/* ==========================================================================
   Admin Edit-Mode Utilities
   ========================================================================== */

/**
 * Wrapper for a card in admin edit-mode. Adds bottom padding so the
 * "Edit Card" link does not overlap the card content.
 */
.veeva-fs-edit-card-wrapper {
  padding-bottom: 20px;
}

/**
 * Inner link wrapper used in edit-mode cards. Sets a column layout with
 * a gap so the card sections are visually separated.
 */
.veeva-fs-edit-card-inner {
  gap: 20px;
  flex-direction: column;
  display: flex;
}

/**
 * Admin "Edit Card" link rendered by templates/admin-edit-link.php.
 */
.veeva-fs-edit-card-link {
  font-size: 0.9em;
  text-decoration: underline;
}

/* ==========================================================================
   Skeleton Loading Cards
   ========================================================================== */

/**
 * Skeleton card that mimics the resource-card structure.
 * Uses CSS animation for a shimmer effect while loading.
 */
.resource-card--skeleton {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  pointer-events: none;
  min-height: 320px;
}

.resource-card--skeleton .resource-card__text {
  padding: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.resource-card--skeleton .resource-card__media {
  height: 148px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 3.5s infinite;
}

/* Skeleton chip placeholder */
.skeleton-chip {
  display: flex;
  align-items: center;
  gap: 8px;
}

.skeleton-chip__icon {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 3.5s infinite;
}

.skeleton-chip__text {
  width: 80px;
  height: 16px;
  border-radius: 4px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 3.5s infinite;
}

/* Skeleton eyebrow placeholder */
.skeleton-eyebrow {
  width: 100px;
  height: 14px;
  border-radius: 4px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 3.5s infinite;
}

/* Skeleton title placeholder - two lines */
.skeleton-title {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.skeleton-title__line {
  height: 20px;
  border-radius: 4px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 3.5s infinite;
}

.skeleton-title__line:first-child {
  width: 100%;
}

.skeleton-title__line:last-child {
  width: 70%;
}

/* Shimmer animation */
@keyframes skeleton-shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Stagger animation for multiple skeleton cards */
.resource-card--skeleton:nth-child(1) .skeleton-chip__icon,
.resource-card--skeleton:nth-child(1) .skeleton-chip__text,
.resource-card--skeleton:nth-child(1) .skeleton-eyebrow,
.resource-card--skeleton:nth-child(1) .skeleton-title__line,
.resource-card--skeleton:nth-child(1) .resource-card__media {
  animation-delay: 0s;
}

.resource-card--skeleton:nth-child(2) .skeleton-chip__icon,
.resource-card--skeleton:nth-child(2) .skeleton-chip__text,
.resource-card--skeleton:nth-child(2) .skeleton-eyebrow,
.resource-card--skeleton:nth-child(2) .skeleton-title__line,
.resource-card--skeleton:nth-child(2) .resource-card__media {
  animation-delay: 0.1s;
}

.resource-card--skeleton:nth-child(3) .skeleton-chip__icon,
.resource-card--skeleton:nth-child(3) .skeleton-chip__text,
.resource-card--skeleton:nth-child(3) .skeleton-eyebrow,
.resource-card--skeleton:nth-child(3) .skeleton-title__line,
.resource-card--skeleton:nth-child(3) .resource-card__media {
  animation-delay: 0.2s;
}

.resource-card--skeleton:nth-child(4) .skeleton-chip__icon,
.resource-card--skeleton:nth-child(4) .skeleton-chip__text,
.resource-card--skeleton:nth-child(4) .skeleton-eyebrow,
.resource-card--skeleton:nth-child(4) .skeleton-title__line,
.resource-card--skeleton:nth-child(4) .resource-card__media {
  animation-delay: 0.3s;
}

/* Fade in animation for real cards when they load */
.resource-card {
  animation: card-fade-in 0.3s ease-out;

  /* Initial state: invisible */
  img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.5s ease-in;
  }

  /* Loaded state: fade in */
  img[loading="lazy"].loaded {
    opacity: 1;
  }
}

@keyframes card-fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}