:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background-color:#f6f8fa;min-height:100vh;margin:0}.fm-hero{color:#fff;background:linear-gradient(135deg,#0d6efd 0%,#0aa2c0 100%)}.fm-chat-box{background-color:#fff;height:55vh;overflow-y:auto}.fm-bubble{max-width:80%}