/* Levels Page Styles */

/* Page Header */
.page-header {
  background: var(--gradient-hero);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.page-header__title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-4xl);
  font-weight: 800;
  margin-bottom: var(--spacing-sm);
}

.page-header__subtitle {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-bottom: var(--spacing-xl);
}

/* Level Controls */
.level-controls {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
  max-width: 600px;
  margin: 0 auto;
}

.level-search {
  display: flex;
  gap: var(--spacing-sm);
  width: 100%;
  max-width: 400px;
}

.level-search input {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
}

.level-filter {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: center;
}

.filter-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn--active {
  background: var(--color-white);
  color: var(--color-primary);
}

/* Levels Grid - Enhanced */
.levels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--spacing-md);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-2xl);
  flex-wrap: wrap;
}

.pagination__btn {
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.pagination__btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination__btn--active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.pagination__btn--disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination__ellipsis {
  padding: 0 var(--spacing-sm);
  color: var(--color-gray-400);
}

/* Level Detail Page Styles */
.level-detail {
  padding: var(--spacing-2xl) 0;
}

.level-detail__header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.level-detail__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--gradient-hero);
  color: var(--color-white);
  font-family: var(--font-family-display);
  font-size: var(--font-size-3xl);
  font-weight: 800;
  border-radius: var(--radius-xl);
  margin-bottom: var(--spacing-md);
}

.level-detail__title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.level-detail__meta {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  color: var(--color-gray-500);
}

/* Video Section */
.video-section {
  background: var(--color-gray-100);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.video-section__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-gray-900);
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Solution Steps */
.solution-section {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
}

.solution-section__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.solution-steps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.solution-step {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
}

.solution-step__number {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.solution-step__text {
  flex: 1;
  line-height: 1.6;
}

/* Tips Box */
.tips-box {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.tips-box__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.tips-box__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.tips-box__item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.tips-box__item::before {
  content: '💡';
}

/* Level Navigation */
.level-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xl) 0;
  border-top: 1px solid var(--color-gray-200);
}

.level-nav__btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.level-nav__btn:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.level-nav__btn--disabled {
  opacity: 0.5;
  pointer-events: none;
}

/* Game Section */
.game-section {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
}

.game-section__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Play Card - Compact Game Entry */
.play-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  max-width: 420px;
  margin: 0 auto;
  padding: var(--spacing-md);
  background: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.play-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.play-card__preview {
  position: relative;
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.play-card__preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.play-card__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.play-card__icon {
  width: 28px;
  height: 28px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  color: var(--color-primary);
}

.play-card__content {
  flex: 1;
  min-width: 0;
}

.play-card__title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-gray-800);
  margin-bottom: 2px;
}

.play-card__text {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

.play-card__btn {
  flex-shrink: 0;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: background var(--transition-fast);
}

.play-card:hover .play-card__btn {
  background: var(--color-primary-dark);
}

@media (max-width: 480px) {
  .play-card {
    max-width: 100%;
  }
  
  .play-card__text {
    display: none;
  }
}

/* Video Placeholder */
.video-placeholder {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.video-placeholder__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-placeholder__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-placeholder__content {
  text-align: center;
  color: var(--color-white);
  padding: var(--spacing-xl);
}

.video-placeholder__icon {
  font-size: 3rem;
  display: block;
  margin-bottom: var(--spacing-md);
}

.video-placeholder__text {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.video-placeholder__hint {
  opacity: 0.8;
  font-size: var(--font-size-sm);
}

/* Responsive */
@media (max-width: 768px) {
  .page-header__title {
    font-size: var(--font-size-2xl);
  }
  
  .levels-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  }
  
  .level-detail__meta {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .level-nav {
    flex-direction: column;
    gap: var(--spacing-md);
  }
}


/* ========================================
   NEW STYLES - SEO & UX Enhancements
   ======================================== */

/* Breadcrumb Navigation */
.breadcrumb {
  background: var(--color-gray-50);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.breadcrumb__list {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  flex-wrap: wrap;
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.breadcrumb__item:not(:last-child)::after {
  content: '›';
  color: var(--color-gray-400);
}

.breadcrumb__item a {
  color: var(--color-gray-600);
  transition: color var(--transition-fast);
}

.breadcrumb__item a:hover {
  color: var(--color-primary);
}

.breadcrumb__item--active {
  color: var(--color-gray-800);
  font-weight: 500;
}

/* Level Detail Badges */
.level-detail__meta {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  color: var(--color-gray-500);
  flex-wrap: wrap;
}

.level-detail__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.level-detail__badge--easy {
  background: #dcfce7;
  color: #166534;
}

.level-detail__badge--medium {
  background: #fef3c7;
  color: #92400e;
}

.level-detail__badge--hard {
  background: #fee2e2;
  color: #991b1b;
}

.level-detail__badge--video {
  background: #dbeafe;
  color: #1e40af;
}

.level-detail__badge--coming {
  background: var(--color-gray-200);
  color: var(--color-gray-600);
}

/* Related Levels Section */
.related-levels {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
}

.related-levels__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.related-levels__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--spacing-md);
}

/* Level Card Video Badge */
.level-card {
  position: relative;
}

.level-card__video-badge {
  position: absolute;
  top: var(--spacing-xs);
  right: var(--spacing-xs);
  font-size: var(--font-size-xs);
  background: rgba(255, 255, 255, 0.9);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

/* Level Progress / Mark Complete */
.level-progress {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.level-progress__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

.level-progress__btn:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.level-progress__btn.completed {
  background: var(--color-success);
  color: var(--color-white);
  border-color: var(--color-success);
}

.level-progress__btn.completed .level-progress__icon {
  content: '✓';
}

.level-progress__btn.completed .level-progress__icon::before {
  content: '✓';
}

/* Enhanced Search with Suggestions */
.search-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  margin-top: var(--spacing-xs);
  max-height: 300px;
  overflow-y: auto;
  z-index: 100;
  display: none;
}

.search-suggestions.active {
  display: block;
}

.search-suggestion {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-gray-100);
  transition: background var(--transition-fast);
}

.search-suggestion:hover {
  background: var(--color-gray-50);
}

.search-suggestion:last-child {
  border-bottom: none;
}

.search-suggestion__number {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.search-suggestion__info {
  flex: 1;
}

.search-suggestion__title {
  font-weight: 500;
  color: var(--color-gray-800);
}

.search-suggestion__meta {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

/* Level Card Difficulty Colors */
.level-card__difficulty--easy {
  background: #dcfce7;
  color: #166534;
}

.level-card__difficulty--medium {
  background: #fef3c7;
  color: #92400e;
}

.level-card__difficulty--hard {
  background: #fee2e2;
  color: #991b1b;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .breadcrumb {
    padding: var(--spacing-sm) 0;
  }
  
  .breadcrumb__list {
    font-size: var(--font-size-xs);
  }
  
  .related-levels__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .level-detail__badge {
    font-size: var(--font-size-xs);
  }
}


/* Level Card Complete State */
.level-card--completed {
  border-color: var(--color-success);
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.level-card__complete-badge {
  position: absolute;
  top: var(--spacing-xs);
  left: var(--spacing-xs);
  width: 20px;
  height: 20px;
  background: var(--color-success);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: bold;
}


/* Comments Section - Disqus */
.comments-section {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
}

.comments-section__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-gray-200);
}

#disqus_thread {
  min-height: 200px;
}