/* =====================================================
   NovaPDP Gallery — Premium Product Image Gallery
   ===================================================== */

/* ─── Gallery Container ─── */
.nova-gallery {
    position: relative;
    display: flex;
    gap: 12px;
    user-select: none;
    -webkit-user-select: none;
}

.nova-gallery--side {
    flex-direction: row;
}

.nova-gallery--bottom {
    flex-direction: column;
}

/* ─── Main Image Viewport ─── */
.nova-gallery__viewport {
    position: relative;
    flex: 1 1 0%;
    min-width: 0;
    overflow: hidden;
    border-radius: 14px;
    background: linear-gradient(135deg, #f8f9fb 0%, #eef0f4 100%);
    cursor: crosshair;
}

.nova-gallery__viewport::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 14px;
    border: 1px solid rgba(0,0,0,.06);
    pointer-events: none;
    z-index: 1;
}

.nova-gallery__main-img {
    display: block;
    width: 100%;
    height: 440px;
    object-fit: contain;
    transition: opacity .25s ease, transform .35s cubic-bezier(.25,.1,.25,1);
    will-change: transform, opacity;
}

.nova-gallery__viewport.is-zoomed .nova-gallery__main-img {
    cursor: zoom-out;
}

/* Zoom lens overlay (magnifier glass effect) */
.nova-gallery__zoom-lens {
    display: none;
    position: absolute;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    border: 3px solid rgba(255,255,255,.85);
    box-shadow: 0 4px 24px rgba(0,0,0,.18), 0 0 0 1px rgba(0,0,0,.08);
    pointer-events: none;
    z-index: 5;
    overflow: hidden;
    backdrop-filter: blur(1px);
}

.nova-gallery__zoom-lens img {
    position: absolute;
    max-width: none;
    will-change: transform;
}

.nova-gallery__viewport.is-zoomed .nova-gallery__zoom-lens {
    display: block;
}

/* Expand icon overlay */
.nova-gallery__expand-btn {
    position: absolute;
    bottom: 14px;
    right: 14px;
    z-index: 4;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: none;
    background: rgba(255,255,255,.82);
    backdrop-filter: blur(12px) saturate(1.4);
    -webkit-backdrop-filter: blur(12px) saturate(1.4);
    color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background .2s, transform .2s, box-shadow .2s;
    box-shadow: 0 2px 10px rgba(0,0,0,.08);
}

[dir="rtl"] .nova-gallery__expand-btn {
    right: auto;
    left: 14px;
}

.nova-gallery__expand-btn:hover {
    background: rgba(255,255,255,.95);
    transform: scale(1.08);
    box-shadow: 0 4px 18px rgba(0,0,0,.12);
}

/* Image counter badge */
.nova-gallery__counter {
    position: absolute;
    bottom: 14px;
    left: 14px;
    z-index: 4;
    padding: 4px 10px;
    border-radius: 8px;
    background: rgba(0,0,0,.55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #fff;
    font-size: .75rem;
    font-weight: 500;
    letter-spacing: .02em;
    pointer-events: none;
}

[dir="rtl"] .nova-gallery__counter {
    left: auto;
    right: 14px;
}

/* ─── Thumbnail Strip ─── */
.nova-gallery__thumbs {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    scrollbar-width: thin;
    scrollbar-color: rgba(0,0,0,.12) transparent;
}

/* Side layout: vertical strip */
.nova-gallery--side .nova-gallery__thumbs {
    flex-direction: column;
    flex-shrink: 0;
    width: 72px;
    max-height: 440px;
    overflow-y: auto;
    overflow-x: hidden;
    order: -1;
    padding: 2px;
}

[dir="rtl"] .nova-gallery--side .nova-gallery__thumbs {
    order: -1;
}

/* Bottom layout: horizontal strip */
.nova-gallery--bottom .nova-gallery__thumbs {
    flex-direction: row;
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 4px 0;
}

.nova-gallery__thumb-btn {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    padding: 0;
    border: 2px solid transparent;
    border-radius: 10px;
    background: #f5f6f8;
    overflow: hidden;
    cursor: pointer;
    transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
    outline: none;
}

.nova-gallery__thumb-btn:hover {
    border-color: rgba(var(--color-accent-rgb, 101,93,187), .4);
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
    transform: scale(1.06);
}

.nova-gallery__thumb-btn.is-active {
    border-color: var(--color-accent, #655dbb);
    box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb, 101,93,187), .2);
}

.nova-gallery__thumb-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
    border-radius: 8px;
}

/* Scrollbar styling for webkit */
.nova-gallery__thumbs::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

.nova-gallery__thumbs::-webkit-scrollbar-track {
    background: transparent;
}

.nova-gallery__thumbs::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,.12);
    border-radius: 4px;
}

/* ─── Loading Shimmer ─── */
.nova-gallery__viewport.is-loading::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 3;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255,255,255,.5) 50%,
        transparent 100%
    );
    background-size: 200% 100%;
    animation: nova-gallery-shimmer 1.5s infinite;
}

