/* 多实例标签页布局 */
:host {
  display: block;
  width: 100vw;
  height: 100vh;
  background-color: #f5f5f5;
}

/* 应用容器 */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* 顶部导航栏 */
.app-header {
  background: white;
  border-bottom: 1px solid #e0e0e0;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
  flex-shrink: 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  z-index: 10;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  color: #3b82f6;
  font-size: 28px;
  height: 28px;
  width: 28px;
}

.logo-text {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: #1f2937;
}

.menu-nav {
  display: flex;
  gap: 8px;
}

.menu-button {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  transition: all 0.2s;
  
  mat-icon {
    font-size: 18px;
    height: 18px;
    width: 18px;
  }
  
  span {
    font-size: 14px;
    font-weight: 500;
  }
  
  &:hover {
    background-color: #f3f4f6;
  }
  
  &.active {
    background-color: #3b82f6;
    color: white;
    
    mat-icon {
      color: white;
    }
    
    &:hover {
      background-color: #2563eb;
    }
  }
}

.header-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 6px;
  background: #f8f9fa;
  
  mat-icon {
    font-size: 18px;
    height: 18px;
    width: 18px;
    
    &.connected {
      color: #10b981;
    }
    
    &.disconnected {
      color: #ef4444;
    }
  }
  
  .status-text {
    font-size: 12px;
    color: #6b7280;
  }
}

 .user-info {
   display: flex;
   align-items: center;
   gap: 10px;
   
   .new-project-btn {
     margin-right: 8px;
     
     mat-icon {
       color: #3b82f6;
       transition: color 0.2s;
     }
     
     &:hover mat-icon {
       color: #2563eb;
     }
   }
   
   .username {
     font-size: 14px;
     color: #4b5563;
     font-weight: 500;
   }
   
   mat-icon {
     color: #6b7280;
   }
 }

/* 主内容区域 */
.app-main {
  flex: 1;
  overflow: hidden;
  background: white;
  position: relative;
}

/* 加载状态 */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 16px;
  
  p {
    margin: 0;
    color: #6b7280;
    font-size: 14px;
  }
}

/* 活动实例容器 */
.active-instance-container {
  height: 100%;
  overflow: hidden;
}

/* 空状态 */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 40px;
  text-align: center;
  color: #9ca3af;
  
  .empty-icon {
    font-size: 64px;
    height: 64px;
    width: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
  }
  
  h3 {
    margin: 0 0 8px 0;
    font-size: 18px;
    font-weight: 600;
    color: #4b5563;
  }
  
  p {
    margin: 0;
    font-size: 14px;
  }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .app-header {
    padding: 0 12px;
    height: 56px;
  }
  
  .header-left {
    gap: 16px;
  }
  
  .logo-text {
    display: none;
  }
  
  .menu-button span {
    display: none;
  }
  
  .menu-nav {
    gap: 4px;
  }
  
  .menu-button {
    padding: 8px;
    min-width: auto;
  }
  
  .status-indicator .status-text {
    display: none;
  }
  
  .user-info .username {
    display: none;
  }
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

/* 标签页导航 */
.tabs-nav {
  display: flex;
  gap: 4px;
  align-items: center;
  margin-left: 16px;
  overflow-x: auto;
  max-width: 600px;
  padding: 4px 0;
  
  &::-webkit-scrollbar {
    height: 4px;
  }
  
  &::-webkit-scrollbar-thumb {
    background: #d1d5db;
  }
}

.tab-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 6px;
  background: #f3f4f6;
  border: 1px solid #e5e7eb;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
  
  .tab-icon {
    font-size: 16px;
    height: 16px;
    width: 16px;
    color: #6b7280;
  }
  
  .tab-title {
    font-size: 13px;
    font-weight: 500;
    color: #4b5563;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .tab-close {
    width: 18px;
    height: 18px;
    line-height: 18px;
    margin-left: 2px;
    
    mat-icon {
      font-size: 14px;
      height: 14px;
      width: 14px;
      color: #9ca3af;
    }
    
    &:hover mat-icon {
      color: #ef4444;
    }
  }
  
  &:hover {
    background: #e5e7eb;
    border-color: #d1d5db;
  }
  
  &.active {
    background: #3b82f6;
    border-color: #3b82f6;
    
    .tab-icon,
    .tab-title {
      color: white;
    }
    
    .tab-close mat-icon {
      color: rgba(255, 255, 255, 0.8);
    }
    
    .tab-close:hover mat-icon {
      color: white;
    }
  }
  
  &.loading {
    cursor: wait;
    opacity: 0.7;
    background: #f0f9ff;
    border-color: #93c5fd;
    
    .tab-title {
      margin-right: 4px;
    }
    
    .tab-loading-spinner {
      margin-left: 4px;
      
      ::ng-deep .mat-progress-spinner circle, .mat-spinner circle {
        stroke: #3b82f6;
      }
    }
    
    .tab-close {
      display: none;
    }
  }
}