.book-page { background: #f2eee7; }
.book-landing { position: relative; overflow: hidden; min-height: 900px; display: grid; align-items: start; padding: 40px 0 75px; color: #fff; background: radial-gradient(circle at 78% 46%, #542235 0, #260b16 56%, #13060b 100%); }
.book-landing-orbit { position: absolute; width: 720px; height: 720px; right: -250px; top: -200px; border: 1px solid rgba(234,211,164,.14); border-radius: 50%; box-shadow: 0 0 0 95px rgba(234,211,164,.035), 0 0 0 190px rgba(234,211,164,.02); }
.book-landing-inner { position: relative; }
.book-sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0; }
.book-opening-visuals { display: grid; grid-template-columns: minmax(280px, .76fr) minmax(440px, 1.24fr); gap: clamp(45px, 5.2vw, 82px); align-items: start; }
.book-status { color: #d4aa62; font-size: 9px; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }
.book-note-column { min-width: 0; }
.book-cover-stage .house-actions { justify-content: center; margin-top: 25px; }
.book-landing button { cursor: pointer; }
.book-continue { padding: 0 0 5px; color: #ead3a4; border: 0; border-bottom: 1px solid currentColor; background: transparent; font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.book-review-note { max-width: 610px; margin-top: 30px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.15); color: rgba(255,255,255,.55); font-size: 12px; }
.book-review-note strong { color: #ead3a4; }
.book-cover-stage { position: relative; }
.book-cover-stage > p { margin: 23px 0 0; color: rgba(255,255,255,.42); font-size: 8px; font-weight: 800; letter-spacing: .2em; text-align: center; text-transform: uppercase; }
.book-cover-composition { display: flex; justify-content: flex-start; }
.book-cover { position: relative; aspect-ratio: .72; width: 100%; max-width: 330px; overflow: hidden; box-shadow: -13px 20px 70px rgba(0,0,0,.5), inset 12px 0 16px rgba(0,0,0,.25); transform: perspective(1200px) rotateY(-7deg); transform-origin: right center; }
.book-cover::before { content: ''; position: absolute; z-index: 3; inset: 0 auto 0 0; width: 17px; background: linear-gradient(90deg, rgba(0,0,0,.55), rgba(255,255,255,.08), rgba(0,0,0,.2)); }
.book-cover img { width: 100%; height: 100%; object-fit: cover; }
.book-cover-veil { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(24,5,12,.18), rgba(24,5,12,.78)); }
.book-cover-copy { position: absolute; inset: auto 38px 65px; color: #fff; }
.book-cover-copy small { color: #ead3a4; font-size: 9px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.book-cover-copy strong { display: block; margin-top: 18px; font-family: Georgia, serif; font-size: 42px; font-weight: 400; line-height: .93; letter-spacing: -.035em; }
.book-cover-copy p { margin: 16px 0 0; color: rgba(255,255,255,.62); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.book-margin-note { position: relative; aspect-ratio: 17 / 21; width: min(100%, 610px); margin: 0; overflow: hidden; color: #35272b; border: 1px solid rgba(234,211,164,.3); background: #e9e0cf; box-shadow: 13px 18px 48px rgba(0,0,0,.36); transform: rotate(.35deg); }
.book-margin-note img { position: absolute; inset: 0; width: 100%; height: 100%; display: block; object-fit: cover; }
.book-note-binding { position: absolute; z-index: 3; top: 7px; left: 8%; right: 8%; height: 23px; opacity: .72; background: radial-gradient(ellipse at center, transparent 38%, #66564e 41% 50%, rgba(255,255,255,.45) 52% 55%, transparent 57%) 0 0 / 27px 23px repeat-x; filter: drop-shadow(0 2px 1px rgba(58,42,36,.22)); pointer-events: none; }
.book-note-pencil { position: absolute; z-index: 4; top: 12%; right: -16%; width: 38%; height: 11px; opacity: .76; border-radius: 2px 5px 5px 2px; background: linear-gradient(90deg, #eadcc7 0 8%, #d1b079 8% 82%, #e2d8c9 82% 91%, #625b59 91%); box-shadow: 0 3px 5px rgba(53,42,37,.2); clip-path: polygon(0 50%, 8% 0, 100% 0, 100% 100%, 8% 100%); transform: rotate(-13deg); transform-origin: center; pointer-events: none; }
.book-margin-note::after { content: ''; position: absolute; z-index: 1; inset: 2.5%; border: 1px solid rgba(87,61,51,.1); pointer-events: none; }
