превью относительно готово

app/Repositories/ProductRepository.php

@@ -47,6 +47,9 @@ final class ProductRepository extends BaseRepository
     {
         $limit = max(1, min($limit, 96));
         $categoryIds = (new CategoryRepository())->descendantIds($categoryId);
+        $categoryParents = $this->categoryParentMap();
+        $requestedRootId = $this->rootCategoryId($categoryId, $categoryParents);
+        $isRootCategory = ($categoryParents[$categoryId] ?? null) === null;
         $placeholders = implode(',', array_fill(0, count($categoryIds), '?'));
         $sql = $this->previewSelectSql(
             'AND (
@@ -67,13 +70,37 @@ final class ProductRepository extends BaseRepository
                     )
                 )
              ORDER BY p.sort_order, p.name',
-            $limit
+            5000
         );
 
         $statement = $this->pdo()->prepare($sql);
         $statement->execute(array_merge($categoryIds, $categoryIds));
 
-        return $this->preparePreviewProducts($statement->fetchAll());
+        $categoryLookup = array_flip($categoryIds);
+        $products = $this->preparePreviewProducts($statement->fetchAll());
+        $filtered = [];
+
+        foreach ($products as $product) {
+            $leafCategoryIds = $product['category_display_ids'] ?? [];
+            $leafRootIds = $product['category_display_root_ids'] ?? [];
+
+            if ($leafCategoryIds === []) {
+                if (isset($categoryLookup[(int) ($product['category_id'] ?? 0)])) {
+                    $filtered[] = $product;
+                }
+            } elseif (
+                array_intersect($leafCategoryIds, $categoryIds) !== []
+                && (!$isRootCategory || array_values(array_unique($leafRootIds)) === [$requestedRootId])
+            ) {
+                $filtered[] = $product;
+            }
+
+            if (count($filtered) >= $limit) {
+                break;
+            }
+        }
+
+        return $filtered;
     }
 
     /**
@@ -236,6 +263,7 @@ final class ProductRepository extends BaseRepository
                     p.seo_title,
                     p.seo_description,
                     p.seo_keywords,
+                    p.category_id,
                     c.name AS category_name,
                     c.slug AS category_slug,
                     p.main_image_path,
@@ -351,6 +379,7 @@ final class ProductRepository extends BaseRepository
         }
 
         $categoryParents = $this->categoryParentMap();
+        $categoryRoots = $this->categoryRootMap($categoryParents);
 
         foreach ($products as &$product) {
             $linkedCategories = $categoriesByProduct[(int) $product['id']] ?? [];
@@ -373,6 +402,11 @@ final class ProductRepository extends BaseRepository
             });
 
             $names = array_values(array_unique(array_map(static fn (array $category): string => $category['name'], $leafCategories)));
+            $product['category_display_ids'] = array_values(array_map(static fn (array $category): int => (int) $category['id'], $leafCategories));
+            $product['category_display_root_ids'] = array_values(array_unique(array_map(
+                static fn (array $category): int => (int) ($categoryRoots[(int) $category['id']] ?? $category['id']),
+                $leafCategories
+            )));
             $product['category_display_name'] = $names === []
                 ? ($product['category_name'] ?? 'Каталог')
                 : implode(' / ', $names);
@@ -398,6 +432,37 @@ final class ProductRepository extends BaseRepository
         return $parents;
     }
 
+    /**
+     * @param array<int, int|null> $categoryParents
+     * @return array<int, int>
+     */
+    private function categoryRootMap(array $categoryParents): array
+    {
+        $roots = [];
+
+        foreach (array_keys($categoryParents) as $categoryId) {
+            $roots[$categoryId] = $this->rootCategoryId((int) $categoryId, $categoryParents);
+        }
+
+        return $roots;
+    }
+
+    /**
+     * @param array<int, int|null> $categoryParents
+     */
+    private function rootCategoryId(int $categoryId, array $categoryParents): int
+    {
+        $currentId = $categoryId;
+        $parentId = $categoryParents[$currentId] ?? null;
+
+        while ($parentId !== null) {
+            $currentId = $parentId;
+            $parentId = $categoryParents[$currentId] ?? null;
+        }
+
+        return $currentId;
+    }
+
     /**
      * @param array<int, int> $linkedCategoryIds
      * @param array<int, int|null> $categoryParents

public/assets/css/app.css

@@ -247,6 +247,15 @@ body {
     flex: 0 0 auto;
 }
 
+.mega-item::after {
+    position: absolute;
+    top: 100%;
+    right: -12px;
+    left: -12px;
+    height: 14px;
+    content: "";
+}
+
 .mega-root {
     display: inline-flex;
     align-items: center;
@@ -274,30 +283,31 @@ body {
 
