/* v20 shared photo/media and useful reading; scoped to production reader version. */
.piece-page[data-reader="v20"]{position:relative;min-width:0;isolation:isolate}
.piece-page[data-reader="v20"] .piece-reading{display:block;grid-column:1/-1;grid-row:auto;width:100%;max-width:1000px;margin:28px auto 0;padding:0;min-width:0}
.piece-page[data-reader="v20"] .piece-media{display:block;position:relative;min-width:0;height:auto;max-height:none;overflow:hidden}
.piece-page[data-reader="v20"] .piece-photo-rail{display:flex;position:relative;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;width:100%;height:clamp(280px,38cqw,480px);touch-action:pan-x pan-y;overscroll-behavior-x:contain}
.piece-page[data-reader="v20"] .piece-photo-slide{position:relative;flex:0 0 100%;width:100%;height:100%;margin:0;scroll-snap-align:start;overflow:hidden;display:grid;place-items:center}
.piece-page[data-reader="v20"] .piece-photo-slide img,.operator-preview .piece-page[data-reader="v20"] .piece-photo-slide img{position:static;inset:auto;width:100%;height:100%;max-width:100%;max-height:100%;object-fit:contain;transform:none}
.piece-page[data-reader="v20"] [data-detail] img,.operator-preview .piece-page[data-reader="v20"] [data-detail] img{transform:scale(var(--detail-scale,1.8))}
.piece-photo-slide figcaption{position:absolute;bottom:8px;left:8px;padding:4px 8px;background:var(--portal-bg);color:var(--portal-ink);font:12px/1.4 var(--sans);border-radius:4px}
.piece-photo-controls,.piece-useful-controls{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 0;color:var(--portal-ink);font:14px/1.5 var(--sans)}
.piece-page[data-reader="v20"] button{font:500 14px/1.3 var(--sans);min-height:44px;min-width:44px;padding:10px 14px;background:var(--portal-bg);color:var(--portal-ink);border:1px solid var(--piece-border);border-radius:6px;cursor:pointer}
.piece-page[data-reader="v20"] button:focus-visible,.piece-page[data-reader="v20"] a:focus-visible{outline:3px solid var(--portal-accent);outline-offset:3px}
.piece-page[data-reader="v20"] button:disabled{opacity:.45;cursor:default}
.piece-photo-count{white-space:nowrap}
.piece-collage{display:grid;grid-template-columns:62fr 38fr;grid-template-rows:1fr 1fr;gap:8px;height:clamp(260px,34cqw,440px);padding:0 0 16px}
.piece-page[data-reader="v20"] .piece-collage button{position:relative;padding:0;overflow:hidden;border:0;border-radius:20px;background:var(--piece-photo-bg);min-height:0}
.piece-collage button:first-child{grid-row:1/3}.piece-collage button:nth-child(2){translate:0 12px}.piece-collage button:nth-child(3){translate:0 12px}
.piece-page[data-reader="v20"] .piece-collage img{position:static;width:100%;height:100%;max-width:100%;max-height:100%;object-fit:contain}
.piece-collage button span{position:absolute;bottom:6px;left:6px;background:var(--portal-bg);color:var(--portal-ink);border-radius:4px;padding:3px 5px;font:11px/1.4 var(--sans)}
.piece-page[data-reader="v20"][data-style="gallery"] .has-collage .piece-photo-rail,.piece-page[data-reader="v20"][data-style="diptych"] .has-collage .piece-photo-rail{height:0}
.piece-page[data-reader="v20"][data-style="diptych"] .piece-collage{grid-template-columns:60fr 40fr;grid-template-rows:1fr}.piece-page[data-reader="v20"][data-style="diptych"] .piece-collage button:first-child{grid-row:auto}.piece-page[data-reader="v20"][data-style="diptych"] .piece-collage button:nth-child(2){translate:none}
.piece-useful{width:100%;min-width:0;margin:0 0 30px}.piece-useful-controls{justify-content:flex-start;gap:8px;padding:0 0 12px}
.piece-useful-rail{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:16px;scrollbar-width:thin;overscroll-behavior-x:contain;padding:0 0 12px;align-items:stretch}
.piece-page[data-reader="v20"] .piece-useful-rail>.piece-section{flex:0 0 90%;scroll-snap-align:start;min-width:0;max-width:none;width:auto;margin:0;padding:20px;background:var(--portal-soft);color:var(--portal-ink);border:1px solid var(--piece-border);border-radius:10px}
.piece-page[data-reader="v20"] .piece-reading>.piece-section{width:100%;max-width:68ch;margin:28px auto;padding:0 0 24px;border-bottom:1px solid var(--piece-border)}
.piece-page[data-reader="v20"] .piece-section-title{font-size:22px;line-height:1.25;margin:0 0 12px}
.piece-page[data-reader="v20"] .piece-section p{font:400 18px/1.65 var(--sans);max-width:68ch;margin:0 0 12px;white-space:pre-wrap;overflow-wrap:anywhere;color:inherit}
.piece-page[data-reader="v20"] .piece-section .piece-material-name{font-weight:600}
.piece-page[data-reader="v20"][data-style="catalog"] .piece-useful-rail>.piece-section{flex-basis:calc(50% - 8px);padding:16px}
.piece-card-art{height:160px;aspect-ratio:4/3;display:grid;place-items:center;margin:-1px -1px 18px;background:var(--piece-photo-bg);color:var(--portal-accent);border-radius:7px}.piece-card-art svg{height:100%;max-width:100%}
.piece-page[data-reader="v20"][data-style="catalog"] .piece-media .piece-photo-rail{height:280px}
.piece-page[data-reader="v20"][data-style="catalog"] .piece-section-title{font:600 20px/1.3 var(--sans)}
.piece-page[data-reader="v20"][data-style="catalog"] .piece-useful-rail p{font-size:16px;line-height:1.5}
/* A real book keeps the same source sections and exposes a page at a time. */
.piece-page[data-reader="v20"].piece-book{display:block;width:min(100%,720px);max-width:720px;margin:0 auto;padding:0;background:var(--portal-bg);color:var(--portal-ink);perspective:1800px;overflow:visible;border:1px solid var(--piece-border);box-shadow:10px 14px 35px #00000016;container-type:inline-size}
.piece-book [hidden]{display:none!important}
.piece-page[data-reader="v20"].piece-book .book-cover{padding:32px;min-height:580px;position:relative}
.piece-page[data-reader="v20"].piece-book .piece-hero{display:flex;flex-direction:column;gap:20px;margin:0;padding:0;width:100%}
.piece-page[data-reader="v20"].piece-book .piece-identity{display:contents}
.piece-page[data-reader="v20"].piece-book .portal-wordmark{order:-3;justify-content:center;max-width:100%;margin:0;font-size:24px}
.piece-page[data-reader="v20"].piece-book .piece-collection{display:none}
.piece-page[data-reader="v20"].piece-book .piece-title{order:-2;font-size:clamp(32px,6cqw,46px);line-height:1.1;margin:0;text-align:center;max-width:20ch;align-self:center}
.piece-page[data-reader="v20"].piece-book .piece-media{width:100%;order:0}
.piece-page[data-reader="v20"].piece-book .piece-photo-rail{height:320px;background:var(--piece-photo-bg)}
.piece-page[data-reader="v20"].piece-book .book-open{order:2;align-self:center;background:var(--portal-ink);color:var(--portal-bg);min-width:160px}
.piece-page[data-reader="v20"].piece-book .book-interior{padding:24px;position:relative}
.piece-page[data-reader="v20"].piece-book .piece-index{display:flex;flex-wrap:wrap;gap:4px 16px;padding:0 0 16px;margin:0;border:0;max-width:none;width:100%;font:14px/1.5 var(--sans)}
.piece-book .piece-index a{min-height:44px;display:flex;align-items:center}
.piece-book .book-navigation{display:flex;gap:8px;flex-wrap:wrap;align-items:center;border-block:1px solid var(--piece-border);padding:10px 0;margin-bottom:24px}.book-count{font:14px/1.5 var(--sans);margin-right:auto}
.piece-page[data-reader="v20"].piece-book .book-pages{min-height:340px;padding:20px 8px}
.piece-page[data-reader="v20"].piece-book .piece-section{display:block;width:100%;max-width:none;margin:0;padding:0;background:none;border:0;color:var(--portal-ink)}
.piece-page[data-reader="v20"].piece-book .piece-section-title{font:500 32px/1.2 var(--serif);margin:0 0 24px}
.piece-page[data-reader="v20"].piece-book .piece-section p{font:18px/1.75 var(--sans);max-width:58ch}
.piece-page[data-reader="v20"].piece-book .example-caption{font:12px/1.5 var(--sans);position:static;max-width:none;grid-row:auto;grid-column:auto;margin:24px 0 0;padding:0;border:0}
.editor-photos{list-style:none;padding:0;display:grid;gap:12px}.editor-photos li{display:flex;align-items:center;flex-wrap:wrap;gap:8px;border:1px solid #d9dcd5;padding:10px;border-radius:8px}.editor-photos img{width:64px;height:64px;object-fit:contain}.editor-photos button{min-height:44px;font-size:12px}
@container (max-width:600px){
 .piece-page[data-reader="v20"]{display:block;padding:16px!important;margin:0;min-height:0}
 .piece-page[data-reader="v20"] .piece-hero{display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto;gap:12px;max-width:none;margin:0;padding:0}
 .piece-page[data-reader="v20"] .piece-identity{display:contents}
 .piece-page[data-reader="v20"] .portal-wordmark{grid-column:1;grid-row:1;display:flex;justify-content:flex-start;width:100%;margin:0;font-size:24px;line-height:28px;min-height:28px}
 .piece-page[data-reader="v20"] .brand-initials{font-size:20px}
 .piece-page[data-reader="v20"] .piece-collection{display:none}
 .piece-page[data-reader="v20"] .piece-media{grid-column:1;grid-row:2;position:relative;width:100%;height:auto;max-height:none;aspect-ratio:auto;margin:0;padding:0;border:0;overflow:hidden;inset:auto}
 .piece-page[data-reader="v20"] .piece-title{grid-column:1;grid-row:3;width:100%;max-width:none;margin:0;font-size:30px;line-height:1.12;text-align:left;letter-spacing:-.02em}
 .piece-page[data-reader="v20"] .piece-index{grid-column:1;grid-row:4;display:flex;gap:16px;width:100%;max-width:100%;overflow-x:auto;flex-wrap:nowrap;white-space:nowrap;padding:0;border:0;margin:0;font:13px/1.4 var(--sans)}
 .piece-page[data-reader="v20"] .piece-index a{display:flex;align-items:center;min-height:44px;flex-shrink:0}
 .piece-page[data-reader="v20"] .example-caption{grid-column:1;grid-row:5;margin:0;padding:0;font:12px/1.4 var(--sans);position:static;max-width:none}
 .piece-page[data-reader="v20"] .piece-photo-rail{height:230px}
 .piece-page[data-reader="v20"] .piece-collage{height:250px}
 .piece-page[data-reader="v20"] .piece-reading{display:block;margin:16px 0 0;width:100%;max-width:none;padding:0}
 .piece-page[data-reader="v20"] .piece-useful-rail>.piece-section{flex-basis:90%;padding:16px;max-width:none}
 .piece-page[data-reader="v20"] .piece-section p{font-size:16px;line-height:1.55}
 .piece-page[data-reader="v20"] .piece-section-title{font-size:20px;margin-bottom:10px}
 .piece-page[data-reader="v20"][data-style="catalog"] .piece-media .piece-photo-rail{height:200px}
 .piece-page[data-reader="v20"][data-style="catalog"] .piece-useful-rail>.piece-section{flex-basis:88%;padding:16px}
 .piece-card-art{height:120px}
 .piece-page[data-reader="v20"].piece-book{padding:0!important}
 .piece-page[data-reader="v20"].piece-book .book-cover{padding:20px;min-height:0}
 .piece-page[data-reader="v20"].piece-book .piece-photo-rail{height:260px}
 .piece-page[data-reader="v20"].piece-book .book-interior{padding:16px}
 .piece-page[data-reader="v20"].piece-book .book-pages{padding:12px 0;min-height:300px}
 .piece-page[data-reader="v20"].piece-book .piece-index{white-space:normal;flex-wrap:wrap;gap:0 14px}
 .piece-page[data-reader="v20"].piece-book .piece-title{text-align:center}
 .piece-page[data-reader="v20"].piece-book .piece-section-title{font-size:28px}
 .piece-page[data-reader="v20"].piece-book .piece-section p{font-size:17px;line-height:1.6}
}
.phone-screen .piece-page[data-reader="v20"] .example-caption{display:none}
.phone-screen .piece-page[data-reader="v20"] .piece-index{display:none}
.phone-screen .piece-page[data-reader="v20"].piece-book .book-interior .piece-index{display:flex}
@media(prefers-reduced-motion:reduce){.piece-photo-rail,.piece-useful-rail{scroll-behavior:auto}}
.piece-page[data-reader="v20"][data-style="gallery"] .piece-media{background:var(--portal-bg);color:var(--portal-ink)}
.piece-page[data-reader="v20"] .piece-media.photo-unavailable .piece-photo-rail{height:auto;min-height:100px;padding:20px}
.piece-page[data-reader="v20"] .piece-reading>.example-caption{font:12px/1.5 var(--sans);margin:28px 0 0;max-width:none;padding:0;position:static}
.piece-page[data-reader="v20"] .piece-useful-controls button[aria-pressed="true"]{background:var(--portal-ink);color:var(--portal-bg)}
.piece-page[data-reader="v20"][data-style="frame"] .piece-useful-rail>.piece-section{background:var(--piece-base-text);color:var(--piece-base-bg)}
/* Catálogo follows the illustrated-card reference: object first, art above copy. */
.piece-page[data-reader="v20"][data-style="catalog"]{display:block;max-width:1200px;margin:0 auto;padding:40px}
.piece-page[data-reader="v20"][data-style="catalog"] .piece-hero{display:flex;flex-direction:column;gap:16px;margin:0;padding:0}
.piece-page[data-reader="v20"][data-style="catalog"] .piece-identity{display:contents}
.piece-page[data-reader="v20"][data-style="catalog"] .portal-wordmark{order:-3;margin:0;font-size:24px}
.piece-page[data-reader="v20"][data-style="catalog"] .piece-title{order:-2;margin:0;max-width:none;font-size:40px;line-height:1.1}
.piece-page[data-reader="v20"][data-style="catalog"] .piece-collection{order:-1;margin:0}
.piece-page[data-reader="v20"][data-style="catalog"] .piece-media{order:0;width:100%;max-width:100%;margin:0}
.piece-page[data-reader="v20"][data-style="catalog"] .piece-index{order:1;display:flex;flex-wrap:wrap;width:100%;max-width:none;margin:0;padding:0;gap:4px 20px}
.piece-page[data-reader="v20"][data-style="catalog"] .piece-useful-rail>.piece-section{display:flex;flex-direction:column;align-items:stretch;gap:0;grid-column:auto;grid-row:auto}
.piece-page[data-reader="v20"][data-style="catalog"] .piece-useful-rail .piece-section-title{display:block;order:1;margin:0 0 12px}
.piece-page[data-reader="v20"][data-style="catalog"] .piece-useful-rail p{display:block;order:2}
.piece-page[data-reader="v20"][data-style="catalog"] .piece-card-art{order:0;width:100%;height:180px;color:var(--piece-photo-ink)}
@container(max-width:600px){.piece-page[data-reader="v20"][data-style="catalog"] .piece-title{font-size:30px}.piece-page[data-reader="v20"][data-style="catalog"] .piece-card-art{height:120px}.piece-page[data-reader="v20"][data-style="catalog"] .piece-photo-rail{height:200px}}
.piece-page[data-reader="v20"] .piece-media{aspect-ratio:auto}
/* Folio: a vertical bound cover and paper pages, not a coloured horizontal panel. */
.piece-page[data-reader="v20"].piece-book{max-width:560px;border-left:8px solid #16345a;border-radius:3px 8px 8px 3px;box-shadow:3px 3px 0 #dce4ec,5px 5px 0 #f7fafd,7px 7px 0 #c7d1db,12px 18px 30px #182a3b26}
.piece-page[data-reader="v20"].piece-book .book-cover{min-height:680px;padding:32px}
.piece-page[data-reader="v20"].piece-book .book-cover .portal-wordmark{font-size:32px;line-height:1.1;margin:0 0 16px}
.piece-page[data-reader="v20"].piece-book .book-interior{background:#f7fafd;color:#16345a;padding:24px}
.piece-book .book-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;border-bottom:1px solid #c7d4e1;padding-bottom:16px}
.piece-book .book-contents{min-width:0;flex:1}.piece-book .book-contents summary{min-height:44px;cursor:pointer;font:500 14px/44px var(--sans)}
.piece-page[data-reader="v20"].piece-book .book-interior button{background:#f7fafd;color:#16345a;border-color:#bccbda}
.piece-page[data-reader="v20"].piece-book .book-interior .piece-index{padding:8px 0 0;gap:0 16px;margin:0}
.piece-page[data-reader="v20"].piece-book .book-interior .piece-index a{color:#16345a}
.piece-page[data-reader="v20"].piece-book .book-pages{min-height:470px;padding:24px 0}
.piece-page[data-reader="v20"].piece-book .book-interior .piece-section{color:#16345a;background:none}
.piece-page[data-reader="v20"].piece-book .book-navigation{margin:0;padding:12px 0 0;border-bottom:0;gap:8px}
.piece-book .book-page-visual{height:200px;margin:0 0 20px;display:grid;place-items:center;background:#edf2f8;border-radius:4px;overflow:hidden}
.piece-book .book-page-visual img{width:100%;height:100%;max-height:200px;object-fit:contain}
.piece-book .book-page-visual svg{height:150px;max-width:100%;color:#315675}
.piece-book .piece-section-story .book-page-visual{height:140px}
.piece-page[data-reader="v20"].piece-book>.example-caption{padding:16px 24px;margin:0;font-size:12px}
.piece-book .book-leaf-front,.piece-book .book-leaf-back{background:#f7fafd;color:#16345a}
@container(max-width:600px){
 .piece-page[data-reader="v20"][data-style="diptych"] .portal-wordmark{height:28px;min-height:28px;aspect-ratio:auto;border:0;padding:0;display:flex;gap:10px;align-items:center}
 .piece-page[data-reader="v20"][data-style="diptych"] .brand-initials{width:28px;height:28px;min-height:0;font-size:18px;line-height:28px;margin:0;border-radius:50%;display:block;text-align:center}
 .piece-page[data-reader="v20"][data-style="diptych"] .brand-name{font-size:24px;line-height:28px;display:block}
 .piece-page[data-reader="v20"].piece-book .book-cover{min-height:510px;padding:20px}
 .piece-page[data-reader="v20"].piece-book .book-cover .portal-wordmark{font-size:28px;justify-content:center;margin-bottom:8px}
 .piece-page[data-reader="v20"].piece-book .book-interior{padding:16px}
 .piece-page[data-reader="v20"].piece-book .book-pages{min-height:430px;padding:20px 0}
 .piece-page[data-reader="v20"].piece-book .piece-section-title{font-size:28px;margin-bottom:16px}
 .piece-page[data-reader="v20"].piece-book .book-page-visual{height:180px}
}
.activation-preview-story .piece-page[data-reader="v20"] .piece-useful{display:none}
@media(max-width:600px){.activation-preview-story .piece-page[data-reader="v20"] .piece-media,.activation-preview-story .piece-page[data-reader="v20"] .portal-wordmark{display:none}.activation-preview-story .piece-page[data-reader="v20"] .piece-title{font-size:24px}.activation-preview-story .piece-page[data-reader="v20"] .piece-reading{margin-top:12px}}
.piece-page[data-reader="v20"] .piece-useful-rail,.piece-page[data-reader="v20"] .piece-index{scrollbar-width:none}
.piece-useful-controls[hidden]{display:none}
.piece-page[data-reader="v20"] .piece-collage[data-count="2"]{grid-template-rows:1fr}
.piece-page[data-reader="v20"] .piece-collage[data-count="2"]>button:first-child{grid-row:auto}
.phone-screen .piece-page[data-reader="v20"].piece-book .book-page-visual{height:400px;background:#edf2f8}
.phone-screen .piece-page[data-reader="v20"].piece-book .book-page-visual img{max-height:400px;height:100%;width:100%;object-fit:contain}
.phone-screen .piece-page[data-reader="v20"].piece-book{min-height:var(--phone-document-height,860px)}
.phone-screen .piece-page[data-reader="v20"].piece-book .book-interior{min-height:var(--phone-document-height,860px);display:flex;flex-direction:column}
.phone-screen .piece-page[data-reader="v20"].piece-book .book-pages{flex:1}
.phone-screen .piece-page[data-reader="v20"].piece-book .book-navigation{margin-top:auto}
.phone-screen .piece-page[data-reader="v20"] .piece-hero{padding-top:20px}
/* Passive phone windows reserve room for the photograph and useful panels,
   rather than reaching legal fallbacks in their first screen. Real readers retain native sizing. */
.phone-screen .piece-page[data-reader="v20"]:is([data-style="signature"],[data-style="nocturne"],[data-style="cover"],[data-style="frame"],[data-style="journal"]) .piece-photo-rail{height:390px}
.phone-screen .piece-page[data-reader="v20"][data-style="specimen"] .piece-photo-rail{height:420px}
.phone-screen .piece-page[data-reader="v20"][data-style="gallery"] .piece-collage{height:300px}
/* Decorative moving samples keep commercial/legal content in the shared DOM;
   their window concentrates on the piece, material and care. Full readers stay complete. */
.phone-screen .piece-page[data-reader="v20"]:not(.piece-book) :is(.piece-section-warranty,.piece-section-note,.piece-section-emisora){display:none}
.piece-page[data-reader="v20"] .piece-media [hidden]{display:none!important}
.piece-book .book-header,.piece-book .book-navigation{position:relative;z-index:20}
.piece-page[data-reader="v20"][data-style="catalog"] .piece-useful-controls{gap:8px;flex-wrap:wrap}
.piece-page[data-reader="v20"][data-style="catalog"] .piece-useful-controls :is(button,.piece-service-link){display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 12px;font:500 14px/1.3 var(--sans)}
.piece-page[data-reader="v20"][data-style="catalog"] .piece-service-link{border:1px solid var(--piece-border);border-radius:6px;color:var(--portal-ink);text-decoration:none;background:var(--portal-bg)}
.piece-action-icon{width:24px;height:24px;flex:0 0 24px;display:block}
.piece-book .book-material-detail{position:relative}
.piece-book .book-material-detail img{transform:scale(1.65);transform-origin:50% 50%}
.book-detail-label{position:absolute;left:8px;bottom:8px;background:#f7fafd;color:#16345a;padding:3px 8px;border-radius:4px;font:12px/1.5 var(--sans)}
.piece-page[data-reader="v20"][data-style="catalog"] .piece-useful-controls :is(button,.piece-service-link){flex:1 1 0;min-width:0;flex-direction:column;gap:4px;padding:8px}
.piece-page[data-reader="v20"][data-style="catalog"] .piece-service-link{margin:0}
/* v22: StPageFlip soft sheets. Tools are siblings of the complete paper object. */
.piece-page[data-reader="v20"].piece-book[data-book-engine]{width:100%;max-width:960px;min-height:0;margin:0 auto;padding:0;background:none;border:0;border-radius:0;box-shadow:none;perspective:none;overflow:visible;color:#16345a}
.piece-book[data-book-engine] .book-tools,.piece-book[data-book-engine] .book-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;position:relative;z-index:5;margin:0;padding:0;background:none;border:0;min-height:44px;font:14px/1.4 var(--sans)}
.piece-book[data-book-engine] .book-tools{margin-bottom:16px;align-items:flex-start}
.piece-book[data-book-engine] .book-controls{margin-top:16px}
.piece-book[data-book-engine] .book-count{margin:0;text-align:center}
.piece-book[data-book-engine] :is(.book-tools,.book-controls) button{min-height:44px;padding:10px 18px;color:#16345a;background:#f7fafd;border:1px solid #b8c9d8;border-radius:6px;font:500 14px/1.4 var(--sans);cursor:pointer}
.piece-book[data-book-engine] :is(.book-tools,.book-controls) button:disabled{opacity:.45;cursor:default}
.piece-book[data-book-engine] .book-contents{flex:0 1 auto;max-width:680px}
.piece-book[data-book-engine] .book-contents summary{min-height:44px;line-height:44px}
.piece-page[data-reader="v20"].piece-book[data-book-engine] .piece-index{display:flex;flex-wrap:wrap;width:auto;max-width:680px;margin:0;padding:4px 0;gap:0 20px;background:none;border:0}
.piece-book[data-book-engine] .piece-index a{font:14px/1.4 var(--sans);min-height:44px;color:#16345a}
.piece-book[data-book-engine] .book-stage{width:min(100%,880px);height:580px;margin:0 auto;position:relative;isolation:isolate}
.piece-book[data-book-engine] .book-engine{width:100%;height:100%;margin:0;min-width:0!important;transition:transform 850ms ease;position:relative}
.piece-book[data-book-engine][data-book-orientation="landscape"][data-book-cover="closed"] .book-engine{transform:translateX(-25%)}
.piece-book[data-book-engine] .book-sheet{margin:0;padding:0;background:#f7fafd;color:#16345a;box-shadow:inset 0 0 0 1px #d6e0ea;overflow:clip}
.piece-book[data-book-engine] .book-sheet.--left{box-shadow:inset -14px 0 20px -20px #16345a90,inset 0 0 0 1px #d6e0ea}
.piece-book[data-book-engine] .book-sheet.--right{box-shadow:inset 14px 0 20px -20px #16345a90,inset 0 0 0 1px #d6e0ea}
.piece-book[data-book-engine] .book-page-body{height:100%;width:100%;padding:24px;overflow:clip;overscroll-behavior:auto;touch-action:pan-y;scrollbar-width:thin}
.piece-book[data-book-engine] .book-aux{visibility:hidden;pointer-events:none}
.piece-page[data-reader="v20"].piece-book[data-book-engine] .book-cover{padding:0;min-height:0;background:var(--portal-bg);color:var(--portal-ink)}
.piece-book[data-book-engine] .book-cover .book-page-body{overflow:clip}
.piece-page[data-reader="v20"].piece-book[data-book-engine] .book-cover .piece-hero{height:auto;min-height:100%;gap:16px;justify-content:center;padding:0;margin:0}
.piece-page[data-reader="v20"].piece-book[data-book-engine] .book-cover .portal-wordmark{font-size:30px;line-height:1.1;margin:0}
.piece-page[data-reader="v20"].piece-book[data-book-engine] .piece-title{font-size:32px;line-height:1.1;margin:0;max-width:20ch}
.piece-page[data-reader="v20"].piece-book[data-book-engine] .piece-photo-rail{height:280px}
.piece-page[data-reader="v20"].piece-book[data-book-engine] .piece-photo-slide img{max-height:100%;max-width:100%;object-fit:contain}
.piece-page[data-reader="v20"].piece-book[data-book-engine] .piece-section{width:100%;margin:0;padding:0;border:0;background:none;color:#16345a}
.piece-page[data-reader="v20"].piece-book[data-book-engine] .piece-section-title{font:500 30px/1.12 var(--serif);margin:0 0 20px}
.piece-page[data-reader="v20"].piece-book[data-book-engine] .piece-section p{font:16px/1.55 var(--sans);max-width:none;margin:0 0 14px;color:#16345a}
.piece-book[data-book-engine] .book-page-visual{height:230px;margin:0 0 20px;background:#edf2f8}
.piece-book[data-book-engine] .book-page-visual img{width:100%;height:100%;max-height:100%;object-fit:contain}
.piece-book[data-book-engine] .book-page-visual svg{height:180px}
.piece-book[data-book-engine] .piece-section-story .book-page-visual{height:150px}
.piece-page[data-reader="v20"].piece-book[data-book-engine]>.example-caption{padding:12px 0;margin:0;font:12px/1.5 var(--sans);color:#45617a}
.piece-book[data-book-engine="sequential"] .book-stage,.piece-book[data-book-engine="sequential"] .book-engine{height:auto;transform:none}
.piece-book[data-book-engine="sequential"] .book-sheet{height:auto;min-height:460px;margin-bottom:16px}
.piece-book[data-book-engine="sequential"] .book-page-body{height:auto}
@container(max-width:600px){
 .piece-book[data-book-engine] .book-stage{height:max(460px,138cqw);max-height:600px}
 .piece-book[data-book-engine] .book-page-body{padding:20px}
 .piece-book[data-book-engine] .book-tools,.piece-book[data-book-engine] .book-controls{gap:8px}
 .piece-book[data-book-engine] :is(.book-tools,.book-controls) button{padding:10px 12px}
 .piece-page[data-reader="v20"].piece-book[data-book-engine] .piece-photo-rail{height:240px}
 .piece-page[data-reader="v20"].piece-book[data-book-engine] .piece-title{font-size:30px}
 .piece-book[data-book-engine] .book-page-visual{height:220px}
}
.phone-screen .piece-page[data-reader="v20"].piece-book[data-book-passive]{min-height:var(--phone-document-height,860px);background:#f7fafd}
.phone-screen .piece-book[data-book-passive] .book-stage,.phone-screen .piece-book[data-book-passive] .book-engine{height:var(--phone-document-height,860px);max-height:none}
.phone-screen .piece-book[data-book-passive] .book-static>.book-sheet:not([hidden]){display:block;height:100%;width:100%}
.phone-screen .piece-book[data-book-passive] .book-page-body{height:100%;padding:24px}
.phone-screen .piece-page[data-reader="v20"].piece-book[data-book-passive] .book-page-visual{height:460px}
.phone-screen .piece-page[data-reader="v20"].piece-book[data-book-passive] .book-page-visual img{max-height:100%}
@media(prefers-reduced-motion:reduce){.piece-book[data-book-engine] .book-engine{transition:none}}

