/* First Reading is an edition, not another estate microsite.
   Screen typography, pagination and page turns form an independent reading room.
   The full unabridged source stays in accessible HTML, including without JS. */
:root {
  color-scheme: light;
  --book-paper:#f4f0e7;
  --book-outer:#ddd8cf;
  --book-ink:#26241f;
  --book-muted:#777168;
  --book-rule:#c7c1b6;
  --book-accent:#7a5a35;
  --book-text-size:1.13rem;
  --leaf-width: min(100%, 720px);
}
* { box-sizing:border-box; }
html { -webkit-text-size-adjust:100%; }
body.book-app { background:var(--book-paper); color:var(--book-ink); margin:0; font-family: Iowan Old Style, Charter, Georgia, serif; }
button,a { -webkit-tap-highlight-color:transparent; }
button {font:inherit;}
a {color:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,.book-viewport:focus-visible {outline:2px solid var(--book-accent); outline-offset:3px;}
.book-skip {position:absolute;left:12px;top:-100px;background:var(--book-paper);padding:1rem;z-index:60;}
.book-skip:focus {top:10px;}
.book-toolbar { min-height:62px; width:100%;padding:8px max(18px,env(safe-area-inset-left)) 8px max(18px,env(safe-area-inset-right)); display:grid;grid-template-columns:1fr 1fr 1fr; align-items:center; border-bottom:1px solid var(--book-rule); background:var(--book-paper); color:var(--book-ink);gap:12px;}
.book-back {display:inline-flex;align-items:center;gap:.55rem;width:max-content;max-width:100%;text-decoration:none;font:500 .77rem/1.2 system-ui,sans-serif;letter-spacing:.02em;}
.book-back span:first-child{font-size:1.3rem;}
.book-identity { display:flex;justify-content:center;align-items:center;gap:.5rem;white-space:nowrap;font:600 .65rem/1.4 ui-monospace,Menlo,monospace;letter-spacing:.16em;}
.book-symbol{font-size:1.1rem;line-height:1;}
.book-tools {display:flex;justify-content:flex-end;gap:.4rem;}
.book-tools button{border:1px solid transparent;border-radius:4px;padding:.55rem .75rem;background:none;color:var(--book-ink);font:500 .76rem system-ui,sans-serif;cursor:pointer;}
.book-tools button:hover,.book-tools button:focus-visible{border-color:var(--book-rule);}
.book-main {min-height:calc(100svh - 137px);padding:1rem max(8px,env(safe-area-inset-left)) 1rem max(8px,env(safe-area-inset-right));background:var(--book-outer);}
.book-leaf-frame {max-width:800px;margin:auto;min-height:calc(100svh - 170px);background:var(--book-paper);box-shadow:0 1px 10px rgb(0 0 0 / .06);}
.book-viewport{height:calc(100svh - 171px);min-height:320px;overflow:auto;overscroll-behavior-x:contain;scrollbar-width:none;}
.book-viewport::-webkit-scrollbar{display:none;}
.book-flow{padding:clamp(25px,5vw,56px);width:100%;}
.book-cover,.book-preface,.book-chapter,.book-end{margin-bottom:5rem;}
.book-cover{min-height:66vh;display:flex;flex-direction:column;justify-content:space-between;}
.book-cover-top{display:flex;justify-content:space-between;gap:1rem;font:600 .59rem/1.7 ui-monospace,Menlo,monospace;letter-spacing:.18em;border-bottom:1px solid var(--book-rule);padding-bottom:.8rem;}
.book-cover-center{padding-block:3rem 2rem;text-align:center;}
.cover-mark{font-size:2.3rem;color:var(--book-accent);}
.book-imprint{font:.62rem/1.8 ui-monospace,Menlo,monospace;letter-spacing:.17em;margin:1.6rem auto;}
.book-cover h1{font-weight:400;font-size:clamp(4rem,9vw,6.7rem);line-height:.99;letter-spacing:-.06em;margin:0 0 2rem;}
.book-cover h1 span{color:var(--book-accent);}
.book-cover-subtitle{font-size:clamp(1.14rem,2.2vw,1.5rem);line-height:1.4;max-width:22ch;margin:auto;}
.book-cover-foot{border-top:1px solid var(--book-rule);padding-top:.8rem;font:.63rem/2 ui-monospace,Menlo,monospace;letter-spacing:.07em;}
.book-ordinal{display:flex;justify-content:space-between;gap:1rem;color:var(--book-muted);font:600 .64rem/1.5 ui-monospace,Menlo,monospace;letter-spacing:.12em;text-transform:uppercase;}
.book-preface,.book-chapter,.book-end{max-width:64ch;margin-inline:auto;}
.book-preface h2,.book-end h2{font-weight:400;line-height:1.08;font-size:clamp(2.5rem,6vw,4.8rem);letter-spacing:-.04em;}
.book-preface p:not(.book-ordinal),.book-end p{font-size:var(--book-text-size);line-height:1.7;}
.book-preface-note{margin-top:3rem;border-top:1px solid var(--book-rule);padding-top:1rem;color:var(--book-muted);font: .69rem/1.9 ui-monospace,Menlo,monospace!important;letter-spacing:.05em;}
.book-chapter-heading{break-inside:avoid;page-break-inside:avoid;padding-bottom:1.3rem;}
.book-chapter-heading h2{font-weight:400;font-size:clamp(2.25rem,5.4vw,4.45rem);line-height:1.11;letter-spacing:-.043em;margin:1.25rem 0 1rem;overflow-wrap:anywhere;}
.book-chapter-meta{font:.66rem/1.6 ui-monospace,Menlo,monospace;letter-spacing:.075em;color:var(--book-muted);}
.book-chapter-meta span{margin-inline:.5rem;}
.book-prose{font-size:var(--book-text-size);line-height:1.78;hyphens:auto;overflow-wrap:break-word;}
.book-prose p{margin:0 0 1.1em;orphans:2;widows:2;}
.book-image-sequence{margin:1rem 0 2.4rem;}
.book-image-sequence .reading-image-sequence{display:block!important;break-inside:auto;border:0;margin:0;padding:0;}
.book-image-sequence .reading-original-figure{break-inside:avoid;page-break-inside:avoid; margin:0 auto 1.5rem;min-width:0;}
.book-image-sequence .reading-original-figure img{display:block;width:auto;height:auto;max-width:100%;max-height:36vh;margin:0 auto;object-fit:contain;object-position:center;}
.book-image-sequence .reading-original-figure figcaption{margin:.6rem 0 0;color:var(--book-muted);font:.59rem/1.5 ui-monospace,Menlo,monospace;text-align:center;}
.book-source-note{border-top:1px solid var(--book-rule);padding-top:1rem;margin-top:3rem;color:var(--book-muted);font:.62rem/1.6 ui-monospace,Menlo,monospace;letter-spacing:.05em;}
.book-end{min-height:58vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;}
