:root {
  --color-bg: #F5F0E8;
  --color-paper: #FAF7F0;
  --color-detail-bg: #E8E0D0;
  --color-text: #1A1A1A;
  --color-muted: #9B8E7F;
  --color-accent: #C8863A;
  --color-danger: #E8653C;
  --color-border: rgba(26, 26, 26, 0.1);
  --color-white: #FFFFFF;
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
  --radius-card: 12px;
  --nav-height: 44px;
  --font-base: -apple-system, BlinkMacSystemFont, "PingFang SC", "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-base);
}

a {
  color: inherit;
  text-decoration: none;
}

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

.admin-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 220px 1fr;
}

.sidebar {
  background: var(--color-paper);
  border-right: 1px solid var(--color-border);
  padding: 24px 16px;
}

.brand {
  margin-bottom: 28px;
}

.brand-title {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
}

.brand-subtitle {
  margin: 6px 0 0;
  color: var(--color-muted);
  font-size: 13px;
}

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

.nav-item {
  display: block;
  padding: 11px 12px;
  border-radius: 8px;
  color: var(--color-muted);
}

.nav-item.active,
.nav-item:hover {
  background: rgba(200, 134, 58, 0.12);
  color: var(--color-accent);
}

.main {
  padding: 28px;
}

.topbar {
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.page-title {
  margin: 0;
  font-size: 26px;
  line-height: 1.2;
}

.page-desc {
  margin: 6px 0 0;
  color: var(--color-muted);
  font-size: 14px;
}

.card {
  background: var(--color-paper);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  padding: 18px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.dashboard-section {
  margin-top: 26px;
}

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

.quick-card {
  display: grid;
  gap: 8px;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 16px;
}

.quick-card:hover {
  border-color: rgba(200, 134, 58, 0.4);
}

.quick-card span {
  color: var(--color-muted);
  font-size: 13px;
}

.stat-value {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 28px;
}

.stat-label {
  margin: 0;
  color: var(--color-muted);
  font-size: 13px;
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(420px, 100%);
}

.form-row {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.form-error {
  margin: 12px 0 0;
  color: var(--color-danger);
  font-size: 13px;
}

.input {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-white);
  padding: 12px 14px;
  color: var(--color-text);
}

.button {
  border: 0;
  border-radius: 8px;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 12px 16px;
  cursor: pointer;
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.button.small {
  padding: 8px 10px;
  font-size: 13px;
}

.button.secondary {
  background: var(--color-paper);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.button.danger {
  background: var(--color-danger);
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-paper);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.table th,
.table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  font-size: 14px;
}

.table th {
  color: var(--color-muted);
  font-weight: 500;
}

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

.empty-state {
  color: var(--color-muted);
  padding: 28px;
  text-align: center;
}

.filter-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  overflow-x: auto;
}

.filter-tab {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-paper);
  color: var(--color-muted);
  padding: 9px 12px;
  cursor: pointer;
  white-space: nowrap;
}

.filter-tab.active {
  background: rgba(200, 134, 58, 0.14);
  border-color: rgba(200, 134, 58, 0.4);
  color: var(--color-accent);
}

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

.product-row {
  display: grid;
  grid-template-columns: 76px minmax(180px, 1fr) 100px 86px 74px 138px;
  gap: 14px;
  align-items: center;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 12px;
}

.category-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) 100px 120px 138px;
  gap: 14px;
  align-items: center;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 14px;
}

.order-row {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) minmax(220px, 1.4fr) 100px 110px 110px;
  gap: 14px;
  align-items: center;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 14px;
  cursor: pointer;
}

.order-row:hover {
  border-color: rgba(200, 134, 58, 0.4);
}

.recent-order-row {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) 100px 110px;
  gap: 14px;
  align-items: center;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 14px;
}

.recent-order-row:hover {
  border-color: rgba(200, 134, 58, 0.4);
}

.coupon-row {
  display: grid;
  grid-template-columns: minmax(180px, 1.4fr) minmax(120px, 0.8fr) 100px 86px 74px minmax(190px, 1fr) 62px;
  gap: 14px;
  align-items: center;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 14px;
}

.coupon-row p {
  margin: 5px 0 0;
  color: var(--color-muted);
  font-size: 13px;
}

.order-summary {
  color: var(--color-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.product-main p {
  margin: 5px 0 0;
  color: var(--color-muted);
  font-size: 13px;
}

.thumb-cell {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.product-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 12px;
}

