/* ============================================================
   IGREEN STORE - MAIN STYLESHEET
   ============================================================ */
:root {
    --primary: #15803d;
    --primary-dark: #0f5c2c;
    --primary-light: #e8f5ec;
    --accent: #f59e0b;
    --dark: #1f2937;
    --gray: #6b7280;
    --border: #e5e7eb;
    --bg: #f8fafc;
    --danger: #dc2626;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', Arial, sans-serif; background: var(--bg); color: var(--dark); line-height: 1.5; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 16px; }

/* ---------- Top Bar ---------- */
.topbar { background: var(--primary-dark); color: #fff; font-size: 12px; padding: 6px 0; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 6px; }

/* ---------- Header ---------- */
header.site-header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; box-shadow: 0 1px 4px rgba(0,0,0,0.04); }
.header-main { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 0; flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; color: var(--primary); }
.site-logo-img { height: 40px; width: auto; object-fit: contain; }
.logo span { color: var(--dark); }
.search-form { flex: 1; display: flex; max-width: 560px; min-width: 200px; }
.search-form input { flex: 1; padding: 10px 14px; border: 2px solid var(--primary); border-right: none; border-radius: 4px 0 0 4px; font-size: 14px; }
.search-form input:focus { outline: none; }
.search-form button { background: var(--primary); border: none; color: #fff; padding: 0 18px; border-radius: 0 4px 4px 0; cursor: pointer; font-weight: bold; }
.header-actions { display: flex; align-items: center; gap: 18px; }
.header-actions a { display: flex; flex-direction: column; align-items: center; font-size: 11px; color: var(--dark); font-weight: 600; position: relative; }
.header-actions .icon { font-size: 20px; }
.cart-badge { position: absolute; top: -6px; right: -10px; background: var(--accent); color: #fff; font-size: 10px; font-weight: bold; border-radius: 50%; width: 18px; height: 18px; display: flex; align-items: center; justify-content: center; }

/* ---------- Category Nav ---------- */
.category-nav { background: var(--primary); }
.category-nav ul { display: flex; overflow-x: auto; }
.category-nav a { display: block; padding: 10px 16px; color: #fff; font-size: 13px; font-weight: 600; white-space: nowrap; }
.category-nav a:hover { background: var(--primary-dark); }

/* ---------- Hero ---------- */
.hero { background: linear-gradient(120deg, var(--primary-dark), var(--primary)); color: #fff; padding: 40px 0; margin-bottom: 24px; }
.hero .container { display: flex; flex-direction: column; gap: 10px; text-align: center; }
.hero h1 { font-size: 26px; font-weight: 800; }
.hero p { font-size: 14px; opacity: 0.9; }

/* ---------- Section Heading ---------- */
.section { padding: 20px 0; }
.section-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; border-bottom: 3px solid var(--primary); padding-bottom: 8px; }
.section-heading h2 { font-size: 18px; font-weight: 800; color: var(--dark); text-transform: uppercase; letter-spacing: 0.5px; }
.section-heading h2 span { color: var(--primary); }
.section-heading a.view-all { font-size: 13px; font-weight: 700; color: var(--primary); }

/* ---------- Category Chips (Home) ---------- */
.category-chips { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 6px; }
.category-chip { flex: 0 0 auto; background: #fff; border: 1px solid var(--border); padding: 10px 18px; border-radius: 30px; font-size: 13px; font-weight: 600; color: var(--dark); }
.category-chip:hover { border-color: var(--primary); color: var(--primary); }

/* ---------- Product Grid ---------- */
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.product-card { background: #fff; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; position: relative; transition: box-shadow .2s, transform .2s; display: flex; flex-direction: column; }
.product-card:hover { box-shadow: 0 6px 18px rgba(0,0,0,0.1); transform: translateY(-2px); }
.product-card .badge-new { position: absolute; top: 8px; left: 8px; background: var(--accent); color: #fff; font-size: 10px; font-weight: 800; padding: 3px 8px; border-radius: 3px; text-transform: uppercase; z-index: 2; }
.product-card .badge-sale { position: absolute; top: 8px; right: 8px; background: var(--danger); color: #fff; font-size: 10px; font-weight: 800; padding: 3px 8px; border-radius: 3px; z-index: 2; }
.product-card .img-wrap { aspect-ratio: 1 / 1; background: #f3f4f6; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.product-card .img-wrap img { width: 100%; height: 100%; object-fit: contain; padding: 10px; }
.product-card .info { padding: 10px 12px 12px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.product-card .cat-label { font-size: 10px; color: var(--gray); text-transform: uppercase; font-weight: 700; letter-spacing: 0.4px; }
.product-card .name { font-size: 13px; font-weight: 700; color: var(--dark); line-height: 1.3; min-height: 34px; }
.product-card .price-row { display: flex; align-items: baseline; gap: 6px; margin-top: 2px; }
.product-card .price { font-size: 15px; font-weight: 800; color: var(--primary); }
.product-card .old-price { font-size: 12px; color: var(--gray); text-decoration: line-through; }
.product-card .btn-add { margin-top: 8px; background: var(--primary); color: #fff; border: none; padding: 9px; border-radius: 4px; font-weight: 700; font-size: 12px; cursor: pointer; text-transform: uppercase; letter-spacing: 0.3px; }
.product-card .btn-add:hover { background: var(--primary-dark); }
.product-card .btn-add:disabled { background: var(--gray); cursor: not-allowed; }

