feat: Signal UI redesign — neo-brutalist ATC terminal aesthetic#8

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docs/ui-design-concepts

Commits on Mar 3, 2026

fix: switch to Edge function for radio proxy, fix mixed content

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feat: add 16 verified international airports to radio feed list

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Commits on Mar 6, 2026

docs: add UI design concepts and refined Signal specification

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docs: add Signal UI redesign implementation plan

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feat(signal): design system foundation — CSS vars, grid layout, JetBrains Mono

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feat(signal): add HeaderBar with live clock

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feat(signal): add StatusWord with typewriter, blink, and state colors

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feat(signal): add StatusBar with connection status, uptime, about panel

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fix(signal): spec compliance fixes for Phase 2 components

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feat(signal): add DataList reusable component with search, scroll, volume

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feat(signal): add useAudioAnalyser composable for Web Audio API

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feat(signal): rewrite Airports and Music to use DataList component

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feat(signal): add Oscilloscope with phosphor glow, grid, dual waveform

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feat(signal): add crosshair signal logo SVG with radar pulse animation

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feat(signal): assemble grid — wire all components, remove old code

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fix(signal): volume bar track fill via CSS variable

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feat(signal): add global keyboard shortcuts for playback and volume

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fix(signal): resume AudioContext on user gesture, apply initial volume

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fix(signal): improve dim text contrast for readability

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fix(signal): further improve dim text contrast

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fix(signal): improve grid line visibility with green-tinted borders

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fix(signal): switch to dotted grid borders, increase visibility

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fix(signal): extend DataList internal borders to full width

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fix(signal): add right padding to country codes to avoid scrollbar overlap

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fix(signal): improve DataList visual hierarchy

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fix(signal): lock desktop layout to viewport height, no scroll

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feat(signal): make scan-line overlay visible, add CRT flicker effect

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feat(signal): enhance CRT flicker and add subtle text glitch animation

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fix(signal): move CRT flicker to layout element with brightness filter

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fix(signal): dial CRT flicker to medium intensity

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fix(signal): soften CRT flicker to subtle intensity

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feat(signal): add CRT vignette depth and independent per-panel flickers

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fix(signal): use green phosphor glow for CRT vignette instead of black

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fix(signal): make scan lines thicker and more visible

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fix(signal): increase font sizes for readability through scan lines

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fix(signal): crank CRT vignette to max for testing

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fix(signal): dial CRT vignette to medium intensity (0.12 opacity)

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fix(signal): bump CRT vignette to 0.18 opacity

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