:root{--font-fira-sans:"Fira Sans",system-ui,-apple-system,sans-serif;--font-fira-code:"Fira Code",monospace;--space-xs:0.25rem;--space-sm:0.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--shadow-sm:0 1px 2px rgba(0,0,0,.04);--shadow-md:0 2px 8px rgba(0,0,0,.06),0 1px 3px rgba(0,0,0,.04);--shadow-lg:0 8px 24px rgba(0,0,0,.08),0 2px 8px rgba(0,0,0,.04);--shadow-xl:0 16px 48px rgba(0,0,0,.1),0 4px 16px rgba(0,0,0,.06)}