:root {
  color-scheme: light;
  --ink: #15231e;
  --muted: #68756f;
  --line: #dfe5e1;
  --paper: #f5f6f3;
  --card: #ffffff;
  --brand: #123c30;
  --brand-2: #1e5a48;
  --accent: #c99749;
  --accent-soft: #f5ead8;
  --good: #267356;
  --good-soft: #e3f2eb;
  --warn: #9c6420;
  --warn-soft: #faefd9;
  --danger: #a73d3d;
  --danger-soft: #f9e6e4;
  --shadow: 0 12px 38px rgba(23, 42, 34, 0.08);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
}

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

button {
  cursor: pointer;
}

.loading-screen,
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.loading-screen {
  align-content: center;
  gap: 12px;
  color: var(--muted);
}

.brand-mark {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--brand);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 15px;
  font-family: "Songti SC", "STSong", serif;
  font-size: 28px;
  box-shadow: 0 8px 24px rgba(18, 60, 48, 0.2);
}

.login-page {
  padding: 32px 20px;
  background:
    radial-gradient(circle at 15% 20%, rgba(201, 151, 73, 0.13), transparent 28%),
    linear-gradient(145deg, #10251e 0%, #173c31 46%, #0e1c18 100%);
}

.login-card {
  width: min(100%, 940px);
  min-height: 580px;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 28px;
  box-shadow: 0 36px 90px rgba(0, 0, 0, 0.28);
}

.login-intro {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 54px;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(15, 43, 34, 0.1), rgba(8, 29, 23, 0.62)),
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 18px),
    var(--brand);
}

.login-intro .brand-mark {
  background: rgba(255, 255, 255, 0.08);
}

.login-intro h1 {
  max-width: 420px;
  margin: 28px 0 18px;
  font-family: "Songti SC", "STSong", serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 500;
  line-height: 1.16;
}

.login-intro p {
  max-width: 410px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.8;
}

.login-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.login-kpis span {
  padding: 13px 8px;
  text-align: center;
  color: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  font-size: 12px;
}

.login-form-wrap {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 54px 50px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.login-form-wrap h2 {
  margin: 0 0 8px;
  font-size: 27px;
}

.subtle {
  color: var(--muted);
}

.field {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.field label {
  color: #435049;
  font-size: 13px;
  font-weight: 650;
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  color: var(--ink);
  background: #fff;
  border: 1px solid #d5ddd8;
  border-radius: 10px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--brand-2);
  box-shadow: 0 0 0 3px rgba(30, 90, 72, 0.12);
}

.button,
.primary-button,
.ghost-button,
.danger-button {
  min-height: 42px;
  padding: 9px 15px;
  border-radius: 10px;
  border: 0;
  font-weight: 700;
}

.primary-button {
  color: #fff;
  background: var(--brand);
  box-shadow: 0 7px 16px rgba(18, 60, 48, 0.18);
}

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

.ghost-button {
  color: var(--brand);
  background: #edf2ef;
  border: 1px solid #d7e1dc;
}

.danger-button {
  color: var(--danger);
  background: var(--danger-soft);
  border: 1px solid #f0cac7;
}

.wide {
  width: 100%;
  margin-top: 22px;
}

.demo-accounts {
  margin-top: 24px;
  padding: 15px;
  background: #f7f8f6;
  border: 1px solid var(--line);
  border-radius: 13px;
}

.demo-accounts strong {
  display: block;
  margin-bottom: 10px;
  font-size: 13px;
}

.account-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.account-chip {
  padding: 7px 10px;
  color: var(--brand);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
}

.account-chip:hover {
  border-color: var(--accent);
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 238px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 30%),
    var(--brand);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 10px 24px;
}

.sidebar-brand .brand-mark {
  width: 42px;
  height: 42px;
  font-size: 23px;
}

.sidebar-brand strong {
  display: block;
  font-family: "Songti SC", "STSong", serif;
  font-size: 19px;
  font-weight: 600;
}

.sidebar-brand small {
  color: rgba(255, 255, 255, 0.55);
}

.nav-list {
  display: grid;
  gap: 5px;
}

.nav-button {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 11px 12px;
  color: rgba(255, 255, 255, 0.68);
  background: transparent;
  border: 0;
  border-radius: 10px;
  text-align: left;
}

.nav-button:hover,
.nav-button.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.nav-icon {
  width: 24px;
  color: var(--accent);
  font-weight: 900;
  text-align: center;
}

