@charset "UTF-8";
:root{color-scheme:light;--paper:#f6f3ec;--surface:#ede9df;--ink:#26382f;--text:#323a35;--muted:#697269;--line:#d8d9cc;--accent:#435c49;--subtle:#e7ebdf;--reading-size:21px;--serif:"Songti SC","STSong","Noto Serif CJK SC","SimSun",serif;--sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
:root[data-theme="dark"]{color-scheme:dark;--paper:#1d2522;--surface:#26302a;--ink:#e6e6d8;--text:#d4d8ce;--muted:#a6b2a7;--line:#3e4b42;--accent:#becdb6;--subtle:#303e33}
*{box-sizing:border-box}html{scroll-behavior:auto;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--text);font-family:var(--sans);font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased}body:has(dialog[open]){overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer;background:transparent;border:0}button:disabled{cursor:default;opacity:.42}button,a,summary{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px;border-radius:2px}main:focus{outline:none}img{display:block;max-width:100%}h1,h2,h3,p{margin:0}a:hover{color:var(--accent)}.skip-link{position:fixed;top:5px;left:8px;transform:translateY(-160%);padding:12px;background:var(--paper);border:1px solid var(--line);z-index:99}.skip-link:focus{transform:none}.site-header{max-width:1400px;margin:auto;padding:25px 4.6%;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:13px;font-family:var(--serif);font-size:17px;letter-spacing:2px;color:var(--ink)}.brand-mark{display:grid;place-items:center;width:34px;height:36px;border:1px solid var(--accent);font-family:var(--serif);font-size:20px}.brand-separator{color:var(--muted);margin:0 4px;font-family:var(--sans);font-weight:200}.brand-small{font-size:14px}.site-header nav{display:flex;gap:32px;align-items:center;font-size:13px}.site-header nav a,.site-header nav button{min-height:44px;display:flex;align-items:center;gap:12px;padding:8px 0}.site-header nav a[aria-current]{border-bottom:1px solid var(--accent)}.site-header nav span{font-size:18px}main{min-height:65vh}.library-hero{max-width:1280px;margin:0 auto;padding:78px 40px 65px;text-align:center}.eyebrow{font-size:10px;letter-spacing:2.2px;font-weight:500;color:var(--muted);line-height:1.9}.tiny-line{width:24px;height:1px;background:var(--accent);display:inline-block;vertical-align:middle;margin-right:15px}.fine-divider{display:inline-block;margin:0 10px;opacity:.45}.library-hero h1{font:400 clamp(32px,3.2vw,46px)/1.5 var(--serif);letter-spacing:5px;color:var(--ink);margin:22px 0 13px}.title-dot{color:var(--muted);font-size:.7em}.english-subtitle{font-family:Georgia,serif;color:var(--muted);font-size:14px;letter-spacing:.65px}.hero-invitation{font:400 16px/1.7 var(--serif);letter-spacing:2px;margin-top:26px;color:var(--muted)}.collection{max-width:1280px;padding:0 40px;margin:0 auto}.section-label{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:0 0 17px;gap:20px}.section-label h2{font:400 19px/1.5 var(--serif);letter-spacing:2px;color:var(--ink)}.section-label h2 span{font:400 9px/1.5 var(--sans);letter-spacing:1.5px;margin-left:15px;color:var(--muted)}.section-label>span{color:var(--muted);font-size:11px;letter-spacing:1px}.bookshelf{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:32px;padding-top:37px}.book-card{min-width:0}.book-cover-link{display:block;padding:0 7px 0 0}.book-object{position:relative;aspect-ratio:2/3;background:var(--surface);box-shadow:5px 7px 12px #1c291b20,1px 2px 3px #1c291b30;isolation:isolate}.book-object:after{content:"";position:absolute;right:-4px;top:3px;bottom:3px;width:4px;background:repeating-linear-gradient(to bottom,#dddace 0,#dddace 1px,#f5f3ea 1px,#f5f3ea 3px);z-index:-1;transform:skewY(15deg)}.cover-img{width:100%;height:100%;object-fit:contain;background:var(--surface)}.book-spine{position:absolute;inset:0 auto 0 0;width:6%;background:linear-gradient(90deg,#0002,transparent 35%,#fff1 60%,transparent);pointer-events:none}.book-cover-link:hover .book-object{transform:translateY(-3px);box-shadow:6px 10px 16px #1c291b25}.book-object{transition:transform .18s ease}.book-caption{margin-top:23px}.book-meta{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-bottom:8px}.book-number{font-family:Georgia,serif;color:var(--muted);font-size:12px}.book-status{color:var(--muted);font-size:10px;letter-spacing:.4px;white-space:nowrap}.book-status.available{color:var(--accent);padding:2px 