/* SM Instagram Feed – Grid & Lightbox */

/* ─── Header ────────────────────────────────────────── */
.sm-ig-header {
    font-size: 1.25em;
    font-weight: 600;
    margin-bottom: 0.75em;
}

/* ─── Grid ──────────────────────────────────────────── */
.sm-ig-grid {
    display: grid;
    grid-template-columns: repeat(var(--sm-ig-columns, 4), 1fr);
    gap: var(--sm-ig-gap, 8px);
    background: var(--sm-ig-bg, transparent);
    padding: var(--sm-ig-padding, 0);
}

.sm-ig-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--sm-ig-radius, 4px);
    cursor: pointer;
    aspect-ratio: var(--sm-ig-aspect, 1 / 1);
}

.sm-ig-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease, opacity 0.3s ease, filter 0.3s ease;
}

/* ─── Hover Effects ─────────────────────────────────── */
.sm-ig-hover-zoom .sm-ig-item:hover img { transform: scale(1.05); }
.sm-ig-hover-fade .sm-ig-item:hover img { opacity: 0.8; }
.sm-ig-hover-grayscale .sm-ig-item img { filter: grayscale(100%); }
.sm-ig-hover-grayscale .sm-ig-item:hover img { filter: grayscale(0%); }
.sm-ig-hover-none .sm-ig-item:hover img { transform: none; }

/* ─── Hover Overlay ─────────────────────────────────── */
.sm-ig-has-overlay .sm-ig-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--sm-ig-overlay, transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    border-radius: var(--sm-ig-radius, 4px);
}

.sm-ig-has-overlay .sm-ig-item:hover::after {
    opacity: 1;
}

/* ─── Fallback ──────────────────────────────────────── */
.sm-ig-fallback {
    text-align: center;
    padding: 2em;
}

.sm-ig-fallback a {
    font-weight: 600;
}

/* ─── Responsive ────────────────────────────────────── */
@media (max-width: 900px) {
    .sm-ig-grid {
        grid-template-columns: repeat(var(--sm-ig-tablet-cols, 2), 1fr);
    }
}

@media (max-width: 600px) {
    .sm-ig-grid {
        grid-template-columns: repeat(var(--sm-ig-mobile-cols, 1), 1fr);
    }
}


/* ─── Lightbox ──────────────────────────────────────── */
.sm-ig-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 100000;
    align-items: center;
    justify-content: center;
}

.sm-ig-lightbox[aria-hidden="false"] {
    display: flex;
}

.sm-ig-lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
}

.sm-ig-lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    text-align: center;
}

.sm-ig-lightbox-media img,
.sm-ig-lightbox-media video {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 4px;
}

.sm-ig-lightbox-caption {
    color: #fff;
    margin-top: 0.75em;
    font-size: 14px;
    max-width: 600px;
    margin-inline: auto;
}

.sm-ig-lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: #fff;
    font-size: 28px;
    cursor: pointer;
    line-height: 1;
    padding: 4px 8px;
}