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AeroStream Gloss Radio Group
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A high-fidelity radio selection component channeling the 'Frutiger Aero' and Y2K aesthetic. It utilizes advanced CSS techniques like backdrop-filtering, translucent glass layers, and high-gloss linear gradients to achieve a liquid-smooth interface. The design prioritizes tactile feedback with depth-based transitions and a bright, optimistic light-mode palette, evoking the era of glossy web 2.0 and glassmorphism.
Features
- CSS-only interactive states
- Dynamic icon highlighting
- Responsive pill-shaped layout
- High-contrast focus indicators
Uses
- User preference settings
- Plan or subscription tiers
- Onboarding questionnaires
- Environment toggles
Benefits
- Zero JavaScript dependency
- High performance rendering
- Accessible native radio inputs
- Visually distinct selection states
- Modern interpretation of nostalgia
Techniques Used
linear-gradients, :checked pseudo-selector, flexbox, transition-timing-functions
Frequently Asked Questions
How does the AeroStream Gloss Radio Group maintain 60fps performance while applying backdrop-filter: blur(12px) and saturate(180%) across multiple radio tiles on mobile hardware?
Performance is optimized by applying will-change: transform and backface-visibility: hidden to the glass layers to promote them to their own GPU compositor layers. Additionally, the component uses mix-blend-mode: overlay for the skeuomorphic highlights rather than stacking multiple filter functions, which significantly reduces the per-pixel paint cost during state transitions.
What specific CSS gradient layering technique is used to simulate the skeuomorphic liquid-surface effect on the selected radio pill without using external assets?
The effect is achieved via a multi-layered background-image stack: a primary linear-gradient(180deg, #ffffff4d 0%, #ffffff00 100%) for the top-down specular highlight, a secondary radial-gradient at the top center to create a 'bubble' lens effect, and a base gradient providing the depth-based color using the OKLCH color space for maximum vibrancy.
How are high-contrast focus indicators implemented to ensure WCAG 2.1 compliance while maintaining the translucent Frutiger Aero aesthetic?
The component utilizes a :focus-visible ring that combines a 2px solid outline-offset with a dual-layered box-shadow. The inner shadow uses a high-vibrancy cyan to match the Y2K palette, while the outer shadow uses a semi-transparent white glow to ensure visibility against both dark backdrops and the internal translucent glass layers.
In a CSS-only state implementation, how does the component trigger the dynamic icon color shift when a hidden radio input is checked?
It leverages the :checked pseudo-class in combination with the adjacent sibling combinator (input:checked + label). This selector updates CSS custom properties scoped to the label, specifically --icon-fill and --icon-filter: drop-shadow(), which transitions the SVG icon from a desaturated state to a luminous, high-glow appearance.
How does the responsive pill-shaped layout prevent 'gloss-bleeding' when the radio group wraps into a multi-line flex container on narrow viewports?
The component applies a clip-path: inset(0 round 9999px) to each individual radio item. This ensures that the skeuomorphic glossy overlays, which often extend slightly beyond the border-box to create a soft-edged glow, are perfectly contained within the pill's geometry even when the flex-wrap property causes items to stack vertically.