# Sticky Cart

> A cart summary pinned to the side as you scroll, holding items, totals, and a checkout button. Keeps payment in reach on long product and listing pages.

A shadcn/ui block from the [@shadcn-ui-blocks](https://www.shadcn-ui-blocks.com) registry, listed on [shadcn.exchange](https://shadcn.exchange/r/shadcn-ui-blocks/ecommerce-shopping-cart-sticky-cart).

- Page, with a live preview: https://shadcn.exchange/r/shadcn-ui-blocks/ecommerce-shopping-cart-sticky-cart
- Screenshot: https://abzjhwgwpdpz7ua5.public.blob.vercel-storage.com/shots/shadcn-ui-blocks/ecommerce-shopping-cart-sticky-cart-light-78543d8e65705309.png
- Registry item: https://www.shadcn-ui-blocks.com/r/ecommerce-shopping-cart-sticky-cart.json
- Listed: 2026-10-13, source last changed 2026-10-13

## Install

```bash
npx shadcn@latest add https://www.shadcn-ui-blocks.com/r/ecommerce-shopping-cart-sticky-cart.json
```

Run it in a project that has shadcn/ui set up. It adds the files below and installs what they depend on.

## Dependencies

- npm packages: `class-variance-authority`, `lucide-react`, `radix-ui`

## Files

### `components/blocks/ecommerce/shopping-cart/sticky-cart.tsx`

```tsx
import { Button } from '@/components/ui/button';
import {
  Card,
  CardContent,
  CardFooter,
  CardHeader,
  CardTitle,
} from '@/components/ui/card';
import {
  ShoppingCart,
  Trash2,
  Plus,
  Minus,
  CreditCard,
  Package,
  ChevronUp,
  ChevronDown,
} from 'lucide-react';
import { useState } from 'react';
import { Badge } from '@/components/ui/badge';
import { Separator } from '@/components/ui/separator';

interface CartItem {
  id: string;
  name: string;
  price: number;
  originalPrice?: number;
  quantity: number;
  image: string;
  color: string;
  size: string;
  stock: number;
}

export default function StickyCart() {
  const [items, setItems] = useState<CartItem[]>([
    {
      id: '1',
      name: 'Classic Chronograph Watch',
      price: 299.99,
      originalPrice: 399.99,
      quantity: 1,
      image: 'https://images.unsplash.com/photo-1523275335684-37898b6baf30',
      color: 'Black',
      size: 'Standard',
      stock: 5,
    },
    {
      id: '2',
      name: 'Sport Diver Watch',
      price: 199.99,
      quantity: 2,
      image: 'https://images.unsplash.com/photo-1523275335684-37898b6baf30',
      color: 'Blue',
      size: 'Standard',
      stock: 3,
    },
  ]);

  const [isExpanded, setIsExpanded] = useState(true);

  const subtotal = items.reduce(
    (sum, item) => sum + item.price * item.quantity,
    0
  );
  const shipping = subtotal > 200 ? 0 : 5.99;
  const total = subtotal + shipping;

  const updateQuantity = (id: string, change: number) => {
    setItems((prev) =>
      prev.map((item) => {
        if (item.id === id) {
          const newQuantity = Math.max(
            1,
            Math.min(item.stock, item.quantity + change)
          );
          return { ...item, quantity: newQuantity };
        }
        return item;
      })
    );
  };

  const removeItem = (id: string) => {
    setItems((prev) => prev.filter((item) => item.id !== id));
  };

  const totalItems = items.reduce((sum, item) => sum + item.quantity, 0);

  return (
    <>
      {/* Height set for example purpose only */}
      <div className="relative h-[650px] p-6">
        {/* Main content would go here */}
        <div className="text-muted-foreground py-20 text-center">
          Main page content
        </div>

        {/* Sticky Cart */}
        <div className="bg-background fixed right-0 bottom-0 left-0 z-40 border-t shadow-lg">
          {/* Cart Header - Always Visible */}
          <div
            className="flex cursor-pointer items-center justify-between p-4"
            onClick={() => setIsExpanded(!isExpanded)}
          >
            <div className="flex items-center gap-3">
              <div className="relative">
                <ShoppingCart className="h-5 w-5" />
                {items.length > 0 && (
                  <Badge
                    variant="destructive"
                    className="absolute -top-2 -right-2 flex h-5 w-5 items-center justify-center p-0"
                  >
                    {totalItems}
                  </Badge>
                )}
              </div>
              <div>
                <span className="font-medium">Your Cart</span>
                <span className="text-muted-foreground ml-2 text-sm">
                  (${total.toFixed(2)})
                </span>
              </div>
            </div>

            <div className="flex items-center gap-4">
              <Button size="sm" className="hidden sm:flex">
                <CreditCard className="mr-2 h-4 w-4" />
                Checkout
              </Button>
              {isExpanded ? (
                <ChevronDown className="h-5 w-5" />
              ) : (
                <ChevronUp className="h-5 w-5" />
              )}
            </div>
          </div>

          {/* Expandable Cart Content */}
          {isExpanded && (
            <div className="border-t p-4 pt-0">
              <div className="grid grid-cols-1 gap-6 md:grid-cols-3">
                {/* Cart Items */}
                <div className="md:col-span-2">
                  <div className="max-h-[300px] space-y-3 overflow-y-auto">
