/* work-analysis.css - 최신 모던 디자인 */

/* ========== CSS 변수 정의 ========== */
:root {
  /* 색상 팔레트 - 모던하고 세련된 색상 */
  --primary: #2563eb;
  --primary-light: #3b82f6;
  --primary-dark: #1d4ed8;
  --primary-bg: #eff6ff;
  
  --success: #10b981;
  --success-light: #34d399;
  --success-bg: #ecfdf5;
  
  --warning: #f59e0b;
  --warning-light: #fbbf24;
  --warning-bg: #fffbeb;
  
  --error: #ef4444;
  --error-light: #f87171;
  --error-bg: #fef2f2;
  
  --info: #06b6d4;
  --info-light: #22d3ee;
  --info-bg: #ecfeff;
  
  /* 중성 색상 */
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  
  /* 그라디언트 */
  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  --gradient-success: linear-gradient(135deg, var(--success) 0%, var(--success-light) 100%);
  --gradient-warning: linear-gradient(135deg, var(--warning) 0%, var(--warning-light) 100%);
  --gradient-error: linear-gradient(135deg, var(--error) 0%, var(--error-light) 100%);
  --gradient-bg: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  
  /* 그림자 */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* 테두리 반경 */
  --radius-sm: 0.375rem;
  --radius: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;
  
  /* 간격 */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  
  /* 전환 효과 */
  --transition-fast: 150ms ease-in-out;
  --transition: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;
}

/* ========== 기본 스타일 리셋 ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--gradient-bg);
  color: var(--gray-800);
  line-height: 1.6;
  min-height: 100vh;
}

/* ========== 컨테이너 및 레이아웃 ========== */
.analysis-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-6);
  min-height: 100vh;
}

.page-header {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  margin-bottom: var(--space-8);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.page-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.page-title .icon {
  font-size: 2rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-subtitle {
  font-size: 1.125rem;
  color: var(--gray-600);
  font-weight: 400;
}

/* ========== 탭 네비게이션 ========== */
.analysis-tabs {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-2);
  margin-bottom: var(--space-8);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  display: flex;
  gap: var(--space-2);
}

.tab-button {
  flex: 1;
  padding: var(--space-4) var(--space-6);
  border: none;
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  background: transparent;
  color: var(--gray-600);
}

.tab-button:hover {
  background: var(--gray-100);
  color: var(--gray-800);
}

.tab-button.active {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.tab-button.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--white);
  border-radius: var(--radius-full);
}

/* ========== 분석 조건 설정 ========== */
.analysis-controls {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  margin-bottom: var(--space-8);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
}

.controls-grid {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.form-label .icon {
  font-size: 1rem;
  color: var(--primary);
}

.form-input,
.form-select {
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.875rem;
  transition: var(--transition);
  background: var(--white);
  color: var(--gray-800);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.analyze-button {
  background: var(--gradient-primary);
  color: var(--white);
  border: none;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  justify-self: start;
}

.analyze-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.analyze-button:active {
  transform: translateY(0);
}

.analyze-button .icon {
  font-size: 1.125rem;
}

/* ========== 결과 카드 그리드 ========== */
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.result-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.result-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2xl);
}

.result-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.result-card.success::before {
  background: var(--gradient-success);
}

.result-card.warning::before {
  background: var(--gradient-warning);
}

.result-card.error::before {
  background: var(--gradient-error);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.card-title .icon {
  font-size: 1.25rem;
  color: var(--primary);
}

.card-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: var(--space-2);
}

.card-subtitle {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: var(--space-4);
}

.card-progress {
  width: 100%;
  height: 8px;
  background: var(--gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-3);
}

.progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.progress-bar.success {
  background: var(--gradient-success);
}

.progress-bar.warning {
  background: var(--gradient-warning);
}

.progress-bar.error {
  background: var(--gradient-error);
}

.card-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--gray-500);
}

/* ========== 차트 컨테이너 ========== */
.chart-container {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  margin-bottom: var(--space-8);
  position: relative;
  min-height: 200px; /* 최소 높이만 설정 */
  overflow: visible; /* 테이블이 보이도록 */
}

/* 차트 컨테이너 타입별 스타일 */
.chart-container.chart-type {
  height: 450px; /* 차트일 때만 고정 높이 */
  overflow: hidden; /* 차트일 때만 넘치는 부분 숨김 */
}

.chart-container.table-type {
  height: auto; /* 테이블일 때는 자동 높이 */
  overflow: visible; /* 테이블 전체 표시 */
  max-height: none; /* 최대 높이 제한 해제 */
}

