:root {
  --bg:#111617; --ink:#e0ded4; --muted:#9ba5a2; --line:#b4c4bd26; --accent:#adbbb0;
  --page-ratio:1.41436464; --turn-shade:0;
  color-scheme:dark; font-family:Arial,Helvetica,sans-serif; color:var(--ink); background:var(--bg); font-synthesis:none;
}
*{box-sizing:border-box}
body{margin:0;min-width:320px}
button,a,input{-webkit-tap-highlight-color:transparent}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
button:disabled{opacity:.25;cursor:default}
button:focus-visible,a:focus-visible,input:focus-visible,.book:focus-visible{outline:2px solid #cfdbcb;outline-offset:5px}
a{color:inherit;text-decoration:none}
svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.icon-sprite{position:absolute;width:0;height:0;overflow:hidden}
[hidden]{display:none!important}

/* The reader lives in the same charcoal, dust and blue-grey light as the artwork. */
.app{position:relative;isolation:isolate;height:100svh;min-height:680px;display:flex;flex-direction:column;padding:0 52px;overflow:hidden;background:#101516}
.atmosphere{position:absolute;inset:0;z-index:-1;overflow:hidden;pointer-events:none;background:radial-gradient(ellipse at 51% 34%,#3d4948 0,#20292a 47%,#0c1112 100%)}
.scene-backdrop{position:absolute;inset:-9%;background:url('assets/page-01.jpg') center 47%/cover;opacity:.17;filter:grayscale(.6) blur(2px);transform:scale(1.04);mask-image:linear-gradient(#0008,#000 40%,#0009 72%,transparent)}
.atmosphere::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 48%,transparent 15%,#090e10aa 100%),linear-gradient(0deg,#0c1113d9 0,transparent 45%,#0c111555 100%)}
.window-light{position:absolute;left:15%;top:-50%;width:70%;height:155%;background:linear-gradient(120deg,transparent 30%,#c5e2e512 36%,#b5cdd706 57%,transparent 60%);transform:rotate(-13deg);filter:blur(16px)}
.grain{position:absolute;inset:0;opacity:.08;mix-blend-mode:screen;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' opacity='.55' filter='url(%23n)'/%3E%3C/svg%3E")}
.topbar{height:120px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line);flex-shrink:0;position:relative}
.topbar::after{content:'';position:absolute;bottom:-1px;left:0;width:100px;height:1px;background:#d6d8c994}
.brand{display:flex;align-items:center;gap:18px}
.brand-icon{position:relative;width:27px;height:39px;display:block;transform:skewY(-7deg);border:1px solid #bdc7b852;border-right-width:3px;box-shadow:inset 6px 0 12px #e0e4cc10,5px 5px 0 #0004}
.brand-icon span{position:absolute;background:#b1c3bd55;left:4px;right:4px;height:1px;top:12px;transform:rotate(-10deg)}
.brand-icon span+span{top:22px;transform:rotate(6deg)}
.brand strong{font:normal 43px/.98 Georgia,'Times New Roman',serif;letter-spacing:-1.4px;display:block;text-shadow:1px 1px #000,0 2px 17px #b4c6c020}
.brand-sub{font-size:8px;letter-spacing:2.7px;display:block;margin-top:12px;color:#a7b6b1}
.edition-note{font:15px/1.5 Georgia,'Times New Roman',serif;color:#c3c7bd;text-align:center}
.edition-note .author-separator{display:inline-block;color:#697873;margin:0 6px}
.edition-caption{display:block;font:9px/1.5 Arial,Helvetica,sans-serif;letter-spacing:1.8px;text-transform:uppercase;margin-top:6px;color:#899c97}
.top-actions{display:flex;align-items:center;gap:20px}
.text-button,.quiet-button{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:12px;white-space:nowrap;min-height:40px;padding:8px 6px;transition:color .2s}
.text-button svg{width:19px;height:19px}
.text-button:hover:not(:disabled),.quiet-button:hover{color:#fff9e8}
.icon-button{display:grid;place-items:center;width:40px;height:40px;flex-shrink:0;border-radius:3px;transition:background .2s,color .2s}
