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 ### Key Libraries
 
-- **bitcoinjs-lib** — BOLT11 invoice decoding
+- **@fontsource/geist-mono** — Primary monospace font used throughout the app
+- **@radix-ui** — Accessible UI primitives
 - **bech32** — LNURL bech32 decoding
+- **bitcoinjs-lib** — BOLT11 invoice decoding
 - **bolt12-decoder** — BOLT12 offer/invoice parsing
-- **@radix-ui** — Accessible UI primitives
 - **lucide-react** — Beautiful icon set
 - **tailwind-merge** — Smart class merging