/* The shared paper, cobalt and olive palette continues into books and essays. */
.site-header nav{flex-shrink:0}
.editorial-heading{padding:58px 0 37px;display:flex;justify-content:space-between;align-items:flex-end;gap:28px}
.editorial-page h1{font-size:48px;font-weight:550;letter-spacing:-2px;line-height:1.3;margin:16px 0 14px;overflow-wrap:anywhere}
.editorial-heading>div>p:last-child{font-size:14px;line-height:1.9;color:var(--muted);margin:0}
.heading-aside{font:italic 17px/1.8 var(--serif);color:var(--muted);margin:0 0 4px}
.library{border-top:1px solid var(--line);padding:0 0 40px}
.library-toolbar{display:flex;justify-content:space-between;align-items:center;gap:24px;border-bottom:1px solid var(--line);min-height:84px}
.shelf-tabs{display:flex;align-items:stretch;gap:27px;align-self:stretch}
.shelf-tabs button{border:0;border-bottom:2px solid transparent;background:none;padding:20px 0 18px;font-size:12px;color:var(--muted);min-height:44px}
.shelf-tabs button:hover,.shelf-tabs button[aria-pressed="true"]{color:var(--blue)}
.shelf-tabs button[aria-pressed="true"]{border-bottom-color:var(--blue)}
.library-search{width:310px;display:flex;align-items:center;gap:9px;border:1px solid var(--line);background:#fff;border-radius:4px;padding:0 12px;height:42px}
.library-search:focus-within{outline:2px solid var(--blue);outline-offset:2px}
.library-search>span{font-size:22px;line-height:1;color:var(--muted)}
.library-search input{min-width:0;width:100%;border:0;background:none;outline:none;font:11px var(--sans);color:var(--ink);height:100%}
.library-search kbd{font:9px var(--mono);color:#8a8d82;white-space:nowrap}
.shelf-status{display:flex;justify-content:space-between;align-items:center;padding:22px 0 23px;font-size:10px;color:var(--muted)}
.shelf-status p{margin:0}.shelf-status>span{font:8px var(--mono);letter-spacing:1.1px}
.book-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:44px 32px;padding-bottom:38px}
.book-card{min-width:0}.book-card[hidden]{display:none}
.book-cover-link{display:block;position:relative;background:#e9eae2;border:1px solid #e1e3d9;overflow:hidden}
.book-cover-wrap{height:285px;display:flex;align-items:center;justify-content:center;padding:24px;transition:background .18s}
.book-card:nth-child(3n+2) .book-cover-wrap{background:#e8ece4}.book-card:nth-child(3n) .book-cover-wrap{background:#e9ebf2}
.book-cover-wrap img{display:block;max-height:100%;max-width:100%;width:auto;height:auto;object-fit:contain;box-shadow:3px 8px 13px #242a201a;transition:transform .2s}
.book-cover-link:hover img{transform:translateY(-4px)}
.cover-read{position:absolute;bottom:12px;left:14px;right:14px;text-align:right;font-size:9px;color:var(--muted);opacity:0;transition:opacity .18s}
.book-cover-link:hover .cover-read,.book-cover-link:focus-visible .cover-read{opacity:1}
.book-cover-title{font:25px/1.6 var(--serif);padding:20px;text-align:center;color:var(--blue);overflow-wrap:anywhere}
.book-information{padding-top:17px}.book-topic{font-size:9px;color:var(--green)}
.book-information h2{font-size:18px;font-weight:550;line-height:1.5;letter-spacing:-.4px;margin:9px 0 6px;overflow-wrap:anywhere}
.book-information h2 a:hover{color:var(--blue)}
.book-author{font-size:10px;line-height:1.8;color:var(--muted);margin:0 0 10px;overflow-wrap:anywhere}
.book-summary{font-size:11px;line-height:1.9;color:var(--muted);margin:0;min-height:42px}
.book-read-link{display:flex;justify-content:space-between;align-items:center;font-size:10px;width:100%;padding:12px 0 8px;border-bottom:1px solid var(--line);margin-top:10px;min-height:38px}
.book-read-link:hover{color:var(--blue);border-color:var(--blue)}
.library-colophon{border-top:1px solid var(--line);padding:22px 0 0;display:flex;justify-content:space-between;gap:18px;font-size:10px;line-height:1.9;color:var(--muted)}
.library-colophon p{margin:0}.library-colophon a{border-bottom:1px solid #b3bbab;color:var(--green)}