.icon-button:hover:not(:disabled){background:#a9bcb317;color:#fff7e5}
.separator{display:block;height:22px;width:1px;background:var(--line)}
.reader{flex:1;display:flex;flex-direction:column;min-height:0}
.stage-top{display:flex;justify-content:space-between;align-items:center;height:57px;flex-shrink:0;padding-top:10px}
.eyebrow{font-size:9px;letter-spacing:2.1px;color:var(--muted);font-weight:500;display:inline-flex;align-items:center;gap:9px}
.chapter-mark{width:5px;height:5px;background:#abb6a4;transform:rotate(45deg);box-shadow:0 0 12px #d8e7bf55}
.stage-counter{margin-left:10px;color:#72817e;font-size:9px;letter-spacing:1.8px;font-variant-numeric:tabular-nums}
.quiet-button{color:#9caaa5;font-size:11px;min-height:30px}
.quiet-button svg{width:15px;height:15px}
.stage{position:relative;min-height:260px;flex:1;display:flex;align-items:center;justify-content:center;padding:38px 52px 42px;perspective:2400px}
.ambient-shadow{position:absolute;width:86%;height:60%;background:#000;opacity:.5;filter:blur(32px);border-radius:50%;left:7%;bottom:4%;pointer-events:none}
.book-container{position:relative;width:min(100%,1540px);aspect-ratio:2.82872928;perspective:2400px;margin:auto;flex-shrink:0}
.book{position:relative;width:100%;height:100%;transform-style:preserve-3d;touch-action:pan-y;user-select:none;-webkit-user-select:none;outline:0;cursor:grab}
.book-cover{position:absolute;inset:-4px -6px -11px;background:linear-gradient(100deg,#1d211f,#42463e 48.7%,#070a0a 50%,#333b33 51.5%,#161c1a);border:1px solid #6a76614d;border-radius:2px 2px 3px 3px;box-shadow:0 3px 3px #0008,0 18px 28px #0008,0 45px 70px #0007;transform:translateZ(-4px);pointer-events:none}
.paper-block{position:absolute;top:1px;bottom:-6px;width:50%;background:repeating-linear-gradient(to bottom,#585c51 0px,#aaa99a 1px,#757969 2px);pointer-events:none;border-radius:1px;box-shadow:0 2px 3px #0005}
.left-block{left:-2px;transform:skewY(-.18deg)}
.right-block{right:-2px;transform:skewY(.18deg)}
.base-leaf{position:absolute;top:0;height:100%;width:50%;overflow:hidden;background:#222723}
.left-leaf{left:0;border-radius:1px 0 0 1px}
.right-leaf{right:0;border-radius:0 1px 1px 0}
.base-leaf img,.flip-face img{display:block;width:100%;height:100%;object-fit:fill;pointer-events:none}
.paper-light{position:absolute;inset:0;pointer-events:none}
.left-leaf .paper-light{background:linear-gradient(90deg,#ffffff04 0%,transparent 3%,transparent 87%,#ffffff09 93%,#0002 99%,#0007 100%)}
.right-leaf .paper-light{background:linear-gradient(90deg,#0008 0%,#0002 2%,#ffffff09 7%,transparent 13%,transparent 98%,#ffffff04 100%)}
.gutter{position:absolute;top:0;bottom:0;left:calc(50% - 1px);width:2px;background:#060a08;opacity:.65;pointer-events:none;z-index:4}
.page-curl{position:absolute;z-index:12;pointer-events:none;transform:translateZ(1px)}
.flipper{position:absolute;top:0;width:50%;height:100%;transform-style:preserve-3d;z-index:10;will-change:transform;pointer-events:none}
.flipper.forward{left:50%;transform-origin:left center}
.flipper.backward{left:0;transform-origin:right center}
.flip-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow:hidden;background:#262824}
.flip-front{transform:rotateY(0deg) translateZ(.15px)}
.flip-back{transform:rotateY(180deg) translateZ(.15px)}
.flip-shade{position:absolute;inset:0;pointer-events:none;opacity:var(--turn-shade);background:linear-gradient(90deg,#000b,#ffffff08 35%,#0004)}
.backward .flip-shade{background:linear-gradient(-90deg,#000b,#ffffff08 35%,#0004)}
