UI Micro-interactions

Radio Dot Bloom

Radio list where selecting dips the ring, blooms a spring dot with overshoot, and fires an outward pulse. Auto-cycles through 5 options.

svgmedium complexitymoderate motionclick

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When to use it

Settings panels, preference forms, or any single-select list where tactile selection feedback matters.

When not to

Long option lists (5+ items may feel crowded). Remove auto-cycle before shipping in production forms.

Working with an AI agent

Every component ships agent-ready metadata. An example instruction for this one:

Change accent color from '#2DD4BF' to '#A855F7', slow the bloom spring to 0.9s (change 0.62 in spring calc), and add a sixth label 'Resonance' to the labels array. Theme: dark tokens live in :root, the light variant in :root[data-theme="light"]; ?theme=light or a {type:'forever:theme'} postMessage switches at runtime.

Safe to edit

accent color (ACC='#2DD4BF')
dim ring color (DIM='#33585A')
option labels (labels array)
spring duration (0.62 divisor)
auto-cycle interval (1700ms)
dot bloom max radius (6.4)
theme tokens (:root dark defaults + [data-theme=light] overrides)

Keep intact

IIFE wrapper
prefers-reduced-motion guard with static fallback
visibilitychange stop/start
spring() overshoot function
theme hook (?theme= bootstrap + forever:theme message listener + theme tokens)

Known limitations

Auto-cycles by default — remove auto+=dt block before use in real forms
Background hardcoded to dark teal (#102A2E)
Rows lack role=radio and aria attributes

radioui-controlsvgspringmicrointeractionpulseloop

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