:root{--color-primary:#1e40af;--color-primary-light:#3b82f6;--color-bg:#f5f7fa;--color-bg-card:#fff;--color-text:#141824;--color-text-muted:#64748b;--color-border:#e5e7eb;--color-danger:#dc2626;--radius-md:10px;--font-sans:"Nunito", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;font-size:16px}body{font-family:var(--font-sans);color:var(--color-text);background-color:var(--color-bg);min-height:100vh;line-height:1.6}#root{min-height:100vh}button{font-family:inherit}