/* ========================================
   カリキュラムページスタイル
   ======================================== */

/* フィルターセクション */
.curriculum-filter-section {
  padding: var(--spacing-8) 0;
  background-color: var(--color-neutral-50);
  border-bottom: 1px solid var(--color-neutral-200);
}

.curriculum-filter {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
  align-items: flex-start;
}

.curriculum-filter__search {
  position: relative;
  max-width: 400px;
  width: 100%;
}

.curriculum-filter__input {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  padding-right: var(--spacing-12);
  border: 2px solid var(--color-neutral-300);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  background-color: var(--color-neutral-white);
  transition: all 0.2s ease;
}

.curriculum-filter__input:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

.curriculum-filter__button {
  position: absolute;
  right: var(--spacing-2);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  padding: var(--spacing-2);
  cursor: pointer;
  color: var(--color-neutral-500);
  transition: color 0.2s ease;
}

.curriculum-filter__button:hover {
  color: var(--color-primary-500);
}

.curriculum-filter__icon {
  width: 20px;
  height: 20px;
}

.curriculum-filter__categories {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  justify-content: flex-start;
}

.curriculum-filter__groups {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-5);
  width: 100%;
}

.curriculum-filter__group-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-neutral-600);
  margin-bottom: var(--spacing-2);
}

.curriculum-filter__theme-wrapper {
  width: 100%;
}

.curriculum-filter__themes-header {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-3);
  align-items: center;
  margin-bottom: var(--spacing-2);
}

.curriculum-filter__theme-group + .curriculum-filter__theme-group {
  margin-top: var(--spacing-3);
}

.curriculum-filter__theme-heading {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-neutral-700);
  margin-bottom: var(--spacing-1);
}

.curriculum-filter__themes {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

.curriculum-filter__btn {
  padding: var(--spacing-2) var(--spacing-4);
  border: 2px solid var(--color-neutral-300);
  border-radius: var(--radius-md);
  background-color: var(--color-neutral-white);
  color: var(--color-neutral-600);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.curriculum-filter__btn:hover {
  border-color: var(--color-primary-300);
  color: var(--color-primary-600);
}

.curriculum-filter__btn--active {
  background-color: var(--color-primary-500);
  border-color: var(--color-primary-500);
  color: var(--color-neutral-white);
}

.curriculum-filter__btn--active:hover {
  background-color: var(--color-primary-600);
  border-color: var(--color-primary-600);
  color: var(--color-neutral-white);
}

/* カリキュラムレイアウト */
.curriculum-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--spacing-8);
  align-items: start;
}

@media (max-width: 1024px) {
  .curriculum-layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
  }
}

@media (max-width: 767px) {
  .curriculum-filter__themes-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* メインコンテンツ */
.curriculum-main {
  min-width: 0;
}

/* カリキュラムグリッド */
.curriculum-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-8);
}

@media (max-width: 768px) {
  .curriculum-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
  }
}

/* カリキュラムカード */
.curriculum-card {
  background-color: var(--color-neutral-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--elevation-sm);
  transition: all 0.3s ease;
  border: 1px solid var(--color-neutral-200);
}

.curriculum-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--elevation-lg);
  border-color: var(--color-primary-200);
}

.curriculum-card__link {
  display: block;
  text-decoration: none;
  color: inherit;
  height: 100%;
}

.curriculum-card__media {
  position: relative;
  overflow: hidden;
  height: 200px;
}

.curriculum-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.curriculum-card__overlay {
  position: absolute;
  top: var(--spacing-3);
  right: var(--spacing-3);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.curriculum-card__level {
  display: inline-block;
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: rgba(255, 255, 255, 0.9);
  color: var(--color-primary-700);
  backdrop-filter: blur(4px);
}

.curriculum-card__duration {
  display: inline-block;
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  background-color: rgba(255, 255, 255, 0.9);
  color: var(--color-neutral-700);
  backdrop-filter: blur(4px);
}

.curriculum-card__content {
  padding: var(--spacing-6);
}

.curriculum-card__title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-neutral-900);
  margin: 0 0 var(--spacing-3) 0;
  line-height: 1.3;
  text-decoration: underline;
  text-decoration-color: var(--color-neutral-300);
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.curriculum-card__link:hover .curriculum-card__title {
  color: var(--color-primary-600);
  text-decoration-color: var(--color-primary-600);
}

.curriculum-card__excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-600);
  line-height: 1.6;
  margin: 0 0 var(--spacing-4) 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.curriculum-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-4);
}

.curriculum-card__info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.curriculum-card__category {
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-primary-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.curriculum-card__students {
  font-size: var(--font-size-xs);
  color: var(--color-neutral-500);
}

.curriculum-card__rating {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--spacing-1);
}

.curriculum-card__stars {
  font-size: var(--font-size-sm);
  color: var(--color-accent-500);
}

.curriculum-card__score {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-neutral-700);
}

.curriculum-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

.curriculum-card__tag {
  display: inline-block;
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
  background-color: var(--color-neutral-100);
  color: var(--color-neutral-700);
  border: 1px solid var(--color-neutral-200);
}

/* サイドバー */
.curriculum-sidebar {
  background-color: var(--color-neutral-50);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
  height: fit-content;
  position: sticky;
  top: calc(var(--header-height) + var(--spacing-4));
}

@media (max-width: 1024px) {
  .curriculum-sidebar {
    position: static;
    order: -1;
  }
}

/* サイドバーウィジェット */
/* sidebar-widget, sidebar-widget__courses, sidebar-course は shared-components.css で統一管理 */

/* ページネーション */
/* paginationスタイルはshared-components.cssに統合済み */

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .curriculum-filter {
    gap: var(--spacing-4);
  }
  
  .curriculum-filter__search {
    max-width: 100%;
  }
  
  .curriculum-filter__categories {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: var(--spacing-2);
  }
  
  .curriculum-filter__btn {
    white-space: nowrap;
    flex-shrink: 0;
  }
  
  .curriculum-sidebar {
    padding: var(--spacing-4);
  }
  
  
  .curriculum-card__content {
    padding: var(--spacing-4);
  }
  
  .curriculum-card__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-2);
  }
  
  .curriculum-card__rating {
    align-items: flex-start;
  }
}