/* ========== CSS 变量 ========== */
:root {
  --color-primary: #4f46e5;
  --color-primary-light: #6366f1;
  --color-primary-dark: #4338ca;
  --color-primary-bg: #eef2ff;

  --color-profit: #dc2626;
  --color-profit-light: #ef4444;
  --color-profit-bg: #fef2f2;

  --color-loss: #16a34a;
  --color-loss-light: #22c55e;
  --color-loss-bg: #f0fdf4;

  --color-warning: #f59e0b;
  --color-warning-bg: #fffbeb;

  --color-info: #0ea5e9;
  --color-info-bg: #f0f9ff;

  --color-danger: #ef4444;

  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;

  --color-bg: #f1f5f9;
  --color-card-bg: #ffffff;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;

  --color-header-bg: #1e293b;
  --color-header-text: #f8fafc;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);

  --radius: 8px;
  --radius-sm: 4px;
  --radius-lg: 12px;

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* ========== 全局重置 ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
}

/* ========== 顶部导航栏 ========== */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  padding: 0 24px;
  background: var(--color-header-bg);
  color: var(--color-header-text);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 700;
}

.logo-icon {
  font-size: 22px;
}

.header-nav {
  display: flex;
  gap: 4px;
}

.nav-btn {
  padding: 8px 20px;
  border: none;
  background: transparent;
  color: rgba(248, 250, 252, 0.6);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.nav-btn:hover {
  background: rgba(255,255,255,0.1);
  color: var(--color-header-text);
}

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

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.store-filter {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1);
  color: var(--color-header-text);
  font-size: 13px;
  cursor: pointer;
  outline: none;
}

.store-filter option {
  color: var(--color-text);
}

/* ========== 主内容区 ========== */
.app-main {
  padding: 24px;
  max-width: 1600px;
  margin: 0 auto;
}

/* ========== 视图切换 ========== */
.view {
  display: none;
  animation: fadeIn 0.3s ease;
}

.view.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== 页面头部 ========== */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
}

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

/* ========== 日期选择 ========== */
.date-range-picker {
  display: flex;
  align-items: center;
  gap: 8px;
}

.date-input {
  padding: 6px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--color-text);
  outline: none;
  cursor: pointer;
}

.date-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-bg);
}

.date-sep {
  color: var(--color-text-muted);
  font-size: 13px;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

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

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.btn-outline:hover {
  background: var(--color-bg);
  border-color: var(--color-text-muted);
}

.btn-secondary {
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  background: #e2e8f0;
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}
.btn-danger:hover {
  background: #dc2626;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 13px;
}

.btn-lg {
  padding: 10px 24px;
  font-size: 15px;
}

/* ========== KPI 卡片 ========== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.kpi-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--color-primary);
  transition: transform 0.2s, box-shadow 0.2s;
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.kpi-card.kpi-revenue { border-left-color: var(--color-info); }
.kpi-card.kpi-cost { border-left-color: var(--color-warning); }
.kpi-card.kpi-profit { border-left-color: var(--color-profit); }
.kpi-card.kpi-orders { border-left-color: var(--color-primary); }

.kpi-label {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.kpi-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.kpi-card.kpi-profit .kpi-value {
  color: var(--color-profit);
}

.kpi-card.kpi-profit.loss .kpi-value {
  color: var(--color-loss);
}

.kpi-sub {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ========== 图表卡片 ========== */
.chart-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.chart-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow);
}

.chart-wide {
  grid-column: span 2;
}

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

.chart-header h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}

.chart-tabs {
  display: flex;
  gap: 4px;
}

.chart-tab-btn {
  padding: 4px 12px;
  border: 1px solid var(--color-border);
  background: transparent;
  border-radius: var(--radius-sm);
  font-size: 12px;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all 0.2s;
}

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

.chart-body {
  position: relative;
  height: 280px;
}

/* 售后原因圆环 */
.reason-cell {
  display: flex;
  align-items: center;
  gap: 14px;
}
.reason-donut {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.reason-donut-center {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-card-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
  line-height: 1.1;
}
.reason-legend-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
}
.reason-legend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--color-text-secondary);
}
.reason-legend i {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* ========== 数据录入表单 ========== */
.entry-container {
  max-width: 900px;
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
}

