.visually-hidden { position:absolute!important; width:1px!important; height:1px!important; padding:0!important; margin:-1px!important; overflow:hidden!important; clip:rect(0,0,0,0)!important; white-space:nowrap!important; border:0!important; }
.edition-dialog { width:min(1500px,calc(100vw - 32px)); max-width:none; height:calc(100dvh - 32px); max-height:none; padding:0; border:1px solid #c8c4b5; background:#e8e5dc; color:var(--ink); box-shadow:0 24px 100px #13211677; overflow:hidden; }
.edition-dialog[open] { display:flex; flex-direction:column; }
.edition-dialog::backdrop { background:#18251ee0; backdrop-filter:blur(7px); }
.edition-toolbar { display:flex; justify-content:space-between; align-items:center; gap:20px; padding:17px 28px; border-bottom:1px solid #d7d2c4; background:var(--paper); flex:none; }
.edition-label { display:block; font:500 10px/1.4 var(--sans); letter-spacing:.16em; color:var(--muted); margin-bottom:5px; }
.edition-toolbar h2 { font:500 27px/1.1 var(--serif); letter-spacing:-.015em; }
.edition-close { display:flex; align-items:center; gap:14px; min-height:44px; font-size:14px; border:1px solid var(--line); padding:4px 15px; }
.edition-close span { font:28px/1 var(--serif); }
.edition-stage { position:relative; display:flex; align-items:center; justify-content:center; flex:1; min-height:0; overflow:auto; overscroll-behavior:contain; padding:16px; background:radial-gradient(ellipse at center,#f7f3e7 0,#e3e0d5 70%); }
.edition-book-frame { position:relative; flex:none; margin:auto; filter:drop-shadow(0 17px 17px #342c2340); perspective:1800px; }
.edition-book { position:relative; width:100%; height:100%; transition:transform .65s ease; }
.edition-book-frame.is-front:not(.is-portrait) .edition-book { transform:translateX(-25%); }
.edition-book-frame.is-back:not(.is-portrait) .edition-book { transform:translateX(25%); }
.edition-leaf { position:relative; background:#f7f2e7; overflow:hidden; box-shadow:inset 0 0 0 1px #776a4922; }
.edition-leaf:after { content:""; position:absolute; z-index:2; pointer-events:none; inset:0; box-shadow:inset 0 0 1px 1px #55452c16; }
.edition-leaf.--left:after { background:linear-gradient(to right,transparent 90%,#261a0822); }
.edition-leaf.--right:after { background:linear-gradient(to right,#261a0820,transparent 9%); }
.edition-leaf--hard { background:var(--forest); box-shadow:inset 0 0 0 2px #1f3025; }
.edition-leaf--hard:after { box-shadow:inset 5px 0 7px -4px #fff6,inset -3px 0 5px -3px #0009; }
.edition-book-frame.is-front .edition-leaf--hard { box-shadow:1px 1px 0 #f8f3e7,3px 2px 0 #cac3ad,5px 3px 0 #f8f3e7,7px 4px 0 #2e4033; }
.edition-book-frame.is-back .edition-leaf--hard { box-shadow:-1px 1px 0 #f8f3e7,-3px 2px 0 #cac3ad,-5px 3px 0 #f8f3e7,-7px 4px 0 #2e4033; }
.edition-finished-page { display:block; width:100%; height:100%; object-fit:contain; user-select:none; -webkit-user-drag:none; pointer-events:none; }

.edition-missing { max-width:190px; padding:20px; color:#6d6c60; font:italic 23px/1.4 var(--serif); text-align:center; }
.edition-leaf--hard .edition-missing { color:var(--paper); }
.edition-loading { position:absolute; inset:0; z-index:10; display:grid; place-items:center; background:#e8e5dc; padding:40px; text-align:center; font:italic 27px/1.3 var(--serif); }
.edition-instruction { text-align:center; max-width:none; margin:0; padding:7px 20px; font:400 11px/1.4 var(--sans); color:var(--muted); }
.edition-controls { display:grid; grid-template-columns:140px minmax(140px,280px) 140px; justify-content:center; align-items:center; gap:28px; padding:10px 28px 18px; flex:none; }
.edition-controls button { display:flex; justify-content:center; gap:12px; align-items:center; padding:10px 12px; font-size:14px; min-height:46px; background:var(--paper); border:1px solid #ccc8b9; }
.edition-controls button:disabled { cursor:default; opacity:.4; }
.edition-progress { font:500 12px/1.5 var(--sans); text-align:center; margin-bottom:8px; }
.edition-track { height:2px; background:#d1cebf; }
.edition-track span { height:100%; display:block; background:var(--forest); transition:width .25s; }
.edition-footnote { display:flex; justify-content:space-between; align-items:center; gap:20px; padding:12px 28px; border-top:1px solid #d0ccbd; background:var(--paper); font-size:12px; flex:none; }
.edition-footnote>a { font-weight:500; }
.edition-footnote>button { padding:8px 0; font-size:12px; text-decoration:underline; text-underline-offset:4px; }
.edition-footnote>button:disabled { cursor:default; opacity:.4; }
.edition-zoom { display:flex; gap:10px; align-items:center; }
.edition-zoom button { font:24px/1 var(--serif); width:40px; height:36px; border:1px solid var(--line); }
.edition-zoom span { min-width:38px; text-align:center; font-size:11px; }
@media(max-width:799px) {
 .edition-dialog { width:100%; height:100dvh; margin:0; border:0; }
 .edition-toolbar { padding:12px 16px; gap:12px; }
 .edition-toolbar h2 { font-size:23px; }
 .edition-label { font-size:8px; letter-spacing:.1em; }
 .edition-close { padding:3px 10px; font-size:12px; gap:8px; }
 .edition-stage { padding:10px; justify-content:flex-start; }
 .edition-book-frame { margin:auto; }
 .edition-instruction { font-size:10px; padding:5px 16px; }
 .edition-controls { grid-template-columns:94px 1fr 94px; gap:12px; padding:9px 16px 13px; }
 .edition-controls button { gap:5px; padding:8px; font-size:12px; }
 .edition-progress { font-size:11px; }
 .edition-footnote { padding:8px 16px; gap:12px; flex-wrap:wrap; }
 .edition-footnote>button { font-size:11px; }
 .edition-footnote>a { width:100%; text-align:center; padding:8px 0 3px; border-top:1px solid var(--line); }
}
@media(prefers-reduced-motion:reduce) { .edition-book,.edition-track span { transition:none; } }
/* PageFlip's bundled inline stylesheet is blocked by the site's CSP.
   Keep the required engine layout here, in the permitted external sheet. */
.edition-book.stf__parent { position:relative; display:block; box-sizing:border-box; touch-action:pan-y; }
.edition-book .stf__wrapper,.edition-book .sft__wrapper { position:relative; width:100%; height:100%; box-sizing:border-box; }
.edition-book .stf__block { position:absolute; width:100%; height:100%; box-sizing:border-box; perspective:2000px; }
.edition-book .stf__item { display:none; position:absolute; transform-style:preserve-3d; }
.edition-book .stf__outerShadow,.edition-book .stf__innerShadow,.edition-book .stf__hardShadow,.edition-book .stf__hardInnerShadow { position:absolute; left:0; top:0; }
.edition-missing { position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); }