.book-end a{text-decoration:none;border-bottom:1px solid var(--book-accent);padding-bottom:5px;}
.book-pagination{min-height:75px;background:var(--book-paper);display:grid;grid-template-columns:1fr minmax(150px,400px) 1fr;gap:12px;align-items:center;padding:8px max(15px,env(safe-area-inset-left)) 8px max(15px,env(safe-area-inset-right));border-top:1px solid var(--book-rule);}
.book-pagination button{padding:.75rem .9rem;background:none;border:0;color:var(--book-ink);font:.77rem system-ui,sans-serif;display:flex;gap:.6rem;align-items:center;cursor:pointer;}
.book-pagination #book-next{justify-self:end;}
.book-pagination button:disabled{opacity:.24;cursor:default;}
.book-progress{display:flex;flex-direction:column;gap:.4rem;align-items:center;min-width:0;color:var(--book-muted);font:.61rem/1.4 ui-monospace,Menlo,monospace;letter-spacing:.06em;}
#book-location{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;text-align:center;color:var(--book-ink);}
.book-progress-track{height:2px;width:100%;background:var(--book-rule);overflow:hidden;}
#book-progress-fill{height:100%;background:var(--book-accent);display:block;width:0;}
.book-dialog{border:1px solid var(--book-rule);background:var(--book-paper);color:var(--book-ink);box-shadow:0 8px 50px rgb(0 0 0 / .16);padding:1.25rem clamp(1rem,4vw,2.5rem);max-height:calc(100dvh - 32px);width:min(640px,calc(100vw - 32px));}
.book-dialog::backdrop{background:rgb(26 23 18 / .67);}
.book-dialog-head{display:flex;align-items:start;justify-content:space-between;gap:12px;border-bottom:1px solid var(--book-rule);padding-bottom:1rem;}
.book-dialog-head small{font:.61rem/1.5 ui-monospace,Menlo,monospace;letter-spacing:.14em;color:var(--book-muted);}
.book-dialog-head h2{margin:.2rem 0 0;font-size:2.2rem;font-weight:400;letter-spacing:-.04em;}
.book-dialog-head button{font-size:2rem;border:0;background:none;color:var(--book-ink);cursor:pointer;}
.book-contents-dialog nav{max-height:62vh;overflow:auto;margin-top:1.2rem;}
.book-toc-list{list-style:none;margin:0;padding:0;}
.book-toc-list li{margin:0;border-bottom:1px solid var(--book-rule);}
.book-toc-list a{display:grid;grid-template-columns:2.8rem minmax(0,1fr) 4.5rem;align-items:baseline;text-decoration:none;gap:.6rem;padding:.72rem .2rem;}
.book-toc-list a:hover,.book-toc-list a[aria-current="location"]{color:var(--book-accent);}
.toc-number,.toc-voice{font:.68rem ui-monospace,Menlo,monospace;color:var(--book-muted);}
.toc-title{font:1.05rem Georgia,serif;}
.book-toc-list .toc-voice{text-align:right;}
.book-appearance-dialog{width:min(440px,calc(100vw - 32px));}
.book-type-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:2rem 0;}
.book-type-row span,.book-theme-control legend{font:.78rem system-ui,sans-serif;}
.book-adjust{display:flex;align-items:center;gap:.55rem;}
.book-adjust button{background:none;border:1px solid var(--book-rule);width:3rem;height:2.8rem;cursor:pointer;color:var(--book-ink);}
.book-adjust output{min-width:3rem;text-align:center;font:.67rem ui-monospace,Menlo,monospace;}
.book-theme-control{display:flex;gap:1.5rem;border:0;border-top:1px solid var(--book-rule);padding:1.5rem 0;}
.book-theme-control legend{padding-top:1.1rem;}
.book-theme-control label{font:.85rem system-ui,sans-serif;}
.book-appearance-dialog p{color:var(--book-muted);font-size:.85rem;line-height:1.65;}
body.book-app[data-book-theme="night"] {--book-paper:#201e1b;--book-outer:#151412;--book-ink:#ede8db;--book-muted:#b2aa9e;--book-rule:#49453d;--book-accent:#d2b078;color-scheme:dark;}
@media (max-width:600px) {
  .book-toolbar{grid-template-columns:1fr auto 1fr;min-height:54px;padding:6px 12px;}
  .book-identity{font-size:.55rem;}
  .book-back{font-size:.72rem;}
  .book-tools{gap:0;}
  .book-tools button{font-size:.7rem;padding:.5rem;}
  .book-main{min-height:calc(100svh - 119px);padding:0;}
  .book-leaf-frame{box-shadow:none;min-height:calc(100svh - 119px);}
  .book-viewport{height:calc(100svh - 120px);min-height:280px;}
  .book-flow{padding:1.35rem 1.5rem;}
  .book-pagination{min-height:65px;grid-template-columns:55px minmax(0,1fr) 55px;gap:7px;}
  .book-pagination button{padding:.65rem .2rem;}
  .book-pagination button span:last-child:not(:first-child){display:none;}
  .book-pagination #book-next span:first-child{display:none;}
  .book-cover h1{font-size:3.9rem;}
  .book-image-sequence .reading-original-figure img{max-height:35vh;}
}
@media print {
 .book-toolbar,.book-pagination,.book-dialog{display:none!important;}
 .book-main{padding:0;background:white;}
 .book-leaf-frame,.book-viewport{height:auto!important;max-height:none;overflow:visible;box-shadow:none;}
 .book-flow{height:auto!important;columns:auto!important;padding:0;}
 .book-cover,.book-preface,.book-chapter,.book-end{break-before:page;page-break-before:always;}
 .book-image-sequence .reading-original-figure img{max-height:16cm;}
}
@media(prefers-reduced-motion:reduce){.book-viewport{scroll-behavior:auto!important;}}
/* Each image is an indivisible page object. Browser column fragmentation must
   never separate an image from its caption or cause a crop. */
.book-opener-art,.book-art-leaf{min-width:0;}
.book-opener-art figure,.book-art-leaf figure{margin:0;break-inside:avoid;}
.book-opener-art img,.book-art-leaf img{
  display:block;margin:0 auto;width:auto;height:auto;max-width:100%;object-fit:contain;
}
.book-opener-art img{max-height:36vh;}
.book-art-leaf img{max-height:65vh;}
.book-opener-art figcaption,.book-art-leaf figcaption{
  margin-top:.55rem;color:var(--book-muted);font:.6rem/1.5 ui-monospace,Menlo,monospace;text-align:center;
}
.book-chapter-text{max-width:64ch;margin:0 auto 5rem;}
@media(max-width:600px){.book-opener-art img{max-height:32vh}.book-art-leaf img{max-height:55vh}}
@media print{
 .book-chapter-text,.book-art-leaf{break-before:page;page-break-before:always;}
}

