/* =========================================
   GLOBAL VARIABLES USED BY SLIDER & VIEWER
   ========================================= */
:root {
    /* Primary Colors */
    --wp-img-slider-primary: #111;
    --wp-img-slider-primary-dark: #111;
    --wp-img-slider-primary-rgb: 0, 0, 0; /* Для использования с rgba() */

    /* Basic Colors & RGB */
    --wp-img-slider-white: #ffffff;
    --wp-img-slider-white-rgb: 255, 255, 255;
    --wp-img-slider-black-rgb: 0, 0, 0;
    --wp-img-slider-transparent: transparent;

    /* Text Colors */
    --wp-img-slider-text-dark: #333333;
    --wp-img-slider-text-muted: #adb5bd;

    /* Backgrounds & Borders */
    --wp-img-slider-bg-main: #f8f9fa;
    --wp-img-slider-bg-ad-end: #e9ecef;
    --wp-img-slider-bg-ad-hover: #fff5f7;
    --wp-img-slider-border-light: #eeeeee;
    --wp-img-slider-border-ad: #dee2e6;

    /* Skeleton Loader */
    --wp-img-slider-skeleton-light: #f0f0f0;
    --wp-img-slider-skeleton-dark: #e0e0e0;

    /* Layout */
    --wp-img-slider-radius-lg: 16px;
}

/* ============================================
   MAIN WRAPPER & GENERATED AD BLOCKS
   ============================================ */
.modern-viewer-wrapper {
    box-shadow: 0 8px 32px rgba(var(--wp-img-slider-black-rgb), 0.12);
    border-radius: var(--wp-img-slider-radius-lg);
    overflow: hidden;
    background: var(--wp-img-slider-white);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
    max-width: 100%;
    min-width: 0;
}

.image-slider,
.image-slider__body,
.image-slider__main,
.image-slider__container {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.ad-banner-side-ad {
    background: linear-gradient(135deg, var(--wp-img-slider-bg-main) 0%, var(--wp-img-slider-bg-ad-end) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--wp-img-slider-text-muted);
    font-weight: 600;
    font-size: 16px;
    text-align: center;
    border: 2px dashed var(--wp-img-slider-border-ad);
    border-radius: var(--wp-img-slider-radius-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 255px;
    height: 250px;
}

.ad-banner-side-ad:hover {
    border-color: var(--wp-img-slider-primary);
    background: linear-gradient(135deg, var(--wp-img-slider-bg-ad-hover) 0%, var(--wp-img-slider-bg-main) 100%);
}

@media (max-width: 768px) {
    .modern-viewer-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        border-radius: 10px !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }
}

/* ============================================
   IMAGE SLIDER WITH THUMBNAILS
   ============================================ */
.image-slider {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    background: var(--wp-img-slider-white);
    border-radius: var(--wp-img-slider-radius-lg);
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(var(--wp-img-slider-black-rgb), 0.12);
}

.image-slider__body {
    display: flex;
    justify-content: space-between;
}

/* Скрываем исходные элементы до инициализации слайдера */
.catalog-gallery > a,
.catalog-gallery > a > img,
.image-slider > a,
.image-slider > a > img {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    position: absolute !important;
    left: -9999px !important;
    width: 0 !important;
    height: 0 !important;
}

/* Основной слайдер */
.image-slider__main {
    position: relative;
    width: 100%;
    background: var(--wp-img-slider-bg-main);
    overflow: hidden;
    margin: auto;
}

.image-slider__container {
    position: relative;
    width: 100%;
    display: flex;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    min-height: 500px;
}

@media (min-width: 768px) {
    .image-slider__container {
        aspect-ratio: 4 / 3;
        min-height: 400px;
    }
    .image-slider__main {
        width: 100%;
    }
}

@media (min-width: 1024px) {
    .image-slider__container {
        aspect-ratio: 16 / 9;
        min-height: 600px;
        max-height: 800px;
    }
}

@media (min-width: 1300px) { /* Ориентируемся на DESKTOP_MIN_WIDTH из JS */
    .image-slider__main {
        /* width: 46%; */
    }
}

@media (max-width: 1299px) {
    .image-slider__main {
        width: 100%;
    }
}

/* Слайды */
.image-slider__slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 300ms ease-out;
    pointer-events: none;
}

.image-slider__slide[aria-hidden="false"] {
    position: relative;
    opacity: 1;
    pointer-events: auto;
}