.form-section {
  margin-bottom: 20px;
}

.form-section-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border-light);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
}

.required {
  color: var(--color-danger);
}

.form-input {
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: var(--font-family);
}

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-bg);
}

.form-input.money {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.form-hint {
  font-size: 11px;
  color: var(--color-text-muted);
}

/* 实时计算预览 */
.calc-preview {
  background: var(--color-primary-bg);
  border-radius: var(--radius);
  padding: 16px;
  border: 1px dashed var(--color-primary-light);
}

.calc-preview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

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

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

.calc-value {
  font-size: 20px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
}

.calc-profit-item .calc-value {
  color: var(--color-profit);
}

.calc-profit-item.loss .calc-value {
  color: var(--color-loss);
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border-light);
}

/* ========== 筛选栏 ========== */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  background: var(--color-card-bg);
  padding: 12px 16px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.filter-group label {
  font-size: 13px;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.search-input {
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  width: 220px;
  outline: none;
}

.search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-bg);
}

/* ========== 数据表格 ========== */
.table-container {
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: auto;
  max-height: 70vh;
}

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

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-card-bg);
}

.data-table th {
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--color-text-secondary);
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.data-table th.sortable:hover {
  color: var(--color-primary);
}

.data-table th.sort-asc::after {
  content: " ↑";
  color: var(--color-primary);
}

.data-table th.sort-desc::after {
  content: " ↓";
  color: var(--color-primary);
}

.data-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-border-light);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.data-table tbody tr:hover {
  background: var(--color-primary-bg);
}

.data-table .text-right {
  text-align: right;
}

.data-table .text-profit {
  color: var(--color-profit);
  font-weight: 600;
}

.data-table .text-loss {
  color: var(--color-loss);
  font-weight: 600;
}

.data-table .text-muted {
  color: var(--color-text-muted);
}

/* 商品ID分析表冻结列（固定商品ID/名称） */
#productTable.freeze-cols th.freeze,
#productTable.freeze-cols td.freeze {
  position: sticky;
  background: var(--color-card-bg);
}
#productTable.freeze-cols .freeze-1 { left: 0; min-width: 52px; max-width: 52px; width: 52px; }
#productTable.freeze-cols .freeze-2 { left: 52px; min-width: 140px; max-width: 140px; width: 140px; }
#productTable.freeze-cols .freeze-3 {
  left: 192px; min-width: 200px; max-width: 200px; width: 200px;
  overflow: hidden; text-overflow: ellipsis;
  box-shadow: 2px 0 0 var(--color-border);
}
#productTable.freeze-cols tbody td.freeze { z-index: 5; }
#productTable.freeze-cols thead th.freeze { z-index: 15; }
#productTable.freeze-cols tbody tr:hover td.freeze { background: var(--color-card-bg); }

/* 冻结列开关 */
.freeze-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-text-secondary);
  cursor: pointer;
  user-select: none;
  margin-right: 12px;
  white-space: nowrap;
}
.freeze-toggle input {
  cursor: pointer;
  accent-color: var(--color-primary);
}

.data-table .action-btns {
  display: flex;
  gap: 4px;
}

.data-table .action-btn {
  padding: 3px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
  font-size: 12px;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all 0.2s;
}

.data-table .action-btn:hover {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  border-color: var(--color-primary-light);
}

.data-table .action-btn.btn-delete:hover {
  background: var(--color-profit-bg);
  color: var(--color-profit);
  border-color: var(--color-profit-light);
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-muted);
}

.empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

/* 表格底部 */
.table-footer {
  margin-top: 12px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* ========== 周报样式 ========== */
.weekly-range-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  padding: 4px 16px;
  background: var(--color-card-bg);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

/* ========== Toast 提示 ========== */
.toast-container {
  position: fixed;
  top: 70px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  font-size: 14px;
  font-weight: 500;
  animation: slideInRight 0.3s ease;
  max-width: 360px;
}