.library-empty{text-align:center;padding:78px 20px 85px}.library-empty[hidden]{display:none}
.library-empty h2{font-size:27px;font-weight:500;letter-spacing:-.7px;margin:18px 0 14px}
.library-empty>p:not(.eyebrow){font-size:13px;line-height:1.9;color:var(--muted);margin:0 0 23px}
.editorial-button{display:inline-flex;gap:34px;justify-content:space-between;align-items:center;background:none;border:0;border-bottom:1px solid var(--ink);padding:9px 0;min-height:42px;font-size:11px;color:var(--ink)}
.editorial-button:hover{color:var(--blue);border-color:var(--blue)}
.editorial-footer{display:flex;align-items:center;gap:30px;border-top:1px solid var(--line);padding:31px 0 36px}
.editorial-footer .wordmark{font-size:24px}.editorial-footer>p{font:9px var(--mono);color:var(--muted);margin:0}
.editorial-footer nav{display:flex;gap:24px;margin-left:auto;font-size:10px;color:var(--muted)}
.editorial-footer nav a{min-height:36px;display:flex;align-items:center;gap:7px}.editorial-footer nav a:hover{color:var(--blue)}
.rss-link{font:10px var(--mono);display:flex;gap:15px;min-height:44px;align-items:center;color:var(--muted)}
.rss-link:hover{color:var(--blue)}.blog-content{border-top:1px solid var(--line);min-height:420px;padding-bottom:45px}
.blog-empty{max-width:620px;margin:64px auto 30px;padding:20px 0 32px;text-align:center}
.empty-rule{display:block;height:38px;width:1px;background:var(--blue);margin:0 auto 26px}
.blog-empty .eyebrow{font-size:8px}.blog-empty h2{font:500 30px/1.6 var(--serif);letter-spacing:1px;margin:18px 0 12px}
.blog-empty>p:not(.eyebrow){font-size:13px;line-height:2;color:var(--muted);margin:0 0 24px}
.post-list{max-width:900px}.post-row{border-bottom:1px solid var(--line);padding:29px 0 32px}.post-meta{display:flex;gap:17px;color:var(--muted);font-size:10px;margin:0}
.post-meta time{font-family:var(--mono)}.post-row h2{font-size:23px;font-weight:500;line-height:1.6;margin:12px 0 9px;overflow-wrap:anywhere}.post-row h2 a:hover{color:var(--blue)}
.post-row h2 span{font-size:17px;margin-left:14px;color:var(--blue)}.post-row>p:last-child{font-size:12px;line-height:1.9;color:var(--muted);margin:0;max-width:690px}
.reader-topline{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:23px 0;border-bottom:1px solid var(--line);font-size:11px}
.reader-topline>a{overflow-wrap:anywhere}.reader-topline>a:hover{color:var(--blue)}.reader-settings{display:flex;gap:7px;flex-shrink:0}
.reader-settings button{border:1px solid var(--line);background:none;min-width:38px;min-height:36px;font:11px var(--serif)}.reader-settings button:hover{border-color:var(--blue);color:var(--blue)}
.article-layout{max-width:1040px;margin:0 auto;padding:49px 0 68px}.article-heading{padding-bottom:29px}.article-heading h1{font-size:38px;line-height:1.6;margin:15px 0}
.article-heading>p:last-child:not(.eyebrow){font-size:14px;line-height:1.9;color:var(--muted)}
.article-columns{display:grid;grid-template-columns:minmax(0,1fr) 176px;gap:55px}.prose{font:17px/2 var(--sans);color:var(--ink);overflow-wrap:anywhere;min-width:0}
.prose>*:first-child{margin-top:0}.prose p{margin:0 0 1.4em}.prose h1,.prose h2,.prose h3,.prose h4{font-family:var(--sans);font-weight:600;line-height:1.65;letter-spacing:-.5px;scroll-margin-top:25px;margin:1.7em 0 .8em}
.prose h1{font-size:1.7em}.prose h2{font-size:1.4em}.prose h3{font-size:1.15em}.prose a{color:var(--blue);border-bottom:1px solid #bdc5ee}
.prose img{max-width:100%;height:auto}.prose pre{overflow:auto;background:#eaece4;border:1px solid var(--line);padding:18px;font:12px/1.9 var(--mono);border-radius:4px}.prose code{font-family:var(--mono);font-size:.85em}
.prose blockquote{border-left:2px solid var(--green);padding-left:22px;margin:25px 0;color:var(--muted)}.prose table{border-collapse:collapse;display:block;overflow:auto;max-width:100%;font-size:.85em}.prose th,.prose td{padding:9px 13px;border:1px solid var(--line);text-align:left}
