/* Book workflow uses shared landing tokens, cards, audio controls and typography. */
.audiobook-page .hero-grid > *, .book-split > * { min-width: 0; }
.audiobook-page .btn { max-width: 100%; white-space: normal; text-align: center; }
.audiobook-page section[id] { scroll-margin-top: 88px; }
.book-surface { background: var(--surface-2); }
.book-note { color: var(--muted); font-size: var(--fs-sm); margin-top: var(--s-4); }
.book-manuscript { margin: 0; padding: var(--s-6); }
.book-manuscript figcaption { display: flex; align-items: center; gap: var(--s-3); font-size: var(--fs-sm); font-weight: 700; }
.book-manuscript figcaption svg { color: var(--shell-muted); flex: none; }
.book-sheet { border-left: 2px solid var(--accent); padding-left: var(--s-5); margin: var(--s-6) 0; }
.book-sheet p { color: var(--shell-fg); font-size: var(--fs-sm); line-height: 1.85; margin-top: var(--s-4); }
.book-sheet .book-chapter-title { font-size: var(--fs-lg); font-weight: 700; }
.book-file { display: flex; gap: var(--s-3); align-items: center; flex-wrap: wrap; padding-top: var(--s-4); border-top: 1px solid color-mix(in oklch, var(--shell-fg) 15%, transparent); font-size: var(--fs-xs); color: var(--shell-muted); }
.book-file > svg { flex: none; }
.book-file a { display: inline-flex; gap: 6px; align-items: center; margin-left: auto; color: var(--shell-fg); text-decoration: underline; text-underline-offset: 4px; }
.book-manuscript-note { color: var(--shell-muted); font-size: var(--fs-xs); margin-top: var(--s-4); }
.book-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-6); padding: 0; margin: 0; list-style: none; }
.book-steps li { border-top: 1px solid var(--border); padding-top: var(--s-5); }
.book-steps h3 { font-size: var(--fs-xl); margin-bottom: var(--s-3); }
.book-steps p, .book-intro p, .book-listen > p, .book-trial p, .book-guide dd { color: var(--muted); line-height: 1.75; }
.book-split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-7); align-items: start; }
.book-intro h2, .book-related h2 { font-size: clamp(26px, 3.2vw, 38px); line-height: 1.25; letter-spacing: -.02em; margin: 0 0 var(--s-5); }
.book-intro p + p { margin-top: var(--s-4); }
.book-intro .btn { margin-top: var(--s-5); }
.book-text-link { color: var(--accent-ink); display: inline-flex; align-items: center; gap: var(--s-3); margin-top: var(--s-5); font-weight: 700; }
.book-text-link svg { flex: none; }
.book-listen h3 { font-size: var(--fs-xl); margin: 0 0 var(--s-3); }
.book-listen .scene { margin: var(--s-5) 0; }
.book-checks { display: grid; gap: var(--s-4); margin: 0; }
.book-checks dt { font-weight: 700; font-size: var(--fs-sm); }
.book-checks dd { color: var(--muted); font-size: var(--fs-sm); line-height: 1.7; margin: 4px 0 0; }
.book-card-heading { display: flex; align-items: center; gap: var(--s-3); margin-bottom: var(--s-3); }
.book-card-heading .ic { flex: none; margin-bottom: 0; }
.book-card-heading h3 { margin: 0; }
.book-limits { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-6); margin-top: var(--s-7); border-top: 1px solid var(--border); padding-top: var(--s-6); }
.book-limits h3 { font-size: var(--fs-xl); margin: 0 0 var(--s-3); }
.book-limits p { color: var(--muted); }
.book-limits dl, .book-estimates { margin: 0; }
.book-limits dl > div, .book-estimates > div { display: flex; justify-content: space-between; gap: var(--s-4); padding: var(--s-3) 0; border-bottom: 1px solid var(--border); }
.book-limits dt, .book-estimates dt { color: var(--muted); }
.book-limits dd, .book-estimates dd { margin: 0; font-weight: 700; text-align: right; }
.book-estimates { margin-top: var(--s-5); }
.book-estimates dd { color: var(--accent-ink); white-space: nowrap; }
.book-guide { display: grid; gap: var(--s-5); margin: 0; }
.book-guide > div { border-left: 2px solid var(--border); padding-left: var(--s-5); }
.book-guide dt { font-size: var(--fs-lg); font-weight: 700; margin-bottom: var(--s-3); }
.book-guide dd { margin: 0; }
.book-trial { border: 1px solid var(--border); border-radius: var(--r-xl); background: var(--surface); padding: var(--s-6); }
.book-trial h3 { font-size: var(--fs-2xl); margin: 0 0 var(--s-4); letter-spacing: -.02em; }
.book-trial .btn { margin-top: var(--s-5); }
.book-related { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-7); }
.book-related h2 { margin-bottom: 0; }
.book-related > div { display: grid; gap: var(--s-4); }
.book-related a { color: var(--accent-ink); display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); border-bottom: 1px solid var(--border); padding-bottom: var(--s-4); font-weight: 700; }
.book-related svg { flex: none; }
@media (max-width: 760px) {
  .book-split, .book-steps, .book-limits, .book-related { grid-template-columns: 1fr; gap: var(--s-6); }
  .book-manuscript, .book-trial { padding: var(--s-5); }
}
@media (max-width: 380px) {
  .book-file a { width: 100%; margin-left: 0; }
  .book-limits dl > div { flex-direction: column; gap: 4px; }
  .book-limits dd { text-align: left; }
}