/* ============================================================
   CPG – Custom Product Gallery
   File: gallery.css
   ============================================================ */

/* ── Reset & Base ── */
.cpg-gallery-wrap *,
.cpg-gallery-wrap *::before,
.cpg-gallery-wrap *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.cpg-gallery-wrap {
    --cpg-accent:        #f0a500;
    --cpg-dark:          #111111;
    --cpg-mid:           #444444;
    --cpg-light:         #f5f5f5;
    --cpg-white:         #ffffff;
    --cpg-border:        #e0e0e0;
    --cpg-radius:        10px;
    --cpg-thumb-size:    88px;
    --cpg-transition:    0.28s cubic-bezier(0.4, 0, 0.2, 1);
    --cpg-shadow:        0 4px 24px rgba(0,0,0,0.12);
    --cpg-arrow-size:    40px;

    width: 100%;
    max-width: 700px;
    font-family: inherit;
    user-select: none;
}

/* ============================================================
   MAIN VIEWER
   ============================================================ */
.cpg-main-viewer {
    position: relative;
    width: 100%;
    height: 300px;
    background: transparent;        /* no black gap ever */
    border-radius: var(--cpg-radius);
    overflow: hidden;
    box-shadow: var(--cpg-shadow);
}

/* ── Track & Slides ── */
.cpg-main-track {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.cpg-main-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 300px;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--cpg-transition), transform var(--cpg-transition);
    transform: translateX(40px);
}

.cpg-main-slide.is-active {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
}

.cpg-main-slide.slide-out-left {
    opacity: 0;
    transform: translateX(-40px);
}

/* ── Zoom Wrapper ── */
.cpg-zoom-wrap {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
    cursor: zoom-in;
}

.cpg-zoom-wrap.is-zoomed {
    cursor: zoom-out;
}

.cpg-main-img {
    width: 100% !important;
    height: 100% !important;   /* override WooCommerce/theme "height: auto" rule */
    object-fit: cover !important;
    object-position: center;
    display: block;
    transition: transform 0.1s linear;
    transform-origin: var(--cpg-ox, 50%) var(--cpg-oy, 50%);
    will-change: transform;
}

.cpg-zoom-wrap.is-zoomed .cpg-main-img {
    transform: scale(2);
}

/* ── Lightbox trigger icon (top-right of main) ── */
.cpg-lightbox-trigger {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.85);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cpg-dark);
    text-decoration: none;
    opacity: 0;
    transform: scale(0.8);
    transition: opacity var(--cpg-transition), transform var(--cpg-transition), background var(--cpg-transition);
    backdrop-filter: blur(4px);
    z-index: 5;
    box-shadow: 0 2px 10px rgba(0,0,0,0.18);
}

.cpg-main-slide:hover .cpg-lightbox-trigger,
.cpg-main-slide.is-active:focus-within .cpg-lightbox-trigger {
    opacity: 1;
    transform: scale(1);
}

.cpg-lightbox-trigger:hover {
    background: var(--cpg-accent);
    color: var(--cpg-white);
}

.cpg-lightbox-trigger svg {
    width: 18px;
    height: 18px;
}

/* ── Main Navigation Arrows ── */
.cpg-main-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: var(--cpg-arrow-size);
    height: var(--cpg-arrow-size);
    border: none;
    border-radius: 50%;
    background: rgba(255,255,255,0.92);
    color: var(--cpg-dark);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 12px rgba(0,0,0,0.18);
    transition: background var(--cpg-transition), color var(--cpg-transition), transform var(--cpg-transition), opacity var(--cpg-transition);
    opacity: 0;
    backdrop-filter: blur(4px);
}

.cpg-main-viewer:hover .cpg-main-arrow {
    opacity: 1;
}

.cpg-main-prev { left: 12px; }
.cpg-main-next { right: 12px; }

.cpg-main-arrow:hover {
    background: var(--cpg-accent);
    color: var(--cpg-white);
    transform: translateY(-50%) scale(1.1);
}

