Blackbox Agent
214 lines
8.6 KiB
TypeScript
214 lines
8.6 KiB
TypeScript
"use client";
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import { useState, useEffect } from "react";
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import Navbar from "@/components/Navbar";
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import CartProduct from "@/components/CartProduct";
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import { MENU_CATEGORIES, MOCK_PRODUCTS } from "@/lib/constants";
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import { useMenu } from "@/lib/menu-context";
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import { useCart } from "@/lib/cart-context";
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/**
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* Main page — sidebar + product grid layout.
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*
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* Layout:
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* [Sidebar (sticky, collapsible)] | [Main content (scrollable)]
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*
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* Sidebar state:
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* - Desktop (≥ 1024px): expanded by default
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* - Mobile (< 1024px): collapsed by default
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*
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* Product grid columns (responsive, depends on sidebar state):
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* Collapsed sidebar: 2 → sm:2 → lg:3 → xl:4 → 2xl:5
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* Expanded sidebar: 1 → sm:2 → lg:2 → xl:3 → 2xl:4
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*/
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export default function Home() {
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/* Shared category state comes from MenuContext so the header mobile menu
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* and this sidebar always reflect the same selection. */
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const { activeCategory, setActiveCategory } = useMenu();
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const { addToCart } = useCart();
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/* Start collapsed (false) so SSR and client initial render match.
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* useEffect sets the correct value after hydration completes. */
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const [isSidebarOpen, setIsSidebarOpen] = useState(false);
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const [searchQuery, setSearchQuery] = useState("");
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/* After mount: sync sidebar with viewport width, then subscribe to changes.
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* The initial setIsSidebarOpen call is intentional (post-hydration only)
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* and does not cause cascading renders — suppress the lint rule here. */
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useEffect(() => {
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const mq = window.matchMedia("(min-width: 1024px)");
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// eslint-disable-next-line react-hooks/set-state-in-effect
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setIsSidebarOpen(mq.matches);
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const handler = (e: MediaQueryListEvent) => setIsSidebarOpen(e.matches);
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mq.addEventListener("change", handler);
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return () => mq.removeEventListener("change", handler);
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}, []);
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/* Clear search whenever the active category changes (triggered from either
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* the sidebar on md+ or the header scrollable menu on < md).
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* setState-in-effect is intentional here — suppress the lint rule. */
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useEffect(() => {
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// eslint-disable-next-line react-hooks/set-state-in-effect
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setSearchQuery("");
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}, [activeCategory]);
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/* Filter products by availability, active category, and search query.
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* p.available defaults to true when undefined (opt-in unavailability). */
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const filteredProducts = MOCK_PRODUCTS.filter((p) => {
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const isAvailable = p.available !== false;
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const matchesCategory = activeCategory === "all" || p.category === activeCategory;
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const matchesSearch =
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searchQuery.trim() === "" ||
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p.name.toLowerCase().includes(searchQuery.toLowerCase()) ||
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p.description.toLowerCase().includes(searchQuery.toLowerCase());
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return isAvailable && matchesCategory && matchesSearch;
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});
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/* Active category label */
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const activeCategoryLabel =
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MENU_CATEGORIES.find((c) => c.id === activeCategory)?.name ?? "Tất cả";
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/* Responsive grid class based on sidebar state
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* Base (< 480px) : 1 col — very small phones
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* min-[480px] : 2 cols — larger phones
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* lg+ : 2/3 cols depending on sidebar
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*/
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const gridCols = isSidebarOpen
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? "grid-cols-1 min-[480px]:grid-cols-2 lg:grid-cols-2 xl:grid-cols-3 2xl:grid-cols-4"
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: "grid-cols-1 min-[480px]:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 2xl:grid-cols-5";
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return (
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/* Outer wrapper: flex row, align-items: flex-start so sidebar sticks */
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<div
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className="flex items-start bg-background min-h-[calc(100vh-var(--spacing-header-height))]"
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>
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{/* ── Sidebar ── */}
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<Navbar
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isOpen={isSidebarOpen}
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onToggle={() => setIsSidebarOpen((prev) => !prev)}
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activeCategory={activeCategory}
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onCategoryChange={setActiveCategory}
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/>
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{/* ── Main content ── */}
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<main className="flex-1 min-w-0 px-4 py-6 md:px-6 lg:px-8">
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{/* ── Section heading + search bar ── */}
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<div className="flex flex-col sm:flex-row sm:items-center justify-between gap-3 mb-5">
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{/* Title + count */}
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<div className="shrink-0">
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<h2 className="text-xl font-bold text-foreground">
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{activeCategoryLabel}
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</h2>
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<p className="text-sm text-muted-foreground mt-0.5">
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{filteredProducts.length} món
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</p>
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</div>
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{/* Search input */}
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<div className="relative w-full sm:max-w-xs">
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<i
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className="fa-solid fa-magnifying-glass absolute left-3 top-1/2 -translate-y-1/2
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text-sm text-(--color-text-muted) pointer-events-none"
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></i>
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<input
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type="text"
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value={searchQuery}
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onChange={(e) => setSearchQuery(e.target.value)}
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placeholder="Tìm kiếm món..."
