.source-scroll{padding:var(--spacing-3);scrollbar-gutter:stable;overflow-anchor:none;flex:1;min-height:0;overflow:auto}.source-page{background:#fff;flex-shrink:0;position:relative}.source-page canvas{position:absolute;inset:0}.source-region{box-sizing:border-box;outline:none;position:absolute}.source-region[data-selected=true]{background:color-mix(in srgb, var(--color-accent) 25%, transparent);outline:3px solid var(--color-accent)}.source-region:hover,.source-region:focus-within{outline:2px solid var(--color-accent)}.source-region button{overflow-anchor:none;opacity:0;width:100%;min-width:0;height:100%;min-height:0}.source-region button:focus-visible{opacity:1}.placement-add{position:absolute;inset:0}.placement-add button{opacity:0;cursor:crosshair;width:100%;height:100%}.placement-add button:focus-visible{opacity:.3}.pdf-placement{touch-action:none;position:absolute}.pdf-placement[data-selected=true]{outline:var(--border-width) solid var(--color-accent)}.pdf-placement>button{opacity:0;cursor:move;width:100%;height:100%}.pdf-placement>button:focus-visible{opacity:.3}.pdf-placement>img{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.placement-remove{position:absolute;top:0;right:0;transform:translate(50%,-50%)}.placement-resize{touch-action:none;position:absolute;bottom:0;right:0;transform:translate(50%,50%)}.mark-drawing{touch-action:none;border:var(--border-width) solid var(--color-border);border-radius:var(--radius-md);background:#fff;width:100%;height:auto}.mark-preview{max-width:100%;max-height:calc(var(--spacing-10) * 4);object-fit:contain}[data-mark-thumbnail]{width:calc(var(--spacing-8) * 2);height:var(--spacing-10);object-fit:contain}