/* v23: a complete piece and a cleaning gesture replace the abstract folded box. */
.piece-care-visual{position:relative;width:100%;height:100%;min-height:100px;isolation:isolate;overflow:hidden;background:#edf3f7}
.piece-care-visual>img{display:block;width:100%;height:100%;max-width:100%;max-height:100%;object-fit:contain;transform:none}
.piece-page[data-reader="v20"][data-style="catalog"] .piece-card-art:has(.piece-care-visual){padding:0}
.piece-book[data-book-engine] .book-care-visual>.piece-care-visual{height:100%}
/* Passive phone: the same cover and real material/care sections, without a crop as its opening. */
.phone-screen .piece-page[data-reader="v20"].piece-book[data-book-passive] .book-page-body{padding:24px;overflow:hidden}
.phone-screen .piece-page[data-reader="v20"].piece-book[data-book-passive] .book-cover{background:#f7fafd;color:#16345a}
.phone-screen .piece-page[data-reader="v20"].piece-book[data-book-passive] .book-cover .piece-hero{min-height:0;height:auto;justify-content:flex-start;gap:12px}
.phone-screen .piece-page[data-reader="v20"].piece-book[data-book-passive] .book-cover .portal-wordmark{font-size:24px;line-height:28px;margin:0}
.phone-screen .piece-page[data-reader="v20"].piece-book[data-book-passive] .book-cover .piece-title{font-size:30px;line-height:32px;margin:0;order:1}
.phone-screen .piece-page[data-reader="v20"].piece-book[data-book-passive] .book-cover .piece-media{order:0;background:#f7fafd}
.phone-screen .piece-page[data-reader="v20"].piece-book[data-book-passive] .piece-photo-rail{height:330px;background:#f7fafd}
.phone-screen .piece-page[data-reader="v20"].piece-book[data-book-passive] .piece-photo-slide img{max-width:100%;max-height:100%;width:100%;height:100%;object-fit:contain;transform:none}
.phone-screen .piece-page[data-reader="v20"].piece-book[data-book-passive] .book-passive-summary{display:flex;flex-direction:column;gap:16px;margin-top:20px}
.phone-screen .piece-page[data-reader="v20"].piece-book[data-book-passive] .book-passive-summary>.piece-section{border-top:1px solid #d4e0e9;padding-top:12px}
.phone-screen .piece-page[data-reader="v20"].piece-book[data-book-passive] .book-passive-summary .piece-section-title{font:500 20px/1.2 var(--sans);margin:0 0 8px}
.phone-screen .piece-page[data-reader="v20"].piece-book[data-book-passive] .book-passive-summary p{font:16px/1.45 var(--sans);margin:0 0 6px}
.phone-screen .piece-page[data-reader="v20"].piece-book[data-book-passive] .book-passive-summary .piece-section-care{display:grid;grid-template-columns:120px minmax(0,1fr);gap:0 12px}
.phone-screen .piece-page[data-reader="v20"].piece-book[data-book-passive] .book-passive-summary .piece-section-care .piece-section-title{grid-column:1/-1}
.phone-screen .piece-page[data-reader="v20"].piece-book[data-book-passive] .book-passive-summary .book-page-visual{height:100%;min-height:165px;margin:0;grid-column:1;grid-row:2}
.phone-screen .piece-page[data-reader="v20"].piece-book[data-book-passive] .book-passive-summary .piece-section-care p{grid-column:2;grid-row:2}

