:root{--bg-canvas:#f0f2f5;--bg-surface:#fff;--bg-inset:#f7f8fa;--border-default:#e1e4e8;--border-muted:#eaedf0;--text-primary:#1b1f24;--text-secondary:#57606a;--text-muted:#8b949e;--accent-green:#1a7f37;--accent-green-subtle:#1a7f3714;--accent-amber:#bf8700;--accent-amber-subtle:#bf870014;--accent-red:#cf222e;--accent-red-subtle:#cf222e0f;--accent-blue:#0969da;--accent-blue-subtle:#0969da0f;--radius-sm:4px;--radius-md:6px;--radius-lg:8px}*{box-sizing:border-box}html{background:var(--bg-canvas)}body{background:var(--bg-canvas);color:var(--text-primary);font-family:var(--font-geist-sans), sans-serif;margin:0}button,input,textarea,select{font:inherit}a{color:inherit;text-decoration:none}