8px;background:var(--subtle);border-radius:2px}.book-status.available:before{content:"";display:inline-block;width:4px;height:4px;background:var(--accent);border-radius:50%;margin:0 5px 2px 0}.book-caption h3{font:400 17px/1.65 var(--serif);color:var(--ink);letter-spacing:.5px;overflow-wrap:anywhere}.text-link{display:flex;align-items:center;gap:17px;font-size:11px;margin-top:15px;color:var(--accent)}.text-link span{font-size:18px}.cover-placeholder{height:100%;display:flex;flex-direction:column;justify-content:space-between;padding:22px 20px;border:1px solid var(--line);color:var(--muted);background:var(--surface)}.placeholder-label{font-size:10px;border-bottom:1px solid var(--line);padding-bottom:10px;letter-spacing:1.5px}.placeholder-title{font:400 21px/1.9 var(--serif);letter-spacing:2px}.placeholder-foot{font-size:9px;letter-spacing:1px;line-height:1.9}.library-note{max-width:1200px;margin:62px auto 70px;padding:31px 28px;display:flex;align-items:center;gap:20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.note-symbol{font:300 46px/1 var(--serif);color:var(--muted)}.library-note h2{font:400 20px/1.7 var(--serif);letter-spacing:1px;color:var(--ink);margin-bottom:8px}.library-note p{color:var(--muted);font-size:12px;line-height:1.9}.library-note>a{margin-left:auto;white-space:nowrap;font-size:12px;display:flex;gap:22px;align-items:center}.library-note>a span{font-size:22px}.site-footer{border-top:1px solid var(--line);max-width:1280px;margin:0 auto;padding:24px 40px 30px;display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:10px;letter-spacing:1px}.footer-dot{padding:0 6px}.back-link{display:inline-flex;align-items:center;min-height:44px;font-size:12px;color:var(--muted)}.book-page{max-width:1120px;margin:auto;padding:26px 40px 80px}.book-intro{display:grid;grid-template-columns:280px 1fr;gap:90px;align-items:center;padding:28px 0 65px}.book-display .book-object{width:100%}.cover-credit{display:block;margin-top:17px;color:var(--muted);font-size:10px;text-align:center;letter-spacing:1px}.book-details h1{font:400 clamp(27px,3vw,38px)/1.5 var(--serif);color:var(--ink);letter-spacing:2px;margin:20px 0 8px}.book-subtitle{font:400 18px/1.7 var(--serif);color:var(--muted)}.author{font-size:13px;margin:22px 0 28px}.author span{margin-left:8px;color:var(--muted)}.intro-excerpt{border-left:2px solid var(--line);padding-left:21px;max-width:510px}.intro-excerpt p{font:400 17px/1.95 var(--serif)}.intro-excerpt small{font-size:10px;color:var(--muted);display:block;margin-top:10px}.book-actions{display:flex;gap:24px;align-items:center;flex-wrap:wrap;margin-top:30px}.primary-link{background:var(--ink);color:var(--paper);padding:13px 23px;display:inline-flex;align-items:center;gap:40px;font-size:13px;min-height:48px}.primary-link:hover{background:var(--accent);color:var(--paper)}.primary-link span{font-size:19px}.resume-link{font-size:12px;border-bottom:1px solid var(--line);padding:10px 0}.resume-link span{margin-left:8px;color:var(--muted)}.sample-note{font-size:11px;color:var(--muted);margin-top:19px}.book-toc{margin:8px 0 0;padding:0;list-style:none;display:grid;grid-template-columns:1fr 1fr;column-gap:42px}.book-toc li{border-bottom:1px solid var(--line);min-width:0}.book-toc li a,.book-toc .toc-pending{display:grid;grid-template-columns:24px 1fr auto;align-items:center;gap:12px;padding:19px 0;font:400 15px/1.7 var(--serif)}.toc-num{font:400 11px/1.7 Georgia,serif;color:var(--muted)}.toc-state{font:400 10px/1.7 var(--sans);color:var(--muted);white-space:nowrap}.toc-pending{color:var(--muted)}.coming-page{text-align:center;max-width:700px;margin:auto;padding:25px 28px 80px}.coming-page>.back-link{display:flex}.coming-cover{width:180px;margin:30px auto}.coming-page h1{font:400 28px/1.6 var(--serif);color:var(--ink);margin:12px 0 20px}.coming-label{font-size:14px;letter-spacing:2px;margin-bottom:8px}.coming-page>p:not(.eyebrow):not(.coming-label){color:var(--muted);font-size:12px}.coming-page .primary-link{margin-top:25px}.empty-state{padding:100px 25px;text-align:center}.empty-state h1{font:400 30px var(--serif);margin-bottom:20px}.empty-state p{margin-bottom:24px}.loading{text-align:center;padding:100px}
