*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--primary:#2563eb;--primary-dark:#1d4ed8;--bg:#f8fafc;--card:#ffffff;--text:#1e293b;--text-muted:#64748b;--border:#e2e8f0;--success:#16a34a;--danger:#dc2626}body{font-family:system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}