 .mega-submenu {
     position: absolute;
-    top: 100%;
+    top: calc(100% + 8px);
     left: 0;
     z-index: 30;
-    width: 300px;
+    width: min(760px, calc(100vw - 32px));
-    max-height: 72vh;
+    max-height: min(74vh, 680px);
     margin: 0;
-    padding: 12px 10px 10px;
+    padding: 14px;
     border: 1px solid var(--line);
-    border-radius: 8px;
+    border-radius: 10px;
     list-style: none;
     background: var(--paper);
-    box-shadow: 0 22px 60px rgba(23, 61, 44, 0.14);
+    box-shadow: 0 26px 70px rgba(23, 61, 44, 0.18);
-    overflow: visible;
+    overflow: auto;
     opacity: 0;
     visibility: hidden;
     transform: translateY(6px);
     pointer-events: none;
-    transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s ease;
+    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
 }
 
 .mega-item:hover > .mega-submenu,
 .mega-item:focus-within > .mega-submenu {
-    display: grid;
+    display: block;
-    gap: 4px;
+    columns: 3 190px;
+    column-gap: 14px;
     opacity: 1;
     visibility: visible;
     transform: translateY(0);
@@ -306,11 +316,16 @@ body {
 
 .mega-submenu li {
     position: relative;
+    break-inside: avoid;
+    margin: 0 0 4px;
+    border-bottom: 1px solid #edf1e9;
+    padding-bottom: 4px;
 }
 
 .mega-submenu a {
     display: flex;
     align-items: center;
+    justify-content: space-between;
     min-height: 32px;
     border-radius: 7px;
     padding: 7px 9px;
@@ -327,11 +342,29 @@ body {
 
 .mega-submenu.depth-2,
 .mega-submenu.depth-3 {
-    top: -10px;
+    top: 0;
+    left: calc(100% + 8px);
+    width: min(620px, calc(100vw - 32px));
+    max-height: min(70vh, 560px);
+    overflow: auto;
+    columns: 2 180px;
+    transform: translateX(8px);
+}
+
+.mega-submenu li:has(> .mega-submenu) > a::after {
+    flex: 0 0 auto;
+    margin-left: 10px;
+    color: #9aa894;
+    content: "›";
+}
+
+.mega-submenu li:has(> .mega-submenu)::after {
+    position: absolute;
+    top: -8px;
+    bottom: -8px;
     left: 100%;
-    max-height: min(70vh, 520px);
+    width: 14px;
-    overflow: visible;
+    content: "";
-    transform: translateX(6px);
 }
 
 .mega-item:nth-last-child(-n+3) > .mega-submenu {
@@ -348,8 +381,7 @@ body {
 
 .mega-submenu li:hover > .mega-submenu,
 .mega-submenu li:focus-within > .mega-submenu {
-    display: grid;
+    display: block;
-    gap: 4px;
     opacity: 1;
     visibility: visible;
     transform: translateX(0);
@@ -1081,21 +1113,23 @@ a:hover {
 }
 
 .product-card .product-category {
-    display: flex;
+    display: -webkit-box;
-    align-items: flex-start;
     overflow: hidden;
+    height: 32px;
     margin-bottom: 8px;
     font-size: 12px;
     line-height: 1.2;
     font-weight: 700;
     text-transform: uppercase;
     color: #7a856f;
+    -webkit-line-clamp: 2;
+    -webkit-box-orient: vertical;
 }
 
