*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg:#fafafa;--color-surface:#fff;--color-text:#111;--color-text-secondary:#555;--color-border:#e2e2e2;--color-primary:#111;--color-primary-hover:#333;--color-primary-text:#fff;--radius:8px;--font-sans:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,monospace}html{-moz-text-size-adjust:100%;text-size-adjust:100%}body{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}