/* ============================================
   Koza Shop UI — extends theme.css
   ============================================ */

/* Nav ---------------------------------------- */
.wordmark { text-decoration: none; color: var(--fg); }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: 24px; }
.nav-link {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 400;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link:hover { color: var(--accent); }
.nav-cart { font-weight: 500; }

/* CTA Buttons -------------------------------- */
.hero-actions { display: flex; gap: 16px; margin-top: 36px; align-items: center; flex-wrap: wrap; }
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: 2px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-primary:hover { background: #a00e25; }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-secondary {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
}
.btn-secondary:hover { color: var(--accent); border-color: var(--accent); }

/* Shop page ---------------------------------- */
.shop-page { max-width: 1200px; margin: 0 auto; padding: 48px 40px 80px; }
.shop-header { margin-bottom: 40px; }
.shop-title {
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 500;
  color: var(--fg);
  margin-bottom: 8px;
}
.shop-subtitle { font-size: 15px; color: var(--muted); }

/* Filters ------------------------------------ */
.shop-filters { display: flex; flex-direction: column; gap: 12px; margin-bottom: 40px; }
.filter-section { display: flex; flex-direction: column; gap: 8px; }
.filter-section-label {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.filter-group { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-pill {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 2px;
  text-decoration: none;
  color: var(--muted);
  transition: all 0.12s;
}
.filter-pill:hover, .filter-pill.active {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

/* Product grid ------------------------------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.product-card { display: flex; flex-direction: column; }
.product-card-link { text-decoration: none; color: inherit; }
.product-image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  background: var(--accent-light);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 16px;
}
.product-image { width: 100%; height: 100%; object-fit: cover; }
.product-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f0e8e4 0%, #e8d8d4 100%);
}
.product-origin-badge {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.product-brand-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(255,255,255,0.9);
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 2px;
  color: var(--fg);
}
.product-info { margin-bottom: 12px; }
.product-name {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 400;
  color: var(--fg);
  line-height: 1.4;
  margin-bottom: 4px;
}
.product-price {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--fg);
}
.btn-add-to-cart {
  margin-top: auto;
  width: 100%;
  background: transparent;
  border: 1px solid var(--border);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 10px;
  cursor: pointer;
  color: var(--fg);
  transition: all 0.12s;
  border-radius: 2px;
}
.btn-add-to-cart:hover { background: var(--fg); color: var(--bg); border-color: var(--fg); }

/* Product detail ----------------------------- */
.product-detail-page { max-width: 1200px; margin: 0 auto; padding: 40px; }
.breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 40px; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.product-detail-image img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 2px;
}
.product-detail-image-placeholder {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, #2a1a1a 0%, #8B0000 50%, #1a1a2e 100%);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.placeholder-inner { text-align: center; }
.placeholder-brand { display: block; font-family: var(--sans); font-size: 18px; font-weight: 500; color: rgba(255,255,255,0.9); letter-spacing: 0.1em; }
.placeholder-origin { display: block; font-family: var(--sans); font-size: 12px; color: rgba(255,255,255,0.5); letter-spacing: 0.15em; text-transform: uppercase; margin-top: 6px; }
.product-detail-brand { font-size: 12px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.product-detail-name { font-family: var(--serif); font-size: 32px; font-weight: 500; line-height: 1.2; margin-bottom: 16px; }
.product-detail-price { font-size: 22px; font-weight: 500; margin-bottom: 28px; }
.product-detail-qty { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.product-detail-qty label { font-size: 13px; color: var(--muted); font-weight: 500; letter-spacing: 0.05em; }
.qty-control { display: flex; align-items: center; border: 1px solid var(--border); border-radius: 2px; }
.qty-btn {
  width: 36px; height: 36px; background: none; border: none; cursor: pointer;
  font-size: 18px; color: var(--fg); display: flex; align-items: center; justify-content: center;
}
.qty-btn:hover { background: var(--accent-light); }
.qty-control input { width: 48px; text-align: center; border: none; border-left: 1px solid var(--border); border-right: 1px solid var(--border); height: 36px; font-family: var(--sans); font-size: 14px; }
.btn-add-to-cart-detail { width: 100%; margin-bottom: 32px; font-size: 14px; padding: 16px; }
.product-detail-description { font-size: 15px; color: var(--muted); line-height: 1.8; margin-bottom: 28px; border-top: 1px solid var(--border); padding-top: 28px; }
.product-origin-story h3 { font-family: var(--serif); font-size: 20px; font-weight: 500; margin-bottom: 10px; }
.product-origin-story p { font-size: 14px; color: var(--muted); line-height: 1.8; margin-bottom: 24px; }
.product-detail-meta { display: flex; gap: 8px; }
.meta-tag {
  font-size: 11px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 5px 10px; border: 1px solid var(--border); border-radius: 2px; color: var(--muted);
}

