:root {
  --pa-font-family-primary: Roboto, sans-serif;
  --pa-font-size-base: 16px;
  --pa-font-weight-base: 400;
  --pa-font-line-height-base: 25.6px;
  --pa-font-size-xs: 10px;
  --pa-font-size-sm: 10.8px;
  --pa-font-size-md: 11.52px;
  --pa-font-size-lg: 11.9px;
  --pa-font-size-xl: 12px;
  --pa-font-size-2xl: 12.24px;
  --pa-font-size-3xl: 12.42px;
  --pa-font-size-4xl: 12.8px;

  --pa-color-text-primary: #333333;
  --pa-color-text-secondary: #334862;
  --pa-color-text-tertiary: #f1f1f1;
  --pa-color-text-inverse: #ffffff;
  --pa-color-surface-base: #000000;
  --pa-color-surface-raised: #c51230;
  --pa-color-surface-strong: #666666;

  --pa-space-1: 1.08px;
  --pa-space-2: 1.49px;
  --pa-space-3: 1.54px;
  --pa-space-4: 1.7px;
  --pa-space-5: 1.86px;
  --pa-space-6: 4.8px;
  --pa-space-7: 5px;
  --pa-space-8: 5.44px;

  --pa-radius-xs: 5px;
  --pa-radius-sm: 99px;
  --pa-radius-md: 999px;
  --pa-shadow-1: rgba(0, 0, 0, 0.02) 0 -18.4688px 13.192px 0 inset;
  --pa-shadow-2: rgba(0, 0, 0, 0.02) 0 -21.728px 15.52px 0 inset;
  --pa-motion-instant: 200ms;
  --pa-motion-fast: 300ms;
}

* { box-sizing: border-box; }

body.ntk-products-page {
  margin: 0;
  font-family: var(--pa-font-family-primary);
  font-size: var(--pa-font-size-base);
  font-weight: var(--pa-font-weight-base);
  line-height: var(--pa-font-line-height-base);
  color: var(--pa-color-text-primary);
  background: var(--pa-color-text-inverse);
}

.ntk-wrap { width: min(1170px, calc(100% - 32px)); margin: 0 auto; }

.ntk-skip { position: absolute; left: -9999px; top: 0; }
.ntk-skip:focus-visible { left: 12px; top: 12px; z-index: 1000; padding: 8px 10px; border-radius: var(--pa-radius-xs); background: var(--pa-color-surface-raised); color: var(--pa-color-text-inverse); }

.ntk-head-top { background: var(--pa-color-surface-base); color: var(--pa-color-text-tertiary); min-height: 34px; border-bottom: 1px solid #1d1d1d; font-size: var(--pa-font-size-xl); }
.ntk-head-top-row, .ntk-head-main-row, .ntk-nav-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.ntk-mini-links { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 7px 0; }
.ntk-mini-links, .ntk-mini-links a, .ntk-mini-links span { color: var(--pa-color-text-tertiary); text-decoration: none; }

.ntk-head-main { background: var(--pa-color-text-inverse); border-bottom: 1px solid #ececec; }
.ntk-head-main-row { min-height: 86px; padding: 8px 0; }
.ntk-logo img { width: 196px; display: block; }

.ntk-search { display: flex; align-items: stretch; width: min(640px, 100%); }

.ntk-input, .ntk-btn, .ntk-select, .ntk-menu-btn, .ntk-filter-toggle, .ntk-nav-menu a, .ntk-pagination a, .ntk-pagination span {
  transition: all var(--pa-motion-instant) ease;
}

.ntk-input, .ntk-select {
  width: 100%; min-height: 42px; border: 1px solid #c9c9c9; border-radius: var(--pa-radius-xs);
  padding: 0 12px; font-size: var(--pa-font-size-4xl); color: var(--pa-color-text-primary); background: #fff;
}

.ntk-search .ntk-input { border-right: 0; border-radius: var(--pa-radius-xs) 0 0 var(--pa-radius-xs); }

.ntk-btn, .ntk-menu-btn, .ntk-filter-toggle {
  min-height: 42px; border: 1px solid var(--pa-color-surface-raised); background: var(--pa-color-surface-raised);
  color: var(--pa-color-text-inverse); border-radius: var(--pa-radius-xs); padding: 0 18px; font-size: var(--pa-font-size-4xl);
  text-decoration: none; display: inline-flex; align-items: center; justify-content: center; cursor: pointer;
}

.ntk-search .ntk-btn { border-radius: 0 var(--pa-radius-xs) var(--pa-radius-xs) 0; }
.ntk-menu-btn { display: none; }

