.bookshelf-workspace{font-size:13px;min-width:0;display:flex;flex-direction:column;gap:6px;color:var(--ink);background:var(--paper);height:calc(100dvh - 150px);min-height:400px}.bookshelf-workspace [hidden]{display:none!important}.bookshelf-workspace button,.bookshelf-workspace input,.bookshelf-workspace select{font:inherit;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:8px;min-height:34px;padding:6px 9px;min-width:0}.bookshelf-workspace button{cursor:pointer}.bookshelf-workspace button:hover,.bookshelf-workspace button:focus-visible{border-color:var(--action);background:var(--sp-hover);outline-color:var(--action)}.bookshelf-workspace button:disabled{opacity:.5;cursor:default}.bs-heading{display:flex;align-items:center;gap:6px;flex:none}.bs-heading h1{font-size:22px;font-weight:800;margin:0 auto 0 0}.bs-status{font-size:11px;color:var(--muted);flex:none;min-height:0}.bs-status:empty{display:none}.bs-library{overflow:auto;min-height:0}.bs-library-tools{display:flex;gap:6px;position:sticky;top:0;background:var(--paper);z-index:1;padding:4px 0 10px}.bs-library-tools input{flex:1;min-width:80px}.bs-library-tools select{max-width:150px}.bs-shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(144px,180px));justify-content:start;gap:18px 14px;padding:6px 4px 20px}.bs-book{display:flex;flex-direction:column;gap:5px;text-align:left;min-width:0;border-color:transparent!important;padding:4px!important;box-shadow:none!important}.bs-book:hover{border-color:var(--action)!important}.bs-cover{width:100%;height:204px;box-sizing:border-box;display:flex;flex-direction:column;justify-content:space-between;padding:14px;border:2px solid var(--ink);border-radius:4px 10px 10px 4px;background:var(--sp-hover);box-shadow:3px 3px var(--accent);overflow:hidden;border-left:9px solid var(--action)}.bs-cover-type{font-size:11px;font-weight:800;color:var(--action);letter-spacing:1px}.bs-cover-title{font-size:17px;font-weight:800;line-height:1.5;display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden}.bs-book>strong{font-size:13px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;width:100%;min-height:39px}.bs-book>small{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.bs-empty{grid-column:1/-1;color:var(--muted);line-height:1.8}.bs-reading{display:flex;flex-direction:column;min-height:0;flex:1;gap:6px}.bs-toolbar,.bs-context-tools{display:flex;gap:4px;align-items:center;flex-wrap:wrap;flex:none}.bookshelf-workspace .bs-toolbar button,.bookshelf-workspace .bs-toolbar input,.bookshelf-workspace .bs-toolbar select,.bookshelf-workspace .bs-context-tools button,.bookshelf-workspace .bs-context-tools select{min-height:28px;height:28px;font-size:11px;padding:4px 6px}.bs-title{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:100px}.bs-version{max-width:170px}.bs-page{width:50px}.bs-find{width:120px}.bs-zoom{width:92px}.bs-page-count{font-size:11px;color:var(--muted);margin-right:6px}.bs-selection-label{font-size:11px;color:var(--muted);margin-left:auto}.bs-reader-layout{display:grid;grid-template-columns:150px minmax(0,1fr);flex:1;min-height:0;border:1px solid var(--line);border-radius:8px;overflow:hidden}.bs-reader-layout.bs-nav-hidden{grid-template-columns:minmax(0,1fr)}.bs-nav{display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--line);padding:6px;gap:6px}.bs-nav-tabs{display:flex;gap:3px;flex-wrap:wrap}.bookshelf-workspace .bs-nav-tabs button{min-height:28px;padding:4px 5px;font-size:11px}.bs-nav-body{overflow:auto;display:flex;flex-direction:column;gap:4px;font-size:11px;color:var(--muted);min-height:0}.bookshelf-workspace .bs-nav-body button{font-size:11px;text-align:left;padding:5px;min-height:28px;white-space:normal;overflow-wrap:anywhere}.bs-thumbnail canvas{display:block;max-width:100%;height:auto;margin:auto}.bs-thumbnail{text-align:center!important}.bs-reader-stage{position:relative;min-height:0;min-width:0;background:var(--line)}.bs-pdf-container{position:absolute;inset:0;overflow:auto}.bs-text-reader{position:absolute;inset:0;overflow:auto;background:var(--paper);padding:24px;font-size:13px;line-height:1.7;overflow-wrap:anywhere}.bs-text-reader h1{font-size:calc(1em + 4pt)}.bs-text-reader h2{font-size:calc(1em + 3pt)}.bs-text-reader h3{font-size:calc(1em + 2pt)}.bs-text-reader h4,.bs-text-reader h5,.bs-text-reader h6{font-size:calc(1em + 1pt)}.bs-text-reader p{white-space:pre-wrap;margin:0 0 12px}.bs-limits{font-size:11px;color:var(--muted);flex:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bs-found{outline:2px solid var(--action);background:var(--sp-hover)}.bs-region-layer{position:absolute;inset:0;z-index:100;cursor:crosshair;background:color-mix(in srgb,var(--action) 8%,transparent);touch-action:none}.bs-region-layer>div{position:absolute;border:2px solid var(--action);background:color-mix(in srgb,var(--action) 18%,transparent);pointer-events:none}.bs-dragging{outline:3px dashed var(--action);outline-offset:-5px}.bookshelf-workspace:fullscreen{height:100dvh;padding:12px;box-sizing:border-box}.bookshelf-workspace .pdfViewer .page{direction:ltr}.bookshelf-workspace .pdfViewer .textLayer{color:transparent}
@media(max-width:750px){.bs-reader-layout{grid-template-columns:110px minmax(0,1fr)}.bs-title{min-width:70px}.bs-version{max-width:105px}.bs-reader-controls{gap:3px}.bs-find{width:90px}.bs-shelf{grid-template-columns:repeat(auto-fill,minmax(135px,1fr))}.bs-cover{height:185px}.bs-selection-label{width:100%;margin:0}.bs-text-reader{padding:14px}.bookshelf-workspace{height:calc(100dvh - 140px)}}
@media(pointer:coarse){.bookshelf-workspace button,.bookshelf-workspace .bs-toolbar button,.bookshelf-workspace .bs-context-tools button,.bookshelf-workspace .bs-toolbar input,.bookshelf-workspace .bs-toolbar select{min-height:44px;height:44px}}

