:root {
  --ink: #241c1a;
  --ink-soft: #6b5d58;
  --paper: #fbf7f2;
  --card: #ffffff;
  --line: #e8ddd3;
  --accent: #a83232;
  --accent-dark: #7e2222;
  --accent-soft: #f6e4e0;
  --success: #2c6e49;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
}
a { color: inherit; }

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
header.site .brand {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-dark);
  text-decoration: none;
  letter-spacing: -0.01em;
}
header.site nav {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  font-size: 0.92rem;
}
header.site nav a { text-decoration: none; color: var(--ink-soft); }
header.site nav a:hover { color: var(--accent); }
.cart-link {
  background: var(--accent);
  color: #fff !important;
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  font-weight: 600;
}

main { max-width: 1100px; margin: 0 auto; padding: 2rem 1.5rem 4rem; }

.categories-bar {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}
.categories-bar a {
  text-decoration: none;
  background: var(--card);
  border: 1px solid var(--line);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.categories-bar a.active, .categories-bar a:hover { border-color: var(--accent); color: var(--accent); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}

.product-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.product-card:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(36,28,26,0.08); }
.product-card .thumb {
  aspect-ratio: 1;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 2rem;
}
.product-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-card .info { padding: 0.85rem; }
.product-card .name { font-weight: 600; font-size: 0.95rem; margin-bottom: 0.3rem; }
.product-card .price { color: var(--accent-dark); font-weight: 700; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.7rem 1.4rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}
.btn:hover { background: var(--accent-dark); }
.btn.secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

form.stacked { display: flex; flex-direction: column; gap: 0.9rem; max-width: 420px; }
label { font-size: 0.85rem; font-weight: 600; color: var(--ink-soft); display: block; margin-bottom: 0.3rem; }
input, textarea, select {
  width: 100%;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
}
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }

.error-box {
  background: #fbe9e7;
  border: 1px solid #e0a8a0;
  color: var(--accent-dark);
  padding: 0.7rem 0.9rem;
  border-radius: 6px;
  font-size: 0.88rem;
  margin-bottom: 0.8rem;
}
.success-box {
  background: #e5f2e9;
  border: 1px solid #a8d4b9;
  color: var(--success);
  padding: 0.7rem 0.9rem;
  border-radius: 6px;
  font-size: 0.88rem;
  margin-bottom: 0.8rem;
}

.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
.product-detail .thumb-lg {
  aspect-ratio: 1;
  background: var(--accent-soft);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 3rem;
  overflow: hidden;
}
.product-detail .thumb-lg img { width: 100%; height: 100%; object-fit: cover; }
.product-detail h1 { margin-top: 0; }
.product-detail .price-lg { font-size: 1.6rem; font-weight: 700; color: var(--accent-dark); margin: 0.5rem 0 1rem; }
@media (max-width: 700px) { .product-detail { grid-template-columns: 1fr; } }

.cart-row {
  display: grid;
  grid-template-columns: 4rem 1fr auto auto;
  gap: 1rem;
  align-items: center;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
}
.cart-row .thumb-sm {
  width: 4rem; height: 4rem; border-radius: 6px; background: var(--accent-soft);
  display: flex; align-items: center; justify-content: center; color: var(--accent);
}
.cart-row .thumb-sm img { width: 100%; height: 100%; object-fit: cover; border-radius: 6px; }
.qty-input { width: 4rem; }
.cart-total {
  display: flex; justify-content: space-between; font-size: 1.15rem; font-weight: 700;
  padding-top: 1rem; margin-top: 0.5rem;
}

.empty-state { text-align: center; padding: 3rem 1rem; color: var(--ink-soft); }
footer.site { text-align: center; padding: 2rem; color: var(--ink-soft); font-size: 0.85rem; }