:root{--color-surface:#f8fafc;--color-card:#fff;--color-border:#e2e8f0;--color-text-primary:#0f1b3d;--color-text-secondary:#64748b}:root[data-theme=dark]{--color-surface:#0f172a;--color-card:#1e293b;--color-border:#334155;--color-text-primary:#f1f5f9;--color-text-secondary:#94a3b8}*{box-sizing:border-box;margin:0;padding:0}html,body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;max-width:100vw;height:100%;overflow-x:hidden}a{color:inherit;text-decoration:none}