.sasek-item-3d-viewer {
    --book-width: min(60%, 360px);
    --book-max-width: 360px;
    --book-depth: 48px;
    --book-ratio: 3 / 4.15;
    width: 100%;
    min-width: 0;
}

#sit_pvi.sasek-item-3d-viewer {
    position: relative;
    display: block;
    width: 100%;
    margin: 0;
    border: 0;
    background: transparent;
    text-align: left;
}

.sasek-item-3d-stage {
    position: relative;
    display: grid;
    place-items: center;
    width: 100%;
    min-height: 560px;
    overflow: hidden;
    border: 2px solid #111;
    background: #f7f0dc;
    box-shadow: 8px 8px 0 #111;
    perspective: 1100px;
    cursor: grab;
    touch-action: pan-y;
    user-select: none;
    -webkit-user-select: none;
}

.sasek-item-3d-stage:active {
    cursor: grabbing;
}

.sasek-item-3d-stage:focus-visible {
    outline: 4px solid #3f6ff0;
    outline-offset: 3px;
}

.sasek-item-3d-book {
    position: relative;
    z-index: 2;
    width: var(--book-width);
    aspect-ratio: var(--book-ratio);
    transform-style: preserve-3d;
    transform: rotateX(var(--sasek-book-x, 4deg)) rotateY(var(--sasek-book-y, -28deg));
    transition: width 420ms ease, transform 420ms ease;
    will-change: transform;
}

.sasek-item-3d-stage.is-dragging .sasek-item-3d-book {
    transition: none;
}

.sasek-item-3d-cover,
.sasek-item-3d-back,
.sasek-item-3d-page,
.sasek-item-3d-spine,
.sasek-item-3d-inside {
    position: absolute;
    display: block;
    transform-style: preserve-3d;
    backface-visibility: hidden;
}

.sasek-item-3d-cover,
.sasek-item-3d-back {
    inset: 0;
    border: 1px solid #111;
}

.sasek-item-3d-cover {
    overflow: hidden;
    background: #fff;
    transform: translateZ(calc(var(--book-depth) / 2));
    transform-origin: left center;
    transition: transform 700ms cubic-bezier(.22, .8, .2, 1), box-shadow 500ms ease;
    box-shadow: 18px 22px 22px rgba(17, 17, 17, .16);
}

.sasek-item-3d-inside {
    top: 0;
    right: 0;
    bottom: 0;
    width: 200%;
    padding: 7% 6%;
    box-sizing: border-box;
    border: 1px solid #bdb5a2;
    background: linear-gradient(90deg, #ede4d1 0, #f7efdf 49.65%, #cfc4ae 49.85%, #b9ad97 50%, #d6cbb6 50.15%, #fffaf0 50.35%, #fffaf0 100%);
    color: #2f392f;
    box-shadow: inset 0 0 34px rgba(80, 62, 35, .1);
    opacity: 0;
    transform: translateZ(calc(var(--book-depth) / 2 - 2px));
    transition: opacity 180ms ease 160ms;
}

.sasek-item-3d-inside-flow {
    display: block;
    height: 100%;
    overflow: hidden;
    column-count: 2;
    column-gap: 14%;
    column-fill: auto;
}

.sasek-item-3d-inside-flow small {
    display: block;
    font-size: 10px;
    font-weight: 700;
    break-after: avoid;
}

.sasek-item-3d-inside-flow strong {
    display: block;
    margin: 5% 0 8%;
    font-size: 20px;
    line-height: 1.3;
    word-break: keep-all;
    break-after: avoid;
}

.sasek-item-3d-copy {
    display: block;
    overflow: visible;
    padding-top: 8%;
    border-top: 1px solid #cfc6b4;
    font-size: 14px;
    line-height: 1.75;
    word-break: keep-all;
}

.sasek-item-3d-viewer.is-open .sasek-item-3d-book {
    width: min(42%, 270px);
    transform: translateX(50%) rotateX(1deg) rotateY(0deg);
}

.sasek-item-3d-viewer.is-open .sasek-item-3d-inside {
    opacity: 1;
}

.sasek-item-3d-viewer.is-open .sasek-item-3d-cover {
    transform: translateZ(calc(var(--book-depth) / 2 + 2px)) rotateY(-178deg);
    box-shadow: none;
}

.sasek-item-3d-cover img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

#sit_pvi.sasek-item-3d-viewer .sasek-item-3d-cover img {
    width: 100%;
    height: 100%;
    max-width: none;
}