.book-source-note a{color:var(--book-accent);text-decoration:none;border-bottom:1px solid var(--book-rule);margin-left:.7rem;}

/* =============================================================
   LINOTYPE — measured Druckfahnen / A-series paper
   This supersedes browser multicolumn pagination. Each accepted sheet
   has fixed, auditable bounds; spreads only appear at viable widths.
   ============================================================= */
body.book-app.reader-ready .book-main,
body.book-app.linotype-boot .book-main {
  padding:10px 8px; display:flex; justify-content:center; align-items:center;
  overflow:hidden; min-height:calc(100svh - 137px);
}
body.book-app.reader-ready .book-leaf-frame,
body.book-app.linotype-boot .book-leaf-frame {
  max-width:none; width:100%; min-height:0; background:none;
  box-shadow:none; display:flex; align-items:center; justify-content:center;
}
body.book-app.reader-ready .book-viewport,
body.book-app.linotype-boot .book-viewport {
  width:100%; height:calc(100svh - 157px); min-height:360px;
  overflow:hidden; position:relative; display:flex; align-items:center;
  justify-content:center;
}
body.book-app.reader-ready .book-flow,
body.book-app.linotype-boot .book-flow { display:none; }
.linotype-stage {
  --sheet-w:490px; --sheet-h:693px; --sheet-gutter:18px;
  width:var(--stage-base-w); height:var(--sheet-h); display:flex; gap:var(--sheet-gutter);
  justify-content:center; align-items:center; min-width:0; position:relative;
  transform:scale(var(--sheet-scale));transform-origin:center;flex:0 0 auto;
}
.linotype-stage[data-mode="measure"] {
  width:var(--sheet-w);height:auto;position:absolute;
  left:-100000px;top:0;display:flex;flex-direction:column;
  align-items:stretch;justify-content:flex-start;gap:0;
  opacity:0;pointer-events:none;transform:none;
}
.linotype-blank {
  width:var(--sheet-w); height:var(--sheet-h); flex:0 0 var(--sheet-w);
}
.linotype-sheet {
  width:var(--sheet-w); height:var(--sheet-h); flex:0 0 var(--sheet-w);
  padding:var(--sheet-inset-y) var(--sheet-side);
  display:flex; flex-direction:column; min-width:0;min-height:0;
  background:var(--book-paper);color:var(--book-ink);
  box-shadow:0 2px 13px rgb(0 0 0 / .10);
  font-kerning:normal;
  font-feature-settings:"kern" 1, "liga" 1, "onum" 1;
  text-rendering:optimizeLegibility;
  position:relative; overflow:visible;
}
.linotype-stage[data-mode="spread"] .linotype-sheet[data-verso="left"] {
  box-shadow:-5px 2px 10px rgb(0 0 0 / .08), inset -9px 0 14px -16px rgb(0 0 0 /.3);
}
.linotype-stage[data-mode="spread"] .linotype-sheet[data-verso="right"] {
  box-shadow:5px 2px 10px rgb(0 0 0 / .08), inset 9px 0 14px -16px rgb(0 0 0 /.3);
}
.linotype-running,.linotype-folio {
  display:flex; justify-content:space-between; flex:none;
  color:var(--book-muted);font:500 9px/1.25 ui-monospace,Menlo,monospace;
  letter-spacing:.09em;white-space:nowrap;
}
.linotype-running {min-height:14px;padding-bottom:8px;border-bottom:1px solid var(--book-rule);}
.linotype-folio {min-height:14px;padding-top:9px;border-top:1px solid var(--book-rule);margin-top:8px;}
.linotype-area {
  flex:1 1 0%; min-width:0;min-height:0;
  overflow:visible; position:relative;
}
.linotype-text .linotype-area {
  font-family:"Iowan Old Style","Palatino Linotype",Palatino,Charter,Georgia,serif;
  font-size:var(--sheet-font);line-height:1.49;
  letter-spacing:.001em;
  hyphens:auto;overflow-wrap:break-word;
  font-variant-numeric:oldstyle-nums;
}
.linotype-text .linotype-area p {
  margin:0 0 .76em;
  orphans:3;widows:3;
  max-width:100%; font-size:inherit;line-height:inherit;
  text-align:left;
}
.linotype-text .book-source-note {
  border-top:1px solid var(--book-rule);
  padding-top:.6rem;margin-top:1.1rem;
  font:9px/1.5 ui-monospace,Menlo,monospace;
  color:var(--book-muted);
}
.linotype-sheet .linotype-content {
  margin:0;max-width:none;min-height:0;
  width:100%;height:auto;max-height:100%;
}
.linotype-cover .linotype-area,.linotype-end .linotype-area {
  display:flex;align-items:stretch;justify-content:center;
}
.linotype-cover .linotype-content,.linotype-end .linotype-content {
  height:100%;min-height:0;display:flex;flex-direction:column;
  justify-content:space-between;
}
.linotype-cover .book-cover-center{padding:clamp(12px,2vh,22px) 0;}
.linotype-cover .book-cover h1,.linotype-cover h1{
