.iframe-container{position:relative;width:100%;min-height:100vh;overflow:hidden}.loading{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:9999}.spinner{width:50px;height:50px;border:3px solid #f3f3f3;border-top:3px solid #f59e0b;border-radius:50%;animation:spin 1s linear infinite}