/* =================================================================
   Design System Tokens
   ================================================================= */

:root {
  /* 색상 */
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --secondary: #10b981;
  --bg-body: #f3f4f6;
  --bg-card: #ffffff;
  --text-main: #1f2937;
  --text-sub: #6b7280;
  --border: #e5e7eb;
  --danger: #ef4444;
  --warning: #f59e0b;
  --holiday: #fca5a5;

  /* Space Token (간격 표준화) */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 20px;
  --space-2xl: 24px;
  --space-3xl: 32px;
  --space-4xl: 40px;

  /* Surface Layer (영역/계층 구분) */
  --surface-bg: var(--bg-body);             /* Level 0: 전체 배경 */
  --surface-base: var(--bg-card);           /* Level 1: 카드/패널 기본 */
  --surface-elevated: #ffffff;              /* Level 2: 독립 카드, 떠있는 느낌 */
  --surface-overlay: #ffffff;              /* Level 3: 모달, 팝업 오버레이 */

  /* Elevation/Depth (그림자 계층) */
  --depth-level-0: none;                    /* 전체 배경 */
  --depth-level-1: 0 1px 2px rgba(0,0,0,0.04);           /* 섹션 패널 */
  --depth-level-2: 0 4px 6px -1px rgba(0,0,0,0.08);      /* 독립 카드 */
  --depth-level-3: 0 10px 25px -3px rgba(0,0,0,0.12);    /* 모달/드롭다운 */
  --depth-level-4: 0 20px 40px -4px rgba(0,0,0,0.16);    /* 최상위 팝업 */

  /* 레이아웃 */
  --sidebar-width: 260px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 12px;
}

/* =================================================================
   2. 기본 스타일 리셋
   ================================================================= */
* { box-sizing: border-box; outline: none; }
body {
  font-family: 'Segoe UI', 'Pretendard', -apple-system, sans-serif;
  background: var(--surface-bg);
  color: var(--text-main);
  margin: 0;
  height: 100vh;
  display: flex;
  overflow: hidden;
  gap: 0;
}

/* =================================================================
   3. 레이아웃 - 사이드바  (Surface Level 1 + Depth 1)
   ================================================================= */
.sidebar {
  width: var(--sidebar-width);
  background: #1e293b;
  color: white;
  display: flex;
  flex-direction: column;
  padding: var(--space-xl);
  flex-shrink: 0;
  transition: transform 0.3s;
  z-index: 200;
  overflow-y: auto;
  container-type: inline-size;
}
.sidebar-header {
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: var(--space-xl);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}
.sidebar-close-btn {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.3rem;
  cursor: pointer;
}

/* 역할 선택기 */
.role-selector {
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
}
.role-selector label {
  font-size: 0.78rem;
  color: #94a3b8;
  display: block;
  margin-bottom: var(--space-sm);
}
.role-selector select {
  width: 100%;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  border: none;
  background: rgba(255,255,255,0.15);
  color: white;
  font-size: 0.9rem;
  cursor: pointer;
}
.role-selector select option {
  background: #1e293b;
  color: white;
}

/* 네비게이션 메뉴 */
.nav-menu { list-style: none; padding: 0; margin: 0; flex: 1; }
.nav-item {
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-xs);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: 0.2s;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: #94a3b8;
  font-size: 0.95rem;
}
.nav-item:hover { background: rgba(255,255,255,0.1); color: white; }
.nav-item.active { background: var(--primary); color: white; font-weight: 600; }
.nav-parent { justify-content: space-between; }
.nav-caret { transition: transform 0.2s; font-size: 0.8rem; }
.nav-caret.closed { transform: rotate(-90deg); }
.nav-submenu { list-style: none; margin: 0 0 var(--space-xs); padding: 0; }
.nav-subitem {
  padding: var(--space-sm) var(--space-lg) var(--space-sm) calc(var(--space-lg) + var(--space-lg));
  margin-bottom: var(--space-xs);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.88rem;
  color: #94a3b8;
  transition: 0.2s;
}
.nav-subitem:hover { background: rgba(255,255,255,0.1); color: white; }
.nav-subitem.active { background: var(--primary); color: white; font-weight: 600; }

/* 프로젝트 선택기 */
.project-selector {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.project-select {
  width: 100%;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  border: none;
  background: rgba(255,255,255,0.1);
  color: white;
  font-size: 0.9rem;
}
.project-select option { background: #1e293b; color: white; }

/* 사이드바 백드롭 */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 150;
}
.sidebar-backdrop.show { display: block; }

/* =================================================================
   4. 레이아웃 - 메인 콘텐츠  (Surface Level 1)
   ================================================================= */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  min-width: 0;
  background: var(--surface-bg);
}
.top-bar {
  min-height: 60px;
  background: var(--surface-base);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) var(--space-xl);
  flex-shrink: 0;
  flex-wrap: wrap;
  gap: var(--space-md);
  box-shadow: var(--depth-level-1);
}
.page-title { font-size: 1.1rem; font-weight: 700; }
.header-actions { display: flex; gap: var(--space-sm); flex-wrap: wrap; }
.view-container {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-xl);
  display: none;
}
.view-container.active { display: block; }

/* =================================================================
   5. UI 컴포넌트  (Surface Level 2)
   ================================================================= */
.btn {
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: 0.2s;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  white-space: nowrap;
  background: transparent;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline {
  background: white;
  border: 1px solid var(--border);
  color: var(--text-main);
}
.btn-outline:hover { background: #f9fafb; border-color: var(--primary); }
.btn-danger { background: #fee2e2; color: var(--danger); }
.btn-danger:hover { background: #fecaca; }
.btn-success { background: #d1fae5; color: var(--secondary); }
.btn-success:hover { background: #a7f3d0; }
.btn-danger:disabled, .btn-outline:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.btn-icon { padding: var(--space-xs) var(--space-sm); font-size: 0.85rem; }

.card {
  background: var(--surface-elevated);
  border-radius: var(--radius-lg);
  box-shadow: var(--depth-level-2);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
}

