:root, [data-scheme=light] {
  --sf-paper: #fff7ed;
  --sf-ink: #1c1917;
  --sf-muted: #78716c;
  --sf-card: #ffffff;
  --sf-border: #e7e5e4;
  --sf-shadow: 0 10px 30px rgb(28 25 23 / .08);
}
[data-scheme=dark] {
  --sf-paper: #0f172a;
  --sf-ink: #e2e8f0;
  --sf-muted: #94a3b8;
  --sf-card: #1e293b;
  --sf-border: #334155;
  --sf-shadow: 0 12px 36px rgb(0 0 0 / .35);
}
body.sf-body {
  margin: 0;
  font-family: var(--sf-font-body), "Segoe UI", system-ui, sans-serif;
  color: var(--sf-ink);
  background: var(--sf-paper);
}
.sf-brand, .sf-section-title { font-family: var(--sf-font-heading), "Segoe UI", system-ui, sans-serif; }
.sf-wrap { max-width: 1100px; margin: 0 auto; padding: 1.25rem; }

.sf-catalog-head {
  display: flex; align-items: end; justify-content: space-between; gap: 1rem;
  margin: .25rem 0 1rem;
}
.sf-kicker {
  margin: 0 0 .2rem; text-transform: uppercase; letter-spacing: .14em;
  font-size: .72rem; font-weight: 700; color: var(--sf-primary);
}
.sf-catalog-count {
  margin: 0; color: var(--sf-muted); font-size: .9rem; font-weight: 600;
}
.sf-cat-heading {
  display: flex; align-items: center; gap: .85rem; margin: 0 0 1rem;
}
.sf-cat-heading .sf-section-title { margin: 0; font-size: clamp(1.25rem, 3vw, 1.7rem); }
.sf-cat-line {
  flex: 1; height: 1px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--sf-primary) 55%, transparent), transparent);
}

.sf-toolbar {
  display: flex; flex-wrap: wrap; gap: .6rem; align-items: center;
  margin: 1rem 0; position: sticky; top: 3.5rem; z-index: 5;
  background: color-mix(in srgb, var(--sf-paper) 88%, transparent);
  backdrop-filter: blur(10px); padding: .65rem; border: 1px solid var(--sf-border);
  border-radius: 1rem;
}
.sf-toolbar input[type=search], .sf-toolbar select, .sf-toolbar input[type=number] {
  border: 1px solid var(--sf-border); border-radius: .75rem; padding: .6rem .8rem;
  background: var(--sf-card); color: var(--sf-ink); font: inherit; font-size: 16px;
}
.sf-toolbar input[type=search] { flex: 1 1 180px; min-width: 140px; }

.sf-cat-pills {
  display: flex; flex-wrap: nowrap; gap: .55rem; overflow-x: auto;
  padding: .15rem 0 .85rem; margin: 0 0 .5rem; scrollbar-width: thin;
  position: sticky; top: 7.2rem; z-index: 4;
  background: color-mix(in srgb, var(--sf-paper) 92%, transparent);
  backdrop-filter: blur(8px);
}
.sf-pill {
  flex: 0 0 auto; display: inline-flex; align-items: center; gap: .45rem;
  text-decoration: none; color: var(--sf-ink); background: var(--sf-card);
  border: 1px solid var(--sf-border); border-radius: 999px;
  padding: .55rem .95rem; font-weight: 650; font-size: .92rem;
  transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.sf-pill em {
  font-style: normal; font-size: .75rem; font-weight: 800;
  background: color-mix(in srgb, var(--sf-primary) 16%, transparent);
  color: var(--sf-primary); border-radius: 999px; padding: .12rem .45rem;
}
.sf-pill:hover { transform: translateY(-1px); border-color: var(--sf-primary); box-shadow: var(--sf-shadow); }

.sf-layout {
  display: grid; grid-template-columns: 230px 1fr; gap: 1.25rem;
}
@media (max-width: 860px) {
  .sf-layout { grid-template-columns: 1fr; }
}
.sf-rail {
  background: var(--sf-card); border: 1px solid var(--sf-border); border-radius: 1.15rem;
  padding: .9rem; position: sticky; top: 7.2rem; align-self: start;
  display: flex; flex-direction: column; gap: .35rem;
}
.sf-rail-title { font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--sf-muted); margin-bottom: .35rem; }
.sf-rail-item {
  display: flex; justify-content: space-between; gap: .5rem; align-items: center;
  text-decoration: none; color: var(--sf-ink); border-radius: .75rem; padding: .65rem .7rem;
  font-weight: 650;
}
.sf-rail-item em { font-style: normal; color: var(--sf-muted); font-size: .8rem; }
.sf-rail-item:hover, .sf-rail-item.is-active {
  background: color-mix(in srgb, var(--sf-primary) 14%, transparent); color: var(--sf-primary);
}

.sf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 1.1rem;
}
.sf-grid.cols-2 { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.sf-grid.cols-4 { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.sf-grid.layout-list {
  grid-template-columns: 1fr;
  gap: .85rem;
}
.sf-grid.layout-masonry {
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}
.sf-grid.layout-masonry .sf-card:nth-child(3n) .sf-img { aspect-ratio: 4/5; }
.sf-grid.layout-masonry .sf-card:nth-child(4n) .sf-img { aspect-ratio: 1/1.15; }