/* ---------- Shop Layout (filters + grid) ---------- */
.shop-layout { display: flex; flex-direction: column; gap: 20px; }
.filters-panel { background: #fff; border: 1px solid var(--border); border-radius: 6px; padding: 16px; height: fit-content; }
.filters-panel h4 { font-size: 13px; text-transform: uppercase; color: var(--dark); margin-bottom: 10px; padding-bottom: 8px; border-bottom: 2px solid var(--primary); letter-spacing: 0.4px; }
.filter-group { margin-bottom: 18px; }
.filter-group label.filter-item { display: flex; align-items: center; gap: 8px; font-size: 13px; margin-bottom: 8px; color: var(--dark); cursor: pointer; }
.filter-group input[type="number"] { width: 100%; padding: 8px; border: 1px solid var(--border); border-radius: 4px; font-size: 13px; margin-bottom: 6px; }
.btn-filter { width: 100%; background: var(--primary); color: #fff; border: none; padding: 10px; border-radius: 4px; font-weight: 700; cursor: pointer; font-size: 13px; }
.btn-clear { width: 100%; background: #fff; color: var(--gray); border: 1px solid var(--border); padding: 9px; border-radius: 4px; font-weight: 600; cursor: pointer; font-size: 12px; margin-top: 6px; }
.sort-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; flex-wrap: wrap; gap: 8px; background: #fff; border: 1px solid var(--border); padding: 10px 14px; border-radius: 6px; }
.sort-bar select { padding: 7px 10px; border: 1px solid var(--border); border-radius: 4px; font-size: 13px; }
.result-count { font-size: 13px; color: var(--gray); }

/* ---------- Product Detail Page ---------- */
.product-detail { display: flex; flex-direction: column; gap: 24px; background: #fff; border: 1px solid var(--border); border-radius: 6px; padding: 20px; }
.product-detail .gallery { background: #f3f4f6; border-radius: 6px; aspect-ratio: 1/1; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.product-detail .gallery img { width: 100%; height: 100%; object-fit: contain; padding: 20px; }
.product-detail h1 { font-size: 22px; font-weight: 800; margin-bottom: 8px; }
.product-detail .meta { font-size: 13px; color: var(--gray); margin-bottom: 10px; }
.product-detail .price-block { font-size: 26px; font-weight: 800; color: var(--primary); margin: 10px 0; }
.product-detail .price-block .old-price { font-size: 16px; color: var(--gray); text-decoration: line-through; margin-left: 10px; font-weight: 500; }
.product-detail .stock-status { font-size: 13px; font-weight: 700; margin-bottom: 14px; }
.stock-status.in { color: var(--primary); }
.stock-status.out { color: var(--danger); }
.qty-selector { display: flex; align-items: center; gap: 10px; margin: 16px 0; }
.qty-selector button { width: 34px; height: 34px; border: 1px solid var(--border); background: #fff; font-size: 16px; cursor: pointer; border-radius: 4px; }
.qty-selector input { width: 60px; text-align: center; padding: 8px; border: 1px solid var(--border); border-radius: 4px; }
.product-detail .description-block { margin-top: 20px; border-top: 1px solid var(--border); padding-top: 16px; font-size: 14px; color: var(--dark); white-space: pre-wrap; }

/* ---------- Buttons (generic) ---------- */
.btn { display: inline-block; padding: 12px 20px; border-radius: 4px; font-weight: 700; cursor: pointer; border: none; font-size: 14px; text-align: center; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: #fff; border: 2px solid var(--primary); color: var(--primary); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-sm { padding: 7px 12px; font-size: 12px; }
.btn-block { width: 100%; }

/* ---------- Status Badges (order status, cancellation flags, etc.) ---------- */
.badge { display: inline-block; padding: 3px 9px; border-radius: 3px; font-size: 10.5px; font-weight: 700; text-transform: uppercase; }
.badge-green { background: #dcfce7; color: #166534; }
.badge-gray { background: #e5e7eb; color: #374151; }
.badge-gold { background: #fef3c7; color: #92400e; }
.badge-red { background: #fee2e2; color: #991b1b; }
.badge-blue { background: #dbeafe; color: #1e40af; }

