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Quickstart Checklist

Onboarding as a short stack of numbered, hard-edged cards: the next step is open and lifted, marking it done stamps and folds it, and a segmented bar keeps count.

The prompt

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Written for the variant you picked above: Light

Build an onboarding checklist in a playful-technical, diagrammatic style: warm off-white page #f4efea, white cards, ink #383838, 2px ink borders, 2px corners, flat hard shadows, DM Mono uppercase for headings, numbers and buttons, Inter light for prose. A header with the title ('GET WALLY RUNNING', 22–28px DM Mono) and '1 of 4 done' on the right. Under it, a segmented progress bar: one 12px bordered segment per step with 6px gaps, filling teal #16aa98 as steps finish. Then an ordered stack of step cards, 12px apart. Each card's header is a full-width disclosure button: a 34×30 bordered yellow #ffde00 number chip ('01'), the step title at 16px 500, and a chevron that flips when open. The open card lifts (translate −2px, −2px) onto a 4px 4px 0 hard shadow and shows its body indented under the title: muted prose (inline code in small bordered mono), then a sky #6fc2ff primary action button and an outlined 'MARK AS DONE'. Finished cards turn a pale teal, their chip becomes a teal ✓, the title strikes through, and a small teal-outlined 'DONE' stamp tilted −4° drops in from 160% scale. Buttons lift 2px with a 2px hard shadow on hover. Selected variant — Light (light): Light theme: page #f4efea, cards #ffffff, ink, borders and hard shadows #383838, muted #6f6a64, faint #a39e97, yellow chips #ffde00, sky action #6fc2ff, teal progress and done #16aa98, finished card #eaf6f3. This selection takes precedence over references to other themes or options in the general brief. Implement this selected appearance; do not add a variant picker or alternative appearances unless requested. Implementation requirements: Use React and TypeScript. Keep the component self-contained, with uniquely scoped CSS and no animation libraries. Include required imports, styles and font setup in the result. Interaction: One step is open at a time; headers toggle their own step. Mark as done saves, opens the next unfinished step and moves focus to its header; Mark as not done reopens a step. With storageKey, finished steps persist (try/catch, ignoring unknown ids). onComplete fires once when the last step is finished. Motion: Cards lift and shadows appear over 160ms; segments fill over 260ms; the stamp drops with a slight overshoot. Reduced motion removes the lift, fill transition and stamp drop. Accessibility: Each step header is a real button inside a heading with aria-expanded and aria-controls; collapsed bodies use hidden. The segmented bar is a progressbar with value and maximum, and the count is announced politely. Focus moves to the next step header after marking one done. Responsive behavior: Fluid width; under 28rem the step body drops its indent. Touch: Every control is a tap target; nothing depends on hover. Preserve keyboard access, visible focus and reduced-motion behavior. Keep fictional demo data and simulated service calls in a separate usage example; expose callbacks for real actions and recover from rejected requests. Keep usage-example links inside the demo: use local buttons or prevent navigation. Demonstration links must not navigate to Vitrine routes or open other pages; preserve real URL support in the reusable component itself. Verify the result at narrow and wide viewport sizes, with keyboard input and reduced motion enabled.

Notes

Interaction
One step is open at a time; headers toggle their own step. Mark as done saves, opens the next unfinished step and moves focus to its header; Mark as not done reopens a step. With storageKey, finished steps persist (try/catch, ignoring unknown ids). onComplete fires once when the last step is finished.
Motion
Cards lift and shadows appear over 160ms; segments fill over 260ms; the stamp drops with a slight overshoot. Reduced motion removes the lift, fill transition and stamp drop.
Accessibility
Each step header is a real button inside a heading with aria-expanded and aria-controls; collapsed bodies use hidden. The segmented bar is a progressbar with value and maximum, and the count is announced politely. Focus moves to the next step header after marking one done.
Responsive
Fluid width; under 28rem the step body drops its indent.
On touch
Every control is a tap target; nothing depends on hover.

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333 components