:root{--paper:#fafaf8;--surface:#fff;--rail:#f1f2ef;--ink:#272c29;--muted:#727971;--faint:#949a93;--line:#e5e7e1;--hover:#ecefe9;--accent:#416858;--accent-hover:#345748;--accent-soft:#e7eee7;--shadow:0 18px 70px #25312718;--reader-size:18px;--reader-line:1.9;--cover-stage:#f0f1ec;--cover-stage-alt:#efeee9;--cover-fallback:#e1e6dd;--cover-fallback-ink:#3d4e43;--highlight-bg:#e5edbf;--highlight-ink:inherit;--selection-bg:#d3e6d4;color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper)}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}button{color:inherit}a{color:inherit;text-decoration:none}button,select,input{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--accent)}[hidden]{display:none!important}h1,h2,h3,p{margin:0}svg.icon{width:20px;height:20px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.6;display:block}button svg.icon{pointer-events:none}button{border:0;background:none}input,textarea,select{color:var(--ink)}::selection{background:var(--selection-bg)}kbd{font:11px/1.4 inherit;color:var(--faint);border:1px solid var(--line);border-radius:4px;padding:2px 5px}small{font-size:12px}.muted{color:var(--muted)}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:6px;color:var(--muted);transition:background .14s,color .14s,transform .14s}.icon-button:hover{background:var(--hover);color:var(--ink)}.icon-button:active{transform:scale(.94)}.icon-button.active{color:var(--accent);background:var(--accent-soft)}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:36px;padding:8px 13px;border:1px solid var(--line);border-radius:7px;background:var(--surface);font-size:13px;font-weight:500;white-space:nowrap;transition:background .14s,border-color .14s,transform .14s}.button:hover{background:var(--hover);border-color:#cdd5cd}.button:active{transform:translateY(1px)}.button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.button.primary:hover{background:var(--accent-hover)}.button svg.icon{width:17px;height:17px}.button.ghost{border-color:transparent;background:transparent}.button.ghost:hover{background:var(--hover)}.button.compact{min-height:30px;padding:5px 10px;font-size:12px}.text-button{color:var(--muted);display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:5px 0}.text-button:hover{color:var(--accent)}.text-button .icon{width:16px;height:16px}
.app-shell{display:grid;grid-template-columns:220px minmax(0,1fr);min-height:100vh}.sidebar{height:100vh;position:sticky;top:0;display:flex;flex-direction:column;padding:27px 16px 18px;background:var(--rail);border-right:1px solid var(--line)}.brand{display:flex;align-items:center;gap:11px;padding:0 10px;margin-bottom:30px}.brand img{width:30px;height:30px}.brand strong{font-size:15px;font-weight:600;letter-spacing:-.3px}.brand small{display:block;color:var(--muted);font-size:11px;margin-top:3px}.side-search{display:flex;align-items:center;gap:9px;padding:8px 11px;border:1px solid #dde2d9;border-radius:6px;color:var(--muted);text-align:left;font-size:12px;margin-bottom:22px}.side-search .icon{width:16px;height:16px}.side-search kbd{margin-left:auto;border:0;padding:0}.side-nav{display:grid;gap:3px}.side-nav button{display:flex;align-items:center;gap:10px;min-height:38px;padding:8px 11px;text-align:left;border-radius:6px;font-size:13px;color:var(--muted);transition:background .14s,color .14s}.side-nav button .icon{width:17px;height:17px}.side-nav button:hover{background:var(--hover);color:var(--ink)}.side-nav button.selected{background:#e2e7de;color:var(--ink);font-weight:500}.side-nav .count{font-size:11px;font-variant-numeric:tabular-nums;margin-left:auto;color:var(--faint)}.side-section-label{margin:31px 11px 10px;font-size:11px;color:var(--faint);display:flex;align-items:center;justify-content:space-between}.side-footer{margin-top:auto;border-top:1px solid var(--line);padding-top:15px}.side-footer :is(button,a){width:100%;display:flex;align-items:center;gap:10px;min-height:36px;color:var(--muted);font-size:12px;padding:8px 11px;border-radius:6px;text-decoration:none}.side-footer :is(button,a):hover{background:var(--hover)}.side-footer .icon{width:17px;height:17px}.workspace-label{display:flex;align-items:center;gap:9px;padding:18px 10px 0;font-size:12px;color:var(--muted)}.avatar{width:25px;height:25px;border-radius:50%;display:grid;place-items:center;background:#dde5da;color:var(--accent);font-size:11px}
.content-shell{min-width:0}.location-bar{height:62px;display:flex;align-items:center;gap:8px;padding:0 42px;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}.location-bar .icon{width:15px;height:15px;color:var(--faint)}.location-bar .trail{color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:70%}.location-bar .spacer{flex:1}.location-bar a:hover{color:var(--accent)}.main{max-width:1270px;margin:0 auto;padding:39px 44px 70px}.page-title{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:31px}.page-title h1{font-size:28px;line-height:1.4;font-weight:600;letter-spacing:-.8px}.page-title p{color:var(--muted);font-size:12px;margin-top:7px}.