/* Reader components: width, navigation and controls are independent of book content. */
.is-reading .site-header{position:sticky;top:0;background:var(--paper);z-index:10;max-width:none;padding-top:12px;padding-bottom:12px}.reading-track{height:2px;position:fixed;top:69px;left:0;right:0;z-index:12;background:var(--line)}.reading-track span{display:block;background:var(--accent);height:100%;width:0}.reader-layout{display:grid;grid-template-columns:230px minmax(0,740px);gap:65px;max-width:1170px;padding:35px 35px 90px;margin:auto;align-items:start}.reader-aside{position:sticky;top:95px}.reader-toc{font-size:12px;margin-top:23px}.reader-toc summary{cursor:pointer;font-size:12px;letter-spacing:1px;list-style:none;display:flex;justify-content:space-between;min-height:44px;align-items:center;border-bottom:1px solid var(--line)}.reader-toc summary::-webkit-details-marker{display:none}.reader-toc[open] summary span{transform:rotate(45deg)}.aside-title{font:400 15px/1.8 var(--serif);color:var(--ink);margin:20px 0}.reader-toc ol{list-style:none;margin:0;padding:0;max-height:55vh;overflow:auto;overscroll-behavior:contain}.reader-toc li a,.reader-toc .toc-pending{display:grid;grid-template-columns:19px 1fr;gap:7px;padding:11px 7px;line-height:1.7}.reader-toc .toc-state{grid-column:2;font-size:9px}.reader-toc a[aria-current]{background:var(--subtle);color:var(--ink);border-left:2px solid var(--accent)}.reader-toolbar{display:flex;justify-content:space-between;gap:20px;align-items:center;font-size:11px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:16px}.font-tools{display:flex;align-items:center;gap:8px;flex-shrink:0}.font-tools button{min-width:44px;min-height:44px;background:var(--surface);font-size:15px}.font-tools output{min-width:20px;text-align:center;font-size:11px}.reading-content{padding:48px 8px 0;overflow-wrap:break-word}.chapter-header{padding-bottom:40px;margin-bottom:35px;border-bottom:1px solid var(--line)}.chapter-header h1{font:400 clamp(28px,3vw,37px)/1.7 var(--serif);letter-spacing:1px;color:var(--ink);margin:20px 0 16px}.chapter-byline{font-size:11px;color:var(--muted)}.chapter-byline span{padding:0 10px}.chapter-body{font:400 var(--reading-size)/2.05 var(--serif);letter-spacing:.3px;line-break:strict;overflow-wrap:break-word}.chapter-body p{margin:0 0 1.25em}.chapter-body h2{font:500 1.15em/1.8 var(--serif);margin:2em 0 1em;color:var(--ink)}.chapter-body h2:first-child{margin-top:0}.chapter-body figure{margin:32px -8px 38px}.image-button{display:block;position:relative;width:100%;padding:0;text-align:left}.image-button img{width:100%;height:auto}.enlarge{position:absolute;bottom:10px;right:10px;background:#1c252bd9;color:#fff;padding:5px 10px;font:11px/1.7 var(--sans);letter-spacing:.4px}.chapter-body figcaption{font:12px/1.8 var(--sans);text-align:center;color:var(--muted);padding:14px 12px 0}.source-note{font:11px/1.9 var(--sans);color:var(--muted);border-top:1px solid var(--line);padding:22px 0;margin-top:45px}.chapter-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}.chapter-nav a,.chapter-nav button{padding:22px;border:1px solid var(--line);text-align:left;display:flex;flex-direction:column;gap:10px;min-width:0}.chapter-nav small{font-size:11px;color:var(--muted)}.chapter-nav span{font:400 16px/1.8 var(--serif)}.chapter-nav a:hover{background:var(--surface)}.reader-library-link{display:block;text-align:center;margin-top:32px;font-size:12px;color:var(--muted)}.reading-status{position:fixed;bottom:0;left:0;right:0;display:flex;gap:20px;align-items:center;justify-content:center;padding:13px 24px calc(13px + env(safe-area-inset-bottom));background:var(--paper);border-top:1px solid var(--line);z-index:11;font-size:11px;color:var(--muted)}.reading-status strong{font-weight:400;color:var(--ink);margin-left:8px}.reading-status progress{width:150px;height:3px;appearance:none;border:0;background:var(--line)}progress::-webkit-progress-bar{background:var(--line)}progress::-webkit-progress-value{background:var(--accent)}progress::-moz-progress-bar{background:var(--accent)}.is-reading .site-footer{padding-bottom:85px}dialog{width:min(1200px,95vw);max-height:92dvh;padding:20px;border:1px solid var(--line);color:var(--text);background:var(--paper)}dialog::backdrop{background:#0d1516d9}.image-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:12px}.image-toolbar button{padding:10px 15px;background:var(--surface);min-height:44px}.image-stage img{max-height:70dvh;max-width:100%;width:auto;object-fit:contain;margin:auto}.image-stage{overflow:auto}#image-caption{text-align:center;font-size:12px;line-height:1.8;color:var(--muted);margin-top:14px}