.book-margin-note blockquote { position: absolute; z-index: 2; inset: 4%; display: flex; flex-direction: column; justify-content: center; gap: clamp(7px, .9vw, 12px); margin: 0; padding: 6% 8.5%; color: #514945; border: 0; background: rgba(242,235,220,.84); box-shadow: 0 10px 28px rgba(67,42,39,.09); font-family: 'Bradley Hand', 'Chalkboard SE', 'Segoe Print', cursive; font-size: clamp(13.5px, 1.13vw, 17px); font-style: italic; font-weight: 400; letter-spacing: .004em; line-height: 1.36; text-align: left; text-shadow: 0 0 .45px rgba(55,48,45,.45); }
.book-margin-note blockquote p { margin: 0; }
.book-margin-note blockquote p:nth-child(odd) { transform: rotate(-.12deg); }
.book-margin-note blockquote p:nth-child(even) { transform: rotate(.1deg); }
.book-margin-note blockquote strong { color: #6a243a; font-weight: 700; }

.book-reader { padding: 110px 0 130px; background: #e8e2d9; }
.book-reader-head { display: grid; grid-template-columns: 1fr 360px; gap: 80px; align-items: end; margin-bottom: 50px; }
.book-reader-head h2 { max-width: 740px; margin: 0; color: #211619; font-size: clamp(45px, 5.7vw, 76px); }
.book-reader-head > p { color: #6f6663; font-size: 12px; }
.book-reader-shell { display: grid; grid-template-columns: 270px minmax(0, 1fr); min-height: 720px; color: #211619; background: #fbf8f2; box-shadow: 0 35px 90px rgba(35,21,26,.13); transition: color .25s ease, background .25s ease; }
.book-reader-shell[data-book-theme='warm'] { background: #efe2c7; color: #33251e; }
.book-reader-shell[data-book-theme='night'] { background: #171315; color: #e9e3db; }
.book-contents { padding: 38px 28px; border-right: 1px solid rgba(60,40,45,.15); background: rgba(69,26,41,.045); }
.book-contents-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 20px; border-bottom: 1px solid currentColor; }
.book-contents-head p { margin: 0; font-family: Georgia, serif; font-size: 24px; }
.book-contents-head span { color: #8b777b; font-size: 9px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.book-contents ol { margin: 22px 0 0; padding: 0; list-style: none; }
.book-contents button { width: 100%; display: grid; grid-template-columns: 48px 1fr; padding: 10px 0; color: inherit; border: 0; background: transparent; text-align: left; font-family: Georgia, serif; font-size: 14px; cursor: pointer; opacity: .56; transition: opacity .2s ease, transform .2s ease; }
.book-contents button span { font-family: Arial, sans-serif; font-size: 8px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.book-contents button:hover, .book-contents button:focus-visible, .book-contents li.is-current button { opacity: 1; transform: translateX(4px); }
.book-reading-space { min-width: 0; display: grid; grid-template-rows: auto 1fr auto; }
.book-tools { min-height: 75px; display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 15px 38px; border-bottom: 1px solid rgba(60,40,45,.13); font-size: 9px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.book-tools label { display: flex; align-items: center; gap: 13px; }
.book-tools input { width: 95px; accent-color: #5a142c; }
.book-tools label span { font-family: Georgia, serif; font-size: 18px; }
.book-tools fieldset { display: flex; gap: 5px; margin: 0; padding: 0; border: 0; }
.book-tools legend { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.book-tools fieldset button { padding: 8px 10px; color: inherit; border: 1px solid rgba(60,40,45,.2); background: transparent; font-size: 8px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; cursor: pointer; }
.book-tools fieldset button.is-active { color: #fff; border-color: #5a142c; background: #5a142c; }
.book-pages { position: relative; min-height: 520px; overflow: hidden; }
.book-sheet { display: none; max-width: 760px; margin: 0 auto; padding: 65px 65px 55px; transform-origin: left center; }
.book-sheet.is-current { display: block; animation: book-page-in .48s cubic-bezier(.22,1,.36,1); }
.book-sheet.is-reversing { transform-origin: right center; }
.book-sheet-status { margin-bottom: 45px; color: #96743a; font-family: Arial, sans-serif; font-size: 8px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.book-sheet h3 { margin: 0 0 42px; font-family: Georgia, serif; font-size: clamp(48px, 5vw, 68px); line-height: 1; }
