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



  .left{
    width:35%;
  }

  .right{
    width:65%;
  }
.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:1px solid #ccc;
  border-radius:6px;
  box-sizing: border-box;
}

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

.app{
  flex:1;
  min-width:120px;
  padding:12px;
  border:none;
  border-radius:4px;
  cursor:pointer;
  color:#fff;
  background:linear-gradient(135deg,#0a3d62,#07517d);
}

#preview{
  font-size:13px;
  white-space:pre-line;
  min-height: 20vh;
}

@media (max-width: 768px) {
.left,
.right{
  width:100%;
}
.content{
    flex-wrap: wrap;
}
  .btns{
    flex-wrap:nowrap;
  }
}