/* ========================================
   COMPONENTE CARDS DE CONTEÚDO
   ======================================== */

/* Link wrapper para cards */
.post-card-link {
  display: contents;
  text-decoration: none;
  color: inherit;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-md) 0;
}

.post-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.post-card:hover {
  border-color: var(--accent-yellow);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.post-card__image-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  overflow: hidden;
  background-color: var(--border-color);
}

.post-card__image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.post-card:hover .post-card__image {
  transform: scale(1.05);
}

/* tags padrão posicionadas na imagem (quando dentro de .post-card__image-wrapper) */
.post-card__image-wrapper > .post-card__category-tag {
  position: absolute;
  top: var(--space-base);
  right: var(--space-base);
  background-color: var(--accent-yellow);
  color: var(--bg-primary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  /* inicialmente invisível, aparece ao passar o mouse sobre o cartão */
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 180ms ease, transform 180ms ease;
}

/* quando a tag está dentro do conteúdo, comportamento não absoluto */
.post-card__content > .post-card__category-tag {
  position: static;
  display: inline-block;
  margin-bottom: var(--space-sm);
  background-color: var(--accent-yellow);
  color: var(--bg-primary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.post-card__content {
  padding: var(--space-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* mostrar tag ao hover sobre o cartão */
.post-card:hover .post-card__image-wrapper > .post-card__category-tag {
  opacity: 1;
  transform: translateY(0);
}

.post-card__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card__description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-base);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.post-card__metadata {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-base);
  border-top: 1px solid var(--border-color);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.post-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.post-card__avatar {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background-color: var(--border-light);
}

.post-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
  display: block;
}

.post-card__date {
  white-space: nowrap;
}

/* Estados especiais */
.post-card.featured {
  grid-column: span 1;
  min-height: 100%;
}

@media (min-width: 1040px) {
  .post-card.featured {
    grid-column: span 2;
    grid-row: span 2;
  }

  .post-card.featured .post-card__image-wrapper {
    padding-bottom: 100%;
  }
}

@media (max-width: 768px) {
  .content-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-md);
  }

  .post-card.featured {
    grid-column: span 1;
  }
}

@media (max-width: 480px) {
  .content-grid {
    grid-template-columns: 1fr;
    gap: var(--space-base);
  }

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

  .post-card__content {
    padding: var(--space-base);
  }
}