Text cutting from below in TextField widget: Flutter

TextField widget works fine with less text but when i adding long text it starts to cut from bottom.

Without text.

With less text

Problem starts here with long text

My widget code.

Opacity(
      opacity: 0.5600000023841858,
      child: Container(
        padding: EdgeInsets.only(left: 10),
        width: 213,
        height: 36,
        decoration: BoxDecoration(
          color: boxShadowCreamColor,
          borderRadius: BorderRadius.circular(48),
          boxShadow: [BoxShadow(color: boxShadowColor, offset: Offset(0, 0), blurRadius: 8, spreadRadius: 0)],
        ),
        child: TextField(
          keyboardType: TextInputType.text,
          textAlign: TextAlign.left,
          maxLines: 1,
          textAlignVertical: TextAlignVertical.center,
          style: TextStyle(color: Colors.white,fontSize: fontMedium,fontWeight: fontWeightRegular),
          decoration: InputDecoration(
            hintText: "Search",
            border: InputBorder.none,
            hintStyle: TextStyle(color: Colors.white,fontSize: fontMedium,fontWeight: fontWeightRegular),
            suffixIcon: Icon(
              Icons.search,
              color: Colors.white,
            ),
          ),
        ),
      ),
    );