/*
 * CraftBook Custom Theme V1 — Article Card Styles
 *
 * Covers all card variants:
 * 1.  Base card styles (shared)
 * 2.  Card image wrap and thumbnails
 * 3.  Category badge overlay
 * 4.  Card body (title, excerpt, meta)
 * 5.  Size variants (lg, md, sm)
 * 6.  No-content state
 * 7.  Hover and focus states
 */


/* =============================================================================
   1. BASE CARD
   ============================================================================= */

.card {
  background-color: var(--color-background-alt);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition:
    box-shadow var(--transition-base),
    transform var(--transition-base),
    border-color var(--transition-fast);
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
  border-color: var(--color-border-strong);
}

.card:focus-within {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-focus);
}

@media (prefers-reduced-motion: reduce) {
  .card:hover { transform: none; }
}


/* =============================================================================
   2. CARD IMAGE
   ============================================================================= */

.card__image-wrap {
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

/* Aspect ratio maintained by utility classes on the wrapper:
   .ratio-16x9, .ratio-3x2, .ratio-4x3 defined in style.css */

.card__image-wrap img,
.post-thumbnail__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform var(--transition-slow);
}

.card:hover .card__image-wrap img,
.card:hover .post-thumbnail__img {
  transform: scale(1.04);
}

@media (prefers-reduced-motion: reduce) {
  .card:hover .card__image-wrap img,
  .card:hover .post-thumbnail__img {
    transform: none;
  }
}

/* Post thumbnail link wrapper */
.post-thumbnail__link {
  display: block;
  width: 100%;
  height: 100%;
}

/* Placeholder when no featured image */
.post-thumbnail--placeholder {
  background: linear-gradient(135deg, var(--color-background-subtle) 0%, var(--color-border) 100%);
}


/* =============================================================================
   3. CATEGORY BADGE (overlay on image)
   ============================================================================= */

.card__category-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  z-index: var(--z-raised);
}

.card__category-badge .category-label {
  background-color: rgba(15, 17, 24, 0.75);
  color: #FFFFFF;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: background-color var(--transition-fast);
}

.card__category-badge .category-label:hover {
  background-color: var(--color-accent);
  color: #FFFFFF;
}


/* =============================================================================
   4. CARD BODY
   ============================================================================= */

.card__body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

/* Standalone category label (not badge) — shown in card body */
.card__body > .category-label {
  font-size: var(--text-xs);
}

/* Card title */
.card__title {
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  color: var(--color-heading);
  margin: 0;
}

.card__title-link {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
  /* Expand click area to whole card using pseudo-element */
  position: relative;
}

/* Full-card click area — the title link expands to cover the whole card */
.card__title-link::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: var(--z-raised);
  border-radius: var(--radius-lg);
}

/* Ensure the category badge link is above the card overlay */
.card__category-badge { z-index: calc(var(--z-raised) + 1); }

.card__title-link:hover {
  color: var(--color-accent);
}

.card__title-link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* Card excerpt */
.card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Card meta pushed to bottom */
.card__body .post-meta {
  margin-top: auto;
  padding-top: var(--space-2);
  border-top: var(--border-width) solid var(--color-border);
}


/* =============================================================================
   5. SIZE VARIANTS
   ============================================================================= */

/* Large card — homepage primary featured */
.card--large .card__body {
  padding: var(--space-6);
}

.card__title--lg {
  font-size: var(--text-2xl);
}

/* Medium card — standard grid card */
.card--md .card__title {
  font-size: var(--text-lg);
}

/* Small card — related posts, sidebar */
.card--sm .card__body {
  padding: var(--space-4);
  gap: var(--space-2);
}

.card__title--sm {
  font-size: var(--text-base);
}

.card--sm .card__excerpt {
  -webkit-line-clamp: 2;
}


/* =============================================================================
   6. NO CONTENT STATE
   ============================================================================= */

.content-none {
  padding-block: var(--space-16);
  text-align: center;
}

.content-none__inner {
  max-width: 480px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.content-none__icon {
  color: var(--color-border-strong);
  opacity: 0.6;
}

.content-none__heading {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-heading);
  margin: 0;
}

.content-none__description {
  font-size: var(--text-base);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
  margin: 0;
}

.content-none__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
}