.chart-container canvas {
  max-height: 380px !important; /* 캔버스 최대 높이 제한 */
  width: 100% !important;
}

/* ========== 작업 보고서 테이블 ========== */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}

.work-report-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--white);
  table-layout: fixed; /* 고정 레이아웃으로 열 너비 제어 */
}

/* 열 너비 설정 */
.work-report-table th:nth-child(1), /* 작업자 */
.work-report-table td:nth-child(1) {
  width: 12%;
}

.work-report-table th:nth-child(2), /* 분류 */
.work-report-table td:nth-child(2) {
  width: 20%;
}

.work-report-table th:nth-child(3), /* 작업내용 */
.work-report-table td:nth-child(3) {
  width: 18%;
}

.work-report-table th:nth-child(4), /* 투입시간 */
.work-report-table td:nth-child(4) {
  width: 12%;
}

.work-report-table th:nth-child(5), /* 작업공수 */
.work-report-table td:nth-child(5) {
  width: 15%;
}

.work-report-table th:nth-child(6), /* 작업일/일평균시간 */
.work-report-table td:nth-child(6) {
  width: 15%;
}

.work-report-table th:nth-child(7), /* 비고 */
.work-report-table td:nth-child(7) {
  width: 8%;
}

.work-report-table th {
  background: var(--gradient-primary);
  color: var(--white);
  font-weight: 600;
  padding: 1rem 0.75rem;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  vertical-align: middle;
  line-height: 1.3;
}

.work-report-table th:last-child {
  border-right: none;
}

.work-report-table th small {
  font-size: 0.75rem;
  font-weight: 400;
  opacity: 0.9;
}

.work-report-table td {
  padding: 0.75rem;
  text-align: center;
  border-right: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
  vertical-align: middle;
}

.work-report-table td:last-child {
  border-right: none;
}

.work-report-table tbody tr:hover {
  background: var(--gray-50);
}

.work-report-table .total-row {
  background: var(--warning-bg);
  font-weight: 600;
}

.work-report-table .total-row td {
  border-top: 2px solid var(--warning);
  padding: 1rem 0.75rem;
}

/* 작업자별 그룹핑 스타일 */
.work-report-table .worker-group {
  background: var(--gray-50);
  border-left: 4px solid var(--primary);
}

.work-report-table .worker-name {
  font-weight: 600;
  color: var(--primary);
  vertical-align: middle;
  text-align: center;
  background: rgba(37, 99, 235, 0.15); /* 파란색 계열 배경 강화 */
  border-right: 3px solid var(--primary); /* 작업자 구분선 */
  position: relative;
}

.work-report-table .man-days {
  vertical-align: middle;
  text-align: center;
  background: rgba(16, 185, 129, 0.15); /* 초록색 계열 배경 강화 */
  font-weight: 600;
  white-space: nowrap; /* 텍스트 줄바꿈 방지 */
  min-width: 80px; /* 최소 너비 설정 */
}

.work-report-table .work-days {
  vertical-align: middle;
  text-align: center;
  background: rgba(245, 158, 11, 0.15); /* 주황색 계열 배경 강화 */
  font-weight: 600;
  white-space: nowrap; /* 텍스트 줄바꿈 방지 */
  min-width: 100px; /* 최소 너비 설정 */
}

.work-report-table .project-name {
  font-weight: 500;
  color: var(--gray-700);
  background: rgba(59, 130, 246, 0.08);
}

/* 작업자 그룹 경계선 */
.work-report-table .worker-group-first td {
  border-top: 3px solid var(--primary);
}

.work-report-table .worker-group-last td {
  border-bottom: 2px solid var(--gray-300);
}

/* 동일 프로젝트 그룹 스타일 */
.work-report-table .project-group {
  background: rgba(59, 130, 246, 0.05);
}

.work-report-table .project-group-first .project-name {
  border-top: 2px solid rgba(59, 130, 246, 0.3);
}

.work-report-table .project-group-last .project-name {
  border-bottom: 2px solid rgba(59, 130, 246, 0.3);
}

/* 연차/휴무 프로젝트 스타일 */
.work-report-table .vacation-project {
  background: rgba(34, 197, 94, 0.05); /* 연한 초록색 배경 */
}

.work-report-table .vacation-project .project-name {
  background: rgba(34, 197, 94, 0.1); /* 연차/휴무 프로젝트 배경 */
  color: var(--success);
  font-style: italic;
}

.work-report-table .vacation-project .work-content {
  color: var(--gray-500);
  font-style: italic;
  text-align: center;
}