.image-slider__slide--active {
    pointer-events: auto;
}

/* Slide transition */
.image-slider__container:not(.image-slider__container--fade) .image-slider__slide {
    position: absolute;
    transform: translateX(100%);
    transition: transform 300ms ease-out;
}

.image-slider__container:not(.image-slider__container--fade) .image-slider__slide[aria-hidden="false"] {
    transform: translateX(0);
}

/* Fade transition */
.image-slider__container--fade .image-slider__slide {
    position: absolute;
    opacity: 0;
    transition: opacity 300ms ease-out;
}

.image-slider__container--fade .image-slider__slide--active {
    opacity: 1;
}

.image-slider__image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    display: block;
    user-select: none;
    -webkit-user-drag: none;
}

.image-slider__img {
    pointer-events: none;
}

.image-slider__slide--active .image-slider__img,
.image-slider__slide--active .image-slider__image {
    pointer-events: auto;
    cursor: zoom-in;
}

/* Skeleton loader */
.image-slider__skeleton {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--wp-img-slider-skeleton-light) 25%, var(--wp-img-slider-skeleton-dark) 50%, var(--wp-img-slider-skeleton-light) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    z-index: 1;
}

.image-slider__skeleton[style*="display: none"] {
    display: none !important;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Навигация (стрелки) */
.image-slider__navigation {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: none;
    pointer-events: none;
    z-index: 10;
}

@media (min-width: 768px) {
    .image-slider__navigation {
        display: block;
    }
}

.image-slider__nav-btn {
    position: absolute;
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--wp-img-slider-white-rgb), 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(var(--wp-img-slider-black-rgb), 0.1);
    border-right-color: transparent;
    border-radius: 50%;
    color: var(--wp-img-slider-text-dark);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: auto;
    padding: 0;
    margin: 0;
    outline: none;
    box-shadow: 0 4px 12px rgba(var(--wp-img-slider-black-rgb), 0.15);
}

.image-slider__nav-btn:hover,
.image-slider__nav-btn:focus {
    background: rgba(var(--wp-img-slider-primary-rgb), 0.9);
    border-color: var(--wp-img-slider-primary);
    border: none;
    color: var(--wp-img-slider-white);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(var(--wp-img-slider-primary-rgb), 0.4);
    background-color: #fff;
    color: var(--wp-img-slider-text-dark);
}
.image-slider__nav-btn:focus {
    color: var(--wp-img-slider-text-dark);
    background-color: #fff;
}

.image-slider__nav-btn:active {
    transform: scale(0.95);
}

.image-slider__nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.image-slider__nav-btn svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
}

.image-slider__nav-btn--prev {
    left: 20px;
}

.image-slider__nav-btn--next {
    right: 20px;
}

/* Индикатор */
.image-slider__indicator {
    position: absolute;
    top: 2px;
    left: 2px;
    bottom: auto;
    right: auto;
    transform: none;
    opacity: .75;
    color: rgba(var(--wp-img-slider-white-rgb), 0.9);
    background: rgba(var(--wp-img-slider-black-rgb), 0.35);
    padding: 6px 10px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 14px;
    z-index: 9999;
    pointer-events: none;
}

@media (max-width: 1024px) {
    .image-slider__indicator {
        z-index: 1 !important;
    }
}

/* Миниатюры */
.image-slider__thumbnails {
    width: 100%;
    background: var(--wp-img-slider-white);
    padding: 12px;
    border-top: 1px solid var(--wp-img-slider-border-light);
    overflow: hidden;
}

.image-slider__thumbnails-container {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    touch-action: pan-x;
    scrollbar-width: thin;
    scrollbar-color: rgba(var(--wp-img-slider-primary-rgb), 0.3) var(--wp-img-slider-transparent);
    padding-top: 2px;
    padding-bottom: 2px;
    padding-left: 2px;
    padding-right: 2px;
}

.image-slider__thumbnails-container::-webkit-scrollbar {
    height: 4px;
}

.image-slider__thumbnails-container::-webkit-scrollbar-track {
    background: var(--wp-img-slider-transparent);
}

.image-slider__thumbnails-container::-webkit-scrollbar-thumb {
    background: rgba(var(--wp-img-slider-primary-rgb), 0.3);
    border-radius: 2px;
}

.image-slider__thumbnails-container::-webkit-scrollbar-thumb:hover {
    background: rgba(var(--wp-img-slider-primary-rgb), 0.5);
}

.image-slider__thumbnail {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    min-width: 60px;
    min-height: 60px;
    padding: 2px;
    border: 2px solid var(--wp-img-slider-transparent);
    border-radius: 8px;
    background: var(--wp-img-slider-transparent);
    cursor: pointer;
    transition: all 0.2s ease-out;
    overflow: hidden;
    outline: none;
    position: relative;
}