@media(min-width:1500px){.library-hero{padding-top:90px;padding-bottom:80px}.bookshelf{gap:40px}}
@media(max-width:1100px){.bookshelf{gap:22px}.collection{padding:0 30px}.book-meta{align-items:flex-start}.book-status{font-size:9px}.book-caption h3{font-size:16px}.placeholder-title{font-size:17px}.cover-placeholder{padding:16px 12px}.library-note{margin-left:30px;margin-right:30px}.book-intro{gap:55px;grid-template-columns:240px 1fr}.reader-layout{grid-template-columns:205px minmax(0,1fr);gap:30px;padding-left:25px;padding-right:25px}}
@media(max-width:1049px){.reader-layout{display:block;max-width:790px;padding:20px 30px 70px}.reader-aside{position:static;display:flex;align-items:start;gap:25px;margin-bottom:24px}.reader-toc{margin:0;flex:1}.reader-toc ol{max-height:300px}.reader-toc .aside-title{display:none}.reader-aside>.back-link{padding-top:0}.reading-content{padding-top:30px}.bookshelf{grid-template-columns:repeat(3,minmax(0,1fr));gap:38px 36px}.book-cover-link{max-width:230px;margin:auto}.book-meta{justify-content:flex-start;gap:15px}.book-caption{max-width:230px;margin-left:auto;margin-right:auto}.library-hero{padding-top:58px;padding-bottom:50px}.book-caption h3{font-size:18px}}
@media(max-width:700px){.site-header{padding:15px 22px;gap:10px}.brand{font-size:14px;letter-spacing:1px;gap:8px}.brand-small{display:none}.brand-separator{display:none}.brand-mark{width:27px;height:31px;font-size:18px}.site-header nav{gap:16px;font-size:11px}.site-header nav a,.site-header nav button{gap:5px}.site-header nav span{font-size:16px}.library-hero{padding:46px 20px 40px}.library-hero .eyebrow{font-size:8px;letter-spacing:1.5px}.tiny-line{width:16px;margin-right:8px}.library-hero h1{font-size:30px;letter-spacing:2px;margin-top:19px}.english-subtitle{font-size:11px;line-height:1.8;max-width:300px;margin:auto}.hero-invitation{font-size:14px;letter-spacing:1px;margin-top:22px}.collection{padding:0 24px}.section-label{gap:12px;padding-bottom:14px}.section-label h2{font-size:17px}.section-label h2 span{font-size:8px;margin-left:9px}.section-label>span{font-size:9px;letter-spacing:0}.section-label .fine-divider{margin:0 5px}.bookshelf{grid-template-columns:repeat(2,minmax(0,1fr));gap:35px 25px;padding-top:25px}.book-caption{margin-top:18px}.book-caption h3{font-size:17px;line-height:1.7}.book-meta{gap:7px;flex-wrap:wrap}.book-status{font-size:9px}.cover-placeholder{padding:17px 12px}.placeholder-title{font-size:18px;line-height:1.7;letter-spacing:1px}.placeholder-label{font-size:9px}.placeholder-foot{font-size:8px}.library-note{margin:45px 24px;padding:24px 0;gap:10px;flex-wrap:wrap}.note-symbol{display:none}.library-note h2{font-size:20px}.library-note p{font-size:11px;line-height:2}.library-note>a{margin:13px 0 0;flex-basis:100%;font-size:12px;justify-content:space-between}.site-footer{margin:0 24px;padding:24px 0;display:flex;flex-direction:column;gap:7px;font-size:9px}.site-footer span:nth-child(2){display:none}.book-page{padding:18px 24px 55px}.book-intro{grid-template-columns:1fr;gap:32px;padding:18px 0 40px}.book-display{width:205px;margin:auto}.book-details{text-align:left}.book-details h1{font-size:29px;letter-spacing:1px;margin-top:14px}.book-subtitle{font-size:17px}.author{margin:16px 0 23px}.intro-excerpt p{font-size:16px;line-height:2}.book-actions{gap:18px;margin-top:25px}.primary-link{padding:12px 20px}.book-toc{display:block}.book-toc li a,.book-toc .toc-pending{font-size:15px;gap:8px;padding:17px 0}.sample-note{font-size:10px}.contents-section .section-label>span{font-size:9px}.reader-layout{padding:15px 22px 