:root{--color-bg:#f3f4f6;--color-surface:hsla(0,0%,100%,.9);--color-border:#e0e0e0;--color-text:#1f2937;--color-text-muted:#6b7280;--color-accent:#6366f1;--color-accent-hover:#4f46e5;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,.04);--radius-sm:0.25rem;--radius-md:0.5rem;--radius-lg:1rem;--radius-xl:1.5rem;--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--transition-smooth:all 0.3s cubic-bezier(0.4,0,0.2,1)}*{box-sizing:border-box;margin:0;padding:0}body,html{max-width:100vw;overflow-x:hidden}body{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font-family:inherit}