/* =====================================================
   AI 거버넌스 플랫폼 - 메인 스타일시트 (라이트 테마)
   공공기관 규제 대응형 실무 운영 플랫폼
   ===================================================== */

:root {
  --primary: #1a3a6b;
  --primary-light: #2563aa;
  --primary-dark: #0f2447;
  --secondary: #2e86c1;
  --accent: #0ea882;
  --accent-orange: #e67e22;
  --accent-red: #e74c3c;
  --accent-yellow: #d4a017;
  --accent-purple: #8e44ad;

  /* ── 라이트 테마 배경/카드 ── */
  --bg-dark: #ffffff;
  --bg-card: #ffffff;
  --bg-card2: #f8fafc;
  --bg-glass: rgba(37, 99, 170, 0.05);
  --border: rgba(37, 99, 170, 0.15);
  --border-light: rgba(37, 99, 170, 0.09);

  /* ── 라이트 테마 텍스트 ── */
  --text-primary: #1a2744;
  --text-secondary: #3d5a8a;
  --text-muted: #6b7eaa;

  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;
  --info: #2563eb;

  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 18px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --sidebar-width: 260px;
  --header-height: 64px;
  --font-main: 'Noto Sans KR', 'Pretendard', 'Apple SD Gothic Neo', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 14px; scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── 스크롤바 ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #e8edf5; }
::-webkit-scrollbar-thumb { background: #9ab0cf; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-light); }

/* =====================================================
   레이아웃
   ===================================================== */
.app-wrapper { display: flex; height: 100vh; overflow: hidden; }

/* ── 사이드바 ── */
.sidebar {
  width: var(--sidebar-width);
  background: linear-gradient(180deg, #1a3a6b 0%, #1e4d8c 45%, #1a4580 100%);
  border-right: none;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
  z-index: 100;
  transition: var(--transition);
  box-shadow: 4px 0 20px rgba(15, 36, 71, 0.18);
}
.sidebar.collapsed { width: 64px; }

/* 사이드바 스크롤바 */
.sidebar::-webkit-scrollbar-track { background: rgba(255,255,255,0.04); }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.18); border-radius: 3px; }
.sidebar::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.30); }

.sidebar-logo {
  padding: 20px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  background: rgba(0,0,0,0.12);
}
.sidebar-logo .logo-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, #3b82f6, #0ea882);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
  box-shadow: 0 3px 10px rgba(59,130,246,0.4);
}
.sidebar-logo .logo-text { font-size: 13px; font-weight: 700; line-height: 1.3; color: #ffffff; }
.sidebar-logo .logo-text span { color: #7dd3fc; display: block; font-size: 10px; font-weight: 400; opacity: 0.9; }
.sidebar.collapsed .logo-text { display: none; }

.sidebar-section { padding: 10px 0; }
.sidebar-section-title {
  font-size: 10px; font-weight: 700;
  color: rgba(167, 210, 255, 0.65);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 18px 4px;
}
.sidebar.collapsed .sidebar-section-title { display: none; }

.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 18px;
  cursor: pointer;
  border-radius: 0;
  transition: var(--transition);
  position: relative;
  color: rgba(186, 220, 255, 0.82);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  margin: 1px 0;
}
.nav-item:hover {
  background: rgba(255,255,255,0.10);
  color: #ffffff;
}
.nav-item.active {
  background: linear-gradient(90deg, rgba(59,130,246,0.35) 0%, rgba(59,130,246,0.12) 100%);
  color: #ffffff;
  border-left: 3px solid #7dd3fc;
  font-weight: 600;
}
.nav-item.active .nav-icon { filter: drop-shadow(0 0 6px rgba(125,211,252,0.7)); }
.nav-item .nav-icon { font-size: 16px; flex-shrink: 0; width: 20px; text-align: center; }
.nav-item .nav-label { white-space: nowrap; }
.sidebar.collapsed .nav-label { display: none; }
.nav-item .nav-badge {
  margin-left: auto;
  background: #ef4444;
  color: #fff; font-size: 10px; font-weight: 700;
  padding: 2px 6px; border-radius: 10px;
  box-shadow: 0 2px 6px rgba(239,68,68,0.4);
}
.sidebar.collapsed .nav-badge { display: none; }

