/* 全局样式 */
:root {
  --primary: #f59e0b;
  --primary-dark: #d97706;
  --secondary: #ef4444;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --sidebar-bg: #1f2937;
  --sidebar-hover: #374151;
  --sidebar-active: #374151;
  --content-bg: #f3f4f6;
  --card-bg: #ffffff;
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --border-color: #e5e7eb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  font-size: 14px;
  color: var(--text-primary);
  background: var(--content-bg);
}

/* 布局 */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 220px;
  background: var(--sidebar-bg);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
}

.sidebar-logo {
  padding: 20px 16px;
  border-bottom: 1px solid #374151;
}

.sidebar-logo .logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  margin-right: 8px;
  font-size: 16px;
}

.sidebar-logo .logo-text {
  font-size: 16px;
  font-weight: bold;
}

.sidebar-logo .logo-sub {
  font-size: 11px;
  color: #9ca3af;
  margin-top: 2px;
  margin-left: 40px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.nav-section {
  padding: 8px 20px;
  font-size: 11px;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: #d1d5db;
  cursor: pointer;
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: var(--sidebar-hover);
  color: #fff;
}

.nav-item.active {
  background: var(--sidebar-active);
  color: #fff;
  border-left-color: var(--primary);
}

.nav-item .nav-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
}

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid #374151;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-footer .avatar {
  width: 32px;
  height: 32px;
  background: #4b5563;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
}

.sidebar-footer .user-info {
  flex: 1;
}

.sidebar-footer .user-name {
  font-size: 13px;
  color: #fff;
}

.sidebar-footer .user-status {
  font-size: 11px;
  color: #10b981;
}

/* 主内容区 */
.main-content {
  flex: 1;
  margin-left: 220px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.top-bar {
  height: 56px;
  background: #fff;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.top-bar .page-title {
  font-size: 16px;
  font-weight: 600;
}

.top-bar .top-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.content-body {
  flex: 1;
  padding: 20px;
}

/* 卡片 */
.card {
  background: var(--card-bg);
  border-radius: 10px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  padding: 16px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
}

/* 数据卡片 */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  background: #fff;
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.stat-card .stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.stat-card .stat-value {
  font-size: 24px;
  font-weight: bold;
  color: var(--text-primary);
}

.stat-card .stat-desc {
  font-size: 12px;
  margin-top: 4px;
}

.stat-card .stat-desc.up { color: var(--success); }
.stat-card .stat-desc.down { color: var(--danger); }
.stat-card .stat-desc.muted { color: var(--text-muted); }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}

.btn-secondary {
  background: #fff;
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: #f9fafb;
  border-color: #d1d5db;
}

.btn-success {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.btn-block {
  width: 100%;
}

/* 表单 */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 7px 12px;
  font-size: 13px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  outline: none;
  transition: all 0.2s;
  background: #fff;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* 表格 */
.table-wrap {
  overflow-x: auto;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

table.data-table th {
  text-align: left;
  padding: 10px 12px;
  background: #f9fafb;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

table.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid #f3f4f6;
}

table.data-table tr:hover td {
  background: #f9fafb;
}

/* 状态标签 */
.status-tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px;
  border-radius: 12px;
  font-weight: 500;
}

.status-pending { background: #fef3c7; color: #92400e; }
.status-shipped { background: #dbeafe; color: #1e40af; }
.status-completed { background: #d1fae5; color: #065f46; }
.status-refunded { background: #fee2e2; color: #991b1b; }
.status-active { background: #d1fae5; color: #065f46; }
.status-inactive { background: #f3f4f6; color: #6b7280; }

/* 操作链接 */
.action-link {
  color: var(--info);
  cursor: pointer;
  margin-right: 10px;
  font-size: 13px;
  text-decoration: none;
}

.action-link:hover {
  text-decoration: underline;
}

.action-link.danger {
  color: var(--danger);
}

/* 利润颜色 */
.profit-positive {
  color: var(--success);
  font-weight: 500;
}
.profit-negative {
  color: var(--danger);
  font-weight: 500;
}