.turning .gutter{opacity:.25}
.turning .leaf-zoom{opacity:0;pointer-events:none}
.leaf-zoom{position:absolute;bottom:12px;z-index:5;width:32px;height:32px;display:grid;place-items:center;background:#101a1bba;backdrop-filter:blur(8px);border:1px solid #d2dfd247;border-radius:50%;opacity:0;transition:opacity .2s,background .2s;color:#e0e2d5;cursor:zoom-in}
.leaf-zoom:hover{background:#233737eb}
.leaf-zoom svg{width:16px;height:16px}
.zoom-left{left:13px}.zoom-right{right:13px}
.book:hover .leaf-zoom,.book:focus-within .leaf-zoom{opacity:1}
.stage-arrow{position:absolute;top:50%;transform:translateY(-75%);height:50px;width:37px;z-index:20;border:1px solid #a5b9ac32;background:#111b1c4d;border-radius:2px;display:grid;place-items:center;transition:background .2s,border-color .2s}
.stage-arrow:hover:not(:disabled){background:#33433b9c;border-color:#a6b9a780}
.stage-arrow.prev{left:-5px}.stage-arrow.next{right:-5px}
.stage-arrow svg{width:19px;height:19px}
.reader-toolbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;min-height:63px;gap:18px;width:100%;max-width:1150px;margin:0 auto;position:relative}
.mode-switch{display:flex;justify-self:start;border:1px solid #b9c6ba28;border-radius:3px;padding:3px;gap:2px;background:#10171977}
.mode-switch button{display:flex;align-items:center;gap:7px;font-size:11px;padding:8px 11px;min-height:33px;border-radius:1px;color:#9eaaa2}
.mode-switch svg{width:19px;height:19px}
.mode-switch button[aria-pressed=true]{background:#899b8526;color:#e6e9da;box-shadow:inset 0 0 0 1px #b0c4a726}
.pagination{display:flex;align-items:center;gap:15px}
.page-count{min-width:118px;text-align:center;line-height:1.4}
.page-count strong{font:22px/1.3 Georgia,'Times New Roman',serif;letter-spacing:1.4px;font-weight:normal;display:block;color:#e6e5d8}
.page-count span{font-size:9px;color:#9eaca3;letter-spacing:1.4px}
.detail-button{justify-self:end;color:#c1cbc0}
.progress-wrap{position:relative;width:min(340px,45%);height:22px;margin:7px auto 0;display:flex;align-items:center}
.progress-wrap::before{content:'';position:absolute;left:0;right:0;top:10px;height:1px;background:#9fae9a37}
.progress-fill{position:absolute;left:0;top:10px;height:1px;width:20%;background:#bac6ad;pointer-events:none;transition:width .6s}
.progress-wrap input{appearance:none;-webkit-appearance:none;width:100%;background:transparent;cursor:pointer;height:22px;margin:0;z-index:1}
.progress-wrap input::-webkit-slider-runnable-track{height:1px;background:transparent}
.progress-wrap input::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:7px;height:7px;border-radius:0;transform:rotate(45deg);background:#c4cfb6;margin-top:-3px;box-shadow:0 0 0 4px #1b2424,0 0 12px #c5d6ad33}
.progress-wrap input::-moz-range-track{height:1px;background:transparent}
.progress-wrap input::-moz-range-thumb{width:7px;height:7px;border:0;background:#c4cfb6;border-radius:0}
.reader-hint{font-size:10px;color:#91a09a;text-align:center;margin:10px 0 23px;line-height:1.8}
.hint-dot{display:inline-block;margin:0 12px;color:#546963}
kbd{display:inline-block;font:10px/1.3 Arial,sans-serif;min-width:20px;padding:3px 4px;border:1px solid #94ab913d;border-radius:2px;text-align:center;margin-left:3px;color:#bdc7b4}
.hint-mobile{display:none}
.footer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #b4c4bd1d;height:53px;flex-shrink:0;color:#8d9e96;font-size:10px}
.footer>span:first-child{font-size:9px;letter-spacing:2.3px;color:#bac6b5}
.footer-index{font-size:9px;letter-spacing:1.5px}
.single-view .book-container{aspect-ratio:1.41436464;max-width:930px}