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:19px}.section-heading h2{font-size:14px;font-weight:600}.reading-entry{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:22px;padding-bottom:30px;margin-bottom:22px;border-bottom:1px solid var(--line)}.reading-entry .cover{width:65px;height:90px;box-shadow:2px 4px 9px #1f29141b}.reading-entry .entry-label{color:var(--accent);font-size:11px;display:flex;gap:6px;align-items:center;margin-bottom:8px}.entry-label .icon{width:13px;height:13px}.reading-entry h2{font:600 21px/1.45 "Songti SC","STSong",serif;letter-spacing:.2px;margin-bottom:6px}.reading-entry p{font-size:12px;color:var(--muted);line-height:1.8;max-width:640px}.reading-entry .entry-author{margin-bottom:6px;font-size:11px}.library-tools{display:flex;align-items:center;gap:15px;margin-bottom:25px;border-bottom:1px solid var(--line)}.tabs{display:flex;gap:23px}.tabs button{position:relative;padding:12px 0;font-size:13px;color:var(--muted);white-space:nowrap}.tabs button[aria-selected=true]{color:var(--ink);font-weight:500}.tabs button[aria-selected=true]:after{position:absolute;content:"";height:2px;background:var(--accent);bottom:-1px;left:0;right:0;border-radius:2px}.tabs small{font-size:10px;margin-left:5px;color:var(--faint)}.library-tools .tools-right{margin-left:auto;display:flex;align-items:center;gap:8px;padding-bottom:3px}.sort-select{border:0;background:none;font-size:12px;color:var(--muted);padding:5px;max-width:105px}.view-toggle{display:flex;gap:2px}.view-toggle .icon-button{width:29px;height:29px}.view-toggle .icon{width:16px;height:16px}.library-search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:6px;padding:7px 10px;background:var(--surface);width:200px}.library-search .icon{width:15px;height:15px;color:var(--muted)}.library-search input{border:0;width:100%;min-width:0;outline:none;font-size:12px;background:transparent}.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));column-gap:27px;row-gap:30px}.book-item{min-width:0;position:relative}.book-open{display:block;width:100%;padding:0;text-align:left}.cover-stage{display:flex;align-items:center;justify-content:center;height:200px;margin-bottom:15px;background:var(--cover-stage);border-radius:3px;overflow:hidden;position:relative;transition:background .18s}.book-item:nth-child(3n+2) .cover-stage{background:var(--cover-stage-alt)}.book-item:nth-child(3n) .cover-stage{background:var(--cover-stage)}.cover{height:174px;width:122px;object-fit:cover;border-radius:1px 3px 3px 1px;display:block;box-shadow:3px 5px 10px #18261f20;transition:transform .2s,box-shadow .2s}.cover-fallback{position:relative;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px;background:var(--cover-fallback);color:var(--cover-fallback-ink);text-align:center;padding:15px;border-left:4px solid #c9d4c5}.cover-fallback strong{font:500 17px/1.5 "Songti SC",serif;max-width:100%;overflow-wrap:anywhere}.cover-fallback small{font-size:9px;letter-spacing:1.3px}.cover-fallback .icon{width:23px;height:23px}.book-open:hover .cover{transform:translateY(-4px);box-shadow:3px 9px 13px #18261f22}.book-open:active .cover{transform:translateY(-1px)}.book-caption{padding:0 2px;min-height:65px}.book-caption h3{font-size:13px;line-height:1.65;font-weight:500;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;padding-right:12px}.book-caption p{font-size:11px;color:var(--muted);margin-top:5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.book-meta{display:flex;align-items:center;gap:7px;color:var(--faint);font-size:10px;margin-top:7px}.book-item .book-more{flex:0 0 auto}.book-item:hover .book-more,.book-item:focus-within .book-more{opacity:1}.book-item .bookmark-tag{position:absolute;top:0;left:10px;background:var(--accent);color:#fff;padding:4px 3px 7px;clip-path:polygon(0 0,100% 0,100% 100%,50% 82%,0 100%)}.bookmark-tag .icon{width:12px;height:12px}.book-progress{height:2px;background:var(--line);margin-top:10px}.book-progress span{display:block;background:var(--accent);height:100%}.library-bottom{font-size:11px;color:var(--faint);margin-top:38px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between}.empty-view{min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:15px;color:var(--muted)}.empty-view .icon{width:30px;height:30px;color:var(--faint)}.empty-view p{font-size:13px}.book-list{width:100%}.list-heading{display:grid;grid-template-columns:minmax(0,1fr) 130px 100px 68px;gap:15px;padding:0 12px 12px;font-size:11px;color:var(--faint);border-bottom:1px solid var(--line)}.list-row{display:grid;grid-template-columns:minmax(0,1fr) 130px 100px 68px;align-items:center;gap:15px;padding:13px 12px;border-bottom:1px solid var(--line);transition:background .14s}.list-row:hover{background:var(--hover)}.list-row .list-title{display:flex;align-items:center;gap:15px;text-align:left;padding:0;min-width:0}.list-row .cover{width:34px;height:47px;flex-shrink:0;box-shadow:1px 2px 4px #00000015}.list-row .cover-fallback{padding:3px;border-left-width:2px}.list-row .cover-fallback strong,.list-row .cover-fallback small{display:none}.list-row .cover-fallback .icon{width:17px;height:17px}.list-title strong{font-size:13px;font-weight:500;display:block;line-height:1.6}.list-title small{font-size:11px;color:var(--muted);display:block;margin-top:2px}.list-row>.muted{font-size:11px}.list-row>.kind{font-size:11px;color:var(--muted)}
.book-hero{display:grid;grid-template-columns:158px minmax(0,1fr);gap:35px;padding:8px 0 36px}.book-hero .cover{width:154px;height:216px;box-shadow:4px 7px 17px #25312724}.book-hero-body{padding:4px 0}.book-hero .book-domain{display:flex;align-items:center;gap:7px;font-size:11px;color:var(--muted);margin-bottom:12px}.book-domain .icon{width:14px;height:14px}.book-hero h1{font:600 31px/1.45 "Songti SC","STSong",serif;letter-spacing:-.2px;max-width:800px;margin-bottom:10px}.book-hero .author{color:var(--muted);font-size:13px;margin-bottom:17px}.book-hero .description{font-size:13px;line-height:1.9;color:var(--muted);max-width:620px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:15px}.book-facts{display:flex;gap:16px;align-items:center;font-size:11px;color:var(--faint);margin-bottom:22px}.hero-actions{display:flex;gap:9px;align-items:center}.hero-actions .button{min-height:38px}.detail-tabs{border-bottom:1px