A studio's "we sweat the details" section around a product card. Left alone, it tours the card's padding, the gap between the title and the price, the button's 44px height and the space around the photo. Point at anything to take over, click to pin, and hold Alt to measure between two parts. With `spec`, text shows its font.
pnpm dlx shadcn@latest add "https://keyframeui.com/r/redline-demo.json"