@media (min-width: 768px) {
    .image-slider__thumbnail {
        width: 80px;
        height: 80px;
        min-width: 80px;
        min-height: 80px;
    }
}

.image-slider__thumbnail:hover {
    border-color: rgba(var(--wp-img-slider-primary-rgb), 0.4);
    transform: scale(1.05);
}

.image-slider__thumbnail--active {
    border-color: var(--wp-img-slider-primary);
    box-shadow: 0 0 0 2px rgba(var(--wp-img-slider-primary-rgb), 0.1), 0 4px 12px rgba(var(--wp-img-slider-primary-rgb), 0.2);
}

.image-slider__thumbnail--active:hover {
    transform: none;
}

.image-slider__thumbnail-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 6px;
    display: block;
    pointer-events: none;
}

/* Нумерация миниатюр */
.image-slider__thumbs,
.image-slider__thumbnails,
.catalog-thumbs,
.catalog-thumbnails {
    counter-reset: page;
}

.image-slider__thumb,
.image-slider__thumbs a,
.image-slider__thumbs button,
.image-slider__thumbnails a,
.image-slider__thumbnails button,
.catalog-thumbs a,
.catalog-thumbnails a {
    counter-increment: page;
    position: relative;
}

.image-slider__thumb::after,
.image-slider__thumbs a::after,
.image-slider__thumbs button::after,
.image-slider__thumbnails a::after,
.image-slider__thumbnails button::after,
.catalog-thumbs a::after,
.catalog-thumbnails a::after {
    content: counter(page);
    position: absolute;
    left: 6px;
    top: 6px;
    font-size: 12px;
    font-weight: 700;
    line-height: 1;
    padding: 4px 6px;
    border-radius: 999px;
    color: rgba(var(--wp-img-slider-white-rgb), 0.95);
    background: rgba(var(--wp-img-slider-black-rgb), 0.35);
    pointer-events: none;
    z-index: 2;
}

/* Позиции миниатюр */
.image-slider__thumbnails--bottom {
    order: 2;
}

@media (min-width: 1024px) {
    .image-slider__thumbnails--left {
        order: 0;
        width: auto;
        padding: 12px;
        border-top: none;
        border-right: 1px solid var(--wp-img-slider-border-light);
    }

    .image-slider__thumbnails--left .image-slider__thumbnails-container {
        flex-direction: column;
        overflow-x: hidden;
        overflow-y: auto;
        max-height: 600px;
        scroll-snap-type: y proximity;
        touch-action: pan-y;
    }

    .image-slider__thumbnails--left .image-slider__thumbnail {
        width: 80px;
        height: 80px;
        min-width: 80px;
        min-height: 80px;
    }

    .image-slider:has(.image-slider__thumbnails--left) {
        flex-direction: row;
    }

    .image-slider:has(.image-slider__thumbnails--left) .image-slider__main {
        flex: 1;
    }
}

@media (min-width: 1024px) {
    .image-slider__thumbnails--right {
        order: 3;
        width: auto;
        padding: 12px;
        border-top: none;
        border-left: 1px solid var(--wp-img-slider-border-light);
    }

    .image-slider__thumbnails--right .image-slider__thumbnails-container {
        flex-direction: column;
        overflow-x: hidden;
        overflow-y: auto;
        max-height: 600px;
        scroll-snap-type: y proximity;
        touch-action: pan-y;
    }

    .image-slider__thumbnails--right .image-slider__thumbnail {
        width: 80px;
        height: 80px;
        min-width: 80px;
        min-height: 80px;
    }

    .image-slider:has(.image-slider__thumbnails--right) {
        flex-direction: row;
    }

    .image-slider:has(.image-slider__thumbnails--right) .image-slider__main {
        flex: 1;
    }
}

/* Mobile адаптивность слайдера */
@media (max-width: 768px) {
    .image-slider {
        border-radius: 10px;
    }

    .image-slider__main {
        border-radius: 10px 10px 0 0;
        width: 100%;
    }

    .image-slider__thumbnails {
        padding: 8px;
    }

    .image-slider__thumbnails-container {
        gap: 8px;
    }

    .image-slider__thumbnail {
        width: 56px;
        height: 56px;
        min-width: 56px;
        min-height: 56px;
    }
}

