*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    body { font-family: 'DM Sans', sans-serif; background: #FFFFFF; color: #2D2D2D; line-height: 1.5; }
    a { text-decoration: none; color: inherit; }
    button { font-family: inherit; cursor: pointer; border: none; background: none; }

    /* ===== Navigation ===== */
    .nav { background: #FFFFFF; border-bottom: 1px solid #e8e8e8; position: sticky; top: 0; z-index: 100; height: 60px; }
    .nav__inner { max-width: 1400px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; height: 60px; }
    .nav__logo { display: flex; align-items: center; gap: 8px; font-size: 18px; font-weight: 700; color: #2D2D2D; }
    .nav__logo svg { width: 28px; height: 28px; }
    .nav__menu { display: flex; list-style: none; gap: 24px; }
    .nav__menu a { font-size: 14px; font-weight: 500; color: #2D2D2D; padding: 4px 0; transition: color .2s; }
    .nav__menu a:hover, .nav__menu a.active { color: #8B9E8B; }
    .nav__menu a.active::after { content: ''; display: block; width: 100%; height: 2px; background: #8B9E8B; margin-top: 2px; }
    .nav__dropdown { position: relative; }
    .nav__dropdown-menu { position: absolute; top: 100%; left: 0; background: #fff; border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,.1); padding: 8px 0; min-width: 180px; opacity: 0; visibility: hidden; transform: translateY(4px); transition: opacity .2s, visibility .2s, transform .2s; }
    .nav__dropdown:hover .nav__dropdown-menu, .nav__dropdown:focus-within .nav__dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
    .nav__dropdown-menu a { display: block; padding: 8px 16px; font-size: 13px; }
    .nav__dropdown-menu a:hover { background: #f5f5f5; }
    .nav__actions { display: flex; align-items: center; gap: 8px; }
    .nav__action-btn { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: 50%; transition: background .2s; }
    .nav__action-btn:hover { background: #f0f0f0; }
    .nav__action-btn svg { width: 20px; height: 20px; }
    .nav__cart-btn { position: relative; }
    .nav__cart-count { position: absolute; top: 2px; right: 2px; background: #8B9E8B; color: #fff; font-size: 10px; font-weight: 700; min-width: 16px; height: 16px; border-radius: 8px; display: flex; align-items: center; justify-content: center; line-height: 1; }
    .nav__hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
    .nav__hamburger span { width: 20px; height: 2px; background: #2D2D2D; transition: width .3s, height .3s, transform .3s; }
    .nav__mobile-menu { display: none; position: fixed; top: 60px; left: 0; right: 0; background: #fff; border-bottom: 1px solid #e8e8e8; box-shadow: 0 8px 16px rgba(0,0,0,.08); z-index: 99; padding: 16px; }
    .nav__mobile-menu.open { display: block; }
    .nav__mobile-menu a { display: block; padding: 12px 0; font-size: 15px; font-weight: 500; border-bottom: 1px solid #f0f0f0; }

    @media (max-width: 768px) {
      .nav__menu { display: none; }
      .nav__hamburger { display: flex; }
    }

    /* ===== Category Tabs ===== */
    .cat-tabs { background: #fff; border-bottom: 1px solid #eee; }
    .cat-tabs__inner { max-width: 1400px; margin: 0 auto; padding: 0 24px; display: flex; gap: 0; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
    .cat-tabs__inner::-webkit-scrollbar { display: none; }
    .cat-tabs__item { flex-shrink: 0; padding: 14px 20px; font-size: 14px; font-weight: 500; color: #777; border-bottom: 3px solid transparent; cursor: pointer; transition: color .2s, border-color .2s; white-space: nowrap; }
    .cat-tabs__item:hover { color: #2D2D2D; }
    .cat-tabs__item.active { color: #2D2D2D; font-weight: 700; border-bottom-color: #8B9E8B; }
    .cat-tabs__item .cnt { font-size: 12px; color: #aaa; font-weight: 400; margin-left: 4px; }
    .cat-tabs__item.active .cnt { color: #8B9E8B; }

