# Pro Chord

Pro Chord is a fast, premium, mobile-optimized guitar chords, tabs, and synced lyrics web application tailored for Myanmar (Burmese) songs. It includes real-time tools for transposing, autoscrolling, interactive chord diagrams, a built-in mic-based guitar tuner, and offline capabilities.

## Domain
Primary domain: https://prochord.app

## Main Features & Routes
- `/` (Home): Browse, search, and discover Myanmar songs. Filter songs by artist or category.
- `/chords/:artistSlug/:songSlug` (Song Viewer): Canonical interactive sheet view featuring synced autoscrolling, chords hover tooltips, and backing track synchronization.
- `/artist/:artistSlug` (Artist): Public catalog of an artist's available guitar chords and lyrics.
- `/category/:categorySlug` and `/tag/:tagSlug`: Browse public songs by genre and language, including Burmese and Kachin.
- `/chords` (Chord Library): Fingering charts, variations/voicings, and music theory info for guitar chords.
- `/tuner` (Guitar Tuner): Web Audio API-powered microphone pitch detector.
- `/mytabs` (Saved Dashboard): Access and manage saved tabs (requires user authentication, syncs with Firestore).
- `/auth/action` (Auth handler): Entrypoint for email link authentications and password resets.

Legacy `/song/:songId` URLs redirect to the canonical artist/song chord URL.