.article-toc{font-size:10px;align-self:start;position:sticky;top:25px;border-left:1px solid var(--line);padding-left:20px}.article-toc>p{font-weight:600;margin:0 0 15px}
.article-toc nav,.chapter-sidebar nav,.mobile-chapters nav{display:grid;gap:13px}.article-toc a{line-height:1.8;color:var(--muted)}.article-toc a:hover{color:var(--blue)}.article-toc .toc-level-3{padding-left:12px}
.reading-progress{position:fixed;left:0;top:0;width:100%;height:2px;border:0;appearance:none;z-index:40;background:transparent}.reading-progress::-webkit-progress-bar{background:transparent}.reading-progress::-webkit-progress-value{background:var(--blue)}.reading-progress::-moz-progress-bar{background:var(--blue)}
.back-link{display:inline-flex;padding:26px 0;min-height:44px;font-size:11px;color:var(--muted)}.original-book-heading{max-width:760px;padding:25px 0 34px}.original-book-heading>p:not(.eyebrow){font-size:12px;color:var(--muted);line-height:1.9}.original-book-heading .original-summary{font-size:15px;margin:23px 0}
.chapter-list{list-style:none;margin:0 0 70px;padding:0;max-width:760px;border-top:1px solid var(--line)}.chapter-list li{border-bottom:1px solid var(--line)}.chapter-list a{padding:19px 0;display:flex;gap:20px;align-items:center;font-size:14px}.chapter-list a:hover{color:var(--blue)}.chapter-list a>span:first-child{font:10px var(--mono);color:var(--muted)}.chapter-list a>span:last-child{margin-left:auto}
.book-reader{display:grid;grid-template-columns:205px minmax(0,760px);gap:48px;padding:36px 0 70px;justify-content:center}.chapter-sidebar{border-right:1px solid var(--line);padding-right:24px;position:sticky;top:26px;align-self:start}.chapter-sidebar>p{font-size:12px;line-height:1.8;font-weight:600;margin:0 0 24px}
.chapter-sidebar a,.mobile-chapters a{font-size:11px;line-height:1.8;color:var(--muted);min-height:28px}.chapter-sidebar a[aria-current],.chapter-sidebar a:hover,.mobile-chapters a[aria-current]{color:var(--blue)}
.mobile-chapters{display:none}.chapter-pagination{display:flex;justify-content:space-between;gap:24px;padding-top:25px;border-top:1px solid var(--line);margin-top:42px;font-size:11px;line-height:1.8}.chapter-pagination a:hover{color:var(--blue)}
/* Home sections keep the existing project's visual rhythm. */
.home-books,.home-blog{border-top:1px solid var(--line);margin-top:65px;padding-top:42px}
.home-books .section-heading,.home-blog .section-heading{align-items:center}.section-heading .section-action{font-size:11px;display:flex;gap:21px;align-items:center;min-height:44px}.section-action:hover{color:var(--blue)}
.home-book-feature{display:grid;grid-template-columns:.85fr 1.3fr;background:#eaece2;border:1px solid var(--line);min-height:290px}
.home-book-copy{padding:36px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.home-book-copy h3{font:500 28px/1.7 var(--serif);letter-spacing:.3px;margin:0 0 14px}.home-book-copy>p{font-size:12px;line-height:1.9;color:var(--muted);max-width:250px;margin:0 0 20px}
.mini-shelf{display:flex;align-items:center;justify-content:center;gap:22px;padding:32px;min-width:0}.mini-shelf a{display:flex;min-width:0;max-width:28%;height:207px;align-items:center}.mini-shelf img{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;box-shadow:3px 7px 12px #25282419;transition:transform .18s}.mini-shelf a:hover img{transform:translateY(-5px)}
.home-blog-row{padding:29px 0 33px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:32px}.home-blog-row h3{font-size:21px;font-weight:450;line-height:1.6;letter-spacing:-.5px;margin:0 0 10px}.home-blog-row p{font-size:12px;color:var(--muted);line-height:1.9;margin:0}.home-blog-row .editorial-button{flex-shrink:0}
@media(min-width:1400px){.book-cover-wrap{height:315px}}
@media(max-width:1000px){.book-grid{gap:35px 22px}.book-cover-wrap{height:245px;padding:21px}.book-information h2{font-size:16px}.library-toolbar{gap:15px}.shelf-tabs{gap:20px}.library-search{width:275px}.home-book-copy{padding:28px}.home-book-copy h3{font-size:24px}.mini-shelf{gap:17px;padding:24px}.mini-shelf a{height:180px}.article-columns{grid-template-columns:minmax(0,1fr) 155px;gap:30px}.book-reader{gap:30px;grid-template-columns:175px minmax(0,1fr)}}
