:root {
  --bg: #f6f7f4;
  --panel: #ffffff;
  --ink: #17201c;
  --muted: #69746f;
  --line: #dfe5df;
  --primary: #176b5b;
  --primary-2: #0f4e43;
  --accent: #c8862f;
  --danger: #b53a3a;
  --warn: #b98016;
  --good: #237a48;
  --soft: #eef5f1;
  --radius: 8px;
  --shadow: 0 14px 36px rgba(23, 32, 28, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--bg);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

input[type="number"] {
  appearance: textfield;
  -moz-appearance: textfield;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  margin: 0;
  -webkit-appearance: none;
}

.shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 22px 18px;
  color: #f7fbf9;
  background: #17342e;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: #17342e;
  background: #f3d68b;
  border-radius: 8px;
  font-weight: 800;
  font-size: 24px;
}

.brand strong,
.brand span {
  display: block;
}

.brand span {
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.nav {
  display: grid;
  gap: 6px;
  overflow: auto;
}

.nav button {
  width: 100%;
  min-height: 42px;
  border: 0;
  border-radius: var(--radius);
  padding: 0 12px;
  color: rgba(255, 255, 255, 0.78);
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.nav button:hover,
.nav button.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.nav-group {
  display: grid;
  gap: 4px;
}

.nav-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-children {
  display: none;
  gap: 4px;
  padding-left: 12px;
}

.nav-children.open {
  display: grid;
}

.nav-child {
  min-height: 36px !important;
  padding-left: 14px !important;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.68) !important;
}

.nav-child.active {
  color: #fff !important;
  background: rgba(243, 214, 139, 0.16) !important;
}

.side-note {
  margin-top: auto;
  padding: 14px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
}

.main {
  min-width: 0;
}

.topbar {
  position: sticky;
  top: 44px;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(246, 247, 244, 0.92);
  backdrop-filter: blur(10px);
}

.topbar h1 {
  margin: 0 0 5px;
  font-size: 25px;
  letter-spacing: 0;
}

.topbar p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.open-tabs {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  min-height: 44px;
  align-items: end;
  padding: 8px 28px 0;
  background: rgba(246, 247, 244, 0.92);
  border-bottom: 1px solid var(--line);
}

.open-tabs button {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-bottom-color: transparent;
  border-radius: 8px 8px 0 0;
  padding: 0 10px;
  background: #fff;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
}

.open-tabs button.active {
  color: var(--primary);
  border-color: var(--primary);
  border-bottom-color: #fff;
  font-weight: 700;
}

.open-tabs i {
  font-style: normal;
  color: var(--muted);
}

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

.top-actions:empty {
  display: none;
}

.workspace {
  padding: 26px 28px 42px;
}

.btn,
.mini {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 14px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}

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

.btn.primary:hover {
  background: var(--primary-2);
}

.btn.ghost:hover,
.mini:hover {
  background: var(--soft);
}

.mini {
  min-height: 32px;
  font-size: 13px;
}

.danger-mini {
  color: var(--danger);
  border-color: #f0c4c4;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.metric,
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.metric {
  padding: 16px;
}

.metric span,
.field label {
  color: var(--muted);
  font-size: 13px;
}

.field label b {
  margin-left: 4px;
  color: var(--primary);
  font-weight: 700;
}

.metric strong {
  display: block;
  margin: 9px 0 4px;
  font-size: 28px;
}

.metric small {
  color: var(--muted);
}

.metric.warn strong {
  color: var(--warn);
}

.metric.good strong {
  color: var(--good);
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.two {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.panel {
  padding: 18px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.panel h2 {
  margin: 0;
  font-size: 18px;
}

.panel h3 {
  margin: 0 0 12px;
  font-size: 16px;
}

.module-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.module-tabs button {
  min-height: 42px;
  border: 0;
  border-bottom: 3px solid transparent;
  padding: 0 14px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
}

.module-tabs button.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 700;
}

.platform-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
}

.platform-tabs button {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 12px;
  background: #fff;
  color: var(--muted);
  cursor: pointer;
}

.platform-tabs button.active {
  border-color: var(--primary);
  color: #fff;
  background: var(--primary);
}

.channel-switcher {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--muted);
  font-weight: 700;
}

.channel-platform-tabs {
  margin-bottom: 0;
}

.channel-platform-tabs button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.platform-icon {
  width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  border-radius: 5px;
  color: #fff;
  background: #111;
  font-size: 10px;
  font-weight: 800;
  line-height: 1;
}

.platform-icon.amazon {
  color: #17201c;
  background: #f3b544;
  font-family: Georgia, serif;
  font-size: 17px;
}

.platform-icon.tiktok {
  background: linear-gradient(135deg, #20d5d2, #111 55%, #ef4e75);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: 12px;
}