60px}.reader-aside{gap:18px;margin-bottom:16px}.reader-toolbar{gap:8px;font-size:10px;padding-bottom:12px}.reader-toolbar>a{max-width:45%;font-size:11px}.font-tools{gap:5px}.font-tools button{min-width:40px;min-height:44px}.reading-content{padding:30px 0 0}.chapter-header{padding-bottom:27px;margin-bottom:28px}.chapter-header h1{font-size:28px;line-height:1.65}.chapter-body{letter-spacing:0;line-height:2}.chapter-body figure{margin:28px 0}.chapter-body figcaption{font-size:11px;text-align:left;padding-left:0;padding-right:0}.reading-status{gap:12px;padding:12px 15px calc(12px + env(safe-area-inset-bottom));font-size:10px}.reading-status progress{width:75px}.reading-track{top:68px}.chapter-nav{gap:10px}.chapter-nav a,.chapter-nav button{padding:15px}.chapter-nav span{font-size:15px}.source-note{font-size:10px}.coming-page h1{font-size:25px}dialog{padding:12px}.image-stage img{max-height:65dvh}}
@media(max-width:350px){.site-header{padding-left:15px;padding-right:15px}.site-header nav{gap:10px}.library-hero h1{font-size:25px}.collection{padding:0 18px}.bookshelf{gap:28px 19px}.placeholder-title{font-size:16px}.section-label>span{display:none}.book-caption h3{font-size:15px}.book-status{font-size:8px}.reading-status progress{width:40px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.site-header,.reader-aside,.reader-toolbar,.reading-status,.chapter-nav,.site-footer,.reader-library-link{display:none}.reader-layout{display:block;padding:0}.chapter-body{font-size:12pt}body{background:#fff;color:#000}}

/* Optional heading navigation for full editions; existing layout is unchanged. */
.toc-sections{margin:0 0 14px 36px;color:var(--muted);font-size:11px}.toc-sections summary{cursor:pointer;padding:6px 0}.toc-sections ol{list-style:none;padding:0;margin:4px 0 0}.book-toc .toc-sections li{border:0}.book-toc .toc-sections li a,.reader-toc .toc-sections li a{display:block;padding:8px 0;font:12px/1.8 var(--sans);overflow-wrap:anywhere}.reader-toc .toc-sections{margin:0 8px 12px 26px}.reader-toc .toc-sections ol{max-height:none;overflow:visible}.reader-toc .toc-sections summary{min-height:30px;font-size:10px;letter-spacing:0}.chapter-body h2{scroll-margin-top:95px}

/* Shelf discovery and optional device narration share the existing palette. */

.shelf-search,.listen-controls{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.shelf-search input,.shelf-search select,.listen-controls select{font:inherit;color:var(--text);background:var(--paper);border:1px solid var(--line);border-radius:5px;padding:10px;min-height:44px;max-width:100%;min-width:0}

.book-card[hidden]{display:none}.listening-home{max-width:1080px;margin:40px auto 80px}.listening-home h1{font:clamp(30px,5vw,48px) var(--serif);margin:24px 0}.listening-home>p{margin:14px 0}.listening-books{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:32px}.listening-books article{padding:24px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.listening-books h2{font:24px/1.5 var(--serif)}.listening-books a{display:block;margin-top:18px}.listen-panel{margin:16px 0 26px;padding:18px;border:1px solid var(--line);border-radius:8px;background:var(--surface);scroll-margin-top:24px}.listen-panel summary{cursor:pointer;font-weight:600;min-height:32px}.listen-panel .sample-note{margin:12px 0}.listen-controls{margin:12px 0}.listen-controls label{display:flex;align-items:center;gap:8px;max-width:100%;min-width:0}.listen-controls button{min-height:44px;padding:8px 14px;border:1px solid var(--line);border-radius:5px;background:var(--paper)}#listen-status{font-size:13px;color:var(--muted)}
@media(max-width:700px){.site-header nav{gap:12px;flex-wrap:wrap}.listening-books{grid-template-columns:1fr}.listen-controls label{width:100%}.listen-controls select{flex:1;width:0}}


/* Book-first shelf: shared alignment, compact discovery, and saved-reading cards. */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.library-hero{max-width:1280px;margin:0 auto;padding:38px 40px 28px;display:flex;justify-content:space-between;align-items:center;gap:24px;text-align:left}
.library-hero .eyebrow{font-size:12px;letter-spacing:2px}
.library-hero h1{font:400 36px/1.4 var(--serif);letter-spacing:2px;margin:7px 0 10px}
