.slideshow {
    --slideshow-duration: 6s;
    position: fixed;
    inset: 0;
    z-index: 90;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: rgb(0 0 0 / 82%);
    backdrop-filter: blur(6px);
    overflow: auto;
}

.slideshow[open] {
    display: flex;
}

.slideshow__overlay {
    position: absolute;
    inset: 0;
    cursor: zoom-out;
}

.slideshow__stage {
    position: relative;
    z-index: 1;
    width: min(90vw, 1100px);
    max-height: calc(100vh - 3rem);
    padding: 3.5rem 4.5rem 1rem;
    background: var(--ink, #102f37);
    color: var(--paper, #f2eedd);
    box-shadow: 0 1.5rem 5rem rgb(0 0 0 / 45%);
}

.slideshow__figure {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0;
}

.slideshow__img {
    display: block;
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: calc(100vh - 10rem);
    object-fit: contain;
    border: 1px solid var(--line, #64847e);
}

.slideshow__caption {
    width: 100%;
    padding: .75rem 0 0;
    color: var(--mist, #a9ccc6);
    font-size: .8rem;
    line-height: 1.5;
    overflow-wrap: anywhere;
}

.slideshow__autoplay {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
}

.slideshow__autoplay-toggle {
    position: absolute;
    top: .75rem;
    left: .75rem;
    min-width: 2.75rem;
    min-height: 2rem;
    padding: .25rem .5rem;
    border: 1px solid rgb(242 238 221 / 24%);
    background: transparent;
    color: var(--mist, #a9ccc6);
    font: inherit;
    font-size: .65rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    cursor: pointer;
    pointer-events: auto;
}

.slideshow__autoplay-toggle:hover {
    border-color: rgb(242 238 221 / 45%);
    color: var(--paper, #f2eedd);
}

.slideshow__progress {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 1px;
    overflow: hidden;
    background: rgb(169 204 198 / 12%);
}

.slideshow__progress-fill {
    display: block;
    width: 100%;
    height: 100%;
    background: rgb(169 204 198 / 72%);
    box-shadow: 0 0 6px rgb(169 204 198 / 55%);
    transform: scaleX(0);
    transform-origin: left center;
}

.slideshow__close,
.slideshow__nav {
    position: absolute;
    z-index: 2;
    display: grid;
    place-items: center;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    border: 1px solid rgb(242 238 221 / 45%);
    background: rgb(16 47 55 / 88%);
    color: var(--paper, #f2eedd);
    cursor: pointer;
}

.slideshow__close {
    top: .5rem;
    right: .5rem;
    border: 0;
    background: transparent;
    font-size: 1.2rem;
}

.slideshow__nav {
    top: 50%;
    translate: 0 -50%;
    font-size: 1.35rem;
}

.slideshow__nav--prev {
    left: .75rem;
}

.slideshow__nav--next {
    right: .75rem;
}

.slideshow__nav:disabled {
    opacity: .28;
    cursor: default;
}

.slideshow__autoplay-toggle:focus-visible,
.slideshow__close:focus-visible,
.slideshow__nav:focus-visible {
    outline: 2px solid var(--paper, #f2eedd);
    outline-offset: 3px;
}

@keyframes slideshow-progress {
    to {
        transform: scaleX(1);
    }
}

@media (prefers-reduced-motion: no-preference) {
    .slideshow--progressing .slideshow__progress-fill {
        animation: slideshow-progress var(--slideshow-duration) linear forwards;
    }

    .slideshow--progress-paused .slideshow__progress-fill {
        animation-play-state: paused;
    }
}

@media (max-width: 40rem) {
    .slideshow {
        padding: .75rem;
    }

    .slideshow__stage {
        width: calc(100vw - 1.5rem);
        max-height: calc(100vh - 1.5rem);
        padding: 3.5rem .75rem 4.25rem;
    }

    .slideshow__img {
        max-height: calc(100vh - 11rem);
    }

    .slideshow__nav {
        top: auto;
        bottom: .75rem;
        translate: 0;
    }
}

@media print {
    .slideshow {
        display: none;
    }
}