.project-timeline-container {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border-radius: 8px;
  overflow: hidden;
}

// 顶部筛选栏
.timeline-header {
  padding: 16px;
  background: #f9fafb;
  border-bottom: 1px solid #e5e7eb;
}

.filter-section {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;

  label {
    font-size: 14px;
    font-weight: 500;
    color: #374151;
    white-space: nowrap;
  }
}

.filter-select {
  padding: 6px 12px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 14px;
  background: #ffffff;
  cursor: pointer;
  transition: all 0.2s;

  &:hover {
    border-color: #9ca3af;
  }

  &:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  }
}

.quick-filters {
  margin-left: auto;
}

.filter-btn {
  padding: 6px 12px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  background: #ffffff;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;

  &:hover {
    background: #f3f4f6;
  }

  &.active {
    background: #3b82f6;
    color: #ffffff;
    border-color: #3b82f6;
  }
}

.view-controls,
.sort-controls,
.time-scale-controls {
  border-left: 1px solid #e5e7eb;
  padding-left: 16px;
}

.view-btn,
.sort-btn,
.scale-btn,
.refresh-btn {
  padding: 6px 12px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  background: #ffffff;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;

  &:hover {
    background: #f3f4f6;
  }

  &.active {
    background: #3b82f6;
    color: #ffffff;
    border-color: #3b82f6;
  }
}

// 时间尺度切换按钮特殊样式
.time-scale-controls {
  .scale-btn.active {
    background: #10b981;
    border-color: #10b981;
    font-weight: 600;
  }
}

// 🆕 刷新按钮特殊样式
.refresh-btn {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #ffffff;
  border: none;
  font-weight: 600;
  
  &:hover {
    background: linear-gradient(135deg, #5568d3 0%, #63408b 100%);
    transform: scale(1.05);
  }
  
  &:active {
    animation: refresh-spin 0.6s ease-in-out;
  }
}

@keyframes refresh-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

// 设计师统计面板
.designer-stats-panel {
  margin-top: 12px;
  padding: 12px 16px;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
}

.stats-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;

  h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: #111827;
  }
}

.workload-badge {
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 500;

  &.level-low {
    background: #d1fae5;
    color: #065f46;
  }

  &.level-medium {
    background: #fef3c7;
    color: #92400e;
  }

  &.level-high {
    background: #fee2e2;
    color: #991b1b;
  }
}

.stats-body {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  padding: 8px;
  background: #f9fafb;
  border-radius: 4px;
}

.stat-label {
  font-size: 12px;
  color: #6b7280;
  margin-bottom: 4px;
}

.stat-value {
  font-size: 18px;
  font-weight: 600;
  color: #111827;

  &.urgent {
    color: #ea580c;
  }

  &.overdue {
    color: #dc2626;
  }
}

// 时间轴主体
.timeline-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

// 列表视图
.projects-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.project-item {
  position: relative;
  display: flex;
  padding: 16px;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;

  &:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
  }

  &.status-overdue {
    border-left-width: 4px;
    border-left-color: #dc2626;
  }

  &.status-urgent {
    border-left-width: 4px;
    border-left-color: #ea580c;
  }

  &.status-warning {
    border-left-width: 4px;
    border-left-color: #f59e0b;
  }
}

.priority-bar {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  border-radius: 8px 0 0 8px;

  &.priority-critical {
    background: linear-gradient(180deg, #dc2626 0%, #991b1b 100%);
  }

  &.priority-high {
    background: linear-gradient(180deg, #ea580c 0%, #c2410c 100%);
  }

  &.priority-medium {
    background: linear-gradient(180deg, #f59e0b 0%, #d97706 100%);
  }

  &.priority-low {
    background: linear-gradient(180deg, #10b981 0%, #059669 100%);
  }
}

.project-content {
  flex: 1;
  padding-left: 8px;
}

.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.project-name {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: #111827;
}

.project-badges {
  display: flex;
  gap: 8px;
}

.badge {
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;

  &.badge-stalled {
    background: #f3f4f6;
    color: #6b7280;
  }

  &.badge-urgent {
    background: #fee2e2;
    color: #991b1b;
  }

  &.badge-overdue {
    background: #fecaca;
    color: #7f1d1d;
  }

  &.badge-warning {
    background: #fed7aa;
    color: #9a3412;
  }
  
  // 🆕 空间与交付物统计徽章（列表视图）
  &.badge-deliverable {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    cursor: help;
    transition: transform 0.2s, box-shadow 0.2s;
    
    &:hover {
      transform: scale(1.05);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    }
  }
}

.project-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.meta-item {
  display: flex;
  gap: 4px;
  font-size: 13px;
}

.meta-label {
  color: #6b7280;
}

.meta-value {
  color: #374151;
  font-weight: 500;

  &.text-danger {
    color: #dc2626;
  }
}

// 空状态
.empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;

  p {
    margin: 0;
    font-size: 15px;
    color: #9ca3af;
  }
}

// 时间轴视图容器
.timeline-view-container {
  position: relative;
  width: 100%;
  min-height: 400px;
}