 .product-card h3 {
     display: -webkit-box;
     overflow: hidden;
-    min-height: 50px;
+    height: 58px;
     margin-bottom: 12px;
     line-height: 1.22;
     -webkit-line-clamp: 3;
@@ -1103,31 +1137,51 @@ a:hover {
 }
 
 .price-line {
-    display: flex;
-    flex-wrap: wrap;
-    gap: 4px 6px;
-    align-items: baseline;
-    min-height: 22px;
-    margin-bottom: 6px;
-    font-size: 14px;
-    color: #2d372f;
-}
-
-.package-price-line {
-    position: relative;
     display: grid;
     grid-template-columns: minmax(0, 1fr) auto 22px;
     gap: 6px;
     align-items: center;
     min-height: 30px;
+    margin-bottom: 6px;
+    font-size: 14px;
+    color: #2d372f;
+}
+
+.price-unit-label {
+    overflow: hidden;
+    min-width: 0;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+}
+
+.price-unit-values {
+    display: inline-flex;
+    gap: 6px;
+    align-items: baseline;
+    justify-content: flex-end;
+    min-width: 0;
+    color: var(--brand-green);
+    white-space: nowrap;
+}
+
+.package-price-line {
+    position: relative;
+    display: grid;
+    grid-template-columns: minmax(0, 1fr) auto;
+    gap: 6px;
+    align-items: center;
+    min-height: 36px;
     border-top: 1px solid #e3e8de;
     padding-top: 10px;
     font-size: 14px;
 }
 
 .package-price-label {
+    overflow: hidden;
     min-width: 0;
     color: #2d372f;
+    text-overflow: ellipsis;
+    white-space: nowrap;
 }
 
 .package-price-values {
@@ -1160,9 +1214,10 @@ a:hover {
 
 .variant-choice {
     display: grid;
+    grid-template-rows: auto 34px;
     align-self: start;
     gap: 7px;
-    min-height: 76px;
+    height: 76px;
     margin: 0 0 12px;
     border-top: 0;
     border-bottom: 1px solid #edf1e9;
@@ -1177,14 +1232,19 @@ a:hover {
 
 .variant-choice-list {
     display: flex;
-    flex-wrap: wrap;
+    flex-wrap: nowrap;
     gap: 6px;
     align-items: flex-start;
-    min-height: 32px;
+    min-width: 0;
+    min-height: 34px;
+    overflow-x: auto;
+    overflow-y: hidden;
+    scrollbar-width: thin;
 }
 
 .variant-choice-button {
     appearance: none;
+    flex: 0 0 auto;
     max-width: 100%;
     box-sizing: border-box;
     min-height: 30px;
@@ -1230,6 +1290,13 @@ a:hover {
     background: #102f21;
 }
 
+.add-to-cart-button.is-added {
+    color: #102f21;
+    background: #dcebd3;
+    box-shadow: inset 0 0 0 2px var(--brand-green), 0 0 0 4px rgba(23, 61, 44, 0.12);
+    transform: translateY(-1px);
+}
+
 .product-card-actions {
     display: grid;
     grid-template-columns: minmax(96px, 0.44fr) minmax(0, 1fr);
@@ -1334,7 +1401,7 @@ body[data-payment-mode="cash"] .price-tier-trigger {
     transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
 }
 
-body[data-payment-mode="cash"] .package-price-line:has(.price-tier-trigger:hover) + .price-tier-popover,
+body[data-payment-mode="cash"] .price-line:has(.price-tier-trigger:hover) ~ .price-tier-popover,
 body[data-payment-mode="cash"] .price-tier-popover:hover {
     opacity: 1;
     visibility: visible;
@@ -1628,6 +1695,26 @@ body[data-payment-mode="cash"] .price-tier-popover:hover {
     font-size: 18px;
 }
 
+.cart-summary-saving {
+    border: 1px solid rgba(23, 61, 44, 0.16);
+    border-radius: 8px;
+    padding: 12px;
+    color: var(--brand-green);
+    background: #eef6e9;
+}
+
+.cart-summary-saving dt {
+    font-size: 16px;
+    font-weight: 900;
+    color: var(--brand-green);
+}
+
+.cart-summary-saving dd {
+    font-size: 26px;
+    line-height: 1;
+    color: var(--brand-red);
+}
+
 .cart-summary p {
     font-size: 14px;
     color: var(--muted);
@@ -2381,6 +2468,7 @@ body[data-payment-mode="cash"] .price-tier-popover:hover {
 
