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

.left{
  width:35%;
}

.right{
  width:65%;
}

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

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

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

textarea{
  min-height:500px;
  resize:vertical;
  font-family:Arial;
}

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

.app{
  background:linear-gradient(135deg,#0a3d62,#07517d);
  color:#fff;
  border:none;
  padding:12px 15px;
  border-radius:5px;
  cursor:pointer;
  flex:1;
}

.app:hover{
  opacity:.95;
}

@media(max-width:768px){

  .content{
    flex-direction:column;
  }

  .left,
  .right{
    width:100%;
  }

  .btns{
    flex-direction:column;
  }

}

#fileList{
  min-height:300px;
  max-height:500px;
  overflow:auto;
  border:1px solid #ddd;
  border-radius:6px;
  padding:10px;
  background:#fff;
}

.file-item{
  padding:10px;
  margin-bottom:8px;
  background:#f7f7f7;
  border:1px solid #eee;
  border-radius:6px;
}