@font-face { font-family: QinghuaBook; src: url('assets/qinghua-book-regular.ttf?v=80ba39deaa') format('truetype'); font-weight: 400; font-display: swap; }
@font-face { font-family: QinghuaBook; src: url('assets/qinghua-book-bold.ttf?v=ac6f828e61') format('truetype'); font-weight: 700; font-display: swap; }
.reading { --book-font: QinghuaBook, var(--serif); --book-ink: #29464e; --book-rule: #a6ada0; }
/* Readable in document order first; native horizontal pages enhance all sizes. */
.reading .reading-intro { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 22px 34px; margin: 0 0 34px; align-items: start; }
.reading .section-title { grid-column: 2; grid-row: 1 / 3; writing-mode: vertical-rl; font-family: var(--book-font); font-size: 40px; line-height: 1.4; letter-spacing: 6px; padding-left: 22px; border-left: 1px solid var(--book-rule); }
.reading .reading-intro > p { grid-column: 1; font-size: 13px; color: #536166; line-height: 2; margin: 0; text-align: right; justify-self: end; }
.reading-contents { grid-column: 1; display: flex; flex-direction: row-reverse; justify-content: flex-start; gap: clamp(22px, 4vw, 58px); padding: 18px 0; border-block: 1px solid var(--book-rule); }
.reading-contents a { display: block; writing-mode: vertical-rl; text-orientation: upright; font-family: var(--book-font); font-size: 18px; letter-spacing: 2px; line-height: 1.7; padding: 0 4px; text-underline-offset: 7px; }
.reading-contents a > span { color: #586967; font-size: 13px; margin-inline-end: .7em; }
.reading-contents a:hover, .reading-contents a[aria-current='true'] { text-decoration: underline; }
.reading .citation-word { font-weight: 700; color: inherit; }
.citation-reference { font-size: .68em; line-height: 1; vertical-align: super; margin-left: .12em; }
.citation-reference a { font-weight: 700; padding: .15em; text-decoration: none; }
.citation-reference a:hover { text-decoration: underline; text-underline-offset: 3px; }
.lyric-reader { position: relative; scroll-margin-top: 24px; border: 1px solid #6f7c76; background: #f7f0de; padding: 28px; color: var(--book-ink); }
.lyric-reader::before { content: ""; position: absolute; inset: 7px; border: 1px solid #c5c1ac; pointer-events: none; }
.lyric-passage { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 8%; padding: 32px 0 44px; border-top: 1px solid var(--line); scroll-margin-top: 24px; }
.lyric-passage > *, .reader-analysis { min-width: 0; }
.passage-heading { display: flex; flex-direction: row-reverse; align-items: flex-start; gap: 10px; border-left: 1px solid var(--book-rule); padding-left: 18px; margin-left: 24px; }
.passage-lyrics h3 { writing-mode: vertical-rl; text-orientation: upright; font-family: var(--book-font); font-size: 21px; line-height: 1.55; font-weight: 400; letter-spacing: 3px; margin: 0; }
.passage-lyrics h3 > span { color: #586967; margin-inline-end: .8em; font-size: 14px; }
.reading .passage-location { writing-mode: vertical-rl; text-orientation: upright; font-family: var(--book-font); font-size: 12px; color: #536166; line-height: 1.8; margin: 0; letter-spacing: 2px; }
.passage-lyrics { --lyric-height: 460px; overflow-x: auto; max-width: 100%; }
.lyric-reader:not([data-mode='horizontal']) .passage-lyrics { direction: rtl; }
.passage-lyrics blockquote { writing-mode: vertical-rl; text-orientation: upright; direction: ltr; inline-size: var(--lyric-height); block-size: max-content; margin: 0; padding: 0; }
.reading .lyric-stanza { font-family: var(--book-font); font-size: 22px; line-height: 2.05; color: var(--book-ink); letter-spacing: 1px; margin: 0; margin-block-end: 32px; }
.reading .lyric-stanza:last-child { margin-block-end: 0; }
.lyric-line { display: block; white-space: nowrap; }
.lyric-line .citation-reference { display: inline-block; writing-mode: horizontal-tb; text-orientation: mixed; font-size: .55em; margin: 0; }
.reader-explanation h3 { font-family: var(--book-font); font-weight: 400; font-size: 24px; line-height: 1.6; letter-spacing: 1px; margin: 0 0 12px; text-wrap: balance; }
.reading .reader-explanation p { font-size: 15px; line-height: 2; color: #34494e; letter-spacing: .2px; margin: 0 0 18px; }
.reading .reader-explanation .reading-basis { font-family: var(--book-font); font-size: 13px; color: #536166; line-height: 1.9; letter-spacing: 1px; margin-bottom: 20px; }
.reading .reader-explanation .source-note { font-size: 14px; color: var(--book-ink); line-height: 2; margin-bottom: 18px; }
.source-links { border-top: 1px solid var(--book-rule); padding: 14px 0 0; margin: 24px 0 0; list-style: none; }
.source-links li { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 8px; font-size: 12px; line-height: 2; margin: 0 0 12px; scroll-margin-top: 24px; }
.source-number { font-weight: 700; font-variant-numeric: tabular-nums; }
.source-links a { font-size: 12px; line-height: 1.9; text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 4px; }
.source-links a:hover { text-decoration-color: currentColor; }
.reader-analysis[hidden], .reader-explanation[hidden], .reader-controls[hidden], .reader-instruction[hidden] { display: none; }
