:root{--background:#f8f9fa;--foreground:#1a1a1a;--accent:#0070f3;--accent-gradient:linear-gradient(135deg,#0070f3,#f81ce5);--card-bg:#fff9;--card-border:#0000001a;--nav-height:70px;--font-main:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,"Open Sans","Helvetica Neue",sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--background);max-width:100vw;color:var(--foreground);font-family:var(--font-main);scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-height) + 20px);overflow-x:hidden}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#ccc;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#aaa}