/* =========================================
   1. CSS Variables & Reset
   ========================================= */
   :root {
    --bg-page: #f5f3ee;          /* 석회암 느낌의 따뜻한 아이보리 배경 */
    --bg-surface: #ffffff;       /* 카드 배경 */
    --bg-header: #181a1f;        /* 박물관 갤러리 다크 톤 */
    --bg-subtle: #ece8df;        /* 보조 배너 배경 */
  
    --text-primary: #1c1e24;
    --text-secondary: #525661;
    --text-muted: #7d828f;
    --text-on-dark: #f7f5f0;
  
    --accent-gold: #b08d44;      /* 앤티크 골드 포인트 */
    --accent-gold-light: #f3ecdc;
    --accent-gold-hover: #967532;
  
    /* 구역(Wing)별 식별 컬러 */
    --wing-west: #2b5b84;        /* 서쪽: 이집트·그리스 */
    --wing-north: #2e6f56;       /* 북쪽: 아시아·한국관 */
    --wing-east: #8c4a32;        /* 동쪽: 계몽주의 */
    --wing-upper: #5c4978;       /* 상층 회랑 */
  
    --border-color: #ded9ce;
    --shadow-sm: 0 2px 8px rgba(24, 26, 31, 0.05);
    --shadow-md: 0 8px 24px rgba(24, 26, 31, 0.1);
    --shadow-lg: 0 18px 40px rgba(24, 26, 31, 0.22);
  
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: 0.2s ease;
  }
  
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  
  .container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
  }
  
  .hidden {
    display: none !important;
  }
  
  /* =========================================
     2. Header
     ========================================= */
  .site-header {
    background-color: var(--bg-header);
    color: var(--text-on-dark);
    padding: 36px 0 32px;
    border-bottom: 3px solid var(--accent-gold);
  }
  
  .header-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 20px;
    flex-wrap: wrap;
  }
  
  .brand-sub {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 0.16em;
    color: var(--accent-gold);
    font-weight: 700;
    margin-bottom: 6px;
  }
  
  .brand-title {
    font-family: 'Cinzel', Georgia, serif;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1.15;
  }
  
  .brand-desc {
    margin-top: 8px;
    font-size: 0.95rem;
    color: #b8bcc4;
    font-weight: 300;
  }
  
  /* 내 관람 목록(북마크) 버튼 */
  .bookmark-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-on-dark);
    border: 1px solid rgba(176, 141, 68, 0.55);
    padding: 10px 16px;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
  }
  
  .bookmark-toggle-btn:hover {
    background-color: rgba(176, 141, 68, 0.2);
  }
  
  .bookmark-toggle-btn.active {
    background-color: var(--accent-gold);
    color: #ffffff;
    border-color: var(--accent-gold);
  }
  
  .bookmark-toggle-btn .star-icon {
    color: var(--accent-gold);
    font-size: 1rem;
  }
  
  .bookmark-toggle-btn.active .star-icon {
    color: #ffffff;
  }
  
  .bookmark-toggle-btn .badge {
    background-color: rgba(0, 0, 0, 0.35);
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
  }
  
  /* =========================================
     3. Controls (Search & Level Tabs)
     ========================================= */
  .controls-section {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 20;
    box-shadow: var(--shadow-sm);
  }
  
  .search-box {
    position: relative;
    margin-bottom: 14px;
  }
  
  .search-box input {
    width: 100%;
    padding: 13px 44px 13px 16px;
    font-size: 0.95rem;
    font-family: inherit;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: #faf9f6;
    color: var(--text-primary);
    transition: var(--transition);
  }
  
  .search-box input:focus {
    outline: none;
    border-color: var(--accent-gold);
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(176, 141, 68, 0.15);
  }
  
  .clear-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 50%;
  }
  
  .clear-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-subtle);
  }
  
  /* 층별 탭 가로 스크롤 지원 */
  .level-tabs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
  }
  
  .tab-btn {
    flex: 0 0 auto;
    padding: 8px 14px;
    border: 1px solid var(--border-color);
    background-color: #ffffff;
    color: var(--text-secondary);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
  }
  
  .tab-btn:hover {
    border-color: var(--accent-gold);
    color: var(--text-primary);
  }
  
  .tab-btn.active {
    background-color: var(--bg-header);
    color: #ffffff;
    border-color: var(--bg-header);
  }
  
  /* =========================================
     4. Overview Banner (Great Court)
     ========================================= */
  .overview-banner {
    padding-top: 24px;
  }
  
  .overview-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--accent-gold);
    border-radius: var(--radius-md);
    padding: 16px 20px;
  }
  
  .overview-badge {
    flex-shrink: 0;
    background-color: var(--accent-gold);
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    margin-top: 2px;
  }
  
  .overview-text h2 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
  }
  
  .overview-text p {
    font-size: 0.88rem;
    color: var(--text-secondary);
  }
  
  /* =========================================
     5. Main Content & Gallery Grid
     ========================================= */
  .main-content {
    padding: 24px 0 60px;
  }
  