.single-view .left-leaf{width:100%;border-radius:1px}
.single-view .right-leaf,.single-view .gutter,.single-view .right-block,.single-view .zoom-right{display:none}
.single-view .left-block{width:100%}
.single-view .left-leaf .paper-light{background:linear-gradient(90deg,#0003 0%,transparent 4%,transparent 98%,#ffffff04 100%)}
.single-view .zoom-left{left:auto;right:13px}
.single-view .flipper{width:100%}
.single-view .flipper.forward{left:0;transform-origin:left center}
.single-view .flipper.backward{left:0;transform-origin:right center}
.single-view .stage{padding-top:22px}
.single-view .book-cover{inset:-4px -5px -9px}
.book.grabbing,.book.grabbing *{cursor:grabbing!important}
.app.focus-mode .topbar,.app.focus-mode .stage-top,.app.focus-mode .footer{display:none}
.app.focus-mode .stage{padding-top:60px}
.focus-exit{display:none;position:fixed;top:14px;right:22px;z-index:30;background:#172325eb;border:1px solid #aec2ab52;border-radius:3px;padding:8px 13px}
.app.focus-mode .focus-exit{display:inline-flex}

/* Quiet, ink-dark overlays keep the artwork in focus. */
dialog{color:var(--ink);border:1px solid #829b8240;border-radius:4px;background:linear-gradient(145deg,#293533,#141d1e);box-shadow:0 24px 100px #000b;padding:30px;max-height:90svh}
dialog::backdrop{background:#070e10da;backdrop-filter:blur(9px)}
.pages-dialog{width:min(1100px,calc(100% - 48px))}
.dialog-header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:28px}
.dialog-header h2{font:32px/1.2 Georgia,'Times New Roman',serif;margin:9px 0 0;font-weight:normal;letter-spacing:-.5px}
.dialog-header .icon-button{align-self:flex-start}
.thumbnail-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:23px 17px}
.thumbnail{padding:0;text-align:left;position:relative;transition:transform .2s}
.thumbnail:hover{transform:translateY(-4px)}
.thumbnail img{display:block;width:100%;height:auto;aspect-ratio:1.41436464;object-fit:cover;border-radius:1px;box-shadow:0 4px 14px #0008}
.thumbnail[aria-current=true] img{outline:1px solid #c1d3ad;outline-offset:4px}
.thumbnail span{display:block;font:12px Georgia,'Times New Roman',serif;margin-top:11px;color:#9eafa4}
.thumbnail[aria-current=true] span{color:#dde7cb}
.dialog-note{font-size:11px;color:#a1b1a6;margin:25px 0 0;line-height:1.8}
.zoom-dialog{max-width:none;max-height:none;width:100vw;height:100svh;margin:0;padding:0;border:0;border-radius:0;background:#0a1113;color:#e5e7de;overflow:hidden}
.zoom-dialog[open]{display:flex;flex-direction:column}
.zoom-header{height:70px;padding:0 32px;display:flex;justify-content:space-between;align-items:center;flex-shrink:0;border-bottom:1px solid #ffffff12;background:#111a1c;z-index:3}
.zoom-page-label{font-size:12px;letter-spacing:.5px}
.zoom-tools{display:flex;align-items:center;gap:7px}
.zoom-tools .separator{background:#ffffff25;margin:0 10px}
.zoom-tools .icon-button:hover:not(:disabled){background:#ffffff15}
.zoom-reset{min-width:62px;height:40px;color:#bac9bc;font-size:12px;font-variant-numeric:tabular-nums}
.zoom-viewport{flex:1;min-height:0;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;touch-action:none;cursor:zoom-in}
.zoom-viewport img{max-width:calc(100% - 72px);max-height:calc(100% - 36px);width:auto;height:auto;object-fit:contain;display:block;user-select:none;pointer-events:none;transform-origin:center;will-change:transform;box-shadow:0 12px 70px #0009}
.zoom-viewport.is-zoomed{cursor:grab}.zoom-viewport.is-dragging{cursor:grabbing}
.zoom-footer{height:62px;display:flex;align-items:center;justify-content:space-between;padding:0 30px;flex-shrink:0;border-top:1px solid #ffffff12;background:#111a1c;z-index:3}
