/**
 * Blaszaki Product Gallery — PREMIUM DESIGN PATCH
 * Append AFTER base gallery.css (or enqueue with later priority).
 * Upgrades: layered shadows, glass-morphism controls, polished thumbs,
 * smoother transitions, premium counter, zoom-lens glow.
 * @version 1.1.0
 */

:root {
    --bpg-accent: #1a1a1a;
    --bpg-accent-hover: #000;
    --bpg-surface: #fff;
    --bpg-border: rgba(0, 0, 0, .08);
    --bpg-shadow-sm: 0 1px 2px rgba(15, 23, 42, .04), 0 1px 3px rgba(15, 23, 42, .06);
    --bpg-shadow-md: 0 4px 12px rgba(15, 23, 42, .06), 0 12px 32px rgba(15, 23, 42, .08);
    --bpg-shadow-lg: 0 10px 30px rgba(15, 23, 42, .08), 0 30px 60px rgba(15, 23, 42, .12);
    --bpg-radius: 16px;
    --bpg-radius-sm: 10px;
    --bpg-ease: cubic-bezier(.2, .8, .2, 1);
}

/* ── Main stage ───────────────────────────────────────────────── */
.bpg-gallery .bpg-main-wrap {
    position: relative;
    border-radius: var(--bpg-radius);
    overflow: hidden;
    background: linear-gradient(180deg, #fafafa 0%, #f2f2f2 100%);
    box-shadow: var(--bpg-shadow-md);
    transition: box-shadow .4s var(--bpg-ease);
}
.bpg-gallery .bpg-main-wrap:hover { box-shadow: var(--bpg-shadow-lg); }

.bpg-gallery .bpg-main-swiper,
.bpg-gallery .bpg-slide { border-radius: var(--bpg-radius); }

.bpg-gallery .bpg-main-img {
    transition: transform .6s var(--bpg-ease), opacity .3s ease;
    will-change: transform;
}
.bpg-gallery .bpg-slide:hover .bpg-main-img { transform: scale(1.015); }
.bpg-gallery .bpg-slide.bpg-zooming .bpg-main-img { opacity: 0; }

/* ── Zoom lens polish ─────────────────────────────────────────── */
.bpg-gallery .bpg-zoom-lens {
    border-radius: var(--bpg-radius);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .4), var(--bpg-shadow-md);
    transition: opacity .25s ease;
}

/* ── Navigation arrows — glass morphism ───────────────────────── */
.bpg-gallery .bpg-nav-prev,
.bpg-gallery .bpg-nav-next {
    width: 48px; height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .72);
    backdrop-filter: blur(16px) saturate(1.4);
    -webkit-backdrop-filter: blur(16px) saturate(1.4);
    border: 1px solid rgba(255, 255, 255, .6);
    box-shadow: var(--bpg-shadow-md);
    color: var(--bpg-accent);
    opacity: 0;
    transform: translateY(-50%) scale(.9);
    transition: opacity .3s var(--bpg-ease), transform .3s var(--bpg-ease), background .2s ease;
}
.bpg-gallery .bpg-main-wrap:hover .bpg-nav-prev,
.bpg-gallery .bpg-main-wrap:hover .bpg-nav-next {
    opacity: 1;
    transform: translateY(-50%) scale(1);
}
.bpg-gallery .bpg-nav-prev:hover,
.bpg-gallery .bpg-nav-next:hover {
    background: #fff;
    transform: translateY(-50%) scale(1.06);
}
.bpg-gallery .bpg-nav-prev { left: 16px; }
.bpg-gallery .bpg-nav-next { right: 16px; }

/* ── Fullscreen button + Counter pill ─────────────────────────── */
.bpg-gallery .bpg-fullscreen-btn {
    position: absolute;
    top: 16px; right: 16px;
    width: 40px; height: 40px;
    border-radius: 50%;
    background: rgba(15, 23, 42, .55);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, .15);
    color: #fff;
    display: grid; place-items: center;
    cursor: pointer;
    transition: all .25s var(--bpg-ease);
    z-index: 5;
}
.bpg-gallery .bpg-fullscreen-btn:hover {
    background: rgba(15, 23, 42, .85);
    transform: scale(1.08);
}

.bpg-gallery .bpg-counter {
    position: absolute;
    bottom: 16px; left: 16px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(15, 23, 42, .72);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .04em;
    font-variant-numeric: tabular-nums;
    box-shadow: var(--bpg-shadow-sm);
    z-index: 5;
}

/* ── Thumbnails — premium ─────────────────────────────────────── */
.bpg-gallery .bpg-thumbs-swiper { padding: 10px 2px; margin-top: 12px; }

.bpg-gallery .bpg-thumb {
    position: relative;
    border-radius: var(--bpg-radius-sm);
    overflow: hidden;
    cursor: pointer;
    background: #f5f5f5;
    box-shadow: var(--bpg-shadow-sm);
    transition: transform .3s var(--bpg-ease), box-shadow .3s var(--bpg-ease);
    opacity: .72;
}
.bpg-gallery .bpg-thumb::after {
    content: '';
    position: absolute; inset: 0;
    border-radius: var(--bpg-radius-sm);
    box-shadow: inset 0 0 0 0 var(--bpg-accent);
    transition: box-shadow .3s var(--bpg-ease);
    pointer-events: none;
}
.bpg-gallery .bpg-thumb:hover {
    opacity: 1;
    transform: translateY(-2px);
    box-shadow: var(--bpg-shadow-md);
}
.bpg-gallery .bpg-thumb-active {
    opacity: 1;
    transform: translateY(-2px);
    box-shadow: var(--bpg-shadow-md);
}
.bpg-gallery .bpg-thumb-active::after {
    box-shadow: inset 0 0 0 2.5px var(--bpg-accent);
}
.bpg-gallery .bpg-thumb-img {
    transition: transform .5s var(--bpg-ease);
}
.bpg-gallery .bpg-thumb:hover .bpg-thumb-img { transform: scale(1.08); }

/* ── Play icon for video slides ───────────────────────────────── */
.bpg-gallery .bpg-play-icon {
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, .4));
    transition: transform .3s var(--bpg-ease);
}
.bpg-gallery .bpg-slide:hover .bpg-play-icon { transform: scale(1.12); }

/* ── GLightbox tuning (premium dark theme) ────────────────────── */
.glightbox-clean .gslide-description { background: rgba(15, 23, 42, .85); }
.glightbox-clean .gdesc-inner { padding: 20px 24px; }
.gbtn.gclose, .gbtn.gnext, .gbtn.gprev {
    background: rgba(255, 255, 255, .08) !important;
    backdrop-filter: blur(10px);
    border-radius: 50% !important;
    transition: background .2s ease, transform .2s ease !important;
}
.gbtn.gclose:hover, .gbtn.gnext:hover, .gbtn.gprev:hover {
    background: rgba(255, 255, 255, .2) !important;
    transform: scale(1.08);
}

/* ── Mobile polish ────────────────────────────────────────────── */
@media (max-width: 768px) {
    .bpg-gallery .bpg-main-wrap { border-radius: 12px; }
    .bpg-gallery .bpg-nav-prev,
    .bpg-gallery .bpg-nav-next { opacity: 1; width: 40px; height: 40px; }
    .bpg-gallery .bpg-fullscreen-btn { top: 10px; right: 10px; }
    .bpg-gallery .bpg-counter { bottom: 10px; left: 10px; font-size: 11px; }
}

/* ── Respect reduced motion ───────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .bpg-gallery *,
    .bpg-gallery *::before,
    .bpg-gallery *::after {
        transition: none !important;
        animation: none !important;
    }
}