* { box-sizing: border-box; }
body { font-family: 'Segoe UI', Arial, sans-serif; margin: 0; background: #f7f7f9; color: #222; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
a { text-decoration: none; color: inherit; }

.site-header { background: #c2185b; color: #fff; padding: 14px 0; }
.header-inner { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 22px; font-weight: bold; color: #fff; }
.site-header nav a { color: #fff; margin-left: 20px; font-weight: 500; }

main.container { min-height: 70vh; padding-top: 24px; padding-bottom: 40px; }

.filter-bar { margin-bottom: 20px; display: flex; flex-wrap: wrap; gap: 8px; }
.chip { background: #fff; border: 1px solid #ddd; padding: 6px 14px; border-radius: 20px; font-size: 14px; }
.chip.active, .chip:hover { background: #c2185b; color: #fff; border-color: #c2185b; }

.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; }
.product-card { background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 1px 4px rgba(0,0,0,0.08); transition: transform .15s; }
.product-card:hover { transform: translateY(-3px); }
.product-img { height: 180px; background: #f0f0f0; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.product-img img { width: 100%; height: 100%; object-fit: cover; }
.no-img { color: #999; font-size: 13px; }
.no-img.large { height: 100%; display: flex; align-items: center; justify-content: center; }
.product-info { padding: 12px; }
.product-info h3 { margin: 0 0 6px; font-size: 15px; }
.price { color: #c2185b; font-weight: bold; margin: 0; }

.product-detail { display: flex; flex-wrap: wrap; gap: 30px; background: #fff; padding: 24px; border-radius: 8px; }
.product-detail-img { flex: 1 1 320px; }
.product-detail-img img { width: 100%; border-radius: 8px; }
.product-detail-info { flex: 1 1 380px; }
.product-detail-info .price { font-size: 22px; margin-bottom: 10px; }
.desc { color: #555; line-height: 1.5; }

.size-table { width: 100%; border-collapse: collapse; margin: 14px 0; }
.size-table th, .size-table td { padding: 10px; border-bottom: 1px solid #eee; text-align: left; font-size: 14px; }
.qty-input { width: 60px; padding: 6px; border: 1px solid #ccc; border-radius: 4px; }

.btn-primary { display: inline-block; background: #c2185b; color: #fff; padding: 12px 22px; border: none; border-radius: 6px; font-size: 15px; cursor: pointer; }
.btn-secondary { display: inline-block; background: #555; color: #fff; padding: 10px 18px; border: none; border-radius: 6px; font-size: 14px; cursor: pointer; }
.error, .error-box { color: #c62828; background: #ffebee; padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; }

.cart-table { width: 100%; border-collapse: collapse; background: #fff; }
.cart-table th, .cart-table td { padding: 12px; border-bottom: 1px solid #eee; text-align: left; font-size: 14px; }
.cart-product { display: flex; align-items: center; gap: 10px; }
.cart-product img { width: 50px; height: 50px; object-fit: cover; border-radius: 4px; }
.remove-link { color: #c62828; font-size: 13px; }
.cart-actions { margin: 14px 0; }
.cart-total { margin-top: 20px; text-align: right; }

.checkout-form { background: #fff; padding: 24px; border-radius: 8px; max-width: 600px; }
.checkout-form label { display: block; margin: 12px 0 4px; font-weight: 600; font-size: 14px; }
.checkout-form input, .checkout-form textarea { width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 5px; }

.thankyou-box { background: #fff; padding: 40px; text-align: center; border-radius: 8px; }

.site-footer { background: #222; color: #ccc; padding: 20px 0; text-align: center; font-size: 13px; margin-top: 40px; }

/* Admin */
.admin-wrap { display: flex; min-height: 100vh; }
.admin-sidebar { width: 220px; background: #1a1a2e; color: #fff; padding: 20px 0; }
.admin-sidebar a { display: block; color: #ccc; padding: 12px 24px; font-size: 14px; }
.admin-sidebar a:hover, .admin-sidebar a.active { background: #c2185b; color: #fff; }
.admin-content { flex: 1; padding: 24px; background: #f4f4f8; }
.admin-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.data-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 6px; overflow: hidden; }
.data-table th, .data-table td { padding: 12px; border-bottom: 1px solid #eee; text-align: left; font-size: 14px; }
.data-table th { background: #fafafa; }
.form-box { background: #fff; padding: 24px; border-radius: 8px; max-width: 640px; }
.form-box label { display: block; margin: 12px 0 4px; font-weight: 600; font-size: 14px; }
.form-box input, .form-box select, .form-box textarea { width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 5px; }
.size-row { display: flex; gap: 10px; margin-bottom: 8px; align-items: center; }
.size-row input { width: auto; flex: 1; }
.badge { padding: 3px 10px; border-radius: 12px; font-size: 12px; }
.badge.active { background: #e8f5e9; color: #2e7d32; }
.badge.inactive { background: #ffebee; color: #c62828; }
.login-box { max-width: 340px; margin: 80px auto; background: #fff; padding: 30px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
.thumb { width: 50px; height: 50px; object-fit: cover; border-radius: 4px; }