.book-sheet .book-chapter-deck { max-width: 560px; margin: -26px 0 42px; color: #8d776e; font-family: Arial, sans-serif; font-size: 11px; font-weight: 700; line-height: 1.55; letter-spacing: .08em; text-indent: 0; text-transform: uppercase; }
.book-sheet p { margin-bottom: 1.45em; font-family: Georgia, serif; font-size: var(--book-copy-size, 18px); line-height: 1.78; }
.book-sheet p:not(.book-sheet-status) + p { text-indent: 1.5em; }
.book-sheet .book-opening { font-size: calc(var(--book-copy-size, 18px) + 3px); line-height: 1.65; text-indent: 0 !important; }
.book-sheet .book-opening::first-letter { float: left; margin: .08em .11em 0 0; color: #5a142c; font-size: 3.45em; line-height: .75; }
.book-meaning-passage { margin: 36px 0; padding: 26px 30px; border-left: 2px solid #b88a45; background: rgba(117,78,42,.07); }
.book-meaning-passage p { margin: 0; font-size: calc(var(--book-copy-size, 18px) - 1px); line-height: 1.65; text-indent: 0 !important; }
.book-meaning-passage p + p { margin-top: 13px; color: #7d5c2d; font-style: italic; }
.book-meaning-passage [lang='ar'] { font-family: Georgia, 'Times New Roman', serif; font-size: 1.08em; }
.book-reader-shell[data-book-theme='night'] .book-sheet-status { color: #d3aa62; }
.book-reader-shell[data-book-theme='night'] .book-chapter-deck { color: #beafa9; }
.book-reader-shell[data-book-theme='night'] .book-meaning-passage { border-left-color: #d3aa62; background: rgba(255,255,255,.05); }
.book-reader-shell[data-book-theme='night'] .book-meaning-passage p + p { color: #d3aa62; }
.book-reader-shell[data-book-theme='night'] .book-sheet .book-opening::first-letter { color: #d3aa62; }
.book-page-controls { min-height: 72px; display: grid; grid-template-columns: 130px 1fr 130px; align-items: center; gap: 28px; padding: 10px 38px; border-top: 1px solid rgba(60,40,45,.13); }
.book-page-controls button { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; color: inherit; border: 0; background: transparent; font-size: 9px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; cursor: pointer; }
.book-page-controls button:disabled { opacity: .25; cursor: default; }
.book-page-controls > div { height: 2px; overflow: hidden; background: rgba(83,45,57,.15); }
.book-page-controls > div span { display: block; width: 10%; height: 100%; background: #8b263f; transition: width .35s ease; }
@keyframes book-page-in { from { opacity: 0; transform: perspective(1000px) rotateY(5deg) translateX(22px); } to { opacity: 1; transform: none; } }

@media (max-width: 900px) {
  .book-opening-visuals { grid-template-columns: 1fr; gap: 55px; }
  .book-margin-note { width: min(100%, 610px); }
  .book-cover-composition { max-width: 430px; margin-inline: auto; }
  .book-cover-stage > p { max-width: 430px; margin-inline: auto; }
  .book-reader-head { grid-template-columns: 1fr; gap: 22px; }
  .book-reader-shell { grid-template-columns: minmax(0, 1fr); max-width: 100%; overflow: hidden; }
  .book-contents { min-width: 0; max-width: 100%; overflow: hidden; border-right: 0; border-bottom: 1px solid rgba(60,40,45,.15); }
  .book-contents ol { width: 100%; display: flex; gap: 10px; overflow-x: auto; padding-bottom: 10px; }
  .book-contents li { min-width: 145px; }
}

@media (max-width: 640px) {
  .book-landing { padding: 105px 0 70px; }
  .book-cover { max-width: 310px; }
  .book-cover-composition { max-width: 310px; }
  .book-cover-stage > p { max-width: 310px; }
  .book-margin-note { width: 100%; transform: rotate(-.25deg); }
  .book-note-pencil { top: 11%; right: -18%; width: 42%; height: 9px; }
  .book-margin-note blockquote { inset: 3%; gap: 5px; padding: 5% 6.5%; overflow: hidden; font-size: clamp(12px, 3.25vw, 13.2px); line-height: 1.31; }
  .book-cover-stage .house-actions { margin-top: 22px; }
  .book-reader { padding: 75px 0; }
  .book-reader-shell { width: 100%; }
  .book-contents { padding: 25px 18px; }
  .book-tools { display: grid; padding: 18px; }
  .book-sheet { padding: 45px 24px 38px; }
  .book-sheet h3 { margin-bottom: 32px; font-size: 48px; }
  .book-meaning-passage { padding: 20px; }
  .book-page-controls { grid-template-columns: 92px 1fr 92px; gap: 12px; padding-inline: 18px; }
  .book-page-controls button { font-size: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .book-sheet.is-current { animation: none; }
}