Next.jsReactTypeScriptTailwind CSSHTML5 CanvasPWAWeb Share APIPlaywrightVitestESLintVercel
- Real neon, not a glow filter: additive bloom over a white-hot core, 4 styles, 8 gradient inks
- Apple Pencil pressure sets stroke width at 120Hz; a resting palm is ignored once a pen is seen
- Replays the drawing stroke by stroke at 0.1x to 3x, then records the run to MP4 or WebM
- 6 ambient animations - breathe, flicker, sparkle, firefly, flow - as pure functions of time
- Installs to the home screen; saves a full-resolution PNG straight into the share sheet