px;
  border: 0;
  padding: 4px;
  color: var(--muted);
}
.map-part {
  margin: 12px 0;
}
.map-part > button {
  display: flex;
  gap: 8px;
  justify-content: space-between;
  width: 100%;
  text-align: left;
  border: 0;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 600;
}
.map-part small {
  color: var(--muted);
  font-weight: 400;
}
.map-root {
  border: 0 !important;
  font-size: 12px !important;
  padding: 8px 14px;
  margin-bottom: 6px;
}
.reader-content {
  min-width: 0;
}
#reader-status {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 12px;
}
#reader-status:empty {
  display: none;
}
.reader-group {
  margin-bottom: 26px;
}
.reader-group > h2 {
  font: 600 1.2rem/1.5 var(--serif);
  margin: 0 0 14px;
}
.reader-chapter {
  border: 1px solid var(--line);
  background: var(--surface);
  margin-bottom: 8px;
  scroll-margin-top: 20px;
}
.reader-chapter > summary {
  display: flex;
  gap: 12px;
  align-items: center;
  cursor: pointer;
  list-style: none;
  padding: 16px 20px;
  font-size: 15px;
}
.reader-chapter > summary::-webkit-details-marker {
  display: none;
}
.reader-chapter > summary:after {
  content: '＋';
  margin-left: auto;
  color: var(--accent);
}
.reader-chapter[open] > summary:after {
  content: '−';
}
.reader-chapter[open] > summary {
  border-bottom: 1px solid var(--line);
}
.chapter-number {
  font: 18px var(--serif);
  color: var(--accent);
  width: 28px;
  flex-shrink: 0;
}
.reader-prose {
  padding: 4px 24px 24px;
  max-width: 820px;
  margin: auto;
}
.reading-block {
  margin: 24px 0;
}
.reading-block p {
  margin: 0.65em 0 0;
  white-space: normal;
  overflow-wrap: anywhere;
  text-indent: 2em;
}
.reading-block p + p {
  margin-top: 0.7em;
}
.reading-block p:last-child {
  margin-bottom: 0;
}
.block-label {
  font: 11px var(--sans);
  color: var(--muted);
}
.reading-block.original {
  padding: 14px 18px;
  background: var(--panel);
  border-left: 2px solid var(--accent);
}
.original p {
  font: 500 19px/1.9 var(--serif);
  color: var(--ink);
}
.translation,
.reflection {
  padding: 0 18px;
}
.translation p {
  font: 16px/2 var(--sans);
  color: var(--muted);
  text-align: justify;
}
.reflection p {
  font: 16px/2 var(--sans);
  color: var(--ink);
  text-align: justify;
}
.reader-footer a {
  color: var(--muted);
}
.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 28px;
}
.book-card {
  display: block;
  text-decoration: none;
  color: var(--ink);
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.book-card h2 {
  font: 600 1.8rem var(--serif);
}
.book-card > p:not(.eyebrow),
.book-card span {
  color: var(--muted);
}
.book-card b {
  display: block;
  margin-top: 20px;
  font-size: 13px;
}
.reader-shell:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
@media (max-width: 800px) {
  .reader-layout {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .reader-sidebar {
    position: static;
  }
  .reader-sidebar > details > summary:after {
    content: '＋';
    float: right;
    color: var(--accent);
  }
  .reader-sidebar > details[open] > summary:after {
    content: '−';
  }
  #reader-directory {
    max-height: 280px;
  }
  .reader-heading {
    padding-bottom: 18px;
    margin-bottom: 18px;
  }
  .reader-prose {
    padding: 4px 14px 20px;
  }
  .reading-block.original {
    padding: 12px;
  }
  .translation,
  .reflection {
    padding: 0 12px;
  }
  .original p {
    font-size: 18px;
  }
  .reader-shell {
    padding-top: 20px;
  }
  .site-header {
    height: auto;
    min-height: 76px;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 14px;
    padding-bottom: 14px;
  }
  .site-header nav {
    gap: 15px;
  }
}