/**
 * HrdFlex Theme CSS
 * HRD Archive 통합 디자인 언어 시스템
 * Date: 2025-10-16
 * Created: 배서연
 */

/* ========================================
   1. CSS 변수 & 디자인 토큰
   ======================================== */
:root {
  /* 기본 색상 */
  --primary-blue: #0066ff;
  --primary-green: #00c851;
  --primary-purple: #6f42c1;
  --primary-red: #e50914;
  --primary-yellow: #fbbf24;
  --hero-purple: #667eea;

  /* 보조 색상 */
  --hrdflex-blue: #65B8FF;
  --hrdflex-dark-blue: #3333CC;
  --rating-yellow: #fbbf24;

  /* 배경 색상 */
  --bg-white: #ffffff;
  --bg-light: #f8f9fa;
  --bg-gray: #e9ecef;
  --bg-dark: #1a1a1a;
  --bg-card: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);

  /* 텍스트 색상 */
  --text-dark: #212529;
  --text-gray: #6c757d;
  --text-light: #9ca3af;
  --text-white: #ffffff;

  /* 테두리 & 그림자 */
  --border-light: #dee2e6;
  --border-gray: #d1d1d1;
  --shadow-light: rgba(0, 0, 0, 0.1);
  --shadow-medium: rgba(0, 0, 0, 0.15);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.15);

  /* 여백 */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* 타이포그래피 */
  --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans KR', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;

  /* 테두리 반경 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 50px;

  /* 트랜지션 */
  --transition-base: all 0.3s ease;
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Z-Index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-tooltip: 500;
}

/* ========================================
   2. 초기화 및 기본 스타일
   ======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--text-dark);
  background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-white) 100%);
  line-height: 1.6;
  overflow-x: hidden;
}

/* 포커스 스타일 - 접근성 */
*:focus-visible {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-base);
}

a:hover {
  text-decoration: none;
}

.search__input {
    margin-top: 3%;
}

/* ========================================
   3. 타이포그래피 클래스
   ======================================== */
.font-xs { font-size: var(--font-size-xs); }
.font-sm { font-size: var(--font-size-sm); }
.font-base { font-size: var(--font-size-base); }
.font-lg { font-size: var(--font-size-lg); }
.font-xl { font-size: var(--font-size-xl); }
.font-2xl { font-size: var(--font-size-2xl); }
.font-3xl { font-size: var(--font-size-3xl); }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.text-dark { color: var(--text-dark); }
.text-gray { color: var(--text-gray); }
.text-light { color: var(--text-light); }
.text-white { color: var(--text-white); }
.text-primary { color: var(--primary-blue); }

/* ========================================
   4. 레이아웃 & 그리드 시스템
   ======================================== */
.hrdflex-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.hrdflex-grid {
  display: grid;
  gap: var(--spacing-lg);
  align-items: stretch; /* 모든 그리드 아이템 높이 동일하게 */
}

.content-section {
    padding: 2rem;
}

.grid-cols-1 { grid-template-columns: 1fr; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }

.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

/* ========================================
   5. 과정 카드 컴포넌트
   ======================================== */
.hrdflex-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-card), 0 0 0 1px var(--border-light);
  height: 100%;
  cursor: pointer;
  position: relative;
}

.hrdflex-card:hover {
  transform: scale(1.03) translateY(-8px);
  box-shadow: var(--shadow-hover);
  z-index: 10;
}

.hrdflex-card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #f0f0f0;
}

.hrdflex-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.hrdflex-card:hover .hrdflex-card-img {
  transform: scale(1.1);
}

.hrdflex-card-content {
  padding: var(--spacing-lg);
  background: var(--bg-card);
  border-top: 1px solid var(--border-light);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-dark);
  margin-bottom: 0.25rem;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.card-title a {
  color: var(--text-dark);
  text-decoration: none;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.3;
}

.card-title a:hover {
  color: var(--primary-blue);
}

.card-subtitle {
  font-size: 0.85rem;
  color: var(--text-gray);
  line-height: 1.4;
  margin-bottom: 0.5rem;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}

.card-description {
  font-size: 0.8rem;
  color: var(--text-gray);
  line-height: 1.5;
  margin: 0.5rem 0;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  min-height: 3.6rem;
  flex-grow: 1; /* 남은 공간 채우기 */
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-light);
}

/* ========================================
   6. 배지 (Badge) 스타일
   ======================================== */
.card-badge,
.badge {
  display: inline-block;
  padding: 0.35rem 0.8rem;
  border-radius: 20px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  backdrop-filter: blur(10px);
  transition: var(--transition-base);
}

/* Badge Colors */
.badge-primary,
.card-badge {
  background: var(--hero-purple);
  color: var(--text-white);
}

.badge-success,
.badge-green {
  background: rgba(34, 197, 94, 0.8);
  color: var(--text-white);
}

