/* ========================================
   Shopping CSS - 桃宝购物页面
   精致简洁 · 白底黑灰UI · 移动端用户页面
   ======================================== */

/* ---- 页面容器 ---- */
.tb-screen {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-color: #fff;
  z-index: var(--z-drawer);
  display: none;
  flex-direction: column;
  overflow: hidden;
}
.tb-screen.is-active { display: flex; }

/* ---- 顶部导航栏 ---- */
.tb-nav {
  height: var(--status-bar-height);
  margin-top: var(--safe-area-top);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
  background-color: #fff;
  flex-shrink: 0;
  position: relative;
}

.tb-nav__back {
  display: flex;
  align-items: center;
  color: var(--color-text-primary);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  margin-left: -8px;
  width: 32px;
}
.tb-nav__back svg { width: 24px; height: 24px; }

.tb-nav__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.tb-nav__right {
  width: 32px;
  flex-shrink: 0;
}

/* ---- 子页面容器 ---- */
.tb-page {
  display: none;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}
.tb-page.is-active { display: flex; }

.tb-page__scroll {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: calc(56px + var(--safe-area-bottom, 0px));
}

/* ================================================
   搜索栏
   ================================================ */
.tb-search {
  padding: 8px var(--spacing-lg) 12px;
}

.tb-search__bar {
  display: flex;
  align-items: center;
  background: var(--color-card-muted);
  border-radius: var(--radius-full);
  padding: 0 14px;
  height: 36px;
  border: 1px solid rgba(0, 0, 0, 0.03);
}

.tb-search__icon {
  width: 16px; height: 16px;
  color: var(--color-text-hint);
  flex-shrink: 0;
}

.tb-search__input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  padding: 0 8px;
  font-family: var(--font-family);
}
.tb-search__input::placeholder { color: var(--color-text-hint); }

.tb-search__ai-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: var(--color-text-primary, #222);
  color: #fff;
  cursor: pointer;
  flex-shrink: 0;
  margin-left: 8px;
  transition: opacity .2s, transform .2s;
}
.tb-search__ai-btn svg {
  width: 16px;
  height: 16px;
}
.tb-search__ai-btn:active {
  transform: scale(0.9);
}
.tb-search__ai-btn.is-loading {
  opacity: 0.5;
  pointer-events: none;
  animation: tb-ai-spin 1s linear infinite;
}
@keyframes tb-ai-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ================================================
   分类标签栏
   ================================================ */
.tb-categories {
  display: flex;
  gap: 8px;
  padding: 0 var(--spacing-lg) 12px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.tb-categories::-webkit-scrollbar { display: none; }

.tb-category-tab {
  flex-shrink: 0;
  padding: 6px 16px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-regular);
  color: var(--color-text-secondary);
  background: var(--color-card-muted);
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-family);
  white-space: nowrap;
}
.tb-category-tab.is-active {
  color: #fff;
  background: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
}
.tb-category-tab:not(.is-active):active {
  background: rgba(0, 0, 0, 0.08);
}

.tb-category-tab--custom {
  position: relative;
  padding-right: 26px;
}

.tb-category-tab__del {
  position: absolute;
  top: -4px;
  right: -2px;
  width: 16px; height: 16px;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  border-radius: 50%;
  font-size: 10px;
  line-height: 16px;
  text-align: center;
  cursor: pointer;
}
.tb-category-tab__del:active {
  background: rgba(0, 0, 0, 0.8);
}

/* ================================================
   商品列表
   ================================================ */
.tb-products {
  padding: 0 var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tb-product-card {
  display: flex;
  gap: 12px;
  padding: 14px;
  background: var(--color-card-muted);
  border-radius: 14px;
  cursor: pointer;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
  border: 1px solid rgba(0, 0, 0, 0.03);
}
.tb-product-card:active {
  transform: scale(0.98);
  background-color: rgba(0, 0, 0, 0.04);
}

.tb-product-card__img {
  width: 72px; height: 72px;
  border-radius: 10px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid rgba(0, 0, 0, 0.04);
  color: var(--color-text-secondary);
}
.tb-product-card__img svg { width: 32px; height: 32px; }

.tb-product-card__info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.tb-product-card__name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 4px;
}

.tb-product-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 6px;
}

.tb-product-card__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tb-product-card__price {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  line-height: 1;
}
.tb-product-card__price-unit {
  font-size: 11px;
  font-weight: var(--font-weight-regular);
}