.cpg-main-arrow:active {
    transform: translateY(-50%) scale(0.96);
}

.cpg-main-arrow svg {
    width: 18px;
    height: 18px;
    pointer-events: none;
}

.cpg-main-arrow:disabled {
    opacity: 0.25 !important;
    cursor: not-allowed;
}

/* ── Dot Indicators ── */
.cpg-dots {
    position: absolute;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 10;
}

.cpg-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.55);
    cursor: pointer;
    padding: 0;
    transition: background var(--cpg-transition), transform var(--cpg-transition);
}

.cpg-dot.is-active {
    background: var(--cpg-white);
    transform: scale(1.35);
}

.cpg-dot:hover:not(.is-active) {
    background: rgba(255,255,255,0.85);
}

/* ============================================================
   THUMBNAIL SECTION
   ============================================================ */
.cpg-thumb-section {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 10px;
    position: relative;
}

/* ── Thumbnail Arrows ── */
.cpg-thumb-arrow {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border: 1.5px solid var(--cpg-border);
    border-radius: 50%;
    background: var(--cpg-white);
    color: var(--cpg-mid);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--cpg-transition), color var(--cpg-transition), border-color var(--cpg-transition), transform var(--cpg-transition);
    box-shadow: 0 1px 6px rgba(0,0,0,0.08);
}

.cpg-thumb-arrow:hover {
    background: var(--cpg-accent);
    color: var(--cpg-white);
    border-color: var(--cpg-accent);
    transform: scale(1.08);
}

.cpg-thumb-arrow:active {
    transform: scale(0.95);
}

.cpg-thumb-arrow:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
}

.cpg-thumb-arrow svg {
    width: 14px;
    height: 14px;
    pointer-events: none;
}

/* ── Viewport & Track ── */
.cpg-thumb-viewport {
    flex: 1;
    overflow: hidden;
    min-width: 0;
}

.cpg-thumb-track {
    display: flex;
    gap: 8px;
    transition: transform var(--cpg-transition);
    will-change: transform;
}

/* ── Individual Thumbnail ── */
.cpg-thumb-item {
    flex-shrink: 0;
    width: var(--cpg-thumb-size);
    height: var(--cpg-thumb-size);
    border-radius: calc(var(--cpg-radius) - 2px);
    overflow: hidden;
    cursor: pointer;
    border: 2.5px solid transparent;
    transition: border-color var(--cpg-transition), transform var(--cpg-transition), box-shadow var(--cpg-transition);
    position: relative;
    background: var(--cpg-light);
}

.cpg-thumb-item img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block;
    transition: transform var(--cpg-transition);
}

.cpg-thumb-item:hover img {
    transform: scale(1.08);
}

.cpg-thumb-item:hover {
    border-color: var(--cpg-mid);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.cpg-thumb-item.is-active {
    border-color: var(--cpg-accent);
    box-shadow: 0 0 0 1px var(--cpg-accent), 0 4px 14px rgba(240,165,0,0.25);
    transform: translateY(-2px);
}

.cpg-thumb-item.is-active img {
    transform: scale(1.04);
}

/* ── Keyboard focus ── */
.cpg-thumb-item:focus-visible {
    outline: 2.5px solid var(--cpg-accent);
    outline-offset: 2px;
}

/* ============================================================
   LIGHTBOX  –  Enhanced with side-peek + fullscreen + zoom
   ============================================================ */
.cpg-lightbox {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(20, 20, 20, 0.96);
}

.cpg-lightbox[hidden] {
    display: none;
}

/* Fullscreen mode */
.cpg-lightbox.cpg-lb-fullscreen {
    background: #000;
}

/* ── Top toolbar ── */
.cpg-lb-toolbar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    padding: 0 16px;
    z-index: 20;
    background: linear-gradient(to bottom, rgba(0,0,0,0.55), transparent);
}

