:root {
  --primary: #f68b1e;
  --primary-dark: #d9740c;
  --dark: #222;
  --gray: #666;
  --border: #e2e2e2;
  --bg: #f5f5f5;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; background: var(--bg); color: var(--dark); }
a { color: inherit; text-decoration: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* Header */
.site-header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 10; }
.header-inner { display: flex; align-items: center; gap: 24px; padding: 14px 16px; flex-wrap: wrap; }
.logo { font-size: 22px; font-weight: 800; color: var(--primary); }
.search-form { flex: 1; display: flex; min-width: 200px; }
.search-form input { flex: 1; padding: 10px 12px; border: 1px solid var(--border); border-radius: 4px 0 0 4px; }
.search-form button { padding: 10px 16px; background: var(--primary); color: #fff; border: none; border-radius: 0 4px 4px 0; cursor: pointer; }
.header-nav { display: flex; gap: 16px; align-items: center; }
.header-nav a { font-size: 14px; font-weight: 600; }

/* Alerts */
.alert { padding: 10px 14px; border-radius: 4px; margin: 12px auto; }
.alert-success { background: #e6f6e9; color: #1e7e34; border: 1px solid #b6e2c0; }
.alert-error { background: #fdecea; color: #b02a2a; border: 1px solid #f5c2c2; }

/* Categories bar */
.categories-bar { display: flex; gap: 10px; overflow-x: auto; padding: 14px 0; }
.category-pill { background: #fff; border: 1px solid var(--border); padding: 8px 14px; border-radius: 20px; white-space: nowrap; font-size: 14px; }

/* Product grid */
.product-section { margin: 28px 0; }
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; }
.product-card { background: #fff; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; display: block; transition: box-shadow .15s; }
.product-card:hover { box-shadow: 0 2px 10px rgba(0,0,0,.08); }
.product-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; background: #f0f0f0; }
.product-card-body { padding: 10px; }
.product-name { font-size: 14px; margin: 0 0 6px; height: 36px; overflow: hidden; }
.product-price { font-weight: 700; color: var(--primary-dark); margin: 0; }
.strike { color: #999; text-decoration: line-through; font-weight: 400; font-size: 12px; margin-left: 6px; }
.product-rating { font-size: 12px; color: #e8a10c; margin: 4px 0 0; }

/* Listing layout */
.listing-layout { display: grid; grid-template-columns: 220px 1fr; gap: 24px; margin-top: 20px; }
.filters { background: #fff; border: 1px solid var(--border); border-radius: 6px; padding: 16px; height: fit-content; }
.filter-list { list-style: none; padding: 0; margin: 0 0 16px; }
.filter-list li { padding: 6px 0; }
.price-filter { display: flex; flex-direction: column; gap: 8px; }
.price-filter input { padding: 8px; border: 1px solid var(--border); border-radius: 4px; }
.listing-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.pagination { display: flex; gap: 6px; margin-top: 20px; }
.pagination a { padding: 6px 12px; border: 1px solid var(--border); border-radius: 4px; background: #fff; }
.pagination a.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* Product detail */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; background: #fff; padding: 24px; border-radius: 6px; margin-top: 20px; }
.product-gallery img#main-image { width: 100%; border-radius: 6px; }
.thumbnail-row { display: flex; gap: 8px; margin-top: 10px; }
.thumbnail-row .thumb { width: 60px; height: 60px; object-fit: cover; border: 1px solid var(--border); border-radius: 4px; cursor: pointer; }
.price-large { font-size: 26px; font-weight: 800; color: var(--primary-dark); }
.stock-status { color: #1e7e34; font-weight: 600; }
.attr-list { list-style: none; padding: 0; }
.add-to-cart-form { display: flex; gap: 12px; align-items: center; margin: 16px 0; }
.add-to-cart-form input { width: 70px; padding: 8px; border: 1px solid var(--border); border-radius: 4px; }

/* Buttons */
.btn-primary { display: inline-block; background: var(--primary); color: #fff; border: none; padding: 10px 20px; border-radius: 4px; cursor: pointer; font-weight: 700; }
.btn-primary:hover { background: var(--primary-dark); }
.link-btn { background: none; border: none; color: #b02a2a; cursor: pointer; text-decoration: underline; padding: 0; }

/* Tables (cart/orders/admin) */
.cart-table, .admin-table { width: 100%; border-collapse: collapse; background: #fff; margin-top: 12px; }
.cart-table th, .cart-table td, .admin-table th, .admin-table td { padding: 10px; border-bottom: 1px solid var(--border); text-align: left; font-size: 14px; }
.cart-product-cell { display: flex; align-items: center; gap: 10px; }
.cart-product-cell img { width: 50px; height: 50px; object-fit: cover; border-radius: 4px; }
.cart-summary, .checkout-summary { background: #fff; padding: 18px; border-radius: 6px; margin-top: 16px; max-width: 360px; margin-left: auto; }
.grand-total { font-weight: 800; font-size: 18px; }
.inline-form { display: inline-flex; gap: 6px; align-items: center; }

/* Checkout */
.checkout-layout { display: grid; grid-template-columns: 1fr 340px; gap: 24px; margin-top: 20px; }
.checkout-form, .checkout-summary { background: #fff; padding: 20px; border-radius: 6px; }
.checkout-form label, .admin-form label, .auth-form label { display: block; margin-bottom: 12px; font-size: 14px; font-weight: 600; }
.checkout-form input, .admin-form input, .admin-form select, .admin-form textarea, .auth-form input {
  width: 100%; padding: 9px; border: 1px solid var(--border); border-radius: 4px; margin-top: 4px; font-size: 14px;
}
.address-option { border: 1px solid var(--border); padding: 10px; border-radius: 4px; margin-bottom: 8px; font-weight: 400 !important; }
.summary-line { display: flex; justify-content: space-between; padding: 6px 0; }
.checkbox-line { display: flex; align-items: center; gap: 8px; font-weight: 400 !important; }
.checkbox-line input { width: auto; }

/* Auth */
.auth-form { max-width: 400px; background: #fff; padding: 24px; border-radius: 6px; margin-top: 16px; }

/* Reviews */
.reviews-section { margin: 30px 0; background: #fff; padding: 20px; border-radius: 6px; }
.review { border-bottom: 1px solid var(--border); padding: 12px 0; }

/* Footer */
.site-footer { text-align: center; padding: 24px; color: var(--gray); font-size: 13px; margin-top: 40px; }

/* Admin */
.admin-body { background: #f1f2f6; }
.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar { width: 220px; background: #1c2333; color: #fff; padding: 20px; }
.admin-sidebar h2 { color: var(--primary); }
.admin-sidebar nav { display: flex; flex-direction: column; gap: 4px; margin-top: 20px; }
.admin-sidebar nav a { padding: 10px 12px; border-radius: 4px; }
.admin-sidebar nav a:hover { background: rgba(255,255,255,.1); }
.admin-content { flex: 1; padding: 28px; }
.admin-toolbar { display: flex; justify-content: space-between; align-items: center; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-top: 20px; }
.stat-card { background: #fff; padding: 20px; border-radius: 6px; text-align: center; }
.stat-card h3 { font-size: 24px; margin: 0 0 6px; color: var(--primary-dark); }
.admin-thumb { width: 44px; height: 44px; object-fit: cover; border-radius: 4px; }
.admin-form { background: #fff; padding: 20px; border-radius: 6px; max-width: 600px; }

@media (max-width: 800px) {
  .listing-layout, .checkout-layout, .product-detail { grid-template-columns: 1fr; }
  .admin-shell { flex-direction: column; }
  .admin-sidebar { width: 100%; }
}