/* 表格容器 */
.table-container {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  height: calc(100% - 24px); /* 距离底部保持24px的间距 */
  margin-bottom: 24px; /* 底部间距 */
  display: flex;
  flex-direction: column;
}

/* 工具栏 */
.table-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  background: #f5f5f5;
  border-bottom: 1px solid #e8e8e8;
  flex-shrink: 0; /* 工具栏不压缩，保持固定高度 */
}

.selected-info {
  color: #666;
  font-size: 14px;
}

.bulk-actions {
  display: flex;
  gap: 8px;
}

/* 表格主体 - 虚拟滚动布局 */
.table-wrapper {
  display: flex;
  flex-direction: column;
  flex: 1; /* 占满剩余空间 */
  height: 100%; /* 占满父容器高度 */
  min-height: 200px; /* 最小高度，避免过小 */
  overflow: hidden; /* 防止溢出 */
}

/* 固定表头容器 */
.table-header-wrapper {
  flex-shrink: 0;
  border-bottom: 1px solid #e8e8e8;
  background: #fafafa;
  overflow: hidden;
}

.table-header-row {
  display: flex;
  align-items: center;
}

.table-header-cell {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-right: 1px solid #e8e8e8;
  font-weight: 600;
  color: #333;
  background: #fafafa;
}

.table-header-cell:last-child {
  border-right: none;
}

.table-header-cell.sortable {
  cursor: pointer;
  user-select: none;
}

/* 虚拟滚动内容区域 */
.table-body-wrapper {
  flex: 1;
  overflow: hidden;
  background: #fff;
  min-height: 0; /* 重要：允许flex子项收缩 */
}

/* 虚拟行样式 */
.virtual-row {
  display: flex;
  align-items: center;
  border-bottom: 1px solid #e8e8e8;
  background: #fff;
  transition: background-color 0.2s;
}

.virtual-row:hover {
  background: #f5f5f5;
}

.table-cell {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-right: 1px solid #e8e8e8;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.table-cell:last-child {
  border-right: none;
}

/* 表头 */
.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sortable {
  cursor: pointer;
  user-select: none;
}

.sort-indicators {
  display: flex;
  flex-direction: column;
  margin-left: 8px;
}

.sort-arrow {
  font-size: 10px;
  line-height: 1;
  color: #ccc;
  cursor: pointer;
  transition: color 0.2s;
}

.sort-arrow.active {
  color: #1890ff;
}

.sort-up {
  margin-bottom: 2px;
}

/* 选择列 */
.selection-column {
  width: 48px;
  text-align: center;
}

.selection-column input[type="checkbox"] {
  cursor: pointer;
}

/* 操作列 */
.actions-column {
  width: auto;
  min-width: 120px;
  text-align: right;
  padding: 8px 16px;
}

.action-buttons {
  position: relative;
  display: flex;
  gap: 6px;
  justify-content: flex-end;
  align-items: center;
  flex-wrap: wrap;
}

/* 按钮样式 */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 8px 12px;
  min-width: 32px;
  height: 32px;
  border: 1px solid #d9d9d9;
  border-radius: 6px;
  background: #fff;
  color: #333;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  user-select: none;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  outline: none;
}

.btn:hover:not(:disabled) {
  border-color: #40a9ff;
  color: #40a9ff;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px 0 rgba(64, 169, 255, 0.15);
}

.btn:focus:not(:disabled) {
  border-color: #40a9ff;
  box-shadow: 0 0 0 2px rgba(64, 169, 255, 0.2);
}

.btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.1);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05) !important;
}

.btn-primary {
  background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
  border-color: #1890ff;
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #40a9ff 0%, #1890ff 100%);
  border-color: #40a9ff;
  color: #fff;
  box-shadow: 0 4px 12px 0 rgba(24, 144, 255, 0.3);
}

.btn-primary:focus:not(:disabled) {
  box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.3);
}

.btn-danger {
  background: linear-gradient(135deg, #ff4d4f 0%, #f5222d 100%);
  border-color: #ff4d4f;
  color: #fff;
}