    @media (max-width: 768px) {
      .cat-tabs__item { padding: 12px 14px; font-size: 13px; }
    }

    /* ===== Breadcrumb ===== */
    .breadcrumb { max-width: 1400px; margin: 0 auto; padding: 12px 24px 0; }
    .breadcrumb__list { display: flex; align-items: center; gap: 6px; font-size: 13px; color: #999; list-style: none; }
    .breadcrumb__list a { color: #999; transition: color .15s; }
    .breadcrumb__list a:hover { color: #8B9E8B; }
    .breadcrumb__sep { font-size: 10px; }
    .breadcrumb__current { color: #2D2D2D; font-weight: 600; }

    /* ===== Main Layout ===== */
    .main { max-width: 1400px; margin: 0 auto; padding: 16px 24px; display: flex; gap: 24px; }

    /* ===== Toolbar ===== */
    .toolbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
    .toolbar__left { display: flex; align-items: center; gap: 12px; }
    .toolbar__count { font-size: 13px; color: #777; }
    .toolbar__sort select { font-size: 13px; padding: 6px 28px 6px 10px; border: 1px solid #ddd; border-radius: 6px; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23999'/%3E%3C/svg%3E") no-repeat right 10px center; appearance: none; cursor: pointer; }
    .toolbar__right { display: flex; align-items: center; gap: 8px; }
    .toolbar__view-btn { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border: 1px solid #ddd; border-radius: 6px; font-size: 11px; color: #999; transition: border-color .15s, color .15s; }
    .toolbar__view-btn.active { border-color: #8B9E8B; color: #8B9E8B; background: rgba(139,158,139,.08); }
    .toolbar__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
    .toolbar__tag { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; padding: 4px 8px 4px 10px; background: rgba(139,158,139,.1); color: #6b7f6b; border-radius: 4px; }
    .toolbar__tag button { font-size: 14px; color: #8B9E8B; line-height: 1; }

    @media (max-width: 768px) {
      .main { flex-direction: column; padding: 20px; }
      .toolbar { display: none; }
      .mobile-toolbar { display: flex !important; align-items: center; justify-content: space-between; padding: 8px 0; }
    }
    .mobile-toolbar { display: none; }
    .mobile-toolbar__btn { font-size: 13px; font-weight: 600; color: #2D2D2D; display: flex; align-items: center; gap: 4px; cursor: pointer; }
    .mobile-toolbar__count { font-size: 13px; color: #777; }
    .mobile-sort-wrap { position: relative; }
    .mobile-sort-btn { font-size: 13px; padding: 8px 12px; border: 1px solid #ddd; border-radius: 6px; background: #fff; cursor: pointer; white-space: nowrap; }
    .mobile-sort-dropdown { display: none; position: absolute; top: 100%; right: 0; min-width: 100%; background: #fff; border: 1px solid #ddd; border-radius: 8px; box-shadow: 0 4px 16px rgba(0,0,0,.1); z-index: 50; padding: 4px; margin-top: 4px; }
    .mobile-sort-dropdown.open { display: block; }
    .mobile-sort-dropdown button { display: block; width: 100%; padding: 10px 16px; font-size: 13px; color: #555; background: none; border: none; border-radius: 6px; text-align: left; cursor: pointer; transition: background .15s, color .15s; }
    .mobile-sort-dropdown button:hover { background: #fef5ee; color: #E8764B; }
    .mobile-sort-dropdown button.active { color: #E8764B; font-weight: 600; }

    /* ===== Sidebar (L2→L3 tree only) ===== */
    .sidebar { width: 220px; flex-shrink: 0; }
    .sidebar__section { margin-bottom: 20px; }
    .sidebar__title { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 10px; color: #2D2D2D; padding-bottom: 8px; border-bottom: 1px solid #eee; }