.sidebar-footer {
  margin-top: auto;
  padding: 15px 10px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-footer strong,
.sidebar-footer small {
  display: block;
}

.sidebar-footer small {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.54);
}

.logout-link {
  margin-top: 12px;
  padding: 0;
  color: rgba(255, 255, 255, 0.64);
  background: transparent;
  border: 0;
  font-size: 13px;
}

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

.topbar {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 30px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.topbar h1 {
  margin: 0;
  font-size: 21px;
}

.topbar p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.demo-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 11px;
  color: var(--warn);
  background: var(--warn-soft);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 750;
}

.page {
  padding: 28px 30px 42px;
}

.page-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.page-head h2 {
  margin: 0;
  font-size: 26px;
}

.page-head p {
  margin: 7px 0 0;
  color: var(--muted);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.kpi-card,
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 15px;
  box-shadow: 0 4px 18px rgba(21, 35, 30, 0.025);
}

.kpi-card {
  min-height: 128px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px;
}

.kpi-card.accent {
  color: #fff;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.06), transparent),
    var(--brand);
  border-color: transparent;
}

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

.accent .kpi-label,
.accent .kpi-note {
  color: rgba(255, 255, 255, 0.66);
}

.kpi-value {
  margin: 10px 0 2px;
  font-family: "DIN Alternate", "Arial Narrow", sans-serif;
  font-size: clamp(27px, 3vw, 38px);
  font-weight: 800;
  letter-spacing: -0.03em;
}

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

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, 0.8fr);
  gap: 16px;
  margin-top: 16px;
}

.panel {
  padding: 20px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.panel-head h3 {
  margin: 0;
  font-size: 17px;
}

.panel-head span {
  color: var(--muted);
  font-size: 12px;
}

.scenario-card {
  padding: 18px;
  background: linear-gradient(135deg, #f8f2e8, #fff);
  border: 1px solid #ead9bb;
  border-radius: 14px;
}

.scenario-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 9px;
  margin-top: 15px;
}

.scenario-flow div {
  padding: 13px 10px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(201, 151, 73, 0.25);
  border-radius: 10px;
}

.scenario-flow span,
.scenario-flow strong {
  display: block;
}

.scenario-flow span {
  color: var(--muted);
  font-size: 11px;
}

.scenario-flow strong {
  margin-top: 5px;
  font-size: 19px;
}

.progress-list {
  display: grid;
  gap: 16px;
}

.progress-row {
  display: grid;
  grid-template-columns: 70px 1fr 76px;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}

.progress-track {
  height: 8px;
  overflow: hidden;
  background: #e7ece9;
  border-radius: 999px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--brand-2), #4b9a7e);
  border-radius: inherit;
}

.progress-value {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 13px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 13px;
}

th,
td {
  padding: 12px 13px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid #edf0ee;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  color: #52605a;
  background: #f6f8f6;
  font-size: 12px;
  font-weight: 750;
}

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

tbody tr:hover {
  background: #fafbf9;
}

.number {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.status {
  display: inline-flex;
  align-items: center;
  padding: 5px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 750;
}

.status.pending {
  color: var(--warn);
  background: var(--warn-soft);
}

.status.good {
  color: var(--good);
  background: var(--good-soft);
}

.status.bad {
  color: var(--danger);
  background: var(--danger-soft);
}

.status.neutral {
  color: #53615b;
  background: #edf1ef;
}

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

.search {
  width: min(320px, 100%);
}

.inventory-groups {
  display: grid;
  gap: 12px;
}

.inventory-group {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.inventory-group summary {
  position: relative;
  display: grid;
  grid-template-columns: minmax(190px, 1fr) repeat(3, minmax(100px, 0.55fr));
  align-items: center;
  gap: 18px;
  padding: 17px 96px 17px 20px;
  cursor: pointer;
  list-style: none;
}

.inventory-group summary::-webkit-details-marker {
  display: none;
}

.inventory-group summary::after {
  content: "展开SKU";
  position: absolute;
  right: 20px;
  color: var(--brand-2);
  font-size: 12px;
  font-weight: 700;
}

.inventory-group[open] summary::after {
  content: "收起SKU";
}

.inventory-group summary span,
.inventory-group summary small,
.inventory-group summary strong {
  display: block;
}

