/* Original page proportions and whitespace remain visible at every size. */
.preview-sidebar .paper img{width:100%;height:auto;max-height:none;object-fit:contain}
#preview-dialog{overflow:hidden;max-height:92dvh}
#preview-dialog .preview-zoom-controls{display:flex;align-items:center;justify-content:center;gap:10px;padding:10px 12px;background:#fff;border-top:1px solid #e2ebf2}
#preview-dialog .preview-zoom-controls .secondary{min-height:36px;padding:6px 12px;font-size:13px}
#preview-dialog .preview-zoom-controls span{font-size:12px;color:#5e778b;min-width:76px;text-align:center}
#preview-dialog .dialog-preview-paper{overflow:auto;position:relative;min-height:0;max-height:65dvh;padding:12px;background:#edf3f8;box-sizing:border-box;overscroll-behavior:contain}
#preview-dialog .dialog-preview-paper #large-preview{display:block;max-width:none;max-height:none;height:auto;margin:0 auto;background:white;box-shadow:0 2px 10px #294d6b18}
@media(prefers-reduced-motion:reduce){#preview-dialog .dialog-preview-paper{scroll-behavior:auto}}