.tb-product-card__shop {
  font-size: 11px;
  color: var(--color-text-hint);
}

.tb-product-card__actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.tb-product-card__del {
  width: 28px; height: 28px;
  background: none;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.12);
  color: var(--color-text-hint);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.tb-product-card__del svg { width: 14px; height: 14px; }
.tb-product-card__del:active {
  color: #e53935;
  border-color: #e53935;
}

.tb-product-card__buy {
  width: 28px; height: 28px;
  background: var(--color-text-primary);
  border-radius: 50%;
  border: none;
  color: #fff;
  font-size: 16px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: opacity var(--transition-fast);
}
.tb-product-card__buy:active { opacity: 0.7; }

/* ================================================
   购物车
   ================================================ */
.tb-cart {
  padding: 0 var(--spacing-lg);
}

.tb-cart__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0 12px;
}

.tb-cart__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.tb-cart__count {
  font-size: var(--font-size-sm);
  color: var(--color-text-hint);
}

.tb-cart__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tb-cart-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  background: var(--color-card-muted);
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.03);
}

.tb-cart-item__img {
  width: 48px; height: 48px;
  border-radius: 8px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid rgba(0, 0, 0, 0.04);
  color: var(--color-text-secondary);
}
.tb-cart-item__img svg { width: 24px; height: 24px; }

.tb-cart-item__info {
  flex: 1;
  min-width: 0;
}

.tb-cart-item__name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 2px;
}

.tb-cart-item__price {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.tb-cart-item__qty {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}

.tb-cart-item__qty-btn {
  width: 26px; height: 26px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: #fff;
  border-radius: 6px;
  font-size: 14px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-primary);
  font-family: var(--font-family);
  transition: background-color var(--transition-fast);
}
.tb-cart-item__qty-btn:active { background: rgba(0, 0, 0, 0.05); }

.tb-cart-item__qty-num {
  width: 28px;
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.tb-cart-item__del {
  width: 24px; height: 24px;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--color-text-hint);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 0;
  transition: color var(--transition-fast);
}
.tb-cart-item__del svg { width: 16px; height: 16px; }
.tb-cart-item__del:active { color: var(--color-text-primary); }

.tb-cart__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  margin-top: 12px;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.tb-cart__total {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.tb-cart__total-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.tb-cart__total-price {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.tb-cart__checkout {
  padding: 10px 24px;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: #fff;
  background: var(--color-text-primary);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--font-family);
  transition: opacity var(--transition-fast);
}
.tb-cart__checkout:active { opacity: 0.8; }

/* ================================================
   支付面板
   ================================================ */
.tb-modal--pay {
  max-width: 300px;
  text-align: center;
}

.tb-pay__amount {
  font-size: 32px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 16px 0 20px;
}

.tb-pay__info {
  background: var(--color-card-muted);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 4px;
}

.tb-pay__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  padding: 4px 0;
}

.tb-pay__insufficient {
  color: #e53935;
  font-weight: var(--font-weight-medium);
}

.tb-pay__warn {
  font-size: 12px;
  color: #e53935;
  text-align: center;
  margin-top: 8px;
}

.tb-pay__recipient {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.tb-pay__recipient-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: 8px;
  text-align: left;
}

.tb-pay__recipient-select {
  width: 100%;
  padding: 10px 12px;
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  outline: none;
  background: var(--color-card-muted);
  color: var(--color-text-primary);
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  cursor: pointer;
  box-sizing: border-box;
}

.tb-pay__recipient-select:focus {
  border-color: var(--color-text-primary);
}

.tb-modal__btn--disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ================================================
   商品详情弹窗
   ================================================ */
.tb-modal--detail {
  max-width: 340px;
  max-height: 80vh;
  overflow-y: auto;
}

/* ================================================
   商品详情页
   ================================================ */
.tb-detail {
  padding: var(--spacing-lg);
}

.tb-detail__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
}
.tb-detail__empty-icon {
  width: 56px; height: 56px;
  color: var(--color-text-light);
  margin-bottom: 14px;
}
.tb-detail__empty-icon svg { width: 100%; height: 100%; }
.tb-detail__empty-title {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}
.tb-detail__empty-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-hint);
}

/* 商品详情卡片 */
.tb-detail-card {
  background: var(--color-card-muted);
  border-radius: 16px;
  padding: 20px;
  border: 1px solid rgba(0, 0, 0, 0.03);
}