.library-hero .hero-invitation{font:15px/1.7 var(--sans);letter-spacing:.5px;margin:0}
.shelf-listen-link{display:flex;align-items:center;gap:10px;padding:13px 18px;border:1px solid var(--line);border-radius:12px;background:var(--surface);font-size:16px;flex-shrink:0}
.shelf-listen-link>span:first-child{font-size:22px}.listen-link-caption{font-size:13px;color:var(--muted)}
.shelf-tools{max-width:1280px;padding:0 40px;margin:0 auto 32px}
.shelf-search{gap:14px;display:flex;align-items:center;flex-wrap:wrap}
.search-field{width:min(440px,100%);display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;background:var(--surface);padding-left:14px}
.search-field svg{width:20px;height:20px;flex-shrink:0;color:var(--muted)}
.shelf-search .search-field input{width:100%;min-width:0;flex:1;border:0;background:transparent;padding:12px;font-size:15px;border-radius:10px}
.search-field:focus-within{outline:2px solid var(--accent);outline-offset:2px}.search-field input:focus{outline:none}
.shelf-search select{font-size:14px;border-radius:10px;min-height:48px;padding:10px 32px 10px 14px}
#shelf-results{font-size:14px;color:var(--muted);flex:1;min-width:0}
.continue-reading{margin-top:28px}.continue-heading{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:14px}
.continue-heading h2{font:400 22px/1.5 var(--serif);color:var(--ink)}.continue-heading>span{font-size:13px;color:var(--muted)}
.continue-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.continue-card{display:flex;align-items:center;gap:16px;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:12px;min-width:0}
.continue-card:hover{border-color:var(--accent)}.continue-cover{width:64px;flex:0 0 64px;aspect-ratio:2/3;box-shadow:2px 3px 6px #0002;overflow:hidden}.continue-info{min-width:0;flex:1}
.continue-info h3{font:500 16px/1.5 var(--serif);color:var(--ink);overflow-wrap:anywhere}.continue-info p{font-size:13px;color:var(--muted);margin-top:5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.continue-progress{display:flex;align-items:center;gap:10px;margin:9px 0 7px}.continue-progress progress{height:4px;width:100%;min-width:0;appearance:none;border:0;background:var(--line);border-radius:2px}.continue-progress>span{font-size:12px;color:var(--muted)}.continue-action{font-size:14px;color:var(--accent)}
.collection .section-label h2 span{font-size:12px}.collection .section-label>span{font-size:13px}.bookshelf{padding-top:28px}.book-status{font-size:12px;white-space:normal}.text-link{font-size:14px;gap:10px}.book-caption{margin-top:18px}
@media(max-width:1100px){.library-hero{padding-left:30px;padding-right:30px}.shelf-tools{padding:0 30px}.continue-card{gap:12px;padding:14px}.continue-cover{width:54px;flex-basis:54px}}
@media(max-width:850px){.continue-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.shelf-listen-link .listen-link-caption{display:none}}
@media(max-width:700px){.library-hero{padding:27px 24px 23px;gap:16px}.library-hero h1{font-size:30px}.library-hero .eyebrow{font-size:12px}.library-hero .hero-invitation{font-size:14px;max-width:220px}.shelf-listen-link{padding:10px 12px;font-size:14px;gap:7px}.shelf-tools{padding:0 24px;margin-bottom:28px}.shelf-search{gap:10px}.search-field{width:100%}.shelf-search select{font-size:14px}#shelf-results{font-size:13px}.continue-reading{margin-top:24px}.continue-heading{flex-wrap:wrap;gap:4px}.continue-heading h2{font-size:20px}.continue-heading>span{font-size:12px}.continue-grid{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px}.continue-card{padding:14px;gap:16px;flex:0 0 90%;scroll-snap-align:start}.continue-cover{width:60px;flex-basis:60px}.continue-info h3{font-size:16px}.collection .section-label h2 span{font-size:12px;margin-left:8px;letter-spacing:.5px}.collection .section-label>span{font-size:12px;letter-spacing:0}.book-status{font-size:12px}.book-meta{gap:6px}.text-link{font-size:14px}.book-caption h3{font-size:17px}}
@media(max-width:350px){.library-hero{padding-left:18px;padding-right:18px}.shelf-tools{padding-left:18px;padding-right:18px}.shelf-listen-link>span:first-child{display:none}.collection .section-label h2 span{display:none}}