.sasek-item-3d-back {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 22px;
    padding: 12%;
    box-sizing: border-box;
    background-color: #f3eddc;
    background-image:
        linear-gradient(rgba(47, 75, 58, .075) 1px, transparent 1px),
        linear-gradient(90deg, rgba(47, 75, 58, .075) 1px, transparent 1px);
    background-size: 28px 28px;
    color: #2f4b3a;
    transform: rotateY(180deg) translateZ(calc(var(--book-depth) / 2));
}

.sasek-item-3d-back img,
#sit_pvi.sasek-item-3d-viewer .sasek-item-3d-back img {
    display: block;
    width: 72%;
    height: auto;
    max-width: 250px;
    filter: saturate(.88);
}

.sasek-item-3d-back small {
    padding-top: 18px;
    border-top: 1px solid rgba(47, 75, 58, .35);
    font-size: 11px;
    line-height: 1.4;
    font-weight: 700;
    text-align: center;
}

.sasek-item-3d-spine {
    top: 0;
    left: calc(var(--book-depth) / -2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: var(--book-depth);
    height: 100%;
    padding: 18px 7px;
    box-sizing: border-box;
    border: 1px solid #111;
    background: #2f4b3a;
    color: #f7f0dc;
    transform: rotateY(-90deg);
    writing-mode: vertical-rl;
    text-orientation: mixed;
}

.sasek-item-3d-spine b {
    max-height: 72%;
    overflow: hidden;
    font-size: 14px;
    line-height: 1.25;
    font-weight: 800;
}

.sasek-item-3d-spine small {
    font-size: 10px;
    letter-spacing: 0;
    opacity: .82;
}

.sasek-item-3d-page {
    background: repeating-linear-gradient(90deg, #fffdf6 0, #fffdf6 3px, #e2dccd 4px);
    border: 1px solid #111;
}

.sasek-item-3d-page-side {
    top: 0;
    right: calc(var(--book-depth) / -2);
    width: var(--book-depth);
    height: 100%;
    transform: rotateY(90deg);
    box-shadow: inset 8px 0 12px rgba(17, 17, 17, .1);
}

.sasek-item-3d-page-top,
.sasek-item-3d-page-bottom {
    left: 0;
    width: 100%;
    height: var(--book-depth);
}

.sasek-item-3d-page-top {
    top: calc(var(--book-depth) / -2);
    transform: rotateX(90deg);
}

.sasek-item-3d-page-bottom {
    bottom: calc(var(--book-depth) / -2);
    transform: rotateX(-90deg);
}

.sasek-item-3d-floor {
    position: absolute;
    z-index: 1;
    left: 50%;
    bottom: 10%;
    width: 54%;
    height: 12%;
    border-radius: 50%;
    background: rgba(17, 17, 17, .2);
    filter: blur(18px);
    transform: translateX(-50%) rotateX(66deg);
    pointer-events: none;
}

.sasek-item-3d-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 2px 0;
    color: #555;
    font-size: 14px;
}

.sasek-item-3d-actions > div {
    display: flex;
    gap: 8px;
}

.sasek-season-3d-stage {
    cursor: default;
}

.sasek-season-book-stack {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 430px;
    transform-style: preserve-3d;
}

.sasek-season-book {
    --season-book-ratio: 3 / 4.15;
    position: absolute;
    top: 50%;
    left: 50%;
    display: block;
    width: min(48%, 290px);
    aspect-ratio: var(--season-book-ratio);
    padding: 0;
    border: 0;
    background: transparent;
    transform-style: preserve-3d;
    transform: translate(-50%, -50%) rotateX(4deg) rotateY(-24deg);
    opacity: 0;
    pointer-events: none;
    transition: transform 620ms cubic-bezier(.22, .8, .2, 1), opacity 420ms ease, filter 420ms ease;
    will-change: transform;
}

.sasek-season-book.is-active {
    z-index: 4;
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, -50%) rotateX(4deg) rotateY(-24deg) scale(1);
    filter: none;
}

.sasek-season-book.is-prev,
.sasek-season-book.is-next {
    z-index: 2;
    opacity: 0;
    pointer-events: none;
    filter: saturate(.65) brightness(.9);
}

.sasek-season-book.is-prev {
    transform: translate(-145%, -50%) rotateX(3deg) rotateY(58deg) rotateZ(-3deg) scale(.78);
}

.sasek-season-book.is-next {
    transform: translate(45%, -50%) rotateX(3deg) rotateY(-58deg) rotateZ(3deg) scale(.78);
}

.sasek-season-book-cover,
.sasek-season-book-pages {
    position: absolute;
    display: block;
    inset: 0;
    border: 1px solid #111;
    backface-visibility: hidden;
}

.sasek-season-book-cover {
    z-index: 2;
    overflow: hidden;
    background: #fff;
    transform: translateZ(17px);
    box-shadow: 17px 20px 24px rgba(17, 17, 17, .2);
}