.toast.success {
  background: var(--color-loss);
  color: #fff;
}

.toast.error {
  background: var(--color-danger);
  color: #fff;
}

.toast.info {
  background: var(--color-info);
  color: #fff;
}

.toast.warning {
  background: var(--color-warning);
  color: #fff;
}

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

.toast.fade-out {
  animation: slideOutRight 0.3s ease forwards;
}

@keyframes slideOutRight {
  to { transform: translateX(120%); opacity: 0; }
}

/* ========== 模态框 ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 9998;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

.modal-box {
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  padding: 24px;
  max-width: 480px;
  width: 90%;
  box-shadow: var(--shadow-lg);
}

.modal-box.modal-large {
  max-width: 800px;
  max-height: 80vh;
  overflow: auto;
}

.modal-box h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.modal-box p {
  margin-bottom: 16px;
  color: var(--color-text-secondary);
}

.modal-info {
  padding: 8px 12px;
  background: var(--color-info-bg);
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}

.csv-preview-container {
  max-height: 400px;
  overflow: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.csv-preview-table {
  font-size: 12px;
}

/* ========== 响应式 ========== */
@media (max-width: 1200px) {
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .chart-grid {
    grid-template-columns: 1fr;
  }
  .chart-wide {
    grid-column: span 1;
  }
}

@media (max-width: 768px) {
  .app-header {
    flex-wrap: wrap;
    height: auto;
    padding: 8px 12px;
  }
  .header-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
  }
  .app-main {
    padding: 12px;
  }
  .kpi-grid {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .calc-preview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ========== 工具类 ========== */
.text-profit-color {
  color: var(--color-profit) !important;
}

.text-loss-color {
  color: var(--color-loss) !important;
}

.font-bold {
  font-weight: 700;
}

.text-center {
  text-align: center;
}

/* ========== 新增样式 ========== */
.logo-tag {
  font-size: 11px;
  font-weight: 400;
  padding: 2px 8px;
  background: rgba(99, 102, 241, 0.2);
  border-radius: 10px;
  color: #c7d2fe;
  margin-left: 4px;
}

.data-table th.text-right {
  text-align: right;
}

/* 利润表行高亮 */
.monthly-table-row-subtotal {
  font-weight: 600;
  background: var(--color-primary-bg);
}

.monthly-table-row-section {
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-bg);
}

.monthly-table-row-final {
  font-weight: 700;
  color: var(--color-profit);
  background: var(--color-profit-bg);
  font-size: 15px;
}

/* 商品排名表格高亮 */
.product-rank-1 { color: #dc2626; font-weight: 700; }
.product-rank-2 { color: #f97316; font-weight: 600; }
.product-rank-3 { color: #f59e0b; font-weight: 600; }

/* 表格内数字格式 */
.data-table .num-cell {
  font-variant-numeric: tabular-nums;
}

/* ==================== 源文件工作台 ==================== */
.header-status {
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 12px;
  background: rgba(255,255,255,0.1);
  color: #94a3b8;
}
.header-status.done {
  background: rgba(34,197,94,0.2);
  color: #4ade80;
}

.page-desc {
  font-size: 13px;
  color: var(--color-text-muted);
}

.upload-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.upload-card {
  background: var(--color-card-bg);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}
.upload-card:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-bg);
}
.upload-card.loaded {
  border-style: solid;
  border-color: var(--color-loss);
  background: var(--color-loss-bg);
}
.upload-card .uc-icon { font-size: 36px; margin-bottom: 8px; }
.upload-card .uc-label { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.upload-card .uc-desc { font-size: 11px; color: var(--color-text-muted); line-height: 1.4; margin-bottom: 8px; }
.upload-card .uc-status { font-size: 12px; font-weight: 500; }
.upload-card .uc-status.pending { color: var(--color-text-muted); }
.upload-card .uc-status.ok { color: var(--color-loss); }
.upload-card .uc-status.err { color: var(--color-danger); }
.upload-card .uc-file { font-size: 11px; color: var(--color-primary); word-break: break-all; margin-top: 4px; }
.upload-card .uc-clear {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 22px;
  height: 22px;
  line-height: 20px;
  border-radius: 50%;
  background: var(--color-border);
  color: var(--color-text-secondary);
  font-size: 15px;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  display: none;
  transition: all 0.15s;
}
.upload-card.loaded .uc-clear { display: block; }
.upload-card .uc-clear:hover {
  background: var(--color-danger);
  color: #fff;
}

