/* Components */

/* Buttons */
.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: var(--space-xs);
  border-radius: 50%;
  transition: background-color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  background-color: var(--border-color);
}

.btn-icon svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* Category Filters (Inside Header) */
.filters {
  display: flex;
  justify-content: flex-start;
  gap: var(--space-sm);
  margin: 0;
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none; /* Firefox */
  min-width: 0;
}

@media (min-width: 769px) {
  .filters {
    justify-content: center;
  }
}

.filters::-webkit-scrollbar {
  display: none; /* Chrome, Safari */
}

.chip {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.chip:hover {
  background: var(--border-color);
  color: var(--text-primary);
}

.chip.active {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

.chip-sm {
  padding: 4px 10px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Hero Section (Cinematic Slider) */
.hero-slider {
  width: 100%;
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 21 / 9;
  background: var(--bg-secondary);
  animation: fadeInUp 0.6s var(--transition-bounce) both;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
  pointer-events: none;
  z-index: 1;
}

.hero-slide.active {
  opacity: 1;
  pointer-events: auto;
  z-index: 2;
}

.hero-img-wrap {
  display: block;
  position: relative;
  width: 100%;
  height: 100%;
  text-decoration: none;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 6s linear; /* Slow zoom effect while active */
  transform: scale(1);
}

.hero-slide.active .hero-img {
  transform: scale(1.05);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
  pointer-events: none;
}

.hero-content {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--space-2xl);
  padding-bottom: calc(var(--space-2xl) + 20px); /* Space for dots */
  color: #FFFFFF;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
}

.hero-category {
  color: #60a5fa;
}

.hero-title {
  font-family: var(--font-sans);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
  color: #FFFFFF;
}

.hero-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 800px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Slider Navigation Buttons & Dots */
.hero-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-fast);
  opacity: 0; /* Hidden by default, show on hover */
}

.hero-slider:hover .hero-nav-btn {
  opacity: 1;
}

.hero-nav-btn:hover {
  background: rgba(0, 0, 0, 0.7);
  transform: translateY(-50%) scale(1.05);
}

.hero-nav-btn.prev {
  left: var(--space-md);
}

.hero-nav-btn.next {
  right: var(--space-md);
}

.hero-nav-btn svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.hero-nav {
  position: absolute;
  bottom: var(--space-lg);
  right: var(--space-2xl);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.hero-dot {
  width: 32px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  border: none;
  padding: 0;
  transition: all var(--transition-fast);
}

.hero-dot:hover {
  background: rgba(255, 255, 255, 0.6);
}

.hero-dot.active {
  background: #FFFFFF;
  box-shadow: 0 0 8px rgba(255,255,255,0.5);
}

@media (max-width: 768px) {
  .hero-slider {
    aspect-ratio: 16 / 9;
  }
  .hero-content {
    padding: var(--space-xl);
    padding-bottom: calc(var(--space-xl) + 20px);
  }
  .hero-nav {
    right: var(--space-xl);
    bottom: var(--space-md);
  }
}

/* Premium News Cards (Grid) */
.card {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: all var(--transition-normal);
  animation: fadeInUp 0.6s var(--transition-bounce) both;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--border-color);
  overflow: hidden;
}

.card-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.card-content {
  padding: var(--space-xl);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-source {
  font-weight: 700;
  color: var(--text-primary);
}

.card-title {
  font-size: 1.25rem;
  font-family: var(--font-sans);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition-fast);
}

.card:hover .card-title {
  color: var(--accent);
}

.card-actions {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  margin-top: auto;
  padding-top: var(--space-md);
}

/* Modifiers for Cards */
.card.read-article::after, .hero-slide.read-article::after {
  content: '✓ Read';
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(0,0,0,0.7);
  color: #fff;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  z-index: 10;
  backdrop-filter: blur(4px);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Stagger card animations */
.news-grid .card:nth-child(1) { animation-delay: 0.1s; }
.news-grid .card:nth-child(2) { animation-delay: 0.2s; }
.news-grid .card:nth-child(3) { animation-delay: 0.3s; }
.news-grid .card:nth-child(4) { animation-delay: 0.4s; }
.news-grid .card:nth-child(5) { animation-delay: 0.5s; }
.news-grid .card:nth-child(6) { animation-delay: 0.6s; }

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--border-color) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text {
  height: 1rem;
  margin-bottom: 0.5rem;
  width: 100%;
}

.skeleton-text.short {
  width: 60%;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.chip[draggable="true"] {
  cursor: grab;
}
.chip.dragging {
  cursor: grabbing;
}