/**
 * Game List Page CSS
 * 게임 리스트 페이지 전용 스타일
 * Design System v2.0
 */

/* ========================================
   Trending Section (인기 게임)
   ======================================== */

.trending-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-md) 0;
}

.trending-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
}

.trending-section__title {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
}

.trending-section__icon {
  color: var(--danger);
  font-size: 24px;
}

/* Horizontal scroll container */
.trending-scroll {
  display: flex;
  gap: var(--spacing-md);
  overflow-x: auto;
  scroll-behavior: smooth;
  padding-bottom: var(--spacing-sm);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.trending-scroll::-webkit-scrollbar {
  height: 6px;
}

.trending-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.trending-scroll::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-sm);
}

/* Trending Card */
.trending-card {
  flex: 0 0 180px;
  display: block;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.trending-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.trending-card:active {
  transform: translateY(-1px);
}

.trending-card__image {
  width: 100%;
  height: 110px;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.trending-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.trending-card__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
}

.trending-card__image-placeholder .material-icons {
  font-size: 32px;
  color: var(--text-tertiary);
}

.trending-card__content {
  padding: var(--spacing-sm);
}

.trending-card__title {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
}

.trending-card__stats {
  display: flex;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.trending-card__stat {
  display: flex;
  align-items: center;
  gap: 2px;
}

.trending-card__stat .material-icons {
  font-size: 14px;
}

/* Trending card animation */
.trending-card {
  animation: fade-in 0.3s ease-out;
}

/* Mobile: smaller trending cards */
@media (max-width: 767px) {
  .trending-card {
    flex: 0 0 150px;
  }

  .trending-card__image {
    height: 90px;
  }

  .trending-section__title {
    font-size: var(--font-size-base);
  }
}

/* Touch device optimization */
@media (hover: none) and (pointer: coarse) {
  .trending-card:hover {
    transform: none;
  }

  .trending-card:active {
    transform: scale(0.98);
  }
}

/* ========================================
   Recommended Section (맞춤 추천 게임)
   ======================================== */

.recommended-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-md) 0;
}

.recommended-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
}

.recommended-section__title {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
}

.recommended-section__icon {
  color: var(--warning, #f59e0b);
  font-size: 24px;
}

/* Horizontal scroll container (추천) */
.recommended-scroll {
  display: flex;
  gap: var(--spacing-md);
  overflow-x: auto;
  scroll-behavior: smooth;
  padding-bottom: var(--spacing-sm);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.recommended-scroll::-webkit-scrollbar {
  height: 6px;
}

.recommended-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.recommended-scroll::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-sm);
}

/* Mobile: recommended section */
@media (max-width: 767px) {
  .recommended-section__title {
    font-size: var(--font-size-base);
  }
}

/* ========================================
   Category Filter (카테고리 칩)
   ======================================== */

/* Wrapper provides the fade-gradient scroll hint */
.category-filter-wrap {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

.category-filter-wrap::after {
  content: '';
  display: none;
  position: absolute;
  top: 0;
  right: 0;
  width: 48px;
  height: 100%;
  background: linear-gradient(to right, transparent, var(--bg, #ffffff));
  pointer-events: none;
  z-index: 1;
}

.category-filter {
  display: flex;
  gap: var(--spacing-sm);
  padding: 0 var(--spacing-md) var(--spacing-sm);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.category-filter::-webkit-scrollbar {
  display: none;
}

.category-chip {
  flex-shrink: 0;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

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

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

.category-chip.active:hover {
  background: var(--primary-hover);
  color: white;
}

/* Mobile: smaller chips + scroll hint gradient */
@media (max-width: 767px) {
  .category-filter-wrap::after {
    display: block;
  }

  .category-filter {
    padding: 0 var(--spacing-sm) var(--spacing-xs);
  }

  .category-chip {
    padding: 5px 12px;
    font-size: var(--font-size-xs);
  }
}

/* Sort Container (헤더 아래) */
.sort-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md);
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--spacing-sm);
  background-color: var(--bg);
}

/* Search Bar */
.search-bar {
  flex: 1;
  max-width: 400px;
  position: relative;
  display: flex;
  align-items: center;
}

.search-bar__icon {
  position: absolute;
  left: var(--spacing-sm);
  font-size: 20px;
  color: var(--text-tertiary);
  pointer-events: none;
}

