/*
 * NewVib Magazine Theme — Skeleton Loading Screens
 * Shown while AJAX content loads (infinite scroll, load more, etc.)
 */

/* ── Base Shimmer Animation ── */
@keyframes nvSkeletonShimmer {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

/* ── Skeleton Base ── */
.nv-skeleton {
  pointer-events: none;
  user-select: none;
}

.nv-skeleton__line,
.nv-skeleton__image,
.nv-skeleton__circle,
.nv-skeleton__badge {
  background: linear-gradient(
    90deg,
    rgba(0,0,0,0.06) 25%,
    rgba(0,0,0,0.1)  50%,
    rgba(0,0,0,0.06) 75%
  );
  background-size: 800px 100%;
  animation: nvSkeletonShimmer 1.4s ease-in-out infinite;
  border-radius: 4px;
}

/* ── Skeleton Image ── */
.nv-skeleton__image {
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: 0.625rem;
  margin-bottom: 1rem;
}

.nv-skeleton__image--hero {
  aspect-ratio: 16/7;
  border-radius: 0;
  height: 480px;
}

.nv-skeleton__image--thumb {
  width: 72px;
  height: 54px;
  flex-shrink: 0;
  aspect-ratio: unset;
  border-radius: 0.375rem;
}

/* ── Skeleton Lines ── */
.nv-skeleton__line {
  height: 14px;
  margin-bottom: 0.5rem;
  border-radius: 4px;
}

.nv-skeleton__line--title {
  height: 22px;
  margin-bottom: 0.75rem;
}

.nv-skeleton__line--title-lg {
  height: 32px;
  margin-bottom: 1rem;
}

.nv-skeleton__line--sm {
  height: 10px;
}

.nv-skeleton__line--w-80 { width: 80%; }
.nv-skeleton__line--w-70 { width: 70%; }
.nv-skeleton__line--w-60 { width: 60%; }
.nv-skeleton__line--w-50 { width: 50%; }
.nv-skeleton__line--w-40 { width: 40%; }
.nv-skeleton__line--w-30 { width: 30%; }

/* ── Skeleton Badge ── */
.nv-skeleton__badge {
  height: 20px;
  width: 80px;
  border-radius: 0.25rem;
  margin-bottom: 0.75rem;
  display: inline-block;
}

/* ── Skeleton Circle (avatars) ── */
.nv-skeleton__circle {
  border-radius: 50%;
  flex-shrink: 0;
}

.nv-skeleton__circle--sm {
  width: 28px;
  height: 28px;
}

.nv-skeleton__circle--md {
  width: 48px;
  height: 48px;
}

.nv-skeleton__circle--lg {
  width: 80px;
  height: 80px;
}

/* ── Skeleton Card ── */
.nv-skeleton-card {
  background: var(--nv-pure);
  border-radius: 0.625rem;
  border: 1px solid rgba(0,0,0,0.06);
  overflow: hidden;
  padding-bottom: 1.25rem;
}

.nv-skeleton-card .nv-skeleton__body {
  padding: 1.25rem;
}

.nv-skeleton-card .nv-skeleton__footer {
  padding: 0.75rem 1.25rem 0;
  border-top: 1px solid rgba(0,0,0,0.05);
  margin-top: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ── Skeleton Card — Horizontal ── */
.nv-skeleton-card--horizontal {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  border-radius: 0;
  border: none;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.nv-skeleton-card--horizontal .nv-skeleton__image {
  width: 100px;
  height: 75px;
  flex-shrink: 0;
  aspect-ratio: unset;
  margin-bottom: 0;
}

.nv-skeleton-card--horizontal .nv-skeleton__body {
  flex: 1;
  padding: 0;
}

/* ── Skeleton Sidebar Post ── */
.nv-skeleton-widget-post {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid rgba(0,0,0,0.04);
}

.nv-skeleton-widget-post .nv-skeleton__body {
  flex: 1;
  padding: 0;
}

/* ── Skeleton Hero ── */
.nv-skeleton-hero {
  position: relative;
  overflow: hidden;
}

.nv-skeleton-hero .nv-skeleton__content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 3rem;
}

/* ── Grid of Skeleton Cards ── */
.nv-skeleton-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

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

/* ── Skeleton Section Header ── */
.nv-skeleton-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2rem;
}

/* ── Fade in when loaded ── */
.nv-skeleton-grid-wrap {
  position: relative;
}

.nv-skeleton-grid-wrap .nv-skeleton-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  transition: opacity 0.4s ease;
}

.nv-skeleton-grid-wrap.is-loaded .nv-skeleton-overlay {
  opacity: 0;
  pointer-events: none;
}

/* ── Load More Skeleton ── */
.nv-load-more-skeleton {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nv-load-more-skeleton.is-visible {
  opacity: 1;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .nv-skeleton-grid     { grid-template-columns: repeat(2, 1fr); }
  .nv-load-more-skeleton{ grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .nv-skeleton-grid     { grid-template-columns: 1fr; }
  .nv-skeleton-grid--2  { grid-template-columns: 1fr; }
  .nv-load-more-skeleton{ grid-template-columns: 1fr; }
}