/*
 * Dashboard UI - 簡約設計
 * 風格：清爽、現代、專業
 */

/* ============================================
   1. 頁面標題區域
   ============================================ */
.page-header {
  margin-bottom: 1.5rem;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.page-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.page-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ============================================
   2. 統計卡片
   ============================================ */
.stat-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  transition: var(--transition-base);
  height: 100%;
}

.stat-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

.stat-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.stat-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.stat-card-icon.primary {
  background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
  color: var(--primary-dark);
}

.stat-card-icon.success {
  background: linear-gradient(135deg, var(--success-50), var(--success-light));
  color: var(--success-dark);
}

.stat-card-icon.warning {
  background: linear-gradient(135deg, var(--warning-50), var(--warning-light));
  color: var(--warning-dark);
}

.stat-card-icon.danger {
  background: linear-gradient(135deg, var(--danger-50), var(--danger-light));
  color: var(--danger-dark);
}

.stat-card-icon.info {
  background: linear-gradient(135deg, var(--info-50), var(--info-light));
  color: var(--info-dark);
}

.stat-card-trend {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
}

.stat-card-trend.up {
  background: var(--success-light);
  color: #15803d;
}

.stat-card-trend.down {
  background: var(--danger-light);
  color: #b91c1c;
}

.stat-card-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 0.375rem;
}

.stat-card-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Widget 舊版相容 */
.widget-flat {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  transition: var(--transition-base);
  height: 100%;
}

.widget-flat:hover {
  box-shadow: var(--shadow-md);
}

.widget-flat .widget-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.widget-icon-primary {
  background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
  color: var(--primary-dark);
}

.widget-icon-success {
  background: linear-gradient(135deg, var(--success-50), var(--success-light));
  color: var(--success-dark);
}

.widget-icon-warning {
  background: linear-gradient(135deg, var(--warning-50), var(--warning-light));
  color: var(--warning-dark);
}

.widget-icon-danger {
  background: linear-gradient(135deg, var(--danger-50), var(--danger-light));
  color: var(--danger-dark);
}

.widget-icon-info {
  background: linear-gradient(135deg, var(--info-50), var(--info-light));
  color: var(--info-dark);
}

.widget-flat h3 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.375rem;
  line-height: 1;
}

.widget-flat p {
  color: var(--text-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  margin-bottom: 0;
}

/* ============================================
   3. 資料表格
   ============================================ */
.table-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.table-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.table-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.table-card-title i {
  color: var(--primary);
}

.table-card-body {
  padding: 0;
}

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

/* ============================================
   4. 篩選器區域
   ============================================ */
.filter-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.filter-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.filter-card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-card-title i {
  color: var(--primary);
}

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

.filter-group {
  flex: 1;
  min-width: 180px;
}

.filter-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.375rem;
}

.filter-actions {
  display: flex;
  gap: 0.5rem;
  padding-top: 0.5rem;
}

/* 舊版相容 */
.filter-box {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.filter-box .filter-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-box .filter-title i {
  color: var(--primary);
}

/* ============================================
   5. 操作按鈕組
   ============================================ */
.action-buttons {
  display: flex;
  gap: 0.375rem;
  flex-wrap: wrap;
}

.action-buttons .btn {
  padding: 0.375rem 0.625rem;
  font-size: 0.8125rem;
}

.btn-action {
  width: 32px;
  height: 32px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.btn-action.btn-view {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: none;
}

.btn-action.btn-view:hover {
  background: var(--gray-200);
  color: var(--text-primary);
}

.btn-action.btn-edit {
  background: var(--primary-100);
  color: var(--primary);
  border: none;
}

.btn-action.btn-edit:hover {
  background: var(--primary);
  color: #ffffff;
}

.btn-action.btn-delete {
  background: var(--danger-light);
  color: var(--danger);
  border: none;
}

.btn-action.btn-delete:hover {
  background: var(--danger);
  color: #ffffff;
}

/* ============================================
   6. 狀態標籤
   ============================================ */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.status-badge.success {
  background: var(--success-light);
  color: #15803d;
}

.status-badge.warning {
  background: var(--warning-light);
  color: #b45309;
}

.status-badge.danger {
  background: var(--danger-light);
  color: #b91c1c;
}

.status-badge.info {
  background: var(--info-light);
  color: #0e7490;
}

.status-badge.secondary {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

/* ============================================
   7. 圖表容器
   ============================================ */
.chart-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  height: 100%;
}

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

.chart-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chart-card-title i {
  color: var(--primary);
}

.chart-period {
  display: flex;
  gap: 0.375rem;
}

.chart-period-btn {
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

.chart-period-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.chart-period-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

/* 舊版相容 */
.chart-container {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  height: 100%;
}

/* ============================================
   8. 快速操作面板
   ============================================ */
.quick-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
}

.quick-action-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1rem;
  text-align: center;
  transition: var(--transition-base);
  cursor: pointer;
  text-decoration: none;
}

.quick-action-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  text-decoration: none;
  border-color: var(--primary);
}

.quick-action-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin: 0 auto 0.75rem;
}

.quick-action-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 0;
}

/* ============================================
   9. 活動時間軸
   ============================================ */
.timeline-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
}

.timeline-item {
  display: flex;
  gap: 1rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--border-light);
}

.timeline-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.timeline-item:first-child {
  padding-top: 0;
}

.timeline-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.timeline-content {
  flex: 1;
  min-width: 0;
}

.timeline-title {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.timeline-text {
  color: var(--text-secondary);
  font-size: 0.8125rem;
  margin-bottom: 0.25rem;
}

.timeline-time {
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* 舊版相容 */
.activity-timeline {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
}

/* ============================================
   10. 空狀態
   ============================================ */
.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  background: var(--bg-tertiary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--text-muted);
}

.empty-state-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.empty-state-text {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.empty-state-action {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* ============================================
   11. 載入狀態
   ============================================ */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  color: var(--text-muted);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 1rem;
}

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

.loading-text {
  font-size: 0.875rem;
}

/* ============================================
   12. 響應式設計
   ============================================ */
@media (max-width: 992px) {
  .stat-card,
  .widget-flat {
    margin-bottom: 1rem;
  }

  .filter-row {
    flex-direction: column;
  }

  .filter-group {
    width: 100%;
  }

  .quick-actions {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .page-title {
    font-size: 1.25rem;
  }

  .stat-card-value,
  .widget-flat h3 {
    font-size: 1.5rem;
  }

  .stat-card,
  .widget-flat,
  .filter-card,
  .filter-box,
  .table-card,
  .chart-card {
    padding: 1rem;
  }

  .quick-actions {
    grid-template-columns: 1fr;
  }

  .table-card-header,
  .filter-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
}

/* ============================================
   13. 進度列
   ============================================ */
.progress {
  height: 0.5rem;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  overflow: hidden;
}

.progress-bar {
  border-radius: var(--radius-sm);
  transition: width 0.3s ease;
}

.progress-bar.bg-primary {
  background: var(--primary) !important;
}

.progress-bar.bg-success {
  background: var(--success) !important;
}

.progress-bar.bg-warning {
  background: var(--warning) !important;
}

.progress-bar.bg-danger {
  background: var(--danger) !important;
}

/* ============================================
   14. 列表群組
   ============================================ */
.list-group-flush .list-group-item {
  border-left: 0;
  border-right: 0;
  border-radius: 0;
  padding: 0.875rem 0;
  background: transparent;
}

.list-group-flush .list-group-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.list-group-flush .list-group-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}