// 图例说明
.timeline-legend {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  padding: 12px 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 8px 8px 0 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.legend-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-size: 16px;
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  
  &.start-icon {
    background: #10b981;
  }
  
  &.review-icon {
    background: #8b5cf6;
  }
  
  &.delivery-icon {
    background: #f59e0b;
    border-radius: 4px;
    transform: rotate(45deg);
  }
}

.legend-bar-demo {
  width: 40px;
  height: 12px;
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

// 🆕 四种紧急度颜色图例
.legend-bar-green {
  background: linear-gradient(135deg, #86EFAC 0%, #4ADE80 100%);
}

.legend-bar-yellow {
  background: linear-gradient(135deg, #FEF08A 0%, #EAB308 100%);
}

.legend-bar-orange {
  background: linear-gradient(135deg, #FCD34D 0%, #F59E0B 100%);
}

.legend-bar-red {
  background: linear-gradient(135deg, #FCA5A5 0%, #EF4444 100%);
}

.legend-label {
  font-size: 13px;
  font-weight: 500;
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

// 🆕 图例注释样式
.legend-note {
  margin-left: auto;
  padding-left: 16px;
  border-left: 1px solid rgba(255, 255, 255, 0.3);
  
  .legend-label {
    font-size: 12px;
    font-weight: 600;
    color: #fef3c7;
    opacity: 0.95;
  }
}

// 时间刻度尺
.timeline-ruler {
  display: flex;
  position: sticky;
  top: 0;
  z-index: 10;
  background: #ffffff;
  border-bottom: 2px solid #e5e7eb;
  padding: 8px 0;
}

.ruler-header {
  width: 180px;
  min-width: 180px;
  padding: 12px 12px;
  font-weight: 600;
  font-size: 14px;
  color: #111827;
  border-right: 2px solid #e5e7eb;
  background: #f9fafb;
}

.ruler-ticks {
  flex: 1;
  display: flex;
  position: relative;
}

.ruler-tick {
  flex: 1;
  text-align: center;
  border-right: 1px solid #e5e7eb;
  padding: 8px 4px;
  display: flex;
  flex-direction: column;
  gap: 2px;

  &:last-child {
    border-right: none;
  }
  
  &.first {
    border-left: 2px solid #3b82f6;
  }
}

.tick-date {
  font-size: 14px;
  color: #111827;
  font-weight: 600;
  line-height: 1.2;
}

.tick-weekday {
  font-size: 11px;
  color: #6b7280;
  font-weight: 500;
  line-height: 1.2;
}

// 🆕 今日标记线（实时移动，精确到分钟）- 重构版
.today-line {
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 10;
  pointer-events: none;
  left: 0; // 通过 [style.left] 动态设置
}

// 🆕 今日时间标签（顶部显示完整时间）
.today-label {
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  padding: 8px 16px;
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  border-radius: 8px;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(239, 68, 68, 0.5);
  letter-spacing: 0.5px;
  animation: today-label-pulse 2s ease-in-out infinite;
  
  // 小三角箭头
  &::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid #dc2626;
  }
}

// 🆕 顶部圆点指示器（更大更明显）
.today-dot {
  position: absolute;
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: #ef4444;
  border-radius: 50%;
  border: 3px solid #ffffff;
  box-shadow: 0 0 0 2px #ef4444, 0 4px 12px rgba(239, 68, 68, 0.6);
  animation: today-dot-pulse 1.5s ease-in-out infinite;
}

// 🆕 主竖线条（更宽更明显）
.today-bar {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  background: linear-gradient(180deg, 
    rgba(239, 68, 68, 0.95) 0%, 
    rgba(239, 68, 68, 0.85) 50%,
    rgba(239, 68, 68, 0.95) 100%
  );
  box-shadow: 
    0 0 8px rgba(239, 68, 68, 0.6),
    0 0 16px rgba(239, 68, 68, 0.4);
  animation: today-bar-pulse 2s ease-in-out infinite;
}

// 🆕 时间标签脉动动画
@keyframes today-label-pulse {
  0%, 100% {
    transform: translateX(-50%) scale(1);
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.5);
  }
  50% {
    transform: translateX(-50%) scale(1.05);
    box-shadow: 0 6px 24px rgba(239, 68, 68, 0.7);
  }
}

// 🆕 圆点脉动动画（更明显）
@keyframes today-dot-pulse {
  0%, 100% {
    transform: translateX(-50%) scale(1);
    box-shadow: 0 0 0 2px #ef4444, 0 4px 12px rgba(239, 68, 68, 0.6);
  }
  50% {
    transform: translateX(-50%) scale(1.4);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.5), 0 6px 20px rgba(239, 68, 68, 0.8);
  }
}

