:root{--chat-bg: #d7d9dc;--chat-surface: #ffffff}*,*:before,*:after{box-sizing:border-box}html,body{min-height:100%}body{margin:0;padding:0;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;font-size:16.2px;background:var(--chat-bg);color:#102a2b}