/*
 * AI News Carousel
 * Horizontal scrollable carousel with auto-scroll and snap
 */

.news-carousel-section {
  padding: var(--sp-10) var(--sp-8);
  max-width: 860px;
  margin: 0 auto;
  border-top: 1px solid var(--border-subtle);
}

.news-carousel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-6);
}

.news-carousel-title {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
}

.news-carousel-subtitle {
  margin-top: var(--sp-1);
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.carousel-nav {
  display: flex;
  gap: var(--sp-2);
}

.carousel-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  display: grid;
  place-items: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--dur-fast);
}

.carousel-btn:hover {
  background: var(--amber-glow);
  border-color: var(--amber-dim);
  color: var(--amber);
}

/* Track */
.carousel-track-wrapper {
  position: relative;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  gap: var(--sp-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--sp-2);
}

.carousel-track::-webkit-scrollbar {
  display: none;
}

/* Cards */
.carousel-card {
  flex: 0 0 calc(33.333% - var(--sp-4) * 2 / 3);
  scroll-snap-align: start;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  transition: border-color var(--dur-normal) var(--ease-out), transform var(--dur-normal) var(--ease-out);
  min-height: 200px;
}

.carousel-card:hover {
  border-color: var(--amber-dim);
  transform: translateY(-2px);
}

.carousel-card-source {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.carousel-card-date {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-left: auto;
}

.carousel-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.carousel-card-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.carousel-card-excerpt {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.carousel-card-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--amber);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  transition: color var(--dur-fast);
  margin-top: auto;
}

.carousel-card-link:hover {
  color: var(--amber-light);
}

.carousel-card-link i {
  font-size: 0.875rem;
  transition: transform var(--dur-fast);
}

.carousel-card-link:hover i {
  transform: translateX(2px);
}

.carousel-empty {
  width: 100%;
  padding: var(--sp-6);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: var(--text-sm);
  text-align: center;
}

/* Category badge */
.carousel-card-category {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text-muted);
}

/* Dot indicators */
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}

.carousel-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border-default);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all var(--dur-fast);
}

.carousel-dot.active {
  background: var(--amber);
  width: 18px;
  border-radius: 3px;
}

/* ─── Responsive ─── */

@media (max-width: 1024px) {
  .carousel-card {
    flex: 0 0 calc(50% - var(--sp-4) / 2);
  }
  .news-carousel-section {
    padding: var(--sp-8) var(--sp-6);
  }
}

@media (max-width: 768px) {
  .carousel-card {
    flex: 0 0 85%;
  }
  .news-carousel-section {
    padding: var(--sp-6) var(--sp-4);
  }
  .carousel-nav {
    display: none;
  }
}