/* ================================================
   Epoxy Gallery Styles — assets/gallery.css
   Brand: Dark (#1a1a1a) + Orange (#e87722)
   Gutenberg + Twenty Twenty-Five Child Theme
   ================================================ */

:root {
    --epoxy-dark:     #1a1a1a;
    --epoxy-darker:   #111111;
    --epoxy-orange:   #e87722;
    --epoxy-orange-h: #ff8c36;
    --epoxy-white:    #ffffff;
    --epoxy-gray:     #cccccc;
    --epoxy-radius:   6px;
    --epoxy-trans:    all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Wrapper ---- */
.epoxy-gallery-wrap {
    max-width: 1280px;
    margin: 0 auto;
    padding: 40px 20px 60px;
    font-family: 'Arial Black', Arial, sans-serif;
}

/* ================================================
   FILTER TABS
   ================================================ */
.epoxy-gallery-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 40px;
    padding: 0;
}

.epoxy-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 22px;
    background: transparent;
    border: 2px solid #444;
    color: var(--epoxy-gray);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: var(--epoxy-radius);
    cursor: pointer;
    transition: var(--epoxy-trans);
    line-height: 1;
}

.epoxy-filter-btn:hover {
    border-color: var(--epoxy-orange);
    color: var(--epoxy-orange);
}

.epoxy-filter-btn.active {
    background: var(--epoxy-orange);
    border-color: var(--epoxy-orange);
    color: var(--epoxy-white);
}

.epoxy-filter-count {
    background: rgba(255,255,255,0.2);
    border-radius: 20px;
    padding: 1px 7px;
    font-size: 11px;
    font-weight: 700;
}

.epoxy-filter-btn.active .epoxy-filter-count {
    background: rgba(0,0,0,0.2);
}

/* ================================================
   GALLERY GRID
   ================================================ */
.epoxy-gallery-grid {
    display: grid;
    gap: 16px;
}

/* Column presets */
.epoxy-gallery-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.epoxy-gallery-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.epoxy-gallery-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .epoxy-gallery-grid.cols-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .epoxy-gallery-grid.cols-3,
    .epoxy-gallery-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .epoxy-gallery-grid.cols-2,
    .epoxy-gallery-grid.cols-3,
    .epoxy-gallery-grid.cols-4 { grid-template-columns: 1fr; }
}

/* ================================================
   GALLERY ITEM
   ================================================ */
.epoxy-gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--epoxy-radius);
    aspect-ratio: 4 / 3;
    background: #222;

    /* Hidden state for filter animation */
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.epoxy-gallery-item.epoxy-hidden {
    display: none;
}

/* Appear animation when shown */
.epoxy-gallery-item.epoxy-visible {
    animation: epoxyFadeIn 0.4s ease forwards;
}

@keyframes epoxyFadeIn {
    from { opacity: 0; transform: scale(0.97) translateY(8px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* Link wrapper */
.epoxy-gallery-item a.epoxy-lightbox-trigger {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
}

/* Image */
.epoxy-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.epoxy-gallery-item:hover img {
    transform: scale(1.06);
}

/* ---- Overlay ---- */
.epoxy-item-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(232, 119, 34, 0.88) 0%,
        rgba(26, 26, 26, 0.5) 60%,
        transparent 100%
    );
    opacity: 0;
    transition: opacity 0.35s ease;
    display: flex;
    align-items: flex-end;
    padding: 18px;
}

.epoxy-gallery-item:hover .epoxy-item-overlay {
    opacity: 1;
}

.epoxy-item-info {
    color: var(--epoxy-white);
}

.epoxy-item-title {
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 2px;
    line-height: 1.2;
}

.epoxy-item-type,
.epoxy-item-cat {
    font-size: 12px;
    margin: 0;
    opacity: 0.85;
    letter-spacing: 0.04em;
}

.epoxy-zoom-icon {
    position: absolute;
    top: 14px;
    right: 14px;
    font-size: 20px;
    color: white;
    line-height: 1;
}

/* ---- Orange left border accent ---- */
.epoxy-gallery-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--epoxy-orange);
    z-index: 2;
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.35s ease;
}

.epoxy-gallery-item:hover::before {
    transform: scaleY(1);
}

/* ---- No results ---- */
.epoxy-no-results {
    text-align: center;
    color: var(--epoxy-gray);
    font-size: 16px;
    padding: 40px 0;
}

/* ---- Load More hidden items ---- */
.epoxy-gallery-item.epoxy-load-hidden {
    display: none;
}

/* ---- Load More button ---- */
.epoxy-load-more-wrap {
    text-align: center;
    margin-top: 36px;
}

.epoxy-load-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    background: transparent;
    border: 2px solid var(--epoxy-orange);
    color: var(--epoxy-orange);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--epoxy-radius);
    cursor: pointer;
    transition: var(--epoxy-trans);
}

.epoxy-load-more-btn:hover {
    background: var(--epoxy-orange);
    color: var(--epoxy-white);
}

.epoxy-lm-count {
    font-size: 12px;
    font-weight: 400;
    opacity: 0.75;
    letter-spacing: 0.04em;
}

/* ================================================
   LIGHTBOX
   ================================================ */
.epoxy-lightbox-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 99999;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.epoxy-lightbox-modal.epoxy-lb-open {
    display: flex;
}

.epoxy-lb-content {
    max-width: 90vw;
    max-height: 90vh;
    text-align: center;
    position: relative;
}

.epoxy-lb-content img {
    max-width: 100%;
    max-height: 82vh;
    object-fit: contain;
    border-radius: var(--epoxy-radius);
    border: 3px solid var(--epoxy-orange);
    display: block;
    margin: 0 auto;
}

.epoxy-lb-caption {
    color: var(--epoxy-white);
    font-size: 14px;
    margin-top: 12px;
    letter-spacing: 0.04em;
    opacity: 0.85;
}

/* Lightbox buttons — shared base */
.epoxy-lb-close,
.epoxy-lb-prev,
.epoxy-lb-next {
    position: fixed;
    background: var(--epoxy-orange);
    color: #ffffff;
    border: none;
    cursor: pointer;
    line-height: 1;
    transition: background 0.2s ease, transform 0.15s ease;
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    box-shadow: 0 4px 16px rgba(0,0,0,0.5);
}

.epoxy-lb-close:hover,
.epoxy-lb-prev:hover,
.epoxy-lb-next:hover {
    background: var(--epoxy-orange-h);
}

/* Close button — top right, circular */
.epoxy-lb-close {
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    font-size: 28px;
    border-radius: 50%;
}

/* Prev arrow — vertically centered, left side, circular */
.epoxy-lb-prev {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    font-size: 22px;
    border-radius: 50%;
}

.epoxy-lb-prev:hover {
    transform: translateY(-50%) scale(1.1);
}

/* Next arrow — vertically centered, right side, circular */
.epoxy-lb-next {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    font-size: 22px;
    border-radius: 50%;
}

.epoxy-lb-next:hover {
    transform: translateY(-50%) scale(1.1);
}

/* Mobile */
@media (max-width: 600px) {
    .epoxy-lb-prev,
    .epoxy-lb-next {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    .epoxy-lb-prev  { left: 10px; }
    .epoxy-lb-next  { right: 10px; }
    .epoxy-lb-close { top: 10px; right: 10px; width: 36px; height: 36px; font-size: 22px; }
}

/* Close on Escape key — handled via JS */