/* ===== FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Nanum+Myeongjo:wght@400;700;800&display=swap');
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css');
@font-face { font-family:'Pretendard'; src:local('Pretendard-Regular'),local('Pretendard Regular'),local('Pretendard'); font-weight:400; font-display:swap; }
@font-face { font-family:'Pretendard'; src:local('Pretendard-Medium'),local('Pretendard Medium'); font-weight:500; font-display:swap; }
@font-face { font-family:'Pretendard'; src:local('Pretendard-SemiBold'),local('Pretendard SemiBold'); font-weight:600; font-display:swap; }
@font-face { font-family:'Pretendard'; src:local('Pretendard-Bold'),local('Pretendard Bold'); font-weight:700; font-display:swap; }

/* ===== CSS VARIABLES — LIGHT THEME ===== */
:root {
  /* ── 배경 ── */
  --bg-body:      #f8f7f5;
  --bg-elevated:  #f0ede8;
  --bg-card:      #f8f7f5;
  --bg-panel:     #f8f7f5;
  --bg-hover:     #f0eeeb;
  --bg-active:    #e8e4de;

  /* ── 웜 브라운 (기존 navy 이름 유지) ── */
  --navy-950: #1a1612;
  --navy-900: #2a2418;
  --navy-800: #3d3528;
  --navy-700: #564a38;
  --navy-600: #6b5c4a;
  --navy-500: #8b7355;
  --navy-400: #a68b6a;
  --navy-300: #c0a882;
  --navy-200: #d4c4ae;
  --navy-100: #eadfd0;

  /* ── 골드 → 뮤트 웜 브라운 ── */
  --gold-900: #2a2010;
  --gold-800: #4a3818;
  --gold-700: #6b5c4a;
  --gold-600: #8b7355;
  --gold-500: #a68b6a;
  --gold-400: #c0a882;
  --gold-300: #d4c4ae;
  --gold-200: #e8ddd0;
  --gold-100: #f5f0e8;

  /* ── 텍스트 ── */
  --text-bright:    #1a1916;
  --text-primary:   #3d3b38;
  --text-secondary: #6e6b66;
  --text-muted:     #9c9892;

  /* ── 보더 ── */
  --border-subtle:       rgba(0,0,0,0.07);
  --border-normal:       rgba(0,0,0,0.10);
  --border-strong:       rgba(0,0,0,0.16);
  --border-gold:         rgba(107,92,74,0.20);
  --border-gold-bright:  rgba(107,92,74,0.38);

  /* ── 사이드바 강조 ── */
  --sidebar-active-bg:     rgba(107,92,74,0.09);
  --sidebar-active-border: rgba(107,92,74,0.28);

  /* ── 푸터 ── */
  --footer-bg:        #1a1916;
  --footer-top-line:  rgba(255,255,255,0.08);
  --footer-text:      rgba(255,255,255,0.38);
  --footer-link:      rgba(255,255,255,0.60);

  /* ── 타이포그래피 ── */
  --font-serif: 'Nanum Myeongjo', 'Batang', 'UnBatang', serif;
  --font-sans:  'Pretendard', 'Malgun Gothic', sans-serif;

  /* ── 레이아웃 ── */
  --header-h: 100px;
  --radius-sm: 2px;
  --radius-md: 3px;
  --radius-lg: 6px;
  --transition: 0.16s ease;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  min-height: 100vh;
  background: var(--bg-body);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }

/* ===== SITE HEADER ===== */
.site-header {
  position: sticky; top: 0; z-index: 200;
  height: var(--header-h);
  background: #ffffff;
  border-bottom: 1px solid var(--border-normal);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 56px;
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--gold-600) 30%, var(--gold-500) 50%, var(--gold-600) 70%, transparent 100%);
  opacity: 0.5;
}

/* 로고 */
.logo-wrap {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  text-decoration: none;
}
.logo-main {
  font-size: 22px; font-weight: 700;
  color: var(--text-bright); letter-spacing: 0.06em; white-space: nowrap;
}
.logo-hj {
  font-size: 13px; color: var(--gold-600); letter-spacing: 0.52em; margin-right: -0.3em;
}

