/* ==========================================
   LIGHTBOX
========================================== */

.lightbox {

    position: fixed;

    overflow: hidden;

    inset: 0;

    z-index: 2000;

    display: none;

    justify-content: center;
    align-items: center;

    background: rgba(0, 0, 0, .94);

}

.lightbox.open {

    display: flex;

}

.lightbox-figure {

    margin: 0;

    display: flex;
    flex-direction: column;

    align-items: center;

    max-width: 100vw;
    max-height: 100vh;

}

.lightbox-image {

    display: block;

    max-width: 95vw;
    max-height: 90vh;

    width: auto;
    height: auto;

    object-fit: contain;

    cursor: grab;

    user-select: none;

    -webkit-user-drag: none;
}

.lightbox-image:active {

    cursor: grabbing;

}

.lightbox-counter {

    margin-top: 1rem;

    color: white;

    font-size: .95rem;

}

/* ==========================================
   BUTTONS
========================================== */

.lightbox-close,

.lightbox-prev,

.lightbox-next {

    position: absolute;

    display: flex;

    justify-content: center;
    align-items: center;

    width: 48px;
    height: 48px;

    border: 0;

    border-radius: 50%;

    background: rgba(255,255,255,.12);

    color: white;

    cursor: pointer;

    transition: background .2s;

}

.lightbox-close:hover,

.lightbox-prev:hover,

.lightbox-next:hover {

    background: rgba(255,255,255,.25);

}

.lightbox-close {

    top: 20px;
    right: 20px;

    font-size: 2rem;

}

.lightbox-prev {

    left: 20px;

    top: 50%;

    transform: translateY(-50%);

    font-size: 3rem;

}

.lightbox-next {

    right: 20px;

    top: 50%;

    transform: translateY(-50%);

    font-size: 3rem;

}

.lightbox button[hidden] {

    display: none;

}

/* ==========================================
   SPINNER
========================================== */

.lightbox-spinner {

    position: absolute;

    top: 50%;
    left: 50%;

    transform: translate(-50%, -50%);

    width: 48px;
    height: 48px;

    border: 4px solid rgba(255,255,255,.25);

    border-top-color: white;

    border-radius: 50%;

    opacity: 0;

    visibility: hidden;

    transition:

        opacity .2s,

        visibility .2s;

    animation: lightbox-spin .8s linear infinite;

}

.lightbox-spinner.visible {

    opacity: 1;

    visibility: visible;

}

@keyframes lightbox-spin {

    to {

        transform: rotate(360deg);

    }

}

/* ==========================================
   ANIMATION
========================================== */

.lightbox {

    opacity: 0;

    transition: opacity .25s ease;

}

.lightbox.open {

    opacity: 1;

}

.lightbox-image {

    animation: lightbox-image .25s ease;

}

@keyframes lightbox-image {

    from {

        opacity: 0;

        transform: scale(.97);

    }

    to {

        opacity: 1;

        transform: scale(1);

    }

}

/* ==========================================
   ACCESSIBILITY
========================================== */

.lightbox button:focus-visible {

    outline: 2px solid white;

    outline-offset: 3px;

}

/* ==========================================
   REDUCED MOTION
========================================== */

@media (prefers-reduced-motion: reduce) {

    .lightbox,

    .lightbox-image,

    .lightbox-spinner {

        animation: none;

        transition: none;

    }

}

/* ==========================================
   MOBILE
========================================== */

@media (max-width: 768px) {

    .lightbox-image {

        max-width: 100vw;

        max-height: 82vh;

    }

    .lightbox-prev,

    .lightbox-next {

        width: 56px;

        height: 56px;

        font-size: 2.5rem;

    }

    .lightbox-prev {

        left: 6px;

    }

    .lightbox-next {

        right: 6px;

    }

    .lightbox-close {

        top: 8px;

        right: 8px;

    }

    .lightbox-counter {

        margin-top: .75rem;

        font-size: .9rem;

    }

}

/* ==========================================
   GALLERY BUTTON
========================================== */

.gallery {

    display: inline-flex;

    justify-content: center;
    align-items: center;

    gap: .5rem;

    margin: .25rem .75rem .25rem 0;

}