/* =================================================================
   6. 대시보드 - 통계 카드
   ================================================================= */
.stats-row {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: var(--space-xl);
}
@media (max-width: 900px) {
  .stats-row { grid-template-columns: 1fr; gap: 12px; }
}
.stat-card {
  background: var(--surface-elevated);
  border-radius: var(--radius-lg);
  box-shadow: var(--depth-level-2);
  padding: var(--space-sm) var(--space-xs);
  border-left: 3px solid var(--primary);
  min-width: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
}
/* 핵심 카드 차별화: 프로젝트 건강도(보라 테두리) + 전체 작업(인디고 테두리) */
.stat-card.key-card {
  background: var(--surface-elevated);
  border: 2px solid #8b5cf6;
  box-shadow: 0 10px 28px rgba(139, 92, 246, 0.18);
  overflow: hidden;
}
/* 카드2(전체 작업): 카드1(보라)과 구분되는 인디고 블루 테두리 */
.stat-card.key-card.key-card-total {
  border: 2px solid #6366f1;
  box-shadow: 0 10px 28px rgba(99, 102, 241, 0.18);
}
/* 핵심 카드 내부 레이아웃: 원형 아이콘 + 콘텐츠 */
.key-card-body { display: flex; align-items: center; gap: 12px; margin: 4px 0; flex: 1; min-width: 0; }
.key-card-icon { width: 46px; height: 46px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex: 0 0 auto; }
.key-card-icon.health-icon { background: #10b981; }
.key-card-icon.total-icon { background: #7c3aed; }
.key-card-main { display: flex; flex-direction: column; min-width: 0; }
.stat-card.key-card .stat-label { color: var(--text-main); }
.stat-card.key-card .stat-label-row { color: var(--text-main); }
.stat-card.key-card .stat-value { color: var(--text-main); font-size: 1.8rem; line-height: 1.1; }
.stat-card.key-card .health-value { color: #1B5E20; }
.stat-card.key-card .total-value { color: #4A148C; }
.stat-card.key-card .stat-help-icon { color: #fff; }
/* 양호 버튼형 라벨 */
.stat-card.key-card .stat-sub.success { color: var(--text-sub); }
.health-badge {
  display: inline-block; width: fit-content; padding: 2px 12px;
  border-radius: 999px; background: #ecfdf5; color: #059669;
  border: 1px solid #a7f3d0; font-weight: 600; margin-top: 4px;
}
/* 범례 (진행중/대기/완료) */
.legend { display: flex; flex-wrap: wrap; gap: 6px 10px; margin-top: 6px; font-size: 0.72rem; color: var(--text-sub); }
.legend-item { display: inline-flex; align-items: center; gap: 4px; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex: 0 0 auto; }
.dot-progress { background: #3b82f6; }
.dot-todo { background: #f59e0b; }
.dot-done { background: #10b981; }
/* 건강도 프로그레스바 */
.health-progress { margin-top: auto; }
.stat-card .stat-label {
  font-size: 0.8rem;
  color: inherit;
  opacity: 0.95;
  margin-bottom: var(--space-xs);
}




.stat-card.done { border-left-color: var(--secondary); }
.stat-card.progress { border-left-color: #3b82f6; }
.stat-card.overdue { border-left-color: var(--danger); }
.stat-card.health { border-left-color: #8b5cf6; }

/* 2행 레이아웃: 프로젝트 진행 현황(도넛)만 표시 */
.dashboard-row-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: var(--space-xl);
  align-items: stretch;
}
/* 상단 카드: 좁아지면 1열 */
@media (max-width: 600px) {
  .stats-row { grid-template-columns: 1fr; gap: 12px; }
}
.dashboard-row-2 .card { margin-bottom: 0; height: 100%; }

/* 도넛차트: 2행 카드 높이만큼 꽉 채움 (원형 유지) */
.dashboard-row-2 .progress-status-card { display: flex; flex-direction: column; }
.dashboard-row-2 .progress-status-card .donut-wrap {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 24px;
  min-height: 0;
}
.dashboard-row-2 .progress-status-card .donut-chart {
  height: 100%;
  width: auto;
  aspect-ratio: 1 / 1;
  min-height: 180px;
  max-height: min(45vh, 320px);
  max-width: 100%;
  flex: 1 1 auto;
}
.dashboard-row-2 .progress-status-card .donut-hole {
  width: 62%; height: 62%;
}
.donut-chart {
  width: 150px; height: 150px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; flex: 0 0 auto;
}
.donut-hole {
  width: 96px; height: 96px; border-radius: 50%;
  background: var(--surface-elevated);
  display: flex; align-items: center; justify-content: center; text-align: center;
}
.donut-total { font-size: 0.8rem; font-weight: 700; color: var(--text-main); }
.donut-legend { display: flex; flex-direction: column; gap: 8px; font-size: 0.82rem; color: var(--text-sub); }
.donut-legend-item { display: flex; align-items: center; gap: 6px; }
.dashboard-row-2 .progress-status-card { display: flex; flex-direction: column; }
.dashboard-row-2 .progress-status-card .donut-wrap {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 24px;
  min-height: 0;
}
/* 도넛: 카드 높이만큼 꽉 채움 (원형 유지) */
.dashboard-row-2 .progress-status-card .donut-chart {
  height: 100%;
  width: auto;
  aspect-ratio: 1 / 1;
  max-height: 260px;
  max-width: 100%;
  flex: 0 0 auto;
}
.dashboard-row-2 .progress-status-card .donut-hole {
  width: 62%; height: 62%;
}
.status-tag {
  display: inline-block; padding: 2px 10px; border-radius: 999px;
  font-size: 0.72rem; font-weight: 600;
}
.st-done { background: #E8F5E9; color: #2E7D32; }
.st-progress { background: #E3F2FD; color: #1565C0; }
.st-todo { background: #F5F5F5; color: #616161; }
.stat-card.done { border-left-color: var(--secondary); }
.stat-card.progress { border-left-color: #3b82f6; }
.stat-card.overdue { border-left-color: var(--danger); }
.stat-card.health { border-left-color: #8b5cf6; }
.stat-card .stat-label {
  color: var(--text-sub);
  margin-bottom: var(--space-xs);
}
.stat-value { font-size: 1.5rem; font-weight: 700; }
.stat-sub {
  font-size: 0.75rem;
  color: var(--text-sub);
  margin-top: var(--space-xs);
}
.progress-bar-outer {
  position: relative;
  width: 100%;
  height: 8px;
  background: #e5e7eb;
  border-radius: 4px;
  margin: var(--space-sm) 0 var(--space-xs);
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.06);
}
.stat-card .progress-bar-outer,
.part-status-card .progress-bar-outer {
  position: relative;
  left: auto;
  right: auto;
  bottom: auto;
  margin-top: auto;
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
  background: #e5e7eb;
  height: 8px;
  background: #e5e7eb;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.06);
  margin: 0;
  padding: 0;
  border-top: none;
}
.stat-card { position: relative; display: flex; flex-direction: column; min-height: 140px; padding: 12px; overflow: visible; }
.progress-bar-outer .progress-pct {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: #4b5563;
  z-index: 2;
  pointer-events: none;
}
.progress-bar-inner {
  height: 100%;
  background: var(--secondary);
  transition: width 0.3s;
}