.phone-screen .piece-page[data-reader="v20"].piece-book[data-book-passive] .book-cover .brand-name{font:500 24px/28px var(--sans)}


/* v24 · first representative pair: product document and useful chapters. */
.piece-page[data-interaction="product"] .piece-identity .piece-section-story{width:100%;max-width:none;margin:20px 0 0;padding:20px 0 0;border-top:1px solid var(--piece-border)}
.piece-page[data-interaction="product"] .piece-identity .piece-section-story p{font:18px/1.65 var(--sans);margin:0}
.piece-page[data-interaction="product"] .piece-identity .piece-section-title{font:600 18px/1.3 var(--sans);margin:0 0 12px}
.piece-documents{max-width:680px;margin:0 auto}
.piece-disclosure{border-block-end:1px solid var(--piece-border);padding:0;color:var(--portal-ink)}
.piece-disclosure:first-child{border-block-start:1px solid var(--piece-border)}
.piece-disclosure>summary{min-height:52px;padding:14px 0;font:500 20px/1.2 var(--sans);cursor:pointer}
.piece-page[data-interaction="product"] .piece-disclosure>.piece-section{margin:0;padding:0 0 20px;border:0}
.piece-disclosure .piece-section-title{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.piece-photo-thumbnails{display:flex;gap:10px;flex-direction:column;position:absolute;left:0;top:0;z-index:1;padding:8px;background:var(--portal-bg);border-radius:8px}
.piece-page[data-reader="v20"] .piece-photo-thumb{width:52px;height:64px;padding:3px;min-height:44px;border:1px solid var(--piece-border);border-radius:4px}
.piece-page[data-reader="v20"] .piece-photo-thumb[aria-current="true"]{outline:2px solid var(--portal-accent);outline-offset:1px}
.piece-page[data-reader="v20"] .piece-photo-thumb img{position:static;inset:auto;width:100%;height:100%;max-width:100%;max-height:100%;object-fit:contain;transform:none}
.piece-page[data-reader="v20"][data-interaction="chapters"] .piece-hero>.piece-section-story{order:0;max-width:65ch;margin:0;padding:0;border:0}
.piece-page[data-reader="v20"][data-interaction="chapters"] .piece-hero>.piece-section-story .piece-section-title{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0)}
.piece-page[data-reader="v20"][data-interaction="chapters"] .piece-hero>.piece-section-story p{font:20px/1.55 var(--sans);margin:0}
.piece-page[data-reader="v20"][data-interaction="chapters"] .piece-media{order:1;width:80%;align-self:center}
.piece-page[data-reader="v20"][data-interaction="chapters"] .piece-index{order:2}
.piece-page[data-reader="v20"][data-interaction="chapters"] .piece-useful-rail>.piece-section{flex-basis:min(620px,88%);display:block;padding:24px}
.piece-page[data-reader="v20"][data-interaction="chapters"] .piece-service-chapter>.piece-section{display:block;width:100%;max-width:none;margin:18px 0 0;padding:18px 0 0;border:0;border-top:1px solid var(--piece-border)}
.piece-page[data-reader="v20"][data-interaction="chapters"] .piece-service-chapter>.piece-section>.piece-section-title{font-size:18px}
.piece-chapter-photo{margin:0 0 18px;height:180px;position:relative;background:var(--piece-photo-bg);border-radius:6px;overflow:hidden}
.piece-chapter-photo img{display:block;width:100%;height:100%;object-fit:contain}
.piece-chapter-photo figcaption{position:absolute;bottom:6px;left:8px;font:12px/1.4 var(--sans);background:var(--portal-bg);padding:3px 6px;border-radius:3px}
@container(max-width:600px){
 .piece-photo-thumbnails{position:static;flex-direction:row;overflow-x:auto;padding:8px 4px;margin-top:8px}
 .piece-page[data-reader="v20"][data-interaction="chapters"] .piece-media{width:100%}
 .piece-page[data-reader="v20"][data-interaction="chapters"] .piece-useful-rail>.piece-section{flex-basis:88%;padding:18px}
 .piece-page[data-reader="v20"][data-interaction="chapters"] .piece-hero>.piece-section-story p{font-size:17px}
}

.piece-page[data-reader="v20"][data-interaction="product"] .piece-media:has(.piece-photo-thumbnails){padding-left:72px;overflow:visible}
@container(max-width:600px){.piece-page[data-reader="v20"][data-interaction="product"] .piece-media:has(.piece-photo-thumbnails){padding-left:0;overflow:hidden}}

.piece-page[data-interaction="product"] .piece-identity .piece-documents{margin:20px 0 0;max-width:none}
.piece-page[data-reader="v20"] .piece-photo-controls{color:var(--portal-ink);background:var(--portal-bg);padding:8px 12px;border-radius:6px}
.piece-page[data-reader="v20"] .piece-photo-count{color:inherit}