.sasek-season-book-cover img,
#sit_pvi.sasek-season-3d-viewer .sasek-season-book-cover img {
    display: block;
    width: 100%;
    height: 100%;
    max-width: none;
    object-fit: cover;
    pointer-events: none;
}

.sasek-season-book-pages {
    z-index: 1;
    background: repeating-linear-gradient(90deg, #fffdf6 0, #fffdf6 3px, #ded6c5 4px);
    transform: translate(13px, 5px) translateZ(-15px);
    box-shadow: 9px 10px 0 #2f4b3a, 14px 15px 18px rgba(17, 17, 17, .22);
}

.sasek-season-3d-caption {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 5px 18px;
    min-height: 82px;
    padding: 17px 20px;
    box-sizing: border-box;
    border: 2px solid #111;
    border-top: 0;
    background: #fffaf0;
}

.sasek-season-3d-caption > span {
    grid-column: 1 / -1;
    color: #52624d;
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0;
}

.sasek-season-3d-caption strong {
    min-width: 0;
    overflow: hidden;
    color: #111;
    font-size: 18px;
    font-weight: 950;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sasek-season-3d-caption small {
    color: #555;
    font-size: 13px;
    font-weight: 750;
    white-space: nowrap;
}

.sasek-season-prev,
.sasek-season-next {
    display: inline-grid;
    place-items: center;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 2px solid #111;
    border-radius: 50%;
    background: #fff;
    color: #111;
    cursor: pointer;
}

.sasek-season-prev:hover,
.sasek-season-next:hover,
.sasek-season-prev:focus-visible,
.sasek-season-next:focus-visible {
    background: #b5d96f;
}

.sasek-item-3d-reset,
.sasek-item-3d-expand,
.sasek-item-3d-toggle {
    /* display: inline-grid; */
    place-items: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 2px solid #111;
    border-radius: 50%;
    background: #fff;
    color: #111;
    font-size: 16px;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
}

.sasek-item-3d-toggle {
    width: 150px;
    padding: 0 14px;
    border-radius: 20px;
    gap: 7px;
    font-family: inherit;
    font-weight: 800;
}

.sasek-item-3d-reset:hover,
.sasek-item-3d-expand:hover,
.sasek-item-3d-toggle:hover,
.sasek-item-3d-reset:focus-visible,
.sasek-item-3d-expand:focus-visible,
.sasek-item-3d-toggle:focus-visible,
.sasek-item-3d-toggle[aria-expanded="true"] {
    background: #b5d96f;
    color: #111;
}

@media (max-width: 767px) {
    .sasek-item-3d-viewer {
        --book-width: min(60%, 270px);
        --book-max-width: 270px;
        --book-depth: 34px;
        padding: 0 20px;
        box-sizing: border-box;
    }

    #sit_pvi.sasek-item-3d-viewer {
        width: 100%;
    }

    .sasek-item-3d-stage {
        min-height: min(116vw, 500px);
        border-width: 2px;
        box-shadow: 6px 6px 0 #111;
    }

    .sasek-item-3d-actions {
        font-size: 13px;
    }

    .sasek-item-3d-spine {
        padding: 12px 5px;
    }

    .sasek-item-3d-spine b {
        font-size: 11px;
    }

    .sasek-item-3d-viewer.is-open .sasek-item-3d-book {
        width: min(42%, 180px);
    }

    .sasek-item-3d-inside {
        padding: 8% 7%;
    }

    .sasek-item-3d-inside-flow {
        column-gap: 13%;
    }

    .sasek-item-3d-inside-flow strong {
        margin: 4% 0 7%;
        font-size: 15px;
    }

    .sasek-item-3d-copy {
        font-size: 11px;
        line-height: 1.55;
    }

    .sasek-item-3d-toggle span {
        display: none;
    }

    .sasek-item-3d-toggle {
        width: 40px;
        padding: 0;
    }

    .sasek-season-book-stack {
        height: min(92vw, 390px);
    }

    .sasek-season-book {
        width: min(56%, 230px);
    }

    .sasek-season-book.is-prev {
        transform: translate(-135%, -50%) rotateX(3deg) rotateY(58deg) rotateZ(-3deg) scale(.74);
    }

    .sasek-season-book.is-next {
        transform: translate(35%, -50%) rotateX(3deg) rotateY(-58deg) rotateZ(3deg) scale(.74);
    }

    .sasek-season-3d-caption {
        grid-template-columns: 1fr;
        padding: 14px 16px;
    }

    .sasek-season-3d-caption strong,
    .sasek-season-3d-caption small {
        white-space: normal;
    }

}

@media (prefers-reduced-motion: reduce) {
    .sasek-item-3d-book {
        transition: none;
    }
}