:root{--background:#f8fafc;--foreground:#0f172a}body{background-color:var(--background);color:var(--foreground);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;overflow-x:hidden}html{scroll-behavior:smooth}.glass-card{-webkit-backdrop-filter:blur(12px);background:#ffffffd9;border:1px solid #e2e8f0cc}.glass-nav{-webkit-backdrop-filter:blur(16px);background:#ffffffe6;border-bottom:1px solid #e2e8f0cc}