.tb-detail-card__header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.tb-detail-card__img {
  width: 80px; height: 80px;
  border-radius: 12px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid rgba(0, 0, 0, 0.04);
  color: var(--color-text-secondary);
}
.tb-detail-card__img svg { width: 36px; height: 36px; }

.tb-detail-card__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  line-height: 1.4;
  margin-bottom: 6px;
}

.tb-detail-card__price {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}
.tb-detail-card__price-unit {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-regular);
}

.tb-detail-card__section {
  margin-bottom: 14px;
}
.tb-detail-card__section:last-child { margin-bottom: 0; }

.tb-detail-card__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: 6px;
}

.tb-detail-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.tb-detail-card__shop {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-size-sm);
  color: var(--color-text-hint);
  margin-top: 4px;
}
.tb-detail-card__shop svg { width: 14px; height: 14px; }

/* 详情页底部操作栏 */
.tb-detail__actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.tb-detail__btn {
  flex: 1;
  padding: 12px 0;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  font-family: var(--font-family);
  transition: all var(--transition-fast);
  text-align: center;
}
.tb-detail__btn--secondary {
  color: var(--color-text-primary);
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
}
.tb-detail__btn--secondary:active { background: rgba(0, 0, 0, 0.04); }

.tb-detail__btn--primary {
  color: #fff;
  background: var(--color-text-primary);
}
.tb-detail__btn--primary:active { opacity: 0.8; }

/* ================================================
   我的页面
   ================================================ */
.tb-mine-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px var(--spacing-lg) 16px;
}

.tb-mine-avatar {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--color-card-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.tb-mine-info { flex: 1; }

.tb-mine-name {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.tb-mine-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* 仓库入口 */
.tb-mine-warehouse {
  padding: 0 var(--spacing-lg);
  margin-bottom: 14px;
}

.tb-mine-warehouse__btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 16px;
  background: var(--color-card-muted);
  border-radius: 14px;
  border: 1px solid rgba(0, 0, 0, 0.03);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  font-family: var(--font-family);
  text-align: left;
}
.tb-mine-warehouse__btn:active {
  background-color: rgba(0, 0, 0, 0.06);
  transform: scale(0.98);
}

.tb-mine-warehouse__icon {
  width: 36px; height: 36px;
  background: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid rgba(0, 0, 0, 0.04);
}
.tb-mine-warehouse__icon svg { width: 20px; height: 20px; color: var(--color-text-primary); }

.tb-mine-warehouse__text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tb-mine-warehouse__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.tb-mine-warehouse__desc {
  font-size: 11px;
  color: var(--color-text-hint);
}

.tb-mine-warehouse__arrow {
  width: 16px; height: 16px;
  color: var(--color-text-hint);
  flex-shrink: 0;
}

/* 订单状态入口 */
.tb-mine-orders {
  padding: 0 var(--spacing-lg);
  margin-bottom: 16px;
}

.tb-mine-section-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: 12px;
}

.tb-mine-order-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.tb-mine-order-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 4px 12px;
  background: var(--color-card-muted);
  border-radius: 14px;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  border: 1px solid rgba(0, 0, 0, 0.03);
}
.tb-mine-order-tab:active {
  background-color: rgba(0, 0, 0, 0.06);
  transform: scale(0.96);
}

.tb-mine-order-tab__icon {
  width: 24px; height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-primary);
}
.tb-mine-order-tab__icon svg { width: 20px; height: 20px; }

.tb-mine-order-tab span {
  font-size: 11px;
  color: var(--color-text-primary);
  font-family: var(--font-family);
}

/* 订单列表 */
.tb-mine-order-list {
  padding: 0 var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tb-order-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--color-card-muted);
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.03);
}

.tb-order-item__img {
  width: 44px; height: 44px;
  border-radius: 8px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid rgba(0, 0, 0, 0.04);
  color: var(--color-text-secondary);
}
.tb-order-item__img svg { width: 22px; height: 22px; }

.tb-order-item__info { flex: 1; min-width: 0; }

.tb-order-item__name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 2px;
}

.tb-order-item__status {
  font-size: 11px;
  color: var(--color-text-hint);
}

.tb-order-item__price {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  flex-shrink: 0;
}

/* ================================================
   空状态
   ================================================ */
.tb-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
  text-align: center;
}

.tb-empty__icon {
  width: 56px; height: 56px;
  color: var(--color-text-light);
  margin-bottom: 14px;
}
.tb-empty__icon svg { width: 100%; height: 100%; }

.tb-empty__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.tb-empty__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-hint);
  line-height: 1.5;
}

