/* Shared preview: all add-ons, one cover image each, sized to the existing cover. */
.iv-addon-collage{box-sizing:border-box;flex:0 0 144px;width:144px;height:114px;padding:5px;border-radius:12px;background:#fff;overflow:hidden}
.iv-addon-cover.iv-addon-collage{display:grid;grid-template-columns:repeat(var(--iv-addon-columns),minmax(0,1fr));grid-template-rows:repeat(var(--iv-addon-rows),minmax(0,1fr));gap:2px}
.iv-addon-collage .iv-addon-tile{display:flex;align-items:center;justify-content:center;min-width:0;min-height:0;overflow:hidden;border-radius:3px;background:#fff}
.iv-addon-collage .iv-addon-tile img{display:block;width:100%;height:100%;min-width:0;min-height:0;max-width:100%;max-height:100%;margin:0;padding:0;border:0;border-radius:0;object-fit:contain;box-shadow:none}
.iv-addon-collage .iv-addon-placeholder{display:block;width:60%;height:60%;fill:none;stroke:#64746d;stroke-width:1.5}