@media(max-width:700px){.site-header nav,.toolbox-page .site-header nav{gap:14px}.site-header .nav-number{display:none}.editorial-heading{padding:35px 0 27px;gap:15px}.editorial-page h1{font-size:36px;letter-spacing:-1.3px;margin:12px 0}.editorial-heading>div>p:last-child{font-size:12px}.heading-aside{display:none}.library-toolbar{flex-direction:column;align-items:stretch;gap:0;padding:0 0 15px}.shelf-tabs{gap:28px;min-height:61px}.shelf-tabs button{padding:14px 0;font-size:11px}.library-search{width:100%;height:42px}.library-search kbd{display:none}.shelf-status{padding:18px 0 20px}.shelf-status>span{font-size:6px;letter-spacing:.7px}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 17px;padding-bottom:28px}.book-cover-wrap{height:230px;padding:20px 14px}.book-information{padding-top:13px}.book-information h2{font-size:15px;margin-top:7px}.book-topic{font-size:8px}.book-author{font-size:9px}.book-summary{font-size:10px;min-height:38px}.book-read-link{font-size:9px}.cover-read{display:none}.library-colophon{display:block;font-size:9px}.library-colophon p+p{margin-top:8px}.library-empty{padding:60px 12px}.library-empty h2{font-size:24px}.library-empty>p:not(.eyebrow){font-size:12px}.editorial-footer{flex-wrap:wrap;padding:25px 0 28px;gap:15px}.editorial-footer>p{font-size:8px}.editorial-footer nav{width:100%;margin:0;justify-content:space-between;font-size:9px;gap:12px}.editorial-footer nav a{min-height:32px}.blog-content{min-height:380px;padding-bottom:25px}.blog-empty{margin:29px auto 10px;padding:18px 0 25px}.blog-empty h2{font-size:26px}.blog-empty>p:not(.eyebrow){font-size:12px}.rss-link{font-size:9px}.post-row{padding:24px 0}.post-row h2{font-size:20px}.post-row>p:last-child{font-size:11px}.post-meta{font-size:9px}.home-books,.home-blog{margin-top:43px;padding-top:30px}.home-books .section-heading,.home-blog .section-heading{margin-bottom:20px}.section-heading .section-action{font-size:9px;gap:10px}.home-book-feature{grid-template-columns:1fr}.home-book-copy{padding:27px 25px 8px}.home-book-copy h3{font-size:26px;margin-bottom:10px}.home-book-copy>p{font-size:11px;max-width:none;margin-bottom:13px}.mini-shelf{gap:22px;padding:20px 25px 28px}.mini-shelf a{height:185px}.home-blog-row{padding:22px 0 26px;display:block}.home-blog-row h3{font-size:20px}.home-blog-row p{font-size:11px}.home-blog-row .editorial-button{margin-top:15px}.article-layout{padding:29px 0 45px}.article-heading h1{font-size:29px;letter-spacing:-.8px}.article-heading>p:last-child:not(.eyebrow){font-size:12px}.article-columns{display:block}.article-toc{display:none}.prose{font-size:16px;line-height:2}.prose pre{font-size:11px;padding:14px}.reader-topline{padding:17px 0;font-size:10px}.reader-settings button{min-width:35px;min-height:36px}.book-reader{display:block;padding:22px 0 42px}.chapter-sidebar{display:none}.mobile-chapters{display:block;border:1px solid var(--line);padding:12px 15px;margin-bottom:27px;font-size:11px}.mobile-chapters summary{cursor:pointer}.mobile-chapters nav{padding-top:18px;gap:10px}.chapter-pagination{font-size:10px;gap:17px}.original-book-heading{padding-top:15px}.chapter-list a{font-size:12px;gap:15px}.original-book-heading .original-summary{font-size:13px}}
@media(max-width:400px){.book-cover-wrap{height:200px;padding:18px 12px}.book-grid{gap:25px 13px}.book-information h2{font-size:14px}.mini-shelf{gap:16px;padding-left:20px;padding-right:20px}.mini-shelf a{height:162px}.site-header nav,.toolbox-page .site-header nav{gap:12px}.book-summary{min-height:57px}}
@media(prefers-reduced-motion:reduce){.book-cover-wrap,.book-cover-wrap img,.cover-read,.mini-shelf img{transition:none}.book-cover-link:hover img,.mini-shelf a:hover img{transform:none}}