.content{
  display:flex;
  gap:20px;
}

.left,.right{
  width:50%;
}

.section{
  background:#fafafa;
  padding:15px;
  border-radius:10px;
  border:1px solid #eee;
}

label{
  font-size:13px;
  font-weight:bold;
  display:block;
  margin-bottom:8px;
}

input{
  width:100%;
  padding:10px;
  border-radius:6px;
  border:1px solid #ccc;
  box-sizing:border-box;
}

.btns{
  display:flex;
  gap:10px;
  margin-top:15px;
}

.app{
  flex:1;
  padding:12px;
  border:none;
  border-radius:5px;
  cursor:pointer;
  color:#fff;
  background:linear-gradient(135deg,#0a3d62,#07517d);
}

.app:disabled{
  opacity:.5;
  cursor:not-allowed;
}

#status{
  min-height:20px;
  word-break:break-word;
}

/* responsive */
@media(max-width:768px){
  .content{
    flex-direction:column;
  }
  .left,.right{
    width:100%;
  }
}