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.library-item-open-button{min-height:64px}.mobile-panel .library-item-actions .icon-button,.mobile-panel .library-pane-header .pane-heading-row .icon-button{width:36px;height:36px}.mobile-panel .pins-clear-actions .icon-button{width:26px;height:26px}.empty-reader-history{display:block}.pdf-viewer-header{min-height:46px;gap:8px;padding:5px max(10px,env(safe-area-inset-left)) 5px max(10px,env(safe-area-inset-right))}.pdf-viewer-heading{min-width:0}.pdf-viewer-actions{flex:1 1 auto;min-width:0;gap:4px;justify-content:end;overflow:hidden}.pdf-viewer-actions .icon-button,.cross-selection-toolbar .icon-button{width:36px;height:36px;flex:0 0 auto}.pdf-sidebar-toolbar--pane-toggles{display:none}.mobile-reader-side-dock{display:block}.mobile-reader-side-dock-button{position:fixed;top:50%;z-index:35;width:38px;height:46px;border-color:#b8c0cceb;color:var(--text-muted);background:#fffdfaf5;box-shadow:0 10px 28px #17202d2e;transform:translateY(-50%)}.mobile-reader-side-dock-button--library{left:0;border-left:0;border-radius:0 8px 8px 0}.mobile-reader-side-dock-button--pins{right:0;border-right:0;border-radius:8px 0 0 8px}.mobile-reader-side-dock-button--active{border-color:#2563eb5c;color:var(--accent-strong);background:#fffdfafa}.pinned-card-chip{display:inline-grid}.pdf-zoom-toolbar{flex:0 0 auto;gap:4px}.cross-selection-toolbar{flex:1 1 auto;gap:4px;min-width:0;padding-right:4px;justify-content:end;overflow:hidden}.cross-selection-count{min-width:auto;overflow:hidden;font-size:11px;text-overflow:ellipsis}.pdf-viewer-title{max-width:45vw}.pdf-page-list{gap:12px;padding:10px}.select-action-popover{position:fixed;right:max(10px,env(safe-area-inset-right))!important;bottom:max(10px,env(safe-area-inset-bottom))!important;left:max(10px,env(safe-area-inset-left))!important;top:auto!important;width:auto;min-width:0;max-width:none;z-index:62}.select-action-command-button{min-height:36px}.select-action-command-row{grid-template-columns:minmax(0,1fr) auto auto auto;gap:6px}.mobile-selection-confirm-bar{position:fixed;right:max(10px,env(safe-area-inset-right));bottom:max(10px,env(safe-area-inset-bottom));left:max(10px,env(safe-area-inset-left));z-index:61;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;min-height:58px;padding:9px 10px;border:1px solid rgba(184,192,204,.92);border-radius:12px;color:var(--text);background:#fffdfafa;box-shadow:0 18px 46px #17202d3d}.mobile-selection-confirm-summary{min-width:0;overflow:hidden;color:var(--text-muted);font-size:12px;font-weight:740;text-overflow:ellipsis;white-space:nowrap}.mobile-selection-confirm-actions{display:inline-flex;align-items:center;gap:6px;min-width:0}.mobile-selection-confirm-button{min-height:40px;padding:0 12px;border:1px solid var(--border);border-radius:8px;color:var(--text);background:var(--surface-strong);font-size:13px;font-weight:760;cursor:pointer}.mobile-selection-confirm-button--primary{border-color:#2563eb5c;color:#fff;background:var(--accent)}.mobile-selection-confirm-button--ghost{color:var(--text-muted);background:#ffffffb8}.translation-popover.translation-popover--mobile-sheet{position:fixed;right:max(10px,env(safe-area-inset-right));bottom:max(10px,env(safe-area-inset-bottom));left:max(10px,env(safe-area-inset-left));top:auto;width:auto;min-width:0;max-width:none;min-height:220px;max-height:min(calc(100dvh - 24px),720px);border-radius:12px;box-shadow:0 18px 46px #17202d47;transform:none}.translation-popover--mobile-sheet .translation-popover-drag-handle{cursor:ns-resize}.translation-popover--mobile-sheet .translation-popover-toolbar{padding-right:0}.translation-popover--mobile-sheet .translation-popover-action,.translation-popover--mobile-sheet .pinned-translation-card-action{width:38px;height:38px}}@media (max-width: 560px){.app-shell{grid-template-rows:44px minmax(0,1fr)}.brand-mark{width:26px;height:26px}.api-health,.sync-health{display:none}.mobile-status-button{display:inline-grid}.topbar-actions .icon-button,.account-button,.mobile-status-button,.mode-toggle-button{width:34px;min-width:34px;height:34px}.reader-mode-control{padding:1px}.pdf-viewer-header{min-height:42px;padding:4px max(8px,env(safe-area-inset-left)) 4px max(8px,env(safe-area-inset-right))}.pdf-viewer-actions{gap:3px}.pdf-sidebar-toolbar,.pdf-export-toolbar,.cross-selection-toolbar{gap:3px;padding-right:4px}.pdf-viewer-actions .icon-button,.cross-selection-toolbar .icon-button{width:34px;height:34px}.mobile-reader-side-dock-button{width:34px;height:44px}.empty-page-frame{min-height:420px}.pdf-page-list{gap:10px;padding:8px}.pdf-viewer-title{max-width:38vw}.pdf-viewer-header--cross .pdf-viewer-title{max-width:28vw}.pdf-viewer-subtitle,.pdf-viewer-header--cross .cross-selection-count{display:none}.pdf-zoom-value{min-width:36px;font-size:11px}.mobile-selection-confirm-bar{grid-template-columns:1fr;gap:7px}.mobile-selection-confirm-actions{justify-content:stretch}.mobile-selection-confirm-button{flex:1 1 0;padding:0 8px}.mobile-panel{width:100vw}.settings-panel{width:100vw;border-left:0}}@media (max-width: 420px){.api-health,.sync-health{display:none}.topbar-actions{gap:4px}.topbar-actions .icon-button,.account-button,.mobile-status-button,.mode-toggle-button{width:34px;min-width:34px;height:34px}.pdf-viewer-title{max-width:34vw}}