/* 건강도 스코어 */
.health-score-card {
  background: #fff;
  color: inherit;
  border-left: none !important;
}
.health-score-value { font-size: 2.2rem; font-weight: 800; color: #5b21b6 !important; margin: 10px 0; }
.health-score-label { color: rgba(255,255,255,0.9); }
.health-indicator {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 700;
  margin-top: var(--space-sm);
}
.health-excellent { background: #10b981; }
.health-good { background: #3b82f6; }
.health-warning { background: #f59e0b; }
.health-critical { background: #ef4444; }

/* =================================================================
   7. 대시보드 - 레이아웃
   ================================================================= */
.dashboard-layout {
  display: flex;
  gap: var(--space-xl);
  height: calc(100% - 0px);
  align-items: flex-start;
}
.calendar-panel {
  width: 300px;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.board-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100%;
}

/* 주간 실적 요약 (PM/고객 관점 Phase 2) */
.trend-chart-card { margin-bottom: var(--space-xl); }
.trend-gantt-wrap {
  background: var(--surface-elevated);
  border-radius: var(--radius-lg);
  box-shadow: var(--depth-level-2);
  overflow: hidden;
}
.trend-scroll { overflow-x: auto; }
.trend-cols {
  display: grid;
  grid-template-columns: repeat(4, minmax(220px, 1fr));
  gap: var(--space-md);
  padding: var(--space-lg);
  container-type: inline-size;
  container-name: trend;
}
.trend-empty {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  color: var(--text-sub);
  font-size: 0.9rem;
}
.trend-week-col {
  background: #f8fafc;
  border-radius: var(--radius-md);
  border: 1px solid #e2e8f0;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.trend-week-header {
  padding: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  border-bottom: 1px solid #e2e8f0;
  background: #f1f5f9;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.trend-week-num {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--primary-dark);
}
.trend-week-date {
  font-size: 0.72rem;
  color: var(--text-sub);
  white-space: nowrap;
}
.trend-week-summary {
  display: flex;
  gap: var(--space-sm);
}
.trend-summary-item {
  font-size: 0.7rem;
  color: var(--text-sub);
  background: white;
  border-radius: 6px;
  padding: 2px 6px;
  border: 1px solid #e2e8f0;
}
.trend-summary-label {
  font-weight: 600;
  margin-right: 2px;
}
.trend-metric-row {
  padding: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.trend-ring {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 5px solid var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: white;
}
.trend-ring-val {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--text-main);
}
.trend-metric-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.trend-metric-text strong {
  font-size: 1.2rem;
  font-weight: 800;
}
.trend-metric-text span {
  font-size: 0.9rem;
  color: var(--text-main);
}
.trend-metric-sub {
  font-size: 0.68rem;
  color: var(--text-sub);
}
.trend-progress-outer {
  height: 8px;
  background: #e2e8f0;
  margin: 0 var(--space-md) var(--space-md);
  border-radius: 4px;
  overflow: hidden;
}
.trend-progress-inner {
  height: 100%;
  border-radius: 4px;
  transition: width 0.4s ease;
}
.trend-lists {
  padding: 0 var(--space-md) var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.trend-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.trend-list li {
  font-size: 0.78rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex-wrap: wrap;
}
.trend-badge-part {
  display: inline-block;
  padding: 2px var(--space-sm);
  border-radius: 999px;
  background: #dbeafe;
  color: #1e40af;
  font-size: 0.68rem;
  font-weight: 700;
}
.trend-badge-progress {
  display: inline-block;
  padding: 2px var(--space-sm);
  border-radius: 999px;
  background: #d1fae5;
  color: #065f46;
  font-size: 0.68rem;
  font-weight: 700;
}
.trend-badge-milestone {
  display: inline-block;
  padding: 2px var(--space-sm);
  border-radius: 999px;
  background: #fef3c7;
  color: #92400e;
  font-size: 0.68rem;
  font-weight: 700;
}
.trend-progress-pct {
  margin-left: auto;
  font-size: 0.7rem;
  color: var(--text-sub);
  font-weight: 700;
}
.trend-milestone-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}
.trend-milestone-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px var(--space-sm);
  border-radius: 999px;
  background: #fffbeb;
  color: #92400e;
  border: 1px solid #fcd34d;
  font-size: 0.7rem;
  font-weight: 700;
}
.trend-empty-text {
  color: var(--text-sub);
  font-style: italic;
  font-size: 0.75rem;
}
.trend-legend {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-md) var(--space-xl);
  background: #f8fafc;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.trend-legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.72rem;
  color: var(--text-sub);
}
.trend-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