/* Calm paper shelves set against softly layered, ambient colour. */
:root{--shelf-paper:#fcfaf5;--ambient-blue:#dbe4e4;--ambient-gold:#eee0c9;--ambient-green:#dce4d8}
:root[data-theme="dark"]{--shelf-paper:#242e29;--ambient-blue:#243b41;--ambient-gold:#3a342a;--ambient-green:#2b3c30}
body:not(.is-reading){background:radial-gradient(ellipse at 3% 8%,var(--ambient-blue),transparent 48%),radial-gradient(ellipse at 98% 25%,var(--ambient-gold),transparent 48%),radial-gradient(ellipse at 18% 95%,var(--ambient-green),transparent 55%),var(--paper);background-attachment:fixed}
.collection{background:var(--shelf-paper);padding-top:28px;padding-bottom:38px;border:0;border-radius:18px;box-shadow:inset 0 0 0 1px var(--line),0 12px 36px #26382f08}
.collection .book-object{background:var(--shelf-paper)}.collection .section-label{border-color:var(--line)}
.site-header{background:transparent}.continue-card,.listening-books article{background:var(--shelf-paper)}
.listening-home{padding:0 30px}.listen-chapter-list{margin-top:20px}.listen-chapter-list summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font-size:15px}.listen-chapter-list ol{list-style:none;margin:0;padding:0;max-height:420px;overflow:auto}.listen-chapter-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding:9px 0;font-size:14px}.listen-chapter-list li>span{min-width:0;overflow-wrap:anywhere}
.toc-entry{display:flex;align-items:center;gap:12px}.toc-entry>a:first-child{flex:1;min-width:0}
.book-toc .toc-entry>.chapter-listen-link,.reader-toc .toc-entry>.chapter-listen-link,.listen-chapter-list .chapter-listen-link{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;min-height:44px;padding:8px 12px;border:1px solid var(--line);border-radius:8px;font:14px/1.5 var(--sans);color:var(--accent);background:var(--shelf-paper);margin:0}
.chapter-listen-link:hover,.chapter-listen-button:hover{border-color:var(--accent)}.reader-toc .toc-entry{gap:5px}.reader-toc .toc-entry .toc-state{display:none}.reader-toc .toc-entry>.chapter-listen-link{font-size:12px;padding:8px 6px}.book-toc .toc-entry .toc-state{display:none}
.chapter-listen-button{display:inline-flex;align-items:center;min-height:44px;padding:10px 16px;margin-bottom:16px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--accent);font-size:15px}.chapter-listen-button:disabled{cursor:default}
.listen-panel summary{font-size:15px;overflow-wrap:anywhere}
@media(max-width:700px){.collection{margin-left:12px;margin-right:12px;padding-left:12px;padding-right:12px;padding-top:22px;padding-bottom:28px;border-radius:14px}.collection .bookshelf{gap:30px 22px}.listening-home{padding:0 24px;margin-top:24px}.listening-home h1{font-size:30px}.listening-home>p{font-size:15px}.listening-home .primary-link{font-size:14px}.book-toc .toc-entry{gap:8px}.book-toc .toc-entry>a:first-child{grid-template-columns:20px 1fr}.book-toc .toc-entry>.chapter-listen-link{padding:8px 10px;font-size:13px}.reader-toc .toc-entry>a:first-child{grid-template-columns:19px 1fr}.reader-toc .toc-entry .chapter-listen-link{font-size:12px}}
@media print{body:not(.is-reading){background:#fff}.collection{background:#fff;box-shadow:none}.chapter-listen-link,.chapter-listen-button,.listen-panel{display:none!important}}

@media(max-width:350px){.collection{margin-left:10px;margin-right:10px;padding-left:8px;padding-right:8px}}


/* Original reference layouts retain legible maps, tables and source records. */
.reference-page { margin-block: 2rem; scroll-margin-top: 6rem; }
.page-transcript { border: 1px solid var(--line, #d8d5cd); border-radius: 10px; padding: .8rem 1rem; }
.page-transcript summary { cursor: pointer; font-size: .85em; }
.source-link { overflow-wrap: anywhere; font-size: .75em; }

/* Local reading application */
.local-library{display:flex;justify-content:space-between;gap:2rem;padding:2rem;background:var(--paper,#eee9df);border:1px solid var(--line);border-radius:12px;max-width:1200px;margin:0 auto 2rem}