/* 利润预览 */
.profit-preview {
  background: #f9fafb;
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 16px;
  border: 1px solid var(--border-color);
}
.profit-preview .profit-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.profit-preview .profit-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
  padding: 3px 0;
}
.profit-preview .profit-total {
  border-top: 1px dashed var(--border-color);
  margin-top: 6px;
  padding-top: 8px;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 13px;
}

/* 弹窗 */
.modal-mask {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal {
  background: #fff;
  border-radius: 12px;
  width: 90%;
  max-width: 520px;
  max-height: 85vh;
  overflow-y: auto;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
}

.modal-close {
  cursor: pointer;
  color: var(--text-muted);
  font-size: 20px;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* Toast */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
}

.toast {
  padding: 12px 20px;
  border-radius: 8px;
  color: #fff;
  font-size: 13px;
  margin-bottom: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  animation: slideIn 0.3s ease;
}

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.warning { background: var(--warning); }
.toast.info { background: var(--info); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* 分页 */
.pagination {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 16px;
}

.pagination .page-btn {
  min-width: 32px;
  height: 32px;
  padding: 0 10px;
  border: 1px solid var(--border-color);
  background: #fff;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pagination .page-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.pagination .page-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.pagination .page-info {
  font-size: 13px;
  color: var(--text-secondary);
  margin-right: 10px;
}

/* 筛选栏 */
.filter-bar {
  background: #fff;
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 16px;
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.filter-bar .filter-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.filter-bar .filter-item label {
  font-size: 12px;
  color: var(--text-secondary);
}

.filter-bar .filter-item input,
.filter-bar .filter-item select {
  width: 150px;
  padding: 6px 10px;
  font-size: 13px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  outline: none;
}

.filter-bar .filter-actions {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

/* 订单详情页 */
.detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.detail-header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.detail-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.detail-title .order-no {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.detail-header-right {
  display: flex;
  gap: 10px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.detail-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* 信息列表 */
.info-list {
  display: flex;
  flex-direction: column;
}

.info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid #f3f4f6;
}

.info-item:last-child {
  border-bottom: none;
}

.info-label {
  font-size: 13px;
  color: var(--text-secondary);
}

.info-value {
  font-size: 13px;
  color: var(--text-primary);
  font-weight: 500;
  text-align: right;
  max-width: 60%;
  word-break: break-all;
}

.info-value.text-primary {
  color: var(--primary);
  font-size: 16px;
  font-weight: 600;
}

/* 利润总计 */
.profit-total {
  padding-top: 14px;
  margin-top: 4px;
  border-top: 1px dashed var(--border-color);
  border-bottom: none;
}

.profit-total .info-label {
  font-weight: 600;
  color: var(--text-primary);
}

.profit-total .info-value {
  font-size: 18px;
  font-weight: bold;
  color: var(--success);
}

.profit-total .info-value.negative {
  color: var(--danger);
}

/* 备注 */
.remark-content {
  font-size: 13px;
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 40px;
  white-space: pre-wrap;
  word-break: break-all;
}

.remark-content:empty::before {
  content: '暂无备注';
  color: var(--text-muted);
}

/* 空状态提示 */
.empty-tip {
  text-align: center;
  padding: 30px 0;
  color: var(--text-muted);
  font-size: 13px;
}

/* ========== 数据看板 ========== */

/* 顶部筛选栏 */
.dashboard-filter {
  background: #fff;
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.dashboard-filter .filter-label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

.range-btn-group {
  display: flex;
  background: #f3f4f6;
  border-radius: 6px;
  padding: 2px;
}

.range-btn {
  padding: 6px 16px;
  font-size: 13px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 5px;
  transition: all 0.2s;
  font-weight: 500;
}

.range-btn:hover {
  color: var(--text-primary);
}

.range-btn.active {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 1px 2px rgba(0,0,0,0.06);
}

