/**
 * annual-vacation-overview.css
 * 연간 연차 현황 페이지 스타일
 */

.page-container {
  min-height: 100vh;
  background: var(--color-bg-primary);
}

.main-content {
  padding: 2rem 0;
}

.content-wrapper {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* 페이지 헤더 */
.page-header {
  margin-bottom: 2rem;
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.page-description {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* 필터 섹션 */
.filter-section {
  margin-bottom: 2rem;
}

.filter-controls {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
  flex-wrap: wrap;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 200px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.form-select {
  padding: 0.625rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: white;
  font-size: 0.875rem;
  color: var(--color-text-primary);
  transition: all 0.2s;
}

.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* 탭 네비게이션 */
.tabs-section {
  margin-bottom: 2rem;
}

.tabs-nav {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid var(--color-border);
  padding: 0;
  margin: 0;
}

.tab-btn {
  padding: 1rem 2rem;
  border: none;
  background: none;
  color: var(--color-text-secondary);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  transition: all 0.2s;
  border-radius: 8px 8px 0 0;
}

.tab-btn:hover {
  color: var(--color-primary);
  background: rgba(59, 130, 246, 0.05);
}

.tab-btn.active {
  color: var(--color-primary);
  background: white;
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
}

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

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

/* 월 선택 컨트롤 */
.month-controls {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.month-controls .form-select {
  min-width: 120px;
}

/* 차트 섹션 */
.chart-section {
  margin-bottom: 2rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0;
}

.chart-controls {
  display: flex;
  gap: 0.5rem;
}

.btn-outline {
  background: white;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.btn-outline:hover {
  background: var(--color-bg-secondary);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.chart-container {
  position: relative;
  height: 500px;
  padding: 1.5rem;
}

/* 테이블 섹션 */
.table-section {
  margin-bottom: 2rem;
}

.table-responsive {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table thead {
  background: var(--color-bg-secondary);
}

.data-table th {
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--color-text-primary);
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
}

.data-table tbody tr {
  border-bottom: 1px solid var(--color-border);
  transition: background 0.2s;
}

.data-table tbody tr:hover {
  background: var(--color-bg-secondary);
}

.data-table td {
  padding: 1rem;
  color: var(--color-text-primary);
}

.loading-state {
  padding: 3rem 1rem !important;
  text-align: center;
}

.loading-state .spinner {
  margin: 0 auto 1rem;
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loading-state p {
  margin: 0;
  color: var(--color-text-secondary);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* 사용률 프로그레스 바 */
.usage-rate-cell {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.progress-bar {
  flex: 1;
  height: 8px;
  background: var(--color-bg-secondary);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.3s ease;
}

.progress-fill.low {
  background: linear-gradient(90deg, #10b981 0%, #059669 100%);
}

.progress-fill.medium {
  background: linear-gradient(90deg, #f59e0b 0%, #d97706 100%);
}

.progress-fill.high {
  background: linear-gradient(90deg, #ef4444 0%, #dc2626 100%);
}

.usage-rate-text {
  font-weight: 600;
  min-width: 45px;
  text-align: right;
}

/* 반응형 */
@media (max-width: 768px) {
  .content-wrapper {
    padding: 0 1rem;
  }

  .page-title {
    font-size: 1.5rem;
  }

  .tabs-nav {
    flex-direction: column;
    gap: 0;
  }

  .tab-btn {
    border-radius: 0;
  }

  .filter-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .form-group {
    width: 100%;
    min-width: auto;
  }

  .chart-container {
    height: 400px;
  }

  .card-header {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }

  .chart-controls {
    width: 100%;
  }

  .chart-controls button {
    flex: 1;
  }
}