:root{--color-primary: #2563eb;--color-onPrimary: #ffffff;--color-surface: #ffffff;--color-onSurface: #0f172a;--color-muted: #64748b;--color-danger: #dc2626;--font-body: Inter, system-ui, sans-serif;--font-heading: Inter, system-ui, sans-serif;--radius: .5rem}body{margin:0;font-family:var(--font-body);background:var(--color-surface);color:var(--color-onSurface)}