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var(--line)}.brand-lockup{display:flex;align-items:center;gap:0;font-size:22px;font-weight:650;letter-spacing:-.9px;flex-shrink:0}.brand-wordmark{display:block;width:auto;height:1em;flex:0 0 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.current-book-title{display:flex;align-items:center;width:100%;max-width:none;color:#fff;font-size:13px;font-weight:650}.sidebar-book-cover .book-navigation .current-book-title:is(:hover,:focus-visible,[aria-expanded=true]){background:#ffffff12;color:#fff}.sidebar-book-cover .current-book-title .book-switch-chevron{color:#fff;margin-left:auto}.sidebar-book-cover .book-name-editor{color:#fff;min-width:0;flex:1}.sidebar-book-cover .book-title-input{color:#fff}.sidebar-book-cover .icon-picker{color:var(--ink);top:36px;left:-10px}.book-cover-tools{position:absolute;z-index:2;top:8px;right:8px;display:flex;gap:3px}.book-cover-tools button{display:flex;align-items:center;gap:4px;min-height:25px;padding:4px 6px;color:#fff;border-radius:5px;background:#14182070;font-size:10px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.book-cover-tools button:hover{background:#141820b0}.book-cover-error{color:var(--danger);font-size:11px;margin:6px}.sidebar-footer .sidebar-create.primary-button{color:var(--primary-text);background:var(--brand);justify-content:center;margin:0 0 9px}.header-book-label{display:flex;align-items:center;gap:7px;min-width:0;font-size:12px}.header-book-label>span:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:300px}.header-search{position:relative;flex-shrink:1;min-width:0}.header-search-field{display:flex;align-items:center;gap:7px;width:240px;height:31px;border:1px solid var(--line);border-radius:7px;background:var(--surface);padding:0 7px;color:var(--muted)}.header-search-field input{flex:1;width:0;min-width:0;border:0;padding:0;background:transparent;outline:none;box-shadow:none;color:var(--ink);font:12px var(--font-ui)}.header-search-field>button{display:grid;place-items:center;width:22px;height:24px;padding:0;border-radius:4px}.header-search-popover{position:absolute;top:calc(100% + 8px);left:0;width:min(380px,calc(100vw - 24px));background:var(--surface);border:1px solid 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small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.search-snippet{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--muted);font-size:11px;line-height:1.4;margin-top:5px}.header-search-results p{padding:10px;color:var(--muted);font-size:12px;line-height:1.5;margin:0}@media(max-width:700px){.header-book-label>span:last-child{max-width:110px}.topbar:has(.header-search.is-open) .header-book-label{display:none}.header-search-field{width:min(240px,calc(100vw - 150px))}.header-search-popover{position:fixed;top:47px;left:8px;right:8px;width:auto}.topbar:has(.header-search.is-open) .save-status{display:none}}.sidebar-book-cover:not(.has-image){background:var(--library-cover-background);color:var(--library-cover-ink);box-shadow:inset 0 0 0 1px var(--library-cover-border)}.sidebar-book-cover:not(.has-image):after{background:var(--library-cover-veil)}.sidebar-book-cover:not(.has-image) .current-book-title,.sidebar-book-cover:not(.has-image) .current-book-title .book-switch-chevron,.sidebar-book-cover:not(.has-image) .book-name-editor,.sidebar-book-cover:not(.has-image) .book-title-input{color:var(--library-cover-ink)}.sidebar-book-cover:not(.has-image) .book-cover-tools button{background:var(--library-cover-control);color:var(--library-cover-ink)}.sidebar-book-cover:not(.has-image) .book-cover-tools