.inventory-group summary span:not(.category-title) {
  text-align: right;
}

.inventory-group summary small {
  color: var(--muted);
  font-size: 11px;
}

.inventory-group summary strong {
  margin-top: 4px;
  font-size: 18px;
}

.category-title strong {
  margin: 0;
  color: var(--brand);
  font-size: 21px;
}

.category-title small {
  margin-top: 5px;
}

.category-table {
  border-right: 0;
  border-bottom: 0;
  border-left: 0;
  border-radius: 0;
}

.audit-inline {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  line-height: 1.45;
}

.form-panel {
  margin-bottom: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.form-grid .field {
  margin-top: 0;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 16px;
}

button:disabled,
input:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.action-link {
  padding: 0;
  color: var(--brand-2);
  background: transparent;
  border: 0;
  font-weight: 700;
}

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

.empty {
  padding: 36px;
  color: var(--muted);
  text-align: center;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.switch-row {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  margin-top: 16px;
  padding: 13px;
  background: #f7f9f7;
  border: 1px solid var(--line);
  border-radius: 11px;
}

.switch-row input {
  width: 18px;
  min-height: 18px;
  margin: 2px 0 0;
}

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

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

.report-status-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 12px;
}

.report-preview-head {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.report-preview {
  padding: 22px;
  background: #fbfcfa;
  border: 1px dashed #bdc9c3;
  border-radius: 13px;
}

.report-preview h3 {
  margin: 0 0 4px;
  font-family: "Songti SC", "STSong", serif;
  font-size: 23px;
}

.report-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 18px 0;
}

.report-metrics div {
  padding: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.report-metrics span,
.report-metrics strong {
  display: block;
}

.report-metrics span {
  color: var(--muted);
  font-size: 11px;
}

.report-metrics strong {
  margin-top: 5px;
  font-size: 17px;
}

.drop-zone {
  padding: 28px;
  text-align: center;
  background: #fafbf9;
  border: 1.5px dashed #b9c6c0;
  border-radius: 13px;
}

.drop-zone input {
  max-width: 380px;
  min-height: auto;
  margin: 14px auto;
}

.note-box {
  padding: 14px 15px;
  color: #5e553f;
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  line-height: 1.65;
  font-size: 13px;
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 100;
  max-width: 360px;
  padding: 12px 16px;
  color: #fff;
  background: #203029;
  border-radius: 10px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: 0.2s;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

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

.mobile-menu {
  display: none;
}

@media (max-width: 1040px) {
  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .content-grid,
  .settings-grid {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .inventory-group summary {
    grid-template-columns: minmax(160px, 1fr) repeat(3, minmax(86px, 0.6fr));
  }
}

@media (max-width: 760px) {
  .login-card {
    grid-template-columns: 1fr;
  }
  .login-intro {
    min-height: 280px;
    padding: 32px;
  }
  .login-intro h1 {
    margin-top: 20px;
  }
  .login-kpis {
    margin-top: 28px;
  }
  .login-form-wrap {
    padding: 34px 28px;
  }
  .app-shell {
    display: block;
  }
  .sidebar {
    position: fixed;
    left: 0;
    z-index: 20;
    width: 250px;
    transform: translateX(-100%);
    transition: transform 0.2s;
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .mobile-menu {
    display: inline-grid;
    width: 42px;
    min-height: 42px;
    place-items: center;
    padding: 0;
    color: var(--brand);
    background: #edf2ef;
    border: 0;
    border-radius: 10px;
  }
  .topbar {
    padding: 14px 18px;
  }
  .topbar-title {
    flex: 1;
  }
  .page {
    padding: 22px 16px 36px;
  }
  .page-head {
    display: block;
  }
  .page-head .toolbar {
    margin-top: 14px;
  }
  .scenario-flow,
  .report-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  .inventory-group summary {
    grid-template-columns: 1fr 1fr;
    padding-right: 20px;
  }
  .inventory-group summary::after {
    display: none;
  }
  .inventory-group summary span:not(.category-title) {
    text-align: left;
  }
}

@media (max-width: 520px) {
  .kpi-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }
  .login-intro {
    padding: 28px 24px;
  }
  .login-form-wrap {
    padding: 30px 22px;
  }
  .login-kpis {
    grid-template-columns: 1fr;
  }
  .scenario-flow,
  .report-metrics {
    grid-template-columns: 1fr;
  }
  .progress-row {
    grid-template-columns: 62px 1fr;
  }
  .progress-value {
    grid-column: 2;
    text-align: left;
  }
}