.work-report-table .work-content {
  color: var(--gray-600);
}

/* ========== Production Report 테이블 ========== */
.production-report-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--white);
  border: 2px solid #000;
}

.production-report-table th {
  background: #4472C4;
  color: var(--white);
  font-weight: 600;
  padding: 1rem 0.75rem;
  text-align: center;
  border: 1px solid #000;
  vertical-align: middle;
  line-height: 1.3;
}

.production-report-table td {
  padding: 0.75rem;
  border: 1px solid #000;
  text-align: center;
  vertical-align: middle;
}

/* 프로젝트명 (Job No.) 스타일 */
.production-report-table .project-name {
  background: #5D9CEC;
  color: var(--white);
  font-weight: 600;
  text-align: center;
  writing-mode: horizontal-tb;
  text-orientation: mixed;
  width: 150px;
  min-width: 150px;
  padding: 0.5rem;
  line-height: 1.3;
}

/* 작업 내용 스타일 */
.production-report-table .work-content {
  background: var(--white);
  color: var(--gray-800);
  font-weight: 500;
  text-align: center;
}

/* 공수 스타일 */
.production-report-table .man-days {
  background: var(--white);
  color: var(--gray-800);
  font-weight: 600;
  text-align: center;
}

/* 부하율 스타일 */
.production-report-table .load-rate {
  background: var(--white);
  color: var(--gray-800);
  font-weight: 600;
  text-align: center;
}

/* 인건비 스타일 */
.production-report-table .labor-cost {
  background: var(--white);
  color: var(--gray-800);
  font-weight: 600;
  text-align: center;
}

/* 합계 행 스타일 */
.production-report-table .total-row {
  background: #FFF3CD !important;
  font-weight: 700;
  border-top: 2px solid #F39C12;
}

.production-report-table .total-row td {
  background: #FFF3CD !important;
  color: #856404;
  font-weight: 700;
}

/* 프로젝트 그룹 스타일 */
.production-report-table .project-group {
  border-top: 2px solid #000;
}

.production-report-table .project-group:first-child {
  border-top: none;
}

/* 연차/휴무 스타일 */
.production-report-table .vacation-project {
  background: #E8F5E8 !important;
  border-top: 3px solid #4CAF50 !important;
}

.production-report-table .vacation-project .project-name {
  background: #4CAF50 !important;
  color: var(--white) !important;
  font-weight: 700;
  text-align: center;
  font-size: 1rem;
  writing-mode: horizontal-tb !important;
  text-orientation: mixed !important;
}

.production-report-table .vacation-project .work-content {
  background: #E8F5E8 !important;
  color: #2E7D32 !important;
  font-weight: 600;
  text-align: center;
}

.production-report-table .vacation-project td {
  background: #E8F5E8 !important;
  color: #2E7D32 !important;
  font-weight: 500;
}

.production-report-table .vacation-project .man-days,
.production-report-table .vacation-project .load-rate,
.production-report-table .vacation-project .labor-cost {
  background: #E8F5E8 !important;
  color: #2E7D32 !important;
  font-weight: 600;
}

/* 프로젝트별 합계 행 스타일 */
.production-report-table .project-subtotal {
  background: #E8F4FD !important;
  font-weight: 600;
  border-bottom: 2px solid #5D9CEC;
}

.production-report-table .project-subtotal td {
  background: #E8F4FD !important;
  color: #2E5BBA;
  font-weight: 600;
  border-bottom: 2px solid #5D9CEC;
}

.work-report-table .input-hours {
  font-weight: 600;
  color: var(--success);
}

.work-report-table .man-days {
  font-weight: 600;
  color: var(--primary);
}

.work-report-table .work-days {
  color: var(--gray-600);
  font-size: 0.85rem;
}

.chart-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--gray-100);
}

/* 기간 확정 버튼 */
.confirm-period-button {
  background: var(--gradient-primary);
  color: var(--white);
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-6);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
}

.confirm-period-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.confirm-period-button:disabled {
  background: var(--gray-300);
  cursor: not-allowed;
  transform: none;
}

/* 기간 상태 표시 */
.period-status {
  background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
  border: 2px solid #10b981;
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  color: #065f46;
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15);
  min-width: 280px;
}

.period-status .icon {
  font-size: 1.2rem;
  color: #10b981;
}

/* 차트별 분석 버튼 */
.chart-analyze-btn {
  background: var(--gradient-secondary);
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-4);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.chart-analyze-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.chart-analyze-btn:disabled {
  background: var(--gray-300);
  color: var(--gray-500);
  cursor: not-allowed;
  transform: none;
}