    /* L2→L3 Tree */
    .cat-l2 { border-bottom: 1px solid #f0f0f0; }
    .cat-l2:last-child { border-bottom: none; }
    .cat-l2__header { display: flex; align-items: center; justify-content: space-between; padding: 9px 0; font-size: 13px; font-weight: 600; color: #2D2D2D; cursor: pointer; user-select: none; transition: color .15s; }
    .cat-l2__header:hover { color: #E8764B; }
    .cat-l2__header.active { color: #E8764B; }
    .cat-l2__header .arrow { font-size: 9px; transition: transform .2s; color: #ccc; }
    .cat-l2__header .arrow.open { transform: rotate(90deg); }
    .cat-l2__header .cnt { font-size: 11px; color: #aaa; font-weight: 400; margin-left: 4px; }
    .cat-l3-list { overflow: hidden; max-height: 0; transition: max-height .25s ease; padding-left: 12px; }
    .cat-l3-list.open { max-height: 400px; }
    .cat-l3-item { padding: 5px 0; font-size: 12px; color: #777; cursor: pointer; transition: color .15s; }
    .cat-l3-item:hover { color: #E8764B; }
    .cat-l3-item.active { color: #E8764B; font-weight: 600; }
    .cat-l3-item.empty { color: #ccc; }
    .cat-l3-item .cnt { font-size: 11px; color: #ccc; margin-left: 4px; }

    .sidebar__price-group { display: flex; flex-wrap: wrap; gap: 6px; }
    .sidebar__price-btn { font-size: 12px; padding: 5px 12px; border: 1px solid #e0e0e0; border-radius: 20px; color: #777; transition: border-color .15s, color .15s; }
    .sidebar__price-btn:hover { border-color: #E8764B; color: #E8764B; }
    .sidebar__price-btn.active { background: #E8764B; border-color: #E8764B; color: #fff; }

    .sidebar__item { display: flex; align-items: center; padding: 6px 0; font-size: 13px; color: #555; cursor: pointer; transition: color .15s; }
    .sidebar__item:hover { color: #E8764B; }
    .sidebar__item input { margin-right: 8px; accent-color: #E8764B; }
    .sidebar__clear { font-size: 12px; color: #8B9E8B; font-weight: 600; cursor: pointer; }
    .sidebar__clear:hover { text-decoration: underline; }

    @media (max-width: 768px) {
      .sidebar { display: none; }
    }

    /* ===== Product Grid ===== */
    .products-grid { flex: 1; min-width: 0; display: grid; gap: 14px; grid-template-columns: repeat(4, minmax(0, 1fr)); overflow: hidden; }
    .products-grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .products-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
    .products-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
    @media (max-width: 1024px) { .products-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
    @media (max-width: 768px) { .products-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; } }
    @media (max-width: 400px) { .products-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; } }

    /* ===== Product Card ===== */
    .product-card { background: #fff; border-radius: 8px; overflow: visible; transition: box-shadow .2s, transform .15s; border: 1px solid #f0f0f0; }
    .product-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.08); transform: translateY(-2px); }
    .product-card__img-wrap { position: relative; aspect-ratio: 1; overflow: hidden; background: #f5f5f5; }
    .product-card__img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
    .product-card:hover .product-card__img { transform: scale(1.05); }
    .product-card__badge { position: absolute; top: 8px; left: 8px; font-size: 10px; font-weight: 700; padding: 3px 8px; border-radius: 4px; text-transform: uppercase; letter-spacing: .3px; }
    .product-card__badge--bestseller { background: #2D2D2D; color: #fff; }
    .product-card__badge--new { background: #8B9E8B; color: #fff; }
    .product-card__badge--sale { background: #e74c3c; color: #fff; }
    .product-card__cart-btn { position: absolute; bottom: 0; left: 0; right: 0; background: rgba(45,45,45,.9); color: #fff; text-align: center; padding: 10px; font-size: 12px; font-weight: 600; transform: translateY(100%); transition: transform .25s; cursor: pointer; }
    .product-card:hover .product-card__cart-btn { transform: translateY(0); }
    .product-card__cart-btn:hover { background: #E8764B; }
    .product-card__cart-btn.added { background: #E8764B; }
    .product-card__info { padding: 10px 8px 12px; }
    .product-card__name { font-size: 13px; font-weight: 500; color: #2D2D2D; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 4px; }
    .product-card__rating { display: flex; align-items: center; gap: 3px; margin-bottom: 4px; font-size: 12px; }
    .product-card__stars { color: #f5a623; font-size: 11px; letter-spacing: -1px; }
    .product-card__rating-num { color: #2D2D2D; font-weight: 600; font-size: 12px; }
    .product-card__reviews { color: #999; font-size: 11px; }