.sidebar-divider { height: 1px; background: rgba(255,255,255,0.10); margin: 4px 0; }

.sidebar-footer {
  margin-top: auto;
  padding: 14px 18px;
  border-top: 1px solid rgba(255,255,255,0.10);
  font-size: 12px;
  color: rgba(167,210,255,0.6);
  background: rgba(0,0,0,0.12);
}
.sidebar.collapsed .sidebar-footer-text { display: none; }

/* ── 메인 콘텐츠 ── */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ── 헤더 ── */
.topbar {
  height: var(--header-height);
  background: linear-gradient(90deg, #1e4d8c 0%, #1a5ca8 100%);
  border-bottom: none;
  display: flex; align-items: center;
  padding: 0 24px;
  gap: 16px;
  flex-shrink: 0;
  z-index: 90;
  box-shadow: 0 3px 16px rgba(15, 36, 71, 0.18);
}
.topbar-toggle {
  background: rgba(255,255,255,0.10); border: 1px solid rgba(255,255,255,0.16);
  color: rgba(255,255,255,0.85);
  font-size: 18px; cursor: pointer; padding: 6px 8px; border-radius: 8px;
  transition: var(--transition);
}
.topbar-toggle:hover { background: rgba(255,255,255,0.18); color: #ffffff; }
.topbar-breadcrumb { font-size: 13px; color: rgba(186,220,255,0.8); }
.topbar-breadcrumb span { color: #ffffff; font-weight: 600; }
.topbar-spacer { flex: 1; }
.topbar-search {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  padding: 7px 14px;
  color: #ffffff;
  font-size: 13px; width: 220px;
  outline: none; transition: var(--transition);
}
.topbar-search::placeholder { color: rgba(186,220,255,0.6); }
.topbar-search:focus { border-color: rgba(125,211,252,0.7); background: rgba(255,255,255,0.18); box-shadow: 0 0 0 3px rgba(125,211,252,0.15); }
.topbar-actions { display: flex; gap: 8px; align-items: center; }
.topbar-btn {
  background: rgba(255,255,255,0.10); border: 1px solid rgba(255,255,255,0.18);
  border-radius: 8px; padding: 7px 10px;
  color: rgba(255,255,255,0.82); cursor: pointer;
  font-size: 15px; transition: var(--transition);
  position: relative;
}
.topbar-btn:hover { background: rgba(255,255,255,0.20); color: #ffffff; }
.topbar-btn .badge {
  position: absolute; top: 3px; right: 3px;
  width: 8px; height: 8px;
  background: var(--accent-red); border-radius: 50%;
}
.topbar-user {
  display: flex; align-items: center; gap: 8px;
  cursor: pointer; padding: 4px 8px; border-radius: 8px;
  transition: var(--transition);
}
.topbar-user:hover { background: rgba(255,255,255,0.10); }
.topbar-user .avatar {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; color: #fff;
}
.topbar-user .user-info { font-size: 12px; }
.topbar-user .user-name { font-weight: 600; color: #ffffff; }
.topbar-user .user-role { color: rgba(186,220,255,0.75); font-size: 11px; }

/* ── 페이지 콘텐츠 ── */
.page-content {
  flex: 1;
  overflow-y: auto;
  padding: 28px 28px 40px;
  background: var(--bg-dark);
}

/* =====================================================
   공통 컴포넌트
   ===================================================== */

/* ── 페이지 헤더 ── */
.page-header {
  display: flex; align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
}
.page-header-left {}
.page-title {
  font-size: 22px; font-weight: 800;
  background: linear-gradient(135deg, var(--primary-dark) 30%, var(--primary-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}
.page-subtitle { font-size: 13px; color: var(--text-muted); }
.page-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ── 버튼 ── */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 18px; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 600;
  cursor: pointer; border: none; outline: none;
  transition: var(--transition); white-space: nowrap;
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  color: #fff; box-shadow: 0 4px 15px rgba(14,168,130,0.22);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(14,168,130,0.32); }
.btn-secondary {
  background: #fff; border: 1px solid var(--border);
  color: var(--text-primary);
}
.btn-secondary:hover { background: var(--bg-glass); border-color: var(--primary-light); }
.btn-danger { background: var(--accent-red); color: #fff; }
.btn-warning { background: var(--accent-yellow); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-outline {
  background: transparent; border: 1px solid var(--border);
  color: var(--text-secondary);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 15px; }
.btn-icon { padding: 8px; }

