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0 24px;width:24px;height:24px;min-height:24px;padding:4px;cursor:grab;touch-action:none}.link-multi-toolbar button[data-toolbar-drag]:before{content:"";width:10px;height:15px;background:radial-gradient(currentColor 1px,transparent 1.5px) 0 0 / 5px 5px}.link-multi-toolbar.is-dragging button[data-toolbar-drag]{cursor:grabbing}.link-multi-toolbar select{min-width:0;padding:3px 6px;border:1px solid var(--color-border);border-radius:4px;font:inherit;color:inherit;background:inherit}.link-multi-toolbar select:focus-visible{outline:none;background:var(--color-surface-secondary)}.link-multi-reference-hint{margin:0 0 6px;max-width:330px;font-size:11px;line-height:1.4}.link-multi-alignment-actions{display:flex;flex-wrap:wrap;gap:2px}.link-multi-toolbar button{display:inline-flex;justify-content:center;align-items:center;flex:0 0 30px;height:30px;min-height:30px;padding:5px;border:1px solid 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.manual-button-toggle[aria-pressed=true]{border-color:var(--color-brand-strong);background:var(--color-brand-soft)}.manual-button-toggle app-icon{width:16px;height:16px}.pdf-course-link.pdf-course-link-removed{outline-style:dashed;outline-color:var(--color-text-secondary);background:#6464643d}.pdf-link-drawing{position:absolute;z-index:4;border:2px dashed var(--color-brand-strong);background:color-mix(in srgb,var(--color-brand-accent) 20%,transparent);pointer-events:none}.pdf-link-suggestion{position:absolute;z-index:4;pointer-events:none;outline:2px dashed var(--color-link-manual-strong);outline-offset:1px;background:color-mix(in srgb,var(--color-link-manual-fill) 24%,transparent)}.book-mount.is-drawing .pdf-page-content,.book-mount.is-drawing .pdf-page-content *{cursor:crosshair!important}.book-mount.is-drawing .pdf-course-link{pointer-events:none}.pdf-course-link:focus-visible{outline:2px solid var(--link-edit-color, var(--color-brand-strong));outline-offset:2px}.book-is-turning .pdf-course-link{pointer-events:none}.course-text-measure{position:fixed;left:-100000px;top:0;opacity:0;pointer-events:none;text-align:initial;line-height:1;letter-spacing:normal;word-spacing:normal;-webkit-text-size-adjust:none;text-size-adjust:none;transform-origin:0 0;--min-font-size: 1;--text-scale-factor: calc(var(--total-scale-factor) * var(--min-font-size));--min-font-size-inv: calc(1 / var(--min-font-size))}.course-text-measure :is(span,br){position:absolute;white-space:pre;transform-origin:0 0}.course-text-measure>:not(.markedContent),.course-text-measure .markedContent span:not(.markedContent){--font-height: 0;--scale-x: 1;--rotate: 0deg;font-size:calc(var(--text-scale-factor) * var(--font-height));transform:rotate(var(--rotate)) scaleX(var(--scale-x)) scale(var(--min-font-size-inv))}.course-text-measure .markedContent{display:contents}.book-mount.is-adjusting 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button:focus-visible{outline:3px solid #111;outline-offset:3px}.pdf-link-adjust .pdf-link-adjust-move{z-index:0;inset:0;width:100%;height:100%;transform:none;border:0;border-radius:0;background:color-mix(in srgb,var(--link-edit-fill, var(--color-brand-accent)) 15%,transparent);cursor:move}.pdf-link-adjust :is(.pdf-link-adjust-n,.pdf-link-adjust-s){z-index:1;width:100%;height:min(20px,60%)}.pdf-link-adjust :is(.pdf-link-adjust-e,.pdf-link-adjust-w){z-index:1;width:min(20px,60%);height:100%}.pdf-link-adjust-nw{left:0;top:0;cursor:nwse-resize}.pdf-link-adjust-n{left:50%;top:0;cursor:ns-resize}.pdf-link-adjust-ne{left:100%;top:0;cursor:nesw-resize}.pdf-link-adjust-e{left:100%;top:50%;cursor:ew-resize}.pdf-link-adjust-se{left:100%;top:100%;cursor:nwse-resize}.pdf-link-adjust-s{left:50%;top:100%;cursor:ns-resize}.pdf-link-adjust-sw{left:0;top:100%;cursor:nesw-resize}.pdf-link-adjust-w{left:0;top:50%;cursor:ew-resize}