:root{--primary:#6366f1;--primary-dark:#4f46e5;--primary-light:#818cf8;--text-primary:#1e293b;--text-secondary:#64748b;--text-muted:#94a3b8;--border:#e5e7eb;--background:#fff;--background-alt:#f8fafc}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;color:var(--text-primary);background:var(--background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body>div:first-child{min-height:100vh}a{color:inherit}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}a,button{transition:all .2s ease}