/*
 * NewsSync PRO — Async Feed Loader Styles
 *
 * Skeleton placeholder animation shown while feed items load via AJAX.
 */

/* ── Placeholder wrapper ─────────────────────────────────────────────────── */
.newssync-async-placeholder {
    width: 100%;
    box-sizing: border-box;
    min-height: 120px;
}

/* ── Skeleton grid ───────────────────────────────────────────────────────── */
.newssync-skeleton-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: 1fr;
}

.newssync-skeleton-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.newssync-skeleton-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
    .newssync-skeleton-cols-2,
    .newssync-skeleton-cols-3 {
        grid-template-columns: 1fr;
    }
}

/* ── Individual skeleton card ────────────────────────────────────────────── */
.newssync-skeleton-card {
    padding: 12px;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    background: #ffffff;
    overflow: hidden;
}

/* Dark-mode variants */
@media (prefers-color-scheme: dark) {
    .newssync-skeleton-card {
        background: #1e2030;
        border-color: #2e3248;
    }
    .newssync-skeleton-img,
    .newssync-skeleton-line {
        background: #2e3248;
    }
}

/* ── Skeleton elements ───────────────────────────────────────────────────── */
.newssync-skeleton-img {
    width: 100%;
    height: 140px;
    border-radius: 4px;
    margin-bottom: 10px;
    background: #e4e6ea;
}

.newssync-skeleton-line {
    height: 12px;
    border-radius: 4px;
    background: #e4e6ea;
    margin-bottom: 8px;
}

.newssync-skeleton-line:last-child {
    margin-bottom: 0;
}

/* ── Pulse animation ─────────────────────────────────────────────────────── */
@keyframes newssync-pulse {
    0%,  100% { opacity: 1;   }
    50%        { opacity: 0.4; }
}

.newssync-skeleton-pulse {
    animation: newssync-pulse 1.4s ease-in-out infinite;
}

/* ── Error state ─────────────────────────────────────────────────────────── */
.newssync-async-error {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5em;
}

.newssync-async-error-msg {
    text-align: center;
    color: #d63638;
    margin: 0;
    font-size: 0.9em;
}