/* Reading first: one toolbar, secondary actions in Edit. */
.bs-reading>.bs-toolbar{flex-wrap:nowrap;gap:4px;position:relative}
.bs-reader-controls{flex-wrap:nowrap;overflow-x:auto;min-width:0}
.bs-edit-menu{position:relative;flex:none;font-size:11px}
.bs-edit-menu>summary{cursor:pointer;border:1px solid var(--line);border-radius:8px;padding:5px 8px;list-style:none}
.bs-edit-content{position:absolute;right:0;top:34px;width:280px;max-width:80vw;max-height:60vh;overflow:auto;z-index:20;background:var(--paper);border:2px solid var(--ink);border-radius:12px;padding:12px;box-shadow:3px 3px var(--accent);display:flex;flex-wrap:wrap;gap:6px}
.bs-edit-menu:not([open]) .bs-edit-content{display:none}
.bs-edit-content .bs-context-tools{display:flex;gap:6px}
.bs-limits{display:none}.bs-focus-exit{display:none}
body.bs-focus .bookshelf-workspace{position:fixed;inset:0;z-index:1000;height:100dvh;min-height:0;padding:0}
body.bs-focus .bookshelf-workspace>.bs-heading,body.bs-focus .bs-status,body.bs-focus .bs-reading>.bs-toolbar,body.bs-focus .bs-nav{display:none!important}
body.bs-focus .bs-reader-layout{grid-template-columns:minmax(0,1fr);border:0;border-radius:0}
body.bs-focus .bs-focus-exit{display:block;position:fixed;top:8px;left:8px;z-index:1002;opacity:.7}
body.bs-focus #rail-edge-open{z-index:1010}
body.bs-focus .handoff-rail:not(.collapsed){position:fixed;right:0;top:0;bottom:0;width:min(400px,90vw);z-index:1005;background:var(--paper)}

body.bs-focus .handoff-rail{box-sizing:border-box;max-width:90vw}

.bs-page-edge{position:absolute;top:50%;z-index:5;width:28px;height:44px;padding:0!important;opacity:.55;transform:translateY(-50%)}.bs-page-edge:hover,.bs-page-edge:focus-visible{opacity:1}.bs-edge-prev{left:4px}.bs-edge-next{right:4px}
body.bs-focus .bs-reading>.bs-toolbar{display:flex!important;position:absolute;top:0;left:0;right:0;z-index:20;background:var(--paper);padding:6px 100px 6px 6px;transform:translateY(-110%);transition:transform 180ms ease;box-shadow:0 2px 6px #0002}
body.bs-focus .bs-menu-visible .bs-reading>.bs-toolbar,body.bs-focus .bs-reading>.bs-toolbar:focus-within{transform:translateY(0)}
body.bs-focus .bs-focus-exit{left:auto;right:6px;z-index:25;font-size:11px}
@media(prefers-reduced-motion:reduce){body.bs-focus .bs-reading>.bs-toolbar{transition:none}}

/* Compact single reading row; overflow stays inside the toolbar. */
.bs-reading>.bs-toolbar .bs-title{min-width:60px;max-width:180px;flex:0 1 180px}.bs-reader-controls{flex:1;min-width:0}.bs-reader-controls>*{flex-shrink:0}.bs-reader-controls .bs-find{width:100px}.bs-reader-controls button{white-space:nowrap}

