CategoriesList: apply draggable effects

src/pages/menu/components/CategoriesList/CategoriesList.module.css

@@ -120,6 +120,25 @@
   gap: 0.5rem;
   padding: 0.5rem 1rem 1rem 1rem;
   margin-bottom: 0.5rem;
+  cursor: grab;
+  user-select: none;
+}
+
+.categoriesContainer:active {
+  cursor: grabbing;
+}
+
+.categoriesContainer::-webkit-scrollbar {
+  display: none;
+}
+
+/* Smooth scrolling for drag interactions */
+.categoriesContainer.dragging {
+  scroll-behavior: auto;
+}
+
+.categoriesContainer.dragging * {
+  pointer-events: none;
 }
 
 /* Enhanced responsive categories container */

src/pages/menu/components/CategoriesList/CategoriesList.tsx

@@ -2,7 +2,7 @@ import { Card, Grid, Space } from "antd";
 import ImageWithFallback from "components/ImageWithFallback";
 import ProText from "components/ProText";
 import { useScrollHandler } from "contexts/ScrollHandlerContext";
-import { useCallback, useEffect } from "react";
+import { useCallback, useEffect, useRef } from "react";
 import { useAppSelector } from "redux/hooks";
 import { colors } from "ThemeConstants";
 import { default_image } from "utils/constants";
@@ -26,6 +26,11 @@ export function CategoriesList({ categories }: CategoriesListProps) {
   } = useScrollHandler();
   const { isRTL } = useAppSelector((state) => state.locale);
   
+  // Drag scroll functionality
+  const isDragging = useRef(false);
+  const startX = useRef(0);
+  const scrollLeft = useRef(0);
+
   const getCategoryCardStyle = useCallback(() => {
     if (xs) {
       return {
@@ -55,11 +60,11 @@ export function CategoriesList({ categories }: CategoriesListProps) {
   // Function to scroll category card into view when active category changes automatically
   const scrollCategoryCardIntoView = useCallback((categoryId: number) => {
     const categoryCard = document.querySelector(
-      `[data-category-id="${categoryId}"]`
+      `[data-category-id="${categoryId}"]`,
     );
     if (categoryCard) {
       const categoriesContainer = categoryCard.closest(
-        `.${styles.categoriesContainer}`
+        `.${styles.categoriesContainer}`,
       );
       if (categoriesContainer) {
         const cardElement = categoryCard as HTMLElement;
@@ -93,6 +98,60 @@ export function CategoriesList({ categories }: CategoriesListProps) {
     }
   }, [activeCategory, scrollCategoryCardIntoView]);
 
+  // Drag scroll event handlers
+  const handleMouseDown = useCallback((e: React.MouseEvent) => {
+    const container = categoriesContainerRef?.current;
+    if (!container) return;
+
+    isDragging.current = true;
+    startX.current = e.pageX - container.offsetLeft;
+    scrollLeft.current = container.scrollLeft;
+    
+    // Prevent text selection during drag
+    e.preventDefault();
+  }, [categoriesContainerRef]);
+
+  const handleMouseMove = useCallback((e: React.MouseEvent) => {
+    const container = categoriesContainerRef?.current;
+    if (!container || !isDragging.current) return;
+
+    e.preventDefault();
+    const x = e.pageX - container.offsetLeft;
+    const walk = (x - startX.current) * 2; // Multiply for faster scrolling
+    container.scrollLeft = scrollLeft.current - walk;
+  }, [categoriesContainerRef]);
+
+  const handleMouseUp = useCallback(() => {
+    isDragging.current = false;
+  }, []);
+
+  const handleMouseLeave = useCallback(() => {
+    isDragging.current = false;
+  }, []);
+
+  // Touch event handlers for mobile
+  const handleTouchStart = useCallback((e: React.TouchEvent) => {
+    const container = categoriesContainerRef?.current;
+    if (!container) return;
+
+    isDragging.current = true;
+    startX.current = e.touches[0].pageX - container.offsetLeft;
+    scrollLeft.current = container.scrollLeft;
+  }, [categoriesContainerRef]);
+
+  const handleTouchMove = useCallback((e: React.TouchEvent) => {
+    const container = categoriesContainerRef?.current;
+    if (!container || !isDragging.current) return;
+
+    const x = e.touches[0].pageX - container.offsetLeft;
+    const walk = (x - startX.current) * 2;
+    container.scrollLeft = scrollLeft.current - walk;
+  }, [categoriesContainerRef]);
+
+  const handleTouchEnd = useCallback(() => {
+    isDragging.current = false;
+  }, []);
+
   return (
     <>
       <div
@@ -101,12 +160,24 @@ export function CategoriesList({ categories }: CategoriesListProps) {
           isCategoriesSticky ? styles.categoriesSticky : ""
         }`}
         style={!isCategoriesSticky ? { paddingTop: "1rem" } : {}}
+        onMouseDown={handleMouseDown}
+        onMouseMove={handleMouseMove}
+        onMouseUp={handleMouseUp}
+        onMouseLeave={handleMouseLeave}
+        onTouchStart={handleTouchStart}
+        onTouchMove={handleTouchMove}
+        onTouchEnd={handleTouchEnd}
       >
         {categories?.map((category) => (
           <div key={category.id}>
             <Card
               key={category.id}
-              onClick={() => {
+              onClick={(e) => {
+                // Prevent click if we were dragging
+                if (isDragging.current) {
+                  e.preventDefault();
+                  return;
+                }
                 scrollToCategory(category.id);
               }}
               data-category-id={category.id}

src/pages/menu/page.tsx

@@ -56,7 +56,7 @@ function MenuPage() {
         orderType={orderType || ""}
       />
 
-      {!isLoading ? (
+      {isLoading ? (
         <MenuSkeleton categoryCount={10} itemCount={30} variant="default" />
       ) : (
         <div className={styles.menuContainer}>