.piece-page[data-reader="v20"] .piece-photo-controls{display:grid;grid-template-columns:44px minmax(0,1fr) 44px;gap:8px}
.piece-page[data-reader="v20"] .piece-photo-controls button{width:44px;height:44px;min-width:44px;padding:0;font:28px/1 var(--sans);overflow-wrap:normal;white-space:nowrap}
.piece-page[data-reader="v20"] .piece-photo-count{text-align:center;font-size:13px}
@container(max-width:600px){
 .piece-page[data-reader="v20"][data-interaction="product"] .piece-hero{display:flex;flex-direction:column;gap:20px}
 .piece-page[data-reader="v20"][data-interaction="product"] .piece-media{order:0;width:100%;max-width:100%;min-width:0}
 .piece-page[data-reader="v20"][data-interaction="product"] .piece-identity{display:block;order:1;width:100%;max-width:100%;padding:0;min-width:0}
 .piece-page[data-reader="v20"][data-interaction="product"] .piece-title{width:100%;max-width:none;margin:16px 0;font-size:30px}
 .piece-page[data-reader="v20"][data-interaction="product"] .piece-section-story{width:100%;max-width:none;margin:20px 0 0}
 .piece-page[data-reader="v20"][data-interaction="product"] .piece-documents{width:100%;max-width:none}
 .piece-page[data-reader="v20"][data-interaction="product"] .piece-index{margin-top:20px;flex-wrap:wrap;white-space:normal}
}
.piece-page[data-reader="v20"][data-interaction="chapters"] .piece-useful-rail{align-items:flex-start}.piece-page[data-reader="v20"][data-interaction="chapters"] .piece-useful-rail>.piece-section{height:auto;min-height:0;align-self:flex-start}
/* v24 · explicit interactions preserve the editable reader, not a phone-only mockup. */
.piece-tabs{display:flex;gap:8px;overflow-x:auto;padding:4px 2px 12px;scrollbar-width:none}
.piece-page[data-reader="v20"] .piece-tabs button{white-space:nowrap;flex-shrink:0;background:var(--portal-bg);color:var(--portal-ink);border-color:var(--piece-border)}
.piece-page[data-reader="v20"] .piece-tabs button[aria-selected="true"]{background:var(--portal-ink);color:var(--portal-bg)}
.piece-tab-panels>.piece-section[hidden]{display:none!important}
.piece-page[data-reader="v20"] .piece-tab-panels>.piece-section{margin:0;padding:24px 0;border:0;width:100%;max-width:none}
.piece-page[data-reader="v20"][data-interaction="document-tabs"] .piece-identity .piece-document-tabs{margin:20px 0 0}
.piece-page[data-reader="v20"][data-interaction="document-tabs"] .piece-identity .piece-section p{font:17px/1.65 var(--sans)}
.piece-page[data-reader="v20"][data-interaction="document-tabs"] .piece-identity .piece-section-title{font:500 22px/1.25 var(--sans)}
.piece-page[data-reader="v20"] .piece-photo-dialog{position:fixed;inset:0;max-width:1100px;width:calc(100vw - 40px);max-height:92svh;margin:auto;padding:24px;background:var(--portal-bg);color:var(--portal-ink);border:1px solid var(--piece-border);border-radius:12px;box-shadow:0 20px 80px #0005;overflow:auto}
.piece-photo-dialog::backdrop{background:#0009}
.piece-dialog-header{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:16px}
.piece-dialog-header h2{font:500 24px/1.2 var(--sans);margin:0}
.piece-dialog-frame{margin:0;text-align:center;background:var(--piece-photo-bg);border-radius:6px}
.piece-dialog-frame>img{position:static;display:block;width:100%;height:65svh;max-height:680px;object-fit:contain;transform:none}
.piece-dialog-frame>figcaption{font:14px/1.5 var(--sans);padding:8px;color:var(--piece-photo-ink)}
.piece-dialog-navigation{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}
.piece-photo-dialog [hidden]{display:none!important}
.piece-page[data-reader="v20"] .piece-open-photo{display:block;margin:12px auto 0;max-width:100%}
.piece-comparison-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.piece-comparison-grid figure{margin:0;min-width:0}
.piece-comparison-grid img{position:static;width:100%;height:55svh;object-fit:contain;transform:none}
.piece-comparison-grid figcaption{font:14px/1.5 var(--sans);padding:8px 0}
.piece-comparison-grid label{display:flex;align-items:center;gap:12px;font:14px/1.5 var(--sans)}
.piece-comparison-grid select{width:100%;min-height:44px;background:var(--portal-bg);color:var(--portal-ink);border:1px solid var(--piece-border);border-radius:4px;padding:8px}
.piece-page[data-reader="v20"][data-interaction="photo-gallery"] .piece-reading>.piece-section{max-width:620px;padding:24px 0}
.piece-page[data-reader="v20"][data-interaction="photo-gallery"] .has-collage .piece-photo-rail{height:0;overflow:hidden}
.piece-page[data-reader="v20"][data-interaction="photo-sequence"] .piece-reading>.piece-section{max-width:680px}
.piece-page[data-reader="v20"][data-interaction="photo-frame"] .piece-identity>.piece-section{margin-top:24px;padding-top:20px;border-top:1px solid var(--piece-border);background:none;color:inherit}
.piece-page[data-reader="v20"][data-interaction="photo-frame"] .piece-identity .piece-section-title{font:500 20px/1.3 var(--sans);color:inherit}
.piece-page[data-reader="v20"][data-interaction="photo-frame"] .piece-identity .piece-section p{font:16px/1.65 var(--sans);color:inherit}
.piece-page[data-reader="v20"][data-interaction="photo-frame"] .piece-photo-thumbnails{position:static;flex-direction:row;overflow-x:auto;justify-content:center}
.piece-page[data-reader="v20"][data-interaction="reading-sequence"] .piece-photo-rail{display:block;height:auto;overflow:visible}
.piece-page[data-reader="v20"][data-interaction="reading-sequence"] .piece-photo-slide{height:360px;width:100%;margin:0 0 24px}
.piece-page[data-reader="v20"][data-interaction="reading-sequence"] .piece-reading-index{display:contents}
.piece-page[data-reader="v20"][data-interaction="reading-sequence"] .piece-reading-index>summary{display:none}
.piece-page[data-reader="v20"][data-interaction="reading-sequence"] .piece-reading-index .piece-index{display:flex}
.piece-page[data-reader="v20"][data-interaction="reading-sequence"] .piece-index a[aria-current="location"]{font-weight:700;text-decoration-thickness:2px}
.piece-page[data-reader="v20"][data-interaction="type-chapters"] .piece-reading{max-width:1000px}
.piece-page[data-reader="v20"][data-interaction="type-chapters"] .piece-tab-panels>.piece-section{font:22px/1.5 var(--sans);padding:32px 0}
.piece-page[data-reader="v20"][data-interaction="type-chapters"] .piece-tab-panels .piece-section-title{font-size:32px}
.piece-page[data-reader="v20"][data-interaction="type-chapters"] .piece-tab-panels .piece-section p{font-size:20px;line-height:1.6}
.piece-chapter-navigation{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0;border-block-start:1px solid var(--piece-border);font:14px/1.5 var(--sans)}
@container(max-width:600px){
 .piece-page[data-reader="v20"][data-interaction="document-tabs"] .piece-hero{display:flex;flex-direction:column;gap:20px}
 .piece-page[data-reader="v20"][data-interaction="document-tabs"] .piece-identity{display:block;width:100%;order:1}
 .piece-page[data-reader="v20"][data-interaction="document-tabs"] .piece-media{order:0}
 .piece-page[data-reader="v20"] .piece-photo-dialog{width:calc(100vw - 24px);padding:16px}
 .piece-dialog-header h2{font-size:20px}
 .piece-comparison-grid{grid-template-columns:1fr;gap:20px}
 .piece-comparison-grid img{height:300px}
 .piece-page[data-reader="v20"][data-interaction="reading-sequence"] .piece-reading-index{display:block;margin:16px 0}
 .piece-page[data-reader="v20"][data-interaction="reading-sequence"] .piece-reading-index>summary{display:list-item;min-height:44px;padding:12px 0;font:500 15px/1.4 var(--sans)}
 .piece-page[data-reader="v20"][data-interaction="reading-sequence"] .piece-reading-index:not([open]) .piece-index{display:none}
 .piece-page[data-reader="v20"][data-interaction="type-chapters"] .piece-tab-panels .piece-section-title{font-size:26px}
 .piece-page[data-reader="v20"][data-interaction="type-chapters"] .piece-tab-panels .piece-section p{font-size:17px}
}

/* Explicit areas replace the legacy display:contents arrangements after moving sections. */
@container(min-width:601px){
 .piece-page[data-reader="v20"][data-interaction="document-tabs"]{display:grid;grid-template-columns:minmax(0,42fr) minmax(0,58fr);gap:24px;align-items:start}
 .piece-page[data-reader="v20"][data-interaction="document-tabs"] .piece-hero{display:contents}
 .piece-page[data-reader="v20"][data-interaction="document-tabs"] .piece-media{grid-column:1;grid-row:1/3;width:100%;min-width:0;min-height:0;max-height:none;height:auto;aspect-ratio:auto;align-self:start}
 .piece-page[data-reader="v20"][data-interaction="document-tabs"] .piece-photo-rail{height:auto;aspect-ratio:1}
 .piece-page[data-reader="v20"][data-interaction="document-tabs"] .piece-identity{display:block;grid-column:2;grid-row:1;width:100%;padding:0;min-width:0}
 .piece-page[data-reader="v20"][data-interaction="document-tabs"] .piece-reading{display:block;grid-column:2;grid-row:2;margin:0;width:100%;max-width:none}
}
.piece-page[data-reader="v20"][data-interaction="reading-sequence"]{display:block}
.piece-page[data-reader="v20"][data-interaction="reading-sequence"] .piece-reading-index{display:block}
.piece-page[data-reader="v20"][data-interaction="reading-sequence"] .piece-media{width:100%;height:auto;max-height:none;aspect-ratio:auto;overflow:visible;margin:24px 0}
.piece-page[data-reader="v20"][data-interaction="reading-sequence"]>.piece-section-story{width:100%;margin:0 0 24px;padding:0;border:0}
.piece-page[data-reader="v20"][data-interaction="type-chapters"]{display:block;text-align:center}
.piece-page[data-reader="v20"][data-interaction="type-chapters"]>.piece-section-story{max-width:1000px;margin:24px auto;padding:0;border:0}
.piece-page[data-reader="v20"][data-interaction="type-chapters"]>.piece-section-story p{font:36px/1.4 var(--serif);max-width:45ch;margin:0 auto}
.piece-page[data-reader="v20"][data-interaction="type-chapters"]>.piece-media{margin:24px auto;width:52%;max-width:620px;height:auto;aspect-ratio:auto}
.piece-page[data-reader="v20"][data-interaction="type-chapters"] .piece-reading{text-align:left;margin-top:28px}
.piece-dialog-image-stage{height:min(65svh,680px);overflow:hidden;position:relative}
.piece-dialog-image-stage>img{position:static;display:block;width:100%;height:100%;max-height:100%;object-fit:contain}
.piece-comparison-image-stage{height:55svh;overflow:hidden;position:relative;background:var(--piece-photo-bg)}
.piece-comparison-image-stage>img{position:static;display:block;width:100%;height:100%;object-fit:contain}
@container(max-width:600px){
 .piece-page[data-reader="v20"][data-interaction="type-chapters"]>.piece-media{width:100%;max-width:none}
 .piece-page[data-reader="v20"][data-interaction="type-chapters"]>.piece-section-story p{font-size:24px}
 .piece-comparison-image-stage{height:300px}
 .piece-comparison-image-stage>img{height:100%}
}

.piece-page[data-reader="v20"][data-interaction="photo-sequence"]{display:block}
.piece-page[data-reader="v20"][data-interaction="photo-sequence"]>.piece-media{height:auto;aspect-ratio:auto;min-height:0}
.piece-page[data-reader="v20"][data-interaction="photo-sequence"] .piece-photo-rail{height:auto;aspect-ratio:3/2}
.piece-page[data-reader="v20"][data-interaction="photo-sequence"] .piece-reading{display:block;max-width:680px;margin:28px auto 0}
.piece-page[data-reader="v20"][data-interaction="photo-frame"]{display:block}
.piece-frame-layout{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,3fr);gap:0;align-items:start}
.piece-page[data-reader="v20"][data-interaction="photo-frame"] .piece-frame-layout>.piece-media{height:auto;min-height:0;max-height:none;aspect-ratio:auto;grid-area:auto;align-self:start}
.piece-page[data-reader="v20"][data-interaction="photo-frame"] .piece-frame-layout>.piece-identity{display:block;width:100%;min-width:0;padding:24px;grid-area:auto;background:var(--piece-base-text);color:var(--piece-base-bg)}
.piece-page[data-reader="v20"][data-interaction="photo-frame"] .piece-photo-rail{height:clamp(360px,50cqw,760px)}
.piece-page[data-reader="v20"][data-interaction="photo-frame"] .piece-identity .piece-index{display:flex;flex-direction:column;align-items:flex-start;gap:0;margin:20px 0}
.piece-page[data-reader="v20"][data-interaction="photo-frame"] .piece-reading{display:block;margin:24px auto 0}
@container(max-width:600px){
 .piece-frame-layout{display:flex;flex-direction:column}
 .piece-page[data-reader="v20"][data-interaction="photo-frame"] .piece-frame-layout>.piece-media{width:100%;order:0}
 .piece-page[data-reader="v20"][data-interaction="photo-frame"] .piece-frame-layout>.piece-identity{order:1;padding:20px}
 .piece-page[data-reader="v20"][data-interaction="photo-frame"] .piece-photo-rail{height:360px}
 .piece-page[data-reader="v20"][data-interaction="photo-frame"] .piece-identity .piece-index{flex-direction:row;flex-wrap:wrap;gap:4px 14px}
}

/* Active catalog chapters keep their own height; the full chapter remains scrollable. */
.piece-page[data-reader="v20"][data-interaction="chapters"] .piece-useful-rail{overflow-y:hidden}
@container(max-width:600px){
 .piece-page[data-reader="v20"][data-interaction="photo-comparison"] .portal-wordmark{position:static;display:flex;flex-direction:row;align-items:center;justify-content:center;gap:12px;height:auto;width:100%;padding:12px 0}
 .piece-page[data-reader="v20"][data-interaction="photo-comparison"] .brand-initials{flex:0 0 44px;width:44px;height:44px;font-size:28px;aspect-ratio:1;margin:0}
 .piece-page[data-reader="v20"][data-interaction="photo-comparison"] .brand-name{position:static;max-width:calc(100% - 60px);font-size:18px;line-height:1.3}
}