.field {
  display: grid;
  gap: 6px;
}

.wide-field {
  grid-column: 1 / -1;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 39px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 10px;
  background: #fff;
  color: var(--ink);
}

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

.actions-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.actions-inline {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  min-width: 760px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 11px 10px;
  text-align: left;
  font-size: 14px;
  white-space: nowrap;
}

th {
  color: var(--muted);
  background: #f8faf8;
  font-weight: 600;
}

tr:last-child td {
  border-bottom: 0;
}

.editable-wrap {
  max-height: 520px;
}

.editable-table {
  min-width: 1980px;
}

.editable-table th {
  position: sticky;
  top: 0;
  z-index: 1;
}

.editable-table input,
.editable-table select {
  width: 100%;
  min-width: 92px;
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 8px;
  background: #fff;
  color: var(--ink);
}

.editable-table td:nth-child(1) input {
  min-width: 180px;
}

.editable-table td:nth-child(2) input,
.editable-table td:nth-child(3) input {
  min-width: 140px;
}

.editable-table td:nth-child(6) select {
  min-width: 210px;
}

.spu-pool {
  display: grid;
  gap: 12px;
}

.spu-group {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
}

.spu-group summary {
  display: grid;
  grid-template-columns: 48px minmax(180px, 1fr) auto auto auto auto;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  cursor: pointer;
  background: #f8faf8;
}

.spu-group summary span {
  color: var(--muted);
  font-size: 13px;
}

.spu-summary-actions {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  min-width: max-content;
}

.channel-spu-controls {
  gap: 8px;
}

.channel-spu-controls label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
}

.channel-spu-controls select {
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 6px;
  background: #fff;
  color: var(--ink);
}

.spu-group .table-wrap {
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
}

.spu-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  background: #fff;
  flex-wrap: wrap;
}

.spu-tools label {
  color: var(--muted);
  font-size: 13px;
}

.spu-tools select {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 8px;
  background: #fff;
}

.goods-site-tabs {
  margin-bottom: 10px;
}

.goods-site-tabs button {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.goods-search-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 12px 0;
}

.goods-search-row input {
  flex: 1;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 10px;
  background: #fff;
  color: var(--ink);
}

.goods-candidate-list,
.goods-editor-list {
  display: grid;
  gap: 10px;
}

.goods-candidate-group {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.goods-candidate-row {
  margin-top: 7px;
  padding-left: 22px;
}

.goods-editor-row .thumb {
  align-self: center;
}

.goods-auto-summary {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.spacer {
  flex: 1;
}

.thumb {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  object-fit: cover;
  background: #f8faf8;
}

.site-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
}

.flag {
  width: 22px;
  height: 14px;
  display: inline-block;
  border: 1px solid rgba(0, 0, 0, 0.16);
  border-radius: 2px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.28);
}

.flag.us {
  background:
    linear-gradient(90deg, #28427a 0 40%, transparent 40%),
    repeating-linear-gradient(180deg, #b22234 0 8%, #fff 8% 16%);
}

.flag.cn {
  background:
    radial-gradient(circle at 30% 30%, #ffd34d 0 9%, transparent 10%),
    #de2910;
}

.flag.my {
  background:
    radial-gradient(circle at 28% 45%, #ffd34d 0 16%, transparent 17%),
    linear-gradient(90deg, #263a7a 0 44%, transparent 44%),
    repeating-linear-gradient(180deg, #c92127 0 9%, #fff 9% 18%);
}

.muted-text {
  color: var(--muted);
  font-size: 12px;
}

.thumb.placeholder {
  display: inline-grid;
  place-items: center;
  color: var(--muted);
  font-size: 12px;
}

.image-field .image-preview {
  min-height: 44px;
}

.readonly-value {
  min-height: 39px;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 10px;
  background: #f8faf8;
  font-weight: 700;
}

.readonly-main {
  min-width: 0;
}

.calc-help {
  position: relative;
  flex: 0 0 auto;
  margin-left: auto;
  width: 18px;
  height: 18px;
  display: inline-grid;
  place-items: center;
  border: 1px solid #8a958d;
  border-radius: 50%;
  color: #56615a;
  background: #fff;
  font-size: 12px;
  line-height: 1;
  cursor: help;
}

.calc-tooltip {
  position: absolute;
  right: 0;
  bottom: calc(100% + 8px);
  z-index: 20;
  width: min(360px, 78vw);
  display: none;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 14px 34px rgba(22, 37, 31, 0.16);
  color: var(--ink);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.65;
  white-space: normal;
}

.calc-help:hover .calc-tooltip,
.calc-help:focus .calc-tooltip {
  display: block;
}