.badge-info,
.badge-blue {
  background: rgba(59, 130, 246, 0.8);
  color: var(--text-white);
}

.badge-warning,
.badge-yellow {
  background: rgba(245, 158, 11, 0.8);
  color: var(--text-white);
}

.badge-danger,
.badge-red {
  background: rgba(239, 68, 68, 0.8);
  color: var(--text-white);
}

.badge-purple {
  background: rgba(147, 51, 234, 0.8);
  color: var(--text-white);
}

/* ========================================
   7. 버튼 스타일
   ======================================== */
.hrdflex-btn,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-decoration: none;
  outline: none;
  gap: var(--spacing-sm);
}

.hrdflex-btn-primary,
.btn-primary {
  background: linear-gradient(135deg, var(--primary-blue) 0%, #0052cc 100%);
  color: var(--text-white);
  box-shadow: 0 4px 15px var(--shadow-medium);
}

.hrdflex-btn-primary:hover,
.btn-primary:hover {
  transform: translateY(-2px);
}

.hrdflex-btn-secondary,
.btn-secondary {
  background: rgba(109, 109, 110, 0.1);
  color: var(--text-dark);
  border: 1px solid var(--border-light);
}

.hrdflex-btn-secondary:hover,
.btn-secondary:hover {
  background: rgba(109, 109, 110, 0.2);
  transform: translateY(-2px);
}

/* 재생 버튼 */
.play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 4rem;
  height: 4rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.85));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
  cursor: pointer;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.play-icon {
  width: 1.5rem;
  height: 1.5rem;
  fill: var(--primary-blue);
  margin-left: 0.15rem;
}

.hrdflex-card:hover .play-button {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

/* ========================================
   8. 폼 요소 스타일
   ======================================== */
.search-box,
.search_box {
  position: relative;
  display: flex;
  align-items: center;
  max-width: 500px;
  margin: var(--spacing-lg) 0;
}

.search-box input[type="text"],
.search_box input[type="text"],
.search-box input[type="search"],
.search_box input[type="search"] {
  width: 100%;
  padding: 0.75rem 3rem 0.75rem 1rem;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  transition: var(--transition-base);
  background: var(--bg-white);
}

.search-box input[type="text"]:focus,
.search_box input[type="text"]:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.search-box button,
.search_box input[type="image"] {
  position: absolute;
  right: 0.5rem;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--primary-blue);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
}

/* ========================================
   9. 상호작용 요소
   ======================================== */
/* 상호작 버튼 컨테이너 */
.interaction-buttons {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

/* Like Button */
.like-button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.2s;
  position: relative;
  overflow: visible;
  color: #6c757d;
}

.like-button i {
  color: #9ca3af;
  transition: all 0.2s;
  font-size: 1.1rem;
}

.like-button span {
  color: #6c757d;
  transition: all 0.2s;
  font-weight: 500;
  font-size: 0.85rem;
}

.like-button:hover {
  color: #ff6b6b;
  transform: scale(1.1);
}

.like-button:not(.active):hover i {
  color: #ff6b6b;
}

.like-button:not(.active):hover span {
  color: #ff6b6b;
}

.like-button.active {
  color: #ff6b6b;
  animation: bounce 0.4s;
}

.like-button.active i {
  color: #ff6b6b;
}

.like-button.active span {
  color: #ff6b6b;
  font-weight: 600;
}

.like-button.active:hover i {
  color: #9ca3af;
}

.like-button.active:hover {
  color: #6c757d;
}

.like-button.active:hover span {
  color: #6c757d;
}

/* 하트 버튼 */
.favorite-button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.2s;
  position: relative;
  overflow: visible;
  color: #6c757d;
}

.favorite-button i {
  color: #9ca3af;
  transition: all 0.2s;
  font-size: 1.1rem;
}

.favorite-button:hover {
  transform: scale(1.1);
}

.favorite-button:hover i {
  color: #ffc107;
}

.favorite-button.active i {
  color: #ffc107;
}

/* 평점 */
.card-rating {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--rating-yellow);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.star-rating {
  color: var(--rating-yellow);
  font-weight: 600;
}

/* ========================================
   10. 섹션 헤더 스타일
   ======================================== */
.content-section {
  padding: var(--spacing-2xl) 0;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
  padding: 0 var(--spacing-lg);
}

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.3;
}

.section-subtitle {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: var(--spacing-lg);
  line-height: 1.4;
}

.see-all {
  color: var(--primary-blue);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.see-all:hover {
  color: #0052cc;
  transform: translateX(4px);
}

/* ========================================
   11. 과정 리스트 스타일 (세로형 카드 레이아웃)
   ======================================== */
.lecture-list {
  display: flex;
  flex-direction: column;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
  border: 1px solid var(--border-light);
  height: 100%;
  min-height: 450px; /* 최소 높이 설정 */
}