     .mega-submenu {
         width: min(320px, calc(100vw - 32px));
+        columns: 1;
     }
 
     .mega-submenu.depth-2,
@@ -2389,6 +2477,7 @@ body[data-payment-mode="cash"] .price-tier-popover:hover {
         width: 100%;
         max-height: none;
         margin-top: 4px;
+        columns: 1;
         box-shadow: none;
     }
 

views/layouts/main.php

@@ -287,19 +287,24 @@ try {
 
             const updateCardPrices = (card) => {
                 const packageNode = card.querySelector('[data-dynamic-package-price]');
+                const unitNode = card.querySelector('[data-dynamic-unit-price]');
                 updateDynamicPrices(card);
 
-                if (packageNode) {
+                if (unitNode || packageNode) {
-                    const base = Number(packageNode.dataset.basePackagePrice || 0);
+                    const unitBase = Number(unitNode?.dataset.baseUnitPrice || 0);
+                    const packageBase = Number(packageNode?.dataset.basePackagePrice || 0);
+                    const base = unitBase > 0 ? unitBase : packageBase;
 
                     const tiers = tierValues(base);
                     const tierBase = card.querySelector('[data-tier-base]');
                     const tierCash20 = card.querySelector('[data-tier-cash-20]');
                     const tierCash50 = card.querySelector('[data-tier-cash-50]');
+                    const tierUnitLabel = card.querySelector('[data-tier-unit-label]');
 
                     if (tierBase) tierBase.textContent = formatRub(tiers.base);
                     if (tierCash20) tierCash20.textContent = formatRub(tiers.cash20);
                     if (tierCash50) tierCash50.textContent = formatRub(tiers.cash50);
+                    if (tierUnitLabel) tierUnitLabel.textContent = card.querySelector('[data-unit-label]')?.textContent || 'шт.';
                 }
 
             };
@@ -327,9 +332,12 @@ try {
                 const baseTotalNode = cartPage.querySelector('[data-cart-base-total]');
                 const totalNode = cartPage.querySelector('[data-cart-current-total]');
                 const modeNode = cartPage.querySelector('[data-cart-current-mode]');
+                const savingRow = cartPage.querySelector('[data-cart-saving-row]');
+                const savingNode = cartPage.querySelector('[data-cart-saving-total]');
                 const items = getCartItems();
                 const baseTotal = cartBaseTotal(items);
                 const currentTotal = Math.floor(baseTotal * priceMode().multiplier);
+                const savingTotal = Math.max(0, baseTotal - currentTotal);
 
                 if (emptyNode) {
                     emptyNode.hidden = items.length !== 0;
@@ -371,6 +379,14 @@ try {
                 if (modeNode) {
                     modeNode.textContent = priceMode().label;
                 }
+
+                if (savingRow) {
+                    savingRow.hidden = savingTotal <= 0;
+                }
+
+                if (savingNode) {
+                    savingNode.textContent = formatRub(savingTotal);
+                }
             };
 
             const updateModeButtons = () => {
@@ -497,8 +513,10 @@ try {
 
                 saveCartItems(items);
                 updateAllPrices();
+                addButton.classList.add('is-added');
                 addButton.textContent = 'Добавлено';
                 window.setTimeout(() => {
+                    addButton.classList.remove('is-added');
                     addButton.textContent = 'В корзину';
                 }, 1200);
             });

views/pages/cart.php

@@ -31,6 +31,10 @@
                     <dt>Текущий режим</dt>
                     <dd data-cart-current-mode>Наличные</dd>
                 </div>
+                <div class="cart-summary-saving" data-cart-saving-row hidden>
+                    <dt>Ваша выгода</dt>
+                    <dd data-cart-saving-total>0 руб.</dd>
+                </div>
                 <div class="cart-summary-total">
                     <dt>Сумма к расчету</dt>
                     <dd data-cart-current-total>0 руб.</dd>

