/* ============================================================
   Filterable Gallery — filterable-gallery.css
   ============================================================ */

/* ---- Custom properties (defaults, overridden per-instance) ---- */
.fgal-wrap {
    --fgal-accent:      #2a9d8f;
    --fgal-accent-dark: color-mix(in srgb, var(--fgal-accent) 70%, black);
    --fgal-gap:         12px;
    --fgal-cols:        4;
    --fgal-radius:      6px;
    --fgal-transition:  0.25s ease;
    width: 100%;
    box-sizing: border-box;
}

/* ============================================================
   FILTER BAR
   ============================================================ */
.fgal-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
    align-items: center;
}

/* Shared button reset */
.fgal-btn {
    cursor: pointer;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1;
    transition: background var(--fgal-transition),
                color var(--fgal-transition),
                border-color var(--fgal-transition),
                transform var(--fgal-transition);
    white-space: nowrap;
}
.fgal-btn:focus-visible {
    outline: 2px solid var(--fgal-accent);
    outline-offset: 2px;
}

/* ---- Pills ---- */
.fgal-filter-pills .fgal-btn {
    padding: 8px 18px;
    border-radius: 999px;
    background: #f0f0f0;
    color: #444;
}
.fgal-filter-pills .fgal-btn:hover {
    background: color-mix(in srgb, var(--fgal-accent) 15%, white);
    color: var(--fgal-accent);
}
.fgal-filter-pills .fgal-btn.active {
    background: var(--fgal-accent);
    color: #fff;
}

/* ---- Tabs ---- */
.fgal-filter-tabs .fgal-btn {
    padding: 10px 20px;
    border-radius: var(--fgal-radius) var(--fgal-radius) 0 0;
    background: #eee;
    color: #555;
    border-bottom: 3px solid transparent;
}
.fgal-filter-tabs .fgal-btn:hover {
    background: #e0e0e0;
    color: var(--fgal-accent);
}
.fgal-filter-tabs .fgal-btn.active {
    background: #fff;
    color: var(--fgal-accent);
    border-bottom-color: var(--fgal-accent);
}

/* ---- Minimal ---- */
.fgal-filter-minimal .fgal-btn {
    padding: 6px 2px;
    border-bottom: 2px solid transparent;
    color: #666;
    margin-right: 16px;
    border-radius: 0;
}
.fgal-filter-minimal .fgal-btn:hover {
    color: var(--fgal-accent);
}
.fgal-filter-minimal .fgal-btn.active {
    color: var(--fgal-accent);
    border-bottom-color: var(--fgal-accent);
}

/* ============================================================
   MASONRY GRID — CSS columns approach
   ============================================================ */
.fgal-grid {
    columns: var(--fgal-cols);
    column-gap: var(--fgal-gap);
}

/* ---- Individual items ---- */
.fgal-item {
    break-inside: avoid;
    margin-bottom: var(--fgal-gap);
    position: relative;
    overflow: hidden;
    border-radius: var(--fgal-radius);
    display: block;
    /* Entry animation */
    animation: fgal-fadein 0.4s ease both;
}

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

/* Hidden state (filtered out) */
.fgal-item.fgal-hidden {
    display: none;
}

/* ---- Image ---- */
.fgal-img {
    display: block;
    width: 100%;
    height: auto;
    transition: transform 0.4s ease;
}

/* ---- Link wrapper ---- */
.fgal-link {
    display: block;
    position: relative;
    overflow: hidden;
    border-radius: var(--fgal-radius);
    text-decoration: none;
}
.fgal-link:hover .fgal-img {
    transform: scale(1.05);
}
.fgal-link:hover .fgal-overlay {
    opacity: 1;
}

/* ---- Overlay ---- */
.fgal-overlay {
    position: absolute;
    inset: 0;
    background: color-mix(in srgb, var(--fgal-accent) 70%, black 30%);
    opacity: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--fgal-transition);
    border-radius: var(--fgal-radius);
}

.fgal-overlay-icon {
    color: #fff;
    display: flex;
}
.fgal-overlay-icon svg {
    width: 32px;
    height: 32px;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

/* No-lightbox: overlay still shows on hover */
.fgal-item:not(:has(.fgal-link)):hover .fgal-overlay {
    opacity: 1;
}
.fgal-item:not(:has(.fgal-link)) {
    position: relative;
    overflow: hidden;
    border-radius: var(--fgal-radius);
}
.fgal-item:not(:has(.fgal-link)) .fgal-img {
    transition: transform 0.4s ease;
}
.fgal-item:not(:has(.fgal-link)):hover .fgal-img {
    transform: scale(1.05);
}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.fgal-lightbox {
    position: fixed;
    inset: 0;
    z-index: 99999999999999;
    background: rgba(0, 0, 0, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}
.fgal-lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.fgal-lb-content {
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.fgal-lb-img {
    max-width: 90vw;
    max-height: 80vh;
    width: auto;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    transition: opacity 0.2s ease;
    display: block;
}

.fgal-lb-caption {
    color: rgba(255,255,255,0.75);
    font-size: 0.875rem;
    margin: 0;
    text-align: center;
}

/* Lightbox controls */
.fgal-lb-close,
.fgal-lb-prev,
.fgal-lb-next {
    position: fixed;
    background: rgba(255,255,255,0.1);
    border: none;
    color: #fff;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
    backdrop-filter: blur(4px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    line-height: 1;
}
.fgal-lb-close:hover,
.fgal-lb-prev:hover,
.fgal-lb-next:hover {
    background: rgba(255,255,255,0.25);
    transform: scale(1.1);
}

.fgal-lb-close {
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    font-size: 1.75rem;
}
.fgal-lb-prev {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    font-size: 2rem;
}
.fgal-lb-prev:hover {
    transform: translateY(-50%) scale(1.1);
}
.fgal-lb-next {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    font-size: 2rem;
}
.fgal-lb-next:hover {
    transform: translateY(-50%) scale(1.1);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .fgal-wrap {
        --fgal-cols: max(2, calc(var(--fgal-cols) - 1));
    }
}
@media (max-width: 640px) {
    .fgal-wrap {
        --fgal-cols: 2;
    }
    .fgal-filters {
        gap: 6px;
    }
    .fgal-btn {
        font-size: 0.8rem;
    }
    .fgal-filter-pills .fgal-btn {
        padding: 6px 12px;
    }
}

/* ============================================================
   ERROR STATE
   ============================================================ */
.fgal-error {
    padding: 16px;
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: var(--fgal-radius);
    color: #856404;
    font-size: 0.875rem;
}