/* 看板行布局 */
.dashboard-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.trend-card,
.top-products-card {
  min-height: 320px;
  display: flex;
  flex-direction: column;
}

.activities-card {
  margin-bottom: 20px;
}

/* 趋势图图例 */
.trend-legend {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--text-secondary);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  display: inline-block;
}

.legend-sales {
  background: var(--primary);
}

.legend-orders {
  background: var(--info);
}

/* 柱状图容器 */
.chart-container {
  flex: 1;
  position: relative;
  padding-left: 60px;
  padding-bottom: 30px;
  min-height: 240px;
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  height: 100%;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
  border-left: 1px solid var(--border-color);
  padding: 0 8px;
  min-height: 200px;
}

.chart-bar-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
  position: relative;
  cursor: pointer;
}

.chart-bar-group:hover .chart-bar {
  opacity: 0.8;
}

.chart-bar {
  width: 16px;
  border-radius: 3px 3px 0 0;
  transition: all 0.2s;
  min-height: 2px;
}

.chart-bar.sales-bar {
  background: linear-gradient(180deg, #f59e0b, #d97706);
  margin-bottom: 2px;
}

.chart-bar.orders-bar {
  background: linear-gradient(180deg, #3b82f6, #2563eb);
}

.chart-bar-label {
  position: absolute;
  bottom: -24px;
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
}

.chart-y-axis {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 30px;
  width: 55px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-right: 5px;
  font-size: 11px;
  color: var(--text-muted);
  text-align: right;
}

/* 热销商品列表 */
.top-products-list {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid #f3f4f6;
}

.product-item:last-child {
  border-bottom: none;
}

.medal {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: bold;
  color: #fff;
  flex-shrink: 0;
}

.medal-1 {
  background: linear-gradient(135deg, #fbbf24, #d97706);
  box-shadow: 0 2px 4px rgba(217, 119, 6, 0.3);
}

.medal-2 {
  background: linear-gradient(135deg, #9ca3af, #6b7280);
  box-shadow: 0 2px 4px rgba(107, 114, 128, 0.3);
}

.medal-3 {
  background: linear-gradient(135deg, #cd7f32, #a0522d);
  box-shadow: 0 2px 4px rgba(160, 82, 45, 0.3);
}

.rank-num {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  flex-shrink: 0;
}

.product-info {
  flex: 1;
  min-width: 0;
}

.product-name {
  font-size: 13px;
  color: var(--text-primary);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 4px;
}

.product-stats {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
}

.product-amount {
  color: var(--primary);
  font-weight: 500;
}

/* 活动卡片列表 */
.activities-list {
  min-height: 100px;
}

.activity-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

.activity-card {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 14px;
  transition: all 0.2s;
}

.activity-card:hover {
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.1);
}

.activity-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  gap: 10px;
}

.activity-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.activity-type-tag {
  font-size: 11px;
  padding: 2px 8px;
  background: #fef3c7;
  color: #92400e;
  border-radius: 10px;
  flex-shrink: 0;
}

.activity-card-body {
  margin-bottom: 12px;
}

.activity-time {
  font-size: 12px;
  color: var(--text-secondary);
}

.activity-time-label {
  color: var(--text-muted);
}

.activity-card-footer {
  display: flex;
  justify-content: flex-end;
}

/* 响应式 */
@media (max-width: 768px) {
  .dashboard-row {
    grid-template-columns: 1fr;
  }

  .range-btn-group {
    flex-wrap: wrap;
  }

  .range-btn {
    flex: 1;
    text-align: center;
    padding: 6px 8px;
  }

  .activity-cards {
    grid-template-columns: 1fr;
  }

  .chart-container {
    padding-left: 45px;
  }

  .chart-y-axis {
    width: 40px;
    font-size: 10px;
  }

  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s;
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-content {
    margin-left: 0;
  }
  .stat-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .detail-grid {
    grid-template-columns: 1fr;
  }
  .detail-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .detail-header-right {
    width: 100%;
    flex-wrap: wrap;
  }
}