  font-size:clamp(38px,calc(var(--sheet-w) * .115),68px);
  margin:0 0 .45em;letter-spacing:-.045em;line-height:1.01;
  overflow-wrap:break-word;
}
.linotype-cover .book-cover-subtitle{
  font-size:clamp(15px,calc(var(--sheet-w) * .041),22px);
}
.linotype-cover .book-cover-top{
  font-size:8px;letter-spacing:.06em;
}
.linotype-cover .book-imprint {font-size:9px;margin:.7rem 0;}
.linotype-cover .book-cover-foot {font-size:9px;}
.linotype-cover .cover-mark,.linotype-end .cover-mark{font-size:clamp(25px,7vh,48px);}
.linotype-preface .linotype-area{
  font-size:var(--sheet-font);
  line-height:1.5;
}
.linotype-preface .book-preface h2{font-size:clamp(28px,calc(var(--sheet-w) * .08),43px);margin:.6em 0;}
.linotype-preface .linotype-area>p {
  font-family:"Iowan Old Style",Palatino,Georgia,serif;
  font-size:inherit;line-height:1.5;margin:0 0 .85em;
}
.linotype-preface .linotype-content p:not(.book-ordinal) {
  font-size:inherit;line-height:1.5;margin:0 0 .9em;
}
.linotype-preface .book-preface-note{
  font-size:9px!important;line-height:1.5!important;
}
.linotype-opener .linotype-area {
  display:flex;flex-direction:column;gap:clamp(10px,2.4vh,24px);
}
.linotype-opener .book-chapter-heading{
  flex:none; min-height:0; margin:0;padding:0;
}
.linotype-opener .book-chapter-heading h2{
  font:400 clamp(21px,calc(var(--sheet-w) * .066),41px)/1.11
    "Iowan Old Style",Palatino,Georgia,serif;
  letter-spacing:-.035em; margin:.25em 0 .3em;
  overflow-wrap:anywhere;
}
.linotype-opener .book-chapter-meta{margin:0;line-height:1.35;font-size:9px;}
.linotype-opener .book-ordinal{font-size:9px;line-height:1.3;}
.linotype-plate .linotype-area,.linotype-opener .linotype-image-frame{
  display:flex;min-height:0;
}
.linotype-plate .linotype-area{align-items:center;justify-content:center;}
.linotype-image-frame {
  width:100%;flex:1 1 auto;min-height:0;
  display:flex;align-items:center;justify-content:center;
}
.linotype-image-frame figure {
  margin:0; padding:clamp(5px,1.2vh,12px);
  width:100%;max-width:100%;min-width:0;
  display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:7px;
  border:1px solid var(--book-rule);
  box-shadow:inset 0 0 0 4px color-mix(in srgb,var(--book-rule) 10%,transparent);
  break-inside:avoid;
}
.linotype-image-frame[data-aspect="landscape"] figure{
  max-width:100%;aspect-ratio:1.618 / 1; /* Golden surrounding frame */
}
.linotype-image-frame[data-aspect="portrait"] figure{
  max-width:min(100%,calc(var(--sheet-w) * .67));
  aspect-ratio:1 / 1.618;
}
.linotype-image-frame img {
  display:block;width:auto;height:auto;max-width:100%;
  object-fit:contain;object-position:center;min-height:0;
}
.linotype-image-frame figcaption{
  margin:0;max-width:100%;text-align:center;
  color:var(--book-muted);font:9px/1.35 ui-monospace,Menlo,monospace;
  overflow-wrap:anywhere;
}
.linotype-end .book-end h2{font-size:clamp(26px,calc(var(--sheet-w)*.072),45px);}
.linotype-end .book-end{min-height:0;height:100%;margin:0;}
body.book-app.reader-ready .book-main{height:calc(100svh - 137px);}
body.book-app.reader-ready .book-pagination{height:75px;}
@media(max-width:600px) {
 body.book-app.reader-ready .book-main{height:calc(100svh - 119px);padding:4px;}
 body.book-app.reader-ready .book-viewport{height:calc(100svh - 127px);}
 .linotype-sheet{box-shadow:0 1px 8px rgb(0 0 0 / .08);}
 .linotype-running,.linotype-folio{font-size:8px;}
}
@media print {
 .linotype-stage{display:none!important;}
 .book-app.reader-ready .book-flow{display:block!important;}
 .book-app.reader-ready .book-leaf-frame,.book-app.reader-ready .book-viewport {
   display:block!important;overflow:visible!important;height:auto!important;
 }
}
@media(max-width:600px) {
 body.book-app.linotype-boot .book-main {height:calc(100svh - 119px);padding:4px;min-height:0;}
 body.book-app.linotype-boot .book-viewport {height:calc(100svh - 127px);}
}
body.book-app.reader-ready .book-main,body.book-app.linotype-boot .book-main{min-height:0;}
/* The proof workbench is a vertical stack: its flex basis must use sheet
   HEIGHT, while the visible spread's horizontal flex basis uses sheet WIDTH. */
.linotype-stage[data-mode="measure"] .linotype-sheet{flex:0 0 var(--sheet-h);}
@media (max-width:600px){
 body.book-app.reader-ready .book-pagination{height:65px;min-height:65px;}
}