/* Доступность и Prefers-Reduced-Motion */
.image-slider__thumbnail:focus-visible,
.image-slider__nav-btn:focus-visible {
    outline: 2px solid var(--wp-img-slider-primary);
    outline-offset: 2px;
}

.image-slider__slide[aria-hidden="true"] {
    visibility: hidden;
}

@media (prefers-reduced-motion: reduce) {
    .image-slider__slide,
    .image-slider__thumbnail,
    .image-slider__nav-btn {
        transition: none;
    }

    .image-slider__thumbnails-container {
        scroll-behavior: auto;
    }
}

/* ============================================
   FULLSCREEN VIEWER
   ============================================ */
.catalog-fullscreen-viewer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 999999;
    display: none;
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

.catalog-fullscreen-viewer.active {
    display: block;
    opacity: 1;
}

.viewer-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(var(--wp-img-slider-black-rgb), 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    cursor: pointer;
}

.viewer-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    z-index: 1;
}

.viewer-toolbar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: linear-gradient(to bottom, rgba(var(--wp-img-slider-black-rgb), 0.8) 0%, rgba(var(--wp-img-slider-black-rgb), 0.4) 70%, var(--wp-img-slider-transparent) 100%);
    z-index: 10;
    gap: 12px;
    flex-wrap: wrap;
}

.viewer-btn {
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--wp-img-slider-white-rgb), 0.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(var(--wp-img-slider-white-rgb), 0.2);
    border-radius: 50%;
    color: var(--wp-img-slider-white);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0;
    margin: 0;
    outline: none;
}

.viewer-btn:hover,
.viewer-btn:focus {
    background: rgba(var(--wp-img-slider-primary-rgb), 0.9);
    border-color: var(--wp-img-slider-primary);
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(var(--wp-img-slider-primary-rgb), 0.4);
}

.viewer-btn:active {
    transform: scale(0.95);
}

.viewer-btn svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
}

.viewer-nav-group,
.viewer-zoom-group {
    display: flex;
    gap: 8px;
    align-items: center;
}

.viewer-info {
    margin-left: auto;
    display: flex;
    align-items: center;
}

.viewer-counter {
    color: var(--wp-img-slider-white);
    font-size: 14px;
    font-weight: 600;
    background: rgba(var(--wp-img-slider-black-rgb), 0.5);
    padding: 8px 16px;
    border-radius: 20px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

@media (max-width: 1024px) {
    .viewer-counter,
    .catalog-viewer__counter,
    .catalog-counter {
        z-index: 1 !important;
    }
}

.viewer-image-wrapper {
    position: relative;
    flex: 1;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 80px 20px 20px;
    box-sizing: border-box;
}

.viewer-image {
    max-width: 95vw;
    max-height: 85vh;
    width: auto;
    height: auto;
    object-fit: contain;
    cursor: zoom-in;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
    user-select: none;
    -webkit-user-drag: none;
    transform-origin: center center;
    box-shadow: 0 8px 32px rgba(var(--wp-img-slider-black-rgb), 0.3);
}

.viewer-image[style*="scale"] {
    cursor: grab;
}

.viewer-image:active {
    cursor: grabbing;
}

.viewer-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--wp-img-slider-white);
    z-index: 5;
}

.viewer-loader p {
    margin: 0;
    font-size: 16px;
    font-weight: 500;
}

.viewer-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(var(--wp-img-slider-white-rgb), 0.3);
    border-top-color: var(--wp-img-slider-white);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

body.viewer-open,
html.viewer-open {
    overflow: hidden !important;
}

body.viewer-open {
    position: fixed !important;
    width: 100% !important;
    height: 100% !important;
}

/* Viewer Mobile адаптивность */
@media (max-width: 768px) {
    .catalog-fullscreen-viewer {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }

    .viewer-toolbar {
        padding: 12px 16px;
        padding-top: calc(12px + env(safe-area-inset-top));
        gap: 8px;
    }

    .viewer-btn {
        width: 40px;
        height: 40px;
        min-width: 40px;
        min-height: 40px;
    }

    .viewer-btn svg {
        width: 18px;
        height: 18px;
    }

    .viewer-image-wrapper {
        padding: 70px 10px 10px;
        padding-top: calc(70px + env(safe-area-inset-top));
        padding-bottom: calc(10px + env(safe-area-inset-bottom));
    }

    .viewer-image {
        max-width: 100vw;
        max-height: 80vh;
    }

    .viewer-counter {
        font-size: 12px;
        padding: 6px 12px;
    }

    .viewer-nav-group,
    .viewer-zoom-group {
        gap: 6px;
    }
}