.lecture-list:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.lec-img {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 aspect ratio */
  overflow: hidden;
  background: #f0f0f0;
}

.lec-img a {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.lec-img img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.lecture-list:hover .lec-img img {
  transform: scale(1.1);
}

.lec-info {
  flex: 1;
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  /* gap: var(--spacing-sm); */
  min-height: 250px; /* 최소 높이 설정 */
}

.title-wrap {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.title-wrap .title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.3;
  flex: 1;
}

.title-wrap .title a {
  color: inherit;
  transition: var(--transition-base);
}

.title-wrap .title a:hover {
  color: var(--primary-blue);
}

.badge-wrap {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
}

.info-course {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin: 0.75rem 0;
  font-size: 0.85rem;
  color: var(--text-gray);
}

.info-course dl {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.info-course dt {
  color: var(--text-gray);
  font-weight: 500;
}

.info-course dd {
  color: var(--text-dark);
  font-weight: 400;
}

.btn-wrap {
  display: flex;
  gap: var(--spacing-md);
  margin-top: auto;
}

/* ========================================
   12. 카테고리 네비게이션
   ======================================== */
.category-nav {
  position: sticky;
  top: 60px;
  background: linear-gradient(180deg, var(--bg-white) 0%, rgba(248, 249, 250, 0.98) 100%);
  padding: var(--spacing-md) var(--spacing-lg);
  z-index: var(--z-sticky);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 2px 8px var(--shadow-light);
}

.category-list {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.category-item {
  font-size: var(--font-size-sm);
  color: var(--text-gray);
  cursor: pointer;
  transition: var(--transition-base);
  white-space: nowrap;
  padding: var(--spacing-sm) 0;
  border-bottom: 2px solid transparent;
  font-weight: 500;
}

.category-item:hover {
  color: var(--text-dark);
}

.category-item.active {
  color: var(--text-dark);
  border-bottom-color: var(--primary-red);
  font-weight: 600;
}

/* ========================================
   13. 사이드 메뉴
   ======================================== */
.ncs-side-menu {
  width: 280px;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-card);
  position: sticky;
  top: 100px;
}

.lec-link-wrap {
  margin-top: var(--spacing-xl);
}

.lec-link-wrap .title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--border-light);
}

.lec-link {
  list-style: none;
  padding: 0;
}

.lec-link li {
  margin-bottom: var(--spacing-sm);
}

.lec-link a {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-gray);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  font-size: var(--font-size-sm);
}

.lec-link a:hover {
  background: var(--bg-light);
  color: var(--text-dark);
}

.lec-link a strong {
  color: var(--primary-red) !important;
  font-weight: 600;
}

/* ========================================
   14. 반응형
   ======================================== */
@media (max-width: 1024px) {
  .hrdflex-container {
    padding: 0 var(--spacing-md);
  }

  .grid-cols-5 {
    grid-template-columns: repeat(4, 1fr);
  }

  .grid-cols-4 {
    grid-template-columns: repeat(3, 1fr);
  }

  .section-title {
    font-size: var(--font-size-xl);
  }

  .ncs-side-menu {
    width: 240px;
  }

  .lec-img {
    width: 200px;
    height: 120px;
  }
}

@media (max-width: 768px) {
  .hrdflex-container {
    padding: 0 var(--spacing-sm);
  }

  .grid-cols-5,
  .grid-cols-4,
  .grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-cols-2 {
    grid-template-columns: 1fr;
  }

  .grid-cols-1 {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: var(--font-size-lg);
  }

  .section-header {
    padding: 0 var(--spacing-sm);
  }

  .ncs-side-menu {
    display: none;
  }

  .lecture-list {
    flex-direction: column;
  }

  .lec-img {
    width: 100%;
    height: 200px;
  }

  .card-title {
    font-size: var(--font-size-base);
  }

  .card-subtitle {
    font-size: var(--font-size-xs);
  }

  .btn-wrap {
    width: 100%;
  }

  .btn-wrap .btn {
    flex: 1;
    padding: var(--spacing-sm);
  }

  .m-none {
    display: none;
  }

  .m-show {
    display: block;
  }
}

@media (max-width: 480px) {
  .grid-cols-5,
  .grid-cols-4,
  .grid-cols-3,
  .grid-cols-2,
  .grid-cols-1 {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: var(--font-size-base);
    line-height: 1.2;
  }

  .category-list {
    gap: var(--spacing-md);
  }

  .hrdflex-card-content {
    padding: var(--spacing-md);
  }

  .play-button {
    width: 3rem;
    height: 3rem;
  }

  .play-icon {
    width: 1.2rem;
    height: 1.2rem;
  }
}

/* ========================================
   15. 유틸리티 클래스
   ======================================== */
.hidden { display: none !important; }
.block { display: block !important; }
.inline-block { display: inline-block !important; }
.flex { display: flex !important; flex-direction: row; } 
.inline-flex { display: inline-flex !important; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-100 { opacity: 1; }

