:root{--font-sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;--bg-page:#fff;--bg-card:#fff;--bg-secondary:#f5f5f7;--text-primary:#1d1d1f;--text-secondary:#86868b;--accent:#0071e3;--accent-hover:#0077ed;--border-light:#d2d2d7;--radius-lg:18px;--radius-md:12px;--shadow-sm:0 1px 2px #0000000a;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}*{box-sizing:border-box}body{font-family:var(--font-sans);background:var(--bg-page);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;font-family:inherit}