/* Personal occasion: physical identity and the jeweller remain distinct. */
.piece-page[data-occasion] .piece-object-name{display:block;font:500 16px/1.5 var(--sans);margin-top:14px;letter-spacing:normal}
.piece-page[data-occasion] .piece-occasion-date{display:block;font:400 14px/1.5 var(--sans);margin-top:6px;letter-spacing:normal;color:var(--portal-sub)}
.piece-page[data-occasion] .piece-section-dedication{margin:24px 0;padding:20px 0;border-block:1px solid var(--piece-border);max-width:65ch}
.piece-page[data-occasion] .piece-section-dedication .piece-section-title{font:500 18px/1.4 var(--sans);margin:0 0 12px}
.piece-page[data-occasion] .piece-section-dedication p{font:24px/1.5 var(--serif);white-space:pre-wrap;margin:0 0 12px}
.piece-page[data-occasion] .piece-section-dedication .piece-gift-from{font:500 15px/1.5 var(--sans);margin:12px 0 0}
.occasion-editor{border:0;border-top:1px solid var(--border,#D9DCD5);padding:24px 0;margin:20px 0}
.occasion-editor legend{font:600 18px/1.4 var(--sans);padding:0 0 12px}
.occasion-editor select{width:100%;min-height:50px;padding:12px;border:1px solid var(--border,#D9DCD5);border-radius:8px;background:#fff;color:#242622}
.occasion-fields[hidden]{display:none!important}
@container(max-width:600px){.piece-page[data-occasion] .piece-section-dedication p{font-size:22px}}

.piece-occasion-motif{display:block;width:48px;height:32px;margin:0 0 16px;color:var(--portal-accent)}
.piece-page[data-occasion] .piece-recipient{display:block;font:500 18px/1.5 var(--sans);margin-top:12px}
.piece-page[data-occasion=wedding] .piece-section-dedication{text-align:center;padding:28px 16px}
.piece-page[data-occasion=promise] .piece-section-dedication{padding-left:22px;border-left:2px solid var(--portal-accent);border-block:0}
.piece-page[data-occasion=birthday] .piece-occasion-date{display:inline-block;padding:10px 14px;border:1px solid var(--piece-border);border-radius:50%;margin-top:14px;font-weight:500}
.piece-page[data-occasion=gift] .piece-section-dedication{padding:22px;border:1px solid var(--piece-border)}
.piece-page[data-occasion=gift] .piece-gift-from{border-top:1px solid var(--piece-border);padding-top:12px}
.piece-page[data-occasion=anniversary] .piece-section-dedication{border-top:3px double var(--piece-border);border-bottom:0}

.piece-page[data-occasion] .piece-occasion-title{font:inherit;line-height:inherit;letter-spacing:inherit;margin:0}
.occasion-summary{display:none}
@media(max-width:1100px){.occasion-summary:not([hidden]){display:block;background:#fff;border:1px solid #D9DCD5;border-radius:8px;padding:20px;margin:16px 0 24px}.occasion-summary h3{font:500 25px/1.2 var(--serif);margin:0 0 12px}.occasion-summary p{white-space:pre-wrap;font:16px/1.5 var(--sans);margin:8px 0}}

.piece-page[data-occasion]>.piece-section-dedication{margin-inline:auto;width:100%;grid-column:1/-1;grid-row:auto}
.piece-page[data-occasion][data-style=catalog] .piece-hero>.piece-section-dedication{order:0;width:100%;align-self:center;margin:8px auto;max-width:65ch}
.piece-page[data-occasion][data-style=frame] .piece-identity .piece-occasion-motif{color:inherit}
.piece-page[data-occasion][data-style=folio] .book-cover .piece-occasion-title{font:inherit}
.piece-page[data-occasion][data-style=folio] .piece-section-dedication{max-width:none;width:100%;margin:0;padding:16px 0}
.public-occasion-choices{display:flex;justify-content:center;gap:12px;margin:24px auto}
.public-occasion-choices button{min-height:44px;padding:10px 24px;border:1px solid #D9DCD5;border-radius:8px;background:#fff;color:#242622;font:500 16px/1.4 var(--sans)}
.public-occasion-choices button[aria-pressed=true]{background:#25352B;color:#fff;border-color:#25352B}
.public-occasion-choices button:focus-visible{outline:3px solid #395F8C;outline-offset:3px}

/* Occasion metadata shares the cover's finite page height with the complete photograph. */
.piece-page[data-reader="v20"][data-occasion].piece-book[data-book-engine]:not([data-book-passive]) .book-cover .piece-hero{height:100%;min-height:0;gap:12px;justify-content:flex-start}
.piece-page[data-reader="v20"][data-occasion].piece-book[data-book-engine]:not([data-book-passive]) .book-cover .piece-media:not(.theme-portrait .piece-media){flex:1 1 0;height:0;min-height:100px;aspect-ratio:auto;max-height:none}
.piece-page[data-reader="v20"][data-occasion].piece-book[data-book-engine]:not([data-book-passive]) .book-cover .piece-photo-rail{height:100%;min-height:0}
.piece-page[data-reader="v20"][data-occasion].piece-book[data-book-engine] .book-cover .piece-occasion-motif{margin:0 auto 8px;width:36px;height:24px}
.piece-page[data-reader="v20"][data-occasion].piece-book[data-book-engine] .book-cover .piece-object-name{margin-top:8px}
@container(max-width:600px){.piece-page[data-reader="v20"][data-occasion] .piece-index{justify-content:flex-start}}


/* The occasion and design are independent controls over one production reader. */
.public-occasion-presentation{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:1200px;margin:28px auto;padding:0 24px}
.public-occasion-presentation .public-occasion-choices{justify-content:flex-start;flex-wrap:wrap;margin:0;gap:8px}
.public-occasion-presentation .public-occasion-choices button{display:flex;align-items:center;gap:8px;padding:12px 16px;min-height:52px}
.public-occasion-presentation .piece-occasion-motif{margin:0;width:32px;height:24px;color:inherit}
.public-occasion-design{display:flex;flex-direction:column;gap:8px;font:500 14px/1.4 var(--sans);color:#242622;min-width:180px}
.public-occasion-design select{min-height:50px;padding:10px 32px 10px 14px;border:1px solid #D9DCD5;border-radius:8px;background:#fff;color:#242622;font:400 16px/1.4 var(--sans)}
.book-complete-reading{max-width:880px;margin:18px auto 0;padding:0;border:1px solid var(--piece-border);border-radius:8px;background:var(--portal-bg);color:var(--portal-ink)}
.book-complete-reading>summary{min-height:44px;padding:12px 16px;cursor:pointer;font:500 16px/1.4 var(--sans)}
.book-complete-text{padding:16px 24px;max-width:70ch;margin:auto}
.book-complete-section{margin:24px 0;padding:20px 0;border-top:1px solid var(--piece-border)}
.book-complete-text p{font:17px/1.7 var(--sans);white-space:pre-wrap;margin:12px 0}
.book-complete-text :is(h2,h3,h4){font:500 24px/1.3 var(--sans);margin:0 0 16px}
@media(max-width:760px){.public-occasion-presentation{display:block;padding:0 20px}.public-occasion-presentation .public-occasion-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin-bottom:20px}.public-occasion-presentation .public-occasion-choices button{justify-content:center;padding:10px 8px}.public-occasion-design{width:100%}}

#resultTitle{scroll-margin-top:88px}

.piece-book[data-book-engine] :is(.book-page-visual,.piece-care-visual){overflow:clip}
.piece-book[data-book-engine] .book-cover .piece-photo-rail:has(>.piece-photo-slide:only-child){overflow:clip}
/* v28: document navigation is replaced with the actual visible reading. */
.piece-page[data-reader][data-reading=flow] :is(.piece-tab-panels,.piece-document-tabs,.piece-type-chapters,.piece-documents){display:block;height:auto;min-height:0;max-height:none;overflow:visible}
.piece-page[data-reader][data-reading=flow] .piece-useful-rail{display:block;height:auto;min-height:0;max-height:none;overflow:visible;scroll-snap-type:none}
.piece-page[data-reader][data-reading=flow] .piece-useful-rail>.piece-section{width:100%;min-width:0;max-width:none;margin:0 0 24px;scroll-snap-align:none}
.piece-page[data-reader][data-reading=flow] .piece-section[hidden]{display:block}
/* v33 Marco / Cosmos: a photograph in a mat, with an independent narrow inspector. */
.piece-page[data-reader][data-style=frame][data-interaction=photo-frame]{display:block;width:100%;max-width:1160px;margin:0 auto;padding:32px;background:var(--portal-bg);color:var(--portal-ink)}
.piece-page[data-reader][data-style=frame][data-interaction=photo-frame] .piece-frame-layout{display:grid;grid-template-columns:minmax(0,62fr) minmax(0,30fr);gap:8%;align-items:start}
.piece-page[data-reader][data-style=frame][data-interaction=photo-frame] .piece-frame-layout>.piece-media{grid-area:auto;width:100%;height:auto;min-height:0;max-height:none;aspect-ratio:auto;padding:40px;background:var(--portal-soft);border:1px solid var(--piece-border)}
.piece-page[data-reader][data-style=frame][data-interaction=photo-frame] .piece-photo-rail{height:auto;aspect-ratio:1/1}
.piece-page[data-reader][data-style=frame][data-interaction=photo-frame] .piece-photo-slide img{position:static;inset:auto;width:100%;height:100%;max-width:100%;max-height:100%;object-fit:contain}
.piece-page[data-reader][data-style=frame][data-interaction=photo-frame] .piece-frame-layout>.piece-identity{display:block;grid-area:auto;min-width:0;width:100%;padding:0;background:var(--portal-bg);color:var(--portal-ink)}
.piece-page[data-reader][data-style=frame][data-interaction=photo-frame] :is(.portal-wordmark,.piece-title,.piece-collection,.piece-index,.example-caption,.piece-section){--portal-bg:var(--piece-base-bg,#F1F2F2);--portal-ink:var(--piece-base-text,#242A2D);--portal-accent:var(--piece-base-accent,#536C73);--portal-sub:var(--piece-base-text,#242A2D);background:transparent;color:var(--portal-ink);border-color:var(--piece-border);grid-area:auto}
.piece-page[data-reader][data-style=frame][data-interaction=photo-frame] .portal-wordmark{justify-content:flex-start;align-items:flex-start;margin:0 0 12px}
.piece-page[data-reader][data-style=frame][data-interaction=photo-frame] .brand-name{font:500 14px/1.5 var(--sans)}
.piece-page[data-reader][data-style=frame][data-interaction=photo-frame] .piece-title{font:500 clamp(30px,3cqw,36px)/1.12 var(--serif);margin:0 0 24px;text-align:left;max-width:none}
.piece-page[data-reader][data-style=frame][data-interaction=photo-frame] .piece-section{display:block;width:100%;max-width:none;margin:0;padding:20px 0;border-top:1px solid var(--piece-border)}
.piece-page[data-reader][data-style=frame][data-interaction=photo-frame] .piece-section-title{font:500 17px/1.4 var(--sans);margin:0 0 10px}
.piece-page[data-reader][data-style=frame][data-interaction=photo-frame] .piece-section p{font:400 16px/1.65 var(--sans);margin:0 0 10px}
.piece-page[data-reader][data-style=frame][data-interaction=photo-frame] .piece-reading{display:grid;grid-template-columns:1fr 1fr;gap:32px;max-width:none;width:100%;margin:32px 0 0}
@container piece-frame (max-width:680px){
 .piece-page[data-reader][data-style=frame][data-interaction=photo-frame]{padding:20px 16px}
 .piece-page[data-reader][data-style=frame][data-interaction=photo-frame] .piece-frame-layout{display:flex;flex-direction:column;gap:28px}
 .piece-page[data-reader][data-style=frame][data-interaction=photo-frame] .piece-frame-layout>.piece-media{padding:24px}
 .piece-page[data-reader][data-style=frame][data-interaction=photo-frame] .piece-reading{display:block}
}
.piece-page[data-reader][data-style=frame][data-interaction=photo-frame] :is(.piece-identity,.portal-wordmark,.brand-name,.piece-section,.piece-section-title){text-align:left}
/* v33 Diario / Substack: a straight editorial column with image before prose. */
.piece-page[data-reader][data-style=journal]{display:block;width:100%;max-width:760px;margin:0 auto;padding:40px 64px;background:var(--portal-bg);color:var(--portal-ink);text-align:left}
.piece-page[data-reader][data-style=journal] :is(.portal-wordmark,.piece-title,.piece-collection,.piece-media,.piece-section,.piece-reading){grid-area:auto;max-width:none;width:100%;margin-inline:0;text-align:left}
.piece-page[data-reader][data-style=journal] .portal-wordmark{align-items:flex-start;justify-content:flex-start;margin:0 0 18px}
.piece-page[data-reader][data-style=journal] .brand-name{font:500 14px/1.5 var(--sans)}
.piece-page[data-reader][data-style=journal] .piece-title{font:500 clamp(36px,3.4cqw,44px)/1.12 var(--serif);font-style:normal;margin:0 0 28px}
.piece-page[data-reader][data-style=journal] .piece-media{padding:0;background:var(--piece-photo-bg);aspect-ratio:auto;min-height:0;height:auto}
.piece-page[data-reader][data-style=journal] .piece-photo-sequence .piece-photo-rail{display:block;height:auto;aspect-ratio:auto;overflow:visible}
.piece-page[data-reader][data-style=journal] .piece-photo-slide{height:auto;aspect-ratio:3/2;margin:0 0 20px}
.piece-page[data-reader][data-style=journal] .piece-photo-slide img{inset:auto;position:static;width:100%;height:100%;max-width:100%;max-height:100%;object-fit:contain}
.piece-page[data-reader][data-style=journal] .piece-section{display:block;margin:24px 0;padding:24px 0;border-top:1px solid var(--piece-border)}
.piece-page[data-reader][data-style=journal]>.piece-section-material{background:var(--portal-soft);padding:20px;margin:24px 0}
.piece-page[data-reader][data-style=journal] .piece-section-title{font:500 19px/1.4 var(--sans);margin:0 0 12px}
.piece-page[data-reader][data-style=journal] .piece-section p{font:400 17px/1.7 var(--sans);margin:0 0 12px}
.piece-page[data-reader][data-style=journal] .piece-section-story p{font:400 22px/1.65 var(--serif);max-width:none}
.piece-page[data-reader][data-style=journal] .piece-journal-chapters{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px}
.piece-page[data-reader][data-style=journal] .piece-reading{display:block;margin:0;padding:0}
/* v33 Objeto / H&M: photograph and technical information from the first view. */
.piece-page[data-reader][data-style=specimen]{display:block;width:100%;max-width:1180px;margin:0 auto;padding:36px;background:var(--portal-bg);color:var(--portal-ink);text-align:left}
.piece-page[data-reader][data-style=specimen] .piece-specimen-layout{display:grid;grid-template-columns:minmax(0,52fr) minmax(0,48fr);gap:36px;align-items:start}
.piece-page[data-reader][data-style=specimen] :is(.piece-media,.piece-identity,.piece-section,.piece-reading,.portal-wordmark,.piece-title,.piece-collection){display:block;grid-area:auto;width:100%;max-width:none;margin-inline:0;text-align:left}
.piece-page[data-reader][data-style=specimen] .piece-specimen-layout>.piece-media{padding:0;height:auto;min-height:0;max-height:none;aspect-ratio:auto;background:var(--piece-photo-bg)}
.piece-page[data-reader][data-style=specimen] .piece-photo-rail{height:auto;aspect-ratio:4/5}
.piece-page[data-reader][data-style=specimen] .piece-photo-slide img{position:static;inset:auto;width:100%;height:100%;max-width:100%;max-height:100%;object-fit:contain}
.piece-page[data-reader][data-style=specimen] .portal-wordmark{margin:0 0 18px}
.piece-page[data-reader][data-style=specimen] .brand-name{font:500 14px/1.5 var(--sans)}
.piece-page[data-reader][data-style=specimen] .piece-title{font:500 clamp(30px,3cqw,36px)/1.12 var(--sans);margin:0 0 24px}
.piece-page[data-reader][data-style=specimen] .piece-section{margin:0;padding:20px 0;border-top:1px solid var(--piece-border)}
.piece-page[data-reader][data-style=specimen] .piece-section-title{font:500 18px/1.4 var(--sans);margin:0 0 10px}
.piece-page[data-reader][data-style=specimen] .piece-section p{font:400 17px/1.65 var(--sans);max-width:none;margin:0 0 10px}
.piece-page[data-reader][data-style=specimen] .piece-section-material .piece-material-name{font-weight:600}
.piece-page[data-reader][data-style=specimen] .piece-section-story p{font:400 17px/1.65 var(--sans)}
.piece-page[data-reader][data-style=specimen] .piece-reading{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin:32px 0 0;padding:0}
.piece-page[data-reader]:is([data-style=frame],[data-style=journal],[data-style=specimen]) .piece-photo-slide:only-child figcaption{display:none}
@container piece-frame (max-width:680px){
 .piece-page[data-reader][data-style=journal]{padding:24px 20px}
 .piece-page[data-reader][data-style=journal] .piece-title{font-size:34px}
 .piece-page[data-reader][data-style=journal] .piece-section-story p{font-size:20px}
 .piece-page[data-reader][data-style=journal] .piece-journal-chapters{display:block}
 .piece-page[data-reader][data-style=specimen]{padding:20px 16px}
 .piece-page[data-reader][data-style=specimen] .piece-specimen-layout{display:flex;flex-direction:column;gap:28px}
 .piece-page[data-reader][data-style=specimen] .piece-title{font-size:30px}
 .piece-page[data-reader][data-style=specimen] .piece-reading{display:block}
}
.piece-page[data-reader][data-style=specimen] .piece-section p{text-align:left}