// 🆕 竖线脉动动画
@keyframes today-bar-pulse {
  0%, 100% {
    opacity: 1;
    box-shadow: 
      0 0 8px rgba(239, 68, 68, 0.6),
      0 0 16px rgba(239, 68, 68, 0.4);
  }
  50% {
    opacity: 0.9;
    box-shadow: 
      0 0 12px rgba(239, 68, 68, 0.8),
      0 0 24px rgba(239, 68, 68, 0.6);
  }
}

// 项目时间轴
.timeline-projects {
  position: relative;
  min-height: 300px;
}

.timeline-row {
  display: flex;
  border-bottom: 1px solid #f3f4f6;
  cursor: pointer;
  transition: background 0.2s;

  &:hover {
    background: #f9fafb;

    .project-bar {
      transform: scaleY(1.1);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }

    .event-marker {
      transform: scale(1.3);
    }
  }
}

// 项目标签区
.project-label {
  width: 180px;
  min-width: 180px;
  padding: 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-right: 2px solid #e5e7eb;
  background: #fafafa;
}

.project-name-label {
  font-size: 14px;
  font-weight: 500;
  color: #111827;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.designer-label {
  font-size: 12px;
  color: #6b7280;
}

.priority-badge {
  font-size: 16px;
  line-height: 1;
}

// 🆕 空间与交付物统计徽章
.space-deliverable-badge {
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 600;
  color: white;
  margin-left: 4px;
  white-space: nowrap;
  cursor: help;
  transition: transform 0.2s, box-shadow 0.2s;
  
  &:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  }
}

// 时间轴轨道
.timeline-track {
  flex: 1;
  position: relative;
  height: 70px;
  padding: 19px 0;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent calc(100% / 7 - 1px),
    #f3f4f6 calc(100% / 7 - 1px),
    #f3f4f6 calc(100% / 7)
  );
}

// 项目条形图
.project-bar {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  height: 32px;
  border-radius: 6px;
  transition: all 0.3s;
  overflow: hidden;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.12);
  border: 2px solid rgba(255, 255, 255, 0.5);
  opacity: 0.95;

  &.status-overdue {
    border: 3px solid #dc2626;
    animation: pulse 2s infinite;
    box-shadow: 0 0 15px rgba(220, 38, 38, 0.4);
  }
  
  &:hover {
    opacity: 1;
  }
}

// 进度填充
.progress-fill {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  background: linear-gradient(90deg, 
    rgba(0, 0, 0, 0.25) 0%, 
    rgba(0, 0, 0, 0.15) 100%
  );
  transition: width 0.3s;
  border-right: 2px solid rgba(255, 255, 255, 0.6);
}

// 事件标记
.event-marker {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #ffffff;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s;
  z-index: 10;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
  border: 2px solid rgba(255, 255, 255, 0.9);

  &.start {
    font-size: 16px;
    width: 24px;
    height: 24px;
  }

  &.review {
    font-size: 18px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
  }

  &.delivery {
    font-size: 22px;
    width: 30px;
    height: 30px;
    border-radius: 4px;
    transform: translateY(-50%) rotate(45deg);
    
    &:hover {
      transform: translateY(-50%) rotate(45deg) scale(1.3);
    }
  }

  &.blink {
    animation: blink 1s infinite;
  }

  &:hover {
    transform: translateY(-50%) scale(1.4);
    z-index: 20;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  }
}

// 动画
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes blink {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

// 响应式设计
@media (max-width: 768px) {
  .filter-section {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-group {
    width: 100%;

    &.quick-filters {
      margin-left: 0;
    }

    &.view-controls,
    &.sort-controls {
      border-left: none;
      border-top: 1px solid #e5e7eb;
      padding-left: 0;
      padding-top: 12px;
    }
  }

  .stats-body {
    grid-template-columns: 1fr;
  }

  .project-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .project-meta {
    flex-direction: column;
    gap: 8px;
  }
  
  // 时间轴视图响应式
  .timeline-legend {
    flex-wrap: wrap;
    gap: 12px;
    padding: 8px 12px;
  }
  
  .legend-item {
    gap: 6px;
  }
  
  .legend-label {
    font-size: 11px;
  }
  
  .ruler-header,
  .project-label {
    width: 100px;
    min-width: 100px;
    padding: 8px;
  }
  
  .project-name-label {
    font-size: 11px;
  }
  
  .designer-label {
    font-size: 10px;
  }
  
  .tick-date {
    font-size: 11px;
  }
  
  .tick-weekday {
    font-size: 9px;
  }
  
  .timeline-track {
    height: 50px;
    padding: 14px 0;
  }
  
  .project-bar {
    height: 22px;
  }
  
  .event-marker {
    width: 20px;
    height: 20px;
    font-size: 14px;
    
    &.start {
      width: 18px;
      height: 18px;
      font-size: 12px;
    }
    
    &.review {
      width: 19px;
      height: 19px;
      font-size: 13px;
    }
    
    &.delivery {
      width: 22px;
      height: 22px;
      font-size: 16px;
    }
  }
}