.cpg-lb-counter-top {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255,255,255,0.75);
    font-size: 14px;
    font-family: inherit;
    letter-spacing: 0.5px;
    pointer-events: none;
}

.cpg-lb-btn {
    width: 50px !important;
    height: 50px !important;
    border: none;
    border-radius: 50%;
    background: rgba(255,255,255,0.12);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, transform 0.2s ease;
    backdrop-filter: blur(4px);
    flex-shrink: 0;
}

.cpg-lb-btn:hover {
    background: rgba(255,255,255,0.25);
    transform: scale(1.08);
}

.cpg-lb-btn svg,
.cpg-lb-btn svg.cpg-fs-enter,
.cpg-lb-btn svg.cpg-fs-exit {
    width: 28px !important;
    height: 28px !important;
    min-width: 28px !important;
    min-height: 28px !important;
    stroke: #fff !important;
    fill: none !important;
    pointer-events: none;
}

.cpg-lightbox-close svg {
    stroke: #fff !important;
    width: 28px !important;
    height: 28px !important;
    min-width: 28px !important;
    min-height: 28px !important;
}

.cpg-lightbox-close:hover {
    background: rgba(220,50,50,0.6);
    transform: scale(1.08) rotate(90deg);
}

/* ── Main stage: side-peek layout ── */
.cpg-lb-stage {
    position: relative;
    width: 100%;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 56px 0 80px;
}

.cpg-lb-track {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    position: relative;
}

/* Each lightbox slide */
.cpg-lb-slide {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.38s cubic-bezier(0.4,0,0.2,1),
                opacity   0.38s cubic-bezier(0.4,0,0.2,1),
                filter    0.38s ease;
    cursor: default;
    height: 100%;
}

/* Active (center) slide */
.cpg-lb-slide.lb-active {
    transform: translateX(0) scale(1);
    opacity: 1;
    filter: none;
    z-index: 5;
    pointer-events: auto;
}

/* Previous peek (left side) */
.cpg-lb-slide.lb-prev-peek {
    transform: translateX(-68%) scale(0.82);
    opacity: 0.45;
    filter: brightness(0.5);
    z-index: 3;
    pointer-events: auto;
    cursor: pointer;
}

/* Next peek (right side) */
.cpg-lb-slide.lb-next-peek {
    transform: translateX(68%) scale(0.82);
    opacity: 0.45;
    filter: brightness(0.5);
    z-index: 3;
    pointer-events: auto;
    cursor: pointer;
}

/* Hidden slides */
.cpg-lb-slide.lb-hidden {
    opacity: 0;
    pointer-events: none;
    z-index: 1;
}

/* The actual image inside each slide */
.cpg-lb-slide-img-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 12px 60px rgba(0,0,0,0.6);
    background: #111;
    max-width: 75vw;
    max-height: calc(100vh - 160px);
}

.cpg-lb-fullscreen .cpg-lb-slide-img-wrap {
    max-width: 92vw;
    max-height: calc(100vh - 110px);
    border-radius: 0;
    box-shadow: none;
}

.cpg-lb-slide-img {
    display: block;
    max-width: 75vw;
    max-height: calc(100vh - 160px);
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 10px;
    transition: opacity 0.22s ease;
}

.cpg-lb-fullscreen .cpg-lb-slide-img {
    max-width: 92vw;
    max-height: calc(100vh - 110px);
    border-radius: 0;
}

/* Zoom state */
.cpg-lb-slide-img-wrap.cpg-lb-zoomed {
    cursor: zoom-out;
    overflow: visible;
}

.cpg-lb-slide-img-wrap.cpg-lb-zoomed .cpg-lb-slide-img {
    cursor: zoom-out;
    transform: scale(2.2);
    transform-origin: var(--cpg-lbzox, 50%) var(--cpg-lbzoy, 50%);
    transition: transform 0.22s ease, opacity 0.22s ease;
}

