:root{--color-primary:#2563EB;--color-primary-hover:#1D4ED8;--color-primary-light:#EFF6FF;--color-bg:#F8FAFC;--color-surface:#FFFFFF;--color-sidebar:#0F172A;--color-text-primary:#0F172A;--color-text-secondary:#334155;--color-text-muted:#64748B;--color-border:#E2E8F0}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--color-text-primary);background:var(--color-bg);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}button,input,select,textarea{font-family:inherit}::selection{background:var(--color-primary-light);color:var(--color-sidebar)}