/* ============================================================
   Smart Lightbox Gallery – slg-style.css
   ============================================================ */

/* ── Grid ── */
.slg-gallery {
    display: grid;
    grid-template-columns: repeat(var(--slg-columns, 3), var(--slg-thumb-w, 300px));
    gap: var(--slg-gap, 16px);
    justify-content: start;
    width: 100%;
    box-sizing: border-box;
}

/* Responsive: collapse to 2 cols on tablet, 1 on mobile */
@media (max-width: 900px) {
    .slg-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 520px) {
    .slg-gallery {
        grid-template-columns: 1fr;
    }
}

/* ── Thumbnail Item ── */
.slg-item {
    cursor: pointer;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

.slg-item:focus-visible .slg-thumb-wrap {
    box-shadow: 0 0 0 3px #0073aa, 0 0 0 5px #fff;
}

.slg-thumb-wrap {
    position: relative;
    width: var(--slg-thumb-w, 300px);
    height: var(--slg-thumb-h, 220px);
    overflow: hidden;                 /* ← core requirement */
    border-radius: var(--slg-radius, 8px);
    background: #1a1a2e;
}

/* Responsive: full width when column count collapses */
@media (max-width: 900px) {
    .slg-thumb-wrap {
        width: 100%;
        height: var(--slg-thumb-h, 220px);
    }
}

.slg-thumb-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.45s cubic-bezier(.25,.8,.25,1),
                filter 0.35s ease;
    will-change: transform;
    pointer-events: none;
    user-select: none;
}

.slg-item:hover .slg-thumb-wrap img,
.slg-item:focus-visible .slg-thumb-wrap img {
    transform: scale(1.07);
    filter: brightness(0.75);
}

/* ── Hover Overlay Icon ── */
.slg-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.slg-overlay svg {
    width: 44px;
    height: 44px;
    color: #fff;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,.6));
    transform: scale(0.8);
    transition: transform 0.3s cubic-bezier(.34,1.56,.64,1);
}

.slg-item:hover .slg-overlay,
.slg-item:focus-visible .slg-overlay {
    opacity: 1;
}

.slg-item:hover .slg-overlay svg,
.slg-item:focus-visible .slg-overlay svg {
    transform: scale(1);
}

/* ── Caption ── */
.slg-caption {
    margin: 7px 0 0;
    font-size: 13px;
    line-height: 1.4;
    color: #555;
    text-align: center;
}

/* ── No images ── */
.slg-no-images {
    color: #888;
    font-style: italic;
}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.slg-lightbox {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    /* start invisible; JS removes hidden + adds .is-open */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.28s ease, visibility 0.28s ease;
}

.slg-lightbox[hidden] {
    display: none !important;
}

.slg-lightbox.is-open {
    opacity: 1;
    visibility: visible;
}

/* ── Backdrop ── */
.slg-lb-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(6, 6, 14, 0.92);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    cursor: zoom-out;
}

/* ── Stage (image container) ── */
.slg-lb-stage {
    position: relative;
    z-index: 2;
    max-width: 90vw;
    max-height: 82vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    user-select: none;
}

.slg-lb-image-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 6px;
    background: transparent;
    max-width: 90vw;
    max-height: 78vh;
}

#slg-lb-img {
    display: block;
    max-width: 88vw;
    max-height: 76vh;
    object-fit: contain;
    border-radius: 4px;
    transform-origin: center center;
    transform: scale(1) translate(0, 0);
    transition: transform 0.22s cubic-bezier(.25,.8,.25,1);
    cursor: grab;
    box-shadow: 0 24px 80px rgba(0,0,0,.7);
    will-change: transform;
    /* When dragging, transition is disabled by JS */
}

#slg-lb-img.is-dragging {
    cursor: grabbing;
    transition: none;
}

#slg-lb-img.is-loading {
    opacity: 0;
}
#slg-lb-img.is-loaded {
    opacity: 1;
    transition: opacity 0.25s ease, transform 0.22s cubic-bezier(.25,.8,.25,1);
}

/* ── Spinner ── */
.slg-lb-spinner {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
}