.btn-danger:hover:not(:disabled) {
  background: linear-gradient(135deg, #ff7875 0%, #ff4d4f 100%);
  border-color: #ff7875;
  color: #fff;
  box-shadow: 0 4px 12px 0 rgba(255, 77, 79, 0.3);
}

.btn-danger:focus:not(:disabled) {
  box-shadow: 0 0 0 2px rgba(255, 77, 79, 0.3);
}

.btn-success {
  background: linear-gradient(135deg, #52c41a 0%, #389e0d 100%);
  border-color: #52c41a;
  color: #fff;
}

.btn-success:hover:not(:disabled) {
  background: linear-gradient(135deg, #73d13d 0%, #52c41a 100%);
  border-color: #73d13d;
  color: #fff;
  box-shadow: 0 4px 12px 0 rgba(82, 196, 26, 0.3);
}

.btn-success:focus:not(:disabled) {
  box-shadow: 0 0 0 2px rgba(82, 196, 26, 0.3);
}

.btn-warning {
  background: linear-gradient(135deg, #faad14 0%, #d48806 100%);
  border-color: #faad14;
  color: #fff;
}

.btn-warning:hover:not(:disabled) {
  background: linear-gradient(135deg, #ffc53d 0%, #faad14 100%);
  border-color: #ffc53d;
  color: #fff;
  box-shadow: 0 4px 12px 0 rgba(250, 173, 20, 0.3);
}

.btn-warning:focus:not(:disabled) {
  box-shadow: 0 0 0 2px rgba(250, 173, 20, 0.3);
}

.btn-icon {
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Tooltip 样式 */
.tooltip {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-bottom: 8px;
  padding: 6px 10px;
  background: rgba(0, 0, 0, 0.85);
  color: #fff;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.4;
  border-radius: 4px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: rgba(0, 0, 0, 0.85);
}

.btn:hover .tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-4px);
}

/* 确保tooltip在不同位置的按钮中都能正确显示 */
.action-buttons {
  position: relative;
}

/* 按钮尺寸变体 */
.btn-small {
  padding: 4px 8px;
  min-width: 24px;
  height: 24px;
  font-size: 11px;
}

.btn-small .btn-icon {
  font-size: 12px;
}

.btn-medium {
  padding: 8px 12px;
  min-width: 32px;
  height: 32px;
  font-size: 12px;
}

.btn-medium .btn-icon {
  font-size: 14px;
}

.btn-large {
  padding: 12px 16px;
  min-width: 40px;
  height: 40px;
  font-size: 14px;
}

.btn-large .btn-icon {
  font-size: 16px;
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 64px 16px;
  color: #999;
}

.empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

/* 加载状态 */
.table-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 16px;
  color: #666;
}

.loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid #f0f0f0;
  border-top: 3px solid #1890ff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 16px;
}

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

/* 响应式 */
@media (max-width: 768px) {
  .table-toolbar {
    flex-direction: column;
    gap: 12px;
    align-items: stretch;
  }
  
  .bulk-actions {
    justify-content: flex-end;
  }
  
  .table-wrapper {
    min-height: 300px; /* 移动端最小高度，仍然使用flex: 1占满剩余空间 */
  }
  
  .action-buttons {
    flex-direction: row;
    gap: 4px;
    justify-content: flex-end;
  }
  
  .actions-column {
    min-width: 80px;
    padding: 6px 12px;
  }
  
  .btn {
    font-size: 11px;
    padding: 6px 10px;
    min-width: 28px;
    height: 28px;
  }
  
  .btn-icon {
    font-size: 12px;
  }
  
  /* 移动端tooltip调整 */
  .tooltip {
    font-size: 11px;
    padding: 4px 8px;
    margin-bottom: 6px;
  }
  
  .tooltip::after {
    border-width: 3px;
  }
  
  /* 移动端按钮尺寸调整 */
  .btn-small {
    padding: 3px 6px;
    min-width: 20px;
    height: 20px;
    font-size: 10px;
  }
  
  .btn-medium {
    padding: 6px 10px;
    min-width: 28px;
    height: 28px;
    font-size: 11px;
  }
  
  .btn-large {
    padding: 8px 12px;
    min-width: 32px;
    height: 32px;
    font-size: 12px;
  }
}