/* ==========================================================================
   Module: Card News
   ========================================================================== */
.card-news {
  background: var(--color-dark-2);
  border: 1px solid var(--color-dark-3);
  border-radius: var(--card-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  position: relative;
  z-index: 1;
}

/* Hiệu ứng viền chạy */
.card-news::before,
.card-news::after {
  content: '';
  position: absolute;
  inset: 0;
  padding: 2px;
  border-radius: inherit;
  background: conic-gradient(from var(--angle), transparent, var(--color-primary), var(--color-gold), transparent 30%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  z-index: 10;
  opacity: 0;
  transition: opacity 0.4s ease;
  animation: rotate-border 4s linear infinite;
  pointer-events: none;
}

.card-news::after {
  background: conic-gradient(from var(--angle), transparent 50%, var(--color-gold), var(--color-primary), transparent 80%);
}

.card-news:hover {
  transform: translateY(-8px);
  border-color: transparent;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.card-news:hover::before,
.card-news:hover::after {
  opacity: 1;
}

.card-news__title a::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}

.card-news__image-wrap {
  position: relative;
  display: block;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-dark-1);
}

.card-news__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  /* Tối ưu hiển thị Alt text khi lỗi ảnh */
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-news:hover .card-news__image { transform: scale(1.04); }

.card-news__category {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
}

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

.card-news__date {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.card-news__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  line-height: var(--leading-snug);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-news__title a { color: inherit; transition: color var(--transition-fast); }
.card-news__title a:hover { color: var(--color-primary); }

.card-news__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.card-news__read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  margin-top: auto;
  transition: gap var(--transition-fast);
}

.card-news__read-more:hover { gap: var(--space-2); }

@media (max-width: 768px) {
  /* ==========================================================================
     MOBILE RESPONSIVE UPGRADES (SCOPE ISOLATION)
     Nén không gian thẻ News Card cho layout 2 thẻ 1 dòng
     ========================================================================== */
  .card-news__body {
    padding: 0.5rem !important;
    gap: 0.25rem !important;
  }
  .card-news__title {
    font-size: 0.85rem !important;
    line-height: 1.3 !important;
  }
  .card-news__category {
    top: 0.25rem !important;
    left: 0.25rem !important;
  }
  .card-news__category .badge {
    padding: 2px 6px !important;
    font-size: 0.6rem !important;
  }
  .card-news__date {
    font-size: 0.65rem !important;
    margin-bottom: 0px !important;
  }
  .card-news__excerpt {
    font-size: 0.7rem !important;
    line-height: 1.3 !important;
    margin-bottom: 0.25rem !important;
  }
  .card-news__read-more {
    font-size: 0.7rem !important;
  }
}