/* Container Query */
@container trend (max-width: 1000px) {
  .trend-cols {
    grid-template-columns: repeat(2, 1fr);
  }
}
@container trend (max-width: 500px) {
  .trend-cols {
    grid-template-columns: 1fr;
  }
} */
.trend-chart-card { margin-bottom: var(--space-xl); }
.trend-chart {
  container-type: inline-size;
  container-name: trend;
  background: var(--surface-elevated);
  border-radius: var(--radius-lg);
  box-shadow: var(--depth-level-2);
  overflow: hidden;
}
.trend-empty {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  color: var(--text-sub);
  font-size: 0.9rem;
}
.trend-table {
  width: 100%;
  border-collapse: collapse;
}
.trend-table thead th {
  background: #f8fafc;
  padding: var(--space-md);
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-sub);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.trend-table thead th:first-child {
  text-align: left;
  width: 200px;
  min-width: 140px;
}
.trend-table tbody td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid #f1f5f9;
  font-size: 0.82rem;
  vertical-align: middle;
}
.trend-table tbody tr:hover { background: #fdfdfd; }
.trend-task-name {
  font-weight: 600;
  color: var(--text-main);
  padding-right: var(--space-sm);
}
.trend-task-meta {
  font-size: 0.68rem;
  color: var(--text-sub);
  margin-top: 1px;
}
.trend-cell {
  position: relative;
  height: 44px;
  background: #f8fafc;
  border-left: 1px solid #f1f5f9;
}
.trend-cell.today-col { background: #eff6ff; }
.trend-cell.weekend-col { background: #fdfdfd; }
.trend-bar {
  position: absolute;
  top: 8px;
  height: 28px;
  border-radius: var(--radius-sm);
  color: white;
  font-size: 0.68rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  padding: 0 var(--space-sm);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  box-shadow: 0 1px 2px rgba(0,0,0,0.08);
  cursor: pointer;
  transition: filter 0.2s;
  min-width: 20px;
}
.trend-bar:hover { filter: brightness(1.05); z-index: 5; }
.trend-bar.status-done { background: var(--secondary); }
.trend-bar.status-inprogress { background: var(--primary); }
.trend-bar.status-review { background: #f59e0b; }
.trend-bar.status-todo { background: #94a3b8; }
.trend-today-marker {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--danger);
  z-index: 4;
  opacity: 0.6;
}
.trend-today-label {
  position: absolute;
  top: 2px;
  font-size: 0.6rem;
  color: var(--danger);
  font-weight: 700;
  transform: translateX(-50%);
  white-space: nowrap;
}
.trend-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-top: 1px solid var(--border);
  background: #f8fafc;
}
.trend-legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.72rem;
  color: var(--text-sub);
}
.trend-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

/* Container Query */
@container trend (max-width: 900px) {
  .trend-table thead th:first-child,
  .trend-table tbody td:first-child {
    width: 130px;
    min-width: 100px;
  }
  .trend-bar { font-size: 0.6rem; padding: 0 var(--space-xs); }
}
@container trend (max-width: 600px) {
  .trend-table thead th:first-child,
  .trend-table tbody td:first-child {
    width: 90px;
    min-width: 70px;
  }
  .trend-task-name { font-size: 0.72rem; }
  .trend-task-meta { display: none; }
  .trend-bar { font-size: 0.55rem; }
}


/* 담당 영역별 현황 */
.part-status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: var(--space-xl);
}
.part-status-card {
  background: var(--surface-elevated);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-sm);
  border-left: 4px solid var(--primary);
  display: flex;
  flex-direction: column;
  position: relative;
}
.part-status-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-xs);
}
.part-status-name { font-weight: 700; font-size: 0.9rem; color: var(--text-main); }
.part-status-badge-row { margin-bottom: var(--space-xs); }
.part-status-badge {
  font-size: 0.7rem;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 8px;
  background: white;
  color: var(--text-sub);
  display: inline-block;
}
.part-status-progress {
  margin-top: auto;
  padding-top: var(--space-xs);
  border-top: 1px solid rgba(0,0,0,0.06);
}
.part-status-stats {
  display: flex;
  gap: var(--space-sm);
  font-size: 0.72rem;
  color: var(--text-sub);
}
/* part status tooltip */
.stat-help-icon {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
  cursor: help;
  flex-shrink: 0;
  border: 1.5px solid transparent;
}
.stat-help-icon:hover { filter: brightness(1.1); }

/* =================================================================
   8. 칸반 보드
   ================================================================= */
.kanban-board {
  display: flex;
  gap: var(--space-lg);
  overflow-x: auto;
  height: 100%;
  align-items: flex-start;
  padding-bottom: var(--space-sm);
}
.kanban-col {
  min-width: 280px;
  width: 280px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  max-height: 100%;
}
.col-header {
  padding: var(--space-md);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  background: #f1f5f9;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  display: flex;
  justify-content: space-between;
}
.col-body {
  padding: var(--space-sm);
  flex: 1;
  overflow-y: auto;
  min-height: 100px;
}
.col-body.drag-over { background: #eff6ff; }

/* Container Queries 예시 */
.task-card-container {
  container-type: inline-size;
  container-name: taskcard;
}
.task-card {
  background: white;
  padding: var(--space-md);
  padding-left: var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
  margin-bottom: var(--space-sm);
  cursor: grab;
  position: relative;
  border-left: 4px solid #d1d5db;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--space-sm);
}
.task-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 3px 8px rgba(0,0,0,0.1);
}
.task-card.priority-high { border-left-color: var(--danger); }
.task-card.priority-medium { border-left-color: var(--warning); }
.task-card.priority-low { border-left-color: var(--secondary); }
.task-card.overdue { background: #fff7f7; }

/* Container Query: 350px 이하로 좁아지면 카드 내부를 세로 정렬 */
@container taskcard (max-width: 350px) {
  .task-card {
    flex-direction: column;
    align-items: stretch;
  }
}

.task-title {
  font-weight: 600;
  margin-bottom: var(--space-xs);
  padding-right: var(--space-lg);
  flex: 1;
}
.empty-state {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  color: var(--text-sub);
  font-size: 0.85rem;
}