/* v34: document controls change the visible information, rather than jumping. */
.piece-page[data-reader][data-reading=interactive] .piece-tabs{scroll-margin-top:20px}
.piece-page[data-reader][data-reading=interactive] .piece-tabs button{min-height:44px;padding:10px 14px;border:1px solid var(--piece-border);border-radius:6px;font:500 14px/1.4 var(--sans);cursor:pointer}
.piece-page[data-reader][data-reading=interactive] .piece-tab-panels>.piece-section[hidden]{display:none}
.piece-page[data-reader][data-reading=interactive] .piece-rail-navigation{display:flex;gap:16px;align-items:center;justify-content:space-between;padding:16px 0;font:14px/1.4 var(--sans)}
.piece-page[data-reader][data-reading=interactive] .piece-rail-navigation button{min-height:44px;padding:10px 16px;border:1px solid var(--piece-border);border-radius:6px;background:var(--portal-bg);color:var(--portal-ink);font:500 14px/1.4 var(--sans);cursor:pointer}
.piece-page[data-reader][data-reading=interactive] .piece-rail-navigation button:disabled{opacity:.5;cursor:default}
.piece-page[data-reader][data-reading=interactive] .piece-useful-rail{overscroll-behavior:auto}
.piece-page[data-reader][data-reading=interactive] .piece-tabs button:focus-visible,.piece-page[data-reader][data-reading=interactive] .piece-rail-navigation button:focus-visible{outline:3px solid var(--portal-accent);outline-offset:3px}

/* v34: each interaction follows the actual composition of its model. */
.piece-page[data-reader][data-style=signature] .piece-documents{max-width:none;margin:20px 0 0}
.piece-page[data-reader][data-style=signature] .piece-disclosure>.piece-section{padding:0 0 20px;margin:0;border:0}
.piece-page[data-reader][data-style=gallery] .piece-media:not(.has-collage){min-height:0;height:auto;aspect-ratio:auto}
.piece-page[data-reader][data-style=gallery] .piece-media:not(.has-collage) .piece-photo-rail{height:clamp(240px,42cqw,440px)}
.piece-page[data-reader][data-interaction=cover-story]{display:block;max-width:1200px;margin:auto;padding:32px;color:var(--portal-ink);background:var(--portal-bg)}
.piece-page[data-reader][data-interaction=cover-story]>.portal-wordmark{display:block;font-size:18px;margin:0 0 16px;background:none;color:var(--portal-ink)}
.piece-page[data-reader][data-interaction=cover-story] .piece-cover-stage{display:grid;grid-template-columns:1fr;align-items:end;position:relative}
.piece-page[data-reader][data-interaction=cover-story] .piece-cover-stage>.piece-media{grid-area:1/1;width:100%;height:auto;min-height:0;max-height:none;aspect-ratio:3/2;background:var(--piece-photo-bg);padding:0;margin:0}
.piece-page[data-reader][data-interaction=cover-story] .piece-photo-rail{height:100%}
.piece-page[data-reader][data-interaction=cover-story] .piece-cover-card{grid-area:1/1;position:relative;z-index:1;justify-self:end;align-self:end;width:min(420px,44%);margin:24px;padding:24px;background:var(--portal-bg);color:var(--portal-ink);border:1px solid var(--piece-border);box-shadow:0 8px 20px -12px #0005}
.piece-page[data-reader][data-interaction=cover-story] .piece-cover-card .piece-title{grid-area:auto;margin:0 0 20px;width:100%;max-width:none;font:500 clamp(28px,3.2cqw,40px)/1.1 var(--sans);text-align:left}
.piece-page[data-reader][data-interaction=cover-story] .piece-type-chapters{display:block;width:100%;max-width:none}
.piece-page[data-reader][data-interaction=cover-story] .piece-tab-panels>.piece-section{display:block;padding:0;margin:0;border:0;width:100%;max-width:none}
.piece-page[data-reader][data-interaction=cover-story] .piece-tab-panels>.piece-section .piece-section-title{font:500 18px/1.4 var(--sans);margin:0 0 8px}
.piece-page[data-reader][data-interaction=cover-story] .piece-tab-panels>.piece-section p{font:400 16px/1.6 var(--sans);margin:0}
.piece-page[data-reader][data-interaction=cover-story] .piece-reading{display:block;max-width:680px;margin:32px auto 0}
.piece-page[data-reader][data-interaction=photo-comparison]{display:block;padding:32px}
.piece-page[data-reader][data-interaction=photo-comparison] .piece-diptych-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center}
.piece-page[data-reader][data-interaction=photo-comparison] .piece-diptych-layout>.piece-media{display:block;grid-area:auto;width:100%;height:auto;min-height:0;aspect-ratio:4/5;background:var(--piece-photo-bg);margin:0;padding:0}
.piece-page[data-reader][data-interaction=photo-comparison] .piece-photo-rail{height:100%}
.piece-page[data-reader][data-interaction=photo-comparison] .piece-diptych-layout>.piece-identity{display:block;grid-area:auto;width:100%;padding:24px;text-align:left;background:transparent}
.piece-page[data-reader][data-interaction=photo-comparison] .portal-wordmark{width:auto;height:auto;min-height:0;aspect-ratio:auto;border:0;border-radius:0;display:block;text-align:left;padding:0;margin:0 0 20px;background:none;color:var(--portal-ink)}
.piece-page[data-reader][data-interaction=photo-comparison] .brand-initials{display:none}
.piece-page[data-reader][data-interaction=photo-comparison] .brand-name{font:500 20px/1.4 var(--sans);display:block}
.piece-page[data-reader][data-interaction=photo-comparison] .piece-title{grid-area:auto;margin:0 0 24px;max-width:none;font:500 clamp(30px,4cqw,48px)/1.12 var(--serif);text-align:left}
.piece-page[data-reader][data-style=journal] .piece-journal-chapters{display:block}
.piece-page[data-reader][data-style=journal] .piece-journal-chapters>.piece-documents{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;max-width:none}
.piece-page[data-reader][data-style=journal] .piece-disclosure{min-width:0}
.piece-page[data-reader][data-style=journal] .piece-disclosure>.piece-section{padding:8px 0 20px;border:0;margin:0}
.piece-page[data-reader][data-style=specimen] .piece-object-options{display:grid;gap:12px;width:100%;margin-top:24px}
.piece-page[data-reader][data-style=specimen] .piece-object-option{border:1px solid var(--piece-border);border-radius:8px;background:var(--portal-soft)}
.piece-page[data-reader][data-style=specimen] .piece-object-option>summary{display:flex;gap:12px;align-items:center;min-height:64px;padding:16px;cursor:pointer;font:500 17px/1.4 var(--sans)}
.piece-page[data-reader][data-style=specimen] .piece-object-option>summary::after{content:'+';margin-left:auto;font-size:22px}
.piece-page[data-reader][data-style=specimen] .piece-object-option[open]>summary::after{content:'−'}
.piece-page[data-reader][data-style=specimen] .piece-object-option>summary svg{width:24px;height:24px;flex:none}
.piece-page[data-reader][data-style=specimen] .piece-object-option>.piece-section{padding:0 16px 16px;margin:0;border:0;width:100%;max-width:none}
.piece-page[data-reader][data-style=specimen] .piece-object-option>.piece-section>.piece-section-title{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
@container piece-frame (max-width:680px){
 .piece-page[data-reader][data-interaction=cover-story]{padding:16px}
 .piece-page[data-reader][data-interaction=cover-story] .piece-cover-stage>.piece-media{grid-area:auto;aspect-ratio:3/2}
 .piece-page[data-reader][data-interaction=cover-story] .piece-cover-card{grid-area:auto;width:calc(100% - 24px);margin:-20px auto 0;padding:20px}
 .piece-page[data-reader][data-interaction=photo-comparison]{padding:20px}
 .piece-page[data-reader][data-interaction=photo-comparison] .piece-diptych-layout{display:block}
 .piece-page[data-reader][data-interaction=photo-comparison] .piece-diptych-layout>.piece-media{aspect-ratio:4/3}
 .piece-page[data-reader][data-interaction=photo-comparison] .piece-diptych-layout>.piece-identity{padding:24px 0 0}
 .piece-page[data-reader][data-style=journal] .piece-journal-chapters>.piece-documents{grid-template-columns:1fr;gap:0}
}

.piece-page[data-reader] .portal-wordmark .piece-library-notice{display:block;flex-basis:100%;font:400 12px/1.5 var(--sans);letter-spacing:0;text-transform:none;color:var(--portal-sub);margin:4px 0 0}.piece-page[data-reader] .portal-wordmark:has(.piece-library-notice){flex-wrap:wrap}

.piece-page[data-reader] :is(.piece-tabs,.piece-useful-controls,.piece-rail-navigation)[hidden]{display:none}

