.overlay{
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,.55);
      display: none;
      align-items: center;
      justify-content: center;
      padding: 16px;
      z-index: 9999;
    }
    .overlay.open{ display: flex; }

    .modal{
      width: 100%;
      max-width: 550px;
      background: #fff;
      border-radius: 16px;
      box-shadow: 0 10px 30px rgba(0,0,0,.25);
      overflow: hidden;
      transform: translateY(6px);
    }
    .modal-header{
      padding: 0px 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }
    .modal-footer{
      padding: 14px 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }
    .modal-header{ border-bottom: 1px solid #eee; }
    .modal-body{ padding: 16px; }
    .close{
      border: none;
      background: transparent;
      font-size: 20px;
      cursor: pointer;
    }
    .modal-footer{
      border-top: 1px solid #eee;
      justify-content: flex-end;
    }
    .modal-footer button{
      padding: 10px 14px;
      border: 1px solid #ddd;
      border-radius: 10px;
      background: #f7f7f7;
      cursor: pointer;
    }