:root{--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-bg:#f9fafb;--color-surface:#fff;--color-border:#e5e7eb;--color-text:#111827;--color-text-secondary:#6b7280;--color-success:#16a34a;--color-warning:#d97706;--color-danger:#dc2626}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}@keyframes slideIn{0%{opacity:0;transform:translate(1rem)}to{opacity:1;transform:translate(0)}}