/* ── 카드 ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: var(--transition);
  box-shadow: 0 1px 6px rgba(37,99,170,0.07);
}
.card:hover { border-color: rgba(37,99,170,0.3); box-shadow: var(--shadow); }
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px; padding-bottom: 14px;
  border-bottom: 1px solid var(--border-light);
}
.card-title { font-size: 15px; font-weight: 700; color: var(--text-primary); display: flex; align-items: center; gap: 8px; }
.card-badge {
  font-size: 11px; font-weight: 600;
  padding: 3px 9px; border-radius: 20px;
}
.card-badge-info { background: rgba(37,99,235,0.1); color: var(--info); }
.card-badge-success { background: rgba(22,163,74,0.1); color: var(--success); }
.card-badge-warning { background: rgba(217,119,6,0.1); color: var(--warning); }
.card-badge-danger { background: rgba(220,38,38,0.1); color: var(--danger); }

/* ── KPI 카드 ── */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative; overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  box-shadow: 0 1px 6px rgba(37,99,170,0.07);
}
.kpi-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(37,99,170,0.03) 0%, transparent 60%);
  pointer-events: none;
}
.kpi-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(37,99,170,0.3); }
.kpi-icon {
  width: 44px; height: 44px;
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-size: 20px; margin-bottom: 14px;
}
.kpi-icon-blue { background: rgba(37,99,170,0.12); }
.kpi-icon-green { background: rgba(22,163,74,0.12); }
.kpi-icon-orange { background: rgba(230,126,34,0.12); }
.kpi-icon-red { background: rgba(220,38,38,0.12); }
.kpi-icon-purple { background: rgba(142,68,173,0.12); }
.kpi-icon-cyan { background: rgba(14,168,130,0.12); }
.kpi-value { font-size: 28px; font-weight: 800; color: var(--text-primary); line-height: 1; margin-bottom: 4px; }
.kpi-label { font-size: 12px; color: var(--text-muted); font-weight: 500; }
.kpi-trend {
  position: absolute; top: 18px; right: 18px;
  font-size: 12px; font-weight: 600;
  display: flex; align-items: center; gap: 3px;
}
.kpi-trend.up { color: var(--success); }
.kpi-trend.down { color: var(--danger); }
.kpi-bar {
  margin-top: 14px; height: 4px;
  background: var(--border); border-radius: 2px;
}
.kpi-bar-fill { height: 100%; border-radius: 2px; transition: width 1s ease; }

/* ── 그리드 레이아웃 ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }

/* ── 테이블 ── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead tr { border-bottom: 2px solid var(--border); }
thead th {
  text-align: left; padding: 12px 14px;
  color: var(--text-muted); font-weight: 700;
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em;
  white-space: nowrap;
  background: var(--bg-dark);
}
tbody tr {
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}
tbody tr:hover { background: rgba(37,99,170,0.04); }
tbody td { padding: 12px 14px; color: var(--text-secondary); vertical-align: middle; }
tbody td:first-child { color: var(--text-primary); font-weight: 500; }

/* ── 배지 ── */
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 9px; border-radius: 20px;
  font-size: 11px; font-weight: 700; white-space: nowrap;
}
.badge-success { background: rgba(22,163,74,0.12); color: #15803d; border: 1px solid rgba(22,163,74,0.25); }
.badge-warning { background: rgba(217,119,6,0.12); color: #b45309; border: 1px solid rgba(217,119,6,0.25); }
.badge-danger { background: rgba(220,38,38,0.12); color: #b91c1c; border: 1px solid rgba(220,38,38,0.25); }
.badge-info { background: rgba(37,99,235,0.10); color: #1d4ed8; border: 1px solid rgba(37,99,235,0.22); }
.badge-gray { background: rgba(107,126,170,0.10); color: #4b6489; border: 1px solid rgba(107,126,170,0.22); }
.badge-purple { background: rgba(142,68,173,0.10); color: #7e22ce; border: 1px solid rgba(142,68,173,0.22); }
.badge-cyan { background: rgba(14,168,130,0.10); color: #0d7a63; border: 1px solid rgba(14,168,130,0.22); }