/* Independent press proof. The author chooses when to approve the edition. */
.book-tools .book-proof-link{align-self:center;text-decoration:none;padding:.55rem .65rem;font:500 .75rem system-ui,sans-serif;border-bottom:1px solid var(--book-rule);white-space:nowrap;}
@media(max-width:600px){.book-tools .book-proof-link{font-size:.65rem;padding:.35rem;}}

/* Linotype typographic register: editorial provenance is subsidiary to prose.
   Specificity intentionally exceeds .linotype-text .linotype-area p,
   which otherwise enlarged the source note to full running-text size. */
.linotype-text .linotype-area p.book-source-note{
  margin-top:1.05em;
  margin-bottom:.65em;
  padding-top:.65em;
  border-top:1px solid var(--book-rule);
  color:var(--book-muted);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:clamp(9px,calc(var(--sheet-font) * .57),10.8px);
  font-weight:400;
  line-height:1.55;
  letter-spacing:.025em;
  text-align:left;
  font-variant-numeric:tabular-nums;
  hyphens:none;
  overflow-wrap:break-word;
}
.linotype-text .linotype-area p.book-source-note a{
  display:inline-block;
  margin-left:.4em;
  font-size:inherit;
  line-height:inherit;
  letter-spacing:inherit;
  white-space:nowrap;
}
/* Page-turn effects are decorative overlays, never pagination authority.
   The finished page underneath exists and remains interactive. */
.linotype-turn-ghost{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:3;
  pointer-events:none;
  overflow:visible;
  will-change:transform,opacity;
  transform-style:preserve-3d;
  perspective:1100px;
}
.linotype-turn-ghost .linotype-stage{
  pointer-events:none;
  flex:0 0 auto;
}