solid var(--line);margin-bottom:9px}.chapter-list{max-width:980px}.chapter-row{display:flex;align-items:center;gap:18px;border-bottom:1px solid var(--line);min-height:64px;padding:13px 9px;transition:background .14s}.chapter-row:hover{background:var(--hover)}.chapter-open{display:flex;align-items:center;gap:20px;text-align:left;padding:0;flex:1;min-width:0}.chapter-index{font-size:11px;color:var(--faint);font-variant-numeric:tabular-nums;width:22px}.chapter-title{font-size:14px;line-height:1.65;font-weight:400}.chapter-row.current .chapter-title{color:var(--accent);font-weight:500}.chapter-row .chapter-state{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--muted);white-space:nowrap}.chapter-state .icon{width:14px;height:14px;color:var(--accent)}.chapter-row .chapter-arrow{width:16px;height:16px;color:var(--faint)}.detail-information{padding:27px 0;display:grid;grid-template-columns:100px 1fr;gap:22px;font-size:13px;line-height:1.9}.detail-information dt{color:var(--muted)}.detail-information dd{margin:0}.detail-note{padding:22px 0;border-bottom:1px solid var(--line);font-size:14px;line-height:1.9}.detail-note h3{font-size:16px;margin-bottom:10px}.detail-note small{color:var(--muted)}
.reader-shell{min-height:100vh;background:var(--paper)}.reader-top{position:sticky;top:0;z-index:20;height:58px;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 22px;gap:16px}.reader-back{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);white-space:nowrap}.reader-back .icon{width:16px;height:16px}.reader-book-name{font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:290px;color:var(--muted);border-left:1px solid var(--line);padding-left:16px}.reader-top .reader-controls{margin-left:auto;display:flex;gap:7px;align-items:center}.reader-top .vertical-line{height:17px;width:1px;background:var(--line);margin:0 5px}.reader-controls .icon-button .icon{width:18px;height:18px}.reader-layout{display:grid;grid-template-columns:300px minmax(0,1fr);min-height:calc(100vh - 58px);transition:grid-template-columns .2s}.reader-layout.with-toc{grid-template-columns:300px 220px minmax(0,1fr)}.reader-layout.no-notes{grid-template-columns:minmax(0,1fr)}.reader-layout.with-toc.no-notes{grid-template-columns:220px minmax(0,1fr)}.reader-notes{grid-column:1;grid-row:1}.reader-main{grid-column:2;grid-row:1}.reader-layout.with-toc .reader-toc{grid-column:2;grid-row:1}.reader-layout.with-toc .reader-main{grid-column:3}.reader-layout.no-notes .reader-main{grid-column:1}.reader-layout.with-toc.no-notes .reader-toc{grid-column:1}.reader-layout.with-toc.no-notes .reader-main{grid-column:2}.reader-toc{background:var(--rail);border-right:1px solid var(--line);position:sticky;top:58px;height:calc(100vh - 58px);overflow:auto;padding:23px 12px}.reader-toc h2{font-size:12px;margin:0 10px 17px;color:var(--muted);font-weight:500}.reader-toc button{display:flex;align-items:flex-start;gap:10px;padding:11px 10px;width:100%;font-size:12px;line-height:1.7;border-radius:5px;color:var(--muted);text-align:left}.reader-toc button:hover{background:var(--hover)}.reader-toc button.selected{background:var(--accent-soft);color:var(--accent)}.reader-toc .toc-index{font-size:10px;color:var(--faint);padding-top:1px;min-width:17px}.reader-main{min-width:0;padding:0 32px}.reading-paper{max-width:660px;margin:0 auto;padding:52px 10px 70px;transition:font-size .12s}.reader-eyebrow{color:var(--faint);font-size:11px;margin-bottom:19px;display:flex;align-items:center;gap:9px}.reader-eyebrow span+span:before{content:"·";margin-right:9px}.reading-paper h1{font:600 28px/1.55 "Songti SC","STSong",serif;letter-spacing:.4px;margin-bottom:22px}.chapter-subtitle{font-size:12px;color:var(--muted);padding-bottom:28px;border-bottom:1px solid var(--line);margin-bottom:30px}.reader-prose{font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;font-size:var(--reader-size);line-height:var(--reader-line);letter-spacing:.25px}.reader-prose p{margin-bottom:1.3em;text-align:justify;overflow-wrap:anywhere}.reader-prose p:first-child:first-letter{font-size:1.08em}.reader-prose mark{background:var(--highlight-bg);color:var(--highlight-ink);border-radius:2px;padding:1px 0}.reader-prose mark.annotation-highlight{background:var(--highlight-bg);color:var(--highlight-ink)}::highlight(annotation-selection),::highlight(annotations){background:var(--highlight-bg);color:var(--highlight-ink)}.reader-prose .body-heading{font-size:1.12em;font-weight:600;margin:1.7em 0 .8em}.reading-progress{height:2px;background:var(--line);position:absolute;bottom:-1px;left:0;right:0}.reading-progress span{height:100%;display:block;background:var(--accent);transition:width .3s}.chapter-end{border-top:1px solid var(--line);padding-top:25px;margin-top:45px;display:flex;align-items:center;gap:15px}.chapter-end .next-chapter{margin-left:auto}.chapter-end .button{font-family:inherit}.reader-notes{border-right:1px solid var(--line);background:var(--surface);position:sticky;top:58px;height:calc(100vh - 58px);overflow:auto;padding:0 20px 25px}.reader-notes .tabs{gap:22px}.reader-notes .tabs button{padding:18px 0;font-size:12px}.reader-notes .tabs{border-bottom:1px solid var(--line)}.notes-heading{font-size:11px;color:var(--muted);display:flex;justify-content:space-between;align-items:center;padding:23px 0 17px}.notes-heading .icon{width:15px;height:15px}.note-empty{padding:30px 8px;text-align:center;color:var(--muted)}.note-empty .icon{margin:0 auto 13px;color:var(--faint);width:26px;height:26px}.note-empty p{font-size:12px;line-height:1.85}.note-empty small{display:block;font-size:11px;color:var(--faint);margin-top:7px;line-height:1.9}.annotation-item{margin:0 