:root{--background:#fff;--foreground:#0f172a;--font-sans:ui-sans-serif, system-ui, sans-serif}.dark{--background:#0f172a;--foreground:#f1f5f9}*,:before,:after{box-sizing:border-box}html{-webkit-font-smoothing:antialiased;scroll-behavior:smooth;overscroll-behavior-y:contain;height:100%}body{background:var(--background);min-height:100%;color:var(--foreground);font-family:var(--font-sans);flex-direction:column;margin:0;display:flex}