views/partials/product-card.php

@@ -29,6 +29,8 @@ $activeOldUnitPrice = ($activeOldPackagePrice !== null && $activePackageQuantity
 if ($activeOldUnitPrice !== null && $activeOldUnitPrice <= $activeUnitPrice) {
     $activeOldUnitPrice = null;
 }
+$activeTierBase = $activeUnitPrice ?? $activePackagePrice;
+$activeTierUnit = unit_label((string) ($activeVariant['unit'] ?? '')) ?: 'шт.';
 ?>
 <article
     class="product-card price-aware"
@@ -97,10 +99,13 @@ if ($activeOldUnitPrice !== null && $activeOldUnitPrice <= $activeUnitPrice) {
 
     <?php if ($activeVariant['price_per_unit'] !== null): ?>
         <span class="price-line">
-            Цена за <span data-unit-label><?= e(unit_label((string) $activeVariant['unit'])) ?></span>:
+            <span class="price-unit-label">Цена за <span data-unit-label><?= e(unit_label((string) $activeVariant['unit'])) ?></span>:</span>
+            <span class="price-unit-values">
                 <span class="old-price" data-old-unit-price-display<?= $activeOldUnitPrice === null ? ' hidden' : '' ?>><?= e(money_label($activeOldUnitPrice)) ?></span>
                 <b data-price-unit data-dynamic-unit-price data-base-unit-price="<?= e((string) $activeUnitPrice) ?>"><?= e(money_label($activeVariant['price_per_unit'])) ?></b>
             </span>
+            <button class="price-tier-trigger" type="button" aria-label="Показать градацию цены">?</button>
+        </span>
     <?php endif; ?>
 
     <?php if ($activeVariant['package_price'] !== null): ?>
@@ -110,7 +115,6 @@ if ($activeOldUnitPrice !== null && $activeOldUnitPrice <= $activeUnitPrice) {
                 <span class="old-price" data-old-package-price-display<?= $activeOldPackagePrice === null ? ' hidden' : '' ?>><?= e(money_label($activeOldPackagePrice)) ?></span>
                 <span data-package-price data-dynamic-package-price data-base-package-price="<?= e((string) $activePackagePrice) ?>"><?= e(money_label($activeVariant['package_price'])) ?></span>
             </span>
-            <button class="price-tier-trigger" type="button" aria-label="Показать градацию цены">?</button>
         </strong>
         <?php if ($activeVariant['price_per_unit'] !== null): ?>
             <span class="package-price-note">Цена за <span data-unit-label-note><?= e(unit_label((string) $activeVariant['unit'])) ?></span> × <span data-package-label-note><?= e((string) $activeVariant['name']) ?></span></span>
@@ -118,11 +122,11 @@ if ($activeOldUnitPrice !== null && $activeOldUnitPrice <= $activeUnitPrice) {
     <?php endif; ?>
 
     <div class="price-tier-popover" role="tooltip">
-        <strong>Варианты цены за наличный расчет:</strong>
+        <strong>Варианты цены за <span data-tier-unit-label><?= e($activeTierUnit) ?></span> при наличном расчете:</strong>
         <dl>
-            <div><dt>Базовая цена</dt><dd data-tier-base><?= e(money_label($activePackagePrice)) ?></dd></div>
+            <div><dt>Базовая цена</dt><dd data-tier-base><?= e(money_label($activeTierBase)) ?></dd></div>
-            <div><dt>При заказе от 20 000р.</dt><dd data-tier-cash-20><?= e(money_label(floor($activePackagePrice * 0.95))) ?></dd></div>
+            <div><dt>При заказе от 20 000р.</dt><dd data-tier-cash-20><?= e(money_label(floor($activeTierBase * 0.95))) ?></dd></div>
-            <div><dt>При заказе от 50 000р.</dt><dd data-tier-cash-50><?= e(money_label(floor($activePackagePrice * 0.93))) ?></dd></div>
+            <div><dt>При заказе от 50 000р.</dt><dd data-tier-cash-50><?= e(money_label(floor($activeTierBase * 0.93))) ?></dd></div>
         </dl>
     </div>