0 22px;font-size:12px;line-height:1.85}.annotation-item blockquote{margin:0 0 9px;border-left:2px solid #a1b59b;padding-left:12px;color:var(--ink);font-family:"Songti SC",serif;font-size:14px;line-height:1.8}.annotation-item .annotation-meta{display:flex;align-items:center;gap:7px;color:var(--faint);font-size:10px}.annotation-meta .delete-note{margin-left:auto;color:var(--muted);font-size:10px}.note-editor{padding-top:19px;border-top:1px solid var(--line);margin-top:15px}.note-editor label{font-size:11px;color:var(--muted);display:block;margin-bottom:10px}.note-editor textarea{resize:vertical;min-height:110px;width:100%;padding:11px;border:1px solid var(--line);border-radius:6px;font-size:12px;line-height:1.8;background:var(--paper)}.note-editor .button{margin-top:9px}.linear-note{font-size:12px;line-height:1.85;padding:17px 0;border-bottom:1px solid var(--line)}.linear-note h3{font-size:14px;font-weight:500;margin-bottom:10px}.linear-note .note-evidence{font-size:11px;color:var(--muted);border-left:2px solid var(--line);padding-left:10px;margin-top:10px}.reader-find{position:sticky;top:58px;z-index:19;display:flex;align-items:center;justify-content:center;gap:12px;padding:10px;background:var(--surface);border-bottom:1px solid var(--line)}.reader-find input{width:min(350px,60vw);padding:7px 10px;border:1px solid var(--line);border-radius:5px;background:var(--paper);font-size:12px}.reader-find span{font-size:11px;color:var(--muted)}.reader-pdf{width:100%;height:calc(100vh - 130px);border:0}.video-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:330px;background:#e7ebe4;color:var(--muted);gap:16px;margin-bottom:25px}.video-empty .icon{width:38px;height:38px}.video-empty h2{font-size:17px;font-weight:500}.video-empty p{font-size:12px}.video-link{color:var(--accent);font-size:12px}
dialog{border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);padding:0;box-shadow:var(--shadow);max-width:calc(100% - 32px)}dialog::backdrop{background:#19241d45;backdrop-filter:blur(3px)}dialog[open]{animation:dialog-in .18s cubic-bezier(.2,.7,.2,1)}dialog.is-closing{animation:dialog-out .12s ease forwards}dialog header{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:22px}dialog h2{font-size:18px;font-weight:500}dialog footer{display:flex;justify-content:flex-end;align-items:center;gap:10px;margin-top:23px}.search-dialog{width:570px}.search-dialog-head{display:flex;align-items:center;gap:12px;padding:15px 18px;border-bottom:1px solid var(--line)}.search-dialog-head>.icon{color:var(--muted);width:19px;height:19px}.search-dialog input{border:0;outline:0;flex:1;min-width:0;font-size:14px;background:transparent;padding:8px 0}.search-dialog #search-results{max-height:420px;overflow:auto;padding:9px}.search-result{display:flex;align-items:center;gap:13px;text-align:left;width:100%;padding:12px 13px;border-radius:7px}.search-result:hover{background:var(--hover)}.search-result>.icon{color:var(--muted);width:18px;height:18px}.search-result strong{font-size:13px;font-weight:500;line-height:1.5;display:block}.search-result small{font-size:11px;color:var(--muted);margin-top:3px;display:block}.search-result .result-arrow{margin-left:auto;width:15px;height:15px;color:var(--faint)}.search-dialog footer{border-top:1px solid var(--line);margin:0;padding:11px 20px;justify-content:space-between;color:var(--faint);font-size:11px}.search-none{padding:30px 15px;color:var(--muted);font-size:13px;text-align:center}.add-dialog{width:450px;padding:24px}.drop-zone{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;border:1px dashed #c6d2c3;border-radius:8px;padding:29px 20px;background:var(--paper);cursor:pointer}.drop-zone>.icon{width:29px;height:29px;color:var(--accent)}.drop-zone strong{font-size:14px;font-weight:500}.drop-zone>span:not(.icon){font-size:11px;color:var(--muted)}.drop-zone input{width:100%;font-size:12px;margin-top:4px}.field-label{font-size:12px;color:var(--muted);display:grid;gap:8px;margin-top:20px}.field-label select{padding:9px;border:1px solid var(--line);border-radius:5px;background:var(--paper)}.selected-file{display:flex;gap:10px;align-items:center;padding:11px 0;border-bottom:1px solid var(--line);font-size:12px;overflow-wrap:anywhere}.selected-file .icon{width:17px;height:17px;color:var(--muted)}.appearance-dialog{width:340px;padding:22px}.appearance-sample{font:500 22px/1.8 "Songti SC",serif;text-align:center;background:var(--paper);padding:20px 10px;border-radius:6px;margin-bottom:22px}.range-label{display:grid;grid-template-columns:1fr auto;gap:12px;font-size:12px;margin:22px 0;color:var(--muted)}.range-label input{grid-column:1/-1;width:100%;accent-color:var(--accent)}.theme-options{display:flex;gap:12px;margin-top:23px}.theme-options button{display:flex;align-items:center;gap:7px;font-size:12px;padding:7px 9px;border-radius:5px;border:1px solid var(--line)}.theme-options button[aria-pressed=true]{border-color:var(--accent);background:var(--accent-soft)}.theme-swatch{width:14px;height:14px;display:block;border-radius:50%;border:1px solid #b9c2b7}.theme-swatch.light{background:#fafaf8}.theme-swatch.paper{background:#f4efdf}.theme-swatch.dark{background:#232824}.context-menu{position:fixed;width:180px;padding:5px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:8px;z-index:40;animation:dialog-in .13s ease}.context-menu button{display:flex;align-items:center;gap:9px;width:100%;padding:9px 10px;border-radius:5px;text-align:left;font-size:12px}.context-menu button:hover{background:var(--hover)}.context-menu .icon{width:16px;height:16px;color:var(--muted)}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);padding:11px 17px;background:#2b3930;color:#f5f8f2;border-radius:8px;box-shadow:0 4px 20px #18261f20;z-index:100;font-size:12px;max-width:90vw;animation:toast-in .18s ease}.view-enter{animation:view-in .22s cubic-bezier(.2,.7,.2,1)}.subview-enter{animation:view-in .16s ease}