/* ── 진행 바 ── */
.progress { height: 8px; background: #e2e8f5; border-radius: 4px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 4px; transition: width 0.8s ease; }
.progress-blue { background: linear-gradient(90deg, var(--primary-light), var(--secondary)); }
.progress-green { background: linear-gradient(90deg, #16a34a, #22c55e); }
.progress-orange { background: linear-gradient(90deg, #e67e22, #f39c12); }
.progress-red { background: linear-gradient(90deg, #b91c1c, #dc2626); }
.progress-cyan { background: linear-gradient(90deg, #0d7a63, #0ea882); }

/* ── 탭 ── */
.tab-nav {
  display: flex; gap: 4px;
  background: #eef2f9; border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 4px;
  margin-bottom: 24px;
}
.tab-btn {
  padding: 8px 16px; border-radius: 6px;
  font-size: 13px; font-weight: 600;
  cursor: pointer; border: none; background: transparent;
  color: var(--text-muted); transition: var(--transition);
}
.tab-btn.active { background: var(--primary-light); color: #fff; box-shadow: 0 2px 8px rgba(37,99,170,0.2); }
.tab-btn:hover:not(.active) { background: rgba(37,99,170,0.08); color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── 폼 요소 ── */
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 12px; font-weight: 600; color: var(--text-secondary); margin-bottom: 7px; }
.form-control {
  width: 100%; padding: 10px 14px;
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-primary);
  font-size: 13px; outline: none; transition: var(--transition);
  font-family: var(--font-main);
}
.form-control:focus { border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(37,99,170,0.1); }
.form-control::placeholder { color: var(--text-muted); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 90px; }

/* ── 모달 ── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(15,36,71,0.4); backdrop-filter: blur(4px);
  z-index: 1000; display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.25s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
  width: 90%; max-width: 560px; max-height: 85vh; overflow-y: auto;
  transform: translateY(20px); transition: transform 0.25s;
  box-shadow: var(--shadow-lg);
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px; padding-bottom: 14px; border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 17px; font-weight: 700; color: var(--text-primary); }
.modal-close {
  background: none; border: none; color: var(--text-muted);
  font-size: 20px; cursor: pointer; border-radius: 6px; padding: 2px 8px;
  transition: var(--transition);
}
.modal-close:hover { background: #fee2e2; color: var(--danger); }
.modal-footer { margin-top: 20px; padding-top: 14px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }

/* ── 리스크 레벨 게이지 ── */
.risk-gauge { display: flex; align-items: center; gap: 8px; }
.risk-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.risk-low { background: var(--success); box-shadow: 0 0 6px rgba(22,163,74,0.4); }
.risk-medium { background: var(--warning); box-shadow: 0 0 6px rgba(217,119,6,0.4); }
.risk-high { background: #ea580c; box-shadow: 0 0 6px rgba(234,88,12,0.4); }
.risk-critical { background: var(--danger); box-shadow: 0 0 6px rgba(220,38,38,0.4); }

/* ── 타임라인 ── */
.timeline { position: relative; padding-left: 28px; }
.timeline::before {
  content: ''; position: absolute; left: 10px; top: 0; bottom: 0;
  width: 2px; background: var(--border);
}
.timeline-item { position: relative; padding-bottom: 20px; }
.timeline-dot {
  position: absolute; left: -23px; top: 4px;
  width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid #fff; z-index: 1;
}
.timeline-content { font-size: 13px; }
.timeline-date { font-size: 11px; color: var(--text-muted); margin-bottom: 4px; }
.timeline-text { color: var(--text-secondary); }

/* ── 알림 ── */
.alert {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 14px 16px; border-radius: var(--radius-sm);
  font-size: 13px; margin-bottom: 14px;
}
.alert-info { background: rgba(37,99,235,0.07); border: 1px solid rgba(37,99,235,0.2); color: #1e40af; }
.alert-success { background: rgba(22,163,74,0.07); border: 1px solid rgba(22,163,74,0.2); color: #15803d; }
.alert-warning { background: rgba(217,119,6,0.07); border: 1px solid rgba(217,119,6,0.2); color: #92400e; }
.alert-danger { background: rgba(220,38,38,0.07); border: 1px solid rgba(220,38,38,0.2); color: #991b1b; }
.alert-icon { font-size: 18px; flex-shrink: 0; margin-top: 1px; }
.alert-body .alert-title { font-weight: 700; margin-bottom: 3px; }
.alert-body .alert-text { opacity: 0.8; font-size: 12px; }