.slg-lb-spinner.active {
    opacity: 1;
}

.slg-lb-spinner div {
    width: 10px;
    height: 10px;
    margin: 0 4px;
    border-radius: 50%;
    background: rgba(255,255,255,.7);
    animation: slg-bounce 1.2s infinite ease-in-out;
}
.slg-lb-spinner div:nth-child(1) { animation-delay: -0.32s; }
.slg-lb-spinner div:nth-child(2) { animation-delay: -0.16s; }
.slg-lb-spinner div:nth-child(3) { animation-delay: 0s; }
.slg-lb-spinner div:nth-child(4) { animation-delay: 0.16s; }

@keyframes slg-bounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: .5; }
    40%            { transform: scale(1);   opacity: 1; }
}

/* ── Caption ── */
.slg-lb-caption {
    margin: 12px 0 0;
    color: rgba(255,255,255,.65);
    font-size: 13px;
    line-height: 1.5;
    text-align: center;
    max-width: 600px;
    min-height: 1em;
    pointer-events: none;
}

/* ── Shared button style ── */
.slg-lb-btn,
.slg-lb-tool {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.18);
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    outline: none;
    transition: background 0.18s, transform 0.18s, border-color 0.18s;
    -webkit-tap-highlight-color: transparent;
    z-index: 10;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.slg-lb-btn:hover,
.slg-lb-tool:hover {
    background: rgba(255,255,255,.22);
    border-color: rgba(255,255,255,.35);
    transform: scale(1.08);
}
.slg-lb-btn:active,
.slg-lb-tool:active {
    transform: scale(0.95);
}
.slg-lb-btn:focus-visible,
.slg-lb-tool:focus-visible {
    box-shadow: 0 0 0 2px #60a5fa;
}

/* ── Close ── */
.slg-lb-close {
    top: 18px;
    right: 18px;
    width: 44px;
    height: 44px;
}
.slg-lb-close svg { width: 20px; height: 20px; }

/* ── Prev / Next ── */
.slg-lb-prev,
.slg-lb-next {
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
}
.slg-lb-prev:hover { transform: translateY(-50%) scale(1.08); }
.slg-lb-next:hover { transform: translateY(-50%) scale(1.08); }
.slg-lb-prev:active { transform: translateY(-50%) scale(0.95); }
.slg-lb-next:active { transform: translateY(-50%) scale(0.95); }

.slg-lb-prev { left:  18px; }
.slg-lb-next { right: 18px; }

.slg-lb-prev svg,
.slg-lb-next svg { width: 22px; height: 22px; }

.slg-lb-prev.slg-hidden,
.slg-lb-next.slg-hidden {
    opacity: 0;
    pointer-events: none;
}

/* ── Zoom Toolbar ── */
.slg-lb-toolbar {
    position: absolute;
    bottom: 22px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 10;
    background: rgba(0,0,0,.45);
    padding: 7px 14px;
    border-radius: 40px;
    border: 1px solid rgba(255,255,255,.12);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.slg-lb-tool {
    position: relative;   /* override absolute */
    width: 38px;
    height: 38px;
}
.slg-lb-tool svg { width: 17px; height: 17px; }

.slg-zoom-level {
    font-size: 12px;
    color: rgba(255,255,255,.75);
    min-width: 38px;
    text-align: center;
    font-variant-numeric: tabular-nums;
    letter-spacing: .03em;
    user-select: none;
}

/* ── Counter ── */
.slg-lb-counter {
    position: absolute;
    top: 22px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,.45);
    color: rgba(255,255,255,.7);
    font-size: 12px;
    padding: 5px 14px;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,.1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    pointer-events: none;
    white-space: nowrap;
    z-index: 10;
}

/* ── Image slide animation ── */
@keyframes slg-slide-in-right {
    from { opacity:0; transform: scale(var(--slg-img-scale,1)) translateX(40px); }
    to   { opacity:1; transform: scale(var(--slg-img-scale,1)) translateX(0);    }
}
@keyframes slg-slide-in-left {
    from { opacity:0; transform: scale(var(--slg-img-scale,1)) translateX(-40px); }
    to   { opacity:1; transform: scale(var(--slg-img-scale,1)) translateX(0);     }
}

#slg-lb-img.anim-right { animation: slg-slide-in-right 0.28s ease forwards; }
#slg-lb-img.anim-left  { animation: slg-slide-in-left  0.28s ease forwards; }