.local-library h2{font-size:clamp(1.5rem,4vw,2rem);margin:.4rem 0}.local-library p{margin:.5rem 0}.local-install{max-width:420px;flex:1}.local-library button,.local-book-controls button{font:inherit;color:inherit;background:transparent;border:1px solid currentColor;border-radius:4px;padding:.65rem .85rem;cursor:pointer;min-height:44px}.local-library button:hover,.local-book-controls button:hover{background:rgba(128,128,128,.12)}.local-book-controls{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}.local-book-controls button{font-size:.82rem}.local-book-controls small{width:100%;opacity:.75}.local-book-controls button:disabled{opacity:.45;cursor:default}.local-install details{margin-top:1rem;font-size:.85rem;line-height:1.8}.local-install summary{cursor:pointer}.local-summary{font-size:.85rem}.offline-status{max-width:1320px;margin:.75rem auto;padding:0 1.5rem;font-size:.82rem;min-height:1.4em;opacity:.8}[data-theme=dark] .local-library{background:#252e29}.book-card[hidden]{display:none!important}@media(max-width:650px){.local-library{flex-direction:column;padding:1.25rem;gap:.75rem}.local-install{max-width:none}.site-nav{flex-wrap:wrap}.local-library{margin-left:16px;margin-right:16px}.local-book-controls button{flex:1 1 100%}.offline-status{padding:0 1rem}}


/* Commerce pilot: book summary, sample boundary and future checkout. */
.book-abstract{margin:26px 0 8px;padding:22px 24px;border:1px solid var(--line);border-radius:12px;background:var(--shelf-paper)}
.book-abstract h2{font:400 24px/1.5 var(--serif);margin:5px 0 10px}.book-abstract>p:last-child{font:16px/2 var(--serif);margin:0}
.purchase-link{display:inline-flex;align-items:center;min-height:44px;padding:11px 18px;border:1px solid var(--accent);border-radius:5px;color:var(--accent);font-size:14px}
.sample-paywall{margin:40px 0 12px;padding:34px;border:1px solid var(--line);border-radius:14px;background:var(--shelf-paper);text-align:center}
.sample-paywall h2{font:400 30px/1.5 var(--serif);margin:8px 0 10px}.sample-paywall p{margin:0 auto 22px;color:var(--muted)}
.sample-paywall .primary-link,.sample-paywall .resume-link{margin:8px;display:inline-flex}
.purchase-page{max-width:720px;margin:50px auto 90px;padding:0 30px}.purchase-page h1{font:400 clamp(30px,5vw,46px)/1.5 var(--serif);margin:22px 0 12px}
.purchase-card{margin:28px 0;padding:28px;border:1px solid var(--line);border-radius:14px;background:var(--shelf-paper)}.purchase-card strong{font:400 22px/1.5 var(--serif)}.purchase-card p{margin:14px 0 20px;line-height:1.9}.purchase-card button{min-height:44px;padding:11px 18px;border:1px solid var(--line);border-radius:6px;opacity:.6}
@media(max-width:700px){.book-abstract{padding:18px}.book-abstract h2{font-size:21px}.book-abstract>p:last-child{font-size:15px}.sample-paywall{padding:26px 18px}.sample-paywall h2{font-size:25px}.purchase-page{margin-top:28px;padding:0 24px}}

/* Keep the complete contents legible while making preview availability clear. */
.book-toc .toc-locked .toc-state,.reader-toc .toc-locked .toc-state{display:inline;font-size:12px;color:var(--muted);white-space:nowrap}
.toc-locked .toc-entry>a:first-child{grid-template-columns:24px 1fr auto}
@media(max-width:700px){.book-toc .toc-locked .toc-entry>a:first-child,.reader-toc .toc-locked .toc-entry>a:first-child{grid-template-columns:20px 1fr}.toc-locked .toc-state{grid-column:2}}

/* Static account navigation; right aligned within the existing header. */
.site-header nav{justify-content:flex-end}.site-header .auth-disabled-link{white-space:nowrap}

/* Static recovery stays outside #main; native disclosure works without JS/CSS. */
.static-recovery{max-width:1280px;margin:0 auto;padding:12px 40px;color:var(--muted);font-size:13px;line-height:1.7;overflow-wrap:anywhere}
.static-recovery>p{display:inline}.static-recovery>p a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.static-recovery details{display:inline-block;margin-inline-start:16px}.static-recovery summary{cursor:pointer;font-size:12px}
.static-recovery details[open]{display:block;margin-inline-start:0;margin-top:6px}.static-recovery details p{max-width:75ch;margin-top:6px}
@media(max-width:1100px){.static-recovery{padding-left:30px;padding-right:30px}}
@media(max-width:700px){.static-recovery{padding-left:24px;padding-right:24px}.static-recovery details{display:block;margin-inline-start:0;margin-top:4px}}
@media(max-width:350px){.static-recovery{padding-left:18px;padding-right:18px}}