Right-side cart with a free-shipping meter, animated line items, a two-item upsell, a collapsible discount code and totals. Focus trap, Escape, scroll lock.

Cart row with thumb, variant chip, stepper, line price with compare-at and a hover-reveal remove.

Progress toward a free-shipping threshold that computes the remainder and flips to a confirmation.

Token-drawn bag illustration, a human line of copy, a bestsellers action and a two-item rail.

Header cart icon with a count badge and a popover preview with View cart and Checkout.

Two-column cart page: line items with steppers on the left, a sticky order summary with shipping math and checkout on the right. Stacks on mobile.

Mobile bottom sheet after add to cart with a drag handle, the added item, cart subtotal, View cart and Checkout. Focus trap, Escape, scroll lock.

Confirmation toast with thumbnail, item and a View cart action. Auto-dismisses after 4s and pauses on hover or focus.

Centered confirmation with the item, cart subtotal, Continue shopping and Checkout. Focus trap, Escape, scroll lock, focus return.

One progress track with three milestones at their real thresholds (free shipping, 10% off, free gift). Markers fill as reached.

Locked row that names the amount left, then opens a choose-one-of-three gift picker at the threshold.

Horizontal snap carousel of add-on cards with one-tap add, arrow paging and end-aware arrows.

Three numbered routine steps for the cart page; each explains its role, steps in the cart show as included, add the rest in one click.

One-tap switches for gift wrap and priority handling with prices on the label and a running add-on total.

Per-line Subscribe and save switch that updates the line to the per-delivery price and reveals a cadence picker.

Line-level quantity break message with one-click add of the missing units; shows the applied discount once reached.

Prices every eligible offer against the cart, applies the best one without a code and explains why in a disclosure.

Labeled order note with a live character count and a gift switch that reveals a printed gift message.

Opt-in shipping protection switch, off by default, with a computed fee and plain-language terms.

Arrival range in business days and a real warehouse cutoff countdown, computed after mount in the warehouse time zone.

Cart with a saved-for-later list below it; lines move between the two and the subtotal only counts the cart.

Validated typed quantity input that explains bad values, and removal with a 5-second Undo that restores the line in place.

Countdown to a real stock-hold expiry. Renders nothing without expiresAt and says plainly when the hold has ended.

Compact two-by-two trust grid, a guarantee line and accepted payment chips for under the checkout button.

Points balance and value, points earned on this order, and a redeem switch in fixed blocks.

Grid of free samples; choose up to two, the rest dim at the limit and say why.

Opt-in round-up row that computes the cents to the next dollar and names the cause.