/* ========== 탭 네비게이션 ========== */
.tab-navigation {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  margin-bottom: var(--space-8);
}

.tab-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.tab-button {
  background: var(--gray-50);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-700);
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  text-align: center;
}

.tab-button:hover {
  background: var(--gray-100);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.tab-button.active {
  background: var(--gradient-primary);
  border-color: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

.tab-button .icon {
  font-size: 1.2rem;
}

/* ========== 탭 컨텐츠 ========== */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.chart-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.chart-title .icon {
  font-size: 1.5rem;
  color: var(--primary);
}

.chart-canvas {
  width: 100%;
  height: 400px;
  border-radius: var(--radius);
}

/* ========== 데이터 테이블 ========== */
.data-table-container {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  margin-bottom: var(--space-8);
}

.table-header {
  background: var(--gradient-primary);
  color: var(--white);
  padding: var(--space-6);
}

.table-title {
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

.data-table th {
  background: var(--gray-50);
  font-weight: 600;
  color: var(--gray-700);
  font-size: 0.875rem;
}

.data-table tr:hover {
  background: var(--gray-50);
}

.data-table td {
  font-size: 0.875rem;
  color: var(--gray-800);
}

/* ========== 상태 배지 ========== */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.status-badge.success {
  background: var(--success-bg);
  color: var(--success);
}

.status-badge.warning {
  background: var(--warning-bg);
  color: var(--warning);
}

.status-badge.error {
  background: var(--error-bg);
  color: var(--error);
}

.status-badge.info {
  background: var(--info-bg);
  color: var(--info);
}

/* ========== 로딩 상태 ========== */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16);
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--gray-200);
  border-top: 4px solid var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--space-4);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-text {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-600);
}

/* ========== 빈 상태 ========== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16);
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  text-align: center;
}

.empty-icon {
  font-size: 4rem;
  color: var(--gray-400);
  margin-bottom: var(--space-4);
}

.empty-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-700);
  margin-bottom: var(--space-2);
}

.empty-description {
  font-size: 1rem;
  color: var(--gray-500);
  max-width: 400px;
}

/* ========== 반응형 디자인 ========== */
@media (max-width: 1024px) {
  .analysis-container {
    padding: var(--space-4);
  }
  
  .page-title {
    font-size: 2rem;
  }
  
  .controls-grid {
    grid-template-columns: 1fr;
  }
  
  .results-grid {
    grid-template-columns: 1fr;
  }
  
  .chart-canvas {
    height: 300px;
  }
}

@media (max-width: 768px) {
  .analysis-container {
    padding: var(--space-3);
  }
  
  .page-header {
    padding: var(--space-6);
  }
  
  .page-title {
    font-size: 1.75rem;
    flex-direction: column;
    text-align: center;
  }
  
  .analysis-tabs {
    flex-direction: column;
  }
  
  .tab-button {
    text-align: center;
  }
  
  .chart-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
  
  .chart-canvas {
    height: 250px;
  }
  
  .data-table-container {
    overflow-x: auto;
  }
  
  .data-table {
    min-width: 600px;
  }
  
  .error-analysis-table {
    font-size: 0.8rem;
  }
  
  .error-analysis-table th,
  .error-analysis-table td {
    padding: 0.5rem 0.25rem;
  }
  
  .error-analysis-table .job-no {
    width: 80px;
    min-width: 80px;
    font-size: 0.75rem;
  }
  
  .error-analysis-table .work-type-breakdown {
    gap: 0.15rem;
  }
  
  .error-analysis-table .work-type-item {
    padding: 0.15rem;
  }
}

@media (max-width: 480px) {
  .analysis-container {
    padding: var(--space-2);
  }
  
  .page-header {
    padding: var(--space-4);
  }
  
  .page-title {
    font-size: 1.5rem;
  }
  
  .analysis-controls {
    padding: var(--space-4);
  }
  
  .controls-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .form-group {
    width: 100%;
  }
  
  .period-status {
    min-width: auto;
    font-size: 0.85rem;
  }
  
  .tab-buttons {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  
  .tab-button {
    padding: var(--space-3) var(--space-4);
    font-size: 0.85rem;
  }
  
  .result-card {
    padding: var(--space-4);
  }
  
  .chart-container {
    padding: var(--space-4);
  }
  
  .chart-canvas {
    height: 200px;
  }
}

/* ========== 애니메이션 ========== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