/* 메모 말풍선 */
.memo-icon {
  cursor: pointer;
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  color: #9ca3af;
  font-size: 0.8rem;
}
.memo-tooltip {
  display: none;
  position: absolute;
  right: var(--space-md);
  top: calc(var(--space-md) + 18px);
  background: #333;
  color: white;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  width: 200px;
  z-index: 10;
  box-shadow: 0 4px 6px rgba(0,0,0,0.2);
}
.memo-icon:hover + .memo-tooltip { display: block; }

/* =================================================================
   9. 달력 그리드
   ================================================================= */
.cal-header-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
  gap: var(--space-xs);
}
.cal-header-controls select {
  border: 1px solid var(--border);
  background: white;
  font-weight: bold;
  border-radius: var(--radius-sm);
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.85rem;
}
.cal-day-name {
  font-size: 0.75rem;
  color: var(--text-sub);
  padding: var(--space-xs) 0;
}
.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-xs);
  text-align: center;
}
.cal-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.9rem;
  position: relative;
}
.cal-day:hover { background: #eff6ff; }
.cal-day.selected { background: var(--primary); color: white; }
.cal-day.holiday {
  background-color: var(--holiday);
  color: #7f1d1d;
  font-weight: bold;
}
.cal-day.today { box-shadow: inset 0 0 0 2px var(--primary); }
.cal-day.has-task::after {
  content: '';
  position: absolute;
  bottom: 2px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--primary);
}
.cal-day.selected.has-task::after { background: white; }
.cal-nav-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
}
.cal-nav-btn:hover { background: #f1f5f9; }

/* =================================================================
   10. WBS 테이블
   ================================================================= */
.wbs-toolbar {
  padding: var(--space-md) var(--space-xl);
  border-bottom: 1px solid var(--border);
  background: var(--surface-layer-1, #f8fafc);
  display: flex;
  gap: var(--space-md);
  align-items: center;
  flex-wrap: wrap;
}
.wbs-toolbar .spacer { flex: 1; }
.wbs-toolbar input[type="text"], .wbs-toolbar input[type="date"] {
  padding: var(--space-sm);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}
.wbs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 900px;
}
.wbs-table th {
  background: #f1f5f9;
  padding: var(--space-md);
  text-align: left;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 2;
}
.wbs-table td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.wbs-table-scroll { overflow: auto; flex: 1; }

/* WBS 트리 구조 */
.wbs-tree { display: flex; align-items: center; gap: var(--space-xs); }
.wbs-toggle {
  width: 16px;
  text-align: center;
  color: var(--text-sub);
  transition: transform 0.2s;
  cursor: pointer;
  flex-shrink: 0;
}
.wbs-toggle.collapsed { transform: rotate(-90deg); }
.wbs-code {
  font-family: monospace;
  font-weight: bold;
  color: var(--primary);
  width: 44px;
  display: inline-block;
  flex-shrink: 0;
  font-size: 0.8rem;
}
.wbs-input {
  border: 1px solid transparent;
  padding: var(--space-xs);
  border-radius: var(--radius-sm);
  width: 100%;
  background: transparent;
  font-size: 0.85rem;
}
.wbs-input:focus, .wbs-input:hover {
  border-color: var(--border);
  background: white;
}
.wbs-title-input { flex: 1; min-width: 60px; }

/* 간트 바 */
.wbs-gantt {
  display: flex;
  align-items: center;
  height: 22px;
  background: #e2e8f0;
  border-radius: 4px;
  position: relative;
  width: 100%;
  min-width: 140px;
  overflow: hidden;
}
.wbs-bar {
  height: 14px;
  background: var(--primary);
  border-radius: 4px;
  position: absolute;
  top: 4px;
  transition: all 0.3s;
}

/* 상태/우선순위 배지 */
.status-badge {
  padding: var(--space-xs) var(--space-sm);
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-block;
  white-space: nowrap;
}
.status-todo { background: #e2e8f0; color: #475569; }
.status-inprogress { background: #dbeafe; color: #1e40af; }
.status-review { background: #fef3c7; color: #92400e; }
.status-done { background: #d1fae5; color: #065f46; }
.status-cancel {
  background: #fee2e2;
  color: #991b1b;
  text-decoration: line-through;
}
.priority-badge {
  padding: var(--space-xs) var(--space-sm);
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-block;
}
.priority-badge.high { background: #fee2e2; color: var(--danger); }
.priority-badge.medium { background: #fef3c7; color: var(--warning); }
.priority-badge.low { background: #d1fae5; color: var(--secondary); }
.row-actions { display: flex; gap: var(--space-xs); }

/* =================================================================
   11. RISK 관리
   ================================================================= */
.risk-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
  border-left: 4px solid #d1d5db;
  transition: 0.2s;
}
.risk-card:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
.risk-card.critical { border-left-color: #7f1d1d; }
.risk-card.high { border-left-color: #dc2626; }
.risk-card.medium { border-left-color: #ea580c; }
.risk-card.low { border-left-color: #ca8a04; }
.risk-card.minimal { border-left-color: #65a30d; }
.risk-severity-badge {
  padding: var(--space-xs) var(--space-sm);
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: 700;
  color: white;
}
.risk-status-badge {
  padding: var(--space-xs) var(--space-sm);
  border-radius: 10px;
  font-size: 0.7rem;
  color: white;
}
.risk-category-badge {
  padding: var(--space-xs) var(--space-sm);
  border-radius: 10px;
  font-size: 0.7rem;
  background: #e2e8f0;
  color: #475569;
}

/* =================================================================
   12. 알림 패널
   ================================================================= */
.alert-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}
.alert-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}
.alert-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-height: 220px;
  overflow-y: auto;
}
.alert-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  cursor: pointer;
  background: #f8fafc;
  border-left: 3px solid var(--border);
}
.alert-item:hover { background: #f1f5f9; }
.alert-item .alert-tag { flex-shrink: 0; font-weight: 700; }
.alert-item.overdue { border-left-color: var(--danger); }
.alert-item.duesoon { border-left-color: var(--warning); }
.alert-item.depviolation { border-left-color: #6366f1; }
.alert-item.unassigned { border-left-color: #9ca3af; }
.alert-empty {
  text-align: center;
  padding: var(--space-lg);
  color: var(--text-sub);
  font-size: 0.82rem;
}
.alert-count-chip {
  font-size: 0.72rem;
  padding: var(--space-xs) var(--space-md);
  border-radius: 10px;
  background: var(--primary);
  color: white;
  font-weight: 700;
}

