/* =========================================================
   mosaic.css — thumbnail mosaics (Price Checker sticky/results,
   Matcher, Lookup collection/wantlist/list)
   Loaded on: /pricechecker, /matcher, /lookup
   ========================================================= */

.sticky-mosaic-active #results-mosaic { display: none; }

#sticky-mosaic {
    position: fixed;
    top: 0;
    width: 220px;
    max-height: 100vh;
    overflow-y: auto;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;

    .mosaic-item { width: calc(100% / 12); }

    .badge-count {
        flex-direction: column-reverse;
        align-items: flex-start;
        gap: 6px;
        margin: 8px 0 0;
        padding-top: 8px;
        border-top: 1px solid var(--rule);
        font-size: 12px;

        > span:first-child {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            line-height: 1.8;
        }
    }
}

.lookup-mosaic-wrap {
    position: relative;
    overflow: hidden;
}

.lookup-mosaic--inactive {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    visibility: hidden;
    pointer-events: none;
}

.mosaic {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    margin-bottom: 5px;
    overflow: hidden;
    contain: layout style;
}

.mosaic-item {
    width: calc(100% / 50);
    aspect-ratio: 1 / 1;
    display: block;
    flex-shrink: 0;

    &:hover {
        transform: scale(1.15);
        z-index: 2;
        filter: brightness(1.05) saturate(1.1);
        position: relative;
    }
}

.mosaic-thumb {
    width: 100%;
    height: 100%;
    display: block;
}

/* Smooth fade-in for Price Checker mosaic thumbnails as each lazy image
   finishes loading (on initial paint and as they scroll into view). A keyframe
   animation is used rather than a transition so it always plays when the image
   becomes ready, independent of how close that is to the element's insertion. */
#results-mosaic .mosaic-thumb {
    opacity: 0;
}
#results-mosaic .mosaic-thumb.is-loaded {
    opacity: 1;
    animation: mosaicThumbIn 0.5s ease;
}
@keyframes mosaicThumbIn {
    from { opacity: 0; transform: scale(1.04); }
    to   { opacity: 1; transform: scale(1); }
}
@keyframes mosaicThumbFade {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
    /* Keep the opacity fade (acceptable under reduced motion); drop the scale. */
    #results-mosaic .mosaic-thumb.is-loaded {
        animation-name: mosaicThumbFade;
    }
}