/* Primary controls stay visible beside the heading; secondary reading tools disclose in one row. */
.bs-heading{position:relative}.bs-top-tools{display:flex;align-items:center;gap:4px}.bs-top-tools button{height:28px;min-height:28px;padding:4px 6px}.bs-top-tools [data-bs=fullscreen]{border:2px solid var(--action);background:var(--sp-hover);min-width:36px}.bs-search-drawer{position:absolute;top:100%;right:0;z-index:30;display:flex;flex-wrap:nowrap;gap:4px;padding:6px;background:var(--paper);border:1px solid var(--line);border-radius:8px;box-shadow:2px 2px var(--accent)}.bs-search-drawer input{width:150px}.bs-search-drawer button{white-space:nowrap}.bs-page-edge{z-index:110;pointer-events:auto;touch-action:manipulation}.bs-reading>.bs-toolbar .bs-title{flex:1;max-width:none;min-width:0}.bs-reader-controls{flex:0 1 auto}.bs-page{width:42px}.bs-zoom{width:88px}
body.bs-focus .bookshelf-workspace>.bs-heading{display:flex!important;position:absolute;top:0;left:0;right:0;height:40px;padding:4px 100px 4px 8px;box-sizing:border-box;background:var(--paper);z-index:30;transform:translateY(-110%);transition:transform 180ms ease}
body.bs-focus .bs-heading>h1,body.bs-focus .bs-heading>[data-bs]{display:none}body.bs-focus .bs-top-tools{margin-left:auto}
body.bs-focus .bs-reading>.bs-toolbar{top:40px;transform:translateY(-230%);padding:4px 8px}
body.bs-focus .bs-menu-visible>.bs-heading,body.bs-focus .bs-menu-visible .bs-reading>.bs-toolbar{transform:translateY(0)}
body.bs-focus .bs-reading>.bs-toolbar:focus-within{transform:translateY(-230%)}body.bs-focus .bs-menu-visible .bs-reading>.bs-toolbar:focus-within{transform:translateY(0)}
@media(max-width:600px){.bs-top-tools{gap:3px}.bs-heading{gap:4px}.bs-heading h1{font-size:18px}.bs-heading>[data-bs=reload]{display:none}.bs-search-drawer{max-width:calc(100vw - 32px)}.bs-search-drawer input{width:90px}.bs-reading>.bs-toolbar{flex-wrap:wrap}.bs-reader-controls{width:100%;justify-content:center;overflow:visible}.bs-reading>.bs-toolbar .bs-title{min-width:180px}}
@media(prefers-reduced-motion:reduce){body.bs-focus .bookshelf-workspace>.bs-heading{transition:none}}

/* Keep page controls outside the persistent assistant edge hit area. */
.bs-edge-next{right:48px}.bs-edge-prev{left:10px}
/* One compact control scale across the heading, reader and search drawer. */
.bookshelf-workspace{--bs-control:28px;--bs-icon:17px}
.bookshelf-workspace .bs-heading button,.bookshelf-workspace .bs-toolbar button,.bookshelf-workspace .bs-toolbar input,.bookshelf-workspace .bs-toolbar select,.bookshelf-workspace .bs-search-drawer button,.bookshelf-workspace .bs-search-drawer input{height:var(--bs-control);min-height:var(--bs-control);box-sizing:border-box;border-radius:8px;padding:4px 6px;font-size:11px;line-height:18px;display:inline-flex;align-items:center;justify-content:center;vertical-align:middle}
.bookshelf-workspace .bs-heading button,.bookshelf-workspace .bs-toolbar button{min-width:var(--bs-control);flex-shrink:0}
.bookshelf-workspace .bs-top-tools button,.bookshelf-workspace .bs-heading>[data-bs=reload]{width:var(--bs-control);padding:4px}
.bookshelf-workspace .bs-top-tools [data-bs=fullscreen]{min-width:var(--bs-control);border-width:2px}
.bookshelf-workspace .bs-heading button svg,.bookshelf-workspace .bs-toolbar button svg{width:var(--bs-icon);height:var(--bs-icon);flex:none}
.bs-heading,.bs-top-tools,.bs-reader-controls{gap:4px}.bs-search-drawer{gap:4px}.bs-top-tools{padding:0}.bookshelf-workspace .bs-page-count{align-self:center;line-height:18px;margin-right:0}.bookshelf-workspace .bs-zoom{width:96px}.bookshelf-workspace .bs-page{width:44px;text-align:center}
@media(pointer:coarse){.bookshelf-workspace{--bs-control:44px}.bookshelf-workspace .bs-reader-controls{gap:3px}.bookshelf-workspace .bs-zoom{width:100px}.bookshelf-workspace .bs-page{width:48px}.bookshelf-workspace .bs-page-count{font-size:10px}.bookshelf-workspace .bs-reader-controls{overflow-x:auto;justify-content:flex-start}.bookshelf-workspace .bs-heading{flex-wrap:wrap}.bookshelf-workspace .bs-top-tools{margin-left:auto}body.bs-focus .bookshelf-workspace>.bs-heading{height:52px}body.bs-focus .bs-reading>.bs-toolbar{top:52px}}

/* Fullscreen is the rightmost action; page controls never share the assistant hit area. */
.bookshelf-workspace .bs-native-fullscreen{border:2px solid var(--action);background:var(--sp-hover)}
body.bs-focus .bookshelf-workspace>.bs-heading{padding-right:8px}
body.bs-focus .bs-focus-exit{display:none}