                    {items.map((item) => (
                      <div
                        key={item.id}
                        className="flex gap-3 border-b py-3 last:border-0"
                      >
                        {/* Product Image */}
                        <div className="relative h-16 w-16 flex-shrink-0 overflow-hidden rounded-md">
                          <img
                            src={item.image}
                            alt={item.name}
                            className="object-cover"
                            sizes="64px"
                          />
                        </div>

                        {/* Product Details */}
                        <div className="min-w-0 flex-1">
                          <div className="flex justify-between">
                            <div>
                              <h3 className="truncate pr-6 text-sm font-medium">
                                {item.name}
                              </h3>
                              <p className="text-muted-foreground text-xs">
                                {item.color} • {item.size}
                              </p>
                            </div>
                            <Button
                              variant="ghost"
                              size="icon"
                              className="h-7 w-7"
                              onClick={() => removeItem(item.id)}
                            >
                              <Trash2 className="h-4 w-4" />
                            </Button>
                          </div>

                          <div className="mt-2 flex items-center justify-between">
                            <div className="flex items-center gap-1">
                              <Button
                                variant="outline"
                                size="icon"
                                className="h-7 w-7"
                                onClick={() => updateQuantity(item.id, -1)}
                              >
                                <Minus className="h-3 w-3" />
                              </Button>
                              <span className="w-7 text-center text-sm">
                                {item.quantity}
                              </span>
                              <Button
                                variant="outline"
                                size="icon"
                                className="h-7 w-7"
                                onClick={() => updateQuantity(item.id, 1)}
                              >
                                <Plus className="h-3 w-3" />
                              </Button>
                            </div>

                            <div className="text-right">
                              <div className="text-sm font-medium">
                                ${(item.price * item.quantity).toFixed(2)}
                              </div>
                              {item.originalPrice && (
                                <div className="text-muted-foreground text-xs line-through">
                                  $
                                  {(item.originalPrice * item.quantity).toFixed(
                                    2
                                  )}
                                </div>
                              )}
                            </div>
                          </div>
                        </div>
                      </div>
                    ))}
                  </div>
                </div>

                {/* Order Summary */}
                <div className="space-y-4">
                  <Card>
                    <CardHeader className="pb-2">
                      <CardTitle className="text-lg">Order Summary</CardTitle>
                    </CardHeader>
                    <CardContent className="space-y-3">
                      <div className="flex justify-between text-sm">
                        <span>Subtotal</span>
                        <span>${subtotal.toFixed(2)}</span>
                      </div>
                      <div className="flex justify-between text-sm">
                        <span>Shipping</span>
                        <span>
                          {shipping === 0 ? 'Free' : `$${shipping.toFixed(2)}`}
                        </span>
                      </div>
                      <Separator />
                      <div className="flex justify-between font-medium">
                        <span>Total</span>
                        <span>${total.toFixed(2)}</span>
                      </div>

                      <div className="text-muted-foreground mt-2 flex items-center gap-2 text-xs">
                        <Package className="h-3 w-3" />
                        <span>Free shipping on orders over $200</span>
                      </div>
                    </CardContent>
                    <CardFooter>
                      <Button className="w-full">
                        <CreditCard className="mr-2 h-4 w-4" />
                        Checkout
                      </Button>
                    </CardFooter>
                  </Card>
                </div>
              </div>
            </div>
          )}
        </div>
      </div>
    </>
  );
}
```