.lyric-reader[data-mode='horizontal'] { display: grid; grid-template-columns: minmax(0, .84fr) minmax(0, 1.16fr); grid-template-areas: "notes verses"; gap: 30px; align-items: start; }
.lyric-pages { grid-area: verses; min-width: 0; }
.lyric-reader[data-mode='horizontal'] .lyrics-track { position: relative; display: flex; align-items: flex-start; direction: rtl; gap: 32px; overflow-x: auto; overflow-y: hidden; scroll-snap-type: x mandatory; overscroll-behavior-x: contain; scrollbar-color: #71867c #e9e2ce; scrollbar-width: thin; border: 0; }
.lyric-reader[data-mode='horizontal'] .lyrics-track:focus-visible { outline: 2px solid var(--red); outline-offset: 5px; }
.lyric-reader[data-mode='horizontal'] .lyric-passage { flex: 0 0 auto; width: max-content; min-width: 100%; display: block; direction: ltr; padding: 8px 10px 20px 4px; border: 0; scroll-snap-align: start; }
.lyric-reader[data-mode='horizontal'] .passage-lyrics { width: max-content; min-width: 100%; max-width: none; overflow: visible; display: flex; flex-direction: row-reverse; justify-content: flex-start; align-items: flex-start; }
.lyric-reader[data-mode='horizontal'] .lyric-passage[data-current='true'] h3 { color: var(--deep); }
.lyric-reader[data-mode='horizontal'] .reader-analysis { grid-area: notes; padding: 8px 26px 12px 0; border-right: 1px solid var(--book-rule); }
.reader-controls { display: flex; align-items: center; justify-content: space-between; direction: rtl; gap: 16px; border-top: 1px solid var(--book-rule); margin-top: 14px; padding-top: 8px; }
.reader-controls button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 8px 4px; border: 0; background: transparent; color: var(--book-ink); font-family: var(--book-font); font-size: 16px; line-height: 1.8; cursor: pointer; }
.reader-controls button { direction: ltr; }
.reader-controls button svg { width: 22px; height: 22px; flex: none; }
#reader-next svg { transform: rotate(180deg); }
.reader-controls button:hover { text-decoration: underline; text-underline-offset: 5px; }
.reader-controls button:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }
.reader-controls button[aria-disabled='true'] { color: #788a9c; cursor: default; text-decoration: none; }
#reader-position { direction: ltr; unicode-bidi: isolate; font-family: var(--book-font); font-size: 14px; color: #536166; font-variant-numeric: tabular-nums; }
.reading .reader-status { font-family: var(--book-font); font-size: 14px; letter-spacing: 2px; line-height: 1.9; color: #536166; margin: 0 0 24px; }
@media (max-width: 959px) {
  .reading .reading-intro { gap: 18px 22px; }
  .lyric-passage { grid-template-columns: 1fr; gap: 32px; }
  .lyric-reader[data-mode='horizontal'] { grid-template-columns: 1fr; grid-template-areas: "verses" "notes"; gap: 28px; }
  .lyric-reader[data-mode='horizontal'] .reader-analysis { border-right: 0; border-top: 1px solid var(--book-rule); padding: 24px 0 0; }
  .reader-explanation { max-width: 680px; }

}
@media (max-width: 540px) {
  .reading .section-title { font-size: 30px; padding-left: 14px; letter-spacing: 4px; }
  .reading-contents { gap: 11px; justify-content: space-between; padding-block: 14px; }
  .reading-contents a { font-size: 16px; padding: 0; letter-spacing: 1px; }
  .reading-contents a > span { font-size: 11px; }
  .reading .reading-intro > p { font-size: 12px; letter-spacing: 0; }
  .lyric-reader { padding: 20px 14px; }
  .lyric-reader::before { inset: 5px; }
  .lyric-passage { padding: 28px 0 36px; }
  .passage-lyrics { --lyric-height: 390px; }
  .passage-heading { padding-left: 14px; margin-left: 18px; gap: 8px; }
  .passage-lyrics h3 { font-size: 19px; letter-spacing: 2px; }
  .reading .passage-location { font-size: 11px; }
  .reading .lyric-stanza { font-size: 18.5px; line-height: 2.05; letter-spacing: 1px; margin-block-end: 24px; }
  .reader-explanation h3 { font-size: 23px; }
  .reading .reader-explanation p { font-size: 16px; letter-spacing: 0; }
}
@media (max-width: 359px) {
  .reading .reading-intro { gap: 16px 12px; }
  .reading .section-title { font-size: 28px; padding-left: 10px; }
  .reading-contents { gap: 7px; }
  .reading-contents a { font-size: 14px; }
}
@media print {
  .lyric-reader { border: 0; background: transparent; padding: 0; }
  .lyric-reader::before { display: none; }
  .passage-heading { border: 0; margin: 0 0 16px; padding: 0; }
  .passage-lyrics h3, .reading .passage-location { writing-mode: horizontal-tb; }
  .reader-controls, .reader-instruction { display: none; }
  .passage-lyrics { overflow: visible; }
  .passage-lyrics blockquote { writing-mode: horizontal-tb; inline-size: auto; block-size: auto; }
  .lyric-line { white-space: normal; }
}

.reading .reading-art-note { font-family: var(--book-font); font-size: 15px; line-height: 2; letter-spacing: 1.5px; color: #536166; text-align: right; text-wrap: balance; margin: 24px 12px 0; }
@media (max-width: 540px) { .reading .reading-art-note { font-size: 14px; letter-spacing: 1px; margin-top: 20px; } }