/* Fountain Press: a touch-controlled paper proof, not a WebKit scroll.
   The manuscript remains stationary until the release threshold accepts it. */
.book-app.reader-ready .book-viewport{
  touch-action:pan-y;
}
.linotype-drag-preview{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  pointer-events:none;
  z-index:4;
  perspective:1300px;
  overflow:hidden;
  isolation:isolate;
}
.linotype-drag-incoming,.linotype-drag-outgoing{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  pointer-events:none;
  transform-style:preserve-3d;
  will-change:transform,opacity;
}
.linotype-drag-incoming{opacity:.74;z-index:1;}
.linotype-drag-outgoing{
  opacity:1;
  z-index:2;
  backface-visibility:hidden;
}
.linotype-drag-preview .linotype-stage{
  flex:0 0 auto;
  pointer-events:none;
}
.linotype-drag-fold{
  position:absolute;
  top:0;
  right:9%;
  bottom:0;
  width:15%;
  opacity:0;
  background:linear-gradient(90deg,transparent,rgba(51,43,29,.09),rgba(255,254,249,.18));
  pointer-events:none;
  mix-blend-mode:multiply;
}
body[data-turn-motion="drag"] .book-viewport{
  cursor:grabbing;
}
@media(prefers-reduced-motion:reduce){
 .linotype-drag-preview,.linotype-turn-ghost{display:none!important;}
}

/* An opaque page genuinely covers the next page until it is lifted.
   The real accepted leaves are hidden only during the temporary paper proof,
   avoiding layered, translucent duplicate text on tablet spreads. */
.linotype-drag-preview{background:transparent;}
.linotype-drag-incoming{opacity:1;}
.linotype-drag-outgoing{opacity:1;backface-visibility:visible;}
.linotype-drag-fold{
  right:0;
  width:19%;
  background:linear-gradient(90deg,transparent 0%,rgba(46,38,25,.11) 55%,rgba(255,253,247,.32) 100%);
}
/* In a two-page spread the hinge is the leaf's spine, not the spread itself. */
.linotype-drag-outgoing .linotype-stage{
  transform-style:preserve-3d;
  perspective:1100px;
}
.linotype-drag-outgoing .linotype-sheet{
  transform-style:preserve-3d;
  backface-visibility:hidden;
  will-change:transform;
}
.linotype-drag-fold{
  z-index:1;
  right:0;
  top:0;
  bottom:0;
  height:100%;
}

/* Paper slide, not a wooden hinge. No perspective, no 3D page rotation.
   A subtle shaded vertical roll travels with the sliding sheet. */
.linotype-drag-preview,
.linotype-drag-outgoing .linotype-stage,
.linotype-drag-outgoing .linotype-sheet{
  perspective:none;
  transform-style:flat;
}
.linotype-drag-outgoing .linotype-sheet{
  backface-visibility:visible;
  box-shadow:0 3px 12px rgba(46,38,25,.14);
}
.linotype-drag-fold{
  top:0;
  bottom:0;
  height:100%;
  right:0;
  width:clamp(18px,5.5%,39px);
  opacity:.12;
  background:linear-gradient(90deg,transparent 0%,rgba(48,40,29,.025) 32%,rgba(48,40,29,.105) 73%,rgba(251,249,240,.48) 100%);
  mix-blend-mode:normal;
  pointer-events:none;
}
.linotype-sheet[data-paper-direction="previous"] .linotype-drag-fold{
  right:auto;
  left:0;
  background:linear-gradient(90deg,rgba(251,249,240,.48),rgba(48,40,29,.105) 27%,rgba(48,40,29,.025) 68%,transparent);
}


/* Typographic line-break admission for the independent Linotype reader.
   Use real interword spaces; never invent a hyphen within an author's word.
   Protect short concluding phrases from orphan punctuation and one-word
   stranded closing lines. All source text remains byte-identical. */
.linotype-text .linotype-area,
.linotype-text .linotype-area p{
  hyphens:none;
  -webkit-hyphens:none;
  word-break:normal;
  overflow-wrap:normal;
  text-wrap:pretty;
}
.linotype-text .linotype-area .linotype-keep-tail{
  white-space:nowrap;
  hyphens:none;
  word-break:keep-all;
}

/* VERGIL — standing prologue, a system-persona prompt set as literary material.
   Its internal newlines are intentional. Never turn source instruction into bullets. */
.book-vergil .vergil-imprint{
  font:600 .64rem/1.7 ui-monospace,Menlo,monospace;
  color:var(--book-muted);letter-spacing:.13em;
  border-bottom:1px solid var(--book-rule);padding-bottom:1.1em;margin-bottom:2em;
}
.book-vergil .vergil-block{
  white-space:pre-line;
  text-wrap:pretty;
  overflow-wrap:break-word;
  orphans:3;widows:3;
}
.book-vergil .vergil-mantra,
.book-vergil .vergil-credo,
.book-vergil .vergil-cadence,
.book-vergil .vergil-registers{
  font-style:normal;
  font-family:"Iowan Old Style",Palatino,Georgia,serif;
  padding:.45em 0 .45em 1.6em;
  border-left:1px solid var(--book-accent);
  line-height:1.8;
  letter-spacing:.008em;
}
.book-vergil .vergil-credo{font-style:italic;border-left-width:2px}
.book-vergil .vergil-mantra{margin-block:1.8em 2.1em}
.linotype-preface[data-source-id="book-vergil"] .linotype-area>p.vergil-block{
  font-size:var(--sheet-font);
  line-height:1.55;
  white-space:pre-line;
  margin:0 0 1.05em;
}
.linotype-preface[data-source-id="book-vergil"] .linotype-area>p.vergil-mantra,
.linotype-preface[data-source-id="book-vergil"] .linotype-area>p.vergil-credo,
.linotype-preface[data-source-id="book-vergil"] .linotype-area>p.vergil-cadence,
.linotype-preface[data-source-id="book-vergil"] .linotype-area>p.vergil-registers{
  border-left:1px solid var(--book-accent);
  padding:.22em 0 .22em 1.2em;
  margin:1.15em 0 1.3em;
  line-height:1.7;
}
.linotype-preface[data-source-id="book-vergil"] .linotype-area>p.vergil-imprint{
  font:600 9px/1.5 ui-monospace,Menlo,monospace;
  letter-spacing:.09em;
  padding-bottom:1em;
}

