:root{--p:#302769;--a:#64C2C8;--bg:#FAF8F3;--l:#e5e7eb}body{margin:0;background:var(--bg);font-family:Arial,Helvetica,sans-serif}.nubot-widget{max-width:620px;margin:32px auto;background:#fff;border:1px solid var(--l);border-radius:18px;box-shadow:0 10px 30px #0001;overflow:hidden}.nubot-head{background:var(--p);color:#fff;padding:16px;font-weight:900}.nubot-body{padding:16px;min-height:260px}.bubble{padding:10px 12px;border-radius:14px;margin:8px 0;max-width:85%}.bot{background:#f3f4f6}.user{background:var(--a);margin-left:auto}.nubot-input{display:flex;gap:8px;padding:14px;border-top:1px solid var(--l)}input{flex:1;padding:12px;border:1px solid var(--l);border-radius:12px}button{background:var(--p);color:#fff;border:0;border-radius:12px;padding:12px 16px;font-weight:800;cursor:pointer}