.search-bar__input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  padding-left: 36px;
  padding-right: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-1);
}

.search-bar__input::placeholder {
  color: var(--text-tertiary);
}

.search-bar__input:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-2);
}

.search-bar__input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.search-bar__clear {
  position: absolute;
  right: var(--spacing-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.search-bar__clear:hover {
  background: var(--border-light);
  color: var(--text-primary);
}

.search-bar__clear .material-icons {
  font-size: 18px;
}

.sort-dropdown {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  min-width: 140px;
  box-shadow: var(--shadow-1);
}

/* Leaderboard nav button in sort-container */
.leaderboard-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-1);
}

.leaderboard-nav-btn .material-icons {
  font-size: 18px;
}

.leaderboard-nav-btn:hover {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-2);
}

.sort-dropdown:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-2);
}

.sort-dropdown:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.sort-dropdown option {
  background: var(--surface);
  color: var(--text-primary);
}

/* Main */
.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  position: relative;
  min-height: 60vh;
}

/* Section Header (전체 게임 N) */
.game-list-section-header {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-xs);
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
}

.game-list-section-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
}

.game-list-section-count {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* Game Grid → Vertical List */
.game-grid {
  display: flex;
  flex-direction: column;
  max-width: 800px;
  margin: 0 auto;
  margin-bottom: var(--spacing-xl);
}

/* Game Card → Horizontal Row */
.game-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--surface);
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: background var(--transition-fast);
}

.game-card:hover {
  background: var(--bg);
}

.game-card:active {
  background: var(--bg);
}

.game-card__image {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (min-width: 768px) {
  .game-card__image {
    width: 96px;
    height: 96px;
  }
}

.game-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.game-card__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
}

.game-card__image-placeholder .material-icons {
  font-size: 32px;
  color: var(--text-tertiary);
}

.game-card__content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  padding: 0;
}

.game-card__title {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
}

.game-card__category {
  display: inline-block;
  padding: 2px 8px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 8px;
  font-size: var(--font-size-xs);
  font-weight: 500;
  width: fit-content;
}

.game-card__stats {
  display: flex;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.game-card__stat {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.game-card__stat .material-icons {
  font-size: 16px;
}

/* Error State */
.error-state {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-md);
}

.error-state__icon {
  font-size: 64px;
  color: var(--danger);
  margin-bottom: var(--spacing-md);
}

.error-state__message {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.error-state__retry-btn {
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--primary);
  color: white;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  transition: background var(--transition-normal);
  box-shadow: var(--shadow-1);
}

.error-state__retry-btn:hover {
  background: var(--primary-hover);
  box-shadow: var(--shadow-2);
}

.error-state__retry-btn:active {
  transform: scale(0.98);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-md);
}

.empty-state__icon {
  font-size: 64px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

.empty-state__message {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
}

/* Load More Button */
.load-more {
  text-align: center;
  margin: var(--spacing-xl) 0 var(--spacing-2xl);
}

.load-more__btn {
  padding: var(--spacing-md) var(--spacing-2xl);
  background: var(--surface);
  color: var(--primary);
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  transition: all var(--transition-normal);
  min-width: 200px;
  box-shadow: var(--shadow-1);
}

.load-more__btn:hover {
  background: var(--primary-light);
  color: var(--primary);
  box-shadow: var(--shadow-2);
}

.load-more__btn:active {
  transform: scale(0.98);
}

.load-more__btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background: var(--border);
  color: var(--text-secondary);
  border-color: var(--border);
}

/* Loading Spinner (페이지 중앙) */
#loadingSpinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* 모바일 최적화 */
@media (max-width: 767px) {
  .sort-container {
    flex-wrap: wrap;
    gap: var(--spacing-xs);
  }

  .search-bar {
    max-width: none;
    order: -1;
    flex: 1 1 100%;
  }

  .sort-dropdown {
    flex: 1 1 auto;
    min-width: 0;
  }

  .leaderboard-nav-btn {
    display: none;
  }

  .game-card__title {
    font-size: var(--font-size-sm);
  }

  .game-card__stats {
    font-size: var(--font-size-xs);
  }
}

/* 애니메이션 */
@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.game-card {
  animation: fade-in 0.2s ease-out;
}