/* =================================================================
   13. 모달 스타일  (Surface Level 3 + Depth 3)
   ================================================================= */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  padding: var(--space-lg);
  container-type: inline-size;
}
.modal-overlay.show { display: flex; }
.modal {
  background: var(--surface-overlay);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  width: 400px;
  max-width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--depth-level-3);
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}
.modal-header h3 { margin: 0; font-size: 1.05rem; }
.modal-close {
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--text-sub);
  line-height: 1;
  background: none;
  border: none;
}
.form-col { display: flex; flex-direction: column; gap: var(--space-lg); }
.form-row { display: flex; gap: var(--space-lg); }
.form-row > * { flex: 1; min-width: 0; }
.field-label {
  font-size: 0.78rem;
  color: var(--text-sub);
  margin-bottom: var(--space-xs);
  display: block;
}
.modal input[type="text"],
.modal input[type="date"],
.modal select,
.modal textarea {
  width: 100%;
  padding: var(--space-sm);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}
.modal-footer {
  margin-top: var(--space-xl);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-lg);
  flex-wrap: wrap;
}
.error-text {
  color: var(--danger);
  font-size: 0.78rem;
  min-height: 16px;
}

/* Container Query: 모달이 좁으면 버튼 세로 정렬 */
@container (max-width: 400px) {
  .modal-footer {
    flex-direction: column;
  }
  .modal-footer .btn {
    width: 100%;
    justify-content: center;
  }
}

/* 확인 모달 */
.confirm-modal { width: 340px; text-align: center; }
.confirm-modal p {
  color: var(--text-sub);
  margin: var(--space-lg) 0 var(--space-xl);
  white-space: pre-line;
}
.confirm-modal .modal-footer { justify-content: center; }

/* =================================================================
   14. 토스트 알림  (Surface Level 3 + Depth 4)
   ================================================================= */
#toast-container {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  container-type: inline-size;
  container-name: toast;
}
.toast {
  background: #1e293b;
  color: white;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  box-shadow: var(--depth-level-4);
  animation: toast-in 0.25s ease-out;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  max-width: 320px;
  background: var(--surface-overlay);
}
.toast.error { background: #7f1d1d; }
.toast.success { background: #065f46; }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =================================================================
   15. 반응형 디자인
   ================================================================= */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    height: 100%;
    top: 0;
    left: 0;
    transform: translateX(-100%);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-close-btn { display: block; }
  #mobile-menu-btn { display: inline-flex !important; }
  .dashboard-layout { flex-direction: column; }
  .calendar-panel { width: 100%; height: auto; }
  .board-panel { height: 60vh; }
  .kanban-board {
    /* Container Query-ish fallback: stack vertically */
    flex-direction: column;
    height: auto;
  }
  .kanban-col { width: 100%; min-width: 100%; max-height: 320px; }
  .wbs-toolbar { flex-direction: column; align-items: stretch; }
  .wbs-toolbar .spacer { display: none; }
  .stats-row { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: var(--space-xs); }
  .top-bar { padding: var(--space-lg); }
  .header-actions .btn span.btn-text { display: none; }
}

@media (min-width: 769px) {
  #mobile-menu-btn { display: none; }
}

/* =================================================================
   16. Phase 2 추가 스타일 - 보고서
   ================================================================= */
.report-header {
  background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
  color: white;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-xl);
}
.report-section { margin-bottom: var(--space-2xl); }
.report-section-title {
  color: #1e293b;
  border-left: 4px solid;
  padding-left: var(--space-lg);
  margin: var(--space-xl) 0 var(--space-lg);
  font-size: 1.1rem;
  font-weight: 700;
}
.report-section-title.done { border-color: #10b981; }
.report-section-title.plan { border-color: #3b82f6; }
.report-section-title.delay { border-color: #ef4444; }
.report-section-title.milestone { border-color: #7c3aed; }
.report-section-title.risk { border-color: #f59e0b; }
.report-task-list {
  background: #f8fafc;
  border-radius: var(--radius-md);
  padding: var(--space-md);
}
.report-task-item {
  padding: var(--space-sm) 0;
  border-bottom: 1px dashed #e2e8f0;
  font-size: 0.9rem;
}
.report-task-item:last-child { border-bottom: none; }

/* PL 코멘트 입력 폼 */
.pl-comment-form {
  background: #f8fafc;
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}
.pl-comment-form textarea {
  width: 100%;
  min-height: 80px;
  padding: var(--space-sm);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  resize: vertical;
}

/* =================================================================
   17. Phase 3 추가 스타일 - 변경 이력 및 병합
   ================================================================= */
.changelog-item {
  background: #f8fafc;
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
}
.changelog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}
.changelog-user {
  font-weight: 700;
  color: var(--primary);
}
.changelog-time {
  font-size: 0.75rem;
  color: var(--text-sub);
}
.changelog-action {
  font-size: 0.85rem;
  color: var(--text-main);
}
.changelog-detail {
  font-size: 0.78rem;
  color: var(--text-sub);
  margin-top: var(--space-xs);
  font-family: monospace;
}

/* 병합 도구 */
.merge-tool {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}
.merge-panel {
  background: #f8fafc;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}
.merge-panel.selected {
  border-color: var(--primary);
  background: #eff6ff;
}
.merge-conflict {
  background: #fef3c7;
  border-left: 4px solid var(--warning);
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
}

