#root-header {
    position: relative;
    justify-content: center;
}

#refresh-btn {
    box-sizing: border-box;
    border: none;
    padding: 10px;
    background-color: transparent;
    color: white;
    font-size: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    left: 0;
}

#clear-history-files-btn {
    box-sizing: border-box;
    border: none;
    padding: 10px;
    background-color: transparent;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    right: 0;
}

#root-content {
    padding-top: 10px;
    flex-direction: row;
    gap: 10px;
    overflow: hidden;
}

#root-sidebar {
    width: 20%;
    flex-shrink: 0;
    border-right: 1px solid gray;
    padding-right: 10px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    overflow-y: auto;
}

#root-files {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
    overflow-y: auto;
}

.sidebar-item {
    box-sizing: border-box;
    border: 1px solid gray;
    border-radius: 8px;
    padding: 10px;
    height: 30px;
    background-color: transparent;
    color: gray;
    font-size: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-item:hover {
    border-color: white;
    color: white;
}

.sidebar-item-selected {
    border-color: white;
    color: white;
    background-color: rgba(255, 255, 255, 0.125);
}

.file-item {
    box-sizing: border-box;
    border: 1px solid gray;
    border-radius: 8px;
    padding: 10px;
    height: 30px;
    background-color: transparent;
    color: gray;
    font-size: inherit;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.file-item:hover {
    border-color: white;
    color: white;
}

.expr-element-item {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0;
    text-align: left;
    padding-right: 10px;
}