.cpg-lb-slide-img.is-loading {
    opacity: 0;
}

/* ── Spinner inside slide ── */
.cpg-lb-spinner {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s;
}

.cpg-lb-spinner::after {
    content: '';
    width: 36px;
    height: 36px;
    border: 3px solid rgba(255,255,255,0.2);
    border-top-color: #fff;
    border-radius: 50%;
    animation: cpg-spin 0.7s linear infinite;
}

.cpg-lb-slide-img-wrap.is-loading .cpg-lb-spinner {
    opacity: 1;
}

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

/* ── Side nav arrows (on the stage) ── */
.cpg-lb-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 15;
    width: 52px;
    height: 52px;
    border: none;
    border-radius: 50%;
    background: rgba(255,255,255,0.12);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    transition: background 0.2s, transform 0.2s;
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.cpg-lb-nav-prev { left: 20px; }
.cpg-lb-nav-next { right: 20px; }

.cpg-lb-nav:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-50%) scale(1.1);
}

.cpg-lb-nav:active {
    transform: translateY(-50%) scale(0.96);
}

.cpg-lb-nav:disabled {
    opacity: 0.2;
    cursor: not-allowed;
    transform: translateY(-50%);
}

.cpg-lb-nav svg {
    width: 24px;
    height: 24px;
    stroke: #fff;
    fill: none;
    pointer-events: none;
}

/* ── Bottom filmstrip ── */
.cpg-lb-filmstrip {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    overflow-x: auto;
    padding: 8px 16px;
    background: linear-gradient(to top, rgba(0,0,0,0.65), transparent);
    scrollbar-width: none;
    z-index: 10;
}

.cpg-lb-filmstrip::-webkit-scrollbar { display: none; }

.cpg-lb-film-thumb {
    flex-shrink: 0;
    width: 60px !important;
    height: 60px !important;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    opacity: 0.55;
    transition: opacity 0.2s, border-color 0.2s, transform 0.2s;
    display: block !important;
    position: relative !important;
}

.cpg-lb-film-thumb img {
    width: 100% !important;
    height: 100% !important;
    max-width: 100% !important;
    max-height: none !important;
    object-fit: cover !important;
    display: block !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
}

.cpg-lb-film-thumb:hover {
    opacity: 0.85;
    transform: scale(1.06);
}

.cpg-lb-film-thumb.is-active {
    border-color: var(--cpg-accent, #f0a500);
    opacity: 1;
    transform: scale(1.08);
}

/* ── Zoom hint label ── */
.cpg-lb-hint {
    position: absolute;
    bottom: 84px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.4);
    font-size: 12px;
    font-family: inherit;
    pointer-events: none;
    white-space: nowrap;
    z-index: 10;
    transition: opacity 0.3s;
}

/* ── Lightbox open animation ── */
.cpg-lightbox:not([hidden]) {
    animation: cpg-lb-in 0.22s ease both;
}

@keyframes cpg-lb-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 600px) {
    .cpg-gallery-wrap {
        --cpg-thumb-size: 68px;
        --cpg-arrow-size: 34px;
    }

    .cpg-thumb-arrow {
        width: 26px;
        height: 26px;
    }

    .cpg-lb-nav {
        width: 38px;
        height: 38px;
    }

    .cpg-lb-slide.lb-prev-peek,
    .cpg-lb-slide.lb-next-peek {
        transform: translateX(-72%) scale(0.78);
    }

    .cpg-lb-slide.lb-next-peek {
        transform: translateX(72%) scale(0.78);
    }

    .cpg-lb-slide-img {
        max-width: 82vw;
    }

    .cpg-lb-slide-img-wrap {
        max-width: 82vw;
    }
}

@media (max-width: 400px) {
    .cpg-gallery-wrap {
        --cpg-thumb-size: 58px;
    }
}