    .product-card__price-row { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
    .product-card__price { font-size: 15px; font-weight: 700; color: #c0392b; }
    .product-card__orig-price { font-size: 12px; color: #aaa; text-decoration: line-through; }
    .product-card__discount { font-size: 11px; color: #e74c3c; font-weight: 600; background: #fff0f0; padding: 1px 5px; border-radius: 3px; }
    .product-card__urgency { display: flex; align-items: center; gap: 4px; font-size: 10px; color: #e74c3c; font-weight: 600; margin-top: 4px; }
    .product-card__viewers-dot { width: 6px; height: 6px; border-radius: 50%; background: #e74c3c; animation: pcPulse 1.5s infinite; }
    @keyframes pcPulse { 0%,100%{opacity:1}50%{opacity:.3} }

    /* ===== Empty State ===== */
    .empty-state { text-align: center; padding: 60px 20px; color: #999; }
    .empty-state__icon { font-size: 48px; margin-bottom: 12px; }
    .empty-state__text { font-size: 15px; }

    /* ===== Pagination ===== */
    .pagination { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 24px; padding-bottom: 24px; }
    .pagination__btn { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border: 1px solid #e0e0e0; border-radius: 6px; font-size: 13px; color: #555; transition: border-color .15s, color .15s; }
    .pagination__btn:hover { border-color: #8B9E8B; color: #8B9E8B; }
    .pagination__btn.active { background: #8B9E8B; border-color: #8B9E8B; color: #fff; }
    .pagination__btn.disabled { opacity: .4; pointer-events: none; }

    /* ===== Footer ===== */
    .footer { background: #2D2D2D; color: rgba(255,255,255,.7); margin-top: 40px; }
    .footer__inner { max-width: 1400px; margin: 0 auto; padding: 40px 24px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; }
    .footer__title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 16px; }
    .footer__link { display: block; font-size: 13px; padding: 4px 0; color: rgba(255,255,255,.6); transition: color .15s; }
    .footer__link:hover { color: #8B9E8B; }
    .footer__bottom { border-top: 1px solid rgba(255,255,255,.1); max-width: 1400px; margin: 0 auto; padding: 16px 24px; text-align: center; font-size: 12px; color: rgba(255,255,255,.4); }
    @media (max-width: 768px) { .footer__inner { grid-template-columns: repeat(2, 1fr); } }

    /* ===== Mobile Filter Drawer ===== */
    .drawer-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 200; opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s; }
    .drawer-overlay.open { opacity: 1; visibility: visible; }
    .drawer { position: fixed; top: 0; left: 0; bottom: 0; width: 300px; background: #fff; z-index: 201; transform: translateX(-100%); transition: transform .3s ease; overflow-y: auto; }
    .drawer.open { transform: translateX(0); }
    .drawer__header { display: flex; align-items: center; justify-content: space-between; padding: 16px; border-bottom: 1px solid #eee; position: sticky; top: 0; background: #fff; z-index: 1; }
    .drawer__title { font-size: 16px; font-weight: 700; }
    .drawer__close { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; font-size: 20px; color: #999; }
    .drawer__body { padding: 16px; }

    /* ===== Loading state ===== */
    .loading-state { text-align: center; padding: 60px 20px; color: #999; }
    .loading-state__spinner { display: inline-block; width: 32px; height: 32px; border: 3px solid #eee; border-top-color: #8B9E8B; border-radius: 50%; animation: spin .8s linear infinite; }
    @keyframes spin { to { transform: rotate(360deg); } }