/* v46 central / Shopify: product and information respond to available reader width. */
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]){display:block;max-width:1160px;width:100%;padding:28px;background:var(--portal-bg);color:var(--portal-ink);margin:auto}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary])>.piece-hero{display:grid;grid-template-columns:minmax(0,52fr) minmax(0,48fr);gap:28px;align-items:start;width:100%;margin:0;padding:0}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-hero>.piece-media{display:block;grid-area:auto;width:100%;height:auto;min-height:0;aspect-ratio:auto;padding:0;margin:0;align-self:start;border:1px solid var(--piece-border);background:var(--piece-photo-bg);border-radius:8px}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-hero>.piece-media .piece-photo-rail{height:clamp(300px,40cqw,440px)}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-identity{display:block;grid-area:auto;width:100%;padding:4px 0 0;margin:0;text-align:left}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .portal-wordmark{display:flex;align-items:center;justify-content:flex-start;gap:12px;min-height:0;margin:0 0 16px;width:100%;line-height:1.4}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .brand-name{font:500 18px/1.4 var(--sans)}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-title{grid-area:auto;font:600 clamp(30px,3.5cqw,42px)/1.15 var(--sans);margin:0 0 20px;text-align:left;max-width:none;letter-spacing:-.025em}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-section{grid-area:auto;width:100%;max-width:none;padding:16px 0;margin:0;border:0}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-section p{font:400 16px/1.6 var(--sans);max-width:65ch;overflow-wrap:break-word}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-section-title{font:600 18px/1.4 var(--sans);margin:0 0 8px}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-primary-material{border-block:1px solid var(--piece-border);margin-bottom:16px}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-disclosure>summary{min-height:44px;padding-block:12px;font:500 16px/1.45 var(--sans)}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-documents{margin:16px 0 0;border-top:1px solid var(--piece-border)}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary])>.piece-reading{display:block;max-width:720px;margin:28px auto 0;padding-top:20px;border-top:1px solid var(--piece-border)}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-primary-material .piece-section{padding-bottom:16px}
@container piece-frame (max-width:760px){
 .piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]){padding:20px!important}
 .piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary])>.piece-hero{display:flex;flex-direction:column;gap:24px}
 .piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-hero>.piece-media{order:0;width:100%;padding:0}
 .piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-hero>.piece-media .piece-photo-rail{height:clamp(220px,42cqw,280px)}
 .piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-identity{order:1}
 .piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-title{font-size:30px}
}

.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .portal-wordmark{align-items:flex-start;text-align:left}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .portal-rule{margin-left:0}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable .piece-photo-rail{height:auto;min-height:112px;padding:16px;display:flex;align-items:center}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .photo-fallback{font:400 16px/1.6 var(--sans);margin:0;max-width:60ch;width:100%;padding:0}

