@media (max-width:768px){

  /* grid 해제 */
  .body-area{
    display:block !important;
  }

  /* 우측 보관함 숨김 */
  .right-area{
    display:none !important;
  }

  /* 상단 여백 정리 */
  .topbar{
    height:auto !important;
    padding:8px 10px;
  }

  .topbar-row{
    flex-wrap:wrap;
    padding:0 10px !important;
  }

  .top-left{
    width:100%;
    font-size:15px;
    margin-bottom:6px;
  }

  .top-right{
    width:100%;
    display:flex;
    flex-wrap:wrap;
    gap:6px;
    margin-bottom:6px;
  }

  .top-right button{
    font-size:12px;
    padding:4px 8px;
  }

  /* 좌측 메뉴를 상단 가로 메뉴로 변경 */
  .sidebar{
    width:100% !important;
    background:#fff !important;
    padding:6px 6px 8px;
    border-bottom:1px solid #e5e7eb;
  }

  .sidebar nav,
  .sidebar .menu{
    display:flex !important;
    flex-direction:row !important;
    gap:6px;
    overflow-x:auto;
    white-space:nowrap;
  }

  .sidebar a{
    flex:0 0 auto;
    padding:6px 10px;
    font-size:13px;
    background:#f3f4f6;
    border-radius:8px;
    text-decoration:none;
  }

  .sidebar a.active{
    background:#2563eb;
    color:#fff;
  }

  /* 메인 영역 */
  .main-area{
    margin:0 !important;
    padding:12px;
  }

}