### `components/ui/button.tsx`

```tsx
import * as React from "react"
import { cva, type VariantProps } from "class-variance-authority"
import { Slot } from "radix-ui"

import { cn } from "@/lib/utils"

const buttonVariants = cva(
  "group/button inline-flex shrink-0 items-center justify-center rounded-md border border-transparent bg-clip-padding text-sm font-medium whitespace-nowrap transition-all outline-none select-none focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 active:not-aria-[haspopup]:translate-y-px disabled:pointer-events-none disabled:opacity-50 aria-invalid:border-destructive aria-invalid:ring-3 aria-invalid:ring-destructive/20 dark:aria-invalid:border-destructive/50 dark:aria-invalid:ring-destructive/40 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
  {
    variants: {
      variant: {
        default: "bg-primary text-primary-foreground hover:bg-primary/80",
        outline:
          "border-border bg-background shadow-xs hover:bg-muted hover:text-foreground aria-expanded:bg-muted aria-expanded:text-foreground dark:border-input dark:bg-input/30 dark:hover:bg-input/50",
        secondary:
          "bg-secondary text-secondary-foreground hover:bg-secondary/80 aria-expanded:bg-secondary aria-expanded:text-secondary-foreground",
        ghost:
          "hover:bg-muted hover:text-foreground aria-expanded:bg-muted aria-expanded:text-foreground dark:hover:bg-muted/50",
        destructive:
          "bg-destructive/10 text-destructive hover:bg-destructive/20 focus-visible:border-destructive/40 focus-visible:ring-destructive/20 dark:bg-destructive/20 dark:hover:bg-destructive/30 dark:focus-visible:ring-destructive/40",
        link: "text-primary underline-offset-4 hover:underline",
      },
      size: {
        default:
          "h-9 gap-1.5 px-2.5 in-data-[slot=button-group]:rounded-md has-data-[icon=inline-end]:pr-2 has-data-[icon=inline-start]:pl-2",
        xs: "h-6 gap-1 rounded-[min(var(--radius-md),8px)] px-2 text-xs in-data-[slot=button-group]:rounded-md has-data-[icon=inline-end]:pr-1.5 has-data-[icon=inline-start]:pl-1.5 [&_svg:not([class*='size-'])]:size-3",
        sm: "h-8 gap-1 rounded-[min(var(--radius-md),10px)] px-2.5 in-data-[slot=button-group]:rounded-md has-data-[icon=inline-end]:pr-1.5 has-data-[icon=inline-start]:pl-1.5",
        lg: "h-10 gap-1.5 px-2.5 has-data-[icon=inline-end]:pr-2 has-data-[icon=inline-start]:pl-2",
        icon: "size-9",
        "icon-xs":
          "size-6 rounded-[min(var(--radius-md),8px)] in-data-[slot=button-group]:rounded-md [&_svg:not([class*='size-'])]:size-3",
        "icon-sm":
          "size-8 rounded-[min(var(--radius-md),10px)] in-data-[slot=button-group]:rounded-md",
        "icon-lg": "size-10",
      },
    },
    defaultVariants: {
      variant: "default",
      size: "default",
    },
  }
)

function Button({
  className,
  variant = "default",
  size = "default",
  asChild = false,
  ...props
}: React.ComponentProps<"button"> &
  VariantProps<typeof buttonVariants> & {
    asChild?: boolean
  }) {
  const Comp = asChild ? Slot.Root : "button"

  return (
    <Comp
      data-slot="button"
      data-variant={variant}
      data-size={size}
      className={cn(buttonVariants({ variant, size, className }))}
      {...props}
    />
  )
}

export { Button, buttonVariants }
```