button:hover{background:var(--library-cover-control-hover)}.sidebar-book-cover:not(.has-image) .sidebar-book-orbit:before{border-color:var(--library-cover-ring)}.sidebar-book-cover:not(.has-image) .sidebar-book-orbit:after{background:var(--library-cover-orbit)}.sidebar-book-cover:not(.has-image) .sidebar-book-orbit:after{box-shadow:0 0 22px var(--library-cover-orbit-glow)}.node.central-book{padding:0;min-height:0;background:none;border:0;box-shadow:none;overflow:visible;color:var(--ink);border-radius:14px;isolation:isolate}.node.central-book:is(:hover,.selected){background:none;box-shadow:none}.book-perspective{position:absolute;inset:0;perspective:950px}.book-object{position:absolute;inset:0;transform-style:preserve-3d;transform-origin:right center;transform:rotateX(var(--book-rx,0deg)) rotateY(var(--book-ry,0deg));transition:transform .18s var(--ease)}.book-back-cover{position:absolute;inset:5px -2px 3px 8px;border-radius:4px 10px 10px 4px;background:color-mix(in srgb,var(--book-cover-color,#292a30) 78%,#000);box-shadow:inset 0 0 0 1px #ffffff18,0 12px 24px #00000025;transform:translateZ(-8px)}.book-cover{position:absolute;inset:0;display:flex;flex-direction:column;align-items:flex-start;padding:23px 24px 20px 30px;border-radius:6px 13px 13px 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15px);left:50%;transform:translate(-50%)}.book-port-bottom{top:calc(100% + 19px);left:50%;transform:translate(-50%)}.book-side-summary{display:flex;align-items:center;gap:7px}.book-port-left .book-side-summary{flex-direction:row-reverse}.book-category-count{display:grid;place-items:center;flex:none;min-width:25px;height:25px;padding:0 5px;border:1px solid var(--line);border-radius:50%;background:var(--canvas);color:var(--muted);font-size:10px;font-variant-numeric:tabular-nums;transition:color .13s,border-color .13s}.book-category-count:hover,.book-category-count:focus-visible{color:var(--ink);border-color:var(--muted)}.book-category-title{max-width:112px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;background:transparent;color:var(--muted);padding:3px 0;text-align:start;font-size:11px}.book-category-title:hover{color:var(--ink);background:transparent}.book-port-tools{position:absolute;display:flex;gap:3px;top:100%;left:0;padding:3px 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var(--caption-space,0px) + 44px);transform:translate(-50%)}.node-add-beside{left:calc(100% + 8px);top:50%;transform:translateY(-50%)}.node.branch-top .fold-button{left:50%;right:auto;top:-25px;transform:translate(-50%,-50%)}.node.branch-bottom .fold-button{left:50%;right:auto;top:calc(100% + var(--caption-space,0px) + 25px);transform:translate(-50%,-50%)}@media(prefers-reduced-motion:reduce){.book-object,.book-cover,.book-inner-light,.book-inner-branches path,.book-category-count,.book-port-tools{transition:none}.book-object{transform:none}}@media(hover:none){.book-port-tools{opacity:1;pointer-events:auto}}@property --book-float-y{syntax:"<length>"; inherits:true; initial-value:0px;}.central-book{animation:book-hover-float 5s ease-in-out infinite}.book-float{position:absolute;inset:0;transform-style:preserve-3d;transform:translateY(var(--book-float-y))}@keyframes 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.library-card-title{font-size:18px}.library-sheet .library-card-meta{gap:8px}.library-footer{flex:0 0 auto;padding:8px 18px 12px;background:var(--sidebar)}.library-footer .library-header-actions{display:flex;justify-content:flex-end;align-items:center;gap:8px;max-width:none;animation:none;margin:0;margin-inline-start:auto;flex-shrink:0}.library-footer .library-header-search.is-open{width:min(280px,calc(100vw - 90px))}.library-footer .sidebar-theme-switch{width:220px;max-width:100%;margin:0;view-transition-name:workspace-appearance}.library-footer .sidebar-theme-switch>button{height:30px;font-size:11px}.library-footer-row{position:relative;display:flex;align-items:center;gap:12px;margin-top:8px;padding-top:9px;border-top:1px solid var(--line)}.library-footer .library-user{display:flex;align-items:center;gap:8px;margin:0;padding:0 4px;animation:none;transition:opacity .16s var(--ease)}.library-footer .library-user>svg{flex-shrink:0}.library-footer .library-user>div>span:first-child{font-size:11px}.library-footer .library-user .save-status{display:flex;font-size:10px}.sidebar-open .workspace-sidebar .sidebar-theme-switch{view-transition-name:workspace-appearance}.app-shell.has-library .brand-transition,.app-shell.has-library .workspace-sidebar,.app-shell.has-library .book-perspective,.app-shell.has-library .sidebar-theme-switch,.app-shell.has-library .local-workspace{view-transition-name:none}.app-shell.has-library .central-book{animation-play-state:paused}.app-shell.is-shelving-book .book-cover{transition-duration:.22s}.app-shell.is-shelving-book .central-book{animation-play-state:paused}.app-shell.has-library :is(.book-world,.canvas-caption,.canvas-tools,.bottom-left,.bottom-right){visibility:hidden;pointer-events:none}.library-layer.is-standalone{--library-width:100vw}.library-layer.is-standalone .library-sheet{border:0;box-shadow:none}.library-layer.native-arrival .library-sheet,.library-layer.native-arrival .library-logout{animation:none}@keyframes library-rail-expand{0%{width:var(--library-origin-width)}to{width:var(--library-width)}}@keyframes library-rail-contract{0%{width:var(--library-width)}to{width:var(--library-origin-width);opacity:0}}@keyframes library-logout-enter{0%{opacity:0;transform:translate(-24px)}to{opacity:1;transform:none}}@keyframes library-backdrop-in{0%{opacity:0}to{opacity:1}}@keyframes library-backdrop-out{0%{opacity:1}to{opacity:0}}::view-transition-group(workspace-sidebar),::view-transition-group(workspace-appearance),::view-transition-group(workspace-user){animation-duration:var(--motion-footer-handoff);animation-timing-function:cubic-bezier(.22,1,.36,1)}::view-transition-image-pair(workspace-sidebar){overflow:clip}::view-transition-old(workspace-sidebar),::view-transition-new(workspace-sidebar){height:100%;object-fit:none;object-position:left top;animation:library-view-out .18s ease both}::view-transition-new(workspace-sidebar){animation:library-backdrop-in .18s ease both}::view-transition-new(workspace-sidebar):only-child{animation:library-rail-reveal .48s var(--ease) both}::view-transition-new(library-shelf){animation:library-view-in .42s 40ms var(--ease) both}::view-transition-old(library-shelf){animation:library-view-out .16s ease both}::view-transition-new(library-logout){animation:library-logout-enter .42s var(--ease) both}::view-transition-old(library-logout){animation:library-view-out .16s ease both}::view-transition-old(root){animation:library-view-out .18s ease both}::view-transition-new(root){animation:library-backdrop-in .18s ease both}@keyframes library-rail-reveal{0%{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0)}}@media(max-width:899px){.library-layer{--library-width:100vw}.library-sheet{border:0;box-shadow:none}.library-backdrop{display:none}}@media(max-width:600px){.library-sheet .library-content{padding:12px 12px 18px}.library-footer{padding:8px 12px 10px}.library-sheet .library-heading h1{font-size:21px}.library-sheet .library-heading p{max-width:180px}.library-sheet .library-heading{gap:6px}.library-sheet .library-card-open{padding-inline-start:100px;padding-inline-end:26px}.library-sheet .library-book{left:12px;width:72px;height:124px;bottom:18px}.library-sheet .library-card-title{font-size:16px}.library-sheet .library-card-meta{gap:6px;font-size:9px}}@media(prefers-reduced-motion:reduce){.library-sheet,.library-backdrop,.library-logout,.library-layer.is-closing .library-sheet,.library-layer.is-closing .library-backdrop{animation:none!important}::view-transition-group(*),::view-transition-image-pair(*),::view-transition-old(*),::view-transition-new(*){animation:none!important}}::view-transition-group(canvas-book-cover){z-index:1;animation:none}::view-transition-group(workspace-sidebar){z-index:2}::view-transition-group(library-shelf){z-index:3}::view-transition-group(library-book-cover){z-index:4;animation:none}::view-transition-group(workspace-brand),::view-transition-group(workspace-appearance),::view-transition-group(workspace-user),::view-transition-group(library-logout){z-index:5}::view-transition-old(workspace-appearance),::view-transition-new(workspace-appearance),::view-transition-old(workspace-user),::view-transition-new(workspace-user){height:100%;object-fit:none;object-position:left bottom}html[data-book-navigation=canvas]::view-transition-group(workspace-sidebar),html[data-book-navigation=canvas]::view-transition-group(workspace-brand),html[data-book-navigation=canvas]::view-transition-group(workspace-appearance),html[data-book-navigation=canvas]::view-transition-group(workspace-user){animation-delay:var(--motion-book-slide)}html[data-book-navigation=canvas]::view-transition-old(workspace-sidebar){animation:library-view-out .48s var(--motion-book-slide) ease both}html[data-book-navigation=canvas]::view-transition-new(workspace-sidebar){animation:library-backdrop-in .18s var(--motion-book-slide) ease both}::view-transition-old(canvas-book-cover){animation:canvas-cover-away var(--motion-book-slide) var(--ease) both}::view-transition-new(canvas-book-cover){animation:canvas-cover-home var(--motion-book-slide) var(--motion-book-slide) var(--ease) both,canvas-cover-settle var(--motion-book-settle) calc(var(--motion-book-slide) * 2) ease-out forwards}::view-transition-old(library-book-cover){animation:shelf-cover-away var(--motion-book-slide) var(--ease) both}::view-transition-new(library-book-cover){animation:shelf-cover-home var(--motion-book-slide) var(--motion-book-slide) var(--ease) both,shelf-cover-settle var(--motion-book-settle) calc(var(--motion-book-slide) * 2) ease-out forwards}html[data-book-navigation=library]{--motion-book-slide:var(--motion-book-library-slide)}@keyframes canvas-cover-away{0%{filter:blur(0)}35%{filter:blur(var(--book-motion-blur))}to{transform:translate(var(--canvas-cover-travel));filter:blur(var(--book-motion-blur))}}@keyframes canvas-cover-home{0%{transform:translate(var(--canvas-cover-travel));opacity:0;filter:blur(var(--book-motion-blur))}8%{opacity:1}65%{filter:blur(.4px)}to{transform:translate(6px,-2px);opacity:1;filter:blur(0)}}@keyframes shelf-cover-away{0%{filter:blur(0)}35%{filter:blur(var(--book-motion-blur))}to{transform:translate(var(--shelf-cover-travel));opacity:0;filter:blur(var(--book-motion-blur))}}@keyframes shelf-cover-home{0%{transform:translate(var(--shelf-cover-travel));opacity:0;filter:blur(var(--book-motion-blur))}8%{opacity:1}65%{filter:blur(.4px)}to{transform:translate(-4px,-1px);opacity:1;filter:blur(0)}}@keyframes canvas-cover-settle{0%{transform:translate(6px,-2px)}55%{transform:translate(-2px)}to{transform:none}}@keyframes