*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif}.rw-container{max-width:420px;margin:0 auto;border:1px solid #e2e8f0;border-radius:12px;display:flex;flex-direction:column;height:520px;background:#fff}.rw-header{padding:12px 16px;border-bottom:1px solid #e2e8f0;font-weight:600;color:#0f172a}.rw-messages{flex:1;overflow-y:auto;padding:12px 16px;display:flex;flex-direction:column;gap:10px}.rw-message{max-width:85%;padding:8px 12px;border-radius:10px;font-size:14px;line-height:1.4;white-space:pre-wrap}.rw-message.user{align-self:flex-end;background:#0f172a;color:#fff}.rw-message.assistant{align-self:flex-start;background:#f1f5f9;color:#0f172a}.rw-message.escalation{align-self:flex-start;background:#fef3c7;color:#92400e}.rw-message.agent{align-self:flex-start;background:#e0f2fe;color:#075985}.rw-agent-label{display:block;font-size:11px;font-weight:600;margin-bottom:2px;opacity:.8}.rw-cite{display:block;margin-top:4px;font-size:11px;opacity:.7}.rw-form{display:flex;gap:8px;padding:12px 16px;border-top:1px solid #e2e8f0}.rw-form input{flex:1;padding:8px 10px;border:1px solid #cbd5e1;border-radius:8px;font-size:14px}.rw-form button{padding:8px 14px;border:none;border-radius:8px;background:#0f172a;color:#fff;font-size:14px;cursor:pointer}.rw-form button:disabled{opacity:.5;cursor:default}.rw-error{padding:8px 16px;color:#b91c1c;font-size:13px}