.freight-results {
  display: grid;
  gap: 10px;
}

.calc-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 8px;
}

.calc-summary span {
  min-height: 48px;
  display: grid;
  align-content: center;
  gap: 3px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfb;
  color: var(--muted);
  font-size: 12px;
}

.calc-summary b {
  color: var(--ink);
}

.freight-card-list {
  display: grid;
  gap: 8px;
}

.freight-selected-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 10px 0;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f8faf8;
}

.freight-selector[hidden] {
  display: none;
}

.freight-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 8px 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.freight-card.selected {
  border-color: var(--primary);
  background: var(--soft);
}

.freight-card strong,
.freight-card span,
.freight-card small {
  display: block;
}

.freight-card span,
.freight-card small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.freight-card small {
  grid-column: 1 / -1;
}

.allocation-line {
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfb;
  color: var(--muted);
  font-size: 13px;
}

.empty-state.slim {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.empty-state {
  padding: 18px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(11, 18, 15, 0.48);
}

.modal {
  width: min(1280px, 96vw);
  max-height: 92vh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  border-radius: var(--radius);
  background: var(--bg);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.28);
  overflow: hidden;
}

.small-modal {
  width: min(760px, 94vw);
}

.modal-head,
.modal-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.modal-head h2,
.modal-head p {
  margin: 0;
}

.modal-head p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.modal-body {
  overflow: auto;
  padding: 18px;
}

.modal-foot {
  justify-content: flex-end;
  border-top: 1px solid var(--line);
  border-bottom: 0;
}

.inner-panel {
  box-shadow: none;
  margin-bottom: 16px;
}

.sku-editor-row {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 14px;
  margin-bottom: 12px;
}

.sku-row-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.sku-section {
  border-top: 1px solid var(--line);
  padding-top: 12px;
  margin-top: 12px;
}

.sku-section h4 {
  margin: 0 0 10px;
  font-size: 14px;
}

.compact-form {
  grid-template-columns: repeat(2, minmax(160px, 1fr));
  margin-bottom: 14px;
}

.select-list {
  display: grid;
  gap: 10px;
}

.check-row {
  display: grid;
  grid-template-columns: auto 42px 1fr;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  cursor: pointer;
}

.check-row input {
  width: 18px;
  height: 18px;
}

.check-row strong,
.check-row small {
  display: block;
}

.check-row small {
  margin-top: 4px;
  color: var(--muted);
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--primary-2);
  font-size: 12px;
}

.tag.warn {
  color: #7b520b;
  background: #fff1ce;
}

.tag.danger {
  color: #8f2828;
  background: #ffe4e4;
}

.tag.good {
  color: #17603a;
  background: #dcf6e6;
}

.list {
  display: grid;
  gap: 10px;
}

.list-item {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.list-item strong,
.list-item span {
  display: block;
}

.list-item span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.result {
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfb;
}

.result span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.result strong {
  display: block;
  margin-top: 5px;
  font-size: 20px;
}

.progress {
  height: 8px;
  border-radius: 999px;
  overflow: hidden;
  background: #e9eee9;
}

.progress i {
  display: block;
  height: 100%;
  width: var(--value);
  background: var(--primary);
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 9;
  padding: 12px 16px;
  border-radius: var(--radius);
  color: #fff;
  background: #17342e;
  box-shadow: var(--shadow);
}

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: #eef3ef;
}

.login-panel {
  width: min(100%, 420px);
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.login-brand > span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  color: #fff;
  background: var(--primary);
  font-weight: 800;
  font-size: 20px;
}

.login-brand strong,
.login-brand small {
  display: block;
}

.login-brand small,
.login-error {
  color: var(--muted);
}

.login-form {
  display: grid;
  gap: 14px;
}

.remember-password {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.login-error {
  min-height: 18px;
  margin: 0;
  color: #9a3030;
  font-size: 13px;
}

.login-submit {
  min-height: 42px;
}

.current-user {
  align-self: center;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 1050px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

  .nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .topbar,
  .grid.two {
    display: grid;
    grid-template-columns: 1fr;
  }

  .metric-grid,
  .grid.three,
  .form-grid,
  .calc-summary,
  .result-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .topbar,
  .workspace {
    padding-left: 16px;
    padding-right: 16px;
  }

  .metric-grid,
  .form-grid,
  .calc-summary,
  .result-grid,
  .grid.three {
    grid-template-columns: 1fr;
  }

  .nav {
    grid-template-columns: 1fr;
  }

  .top-actions {
    justify-content: stretch;
  }

  .top-actions .btn {
    flex: 1;
  }

  .spu-group summary {
    grid-template-columns: 1fr;
  }

  .freight-card {
    grid-template-columns: 1fr;
  }

  .modal-backdrop {
    padding: 10px;
  }
}