/* The original preface generic paragraph rule must never enlarge the folio rubric. */
.linotype-preface[data-source-id="book-vergil"] .linotype-area>p.book-ordinal{
  display:flex;justify-content:space-between;align-items:baseline;gap:1rem;
  font:600 9px/1.45 ui-monospace,Menlo,monospace;
  letter-spacing:.14em;color:var(--book-muted);
  border-bottom:1px solid var(--book-rule);padding-bottom:.9em;margin-bottom:1.8em;
}
.linotype-preface[data-source-id="book-vergil"] .linotype-area>h2{
  font:400 clamp(30px,calc(var(--sheet-w)*.073),41px)/1.1
  "Iowan Old Style",Palatino,Georgia,serif;
  letter-spacing:-.045em;margin:.25em 0 .65em;
}

/* A quiet, bounded title while the real paper measurements settle in Safari.
   With JavaScript disabled, .linotype-boot is never set: source HTML remains readable. */
body.book-app.linotype-boot .book-viewport::before{
  content:"FIRST READING";
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--book-muted);
  font:600 10px/1.5 ui-monospace,Menlo,monospace;
  letter-spacing:.18em;
  pointer-events:none;
}

/* First-paint admission: the manuscript never flashes as a scrolling HTML
   document or as a provisional single leaf before Safari settles its metrics.
   This only applies when the head bootstrap executed; no-JS HTML is readable. */
html.book-hydrating,
html.book-hydrating body.book-app {
  height:100%;
  overflow:hidden;
}
html.book-hydrating body.book-app .book-toolbar,
html.book-hydrating body.book-app .book-main,
html.book-hydrating body.book-app .book-pagination {
  visibility:hidden;
}
html.book-hydrating body.book-app::after {
  content:"FIRST READING";
  position:fixed;inset:0;z-index:90;
  display:grid;place-items:center;
  background:var(--book-paper);color:var(--book-muted);
  font:600 10px/1.6 ui-monospace,Menlo,monospace;
  letter-spacing:.2em;
  pointer-events:none;
}
@media print {
  html.book-hydrating,
  html.book-hydrating body.book-app {height:auto;overflow:visible}
  html.book-hydrating body.book-app .book-toolbar,
  html.book-hydrating body.book-app .book-main,
  html.book-hydrating body.book-app .book-pagination {visibility:visible}
  html.book-hydrating body.book-app::after {display:none}
}


/* Fountain Press: no invented illustration required for technical chapters. */
.linotype-opener .book-chapter-heading{display:block;min-width:0;max-width:100%;text-wrap:balance;}
.linotype-opener:not(:has(.linotype-image-frame)) .book-chapter-heading{
  padding-top:clamp(24px,6vh,62px);
}
.book-prose .press-subhead{font-weight:600;font-family:"Iowan Old Style",Palatino,Georgia,serif;
  font-size:1.11em;line-height:1.45;letter-spacing:-.015em;margin:1.1em 0 .55em;}
.book-prose .press-list-item{padding-left:1em;position:relative}
.book-prose .press-list-item::before{content:"—";position:absolute;left:0;color:var(--book-muted)}

/* Typography-first technical chapter: real prose starts on the opener. */
.linotype-opener:not(:has(.linotype-image-frame)) .linotype-area{display:block}
.linotype-opener:not(:has(.linotype-image-frame)) .book-chapter-heading{margin:0 0 1.5em;padding:0}
.linotype-opener:not(:has(.linotype-image-frame)) .linotype-area>p{font:inherit;line-height:1.55;margin:0 0 .95em}