shelf-cover-settle{0%{transform:translate(-4px,-1px)}55%{transform:translate(1px)}to{transform:none}}@media(prefers-reduced-motion:reduce){::view-transition-old(canvas-book-cover),::view-transition-new(canvas-book-cover),::view-transition-old(library-book-cover),::view-transition-new(library-book-cover){animation:none!important}}.header-back{view-transition-name:workspace-library-button}.sidebar-toggle-motion,.library-dismiss{view-transition-name:workspace-panel-toggle}.app-shell.has-library .header-back,.app-shell.has-library .sidebar-toggle-motion{visibility:hidden;view-transition-name:none}::view-transition-group(workspace-library-button){z-index:6;animation:none}::view-transition-group(workspace-panel-toggle){z-index:6;animation-duration:var(--motion-footer-handoff);animation-timing-function:cubic-bezier(.22,1,.36,1)}::view-transition-old(workspace-panel-toggle),::view-transition-new(workspace-panel-toggle){height:100%;object-fit:none;object-position:center;animation-duration:var(--motion-book-slide)}html[data-book-navigation=canvas]::view-transition-group(workspace-panel-toggle){animation-delay:var(--motion-book-slide)}::view-transition-old(workspace-library-button),::view-transition-old(library-logout){animation:library-control-away var(--motion-book-slide) var(--ease) both}::view-transition-new(workspace-library-button),::view-transition-new(library-logout){animation:library-logout-enter var(--motion-book-slide) var(--motion-book-slide) var(--ease) both}@keyframes library-control-away{to{opacity:0;transform:translate(-36px)}}@media(prefers-reduced-motion:reduce){::view-transition-group(workspace-panel-toggle),::view-transition-old(workspace-panel-toggle),::view-transition-new(workspace-panel-toggle),::view-transition-old(workspace-library-button),::view-transition-new(workspace-library-button),::view-transition-old(library-logout),::view-transition-new(library-logout){animation:none!important}}.book-cover-top .book-icon{font-size:17px;letter-spacing:0}.book-cover-top .book-icon img{width:17px;height:17px;object-fit:contain}.book-page-icon-window{z-index:0;clip-path:inset(0 round 6px 13px 13px 6px)}.book-cover-top,.book-open-page{position:relative;z-index:1}@media(max-width:540px){.library-footer-row.is-searching .library-user{opacity:0;pointer-events:none}.library-footer-row.is-searching .library-header-actions{position:absolute;inset-inline:0;bottom:0;width:100%;margin-inline-start:0}.library-footer-row.is-searching .library-header-search.is-open{flex:1;width:auto;min-width:0}}@media(prefers-reduced-motion:reduce){.library-footer .library-user{transition:none}}.central-book .book-page-icon-window .page-indicator{inset:auto -4px 8px auto;transform:rotate(-16deg)}.central-book:is(:hover,:focus-within) .book-page-icon-window .page-indicator{transform:rotate(-7deg) scale(1.04)}@media(prefers-reduced-motion:reduce){.central-book:is(:hover,:focus-within) .book-page-icon-window .page-indicator{transform:rotate(-16deg)}}.book-cover .book-open-page{align-self:flex-end}.book-rotation{position:absolute;left:50%;top:50%;width:208px;height:288px;transform:translate(-50%,-50%) rotate(var(--book-angle,0deg));transform-style:preserve-3d;transition:transform var(--book-turn-duration,.52s) var(--ease)}.central-book .book-cover{padding:0}.book-cover-content{position:absolute;left:50%;top:50%;width:var(--book-content-width,208px);height:var(--book-content-height,288px);display:flex;flex-direction:column;align-items:flex-start;padding:23px 24px 20px 30px;transform:translate(-50%,-50%) rotate(var(--book-counter-angle,0deg));transition:transform var(--book-turn-duration,.52s) var(--ease),width var(--book-turn-duration,.52s) var(--ease),height var(--book-turn-duration,.52s) var(--ease)}.central-book[data-turning]{transition:width