  .status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 18px;
    font-size: 0.88rem;
    color: var(--text-secondary);
  }
  
  .wing-legend {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
  }
  
  .legend-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
  }
  
  .dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    display: inline-block;
  }
  .dot.west { background-color: var(--wing-west); }
  .dot.north { background-color: var(--wing-north); }
  .dot.east { background-color: var(--wing-east); }
  .dot.upper { background-color: var(--wing-upper); }
  
  /* 카드 그리드 */
  .gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: 20px;
  }
  
  /* 개별 전시실 카드 */
  .room-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    position: relative;
    overflow: hidden;
  }
  
  .room-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background-color: var(--accent-gold);
  }
  
  .room-card[data-wing="west"]::before { background-color: var(--wing-west); }
  .room-card[data-wing="north"]::before { background-color: var(--wing-north); }
  .room-card[data-wing="east"]::before { background-color: var(--wing-east); }
  .room-card[data-wing="upper"]::before { background-color: var(--wing-upper); }
  
  .room-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: #c8c1b2;
  }
  
  .card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 10px;
  }
  
  .room-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }
  
  .level-tag {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 9px;
    border-radius: var(--radius-sm);
    background-color: var(--bg-header);
    color: #ffffff;
  }
  
  .room-tag {
    font-size: 0.78rem;
    font-weight: 700;
    padding: 3px 9px;
    border-radius: var(--radius-sm);
    background-color: var(--accent-gold-light);
    color: var(--accent-gold-hover);
  }
  
  /* 카드 내 찜하기 별표 버튼 */
  .fav-btn {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #b5b0a4;
    font-size: 1rem;
    transition: var(--transition);
    flex-shrink: 0;
  }
  
  .fav-btn:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
  }
  
  .fav-btn.saved {
    background-color: var(--accent-gold-light);
    border-color: var(--accent-gold);
    color: var(--accent-gold);
  }
  
  .country-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 4px;
  }
  
  .artifact-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.35;
  }
  
  .artifact-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
  }
  
  .card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid #f0ede6;
  }
  
  .wing-label {
    font-size: 0.78rem;
    color: var(--text-muted);
  }
  
  .detail-btn {
    background: none;
    border: none;
    color: var(--accent-gold-hover);
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    padding: 4px 2px;
  }
  
  .detail-btn:hover {
    text-decoration: underline;
  }
  
  /* =========================================
     6. Empty State
     ========================================= */
  .empty-state {
    text-align: center;
    padding: 60px 20px;
    background-color: var(--bg-surface);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
  }
  
  .empty-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
  }
  
  .empty-sub {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 18px;
  }
  
  .reset-btn {
    background-color: var(--bg-header);
    color: #ffffff;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    cursor: pointer;
  }
  
  /* =========================================
     7. Modal
     ========================================= */
  .modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
  }
  
  .modal-backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(15, 17, 22, 0.65);
    backdrop-filter: blur(2px);
  }
  
  .modal-dialog {
    position: relative;
    background-color: var(--bg-surface);
    width: 100%;
    max-width: 600px;
    max-height: 85vh;
    overflow-y: auto;
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-lg);
    z-index: 101;
  }
  
  .modal-close {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background-color: #ffffff;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-secondary);
  }
  
  .modal-close:hover {
    background-color: var(--bg-subtle);
    color: var(--text-primary);
  }
  
  .modal-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 12px;
  }
  
  .modal-country {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-gold-hover);
    margin-bottom: 4px;
  }
  
  .modal-title {
    font-size: 1.45rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 16px;
  }
  
  .modal-desc {
    font-size: 0.98rem;
    color: var(--text-primary);
    line-height: 1.75;
    margin-bottom: 20px;
  }
  
  .modal-tip-box {
    background-color: var(--bg-subtle);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    font-size: 0.86rem;
    color: var(--text-secondary);
  }
  
  /* =========================================
     8. Footer & Responsive
     ========================================= */
  .site-footer {
    border-top: 1px solid var(--border-color);
    padding: 24px 0;
    text-align: center;
    font-size: 0.82rem;
    color: var(--text-muted);
  }
  
  @media (max-width: 640px) {
    .overview-card {
      flex-direction: column;
      gap: 10px;
    }
  
    .gallery-grid {
      grid-template-columns: 1fr;
    }
  
    .modal-dialog {
      padding: 22px 18px;
    }
  }

/* =========================================
   9. Modal Artifact Image
   ========================================= */
.modal-image-wrap {
  width: 100%;
  height: 280px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: #181a1f;
  margin-bottom: 18px;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.modal-image-wrap:hover .modal-image {
  transform: scale(1.03);
}

.modal-image-fallback {
  color: #b8bcc4;
  font-size: 0.85rem;
  text-align: center;
  padding: 20px;
}