.avg-workbook-gallery {
    width: 100%;
    min-width: 0;
}

.avg-workbook-gallery__viewport {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(147, 197, 253, 0.42);
    border-radius: 1rem;
    background: #ffffff;
    box-shadow: 0 24px 55px rgba(15, 23, 42, 0.32);
}

.avg-workbook-gallery__track {
    display: flex;
    width: 100%;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
}

.avg-workbook-gallery__track::-webkit-scrollbar {
    display: none;
}

.avg-workbook-gallery__track:focus-visible,
.avg-workbook-gallery button:focus-visible {
    outline: 3px solid #fbbf24;
    outline-offset: 3px;
}

.avg-workbook-gallery__slide {
    position: relative;
    flex: 0 0 100%;
    min-width: 100%;
    margin: 0;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    background: #ffffff;
}

.avg-workbook-gallery__open {
    position: relative;
    display: block;
    width: 100%;
    padding: 0;
    border: 0;
    background: #f8fafc;
    cursor: zoom-in;
}

.avg-workbook-gallery__image {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: contain;
    background: #f8fafc;
}

.avg-workbook-gallery__zoom {
    position: absolute;
    right: 0.75rem;
    top: 0.75rem;
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 999px;
    color: #ffffff;
    background: rgba(15, 23, 42, 0.78);
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.28);
}

.avg-workbook-gallery__zoom svg,
.avg-workbook-gallery__control svg,
.avg-workbook-lightbox__close svg,
.avg-workbook-lightbox__nav svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.avg-workbook-gallery__caption {
    min-height: 3rem;
    padding: 0.75rem 4.25rem 0.75rem 1rem;
    color: #0f172a;
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1.35;
}

.avg-workbook-gallery__control,
.avg-workbook-lightbox__close,
.avg-workbook-lightbox__nav {
    display: grid;
    place-items: center;
    min-width: 44px;
    min-height: 44px;
    border: 0;
    border-radius: 999px;
    color: #ffffff;
    background: rgba(15, 23, 42, 0.82);
    cursor: pointer;
    transition: background-color 160ms ease, transform 160ms ease;
}

.avg-workbook-gallery__control:hover,
.avg-workbook-lightbox__close:hover,
.avg-workbook-lightbox__nav:hover {
    background: #1d4ed8;
    transform: scale(1.04);
}

.avg-workbook-gallery__control {
    position: absolute;
    top: 43%;
    z-index: 2;
    transform: translateY(-50%);
}

.avg-workbook-gallery__control:hover {
    transform: translateY(-50%) scale(1.04);
}

.avg-workbook-gallery__control--prev {
    left: 0.75rem;
}

.avg-workbook-gallery__control--next {
    right: 0.75rem;
}

.avg-workbook-gallery__counter {
    position: absolute;
    right: 0.75rem;
    bottom: 0.68rem;
    z-index: 2;
    min-width: 3.25rem;
    padding: 0.32rem 0.65rem;
    border-radius: 999px;
    color: #ffffff;
    background: rgba(15, 23, 42, 0.84);
    font-size: 0.8rem;
    font-weight: 700;
    text-align: center;
}

.avg-workbook-gallery__thumbs {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.6rem;
    margin-top: 0.8rem;
}

.avg-workbook-gallery__thumb {
    min-width: 0;
    min-height: 44px;
    padding: 0.28rem;
    border: 2px solid transparent;
    border-radius: 0.65rem;
    color: #dbeafe;
    background: rgba(15, 23, 42, 0.34);
    cursor: pointer;
    transition: border-color 160ms ease, background-color 160ms ease;
}

.avg-workbook-gallery__thumb:hover {
    background: rgba(30, 64, 175, 0.7);
}

.avg-workbook-gallery__thumb.is-active {
    border-color: #fbbf24;
    background: rgba(15, 23, 42, 0.78);
}

.avg-workbook-gallery__thumb-image {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 0.35rem;
    object-fit: cover;
    background: #ffffff;
}

.avg-workbook-gallery__thumb span {
    display: block;
    overflow: hidden;
    margin-top: 0.3rem;
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.avg-workbook-lightbox {
    width: min(96vw, 1600px);
    max-width: none;
    height: min(94vh, 1000px);
    max-height: none;
    padding: 0;
    border: 1px solid #334155;
    border-radius: 1rem;
    color: #ffffff;
    background: #0f172a;
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.58);
}

.avg-workbook-lightbox::backdrop {
    background: rgba(2, 6, 23, 0.9);
    backdrop-filter: blur(5px);
}

.avg-workbook-lightbox__panel {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    height: 100%;
}

.avg-workbook-lightbox__topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 1rem;
    min-height: 64px;
    padding: 0.6rem 0.85rem 0.6rem 1.25rem;
    border-bottom: 1px solid #334155;
}

.avg-workbook-lightbox__title {
    overflow: hidden;
    color: #f8fafc;
    font-size: 1rem;
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.avg-workbook-lightbox__count {
    color: #cbd5e1;
    font-size: 0.9rem;
    font-weight: 700;
}

.avg-workbook-lightbox__stage {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 0;
    padding: 1rem 4.5rem;
    overflow: auto;
}

.avg-workbook-lightbox__image {
    display: block;
    max-width: 100%;
    max-height: calc(94vh - 96px);
    object-fit: contain;
    background: #ffffff;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.35);
}

.avg-workbook-lightbox__nav {
    position: fixed;
    top: 50%;
    z-index: 2;
    transform: translateY(-50%);
}

.avg-workbook-lightbox__nav:hover {
    transform: translateY(-50%) scale(1.04);
}

.avg-workbook-lightbox__nav--prev {
    left: 2vw;
}

.avg-workbook-lightbox__nav--next {
    right: 2vw;
}

html.avg-lightbox-open {
    overflow: hidden;
}

@media (max-width: 390px) {
    .avg-workbook-gallery__viewport {
        border-radius: 0.75rem;
    }

    .avg-workbook-gallery__control {
        top: 40%;
    }

    .avg-workbook-gallery__control--prev {
        left: 0.35rem;
    }

    .avg-workbook-gallery__control--next {
        right: 0.35rem;
    }

    .avg-workbook-gallery__zoom {
        right: 0.45rem;
        top: 0.45rem;
    }

    .avg-workbook-gallery__caption {
        min-height: 3.45rem;
        padding-left: 0.75rem;
        font-size: 0.78rem;
    }

    .avg-workbook-gallery__thumbs {
        gap: 0.35rem;
    }

    .avg-workbook-gallery__thumb {
        padding: 0.2rem;
    }

    .avg-workbook-gallery__thumb span {
        font-size: 0.62rem;
    }

    .avg-workbook-lightbox {
        width: 100vw;
        height: 100vh;
        border: 0;
        border-radius: 0;
    }

    .avg-workbook-lightbox__topbar {
        gap: 0.55rem;
        padding-left: 0.75rem;
    }

    .avg-workbook-lightbox__stage {
        padding: 0.75rem;
    }

    .avg-workbook-lightbox__nav--prev {
        left: 0.35rem;
    }

    .avg-workbook-lightbox__nav--next {
        right: 0.35rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .avg-workbook-gallery__track {
        scroll-behavior: auto;
    }

    .avg-workbook-gallery__control,
    .avg-workbook-gallery__thumb,
    .avg-workbook-lightbox__close,
    .avg-workbook-lightbox__nav {
        transition: none;
    }
}