/* R14: stable author-set page typography and true adjacent contents. */
#book-type-button,.book-type-row,.book-adjust,.book-appearance-dialog{display:none!important}
.book-reading-shell{display:grid;grid-template-columns:minmax(0,1fr);width:100%;min-width:0;
  align-items:stretch;background:var(--book-outer)}
.book-reading-shell.has-contents{grid-template-columns:minmax(0,1fr) clamp(230px,25vw,330px)}
.book-reading-shell .book-main{min-width:0;width:100%;margin:0}
.book-contents-rail{min-width:0;min-height:0;padding:20px 18px;background:var(--book-paper);
  border-left:1px solid var(--book-rule);overflow:auto;overscroll-behavior:contain}
.book-contents-rail[hidden]{display:none!important}
.book-contents-rail .book-dialog-head{align-items:center;gap:10px}
.book-contents-rail .book-dialog-head h2{font-size:clamp(20px,2.3vw,28px)}
.book-contents-rail .book-dialog-head button{width:36px;height:36px;display:grid;place-items:center;cursor:pointer}
.book-contents-rail nav{display:block;max-height:none;overflow:visible;margin-top:16px}
.book-contents-rail .book-toc-list a{grid-template-columns:2rem minmax(0,1fr);gap:.4rem;
  padding:.85rem .1rem}
.book-contents-rail .book-toc-list .toc-voice{display:none}
.book-contents-rail .toc-title{font-size:.96rem;line-height:1.28;overflow-wrap:break-word}
#book-toc-button{display:grid;place-items:center;width:38px;height:38px;padding:7px;
  border-radius:3px;color:var(--book-ink)}
#book-toc-button[aria-expanded="true"]{background:var(--book-outer);border-color:var(--book-rule)}
@media(max-width:650px){
  .book-reading-shell.has-contents{grid-template-columns:minmax(0,1fr) clamp(134px,36vw,225px)}
  .book-contents-rail{padding:11px 9px}
  .book-contents-rail .book-dialog-head h2{font-size:18px}
  .book-contents-rail .book-dialog-head small{font-size:8px}
  .book-contents-rail .book-toc-list a{grid-template-columns:1.2rem minmax(0,1fr);gap:4px}
  .book-contents-rail .toc-number{font-size:9px}
  .book-contents-rail .toc-title{font-size:13px}
}
@media print{.book-contents-rail,#book-toc-button{display:none!important}
 .book-reading-shell{display:block}}


/* R14: book furniture, not a website. No external directory/navigation
   chrome in the reading room; controls form a balanced central instrument. */
.book-toolbar.book-reading-controls{display:flex;align-items:center;justify-content:stretch;
  min-height:57px;gap:0;padding:7px max(18px,env(safe-area-inset-left))
  7px max(18px,env(safe-area-inset-right))}
.book-reading-controls .book-tools{display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex:1 1 100%;width:100%;min-width:0}
.book-reading-controls .book-media-control{margin-right:auto}
.book-reading-controls #book-toc-button{margin-left:auto;flex:0 0 auto}
.book-pagination.book-reading-pagination{display:flex;justify-content:center;align-items:center;
  gap:clamp(10px,3vw,36px);min-height:60px;padding:8px max(10px,env(safe-area-inset-left))
  8px max(10px,env(safe-area-inset-right))}
.book-reading-pagination .book-progress{width:clamp(110px,27vw,275px);flex:0 1 auto}
.book-reading-pagination #book-prev,.book-reading-pagination #book-next{
  min-width:36px;min-height:38px;padding:4px 7px;display:grid;place-items:center;
  justify-self:auto;font-size:1.2rem}
@media(max-width:600px){
 .book-toolbar.book-reading-controls{min-height:48px;padding:5px 9px}
 .book-reading-controls .book-tools{gap:9px}
 .book-pagination.book-reading-pagination{gap:10px;min-height:52px}
 .book-reading-pagination .book-progress{width:clamp(105px,40vw,225px)}
}

/* Continuous-source fallback is a DOCUMENT, never a half-typeset leaf.
   Safari may refuse/delay the compositor, or a reader may disable JavaScript.
   In either case make every authored paragraph readable and withdraw the
   disabled-looking page-turning controls. The measured reader is unaffected. */
@media screen {
  body.book-app:not(.reader-ready):not(.linotype-boot) .book-main {
    display:block;
    height:auto;
    min-height:0;
    overflow:visible;
  }
  body.book-app:not(.reader-ready):not(.linotype-boot) .book-leaf-frame {
    display:block;
    height:auto;
    min-height:0;
    max-height:none;
  }
  body.book-app:not(.reader-ready):not(.linotype-boot) .book-viewport {
    display:block;
    height:auto;
    min-height:0;
    max-height:none;
    overflow:visible;
  }
  body.book-app:not(.reader-ready):not(.linotype-boot) .book-flow {
    display:block;
    height:auto;
    max-height:none;
    overflow:visible;
  }
  body.book-app:not(.reader-ready):not(.linotype-boot) .book-pagination,
  body.book-app:not(.reader-ready):not(.linotype-boot) #book-page-atlas {
    display:none;
  }
}

/* Reader toolbar admission at narrow phone widths. All three actions remain
   visible and keyboard-operable; the existing authored edition mark carries
   identity where the full series label cannot fit beside them. */
@media screen and (max-width:600px) {
  .book-toolbar {column-gap:6px;}
}
@media screen and (max-width:390px) {
  .book-toolbar .book-identity span:last-child {display:none;}
}

/* R28 source-bound containing space: a rail, not a rewritten book page. */
body.book-app[data-containing-space-id="first-readings"][data-containing-space-tone="teal"] .book-toolbar{box-shadow:inset 5px 0 0 #4a8982}
body.book-app[data-containing-space-id="first-readings"][data-containing-space-tone="teal"] .book-pagination{box-shadow:inset 5px 0 0 #4a8982}