/*
Utilized by appendToCss() functions in the JavaScript
*/
:root {
    --cloned-image-scale: 1;
    --cloned-image-object-position: 50% 50%;
    --lightbox-wrapper-animation-delay: 0s;
    --lightbox-wrapper-visibility: hidden;
    --document-scroll-height: 0;
}

/* 
Arbitrary styling for sample images on this page; these classes are not
needed as hooks in the JavaScript, and may be changed for the page and 
site employing the tmb-lightbox.
*/

*, html, body {
    box-sizing: border-box;
    margin: 0;
}

h1, figcaption {
    text-align: center;
    padding-top: .5em;
}

.outer-wrapper {
    align-items: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100%;
    padding: 1em 0;
    width: 100%;
}

.image-wrapper .image-item {
    cursor: pointer;
    height: 35vh;
    margin-bottom: 1em;
    overflow: hidden;
    width: 48%;
}

.image-wrapper .image-item img {
    height: 100%;
    object-fit: cover;
    transition: all .3s ease-in-out;
    width: 100%;
}

.screen-reader {
    border: 0;
    clip: rect(0,0,0,0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    white-space: nowrap;
    width: 1px;
}

/*
Classes needed for styling the tmb-lightbox content, and as hooks for the
JavaScript (i.e., class names must be preserved):
*/

.tmb-lightbox-source {
    cursor: pointer;
}

.tmb-lightbox-wrapper .cloned-image {
    transform: scale(var(--cloned-image-scale));
    object-position: var(--cloned-image-object-position);
    touch-action: none;
}

.tmb-lightbox-wrapper {
    align-items: center;
    animation: fade-out .8s ease-in-out forwards;
    display: flex;
    flex-direction: column;
    height: 100vh;
    justify-content: center;
    opacity: 1;
    overflow: hidden;
    position: fixed;
    visibility: var(--lightbox-wrapper-visibility);
    width: 100vw;
    z-index: 10001;
    top: 0;
    left: 0;
}

.tmb-lightbox-wrapper.show {
    animation: fade .8s ease-in-out forwards;
    opacity: 1;
}

.body:has(.tmb-lightbox-wrapper.show) .tmb-lightbox-backdrop {
    background-color: #2929299c;
    height: var(--document-scroll-height);
    position: absolute;
    width: 100%;
    z-index: 10000;
}

.tmb-lightbox-wrapper a:link.tmb-lightbox-negative-space {
    background-color: transparent;
    height: var(--document-scroll-height);
    position: absolute;
    width: 100%;
    z-index: 10001;
}


.tmb-lightbox-wrapper .tmb-lightbox-content {
    background-color: #272727;
    border:1px solid #3e3e3e;
    box-shadow: 0px 0px 7px #525252;
    display: flex;
    max-height: 95%;
    min-height: 80%;
    overflow: hidden;
    width: 80%;
    z-index: 10001;
    position: relative;
    left: var(--lightbox-left);
    top: var(--lightbox-top);
    transform: scale(var(--lightbox-scale));
}

@media (max-width:480px) {
    .tmb-lightbox-wrapper .tmb-lightbox-content {
        height: 95%;
        width: 95%;
    }
}

.tmb-lightbox-wrapper .tmb-lightbox-viewer {
    background-color: #000;
    height: 100%;
    overflow: hidden;
    position: relative;
    width: calc(100% - 45px);
}

.tmb-lightbox-wrapper .tmb-lightbox-viewer > img {
    height: 100%;
    object-fit: scale-down;
    position: relative;
    transition: transform .3s ease-in-out;
    width: 100%;
}

.tmb-lightbox-wrapper .tmb-lightbox-viewer > img[data-draggable] {
    cursor: grab;
}

.tmb-lightbox-wrapper .tmb-lightbox-buttons {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    height: 100%;
    width: 45px;
}

.tmb-lightbox-wrapper .tmb-lightbox-buttons > a {
    align-items: center;
    color: #c9c9c9;
    display: flex;
    height: 36px;
    justify-content: center;
    margin: 5px;
    text-decoration: none;
    width: 36px;
}


.tmb-lightbox-source:focus-visible img {
    outline: 3px solid var(--anchor-underline-color);
    outline-style: auto;
}

.tmb-lightbox-wrapper .tmb-lightbox-buttons > a:hover {
    background-color: #f5f5f533;
}

.tmb-lightbox-wrapper .tmb-lightbox-buttons > a[disabled] {
    color:#838383;
    cursor: not-allowed;
    pointer-events: none;
}

@keyframes fade {
    0%{
        opacity: 0;
        transform: translateY(-1000px);
        transform: scale(0);
    }
    100%{
        opacity: 1;
        transform: translateY(0);
        transform: scale(1);
    }
}

@keyframes fade-out {
    0%{
        opacity: 1;
        transform: translateY(0);
        transform: scale(1);
    }
    100%{
        opacity: 0;
        transform: translateY(-1000px);
        transform: scale(0);
    }
}