/* ── 빈 상태 ── */
.empty-state {
  text-align: center; padding: 48px 24px;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 48px; margin-bottom: 14px; opacity: 0.4; }
.empty-state h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; color: var(--text-secondary); }
.empty-state p { font-size: 13px; }

/* ── 토스트 ── */
.toast-container {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 9999; display: flex; flex-direction: column; gap: 10px;
}
.toast {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 18px;
  display: flex; align-items: center; gap: 12px;
  box-shadow: var(--shadow-lg); min-width: 300px;
  animation: slideInRight 0.3s ease;
  font-size: 13px; color: var(--text-primary);
}
.toast.toast-success { border-left: 4px solid var(--success); }
.toast.toast-warning { border-left: 4px solid var(--warning); }
.toast.toast-danger { border-left: 4px solid var(--danger); }
.toast.toast-info { border-left: 4px solid var(--info); }
@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; transform: translateY(8px); }
}

/* ── 스켈레톤 로더 ── */
.skeleton {
  background: linear-gradient(90deg, #e8edf5 25%, #f0f4f8 50%, #e8edf5 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}
@keyframes shimmer {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}

/* ── 아이콘 배지 ── */
.icon-box {
  width: 40px; height: 40px;
  border-radius: 10px; display: flex; align-items: center;
  justify-content: center; font-size: 18px; flex-shrink: 0;
}

/* ── 구분선 ── */
.divider {
  height: 1px; background: var(--border-light);
  margin: 20px 0;
}

/* ── 툴팁 ── */
[data-tooltip] { position: relative; cursor: help; }
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute; bottom: calc(100% + 6px); left: 50%;
  transform: translateX(-50%);
  background: var(--primary); border: none;
  color: #fff; font-size: 11px; font-weight: 500;
  padding: 5px 10px; border-radius: 6px; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: opacity 0.2s;
  z-index: 1000;
  box-shadow: var(--shadow);
}
[data-tooltip]:hover::after { opacity: 1; }

/* ── 체크리스트 ── */
.checklist-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  margin-bottom: 8px; transition: var(--transition);
  cursor: pointer;
  background: var(--bg-card);
}
.checklist-item:hover { background: rgba(37,99,170,0.04); border-color: var(--border); }
.checklist-item.done { opacity: 0.65; }
.checklist-item .check-icon {
  width: 20px; height: 20px; border-radius: 50%;
  border: 2px solid #c8d6ea; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; transition: var(--transition);
}
.checklist-item.done .check-icon {
  background: var(--success); border-color: var(--success); color: #fff;
}
.checklist-item .check-text { font-size: 13px; flex: 1; color: var(--text-primary); }
.checklist-item.done .check-text { text-decoration: line-through; color: var(--text-muted); }

/* ── 오버레이/트랜지션 ── */
.page-overlay {
  position: fixed; inset: 0; background: var(--bg-dark);
  z-index: 500; display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 16px;
}
.loader {
  width: 40px; height: 40px; border-radius: 50%;
  border: 3px solid var(--border);
  border-top-color: var(--accent); animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── 반응형 ── */
@media (max-width: 1200px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .sidebar { position: fixed; left: -260px; height: 100vh; z-index: 200; }
  .sidebar.mobile-open { left: 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .col-span-2, .col-span-3 { grid-column: span 1; }
  .page-content { padding: 16px; }
  .topbar-search { display: none; }
}

/* ── 유틸리티 ── */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-primary-color { color: var(--text-primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-accent { color: var(--accent); }
.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }
.fw-bold { font-weight: 700; }
.fw-600 { font-weight: 600; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.w-100 { width: 100%; }
.flex-1 { flex: 1; }
.hidden { display: none !important; }
.visible { display: block !important; }

/* ── 차트 컨테이너 ── */
.chart-container { position: relative; height: 280px; }
.chart-container canvas { max-width: 100%; }