.sort-buttons button {
            border: none;
            background: none;
            cursor: pointer;
            font-size: 12px;
            width:10px;
            padding:0px;
            margin-left:5px;
        }



        .treeview ul {
            list-style-type: none;
            padding-left: 20px;
            display: block;
        }
        .treeview label {
            cursor: pointer;
        }
        .treeview .toggle {
            display: block;
        }
        .treeview .toggle-btn {
            cursor: pointer;
            font-weight: bold;
            margin-right: 5px;
            
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 12px;
            height: 12px;
            border: 1px solid black;
            font-size: 12px;
            line-height: 14px;
            text-align: center;
            background-color: #fffdb9;
        }


        .kanban-board {
            display: flex;
            gap: 15px;
            overflow-x: auto;
            padding: 20px;
        }
        .kanban-column {
            background: #ffffff;
            border-radius: 10px;
            padding: 10px;
            width: 280px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        .kanban-column h4 {
            background: #364150;
            color: white;
            padding: 5px;
            border-radius: 5px;
            text-align: center;
            font-size: 15px;
        }
        .kanban-item {
            background: #e9ecef;
            margin: 10px 0;
            padding: 12px;
            border-radius: 5px;
            font-size: 13px;
        }
        .kanban-item p {
            margin: 2px 0;
        }