.settings-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.input-with-suffix {
  display: flex;
  align-items: center;
  gap: 6px;
}
.input-suffix {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.preview-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow);
}

.preview-summary {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}
.preview-item {
  padding: 12px;
  border-radius: var(--radius);
  background: var(--color-bg);
  text-align: center;
}
.preview-item .pi-label { font-size: 12px; color: var(--color-text-secondary); margin-bottom: 4px; }
.preview-item .pi-value { font-size: 20px; font-weight: 700; }
.preview-item .pi-meta { font-size: 11px; color: var(--color-text-muted); margin-top: 2px; }

/* ==================== 质量核对 ==================== */
.quality-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.quality-item {
  padding: 12px;
  border-radius: var(--radius);
  background: var(--color-bg);
}
.quality-item .q-label { font-size: 12px; color: var(--color-text-secondary); margin-bottom: 6px; }
.quality-item .q-value { font-size: 16px; font-weight: 600; }
.quality-item .q-value.pass { color: var(--color-loss); }
.quality-item .q-value.fail { color: var(--color-danger); }
.quality-item .q-value.warn { color: var(--color-warning); }

/* ==================== 明细 Tab ==================== */
.detail-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.detail-tab {
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  background: var(--color-card-bg);
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all 0.2s;
}
.detail-tab.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* 明细筛选栏 */
.detail-filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.detail-search-input {
  flex: 1;
  min-width: 220px;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  background: var(--color-card-bg);
  color: var(--color-text);
}
.detail-search-input:focus {
  outline: none;
  border-color: var(--color-primary);
}
.detail-filter-select {
  min-width: 140px;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  background: var(--color-card-bg);
  color: var(--color-text);
  cursor: pointer;
}
.detail-filter-select:focus {
  outline: none;
  border-color: var(--color-primary);
}
.detail-filter-count {
  font-size: 12px;
  color: var(--color-text-muted);
  white-space: nowrap;
}
.detail-section-row td {
  font-size: 13px;
  padding: 8px 12px;
}

/* 利润优化建议 */
.opt-advice-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 4px;
}
.opt-advice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1.5;
  border-left: 3px solid var(--color-border);
  background: var(--color-bg);
}
.opt-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
  background: var(--color-text-muted);
}
.opt-good { border-left-color: #16a34a; }
.opt-good .opt-dot { background: #16a34a; }
.opt-warn { border-left-color: #f59e0b; }
.opt-warn .opt-dot { background: #f59e0b; }
.opt-danger { border-left-color: #dc2626; }
.opt-danger .opt-dot { background: #dc2626; }

/* 响应式 */
@media (max-width: 1200px) {
  .upload-grid { grid-template-columns: repeat(3, 1fr); }
  .settings-grid { grid-template-columns: repeat(2, 1fr); }
  .quality-grid { grid-template-columns: repeat(2, 1fr); }
  .preview-summary { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .upload-grid { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
  .quality-grid { grid-template-columns: 1fr; }
  .preview-summary { grid-template-columns: 1fr; }
}

/* ===== 阶段二：账号面板 店铺列表与配额 ===== */
.auth-store-head{font-size:12px;color:#64748b;margin:10px 0 4px}
.auth-store-list{max-height:140px;overflow-y:auto;margin-bottom:8px}
.auth-store-item{display:flex;align-items:center;justify-content:space-between;padding:6px 8px;border:1px solid #e2e8f0;border-radius:6px;margin-bottom:4px;font-size:13px}
.auth-store-item .store-name{font-weight:600}
.auth-store-item .store-meta{color:#94a3b8;font-size:11px}
.auth-empty{color:#94a3b8;font-size:12px;padding:8px 2px}