body[data-theme=paper]{--paper:#f6f1e5;--surface:#fbf7ee;--rail:#eeeade;--line:#e3ddce;--hover:#eae7da;--accent-soft:#e2e7d7}body[data-theme=dark]{--paper:#212522;--surface:#272c28;--rail:#242925;--ink:#e1e5de;--muted:#acb4a9;--faint:#9aa493;--line:#373e35;--hover:#30372f;--accent:#91b49b;--accent-hover:#a3c3ac;--accent-soft:#344337;--cover-stage:#2c332b;--cover-stage-alt:#30372f;--cover-fallback:#394438;--cover-fallback-ink:#d5e0d2;--highlight-bg:#596b43;--highlight-ink:#f4f6ec;--selection-bg:#40553f;color-scheme:dark}body[data-theme=dark] .side-nav button.selected{background:#344033}body[data-theme=dark] .button.primary{color:#18261f}body[data-theme=dark] .brand img{filter:brightness(1.7)}
@keyframes view-in{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@keyframes dialog-in{from{opacity:0;transform:translateY(7px) scale(.985)}to{opacity:1;transform:none}}@keyframes dialog-out{to{opacity:0;transform:translateY(5px) scale(.99)}}@keyframes toast-in{from{opacity:0;translate:0 5px}to{opacity:1;translate:0 0}}
@media(min-width:1500px){.book-grid{grid-template-columns:repeat(6,minmax(140px,1fr))}.cover-stage{height:220px}.cover{height:190px;width:134px}.reading-paper{max-width:700px}}
@media(max-width:1100px){.app-shell{grid-template-columns:190px minmax(0,1fr)}.sidebar{padding-inline:12px}.main{padding-inline:28px}.location-bar{padding-inline:28px}.book-grid{gap:24px 21px;grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}.library-search{width:150px}.reader-layout{grid-template-columns:270px minmax(0,1fr)}.reader-layout.with-toc{grid-template-columns:270px 180px minmax(0,1fr)}.reader-layout.with-toc.no-notes{grid-template-columns:180px minmax(0,1fr)}.reader-main{padding-inline:23px}.reader-notes{padding-inline:16px}.reading-paper{padding-top:40px}.reading-paper h1{font-size:25px}.book-hero h1{font-size:27px}}
@media(max-width:800px){.app-shell{grid-template-columns:65px minmax(0,1fr)}.sidebar{padding:22px 9px}.brand{padding:0;justify-content:center;margin-bottom:25px}.side-nav button{justify-content:center;padding:10px 0}.side-nav+.side-nav{margin-top:20px}.side-footer :is(button,a){justify-content:center;padding:10px 0}.main{padding:28px 23px 50px}.location-bar{height:52px;padding:0 23px}.book-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:25px 19px}.library-search{display:none}.reading-entry{gap:16px}.reading-entry p.entry-summary{display:none}.reading-entry h2{font-size:19px}.page-title h1{font-size:25px}.book-hero{grid-template-columns:118px 1fr;gap:23px}.book-hero .cover{width:116px;height:164px}.book-hero h1{font-size:23px}.book-hero .description{display:none}.book-facts{margin-bottom:15px}.reader-layout,.reader-layout.with-toc,.reader-layout.no-notes,.reader-layout.with-toc.no-notes{display:block}.reader-notes{position:fixed;left:0;right:auto;top:58px;width:min(300px,calc(100vw - 45px));height:calc(100dvh - 58px);z-index:22;border-left:0;border-right:1px solid var(--line);box-shadow:10px 0 35px #0002}.reader-toc{position:fixed;left:0;right:auto;top:58px;width:min(260px,calc(100vw - 45px));height:calc(100dvh - 58px);z-index:24;box-shadow:10px 0 35px #0002}.reader-top{gap:10px;padding-inline:13px}.reader-book-name{max-width:180px;padding-left:10px}.reader-controls .button{font-size:0;width:34px;padding:0;border-color:transparent}.reader-controls .button .icon{width:18px;height:18px}.reader-main{padding-inline:22px}.reading-paper{max-width:620px}.list-heading,.list-row{grid-template-columns:minmax(0,1fr) 80px 68px}.list-heading>span:nth-child(2),.list-row>.muted{display:none}}
@media(max-width:500px){.main{padding:25px 18px 40px}.location-bar{padding-inline:18px}.page-title{gap:12px;margin-bottom:25px}.page-title h1{font-size:23px}.page-title .button{padding:7px 9px;font-size:12px}.page-title .button .icon{width:15px;height:15px}.page-title p{font-size:11px}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 15px}.cover-stage{height:170px}.cover{width:98px;height:140px}.reading-entry{grid-template-columns:auto 1fr;gap:15px}.reading-entry .button{grid-column:2;justify-self:start;min-height:31px;padding:5px 10px}.reading-entry .cover{grid-row:1/3}.tabs{gap:15px}.tabs button{font-size:12px}.tabs small{display:none}.library-tools{gap:5px}.library-tools .tools-right{gap:1px}.sort-select{display:none}.book-hero{grid-template-columns:83px minmax(0,1fr);gap:18px}.book-hero .cover{width:81px;height:116px}.book-hero h1{font-size:22px;line-height:1.55;margin-bottom:8px}.book-hero .book-domain{margin-bottom:7px}.book-hero .author{font-size:12px;margin-bottom:12px}.book-facts{gap:8px;flex-wrap:wrap;line-height:1.8}.hero-actions{grid-column:1/-1}.hero-actions .button{min-height:33px;font-size:12px}.chapter-row{padding:13px 2px;gap:8px}.chapter-open{gap:9px}.chapter-index{width:19px;font-size:10px}.chapter-title{font-size:13px}.chapter-row .chapter-state{font-size:10px}.reader-book-name{display:none}.reader-back{font-size:11px}.reader-top .reader-controls{gap:2px}.reader-top .vertical-line{margin-inline:2px}.reader-controls .icon-button{width:32px}.reader-main{padding-inline:20px}.reading-paper{padding-top:34px}.reading-paper h1{font-size:25px}.reader-prose{font-size:calc(var(--reader-size) - 1px)}.reader-notes{width:min(300px,calc(100vw - 45px))}.chapter-end{gap:7px;flex-wrap:wrap}.chapter-end .button{font-size:12px}.chapter-end .next-chapter{margin-left:0}.library-bottom