var(--book-turn-duration,.52s) var(--ease),height var(--book-turn-duration,.52s) var(--ease),transform var(--book-turn-duration,.52s) var(--ease)}.central-book[data-turning] .book-port{pointer-events:none;opacity:0}.book-direction-dial{flex:none;width:30px;height:30px;color:var(--muted);border-radius:5px;cursor:pointer;-webkit-user-select:none;user-select:none;transition:color .13s,background .13s}.book-direction-dial:is(:hover,:focus-visible){color:var(--ink);background:var(--surface-soft)}.book-direction-dial[aria-expanded=true]{color:var(--ink);background:var(--surface-soft)}.book-direction-dial:focus-visible{outline:1px solid var(--accent);outline-offset:2px}.book-direction-dial svg{width:30px;height:30px;fill:none;stroke:currentColor;stroke-width:1.4}.book-direction-dial svg>circle,.book-direction-dial .dial-ticks{opacity:.4}.book-direction-dial g{transform-origin:15px 15px;transition:transform .18s var(--ease)}.book-direction-dial .dial-needle{stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.book-direction-dial .dial-hub{fill:var(--surface)}@media(prefers-reduced-motion:reduce){.book-rotation,.book-cover-content,.central-book[data-turning],.book-direction-dial,.book-direction-dial g{transition:none}}.central-book:is([data-direction=top],[data-direction=bottom]) .book-interior:before{background:repeating-linear-gradient(to right,transparent 0 17px,var(--book-rule) 17px 18px)}.book-direction-anchor{position:relative;flex:none;width:30px;height:30px;z-index:7}.book-direction-dial{display:grid;place-items:center;position:relative;z-index:2;padding:0;touch-action:none;transition:transform .22s var(--ease),color .13s,background .13s}.book-direction-anchor.is-expanded .book-direction-dial{transform:scale(1.2);background:var(--surface);border-radius:50%;color:var(--ink)}.book-direction-menu{position:absolute;left:50%;top:50%;z-index:1;width:134px;height:134px;display:grid;grid-template:repeat(3,34px)/repeat(3,34px);gap:4px;padding:10px;border:2px solid color-mix(in srgb,var(--ink) 40%,transparent);border-radius:50%;background:var(--surface);box-shadow:0 0 0 1px color-mix(in srgb,var(--ink) 5%,transparent),var(--shadow-panel);opacity:0;transform:translate(-50%,-50%) scale(.22);pointer-events:none;transition:transform .24s var(--ease),opacity .16s}.book-direction-anchor.is-expanded .book-direction-menu{opacity:1;transform:translate(-50%,-50%) scale(1);pointer-events:auto}.book-direction-menu .direction-choice{display:grid;place-items:center;padding:0;border-radius:50%;color:var(--muted);transition:background .13s,color .13s,transform .13s}.book-direction-menu .direction-choice:is(:hover,:focus-visible){color:var(--ink);background:var(--surface-soft)}.book-direction-menu .direction-choice[aria-checked=true]{color:var(--primary-text);background:var(--brand)}.book-direction-menu .direction-choice:focus-visible{outline:1px solid var(--accent);outline-offset:2px}.book-direction-menu .direction-choice:active{transform:scale(.92)}.direction-top{grid-area:1/2}.direction-left{grid-area:2/1}.direction-right{grid-area:2/3}.direction-bottom{grid-area:3/2}@media(prefers-reduced-motion:reduce){.book-direction-menu,.book-direction-dial,.book-direction-menu .direction-choice{transition:none}}.book-sparks{position:absolute;inset:7px 0 8px 15px;overflow:hidden;border-radius:1px 8px 8px 1px;pointer-events:none;opacity:0;transform:translateZ(.7px);transition:opacity .42s var(--ease)}.book-sparks.is-open{opacity:1}.book-sparks i{position:absolute;border-radius:50%;background:#fffdf0;box-shadow:0 0 4px 1px #fff1b0,0 0 10px #ffe595;opacity:0;animation:book-spark