:root{--color-primary:#3b7998;--color-primary-dark:#2d5f7a;--color-bg:#f9fafb;--color-surface:#fff;--color-border:#e5e7eb;--color-text:#111827;--color-text-muted:#6b7280;--color-danger:#dc2626;--color-danger-light:#fef2f2;--color-petrol:#2b6fe0;--color-electric:#d99e00;--color-money:#12915a;--space-xs:.25rem;--space-sm:.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--radius-sm:4px;--radius-md:8px;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.25rem;--text-xl:1.5rem;--touch-min:44px}*,:after,:before{box-sizing:border-box;margin:0}body{color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;font-family:system-ui,-apple-system,sans-serif;line-height:1.5}h1{font-size:var(--text-xl);margin-bottom:var(--space-md);font-weight:700}h2{font-size:var(--text-lg);margin-bottom:var(--space-sm);font-weight:600}