.zoom-footer .text-button:hover{color:#fff}
.zoom-hint{font-size:10px;color:#9cac9e}
.help-dialog{width:min(510px,calc(100% - 32px));padding:26px}
.help-dialog .dialog-header h2{font-size:28px;margin:0}
.help-rows p{display:flex;justify-content:space-between;align-items:center;gap:18px;font-size:11px;margin:0;padding:14px 0;border-bottom:1px solid var(--line);line-height:1.6}
.help-rows p>span:last-child{color:#a3b3a7;text-align:right}
.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,15px);background:#d2dbca;color:#18251c;font-size:12px;padding:12px 20px;border-radius:3px;opacity:0;pointer-events:none;transition:.2s;z-index:100}
.toast.visible{transform:translate(-50%,0);opacity:1}
.noscript{position:fixed;bottom:0;left:0;right:0;padding:20px;background:#1e3028;text-align:center;z-index:200}

@media(min-height:1000px){.stage{padding-bottom:55px}.topbar{height:132px}.reader-hint{margin-bottom:33px}}
@media(max-width:1000px){.app{padding:0 30px}.stage{padding-left:42px;padding-right:42px}.reader-toolbar{gap:12px}.mode-switch button{padding:7px 8px}.pagination{gap:3px}.thumbnail-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.edition-note{display:none}}
@media(max-width:680px){
 .app{padding:0 18px;min-height:575px}
 .topbar{height:95px;gap:10px}.brand-icon{display:none}.brand{gap:10px}.brand strong{font-size:36px}.brand-sub{font-size:7px;letter-spacing:2px;margin-top:9px}
 .top-actions{gap:5px}.top-actions .separator,.top-actions .text-button span{display:none}.top-actions .text-button{width:36px}
 .stage-top{height:49px;padding-top:8px}.eyebrow{font-size:8px;letter-spacing:1.6px}.stage-counter{font-size:8px;margin-left:2px;letter-spacing:1px}
 .stage{padding:22px 0 35px;min-height:230px}.stage-arrow{display:none}.book-container{width:100%}.single-view .stage{padding-top:22px}
 .reader-toolbar{grid-template-columns:1fr auto 1fr;gap:3px;min-height:55px}.mode-switch{gap:0}.mode-switch button{min-height:31px;padding:6px}.mode-switch button span{display:none}
 .pagination{gap:0}.pagination .icon-button{width:30px}.page-count{min-width:89px}.page-count strong{font-size:18px}
 .detail-button{width:37px;height:38px;min-height:0;justify-self:end;border:1px solid var(--line);border-radius:3px}.detail-button span{display:none}.detail-button svg{width:20px;height:20px}
 .leaf-zoom{opacity:.85;width:30px;height:30px;bottom:10px}.single-view .zoom-left{right:10px}
 .progress-wrap{width:55%;margin-top:10px}.reader-hint{font-size:9px;margin:10px -2px 22px}.hint-desktop{display:none}.hint-mobile{display:inline}
 .footer{height:49px;font-size:9px}.footer>span:first-child{font-size:8px;letter-spacing:1.4px}.footer-index{display:none}.footer>span:nth-child(2){font-size:8px}
 .pages-dialog{width:calc(100% - 20px);padding:20px;max-height:92svh}.dialog-header{margin-bottom:24px}.dialog-header h2{font-size:27px}.thumbnail-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 15px}
 .zoom-header{height:61px;padding:0 13px}.zoom-page-label{font-size:10px;max-width:110px}.zoom-tools{gap:1px}.zoom-tools .icon-button{width:34px}.zoom-tools .separator{margin:0 4px}.zoom-reset{min-width:50px;font-size:11px}
 .zoom-viewport img{max-width:calc(100% - 20px);max-height:calc(100% - 24px)}.zoom-footer{padding:0 15px;height:59px}.zoom-hint{display:none}.zoom-footer .text-button{font-size:11px}
 .help-dialog{padding:21px}.help-rows p{font-size:10px}.ambient-shadow{bottom:21%}.app.focus-mode .stage{padding-top:65px}.focus-exit{right:16px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}