/* =========================================================================
   OnMe Ads & Affiliates — Public Frontend Styles
   ========================================================================= */

/* ─── Ad Unit Container ──────────────────────────────────────────────────── */
.onme-ads-aff-ad-unit {
    width: 100%;
    box-sizing: border-box;
    overflow: visible;
    line-height: 0;
}

/* ─── Responsive iframe wrapper ──────────────────────────────────────────── */
.onme-ads-aff-embed-wrap {
    position: relative;
    width: 100%;
    overflow: hidden;
    /* Isolate layout/paint so ad content never shifts surrounding page elements */
    contain: layout paint;
}

/* Modern aspect-ratio replaces the padding-bottom hack when supported */
@supports (aspect-ratio: 1) {
    .onme-ads-aff-embed-wrap[style*="--onme-ar"] {
        aspect-ratio: var(--onme-ar);
        padding-bottom: 0 !important;
        height: auto !important;
    }
}

.onme-ads-aff-embed-wrap iframe {
    position: absolute;
    inset: 0;
    width: 100% !important;
    height: 100% !important;
    border: 0;
    display: block;
}

/* ─── Skeleton loader (lazy iframes before load) ─────────────────────────── */
.onme-ads-aff-embed-wrap.onme-ads-aff-lazy::before {
    content: '';
    display: block;
    position: absolute;
    inset: 0;
    z-index: 1;
    border-radius: 4px;
    pointer-events: none;
    background: linear-gradient(90deg, #f0f0f0 25%, #e8e8e8 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: onme-shimmer 1.4s ease-in-out infinite;
    transition: opacity 0.25s ease;
}

.onme-ads-aff-embed-wrap.onme-ads-aff-lazy.onme-ads-aff-ready::before {
    opacity: 0;
    pointer-events: none;
    animation: none;
}

@keyframes onme-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ─── Fade-in iframe after load ──────────────────────────────────────────── */
.onme-ads-aff-embed-wrap.onme-ads-aff-lazy iframe {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.onme-ads-aff-embed-wrap.onme-ads-aff-lazy.onme-ads-aff-ready iframe {
    opacity: 1;
}

/* ─── Fallback: bare iframe without wrapper ──────────────────────────────── */
.onme-ads-aff-ad-unit > iframe {
    display: block;
    max-width: 100%;
    border: 0;
    height: auto;
}

/* ─── Dark mode skeleton ─────────────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
    .onme-ads-aff-embed-wrap.onme-ads-aff-lazy::before {
        background: linear-gradient(90deg, #2a2a2a 25%, #333 50%, #2a2a2a 75%);
        background-size: 200% 100%;
    }
}

/* ─── Script-based lazy ads (AdSense, custom JS) ────────────────────────── */
/*
 * .onme-ads-aff-script-lazy wraps ads that have no iframe (pure JS/HTML).
 * Before the IntersectionObserver fires, a minimum height + shimmer skeleton
 * ensures the element has non-zero size so the IO can detect it.
 * After injection, .onme-ads-aff-script-loaded is added and the placeholder is removed.
 */
.onme-ads-aff-ad-unit.onme-ads-aff-script-lazy:not(.onme-ads-aff-script-loaded) {
    position: relative;
    min-height: 90px;
    overflow: hidden;
    border-radius: 4px;
    contain: layout paint;
}

.onme-ads-aff-ad-unit.onme-ads-aff-script-lazy:not(.onme-ads-aff-script-loaded)::before {
    content: '';
    display: block;
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: linear-gradient(90deg, #f0f0f0 25%, #e8e8e8 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: onme-shimmer 1.4s ease-in-out infinite;
}

@media (prefers-color-scheme: dark) {
    .onme-ads-aff-ad-unit.onme-ads-aff-script-lazy:not(.onme-ads-aff-script-loaded)::before {
        background: linear-gradient(90deg, #2a2a2a 25%, #333 50%, #2a2a2a 75%);
        background-size: 200% 100%;
    }
}

/* ─── Hide ads in print ──────────────────────────────────────────────────── */
@media print {
    .onme-ads-aff-ad-unit { display: none !important; }
}