/* Cart page ---------------------------------- */
.cart-page { max-width: 1200px; margin: 0 auto; padding: 48px 40px 80px; }
.cart-title { font-family: var(--serif); font-size: 40px; font-weight: 500; margin-bottom: 40px; }
.cart-empty { text-align: center; padding: 80px 0; }
.cart-empty p { font-size: 18px; color: var(--muted); margin-bottom: 24px; }
.cart-layout { display: grid; grid-template-columns: 1fr 340px; gap: 60px; align-items: start; }
.cart-items { border-top: 1px solid var(--border); }
.cart-item {
  display: grid;
  grid-template-columns: 80px 1fr auto auto;
  gap: 20px;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
.cart-item-placeholder {
  width: 80px; height: 80px;
  background: var(--accent-light);
  border-radius: 2px;
  display: flex; align-items: center; justify-content: center;
}
.cart-item-placeholder span { font-size: 10px; color: var(--muted); font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; }
.cart-item-brand { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 4px; }
.cart-item-name a { font-size: 14px; color: var(--fg); text-decoration: none; }
.cart-item-name a:hover { color: var(--accent); }
.cart-item-price { font-size: 13px; color: var(--muted); margin-top: 4px; }
.cart-item-actions { display: flex; flex-direction: column; gap: 8px; align-items: center; }
.cart-remove-btn { font-size: 12px; color: var(--muted); background: none; border: none; cursor: pointer; text-decoration: underline; }
.cart-remove-btn:hover { color: var(--accent); }
.cart-item-total { font-size: 15px; font-weight: 500; min-width: 64px; text-align: right; }
.cart-summary {
  background: var(--accent-light);
  padding: 32px;
  border-radius: 2px;
  position: sticky;
  top: 24px;
}
.cart-summary h2 { font-family: var(--serif); font-size: 22px; font-weight: 500; margin-bottom: 24px; }
.summary-row { display: flex; justify-content: space-between; font-size: 14px; margin-bottom: 12px; }
.summary-note { color: var(--muted); font-size: 12px; margin-bottom: 24px; }
.btn-checkout { width: 100%; font-size: 14px; padding: 16px; margin-bottom: 12px; }
.btn-continue { display: block; text-align: center; font-size: 13px; color: var(--muted); text-decoration: none; }
.btn-continue:hover { color: var(--accent); }

/* Order success ------------------------------ */
.success-page { max-width: 600px; margin: 80px auto; padding: 0 40px; text-align: center; }
.success-icon { margin-bottom: 24px; }
.success-title { font-family: var(--serif); font-size: 40px; font-weight: 500; margin-bottom: 12px; }
.success-sub { font-size: 16px; color: var(--muted); margin-bottom: 40px; line-height: 1.7; }
.order-summary { background: var(--accent-light); border-radius: 2px; padding: 24px; margin-bottom: 32px; text-align: left; }
.order-item { display: flex; justify-content: space-between; font-size: 14px; padding: 6px 0; border-bottom: 1px solid var(--border); gap: 12px; }
.order-item-name { flex: 1; }
.order-item-qty { color: var(--muted); }
.order-total-row { display: flex; justify-content: space-between; font-size: 15px; padding-top: 12px; margin-top: 4px; }

/* Error page --------------------------------- */
.error-page { max-width: 600px; margin: 80px auto; padding: 0 40px; text-align: center; }
.error-page h1 { font-family: var(--serif); font-size: 36px; font-weight: 500; margin-bottom: 12px; }
.error-page p { font-size: 15px; color: var(--muted); margin-bottom: 32px; }

/* Cart toast --------------------------------- */
.cart-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--fg);
  color: var(--bg);
  font-family: var(--sans);
  font-size: 13px;
  padding: 12px 20px;
  border-radius: 2px;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.2s;
  pointer-events: none;
  z-index: 1000;
}
.cart-toast.show { opacity: 1; transform: translateY(0); }

/* Empty state -------------------------------- */
.empty-state { padding: 60px 0; text-align: center; font-size: 15px; color: var(--muted); }
.empty-state a { color: var(--accent); }

/* Responsive --------------------------------- */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .product-detail-grid { grid-template-columns: 1fr; gap: 32px; }
  .cart-layout { grid-template-columns: 1fr; }
  .cart-item { grid-template-columns: 64px 1fr; grid-template-rows: auto auto; }
  .cart-item-actions { grid-column: 2; }
  .cart-item-total { grid-column: 2; text-align: left; }
  .shop-page, .cart-page, .product-detail-page { padding: 32px 20px 60px; }
}
@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .site-nav .nav-link span { display: none; }
}