span:last-child{display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.selection-action,.annotation-popover{position:fixed;z-index:60;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:9px;box-shadow:var(--shadow)}.selection-action{display:flex;align-items:center;gap:3px;padding:4px}.annotation-popover{width:min(300px,calc(100vw - 24px));padding:10px}.annotation-popover textarea{display:block;width:100%;min-height:76px;resize:vertical;padding:9px;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--ink);font-size:12px;line-height:1.6}.annotation-popover footer{display:flex;justify-content:flex-end;gap:5px;margin-top:7px}.annotation-popover header{margin:0 0 8px;font-size:12px}.annotation-popover header span{color:var(--muted)}.selection-action[data-tooltip]{position:relative}.selection-action[data-tooltip]:hover::after,.selection-action[data-tooltip]:focus-visible::after{content:attr(data-tooltip);position:absolute;left:50%;top:calc(100% + 7px);transform:translateX(-50%);white-space:nowrap;padding:5px 7px;border-radius:5px;background:var(--ink);color:var(--paper);font-size:10px;pointer-events:none}.video-player{margin:0 0 25px;background:var(--surface);border:1px solid var(--line);border-radius:9px;overflow:hidden}.video-stage{aspect-ratio:16/9;background:#101412;display:grid;place-items:center;color:#fff}.video-stage video{display:block;width:100%;height:100%;object-fit:contain}.video-transcript{max-height:260px;overflow:auto;padding:12px 16px;border-top:1px solid var(--line);font-size:12px;line-height:1.8;color:var(--muted)}

.video-access{text-align:center;padding:25px;display:grid;justify-items:center;gap:18px;font-size:13px}.video-transcript{max-height:none;padding:0;border:0;color:var(--ink)}.video-transcript>h2{font-size:14px;font-weight:500;color:var(--muted);margin:26px 0 18px}.field-label input{padding:10px;border:1px solid var(--line);border-radius:5px;background:var(--paper)}#login-feedback{font-size:12px;color:var(--muted);margin-top:12px}

.reader-notes .tabs{position:sticky;top:0;z-index:2;display:flex;gap:0;margin:0 -16px;padding:0 16px;background:var(--surface)}.reader-notes .tabs button{flex:1;min-width:0;text-align:center;overflow:hidden;text-overflow:ellipsis}.linear-note,.transcript-segment{border-left:3px solid transparent;padding:13px 10px}.linear-note.is-current,.transcript-segment.is-current{border-left-color:var(--accent);background:var(--accent-soft)}.linear-note.is-current h3,.transcript-segment.is-current .transcript-time{color:var(--accent);font-weight:600}.transcript-segment{border-bottom:1px solid var(--line);font-size:14px;line-height:1.9}.transcript-segment .transcript-time{display:block;padding:0;color:var(--accent);font-size:11px;font-variant-numeric:tabular-nums}.transcript-segment p{font-size:14px;line-height:1.9;overflow-wrap:anywhere}.selection-action[data-tooltip]{position:fixed}.reader-layout.video-layout{grid-template-columns:380px minmax(0,1fr)}.reader-layout.video-layout.no-notes{grid-template-columns:minmax(0,1fr)}.reader-layout.video-layout.with-toc{grid-template-columns:380px 220px minmax(0,1fr)}.reader-layout.video-layout.with-toc.no-notes{grid-template-columns:220px minmax(0,1fr)}.video-layout .reader-main>.video-transcript{display:none}.video-layout .video-player{width:min(100%,960px);margin-inline:auto}.video-layout #notes-content{padding-bottom:calc((100dvh - 110px)/2)}
@media(max-width:1100px){.reader-layout.video-layout{grid-template-columns:320px minmax(0,1fr)}.reader-layout.video-layout.no-notes{grid-template-columns:minmax(0,1fr)}.reader-layout.video-layout.with-toc{grid-template-columns:320px 180px minmax(0,1fr)}.reader-layout.video-layout.with-toc.no-notes{grid-template-columns:180px minmax(0,1fr)}}

/* Video courses use landscape frames while books keep their portrait covers. */
.video-cover{position:relative;display:block;width:100%;height:auto;aspect-ratio:16/9;overflow:hidden;border-radius:4px;background:#1d2624;box-shadow:none}
.video-cover>img{display:block;width:100%;height:100%;object-fit:contain;transition:transform .18s}
.video-play{position:absolute;left:12px;bottom:12px;width:31px;height:31px;border-radius:50%;display:grid;place-items:center;background:#18201edb;color:#fff}
.video-play .icon{width:14px;height:14px}
.book-open:hover .video-cover>img{transform:scale(1.012)}
.book-grid.video-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),360px));max-width:1120px;gap:28px 24px}
.video-grid .cover-stage{height:auto;aspect-ratio:16/9;margin-bottom:12px;background:#1d2624}
.video-grid .video-cover{width:100%;height:100%;aspect-ratio:auto}
.book-grid:not(.video-grid) .video-item{grid-column:span 2}
.book-grid:not(.video-grid) .video-item{display:grid;grid-template-columns:minmax(150px,1fr) minmax(130px,.9fr);align-items:center;gap:16px;height:100%}
.book-grid:not(.video-grid) .video-item .cover-stage{height:auto;aspect-ratio:16/9;margin:0;background:#1d2624}
.book-grid:not(.video-grid) .video-item .video-cover{width:100%;height:100%;aspect-ratio:auto}
.book-grid:not(.video-grid) .video-item .book-caption{padding:10px 0;align-self:center}
.list-row .video-cover{width:82px;height:auto;aspect-ratio:16/9;flex-shrink:0}
.list-row .video-play{left:5px;bottom:5px;width:18px;height:18px}
.list-row .video-play .icon{width:9px;height:9px}
.book-hero.video-hero{grid-template-columns:minmax(280px,320px) minmax(0,1fr);gap:32px;align-items:start}
.book-hero.video-hero .video-cover{width:100%;height:auto;aspect-ratio:16/9;box-shadow:0 5px 16px #25312720}
.book-hero.video-hero .book-hero-body{padding-top:2px}
.reading-entry.video-entry{grid-template-columns:140px minmax(0,1fr) auto;align-items:center}
