#preview {
    height: fit-content;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    column-gap: var(--s2);
    row-gap: var(--s2);
    margin-bottom: 6rem;
}

.preview-container {
    cursor: pointer;
    position: relative;
    aspect-ratio: 1 / 1;
    transition: opacity .8s ease, filter .8s ease;
}

.preview-container>.image,
.preview-container>.video,
.preview-container>.text {
    object-fit: contain;
    object-position: center;
    position: absolute;
    inset: 0;
    width: 100%;
    opacity: 0;
    transition: opacity .8s ease;
    pointer-events: none;
}

/* dim other previews when one is open */
#preview.has-active .preview-container:not(.active) {
    opacity: .1;
    filter: blur(6px);
}

/* thumbnail image */
.preview-container>.image {
    opacity: 1;
}

/* hide preview image for active preview if preview video present  */
.preview-container.active:has(>.video)>.image {
    opacity: 0;
}

.title,
.open {
    position: absolute;
    top: 0;
    opacity: 0;
}

.title {
    left: 0;
    margin: .5rem;
    border-radius: var(--pico-border-radius);
    color: var(--pico-background-color);
    background: var(--pico-primary);
}

#preview.has-active>.preview-container:not(.active):hover>.title,
.title {
    opacity: 0;
}

.preview-container:hover>.title,
.preview-container.active>.title {
    opacity: 1;
}

/* link icon */
.open {
    right: 0;
    margin: .75rem;
    color: var(--pico-primary);
    transition: opacity .8s ease;
    font-size: 1.2rem;
    text-align: right;
}

.preview-container.active>.text,
.preview-container.active>.video,
.preview-container.active>.tag,
.preview-container.active>.open {
    opacity: 1;
}

.preview-container>.text {
    position: relative;
    z-index: 1;
    top: 100%;
    bottom: auto;
    height: auto;
    padding-top: var(--s1);
    padding-bottom: var(--s1);
}

/* other elements */
.pdf {
    position: relative;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border: .1rem solid var(--pico-primary);
    /* border-radius: var(--pico-border-radius); */
    color: var(--pico-primary);
    text-decoration: inherit;
}