.ntk-input:hover, .ntk-select:hover, .ntk-btn:hover, .ntk-menu-btn:hover, .ntk-filter-toggle:hover, .ntk-nav-menu a:hover { filter: brightness(0.95); }
.ntk-input:focus-visible, .ntk-select:focus-visible, .ntk-btn:focus-visible, .ntk-menu-btn:focus-visible, .ntk-filter-toggle:focus-visible, .ntk-nav-menu a:focus-visible, .ntk-products-sidebar a:focus-visible, .ntk-product-card a:focus-visible, .ntk-pagination a:focus-visible {
  outline: 2px solid var(--pa-color-surface-raised); outline-offset: 2px;
}
.ntk-input:active, .ntk-select:active, .ntk-btn:active, .ntk-menu-btn:active, .ntk-filter-toggle:active, .ntk-nav-menu a:active { transform: translateY(1px); }
.ntk-input:disabled, .ntk-select:disabled, .ntk-btn:disabled, .ntk-menu-btn:disabled, .ntk-filter-toggle:disabled, .ntk-nav-menu a[aria-disabled='true'] { opacity: 0.55; cursor: not-allowed; pointer-events: none; }
.ntk-input[aria-busy='true'], .ntk-select[aria-busy='true'], .ntk-btn[aria-busy='true'], .ntk-menu-btn[aria-busy='true'], .ntk-filter-toggle[aria-busy='true'], .ntk-nav-menu a[aria-busy='true'] { opacity: 0.75; }
.ntk-input.is-error, .ntk-select.is-error, .ntk-btn.is-error, .ntk-menu-btn.is-error, .ntk-filter-toggle.is-error, .ntk-nav-menu a.is-error { box-shadow: 0 0 0 2px rgba(197, 18, 48, 0.25); }

.ntk-nav { background: #111; border-top: 1px solid #1f1f1f; border-bottom: 1px solid #1f1f1f; }
.ntk-nav-row { display: block; }
.ntk-nav-menu, .ntk-nav-menu ul { list-style: none; margin: 0; padding: 0; }
.ntk-nav-menu { display: flex; align-items: stretch; width: 100%; }
.ntk-nav-menu > li { position: relative; }
.ntk-nav-menu > li.menu-item-has-children > a { padding-right: 28px; }
.ntk-nav-menu > li.menu-item-has-children > a::after {
  content: "";
  position: absolute;
  right: 12px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-65%) rotate(45deg);
}
.ntk-nav-menu a { color: var(--pa-color-text-inverse); text-decoration: none; padding: 13px 14px; font-size: var(--pa-font-size-4xl); display: block; }
.ntk-nav-menu a.is-active, .ntk-nav-menu a:hover, .ntk-nav-menu a:active { background: var(--pa-color-surface-raised); }

.ntk-nav-menu .sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: #1a1a1a;
  border: 1px solid #2b2b2b;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  z-index: 50;
  box-shadow: 0 14px 24px rgba(0, 0, 0, 0.24);
}

.ntk-nav-menu .sub-menu a {
  padding: 10px 12px;
  border-bottom: 1px solid #2b2b2b;
  white-space: nowrap;
}

.ntk-nav-menu .sub-menu li:last-child a { border-bottom: 0; }
.ntk-nav-menu > li.menu-item-has-children:hover > .sub-menu,
.ntk-nav-menu > li.menu-item-has-children:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }

.ntk-products-main { padding: 26px 0 48px; }
.ntk-breadcrumb { font-size: var(--pa-font-size-4xl); margin-bottom: 14px; color: var(--pa-color-text-secondary); }
.ntk-breadcrumb a { color: inherit; text-decoration: none; }

.ntk-products-topbar { display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; margin-bottom: 16px; }
.ntk-products-count { margin: 0; font-size: var(--pa-font-size-4xl); color: var(--pa-color-text-secondary); }
.ntk-order-form { margin: 0; }
.ntk-order-form .ntk-select { width: 230px; }
.ntk-filter-toggle { display: none; }

.ntk-products-layout { display: grid; grid-template-columns: 270px 1fr; gap: 24px; align-items: start; }

.ntk-products-sidebar { position: sticky; top: 16px; }
.ntk-side-block { border: 1px solid #ececec; border-radius: var(--pa-radius-xs); background: #fff; box-shadow: var(--pa-shadow-1); padding: 16px; margin-bottom: 14px; }
.ntk-side-block h2 { margin: 0 0 10px; font-size: var(--pa-font-size-4xl); color: var(--pa-color-text-primary); }
.ntk-side-block ul { margin: 0; padding: 0; list-style: none; }
.ntk-side-block li { margin: 0 0 8px; }
.ntk-side-block li:last-child { margin-bottom: 0; }
.ntk-side-block a, .ntk-side-block span { color: var(--pa-color-text-secondary); text-decoration: none; font-size: var(--pa-font-size-4xl); }
.ntk-side-block a.is-active, .ntk-side-block a:hover { color: var(--pa-color-surface-raised); }

.ntk-price-form { display: grid; gap: 8px; }
.ntk-price-form label { font-size: var(--pa-font-size-4xl); color: var(--pa-color-text-secondary); }