.reading-entry.video-entry .video-cover{width:140px;height:auto;aspect-ratio:16/9}
@media(max-width:800px){.book-grid.video-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,280px),1fr))}.book-hero.video-hero{grid-template-columns:minmax(280px,320px) minmax(0,1fr);gap:22px}.book-hero.video-hero .video-cover{width:100%;height:auto}.reading-entry.video-entry{grid-template-columns:140px minmax(0,1fr) auto}}
@media(max-width:500px){.book-grid.video-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 15px}.video-grid .book-item,.book-grid:not(.video-grid) .video-item{grid-column:span 2}.video-grid .cover-stage{margin-bottom:10px}.book-grid:not(.video-grid) .video-item{grid-template-columns:minmax(0,1fr);gap:10px}.book-grid:not(.video-grid) .video-item .book-caption{padding:0 2px}.book-hero.video-hero{grid-template-columns:minmax(0,1fr);gap:16px}.book-hero.video-hero .video-cover{width:100%;max-width:100%}.book-hero.video-hero h1{font-size:22px}.book-hero.video-hero .description{display:-webkit-box}.reading-entry.video-entry{grid-template-columns:140px minmax(0,1fr);gap:12px}.reading-entry.video-entry .video-cover{grid-row:1/3;width:140px}.reading-entry.video-entry .button{grid-column:2}}

/* Collapsible navigation */
.app-shell{grid-template-columns:220px minmax(0,1fr);transition:grid-template-columns .3s cubic-bezier(.22,.75,.25,1)}
.app-shell.sidebar-collapsed{grid-template-columns:68px minmax(0,1fr)}
.sidebar{z-index:25;overflow:visible;transition:width .3s cubic-bezier(.22,.75,.25,1),padding .3s cubic-bezier(.22,.75,.25,1)}
.brand-row{height:32px;position:relative;display:flex;align-items:center;gap:6px;margin:0 0 25px;overflow:hidden;transition:margin .3s cubic-bezier(.22,.75,.25,1)}
.brand-row .brand{position:relative;display:flex;flex:0 0 30px;align-items:center;justify-content:flex-start;gap:0;width:30px;min-width:30px;margin:0;padding:0}
.brand-row .brand img{width:30px;height:30px;transition:width .3s,height .3s}
.brand-row .brand>span{position:absolute;left:36px;top:50%;width:125px;white-space:nowrap;opacity:1;transform:translateY(-50%);visibility:visible;transition:opacity .22s ease,transform .22s ease,visibility 0s}
.sidebar-toggle{width:30px;height:30px;display:grid;place-items:center;flex:0 0 30px;margin-left:auto;border-radius:6px;color:var(--muted);transition:width .3s,height .3s,flex-basis .3s,background .14s,color .14s}
.sidebar-toggle:hover{background:var(--hover);color:var(--ink)}.sidebar-toggle .icon{width:16px;height:16px}
.side-search{height:38px;min-height:38px;max-height:38px;display:flex;align-items:center;justify-content:flex-start;gap:9px;padding:8px 11px;overflow:hidden;transition:padding .3s cubic-bezier(.22,.75,.25,1),background .14s,border-color .3s}
.side-search .icon,.side-nav button>.icon,.side-footer :is(button,a)>.icon{position:relative;z-index:1}
.side-search>span,.side-search kbd,.side-nav button>span,.side-footer :is(button,a)>span{opacity:1;transform:translateX(0);visibility:visible;transition:opacity .22s ease,transform .22s ease,visibility 0s}
.side-nav button{height:38px;min-height:38px;max-height:38px;justify-content:flex-start;gap:10px;padding:8px 11px;overflow:hidden;transition:padding .3s cubic-bezier(.22,.75,.25,1),background .14s,color .14s}
.side-nav button>.icon{flex:0 0 17px}.side-nav button>span:not(.count){white-space:nowrap}
.side-footer :is(button,a){height:36px;min-height:36px;max-height:36px;justify-content:flex-start;gap:10px;padding:8px 11px;overflow:hidden;transition:padding .3s cubic-bezier(.22,.75,.25,1),background .14s,color .14s}
.side-footer .icon{flex:0 0 17px}.side-section-label{max-height:30px;margin:31px 11px 10px;overflow:hidden;opacity:1;visibility:visible;transition:max-height .3s,margin .3s,opacity .22s,visibility 0s}
.workspace-label{max-height:50px;overflow:hidden;opacity:1;visibility:visible;transition:max-height .3s,margin .3s,padding .3s,opacity .22s,visibility 0s}
.sidebar-collapsed .sidebar{padding:18px 6px}.sidebar-collapsed .brand-row{margin-bottom:25px}.sidebar-collapsed .brand-row .brand{flex-basis:24px;width:24px;min-width:24px}.sidebar-collapsed .brand-row .brand img{width:24px;height:24px}.sidebar-collapsed .brand-row .brand>span{opacity:0;transform:translateY(-50%) translateX(-4px);visibility:hidden;transition:opacity .18s ease,transform .18s ease,visibility 0s linear .3s}.sidebar-collapsed .sidebar-toggle{width:24px;height:24px;flex-basis:24px}.sidebar-collapsed .side-search{justify-content:flex-start;padding-inline:19px;border-color:transparent}.sidebar-collapsed .side-search>span,.sidebar-collapsed .side-search kbd,.sidebar-collapsed .side-nav button>span,.sidebar-collapsed .side-footer :is(button,a)>span{opacity:0;transform:translateX(-5px);visibility:hidden;transition:opacity .18s ease,transform .18s ease,visibility 0s linear .3s}.sidebar-collapsed .side-search kbd{display:none}.sidebar-collapsed .side-nav button,.sidebar-collapsed .side-footer :is(button,a){justify-content:flex-start;padding-left:19px;padding-right:0}.sidebar-collapsed .side-nav .count{display:none}.sidebar-collapsed .side-section-label{max-height:0;margin:0 11px;opacity:0;visibility:hidden;transition:max-height .3s,margin .3s,opacity .22s,visibility 0s linear .3s}.sidebar-collapsed .workspace-label{max-height:0;margin:0;padding-top:0;opacity:0;visibility:hidden;transition:max-height .3s,margin .3s,padding .3s,opacity .22s,visibility 0s linear .3s}
.sidebar-collapsed [data-tooltip]{position:relative}.sidebar-collapsed [data-tooltip]:hover::after,.sidebar-collapsed [data-tooltip]:focus-visible::after{content:attr(data-tooltip);position:fixed;left:76px;z-index:80;white-space:nowrap;padding:6px 9px;border-radius:5px;background:var(--ink);color:var(--paper);font-size:11px;font-weight:400;line-height:1.3;box-shadow:0 3px 12px #0002;pointer-events:none}