### `components/ui/card.tsx`

```tsx
import * as React from "react"

import { cn } from "@/lib/utils"

function Card({
  className,
  size = "default",
  ...props
}: React.ComponentProps<"div"> & { size?: "default" | "sm" }) {
  return (
    <div
      data-slot="card"
      data-size={size}
      className={cn(
        "group/card flex flex-col gap-6 overflow-hidden rounded-xl bg-card py-6 text-sm text-card-foreground shadow-xs ring-1 ring-foreground/10 has-[>img:first-child]:pt-0 data-[size=sm]:gap-4 data-[size=sm]:py-4 *:[img:first-child]:rounded-t-xl *:[img:last-child]:rounded-b-xl",
        className
      )}
      {...props}
    />
  )
}

function CardHeader({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-header"
      className={cn(
        "group/card-header @container/card-header grid auto-rows-min items-start gap-1 rounded-t-xl px-6 group-data-[size=sm]/card:px-4 has-data-[slot=card-action]:grid-cols-[1fr_auto] has-data-[slot=card-description]:grid-rows-[auto_auto] [.border-b]:pb-6 group-data-[size=sm]/card:[.border-b]:pb-4",
        className
      )}
      {...props}
    />
  )
}

function CardTitle({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-title"
      className={cn(
        "font-heading text-base leading-normal font-medium group-data-[size=sm]/card:text-sm",
        className
      )}
      {...props}
    />
  )
}

function CardDescription({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-description"
      className={cn("text-sm text-muted-foreground", className)}
      {...props}
    />
  )
}

function CardAction({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-action"
      className={cn(
        "col-start-2 row-span-2 row-start-1 self-start justify-self-end",
        className
      )}
      {...props}
    />
  )
}

function CardContent({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-content"
      className={cn("px-6 group-data-[size=sm]/card:px-4", className)}
      {...props}
    />
  )
}

function CardFooter({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-footer"
      className={cn(
        "flex items-center rounded-b-xl px-6 group-data-[size=sm]/card:px-4 [.border-t]:pt-6 group-data-[size=sm]/card:[.border-t]:pt-4",
        className
      )}
      {...props}
    />
  )
}

export {
  Card,
  CardHeader,
  CardFooter,
  CardTitle,
  CardAction,
  CardDescription,
  CardContent,
}
```

### `components/ui/badge.tsx`

```tsx
import * as React from "react"
import { cva, type VariantProps } from "class-variance-authority"
import { Slot } from "radix-ui"

import { cn } from "@/lib/utils"

const badgeVariants = cva(
  "group/badge inline-flex h-5 w-fit shrink-0 items-center justify-center gap-1 overflow-hidden rounded-4xl border border-transparent px-2 py-0.5 text-xs font-medium whitespace-nowrap transition-all focus-visible:border-ring focus-visible:ring-[3px] focus-visible:ring-ring/50 has-data-[icon=inline-end]:pr-1.5 has-data-[icon=inline-start]:pl-1.5 aria-invalid:border-destructive aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 [&>svg]:pointer-events-none [&>svg]:size-3!",
  {
    variants: {
      variant: {
        default: "bg-primary text-primary-foreground [a]:hover:bg-primary/80",
        secondary:
          "bg-secondary text-secondary-foreground [a]:hover:bg-secondary/80",
        destructive:
          "bg-destructive/10 text-destructive focus-visible:ring-destructive/20 dark:bg-destructive/20 dark:focus-visible:ring-destructive/40 [a]:hover:bg-destructive/20",
        outline:
          "border-border text-foreground [a]:hover:bg-muted [a]:hover:text-muted-foreground",
        ghost:
          "hover:bg-muted hover:text-muted-foreground dark:hover:bg-muted/50",
        link: "text-primary underline-offset-4 hover:underline",
      },
    },
    defaultVariants: {
      variant: "default",
    },
  }
)

function Badge({
  className,
  variant = "default",
  asChild = false,
  ...props
}: React.ComponentProps<"span"> &
  VariantProps<typeof badgeVariants> & { asChild?: boolean }) {
  const Comp = asChild ? Slot.Root : "span"

  return (
    <Comp
      data-slot="badge"
      data-variant={variant}
      className={cn(badgeVariants({ variant }), className)}
      {...props}
    />
  )
}

export { Badge, badgeVariants }
```

### `components/ui/separator.tsx`

```tsx
"use client";

import * as React from "react";
import { Separator as SeparatorPrimitive } from "radix-ui";

import { cn } from "@/lib/utils";

function Separator({
  className,
  orientation = "horizontal",
  decorative = true,
  ...props
}: React.ComponentProps<typeof SeparatorPrimitive.Root>) {
  return (
    <SeparatorPrimitive.Root
      data-slot="separator"
      decorative={decorative}
      orientation={orientation}
      className={cn(
        "shrink-0 bg-border data-horizontal:h-px data-horizontal:w-full data-vertical:w-px ",
        className
      )}
      {...props}
    />
  );
}

export { Separator };
```