.dd{max-width:600px;font-size:13px;line-height:20px}.dd,.dd-list{position:relative;display:block;margin:0;padding:0;list-style:none}.dd-list .dd-list{padding-left:30px}.dd-empty,.dd-item,.dd-placeholder{display:block;position:relative;margin:0;padding:0;min-height:20px;font-size:13px;line-height:20px}.dd-item>button{position:relative;cursor:pointer;float:left;width:25px;height:20px;margin:5px 0;padding:0;text-indent:100%;white-space:nowrap;overflow:hidden;border:0;background:0 0;font-size:12px;line-height:1;text-align:center;font-weight:700}.dd-item>button:before{display:block;position:absolute;width:100%;text-align:center;text-indent:0}.dd-item>button.dd-expand:before{content:"+"}.dd-item>button.dd-collapse:before{content:"-"}.dd-collapsed .dd-collapse,.dd-collapsed .dd-list,.dd-expand{display:none}.dd-collapsed .dd-expand{display:block}.dd-empty,.dd-placeholder{margin:5px 0;padding:0;min-height:30px;background:#f2fbff;border:1px dashed #b6bcbf;box-sizing:border-box;-moz-box-sizing:border-box}.dd-empty{border:1px dashed #bbb;min-height:100px;background-color:#e5e5e5;background-size:60px 60px;background-position:0 0,30px 30px}.dd-dragel{position:absolute;pointer-events:none;z-index:9999}.dd-dragel>.dd-item .dd-handle{margin-top:0}.dd-dragel .dd-handle{box-shadow:2px 4px 6px 0 #0000001a}.dd-nochildren .dd-placeholder{display:none}.dd{max-width:none}.dd-handle{height:55px}.dd-item>button{height:45px}.btn-group{display:flex;gap:1px}.btn-group button{border-radius:0}.btn-group button:first-of-type{border-top-left-radius:.5rem;border-bottom-left-radius:.5rem}.btn-group button:last-of-type{border-top-right-radius:.5rem;border-bottom-right-radius:.5rem}