/* Общая карусель и сбалансированная сетка для страниц фотосерий. */
.series-gallery-page .ticker-section {
    width: 100%;
    overflow: hidden;
    padding: 20px 0 40px;
    position: relative;
}

.series-gallery-page .photo-ticker {
    width: 100vw;
    max-width: 100%;
    overflow-x: auto;
    display: flex;
    position: relative;
    scrollbar-width: none;
    cursor: grab;
    user-select: none;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
    overscroll-behavior-x: contain;
    mask-image: linear-gradient(to right, transparent, black 6%, black 94%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 6%, black 94%, transparent);
}

.series-gallery-page .photo-ticker::-webkit-scrollbar {
    display: none;
}

.series-gallery-page .photo-ticker:active {
    cursor: grabbing;
}

.series-gallery-page .ticker-track {
    display: flex;
    gap: 20px;
    width: max-content;
}

.series-gallery-page .ticker-item {
    width: 280px;
    height: 400px;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 10px 25px rgba(44, 37, 35, 0.1);
    background-color: var(--card-bg);
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.series-gallery-page .ticker-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(44, 37, 35, 0.15);
}

.series-gallery-page .ticker-item img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    pointer-events: none;
}

.series-gallery-page .toggle-gallery-wrapper {
    text-align: center;
    padding: 10px 20px 50px;
}

.series-gallery-page .pinterest-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 10px 20px 80px;
}

.series-gallery-page .pinterest-title {
    width: 100%;
    margin-bottom: 35px;
    color: var(--espresso);
    text-align: center;
    font-size: 2.2rem;
}

.series-gallery-page .pinterest-series-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
}

.series-gallery-page .pinterest-masonry {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
    gap: 12px;
    width: 100%;
}

.series-gallery-page .pinterest-column {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 0;
}

.series-gallery-page .pinterest-masonry[data-balance-bottom="true"] {
    align-items: stretch;
}

.series-gallery-page .pinterest-masonry[data-balance-bottom="true"] > .pinterest-column {
    height: 100%;
}

.series-gallery-page .pinterest-masonry[data-balance-bottom="true"] > .pinterest-column > .pinterest-item {
    flex-grow: 1;
}

.series-gallery-page .pinterest-item {
    display: block;
    width: 100%;
    margin: 0;
    overflow: hidden;
    border-radius: 6px;
    background-color: var(--card-bg);
    box-shadow: 0 4px 12px rgba(44, 37, 35, 0.06);
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.series-gallery-page .pinterest-item.is-vertical {
    aspect-ratio: 3 / 4;
}

.series-gallery-page .pinterest-item.is-horizontal {
    aspect-ratio: 4 / 3;
}

.series-gallery-page .pinterest-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 22px rgba(44, 37, 35, 0.14);
}

.series-gallery-page .pinterest-item img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.series-gallery-page .sticky-collapse-btn {
    position: fixed;
    bottom: 25px;
    left: 50%;
    z-index: 9999;
    padding: 12px 28px;
    transform: translateX(-50%) translateY(80px);
    visibility: hidden;
    opacity: 0;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    background-color: var(--espresso);
    color: var(--card-bg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.4s ease;
}

.series-gallery-page .sticky-collapse-btn.active {
    transform: translateX(-50%) translateY(0);
    visibility: visible;
    opacity: 1;
}

.series-gallery-page .sticky-collapse-btn:hover {
    background-color: var(--sage);
}

@media (max-width: 768px) {
    .series-gallery-page .ticker-item {
        width: 220px;
        height: 320px;
    }

    .series-gallery-page .ticker-track {
        gap: 12px;
    }

    .series-gallery-page .pinterest-section {
        padding-right: 10px;
        padding-left: 10px;
    }

    .series-gallery-page .pinterest-masonry {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
    }

    .series-gallery-page .pinterest-series-list {
        gap: 8px;
    }

    .series-gallery-page .pinterest-column {
        gap: 8px;
    }

    .series-gallery-page .pinterest-title {
        font-size: 1.8rem;
    }
}