/* =================================================================
   18. 인쇄 최적화
   ================================================================= */
@media print {
  body {
    background: white !important;
    overflow: visible !important;
    height: auto !important;
  }
  .sidebar { display: none !important; }
  .top-bar { display: none !important; }
  .wbs-toolbar { display: none !important; }
  .view-container {
    display: block !important;
    position: static !important;
    overflow: visible !important;
    padding: 0 !important;
    height: auto !important;
  }
  .view-container:not(.active) { display: none !important; }
  .card {
    box-shadow: none !important;
    border: 1px solid #e2e8f0 !important;
    break-inside: avoid;
    page-break-inside: avoid;
  }
  * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
    color-adjust: exact !important;
  }
}

/* =================================================================
   19. 사람 관리, 휴일, 부하 현황
   ================================================================= */
.person-form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}
.person-list-item {
  background: #f8fafc;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-left: 4px solid var(--primary);
}
.person-info { flex: 1; }
.person-name {
  font-weight: 700;
  margin-bottom: var(--space-xs);
}
.person-badge {
  background: #e0e7ff;
  color: #4338ca;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 10px;
  font-size: 0.7rem;
  margin-left: var(--space-sm);
}
.person-meta {
  font-size: 0.8rem;
  color: var(--text-sub);
  margin-top: var(--space-xs);
}
.holiday-item {
  background: #f8fafc;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-left: 4px solid var(--holiday);
}
.workload-item {
  background: #f8fafc;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  border-left: 4px solid var(--primary);
}
.workload-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}
.workload-name {
  font-weight: 700;
  font-size: 1rem;
}
.workload-stats {
  display: flex;
  gap: var(--space-lg);
  font-size: 0.8rem;
  color: var(--text-sub);
}
.workload-bar-outer {
  width: 100%;
  height: 20px;
  background: #e5e7eb;
  border-radius: 10px;
  overflow: hidden;
}
.workload-bar-inner {
  height: 100%;
  background: var(--secondary);
  transition: width 0.3s;
}

/* =================================================================
   20. 간트 차트 (일정 차트)
   ================================================================= */
.chart-mode-group {
  display: flex;
  gap: var(--space-sm);
}
.chart-period-label {
  font-weight: 700;
  font-size: 1rem;
  padding: var(--space-md) var(--space-lg);
  background: #f8fafc;
  border-radius: var(--radius-sm);
  min-width: 200px;
  text-align: center;
}
.gantt-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}
.gantt-timeline-header {
  background: #f8fafc;
  border-bottom: 2px solid var(--border);
  flex-shrink: 0;
}
.gantt-week-row {
  display: flex;
  border-bottom: 1px solid #e2e8f0;
}
.gantt-week-label {
  text-align: center;
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--text-sub);
  padding: 4px 0;
  border-right: 1px solid #e2e8f0;
}
.gantt-day-row { display: flex; }
.gantt-cell {
  flex: 1 1 0;
  min-width: 0;
  text-align: center;
  padding: 8px 2px;
  font-size: 0.75rem;
  border-right: 1px solid #e2e8f0;
  position: relative;
}
.gantt-cell.weekend { background: #f8f9fa; }
.gantt-cell.holiday-cell {
  background: #fff5f5;
  color: var(--danger);
}
.gantt-cell.today-cell {
  background: #dbeafe;
  font-weight: 700;
  color: var(--primary);
}
.gantt-body {
  flex: 1;
  overflow-y: auto;
  position: relative;
}
.gantt-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-sub);
  font-size: 0.9rem;
}
.gantt-grid-lines {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  pointer-events: none;
  z-index: 0;
}
.gantt-grid-lines .gantt-cell {
  border-right: 1px solid #e5e7eb;
  border-bottom: none;
}
.gantt-category-header {
  background: #f1f5f9;
  padding: var(--space-md) var(--space-lg);
  font-weight: 700;
  border-bottom: 2px solid var(--border);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 10;
}
.gantt-category-header:hover { background: #e2e8f0; }
.gantt-category-toggle {
  font-size: 0.8rem;
  color: var(--text-sub);
  transition: transform 0.2s;
}
.gantt-category-toggle.collapsed { transform: rotate(-90deg); }
.gantt-task-row {
  display: flex;
  align-items: center;
  border-bottom: 1px solid #e5e7eb;
  position: relative;
  min-height: 40px;
  padding: 4px 0;
}
.gantt-task-row:hover { background: #f8fafc; }
.gantt-task-info {
  width: 250px;
  flex-shrink: 0;
  padding: var(--space-sm) var(--space-md);
  border-right: 2px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.gantt-task-title {
  font-weight: 600;
  font-size: 0.85rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.gantt-task-meta {
  font-size: 0.7rem;
  color: var(--text-sub);
}
.gantt-timeline {
  flex: 1;
  display: flex;
  position: relative;
  min-height: 40px;
}
.gantt-bar {
  position: absolute;
  height: 24px;
  top: 50%;
  transform: translateY(-50%);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 0 var(--space-sm);
  font-size: 0.7rem;
  font-weight: 600;
  color: white;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  transition: all 0.2s;
  overflow: hidden;
  white-space: nowrap;
}
.gantt-bar-progress {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  height: 100%;
  background: rgba(0,0,0,0.12);
  pointer-events: none;
  transition: width 0.3s ease;
  z-index: 0;
}
.gantt-bar-milestone {
  position: absolute;
  right: var(--space-sm);
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.95rem;
  pointer-events: none;
  z-index: 2;
}
.gantt-bar > span.gantt-bar-label { position: relative; z-index: 3; }
.gantt-bar:hover {
  transform: translateY(-50%) scale(1.05);
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  z-index: 100;
}
.gantt-bar.status-todo { background: #94a3b8; }
.gantt-bar.status-inprogress { background: #3b82f6; }
.gantt-bar.status-review { background: #f59e0b; }
.gantt-bar.status-done { background: #10b981; }
.gantt-bar.priority-high {
  border: 2px solid var(--danger);
}

/* =================================================================
   21. 사람 관리, 휴일, 부하 현황 (보충)
   ================================================================= */
/* 이미 19번에 포함되어 있으므로 중복 제거 */