.status-pill.ok {
  background: rgba(82, 196, 26, 0.12);
  color: #3f8f18;
}

.status-pill.warn {
  background: rgba(200, 134, 58, 0.14);
  color: var(--color-accent);
}

.status-pill.muted {
  background: rgba(155, 142, 127, 0.14);
  color: var(--color-muted);
}

.status-pill.danger {
  background: rgba(232, 101, 60, 0.12);
  color: var(--color-danger);
}

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

.drawer-mask {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: rgba(26, 26, 26, 0.28);
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 21;
  width: min(400px, 100vw);
  height: 100vh;
  overflow-y: auto;
  background: var(--color-paper);
  border-left: 1px solid var(--color-border);
  box-shadow: -8px 0 24px rgba(0, 0, 0, 0.12);
  padding: 22px;
  transform: translateX(100%);
  transition: transform 220ms ease;
}

.drawer.wide {
  width: min(520px, 100vw);
}

.drawer.open {
  transform: translateX(0);
}

.drawer-header,
.drawer-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.drawer-header {
  margin-bottom: 8px;
}

.drawer-actions {
  position: sticky;
  bottom: -22px;
  margin: 22px -22px -22px;
  padding: 14px 22px;
  background: var(--color-paper);
  border-top: 1px solid var(--color-border);
}

.drawer-title {
  margin: 0;
  font-size: 21px;
}

.icon-button {
  width: 34px;
  height: 34px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-white);
  color: var(--color-text);
  cursor: pointer;
  font-size: 22px;
  line-height: 1;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.checkbox-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text);
  font-size: 14px;
  cursor: pointer;
}

.checkbox-row input {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
}

.checkbox-row input:disabled + span {
  color: var(--color-muted);
}

.upload-box {
  min-height: 156px;
  display: grid;
  place-items: center;
  text-align: center;
  border: 1px dashed rgba(200, 134, 58, 0.55);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.55);
  cursor: pointer;
  overflow: hidden;
}

.upload-box.dragover {
  background: rgba(200, 134, 58, 0.12);
}

.upload-preview {
  width: 100%;
  max-height: 220px;
  object-fit: cover;
}

.mono {
  font-family: var(--font-mono);
  overflow-wrap: anywhere;
}

.detail-section {
  padding: 16px 0;
  border-top: 1px solid var(--color-border);
}

.detail-section h4 {
  margin: 0 0 12px;
  font-size: 15px;
}

.detail-section p {
  margin: 0;
  color: var(--color-muted);
}

.detail-section .item-spec-note {
  margin-top: 4px;
  font-size: 12px;
  color: #9B8E7F;
}

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

.detail-line {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.detail-line span:first-child {
  color: var(--color-muted);
}

.detail-line strong {
  text-align: right;
}

.settings-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 18px;
  align-items: start;
}

.settings-panel {
  min-width: 0;
}

.announcement-admin-panel {
  margin-top: 18px;
}

.free-shipping-panel {
  margin-top: 18px;
}

.free-shipping-actions {
  margin-top: 14px;
}

.announcement-textarea {
  min-height: 280px;
  line-height: 1.7;
  resize: vertical;
  white-space: pre-wrap;
}

.announcement-actions {
  margin-top: 14px;
}

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

.banner-row {
  display: grid;
  grid-template-columns: 28px 120px minmax(160px, 1fr) 210px;
  gap: 12px;
  align-items: center;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 10px;
}

.banner-row[draggable="true"] {
  cursor: grab;
}

.banner-handle {
  color: var(--color-muted);
  text-align: center;
}

.banner-thumb {
  height: 72px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-paper);
  display: grid;
  place-items: center;
}

.banner-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.banner-info {
  min-width: 0;
}

.switch-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  color: var(--color-text);
}

.save-message {
  margin: 12px 0 0;
  color: #3f8f18;
  font-size: 14px;
}

.settings-actions {
  margin-top: 18px;
}

@media (max-width: 860px) {
  .admin-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

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

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

  .product-row {
    grid-template-columns: 64px 1fr;
  }

  .category-row {
    grid-template-columns: 1fr;
  }

  .order-row {
    grid-template-columns: 1fr;
  }

  .recent-order-row {
    grid-template-columns: 1fr;
  }

  .coupon-row {
    grid-template-columns: 1fr;
  }

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

  .banner-row {
    grid-template-columns: 28px 88px 1fr;
  }

  .row-actions {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }
}