.transition-none { transition: none !important; }
.transition-all { transition: var(--transition-base); }
.transition-smooth { transition: var(--transition-smooth); }

/* 애니메이션 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes bounce {
  0%, 100% {
    transform: scale(1);
  }
  25% {
    transform: scale(1.2);
  }
  50% {
    transform: scale(0.95);
  }
  75% {
    transform: scale(1.1);
  }
}

@keyframes floatUp {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(-30px);
  }
}

.animate-fadeIn {
  animation: fadeInUp 0.8s ease forwards;
}

.pulse-animation {
  animation: pulse 2s ease-in-out infinite;
}

/* +1 효과 */
.like-animation {
  position: absolute;
  top: -20px;
  right: 10px;
  color: #ff6b6b;
  font-weight: bold;
  font-size: 1rem;
  pointer-events: none;
  animation: floatUp 0.8s ease-out forwards;
}

.favorite-animation {
  position: absolute;
  top: -20px;
  right: 10px;
  color: #ffc107;
  font-weight: bold;
  font-size: 1rem;
  pointer-events: none;
  animation: floatUp 0.8s ease-out forwards;
}

/* ========================================
   16. 페이지네이션 스타일
   ======================================== */
.pager_box {
  display: flex;
  justify-content: center;
  margin: 3rem auto 2rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border-light);
}

.pager_box ul {
  display: flex;
  gap: 0.25rem;
  align-items: center;
  background: white;
  padding: 0.5rem;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  list-style: none;
  margin: 0;
}

.pager_box li {
  margin: 0;
}

.pager_box li a {
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 8px;
  color: var(--text-dark);
  font-weight: 500;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  background: transparent;
}

.pager_box li a:hover {
  background: rgba(0, 102, 255, 0.08);
  color: var(--primary-blue);
  transform: translateY(-1px);
}

.pager_box li.on a {
  background: var(--primary-blue);
  color: white;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0, 102, 255, 0.25);
  transform: scale(1.05);
  pointer-events: none;
}

.pagination-wrap {
  display: flex;
  justify-content: center;
  margin: 3rem auto 2rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border-light);
}

.pagination {
  display: flex;
  gap: 0.25rem;
  align-items: center;
  background: white;
  padding: 0.5rem;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.pagination a,
.pagination span {
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 8px;
  color: var(--text-dark);
  font-weight: 500;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.pagination a:hover {
  background: rgba(0, 102, 255, 0.08);
  color: var(--primary-blue);
  transform: translateY(-1px);
}

.pagination .current,
.pagination .active {
  background: var(--primary-blue);
  color: white;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0, 102, 255, 0.25);
  transform: scale(1.05);
}

/* 반응형 페이지네이션 */
@media (max-width: 768px) {
  .pager_box {
    padding: 1rem 0;
    margin: 2rem auto 1rem;
  }

  .pager_box ul {
    padding: 0.25rem;
    gap: 0.125rem;
  }

  .pager_box li a,
  .pagination a,
  .pagination span {
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    font-size: 0.8rem;
  }

  .pagination {
    padding: 0.25rem;
    gap: 0.125rem;
  }
}

@media (max-width: 480px) {
  .pager_box ul {
    overflow-x: auto;
    max-width: 100%;
    padding: 0.25rem 0.5rem;
  }

  .pager_box li a,
  .pagination a,
  .pagination span {
    min-width: 28px;
    height: 28px;
    padding: 0 6px;
    font-size: 0.75rem;
  }

  .pager_box li.on a {
    transform: scale(1);
  }
}

/* ========================================
   17. 해시태그 스타일
   ======================================== */
.hashtag-wrap {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 0.5rem 0;
}

.hashtag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(0, 102, 255, 0.08);
  color: var(--primary-blue);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s;
  border: 1px solid rgba(0, 102, 255, 0.2);
}

.hashtags > .hashtag{
  color: white;
}

.hashtag:hover {
  background: var(--primary-blue);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 102, 255, 0.25);
}

/* ========================================
   18. 콘텐츠 레이아웃 조정
   ======================================== */
/* 컨텐츠 최대 너비 설정 및 중앙 정렬 */
.content-wrapper {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1rem;
}

#ncs-section {
  display: flex;
  min-height: 100vh;
  padding-top: 110px !important;
}

.hrdflex-container {
  flex: 1;
  max-width: 100%;
  padding: 0;
}

.course-time {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.course-time i {
  font-size: 0.9rem;
}

@media print {
  .no-print,
  .ncs-side-menu,
  .category-nav,
  .play-button,
  .btn-wrap {
    display: none !important;
  }

  .hrdflex-card {
    page-break-inside: avoid;
  }
}