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className="w-full pl-9 pr-9 py-2 text-sm rounded-xl border outline-none
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bg-card text-foreground
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border-border placeholder:text-muted-foreground
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focus:border-primary focus:ring-2
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focus:ring-primary focus:ring-opacity-20
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transition-all duration-150"
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/>
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{/* Clear button */}
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{searchQuery && (
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<button
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onClick={() => setSearchQuery("")}
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title="Xóa tìm kiếm"
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aria-label="Xóa tìm kiếm"
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className="absolute right-3 top-1/2 -translate-y-1/2 text-(--color-text-muted)
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hover:text-(--color-primary) transition-colors duration-150
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cursor-pointer border-none bg-transparent p-0"
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>
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<i className="fa-solid fa-xmark text-sm"></i>
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</button>
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)}
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</div>
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</div>
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{/* ── Mobile category menu — visible only on < md, below search, above products ── */}
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<div className="md:hidden sticky top-18 pt-2 bg-background z-50 -mx-4 px-4 overflow-x-auto mb-4">
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<div className="flex items-center gap-1.5 pb-1">
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{MENU_CATEGORIES.map((cat) => {
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const isActive = activeCategory === cat.id;
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return (
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<button
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key={cat.id}
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onClick={() => setActiveCategory(cat.id)}
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className={`
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flex items-center gap-1.5 px-3 py-2 rounded-xl
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text-sm font-medium whitespace-nowrap shrink-0
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cursor-pointer border-none transition-all duration-150
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${
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isActive
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? "bg-(--color-primary) text-white shadow-sm"
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: "bg-transparent text-(--color-text-secondary) hover:bg-(--color-border-light) hover:text-(--color-primary-dark)"
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}
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`}
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>
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<i
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className={`
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${cat.icon} text-sm shrink-0
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${isActive ? "text-white" : "text-(--color-primary)"}
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`}
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></i>
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<span>{cat.name}</span>
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</button>
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);
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})}
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</div>
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</div>
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{/* ── Product grid ── */}
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{filteredProducts.length > 0 ? (
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<div className={`grid gap-4 ${gridCols}`}>
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{filteredProducts.map((product) => (
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<CartProduct
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key={product.id}
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image={product.image}
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imageAlt={product.name}
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productName={product.name}
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price={product.price}
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description={product.description}
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onBuy={() => addToCart(product)}
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/>
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))}
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</div>
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) : (
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/* Empty state */
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<div className="flex flex-col items-center justify-center py-24 gap-4 text-(--color-text-muted)">
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<i className="fa-solid fa-mug-hot text-5xl opacity-30"></i>
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<p className="text-base font-medium">
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{searchQuery
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? `Không tìm thấy món nào cho "${searchQuery}"`
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: "Chưa có món trong danh mục này"}
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</p>
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{searchQuery && (
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<button
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onClick={() => setSearchQuery("")}
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className="text-sm text-(--color-primary) hover:underline cursor-pointer
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border-none bg-transparent"
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>
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Xóa tìm kiếm
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</button>
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)}
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</div>
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)}
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</main>
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</div>
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);
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}
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