@keyframes nova-gallery-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ─── Fullscreen Premium Lightbox ─── */
.nova-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: rgba(8,8,16,.88);
    backdrop-filter: blur(28px) saturate(1.4);
    -webkit-backdrop-filter: blur(28px) saturate(1.4);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity .3s ease;
}

.nova-lightbox.is-open {
    display: flex;
    opacity: 1;
}

.nova-lightbox__close {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 10;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,.12);
    backdrop-filter: blur(8px);
    color: #fff;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background .2s, transform .2s;
}

[dir="rtl"] .nova-lightbox__close {
    right: auto;
    left: 20px;
}

.nova-lightbox__close:hover {
    background: rgba(255,255,255,.25);
    transform: scale(1.1);
}

/* Main lightbox image */
.nova-lightbox__stage {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-height: calc(100vh - 120px);
    overflow: hidden;
    touch-action: pan-y pinch-zoom;
}

.nova-lightbox__img {
    max-width: 92vw;
    max-height: calc(100vh - 140px);
    object-fit: contain;
    border-radius: 6px;
    user-select: none;
    -webkit-user-select: none;
    transition: transform .3s cubic-bezier(.25,.1,.25,1), opacity .2s ease;
    will-change: transform;
    cursor: grab;
}

.nova-lightbox__img.is-zoomed {
    cursor: zoom-out;
    transform: scale(2);
}

/* Navigation arrows */
.nova-lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,.1);
    backdrop-filter: blur(8px);
    color: #fff;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background .2s, transform .2s;
}

.nova-lightbox__nav:hover {
    background: rgba(255,255,255,.22);
    transform: translateY(-50%) scale(1.08);
}

.nova-lightbox__nav--prev {
    left: 20px;
}

.nova-lightbox__nav--next {
    right: 20px;
}

[dir="rtl"] .nova-lightbox__nav--prev {
    left: auto;
    right: 20px;
}

[dir="rtl"] .nova-lightbox__nav--next {
    right: auto;
    left: 20px;
}

/* Lightbox thumbnails rail */
.nova-lightbox__thumbs-rail {
    flex-shrink: 0;
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: center;
    padding: 14px 0 18px;
    overflow-x: auto;
    max-width: 100%;
    scrollbar-width: none;
}

.nova-lightbox__thumbs-rail::-webkit-scrollbar {
    display: none;
}

.nova-lightbox__lb-thumb {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 8px;
    border: 2px solid transparent;
    background: rgba(255,255,255,.08);
    overflow: hidden;
    padding: 0;
    cursor: pointer;
    transition: border-color .2s, opacity .2s, transform .2s;
    opacity: .55;
}

.nova-lightbox__lb-thumb:hover {
    opacity: .85;
    transform: scale(1.06);
}

.nova-lightbox__lb-thumb.is-active {
    border-color: var(--color-accent, #655dbb);
    opacity: 1;
    box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb, 101,93,187), .35);
}

.nova-lightbox__lb-thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 6px;
    pointer-events: none;
}

/* Lightbox counter */
.nova-lightbox__lb-counter {
    position: absolute;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,.6);
    font-size: .85rem;
    font-weight: 500;
    letter-spacing: .05em;
    z-index: 10;
}

/* ─── Slide Transitions ─── */
.nova-gallery__main-img.slide-left {
    animation: novaSlideLeft .3s ease forwards;
}

.nova-gallery__main-img.slide-right {
    animation: novaSlideRight .3s ease forwards;
}

@keyframes novaSlideLeft {
    0% { transform: translateX(30px); opacity: 0; }
    100% { transform: translateX(0); opacity: 1; }
}

@keyframes novaSlideRight {
    0% { transform: translateX(-30px); opacity: 0; }
    100% { transform: translateX(0); opacity: 1; }
}

/* ─── Responsive ─── */
@media (max-width: 767.98px) {
    .nova-gallery--side {
        flex-direction: column;
    }

    .nova-gallery--side .nova-gallery__thumbs {
        flex-direction: row;
        width: 100%;
        max-height: none;
        overflow-x: auto;
        overflow-y: hidden;
        order: 0;
    }

    .nova-gallery__main-img {
        height: 320px;
    }

    .nova-gallery__thumb-btn {
        width: 52px;
        height: 52px;
    }

    .nova-lightbox__nav {
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }

    .nova-lightbox__nav--prev {
        left: 8px;
    }

    .nova-lightbox__nav--next {
        right: 8px;
    }

    .nova-lightbox__img {
        max-width: 98vw;
    }

    .nova-gallery__zoom-lens {
        display: none !important;
    }
}

/* Hide lightbox body scroll */
body.nova-lightbox-open {
    overflow: hidden;
}

/* ─── Fade-in on load ─── */
.nova-gallery {
    animation: novaGalleryFadeIn .5s ease forwards;
}

@keyframes novaGalleryFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}