:is(.side-nav button,.side-search,.side-footer :is(button,a)) .icon{transform-origin:50% 50%;transform:none;transition:transform 320ms cubic-bezier(.25,.1,.25,1)}
.side-nav [data-view=library],.side-footer [data-action=appearance]{--lo-nav-icon-transform:rotate(-9deg) translateY(-1px);--lo-nav-icon-duration:400ms}
.side-nav [data-view=recent]{--lo-nav-icon-transform:rotate(22deg);--lo-nav-icon-duration:420ms}
.side-nav [data-view=bookmarks]{--lo-nav-icon-transform:translateY(-4px) rotate(-5deg);--lo-nav-icon-duration:370ms}
.side-nav [data-folder]{--lo-nav-icon-transform:translateY(-2px) rotate(-8deg);--lo-nav-icon-duration:380ms}
.side-search{--lo-nav-icon-transform:translate(2px,-2px) rotate(-8deg);--lo-nav-icon-duration:360ms}
.side-footer [data-action=settings]{--lo-nav-icon-transform:rotate(35deg);--lo-nav-icon-duration:480ms}
.side-footer [data-action=theme]{--lo-nav-icon-transform:rotate(18deg);--lo-nav-icon-duration:440ms}
:is(.side-nav button,.side-search,.side-footer :is(button,a)):focus-visible .icon{transform:var(--lo-nav-icon-transform,translateY(-2px));transition-duration:var(--lo-nav-icon-duration,400ms)}
@media(hover:hover){:is(.side-nav button,.side-search,.side-footer :is(button,a)):hover .icon{transform:var(--lo-nav-icon-transform,translateY(-2px));transition-duration:var(--lo-nav-icon-duration,400ms)}}
@media(max-width:800px){.app-shell,.app-shell.sidebar-collapsed{grid-template-columns:65px minmax(0,1fr)}.app-shell>.content-shell{grid-column:2}.app-shell .sidebar{position:fixed;left:0;top:0;bottom:0;width:220px;height:100dvh;padding:22px 12px;box-shadow:8px 0 28px #0002}.app-shell.sidebar-collapsed .sidebar{width:65px;padding:22px 6px;box-shadow:none}.app-shell .brand-row{margin-bottom:25px}.app-shell .side-search{display:flex}}
@media(prefers-reduced-motion:reduce){.app-shell,.sidebar,.brand-row,.brand-row .brand img,.brand-row .brand>span,.sidebar-toggle,.side-search,.side-nav button,.side-footer :is(button,a),.side-search>span,.side-search kbd,.side-nav button>span,.side-footer :is(button,a)>span,.side-section-label,.workspace-label{transition:none!important}:is(.side-nav button,.side-search,.side-footer :is(button,a)) .icon{transition:none!important;transform:none!important}}
.side-section-label{display:flex;align-items:center;justify-content:space-between}.side-section-label .icon-button{width:24px;height:24px}.side-section-label .icon{width:15px;height:15px}.context-menu a{display:flex;align-items:center;gap:8px;padding:9px 12px;font-size:13px}.context-menu a:hover{background:var(--hover)}.selected-file{gap:8px}.selected-file small{margin-left:auto;color:var(--muted)}#manage-form{display:grid;gap:14px}#manage-form>input,#manage-form>select{width:100%;padding:10px;border:1px solid var(--line);border-radius:6px;background:var(--paper)}.note-body{line-height:1.85}.note-body p{margin-bottom:9px}.note-body ul,.note-body ol{padding-left:22px}.note-body table{border-collapse:collapse;width:100%;font-size:12px}.note-body td,.note-body th{padding:7px;border:1px solid var(--line)}.note-body h4{margin:14px 0 6px;font-size:13px}.live-book{--lo-reader-font-size:var(--reader-size);--lo-reader-line-height:var(--reader-line)}

.sidebar{overflow-y:auto}.brand-row{height:38px;flex-shrink:0}.side-section-label{margin-top:22px;flex-shrink:0}.side-nav[aria-label="知识领域"] button{min-height:34px;padding-top:6px;padding-bottom:6px}.side-search,.side-nav,.side-footer{flex-shrink:0}

.side-section-label>button:first-child{font-size:inherit;color:inherit;padding:0;text-align:left}.capture-image{display:block;padding:0;margin:0 0 12px;width:100%;border-radius:6px;overflow:hidden}.capture-image img{display:block;width:100%;height:auto}

html{scrollbar-gutter:stable}
html:has(dialog[open]),body:has(dialog[open]){overflow:hidden}
dialog,dialog *{overscroll-behavior:contain}

.book-item .book-download{position:absolute;right:39px;top:6px;width:27px;height:27px;background:var(--surface);box-shadow:0 2px 6px #0000000a}.source-actions{display:flex;justify-content:flex-end;align-items:center}.hero-actions{flex-wrap:wrap}@media(hover:none){.book-item .book-more{opacity:1}}

/* Keep the native picker while giving every closed select the same arrow inset. */
select:not([multiple]):not([size]),select:not([multiple])[size="1"]{
  appearance:none;-webkit-appearance:none;padding-inline-end:36px!important;
  background-image:linear-gradient(45deg,transparent 40%,currentColor 40%,currentColor 60%,transparent 60%),linear-gradient(-45deg,transparent 40%,currentColor 40%,currentColor 60%,transparent 60%)!important;
  background-position:right 18px center,right 12px center!important;
  background-size:6px 6px!important;background-repeat:no-repeat!important;
}
.live-settings .ls-profile-title{gap:12px;padding-inline-end:12px}
.live-settings .ls-agent-documents>summary{position:relative;list-style:none;padding-inline:12px 36px}
.live-settings .ls-agent-documents>summary::-webkit-details-marker{display:none}
.live-settings .ls-agent-documents>summary::after{content:"";position:absolute;right:14px;top:50%;width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-50%) rotate(-45deg);pointer-events:none}
.live-settings .ls-agent-documents[open]>summary::after{transform:translateY(-70%) rotate(45deg)}
@media(forced-colors:active){select:not([multiple]):not([size]),select:not([multiple])[size="1"]{appearance:auto;-webkit-appearance:auto;background-image:none!important}}