.sf-card {
  background: var(--sf-card); border: 1px solid var(--sf-border); border-radius: 1.15rem;
  overflow: hidden; display: flex; flex-direction: column;
  box-shadow: 0 1px 0 rgb(0 0 0 / .02);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.sf-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--sf-shadow);
  border-color: color-mix(in srgb, var(--sf-primary) 35%, var(--sf-border));
}
.sf-card.is-hidden { display: none !important; }
.sf-card .sf-img {
  position: relative; aspect-ratio: 1;
  background:
    radial-gradient(circle at 30% 20%, color-mix(in srgb, var(--sf-primary) 22%, transparent), transparent 55%),
    color-mix(in srgb, var(--sf-border) 55%, var(--sf-card));
  display: grid; place-items: center; color: var(--sf-muted); overflow: hidden;
}
.sf-card .sf-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .35s ease;
}
.sf-card:hover .sf-img img { transform: scale(1.06); }
.sf-img-fallback {
  font-size: 2.4rem; font-weight: 800; color: color-mix(in srgb, var(--sf-primary) 70%, var(--sf-ink));
}
.sf-ribbon {
  position: absolute; top: .7rem; left: .7rem; z-index: 2;
  background: #dc2626; color: #fff; font-size: .72rem; font-weight: 800;
  border-radius: 999px; padding: .28rem .55rem; letter-spacing: .02em;
}
.sf-quick-add {
  position: absolute; right: .7rem; bottom: .7rem; z-index: 2;
  width: 2.35rem; height: 2.35rem; border: 0; border-radius: 999px;
  background: var(--sf-primary); color: #fff; font-size: 1.35rem; font-weight: 700;
  cursor: pointer; opacity: 0; transform: translateY(6px);
  transition: opacity .18s ease, transform .18s ease;
  box-shadow: 0 8px 18px rgb(0 0 0 / .2);
}
.sf-card:hover .sf-quick-add, .sf-card:focus-within .sf-quick-add {
  opacity: 1; transform: none;
}
@media (hover: none) {
  .sf-quick-add { opacity: 1; transform: none; }
}

.sf-card .sf-body { padding: .85rem .9rem 1rem; flex: 1; display: flex; flex-direction: column; gap: .35rem; }
.sf-card h3 { margin: 0; font-size: 1.02rem; line-height: 1.25; letter-spacing: -.01em; }
.sf-card-meta { display: flex; flex-wrap: wrap; gap: .35rem; min-height: 0; }
.sf-chip {
  display: inline-flex; align-items: center; font-size: .68rem; font-weight: 800;
  padding: .18rem .45rem; border-radius: 999px;
  background: color-mix(in srgb, var(--sf-primary) 14%, transparent); color: var(--sf-primary);
}
.sf-chip-promo { background: #ecfdf5; color: #047857; }
[data-scheme=dark] .sf-chip-promo { background: #064e3b; color: #6ee7b7; }
.sf-desc { margin: 0; color: var(--sf-muted); font-size: .84rem; line-height: 1.35; }
.sf-price-row { margin-top: .15rem; }
.sf-price { color: var(--sf-primary); font-weight: 800; font-size: 1.12rem; display: flex; align-items: baseline; gap: .4rem; flex-wrap: wrap; }
.sf-old { color: var(--sf-muted); text-decoration: line-through; font-size: .85rem; font-weight: 500; }
.sf-promo { color: #059669; font-size: .78rem; font-weight: 700; margin-top: .15rem; }
.sf-add {
  margin-top: auto; background: var(--sf-primary); color: #fff; border: 0; border-radius: .75rem;
  padding: .62rem .75rem; font-weight: 700; cursor: pointer; width: 100%;
  transition: filter .15s ease, transform .15s ease;
}
.sf-add:hover { filter: brightness(1.05); transform: translateY(-1px); }
.sf-scheme-toggle {
  border: 1px solid var(--sf-border); background: var(--sf-card); color: var(--sf-ink);
  border-radius: 999px; padding: .4rem .85rem; font-weight: 700; cursor: pointer; font: inherit;
}
.sf-empty { color: var(--sf-muted); padding: 2rem 0; text-align: center; }

/* List layout: horizontal product rows */
.sf-grid.layout-list .sf-card {
  flex-direction: row; align-items: stretch; min-height: 118px;
}
.sf-grid.layout-list .sf-img {
  width: 132px; min-width: 132px; aspect-ratio: auto; height: auto;
}
.sf-grid.layout-list .sf-body { padding: .85rem 1rem; }
.sf-grid.layout-list .sf-add { width: auto; align-self: flex-start; padding-inline: 1rem; }
@media (max-width: 560px) {
  .sf-grid.layout-list .sf-card { flex-direction: column; }
  .sf-grid.layout-list .sf-img { width: 100%; min-width: 0; aspect-ratio: 16/10; }
}