/* ================================================
   底部导航栏
   ================================================ */
.tb-bottom-nav {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  display: flex;
  background: #fff;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  padding-bottom: var(--safe-area-bottom, 0px);
  flex-shrink: 0;
}

.tb-bottom-nav__item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-hint);
  font-size: 10px;
  font-family: var(--font-family);
  transition: color var(--transition-fast);
}
.tb-bottom-nav__item svg { width: 22px; height: 22px; }
.tb-bottom-nav__item.is-active { color: var(--color-text-primary); }

/* ================================================
   弹窗 Modal
   ================================================ */
.tb-modal-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 24px;
}

.tb-modal {
  background: #fff;
  border-radius: 16px;
  padding: 24px 20px 20px;
  width: 100%;
  max-width: 300px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.tb-modal__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  text-align: center;
  margin-bottom: 18px;
}

.tb-modal__field {
  margin-bottom: 14px;
}

.tb-modal__label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.tb-modal__input {
  width: 100%;
  padding: 10px 12px;
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  outline: none;
  background: var(--color-card-muted);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast);
  box-sizing: border-box;
}
.tb-modal__input:focus {
  border-color: var(--color-text-primary);
}
.tb-modal__input::placeholder { color: var(--color-text-hint); }

.tb-modal__actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.tb-modal__btn {
  flex: 1;
  padding: 10px 0;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--font-family);
  transition: all var(--transition-fast);
  text-align: center;
}

.tb-modal__btn--cancel {
  color: var(--color-text-primary);
  background: var(--color-card-muted);
  border: 1px solid rgba(0, 0, 0, 0.06);
}
.tb-modal__btn--cancel:active { background: rgba(0, 0, 0, 0.06); }

.tb-modal__btn--confirm {
  color: #fff;
  background: var(--color-text-primary);
}
.tb-modal__btn--confirm:active { opacity: 0.8; }

/* ================================================
   Toast 提示
   ================================================ */
.tb-toast {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: var(--font-size-sm);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  z-index: 100;
  font-family: var(--font-family);
}

/* ================================================
   手动添加商品按钮
   ================================================ */
.tb-search__add-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--color-text-primary, #222);
  cursor: pointer;
  flex-shrink: 0;
  margin-left: 6px;
  transition: background-color .2s, transform .2s;
}
.tb-search__add-btn svg {
  width: 18px;
  height: 18px;
}
.tb-search__add-btn:active {
  transform: scale(0.9);
  background: rgba(0, 0, 0, 0.06);
}

/* ================================================
   添加商品弹窗（加宽）
   ================================================ */
.tb-modal--add {
  max-width: 320px;
  max-height: 80vh;
  overflow-y: auto;
}

.tb-modal__textarea {
  width: 100%;
  padding: 10px 12px;
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  outline: none;
  background: var(--color-card-muted);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast);
  box-sizing: border-box;
  resize: vertical;
  min-height: 80px;
  line-height: 1.5;
}
.tb-modal__textarea:focus {
  border-color: var(--color-text-primary);
}
.tb-modal__textarea::placeholder { color: var(--color-text-hint); }

/* ================================================
   仓库面板
   ================================================ */
.tb-warehouse-panel {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: #fff;
  z-index: 150;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.tb-warehouse-panel__header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px var(--spacing-lg);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  flex-shrink: 0;
}

.tb-warehouse-panel__back {
  width: 28px; height: 28px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.tb-warehouse-panel__back svg { width: 20px; height: 20px; }

.tb-warehouse-panel__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.tb-warehouse-panel__list {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 12px var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tb-warehouse-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  background: var(--color-card-muted);
  border-radius: 14px;
  border: 1px solid rgba(0, 0, 0, 0.03);
}

.tb-warehouse-item__icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid rgba(0, 0, 0, 0.04);
  color: var(--color-text-secondary);
}
.tb-warehouse-item__icon svg { width: 22px; height: 22px; }

.tb-warehouse-item__info {
  flex: 1;
  min-width: 0;
}

.tb-warehouse-item__name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: 3px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tb-warehouse-item__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 2px;
}

.tb-warehouse-item__source {
  font-size: 11px;
  color: var(--color-text-secondary);
}

.tb-warehouse-item__sender {
  font-size: 11px;
  color: var(--color-text-hint);
}

.tb-warehouse-item__time {
  font-size: 10px;
  color: var(--color-text-hint);
}

.tb-warehouse-item__total {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  flex-shrink: 0;
}