#fullscreen-viewer {
    position: fixed;
    top: 0; left: 0;
    width: 100dvw; height: 100dvh;
    background: rgba(0,0,0,0.9);
    display: flex;
    justify-content: center;
    z-index: 1000;
    flex-direction: column;
    opacity: 1;
    transition: all 0.3s;
}

#fullscreen-viewer.viewer-hidden {
    transform: translateY(200dvw);
    opacity: 0;
    & > *{
        display: none;
    }
}

#viewer-content {
    --index: 0;
    transform: translateX(calc(-100dvw * var(--index)));
    display: flex;
    width: fit-content;
    transition: transform 0.3s;
    & > div{
        width: 100dvw;
        height: 80dvh;
        z-index: 1001;
        display: flex;
        justify-content: center;
        & > img{
            max-height: 100%;
            max-width: 100%;
            object-fit: contain;
            border-radius: 8px;
        }
    }
}

#viewer-close,
#viewer-prev,
#viewer-next {
    position: fixed;
    background: none;
    color: white;
    font-size: 2rem;
    border: none;
    cursor: pointer;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    z-index: 1002;
}

#viewer-close {
    top: 20px;
    right: 30px;
}

#viewer-prev {
    top: 50%;
    left: 30px;
    transform: translateY(-50%);
}

#viewer-next {
    top: 50%;
    right: 30px;
    transform: translateY(-50%);
}


.open-gallery-btn {
    display: block;
    margin: 1rem auto;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    &:hover{background-color: #1e60d4;}
}


#viewer-thumbs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 1rem;
    gap: 10px;
    z-index: 1002;
    height: calc(20dvh - 1rem);
    overflow: auto;
}

#viewer-thumbs img {
    width: 70px;
    height: 50px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    opacity: 0.6;
    border: 2px solid transparent;
}

#viewer-thumbs img.active-thumb {
    border-color: white;
    opacity: 1;
}