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No.241 · Time· New

Milestone Timeline

A horizontal plan: a pin for each milestone on a line that fills up to today. Passed milestones are ticked, the next one ahead is ringed and blinking, and later ones are hollow.

The prompt

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Written for the variant you picked above: Light

Build a roadmap for a fictional product, Inter 14.5px/1.5. Palette (light / dark): ink #18181b / #ececef, muted #6b6b73 / #a1a1aa, faint #a1a1aa / #6b6b73, card #ffffff / #111113, hairline #e6e6ea / #26262b, chip #f3f3f5 / #1c1c20, accent #2563eb / #6ea8fe, ok #15803d / #3fb950, failed #c81e1e / #ff6369, building #b45309 / #f5b14c. Dates: take a 'now' and a time zone (UTC by default) as props and read every date with Intl in that zone, so the server and the browser print the same words. Day labels are 'Today', 'Yesterday' or 'Sun 4 Oct'; every date is a <time datetime>. 'Roadmap' with '<n>% of the plan' beside it, then a horizontal row of five milestones (Research, Design, Private beta, Public beta, Launch), each centred over a 9.5rem-minimum column with a 22px pin, a title, its date and a short note. A 2px hairline joins the pins, and an accent line over it fills to today's position between the dates (growing in over 1.1s). Passed milestones have filled accent pins with a white tick; the next one ahead (in progress) a ringed pin with a blinking dot and a soft halo; upcoming ones are hollow with muted titles. On narrow screens the row scrolls sideways with snap points. Show it on a #fafafa / #0b0b0c page. Selected variant — Light (light): Palette for this theme (Light): --mltl-accent #2563eb; --mltl-alert #dc2626; --mltl-bad #c81e1e; --mltl-card #ffffff; --mltl-chip #f3f3f5; --mltl-deploy #18181b; --mltl-faint #a1a1aa; --mltl-fixed #13703a; --mltl-fixed-bg #e7f6ec; --mltl-focus #2563eb; --mltl-improved #6b2fd6; --mltl-improved-bg #f2ecff; --mltl-ink #18181b; --mltl-invite #0e7490; --mltl-line #e6e6ea; --mltl-merge #7c3aed; --mltl-new #1d4fd8; --mltl-new-bg #e9f0ff; --mltl-ok #15803d; --mltl-release #2563eb; --mltl-run #b45309; --mltl-soft #6b6b73. Treat these as the root colour tokens, one value per role, and name them to suit your code. Select it with the theme option set to "light". Keep every dimension, spacing value, state and motion from the brief unchanged, and keep text at 4.5:1 contrast or better on these surfaces. 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: The row scrolls sideways with snap points on narrow screens and is focusable. Motion: The line grows in over 1.1s and the current pin blinks. Reduced motion removes both. Accessibility: A labelled, focusable scroll region with an ordered list; the current milestone has aria-current=step and each says Done, In progress or Upcoming in words. Responsive behavior: The row scrolls sideways under its minimum width. Touch: The row swipes with snap points. 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
The row scrolls sideways with snap points on narrow screens and is focusable.
Motion
The line grows in over 1.1s and the current pin blinks. Reduced motion removes both.
Accessibility
A labelled, focusable scroll region with an ordered list; the current milestone has aria-current=step and each says Done, In progress or Upcoming in words.
Responsive
The row scrolls sideways under its minimum width.
On touch
The row swipes with snap points.

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