/* 내비게이션 */
.site-nav { display: flex; align-items: center; gap: 36px; }
.nav-item {
  display: flex; align-items: center;
  font-size: 15px; font-weight: 500;
  color: var(--text-secondary); letter-spacing: 0.03em;
  transition: color var(--transition);
  position: relative; padding: 4px 0;
  white-space: nowrap;
}
.nav-item::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 1.5px; background: var(--gold-600);
  transform: scaleX(0); transition: transform 0.2s;
}
.nav-item:hover { color: var(--text-bright); }
.nav-item:hover::after { transform: scaleX(1); }
.nav-item.active { color: var(--gold-700); }
.nav-item.active::after { transform: scaleX(1); }
.nav-item.disabled { opacity: 0.38; pointer-events: none; }

/* ===== GOLD RULE ===== */
.gold-rule {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-600), var(--gold-500), var(--gold-600), transparent);
  opacity: 0.35;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 16px; font-size: 13px; font-weight: 500;
  border-radius: var(--radius-sm); border: 1px solid transparent;
  transition: var(--transition); white-space: nowrap; line-height: 1.4;
}
.btn-primary {
  background: var(--navy-700); border-color: var(--navy-600); color: #fff;
}
.btn-primary:hover { background: var(--navy-600); border-color: var(--navy-500); }
.btn-gold {
  background: transparent; border-color: var(--border-gold-bright);
  color: var(--gold-700);
}
.btn-gold:hover {
  background: rgba(107,92,74,0.07);
  border-color: var(--gold-600); color: var(--gold-600);
}
.btn-ghost {
  background: transparent; border-color: var(--border-normal);
  color: var(--text-secondary);
}
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }
.btn-sm  { padding: 5px 12px; font-size: 12px; }
.btn-lg  { padding: 10px 22px; font-size: 15px; }
.btn:disabled { opacity: 0.4; pointer-events: none; }

/* ===== BADGE ===== */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 3px;
  font-size: 11px; font-weight: 500; line-height: 1.6;
}
.badge-gold {
  background: rgba(107,92,74,0.08); color: var(--gold-700);
  border: 1px solid var(--border-gold);
}
.badge-purple {
  background: rgba(107,92,74,0.06); color: var(--navy-700);
  border: 1px solid var(--sidebar-active-border);
}
.badge-muted {
  background: var(--bg-hover); color: var(--text-secondary);
  border: 1px solid var(--border-normal);
}
.badge-blank {
  background: var(--bg-hover); color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}

/* ===== MAIN FOOTER ===== */
.site-footer {
  background: var(--footer-bg);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-inner {
  display: flex; align-items: center; gap: 48px;
  padding: 40px 56px;
}
.footer-logo-block {
  display: flex; flex-direction: column;
  align-items: flex-start; gap: 6px;
  flex-shrink: 0;
  border-right: 1px solid rgba(255,255,255,0.08);
  padding-right: 48px;
}
.footer-logo-name {
  font-size: 15px; font-weight: 700;
  color: rgba(255,255,255,0.85); letter-spacing: 0.08em;
}
.footer-logo-hj {
  font-size: 10.5px;
  color: var(--gold-400); letter-spacing: 0.2em;
}
.footer-info { display: flex; flex-direction: column; gap: 10px; }
.footer-links { display: flex; gap: 0; margin-left: auto; }
.footer-links a {
  font-size: 12px; color: var(--footer-link);
  padding: 0 14px;
  border-right: 1px solid rgba(255,255,255,0.10);
  transition: var(--transition);
}
.footer-links a:first-child { padding-left: 0; }
.footer-links a:last-child { border-right: none; }
.footer-links a:hover { color: var(--gold-300); }
.footer-address { font-size: 12px; color: var(--footer-text); line-height: 1.9; }
.footer-address span { margin-right: 16px; }
.footer-copyright { font-size: 11px; color: rgba(255,255,255,0.22); margin-top: 4px; }
.footer-copy {
  text-align: center;
  font-size: 11px; color: rgba(255,255,255,0.20);
  padding: 16px 56px 28px;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gray-300, #d0ccc6); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400, #b0aba4); }

/* ===== SELECTION ===== */
::selection { background: rgba(107,92,74,0.18); color: var(--text-bright); }

/* ===== UTILITY ===== */
.text-hanja  { font-family: var(--font-serif); font-size: 17px; line-height: 2; color: var(--text-bright); }
.text-korean { font-family: var(--font-sans);  font-size: 15px; line-height: 2; color: var(--text-primary); }
.text-gold   { color: var(--gold-600); }
.text-muted  { color: var(--text-muted); }
.font-serif  { font-family: var(--font-serif); }