.slide-in {
  animation: slideIn 0.4s ease-out;
}

/* ========== 접근성 개선 ========== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 포커스 표시 개선 */
button:focus,
input:focus,
select:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ========== 오류 분석 테이블 스타일 ========== */
.error-analysis-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    font-size: 0.9rem;
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.error-analysis-table th {
    background: #FF6B6B; /* 오류 분석 전용 빨간색 헤더 */
    color: var(--white);
    font-weight: 600;
    text-align: center;
    padding: 1rem 0.75rem;
    border-bottom: 2px solid #E74C3C;
    font-size: 0.85rem;
    line-height: 1.3;
}

.error-analysis-table td {
    padding: 0.75rem;
    border-bottom: 1px solid #F8F9FA;
    text-align: center;
    vertical-align: middle;
}

.error-analysis-table .job-no,
.error-analysis-table .project-name {
    background: #FFE5E5; /* 연한 빨간색 배경 */
    color: #C0392B;
    font-weight: 600;
    text-align: center;
    width: 120px;
    min-width: 120px;
    vertical-align: middle;
}

.error-analysis-table .work-content {
    text-align: left;
    font-weight: 500;
    color: var(--gray-800);
}

.error-analysis-table .total-hours {
    font-weight: 600;
    color: var(--gray-900);
}

.error-analysis-table .detail-hours {
    text-align: left;
    line-height: 1.4;
}

.error-analysis-table .regular-hours {
    color: #27AE60;
    font-weight: 500;
}

.error-analysis-table .error-hours {
    color: #E74C3C;
    font-weight: 600;
}

.error-analysis-table .work-type {
    text-align: left;
    padding: 0.5rem;
}

.error-analysis-table .work-type-breakdown {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.error-analysis-table .work-type-item {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    padding: 0.25rem;
    background: #F8F9FA;
    border-radius: 4px;
    margin-bottom: 0.25rem;
}

/* 정규 작업 스타일 */
.error-analysis-table .work-type-item.regular {
    background: #E8F5E8;
    border-left: 3px solid #4CAF50;
}

.error-analysis-table .work-type-item.regular .work-type-name {
    color: #2E7D32;
}

.error-analysis-table .work-type-item.regular .regular-time {
    color: #4CAF50;
    font-weight: 600;
}

.error-analysis-table .work-type-item.regular .work-type-status {
    color: #388E3C;
    font-size: 0.7rem;
    font-weight: 500;
}

/* 오류 작업 스타일 */
.error-analysis-table .work-type-item.error {
    background: #FFEBEE;
    border-left: 3px solid #F44336;
}

.error-analysis-table .work-type-item.error .work-type-name {
    color: #C62828;
}

.error-analysis-table .work-type-item.error .error-time {
    color: #F44336;
    font-weight: 600;
}

.error-analysis-table .work-type-item.error .work-type-status {
    color: #D32F2F;
    font-size: 0.7rem;
    font-weight: 600;
}

.error-analysis-table .work-type-name {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.85rem;
}

.error-analysis-table .work-type-hours {
    font-size: 0.75rem;
    color: var(--gray-600);
}

.error-analysis-table .error-percentage {
    font-weight: 600;
    font-size: 1rem;
}

.error-analysis-table .error-percentage.has-error {
    color: #E74C3C;
    background: #FFE5E5;
    border-radius: 4px;
    padding: 0.25rem;
}

/* 프로젝트 그룹 스타일 */
.error-analysis-table .project-group {
    border-top: 1px solid #E0E0E0;
}

.error-analysis-table .project-group:first-child {
    border-top: none;
}

/* 연차/휴무 오류 스타일 */
.error-analysis-table .vacation-project {
    background: #FFF3E0 !important; /* 연한 오렌지 배경 */
    border-top: 3px solid #FF9800 !important;
}

.error-analysis-table .vacation-project .job-no,
.error-analysis-table .vacation-project .project-name {
    background: #FF9800 !important; /* 오렌지 배경 */
    color: var(--white) !important;
}

.error-analysis-table .vacation-project td {
    background: #FFF3E0 !important;
    color: #E65100 !important;
}

/* 총계 행 스타일 */
.error-analysis-table .total-row {
    background: #FFEBEE !important;
    color: #C62828;
    border-top: 2px solid #E74C3C;
    font-weight: 600;
}

.error-analysis-table .total-row td {
    background: #FFEBEE !important;
    color: #C62828 !important;
    font-weight: 600;
    border-bottom: none;
}

/* 다크 모드 지원 (선택사항) */
@media (prefers-color-scheme: dark) {
  :root {
    --white: #1e293b;
    --gray-50: #0f172a;
    --gray-100: #1e293b;
    --gray-200: #334155;
    --gray-800: #f1f5f9;
    --gray-900: #ffffff;
  }
}