/* ---------- Cart Page ---------- */
.cart-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.cart-table th, .cart-table td { padding: 12px; border-bottom: 1px solid var(--border); font-size: 13px; text-align: left; vertical-align: middle; }
.cart-table th { background: var(--primary-light); color: var(--primary-dark); text-transform: uppercase; font-size: 11px; letter-spacing: 0.4px; }
.cart-product { display: flex; align-items: center; gap: 10px; }
.cart-product img { width: 50px; height: 50px; object-fit: contain; background: #f3f4f6; border-radius: 4px; }
.cart-qty-input { width: 60px; padding: 6px; border: 1px solid var(--border); border-radius: 4px; text-align: center; }
.cart-remove { color: var(--danger); font-weight: 700; font-size: 12px; cursor: pointer; background: none; border: none; }
.cart-summary { background: #fff; border: 1px solid var(--border); border-radius: 6px; padding: 18px; margin-top: 16px; max-width: 380px; margin-left: auto; }
.cart-summary .row { display: flex; justify-content: space-between; font-size: 14px; margin-bottom: 10px; }
.cart-summary .total-row { font-size: 18px; font-weight: 800; color: var(--primary); border-top: 1px solid var(--border); padding-top: 10px; }

/* ---------- Checkout ---------- */
.checkout-layout { display: flex; flex-direction: column; gap: 20px; }
.checkout-form { background: #fff; border: 1px solid var(--border); border-radius: 6px; padding: 20px; }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; color: var(--dark); }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 4px; font-size: 14px; }
.payment-options { display: flex; flex-direction: column; gap: 10px; }
.payment-option { border: 2px solid var(--border); border-radius: 6px; padding: 12px; display: flex; align-items: flex-start; gap: 10px; cursor: pointer; }
.payment-option.selected, .payment-option:has(input:checked) { border-color: var(--primary); background: var(--primary-light); }
.payment-option input { margin-top: 3px; }
.payment-option .p-title { font-weight: 700; font-size: 14px; }
.payment-option .p-desc { font-size: 12px; color: var(--gray); }
.order-summary-box { background: #fff; border: 1px solid var(--border); border-radius: 6px; padding: 18px; height: fit-content; }
.order-summary-box .item-row { display: flex; justify-content: space-between; font-size: 13px; padding: 8px 0; border-bottom: 1px solid var(--border); }

/* ---------- Alerts ---------- */
.alert { padding: 12px 16px; border-radius: 4px; font-size: 13px; margin-bottom: 16px; }
.alert-success { background: #dcfce7; color: #166534; border: 1px solid #86efac; }
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.alert-empty { text-align: center; padding: 40px 20px; color: var(--gray); background: #fff; border-radius: 6px; border: 1px dashed var(--border); }

/* ---------- Footer ---------- */
footer.site-footer { background: var(--dark); color: #d1d5db; margin-top: 40px; padding: 30px 0 14px; font-size: 13px; }
footer.site-footer .footer-grid { display: grid; grid-template-columns: 1fr; gap: 20px; margin-bottom: 20px; }
footer.site-footer h4 { color: #fff; font-size: 14px; margin-bottom: 10px; }
footer.site-footer ul li { margin-bottom: 6px; }
footer.site-footer .bottom-bar { border-top: 1px solid #374151; padding-top: 14px; text-align: center; font-size: 12px; color: #9ca3af; }

/* ---------- Order Success ---------- */
.order-success-box { background: #fff; border: 1px solid var(--border); border-radius: 6px; padding: 30px; text-align: center; max-width: 500px; margin: 30px auto; }
.order-success-box .check-icon { font-size: 48px; color: var(--primary); margin-bottom: 10px; }
.order-success-box h2 { font-size: 20px; margin-bottom: 8px; }
.order-success-box .ref { font-weight: 800; color: var(--primary); font-size: 16px; margin: 10px 0; }

/* ---------- Responsive: Tablet & Desktop ---------- */
@media (min-width: 640px) {
    .product-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 768px) {
    .checkout-layout { flex-direction: row; }
    .checkout-form { flex: 2; }
    .order-summary-box { flex: 1; }
}
@media (min-width: 900px) {
    .shop-layout { flex-direction: row; }
    .filters-panel { width: 240px; flex-shrink: 0; }
    .shop-results { flex: 1; }
    .product-grid { grid-template-columns: repeat(4, 1fr); }
    footer.site-footer .footer-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 1100px) {
    .product-detail { flex-direction: row; }
    .product-detail .gallery { flex: 1; }
    .product-detail .info-col { flex: 1; }
}