/* ===== THEME TOGGLE BUTTON ===== */
.theme-toggle-btn {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  border: 1px solid var(--border-normal);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  font-size: 16px; line-height: 1;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 8px;
}
.theme-toggle-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--gold-600);
}

/* ===== DARK MODE — 검정/회색 베이스, 보라+금 포인트 ===== */
[data-theme="dark"] {
  /* 배경: 순수 다크 */
  --bg-body:     #181614;
  --bg-elevated: #242220;
  --bg-card:     #1e1c1a;
  --bg-panel:    #1e1c1a;
  --bg-hover:    #2c2a28;
  --bg-active:   #333028;

  /* 네이비-보라: 포인트 용도 */
  --navy-950: #0D0F1A;
  --navy-900: #141628;
  --navy-800: #1C2040;
  --navy-700: #272B58;
  --navy-600: #343970;
  --navy-500: #424990;
  --navy-400: #5D64B0;
  --navy-300: #8B91CC;
  --navy-200: #B8BCE0;
  --navy-100: #DADDF2;

  /* 골드 */
  --gold-900: #3A2800;
  --gold-800: #5E4200;
  --gold-700: #856018;
  --gold-600: #A87C24;
  --gold-500: #C9A84C;
  --gold-400: #DFC070;
  --gold-300: #EDD490;
  --gold-200: #F5E8C0;
  --gold-100: #FAF3DF;

  /* 텍스트 */
  --text-bright:    #F0EBE4;
  --text-primary:   #D4CEC8;
  --text-secondary: #9C9690;
  --text-muted:     #6E6A64;

  /* 보더 */
  --border-subtle:       rgba(255,255,255,0.06);
  --border-normal:       rgba(255,255,255,0.10);
  --border-strong:       rgba(255,255,255,0.18);
  --border-gold:         rgba(168,124,36,0.35);
  --border-gold-bright:  rgba(201,168,76,0.50);

  /* 사이드바 활성: 보라 포인트 */
  --sidebar-active-bg:     rgba(52,57,112,0.28);
  --sidebar-active-border: rgba(93,100,176,0.50);

  /* 푸터 */
  --footer-bg:       #0f0e0c;
  --footer-top-line: rgba(255,255,255,0.08);
  --footer-text:     rgba(255,255,255,0.35);
  --footer-link:     rgba(255,255,255,0.55);
}

[data-theme="dark"] body { background: var(--bg-body); }

/* 헤더: 검정 베이스에 보라 틴트만 */
[data-theme="dark"] .site-header {
  background: #1e1d2a;
  border-bottom-color: rgba(255,255,255,0.08);
  box-shadow: 0 2px 16px rgba(0,0,0,0.5);
}
[data-theme="dark"] .site-header::after {
  background: linear-gradient(90deg, transparent 0%, #856018 20%, #A87C24 50%, #856018 80%, transparent 100%);
  opacity: 0.8;
}

[data-theme="dark"] .nav-item { color: #C0BEB8; }
[data-theme="dark"] .nav-item:hover { color: #F0EBE4; }
[data-theme="dark"] .nav-item.active { color: #DFC070; }
[data-theme="dark"] .nav-item::after { background: #A87C24; }

[data-theme="dark"] .btn-primary {
  background: #343970;
  border-color: #5D64B0;
  color: #DADDF2;
}
[data-theme="dark"] .btn-primary:hover {
  background: #424990;
  border-color: #8B91CC;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .site-header { padding: 0 16px; gap: 8px; }
  .logo-main {
    font-size: 13px; max-width: 140px;
    overflow: hidden; text-overflow: ellipsis;
  }
  .logo-hj { display: none; }
  .site-nav { gap: 12px; }
  .nav-item.disabled { display: none; }
  .nav-item { font-size: 12px; }
  .theme-toggle-btn { width: 28px; height: 28px; }
  .footer-inner { flex-direction: column; gap: 24px; padding: 28px 20px; }
  .footer-logo-block { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); padding-right: 0; padding-bottom: 20px; }
  .footer-address span { display: block; margin-right: 0; }
}

@media (max-width: 400px) {
  .site-header { padding: 0 10px; gap: 6px; }
  .logo-main { font-size: 12px; max-width: 108px; }
  .site-nav { gap: 8px; }
  .nav-item { font-size: 11px; }
  .theme-toggle-btn { width: 26px; height: 26px; }
}