.ntk-recommend-list li { display: grid; grid-template-columns: 56px 1fr; gap: 10px; align-items: center; }
.ntk-recommend-list img { width: 56px; height: 56px; object-fit: cover; border-radius: var(--pa-radius-xs); border: 1px solid #ececec; }
.ntk-recommend-title { line-height: 1.35; }

.ntk-products-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.ntk-product-card { border: 1px solid #ececec; border-radius: var(--pa-radius-xs); background: #fff; overflow: hidden; box-shadow: var(--pa-shadow-2); display: flex; flex-direction: column; }
.ntk-product-thumb { display: block; background: #fafafa; }
.ntk-product-thumb img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
.ntk-product-body { padding: 14px; display: grid; gap: 8px; }
.ntk-product-cat { margin: 0; font-size: var(--pa-font-size-3xl); color: var(--pa-color-surface-strong); text-transform: uppercase; letter-spacing: 0.02em; }
.ntk-product-body h3 { margin: 0; font-size: 14px; line-height: 1.35; min-height: 38px; }
.ntk-product-body h3 a { color: var(--pa-color-text-primary); text-decoration: none; }
.ntk-product-body h3 a:hover { color: var(--pa-color-surface-raised); }
.ntk-product-price { margin: 0; font-size: var(--pa-font-size-4xl); color: var(--pa-color-text-secondary); min-height: 22px; }

.ntk-product-empty { border: 1px dashed #ccc; border-radius: var(--pa-radius-xs); padding: 22px; grid-column: 1 / -1; text-align: center; }
.ntk-product-empty h3 { margin: 0 0 8px; }
.ntk-product-empty p { margin: 0 0 12px; color: var(--pa-color-text-secondary); }

.ntk-pagination { margin-top: 22px; }
.ntk-pagination ul { margin: 0; padding: 0; list-style: none; display: flex; gap: 8px; flex-wrap: wrap; }
.ntk-pagination a, .ntk-pagination span {
  display: inline-flex; align-items: center; justify-content: center; min-width: 36px; min-height: 36px;
  border: 1px solid #ddd; border-radius: var(--pa-radius-sm); text-decoration: none; font-size: var(--pa-font-size-4xl);
  color: var(--pa-color-text-secondary); background: #fff;
}
.ntk-pagination .current, .ntk-pagination a:hover { background: var(--pa-color-surface-raised); border-color: var(--pa-color-surface-raised); color: var(--pa-color-text-inverse); }

.ntk-footer { background: var(--pa-color-surface-base); color: var(--pa-color-text-tertiary); padding-top: 44px; margin-top: 48px; }
.ntk-footer-grid { display: grid; grid-template-columns: 1.65fr 1fr 1fr 1fr; gap: 26px; }
.ntk-footer img { width: 170px; height: auto; }
.ntk-footer h3, .ntk-footer p, .ntk-footer a { color: var(--pa-color-text-tertiary); text-decoration: none; margin: 0 0 9px; display: block; font-size: var(--pa-font-size-4xl); line-height: 1.5; }
.ntk-footer a:hover, .ntk-footer a:active { color: var(--pa-color-surface-raised); }
.ntk-foot-bottom { margin-top: 24px; border-top: 1px solid #232323; text-align: center; padding: 14px 12px; font-size: var(--pa-font-size-2xl); }

@media (max-width: 1200px) {
  .ntk-products-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1024px) {
  .ntk-head-top-row { flex-direction: column; align-items: flex-start; gap: 0; }
  .ntk-menu-btn { display: inline-flex; min-height: 40px; }
  .ntk-nav { display: none; }
  .ntk-nav.is-open { display: block; }
  .ntk-nav-menu { flex-direction: column; width: 100%; }
  .ntk-nav-menu > li.menu-item-has-children > a::after { right: 14px; }
  .ntk-nav-menu a { border-bottom: 1px solid #2b2b2b; }
  .ntk-nav-menu .sub-menu { position: static; display: none; border: 0; min-width: 0; opacity: 1; visibility: visible; transform: none; box-shadow: none; }
  .ntk-nav-menu .sub-menu a { padding-left: 24px; }

  .ntk-products-topbar { grid-template-columns: 1fr; }
  .ntk-filter-toggle { display: inline-flex; width: 120px; }
  .ntk-order-form .ntk-select { width: 100%; }

  .ntk-products-layout { grid-template-columns: 1fr; }
  .ntk-products-sidebar { position: static; display: none; }
  .ntk-products-sidebar.is-open { display: block; }

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

@media (max-width: 768px) {
  .ntk-wrap { width: min(1170px, calc(100% - 20px)); }
  .ntk-head-main-row { flex-wrap: wrap; }
  .ntk-search { width: 100%; order: 3; }
  .ntk-logo { order: 1; }
  .ntk-menu-btn { order: 2; }

  .ntk-products-grid, .ntk-footer-grid { grid-template-columns: 1fr; }
}