/* v46: full readers own their geometry; themes and summaries retain their independent scene contract. */
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]){box-sizing:border-box;min-width:0;}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) .piece-section p{font-size:16px;line-height:1.6;overflow-wrap:break-word}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) .piece-title{overflow-wrap:break-word}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) .piece-photo-slide:only-child figcaption{display:none}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary]){box-sizing:border-box;min-width:0;}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary]) .piece-section p{font-size:16px;line-height:1.6;overflow-wrap:break-word}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary]) .piece-title{overflow-wrap:break-word}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary]) .piece-photo-slide:only-child figcaption{display:none}
.piece-page[data-reader][data-presentation=full][data-style=cover]:not([data-occasion]):not([data-summary]){box-sizing:border-box;min-width:0;}
.piece-page[data-reader][data-presentation=full][data-style=cover]:not([data-occasion]):not([data-summary]) .piece-section p{font-size:16px;line-height:1.6;overflow-wrap:break-word}
.piece-page[data-reader][data-presentation=full][data-style=cover]:not([data-occasion]):not([data-summary]) .piece-title{overflow-wrap:break-word}
.piece-page[data-reader][data-presentation=full][data-style=cover]:not([data-occasion]):not([data-summary]) .piece-photo-slide:only-child figcaption{display:none}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]){box-sizing:border-box;min-width:0;}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-section p{font-size:16px;line-height:1.6;overflow-wrap:break-word}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-title{overflow-wrap:break-word}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-photo-slide:only-child figcaption{display:none}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]){box-sizing:border-box;min-width:0;}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .piece-section p{font-size:16px;line-height:1.6;overflow-wrap:break-word}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .piece-title{overflow-wrap:break-word}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .piece-photo-slide:only-child figcaption{display:none}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]){box-sizing:border-box;min-width:0;}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]) .piece-section p{font-size:16px;line-height:1.6;overflow-wrap:break-word}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]) .piece-title{overflow-wrap:break-word}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]) .piece-photo-slide:only-child figcaption{display:none}
.piece-page[data-reader][data-presentation=full][data-style=journal]:not([data-occasion]):not([data-summary]){box-sizing:border-box;min-width:0;}
.piece-page[data-reader][data-presentation=full][data-style=journal]:not([data-occasion]):not([data-summary]) .piece-section p{font-size:16px;line-height:1.6;overflow-wrap:break-word}
.piece-page[data-reader][data-presentation=full][data-style=journal]:not([data-occasion]):not([data-summary]) .piece-title{overflow-wrap:break-word}
.piece-page[data-reader][data-presentation=full][data-style=journal]:not([data-occasion]):not([data-summary]) .piece-photo-slide:only-child figcaption{display:none}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]){box-sizing:border-box;min-width:0;}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]) .piece-section p{font-size:16px;line-height:1.6;overflow-wrap:break-word}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]) .piece-title{overflow-wrap:break-word}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]) .piece-photo-slide:only-child figcaption{display:none}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]){display:block;padding:28px;max-width:1160px;margin:auto}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary])>.piece-hero{display:grid;grid-template-columns:minmax(0,42fr) minmax(0,58fr);gap:28px;align-items:start;margin:0;padding:0}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) .piece-hero>.piece-media{grid-area:auto;width:100%;max-width:none;aspect-ratio:auto;padding:0;margin:0;min-height:0}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) .piece-photo-rail{height:clamp(280px,38cqw,440px)}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) .piece-identity{display:block;grid-area:auto;width:100%;min-width:0;padding:0}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) :is(.portal-wordmark,.piece-title,.piece-collection,.piece-section){grid-area:auto;width:100%;max-width:none}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) .portal-wordmark{align-items:flex-start;text-align:left;margin:0 0 16px}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) .piece-title{font:500 clamp(30px,3.5cqw,42px)/1.15 var(--serif);text-align:left;margin:0 0 20px}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) .piece-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 12px}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) .piece-tabs button{flex:0 1 auto;white-space:normal}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) .piece-section{padding:20px;background:var(--portal-soft);border:1px solid var(--piece-border);margin:0;border-radius:6px}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary])>.piece-reading{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:28px 0 0}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary])>.piece-reading>.piece-section{max-width:none;margin:0}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary]){display:block;max-width:1080px;padding:28px;margin:auto}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary])>.piece-hero{display:flex;flex-direction:column;gap:24px}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary]) .piece-hero>.piece-media{order:0;grid-area:auto;width:100%;max-width:none;aspect-ratio:auto;padding:18px;margin:0;background:var(--portal-soft);border:1px solid var(--piece-border);box-shadow:0 8px 18px -16px var(--portal-ink)}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary]) .piece-media:not(.has-collage) .piece-photo-rail{height:clamp(260px,44cqw,460px)}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary]) .piece-identity{order:1;display:block;grid-area:auto;width:100%;text-align:left}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary]) :is(.portal-wordmark,.piece-title,.piece-collection){grid-area:auto;text-align:left;align-items:flex-start;justify-self:start;margin:0 0 12px}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary]) .piece-title{font:500 clamp(30px,4cqw,42px)/1.15 var(--serif);max-width:none}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary])>.piece-reading{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:12px 0 0}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary])>.piece-reading>.piece-section{grid-area:auto;max-width:none;width:100%;margin:0;padding:20px 0;border-top:1px solid var(--piece-border);border-bottom:0}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary])>.piece-reading>.piece-section-story{grid-column:1/-1}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary])>.piece-reading>.example-caption{grid-column:1/-1}
.piece-page[data-reader][data-presentation=full][data-style=cover]:not([data-occasion]):not([data-summary]){padding:28px;max-width:1100px}
.piece-page[data-reader][data-presentation=full][data-style=cover]:not([data-occasion]):not([data-summary]) .piece-cover-stage{display:grid;grid-template-columns:1fr;gap:0;align-items:start}
.piece-page[data-reader][data-presentation=full][data-style=cover]:not([data-occasion]):not([data-summary]) .piece-cover-stage>.piece-media{grid-area:auto;aspect-ratio:auto;padding:0;border:1px solid var(--piece-border)}
.piece-page[data-reader][data-presentation=full][data-style=cover]:not([data-occasion]):not([data-summary]) .piece-cover-stage>.piece-media .piece-photo-rail{height:clamp(240px,43cqw,440px)}
.piece-page[data-reader][data-presentation=full][data-style=cover]:not([data-occasion]):not([data-summary]) .piece-cover-card{grid-area:auto;position:relative;justify-self:end;width:92%;margin:0;padding:24px 28px;border-top:3px solid var(--portal-accent);box-shadow:none}
.piece-page[data-reader][data-presentation=full][data-style=cover]:not([data-occasion]):not([data-summary]) .piece-cover-card .piece-title{font-size:32px;margin-bottom:18px}
.piece-page[data-reader][data-presentation=full][data-style=cover]:not([data-occasion]):not([data-summary]) .piece-chapter-navigation{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]){max-width:1160px;margin:auto;padding:28px}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-diptych-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0;align-items:stretch;border:1px solid var(--piece-border)}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-diptych-layout>.piece-media{aspect-ratio:auto;padding:20px;background:var(--piece-photo-bg);display:flex;flex-direction:column;justify-content:center}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-photo-rail{height:clamp(280px,38cqw,440px)}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-diptych-layout>.piece-identity{padding:28px;border-left:1px solid var(--piece-border);background:var(--portal-soft)}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-title{font-size:34px;line-height:1.18}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-tab-panels>.piece-section{padding:12px 0;margin:0;width:100%;max-width:none}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]){max-width:1100px;padding:28px}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .piece-title{font-size:36px;line-height:1.15}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .piece-media{padding:0;aspect-ratio:auto}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .piece-media .piece-photo-rail{height:clamp(220px,32cqw,360px)}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .piece-hero>.piece-section-story{padding:12px 0;margin:0;max-width:65ch}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .piece-useful-controls{flex-wrap:wrap;margin-top:24px}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .piece-useful-rail{align-items:flex-start}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .piece-useful-rail>.piece-section{flex-basis:100%;box-sizing:border-box;padding:24px;display:block}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .piece-chapter-symbol{display:block;width:28px;height:28px;color:var(--portal-accent);margin:0 0 12px}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .piece-chapter-symbol svg{display:block;width:100%;height:100%}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .piece-service-chapter>.piece-section{display:block;margin:16px 0 0;padding:16px 0 0;border-top:1px solid var(--piece-border);max-width:none}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]) .piece-frame-layout{grid-template-columns:minmax(0,60fr) minmax(0,32fr);gap:8%}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]) .piece-frame-layout>.piece-media{padding:28px}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]) .piece-title{font-size:32px;line-height:1.18}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]) .piece-section{padding-block:16px}
.piece-page[data-reader][data-presentation=full][data-style=journal]:not([data-occasion]):not([data-summary]){max-width:800px;padding:32px 48px}
.piece-page[data-reader][data-presentation=full][data-style=journal]:not([data-occasion]):not([data-summary]) .piece-title{font-size:36px;line-height:1.18;margin-bottom:24px}
.piece-page[data-reader][data-presentation=full][data-style=journal]:not([data-occasion]):not([data-summary])>.piece-section-story p{font:400 18px/1.7 var(--serif);max-width:65ch}
.piece-page[data-reader][data-presentation=full][data-style=journal]:not([data-occasion]):not([data-summary])>.piece-section-material{border:0;border-left:3px solid var(--portal-accent);padding:18px 20px;margin:24px 0;background:var(--portal-soft)}
.piece-page[data-reader][data-presentation=full][data-style=journal]:not([data-occasion]):not([data-summary]) .piece-disclosure>summary{min-height:48px;font:500 16px/1.5 var(--sans);padding-block:12px}
.piece-page[data-reader][data-presentation=full][data-style=journal]:not([data-occasion]):not([data-summary]) .piece-photo-slide{aspect-ratio:3/2;margin-bottom:12px}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]){max-width:1180px;padding:28px}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]) .piece-specimen-layout{grid-template-columns:minmax(0,52fr) minmax(0,48fr);gap:28px}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]) .piece-photo-rail{aspect-ratio:auto;height:clamp(300px,42cqw,480px)}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]) .piece-section-material{border:1px solid var(--piece-border);background:var(--portal-soft);padding:20px;margin:0 0 20px}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]) .piece-material-name{font-size:19px;line-height:1.45}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]) .piece-object-options{gap:0;border-block:1px solid var(--piece-border)}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]) .piece-object-option{border:0;border-bottom:1px solid var(--piece-border);border-radius:0;background:transparent}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]) .piece-object-option:last-child{border-bottom:0}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]) .piece-object-option>summary{min-height:56px;padding:12px 0}
.piece-page[data-reader][data-presentation=full][data-style=folio]:not([data-occasion]):not([data-summary]) .book-cover .piece-hero{display:flex;flex-direction:column;justify-content:flex-start;gap:14px;min-height:0;height:100%}
.piece-page[data-reader][data-presentation=full][data-style=folio]:not([data-occasion]):not([data-summary]) .book-cover .piece-media{order:1;flex:1 1 auto;min-height:0;width:100%;aspect-ratio:auto;padding:0}
.piece-page[data-reader][data-presentation=full][data-style=folio]:not([data-occasion]):not([data-summary]) .book-cover .piece-photo-rail{height:100%;max-height:300px;min-height:0}
.piece-page[data-reader][data-presentation=full][data-style=folio]:not([data-occasion]):not([data-summary]) .book-cover .piece-identity{order:0;display:flex;flex-direction:column;align-items:center;gap:10px;width:100%;padding:0}
.piece-page[data-reader][data-presentation=full][data-style=folio]:not([data-occasion]):not([data-summary]) .book-cover .piece-title{order:0;font:500 30px/1.2 var(--serif);text-align:center;margin:0;max-width:100%}
.piece-page[data-reader][data-presentation=full][data-style=folio]:not([data-occasion]):not([data-summary]) .book-cover .portal-wordmark{order:1;font-size:16px;margin:0}
.piece-page[data-reader][data-presentation=full][data-style=folio]:not([data-occasion]):not([data-summary]) .book-cover .brand-name{font:500 16px/1.4 var(--sans)}
.piece-page[data-reader][data-presentation=full][data-style=folio]:not([data-occasion]):not([data-summary]) .book-cover .piece-collection{order:2;margin:0;font-size:14px}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-photo-thumbnails{position:static;inset:auto;display:flex;flex-direction:row;flex-wrap:wrap;gap:8px;width:100%;height:auto;margin:12px 0 0;padding:0}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-photo-thumb{flex:0 0 48px;width:48px;height:48px;padding:2px}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-photo-thumb img{position:static;width:100%;height:100%;object-fit:contain}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) .piece-photo-thumbnails{position:static;inset:auto;display:flex;flex-direction:row;flex-wrap:wrap;gap:8px;width:100%;height:auto;margin:12px 0 0;padding:0}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) .piece-photo-thumb{flex:0 0 48px;width:48px;height:48px;padding:2px}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) .piece-photo-thumb img{position:static;width:100%;height:100%;object-fit:contain}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]) .piece-photo-thumbnails{position:static;inset:auto;display:flex;flex-direction:row;flex-wrap:wrap;gap:8px;width:100%;height:auto;margin:12px 0 0;padding:0}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]) .piece-photo-thumb{flex:0 0 48px;width:48px;height:48px;padding:2px}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]) .piece-photo-thumb img{position:static;width:100%;height:100%;object-fit:contain}
@container piece-frame (max-width:760px){
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]){padding:20px!important}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) .piece-title{font-size:30px}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary])>.piece-reading{display:block;margin-top:24px}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary]){padding:20px!important}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary]) .piece-title{font-size:30px}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary])>.piece-reading{display:block;margin-top:24px}
.piece-page[data-reader][data-presentation=full][data-style=cover]:not([data-occasion]):not([data-summary]){padding:20px!important}
.piece-page[data-reader][data-presentation=full][data-style=cover]:not([data-occasion]):not([data-summary]) .piece-title{font-size:30px}
.piece-page[data-reader][data-presentation=full][data-style=cover]:not([data-occasion]):not([data-summary])>.piece-reading{display:block;margin-top:24px}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]){padding:20px!important}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-title{font-size:30px}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary])>.piece-reading{display:block;margin-top:24px}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]){padding:20px!important}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .piece-title{font-size:30px}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary])>.piece-reading{display:block;margin-top:24px}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]){padding:20px!important}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]) .piece-title{font-size:30px}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary])>.piece-reading{display:block;margin-top:24px}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]){padding:20px!important}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]) .piece-title{font-size:30px}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary])>.piece-reading{display:block;margin-top:24px}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary])>.piece-hero{display:flex;flex-direction:column;gap:24px;width:100%}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary])>.piece-hero>.piece-media{width:100%;max-width:none}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) .piece-identity{display:block;width:100%;max-width:none;min-width:0}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-diptych-layout{display:flex;flex-direction:column;gap:24px;width:100%}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-diptych-layout>.piece-media{width:100%;max-width:none}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-identity{display:block;width:100%;max-width:none;min-width:0}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]) .piece-frame-layout{display:flex;flex-direction:column;gap:24px;width:100%}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]) .piece-frame-layout>.piece-media{width:100%;max-width:none}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]) .piece-identity{display:block;width:100%;max-width:none;min-width:0}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]) .piece-specimen-layout{display:flex;flex-direction:column;gap:24px;width:100%}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]) .piece-specimen-layout>.piece-media{width:100%;max-width:none}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]) .piece-identity{display:block;width:100%;max-width:none;min-width:0}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) .piece-photo-rail{height:clamp(220px,48cqw,300px)}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary])>.piece-reading>.piece-section{margin-bottom:16px}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary]) .piece-hero>.piece-media{padding:12px}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary]) .piece-media:not(.has-collage) .piece-photo-rail{height:clamp(220px,48cqw,320px)}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary])>.piece-reading>.piece-section{margin:0 0 16px}
.piece-page[data-reader][data-presentation=full][data-style=cover]:not([data-occasion]):not([data-summary]) .piece-cover-card{width:100%;padding:20px 0;border-inline:0;margin:0}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-diptych-layout{gap:0}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-diptych-layout>.piece-media{padding:16px}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-diptych-layout>.piece-identity{padding:20px;border-left:0;border-top:1px solid var(--piece-border)}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-photo-rail{height:clamp(220px,48cqw,300px)}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .piece-useful-rail>.piece-section{padding:18px}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]) .piece-frame-layout>.piece-media{padding:14px}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]) .piece-reading{display:block}
.piece-page[data-reader][data-presentation=full][data-style=journal]:not([data-occasion]):not([data-summary]){padding:24px 20px!important}
.piece-page[data-reader][data-presentation=full][data-style=journal]:not([data-occasion]):not([data-summary])>.piece-section-story p{font-size:17px;line-height:1.65}
.piece-page[data-reader][data-presentation=full][data-style=journal]:not([data-occasion]):not([data-summary]) .piece-title{font-size:30px}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]) .piece-photo-rail{height:clamp(240px,48cqw,320px)}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]) .piece-specimen-layout>.piece-identity{padding:0}
}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable{aspect-ratio:auto;min-height:0;height:auto;max-height:none;background:transparent}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable .piece-photo-rail{display:flex;align-items:center;aspect-ratio:auto;min-height:100px;height:auto;max-height:none;padding:16px;border:1px dashed var(--piece-border)}
.piece-page[data-reader][data-presentation=full][data-style=signature]:not([data-occasion]):not([data-summary]) .photo-fallback{font:400 16px/1.6 var(--sans);width:100%;max-width:60ch;padding:0;margin:0}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable{aspect-ratio:auto;min-height:0;height:auto;max-height:none;background:transparent}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable .piece-photo-rail{display:flex;align-items:center;aspect-ratio:auto;min-height:100px;height:auto;max-height:none;padding:16px;border:1px dashed var(--piece-border)}
.piece-page[data-reader][data-presentation=full][data-style=nocturne]:not([data-occasion]):not([data-summary]) .photo-fallback{font:400 16px/1.6 var(--sans);width:100%;max-width:60ch;padding:0;margin:0}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable{aspect-ratio:auto;min-height:0;height:auto;max-height:none;background:transparent}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable .piece-photo-rail{display:flex;align-items:center;aspect-ratio:auto;min-height:100px;height:auto;max-height:none;padding:16px;border:1px dashed var(--piece-border)}
.piece-page[data-reader][data-presentation=full][data-style=gallery]:not([data-occasion]):not([data-summary]) .photo-fallback{font:400 16px/1.6 var(--sans);width:100%;max-width:60ch;padding:0;margin:0}
.piece-page[data-reader][data-presentation=full][data-style=cover]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable{aspect-ratio:auto;min-height:0;height:auto;max-height:none;background:transparent}
.piece-page[data-reader][data-presentation=full][data-style=cover]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable .piece-photo-rail{display:flex;align-items:center;aspect-ratio:auto;min-height:100px;height:auto;max-height:none;padding:16px;border:1px dashed var(--piece-border)}
.piece-page[data-reader][data-presentation=full][data-style=cover]:not([data-occasion]):not([data-summary]) .photo-fallback{font:400 16px/1.6 var(--sans);width:100%;max-width:60ch;padding:0;margin:0}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable{aspect-ratio:auto;min-height:0;height:auto;max-height:none;background:transparent}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable .piece-photo-rail{display:flex;align-items:center;aspect-ratio:auto;min-height:100px;height:auto;max-height:none;padding:16px;border:1px dashed var(--piece-border)}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .photo-fallback{font:400 16px/1.6 var(--sans);width:100%;max-width:60ch;padding:0;margin:0}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable{aspect-ratio:auto;min-height:0;height:auto;max-height:none;background:transparent}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable .piece-photo-rail{display:flex;align-items:center;aspect-ratio:auto;min-height:100px;height:auto;max-height:none;padding:16px;border:1px dashed var(--piece-border)}
.piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .photo-fallback{font:400 16px/1.6 var(--sans);width:100%;max-width:60ch;padding:0;margin:0}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable{aspect-ratio:auto;min-height:0;height:auto;max-height:none;background:transparent}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable .piece-photo-rail{display:flex;align-items:center;aspect-ratio:auto;min-height:100px;height:auto;max-height:none;padding:16px;border:1px dashed var(--piece-border)}
.piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]) .photo-fallback{font:400 16px/1.6 var(--sans);width:100%;max-width:60ch;padding:0;margin:0}
.piece-page[data-reader][data-presentation=full][data-style=journal]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable{aspect-ratio:auto;min-height:0;height:auto;max-height:none;background:transparent}
.piece-page[data-reader][data-presentation=full][data-style=journal]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable .piece-photo-rail{display:flex;align-items:center;aspect-ratio:auto;min-height:100px;height:auto;max-height:none;padding:16px;border:1px dashed var(--piece-border)}
.piece-page[data-reader][data-presentation=full][data-style=journal]:not([data-occasion]):not([data-summary]) .photo-fallback{font:400 16px/1.6 var(--sans);width:100%;max-width:60ch;padding:0;margin:0}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable{aspect-ratio:auto;min-height:0;height:auto;max-height:none;background:transparent}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable .piece-photo-rail{display:flex;align-items:center;aspect-ratio:auto;min-height:100px;height:auto;max-height:none;padding:16px;border:1px dashed var(--piece-border)}
.piece-page[data-reader][data-presentation=full][data-style=specimen]:not([data-occasion]):not([data-summary]) .photo-fallback{font:400 16px/1.6 var(--sans);width:100%;max-width:60ch;padding:0;margin:0}
.piece-page[data-reader][data-presentation=full][data-style=folio]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable{aspect-ratio:auto;min-height:0;height:auto;max-height:none;background:transparent}
.piece-page[data-reader][data-presentation=full][data-style=folio]:not([data-occasion]):not([data-summary]) .piece-media.photo-unavailable .piece-photo-rail{display:flex;align-items:center;aspect-ratio:auto;min-height:100px;height:auto;max-height:none;padding:16px;border:1px dashed var(--piece-border)}
.piece-page[data-reader][data-presentation=full][data-style=folio]:not([data-occasion]):not([data-summary]) .photo-fallback{font:400 16px/1.6 var(--sans);width:100%;max-width:60ch;padding:0;margin:0}
.piece-page[data-reader][data-presentation=full][data-style=folio]:not([data-occasion]):not([data-summary]) .book-cover .piece-media.photo-unavailable{flex:0 0 auto;margin-top:24px}
/* v46 review: mat preserves its edge without turning the narrow reader into a square poster. */
@container piece-frame (max-width:760px){
 .piece-page[data-reader][data-presentation=full][data-style=frame]:not([data-occasion]):not([data-summary]) .piece-frame-layout>.piece-media .piece-photo-rail{height:clamp(220px,48cqw,340px);aspect-ratio:auto}
}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-diptych-layout>.piece-identity>.portal-wordmark{position:static;inset:auto;transform:none;order:0;width:100%;height:auto;margin:0 0 18px;padding:0;background:transparent;color:var(--portal-ink);text-align:left}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .portal-wordmark .brand-name{color:inherit}
@container piece-frame (max-width:400px){
 .piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .piece-useful-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;width:100%}
 .piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .piece-useful-controls button{display:flex;align-items:center;justify-content:center;gap:6px;min-width:0;min-height:48px;padding:10px 8px;white-space:nowrap;word-break:normal;overflow-wrap:normal;font:500 14px/1.4 var(--sans)}
 .piece-page[data-reader][data-presentation=full][data-style=catalog]:not([data-occasion]):not([data-summary]) .piece-useful-controls button svg{width:18px;height:18px;flex:0 0 18px}
}

.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .portal-wordmark .brand-name{position:static;inset:auto;transform:none;display:block;width:auto;height:auto;min-height:0;max-width:100%;margin:0;padding:0;color:var(--portal-ink)}
.piece-page[data-reader][data-presentation=full][data-style=diptych]:not([data-occasion]):not([data-summary]) .piece-diptych-layout>.piece-identity>.portal-wordmark{display:block;min-height:0;height:auto}