var(--spark-duration) ease-in-out var(--spark-delay) infinite;animation-play-state:paused}.book-sparks.is-open i{animation-play-state:running}.book-sparks .is-star{border-radius:0;background:transparent;box-shadow:none;filter:drop-shadow(0 0 3px #ffe58a)}.book-sparks .is-star:before,.book-sparks .is-star:after{content:"";position:absolute;inset:0;background:#fffdf0;border-radius:50%;transform:scaleX(.24)}.book-sparks .is-star:after{transform:scaleY(.24)}.central-book.is-motion-paused .book-sparks i{animation-play-state:paused}@keyframes book-spark{0%,18%,to{opacity:0;transform:translateY(3px) scale(.55)}40%{opacity:var(--spark-strength)}65%{opacity:.2;transform:translateY(-3px) scale(1.15)}80%{opacity:0;transform:translateY(-5px) scale(.7)}}@media(prefers-reduced-motion:reduce){.book-sparks{transition:none}.book-sparks i{animation:none;opacity:.25}.book-sparks i:nth-child(2n){display:none}}.book-library{--shelf-short:100px;--shelf-long:144px;--shelf-left:22px;--shelf-bottom:12px}.library-sheet .book-library{--shelf-short:88px;--shelf-long:137px;--shelf-left:18px}.book-library .library-book{--shelf-width:var(--shelf-short);--shelf-height:var(--shelf-long);width:var(--shelf-width);height:var(--shelf-height);left:calc(var(--shelf-left) + (var(--shelf-long) - var(--shelf-width))/2);bottom:calc(var(--shelf-bottom) + (var(--shelf-long) - var(--shelf-height))/2);padding:0}.book-library .library-book:is([data-direction=top],[data-direction=bottom]){--shelf-width:var(--shelf-long);--shelf-height:var(--shelf-short)}.library-book-rotation{position:absolute;left:50%;top:50%;width:var(--shelf-short);height:var(--shelf-long);transform:translate(-50%,-50%) rotate(var(--shelf-angle));transform-style:preserve-3d}.book-library .library-book-face{padding:0}.library-book-content{position:absolute;left:50%;top:50%;width:var(--shelf-width);height:var(--shelf-height);padding:12px 10px 12px 15px;display:flex;flex-direction:column;justify-content:space-between;gap:6px;transform:translate(-50%,-50%) rotate(var(--shelf-counter-angle))}.library-book-content>span[dir]{white-space:normal;font-size:11px;line-height:1.35;font-weight:650;overflow:hidden;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow-wrap:break-word;text-align:start}.library-book-content>i{width:17px;height:1px;opacity:.4;background:currentColor;align-self:flex-end;flex-shrink:0}.library-book:is([data-direction=top],[data-direction=bottom]) .library-book-content{padding:9px 12px;gap:4px}.library-book:is([data-direction=top],[data-direction=bottom]) .library-book-content>span[dir]{-webkit-line-clamp:2}.book-library .library-card-open{padding-inline-start:calc(var(--shelf-left) + var(--shelf-long) + 18px)}@media(max-width:600px){.book-library,.library-sheet .book-library{--shelf-short:72px;--shelf-long:124px;--shelf-left:12px;--shelf-bottom:18px}.library-book-content{padding:10px 7px 10px 12px}.library-book-content>span[dir]{font-size:10px}.book-library .library-card-open{padding-inline-start:calc(var(--shelf-left) + var(--shelf-long) + 12px)}}.book-inner-branches{overflow:visible;clip-path:inset(0);transform:translateY(var(--book-float-y))}.book-stationary-branches{transform:translateY(calc(-1 * var(--book-float-y)))}.central-book .book-title-input{border:0;border-radius:0;padding:0;background:transparent;outline:none;box-shadow:none;font:650 17px/1.28 var(--font-ui)}.appearance-language-row{display:flex;align-items:center;gap:6px;direction:ltr;width:100%}.appearance-language-row .sidebar-theme-switch{flex:1 1 88px;min-width:0;margin:0;direction:ltr}.workspace-sidebar .appearance-language-row 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