/* =================================================================
   22. 기존 스타일 호환 (deprecated fallback)
   ================================================================= */
/* 구 코드에서 사용하던 gap: 10px, padding: 20px 등을 위해 호환 스타일 제공 */
.card-deprecated {
  box-shadow: var(--depth-level-2);
  border-radius: var(--radius-lg);
  background: var(--surface-elevated);
}

/* =================================================================
   23. 접근성: 고대비 모드
   ================================================================= */
@media (prefers-contrast: high) {
  :root {
    --border: #000000;
    --text-sub: #333333;
  }
  .card, .stat-card, .task-card {
    border: 2px solid var(--text-main);
  }
}

/* =================================================================
   24. 모션 감소: 움직임 최소화
   ================================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* 대시보드 도움말 아이콘 */
.stat-help-icon {
  position: absolute;
  right: 12px;
  top: 12px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid #d1d5db;
  background: #f3f4f6;
  color: #374151;
  font-size: 13px;
  line-height: 22px;
  text-align: center;
  cursor: help;
  font-weight: 700;
}
.stat-card { padding: var(--space-sm) var(--space-xs);
  position: relative;
}

/* 풍선 도움말 */
.stat-help-tooltip {
  position: fixed;
  z-index: 9999;
  max-width: 260px;
  background: #111827;
  color: #f9fafb;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 12px;
  line-height: 1.5;
  pointer-events: none;
  box-shadow: 0 6px 18px rgba(0,0,0,0.25);
}
.stat-help-tooltip::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  background: inherit;
  transform: rotate(45deg);
}



.stat-label-text {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-sub);
}
.stat-help-icon {
  color: inherit;
  opacity: 0.95;
  cursor: help;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(0,0,0,0.08);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
  position: static;
  flex-shrink: 0;
}
.stat-help-icon:hover { opacity: 1; }

.stat-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  margin: 0;
  border-radius: 8px;
  background: inherit;
}
.health-header { background: #ede9fe; color: #5b21b6; border-bottom: 1px solid #ddd; }
.gray-header { background: #ede9fe; color: #5b21b6; border-bottom: 1px solid #ddd; }
.green-header { background: #d1fae5; color: #065f46; }
.blue-header { background: #dbeafe; color: #1e40af; }
.orange-header { background: #fef3c7; color: #92400e; }
.red-header { background: #fee2e2; color: #991b1b; }
.stat-label-text {
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.2;
}
.stat-sub { color: #6b7280; font-size: 0.78rem; margin-top: 4px; }
.stat-sub.success { background: #d1fae5; color: #065f46; padding: 2px 8px; border-radius: 999px; display: inline-block; }
.stat-value { font-size: 1.6rem; font-weight: 800; line-height: 1.1; }

/* Tooltip - single source of truth */
.stat-help-wrap { position: relative; display: inline-flex; z-index: 10; }
.stat-help-balloon {
  opacity: 0;
  transition: opacity 0.2s;
  display: none;
  position: absolute;
  visibility: visible;
  left: 50%;
  bottom: calc(100% + 28px);
  transform: translateX(-50%);
  background: #1f2937;
  color: #fff;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.8rem;
  width: 260px;
  max-width: calc(100vw - 16px);
  z-index: 9999;
  box-shadow: 0 10px 24px rgba(0,0,0,0.35);
  line-height: 1.45;
  pointer-events: auto;
  white-space: normal;
  word-break: keep-all;
}
.stat-help-wrap:hover .stat-help-balloon {
  display: block !important;
  opacity: 1 !important;
  visibility: visible !important;
}
.stat-help-icon:hover + .stat-help-balloon,
.stat-help-balloon:hover { display: block !important; }
.stat-help-balloon::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: #1f2937;
}

/* =================================================================
   대시보드 설정 (설정관리 > 대시보드 설정)
   ================================================================= */
.ds-card {
  flex: 1 1 200px;
  min-width: 200px;
  max-width: 320px;
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  background: #fff;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ds-card-active {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}
.ds-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-weight: 600;
}
.ds-card-name { font-size: 0.9rem; }
.ds-thumb-box {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  background: #f8fafc;
}
.ds-thumb {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
}
.ds-thumb-card {
  height: 22px;
  border-radius: 4px;
}
.ds-thumb-two {
  grid-template-columns: 1fr 1fr;
  position: relative;
}
.ds-thumb-two .ds-thumb-card { height: 30px; }
.ds-thumb-donut {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: conic-gradient(#4CAF50 0 55%, #2196F3 55% 80%, #9E9E9E 80% 92%, #FF9800 92% 100%);
  border: 4px solid #f8fafc;
  position: absolute;
  right: 10px;
  top: 34px;
}
.ds-thumb-wide { grid-column: 1 / -1; height: 26px; }
.ds-thumb-horiz {
  display: flex !important;
  align-items: center;
  gap: 6px;
}
.ds-thumb-horiz .ds-thumb-card { width: 30px; height: 30px; flex: 0 0 auto; }
.ds-thumb-horiz .ds-thumb-donut { position: static; margin-left: auto; }
.ds-card-foot {
  display: flex;
  justify-content: flex-end;
  min-height: 28px;
  align-items: center;
  margin-top: auto;
}
.ds-badge {
  font-size: 0.75rem;
  color: var(--text-sub);
  background: #eef2ff;
  border: 1px solid #c7d2fe;
  border-radius: 999px;
  padding: 2px 10px;
}
.btn-sm { padding: 4px 10px; font-size: 0.8rem; }

/* 대시보드 설정 뷰 전체 화면 (중앙 정렬 카드 해제) */
.ds-fullscreen {
  max-width: none !important;
  width: 100%;
  margin: 0 !important;
  background: transparent;
  box-shadow: none;
  border: none;
}
#view-dashboard-settings.view-container {
  padding: 0 !important;
}

/* 설정2/3/4 공통: 상단 2카드 + 하단 도넛/테이블 (세로 2행) */
.dashboard-top-combo {
  display: block;
}
.dashboard-top-combo .stats-row {
  margin-bottom: var(--space-xl);
}