.main-wrapper {
    display: flex;
    flex-direction: row;
    flex: 1;
    background-color: var(--main-background-color);
    overflow: hidden;
    width: 100%;
}

/***************************************************************************/
/*************  Horizontal Control (Panel-1, Panel-2 and Panel-3 ***********/
.resizable-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    width: 100%;
}

.content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.resizable-panels-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0; 
}

.resizable-panel {
    display: flex;
    flex-direction: row;
    width: calc(100% - 2 * var(--panel-padding));
    margin: 0 var(--panel-padding);
    overflow: auto;
    background-color: var(--panel-background-color);
    border-radius: 0.8rem;
    border: 0.001rem solid gray; 
    font-size: var(--panel-font-size);
}

.resizable-panel-4 {
    display: none;
    flex-direction: row;
    width: calc(100% - 2 * var(--panel-padding));
    height: 100%;
    margin: 0 var(--panel-padding);
    overflow: auto;
    background-color: var(--panel-background-color);
    border-radius: 0.8rem;
    border: 0.001rem solid gray; 
    font-size: var(--panel-font-size);
}

#panel1 {
    min-height: var(--min-panel1-height);
    scrollbar-width: none; 
    -ms-overflow-style: none; 
}

#panel1::-webkit-scrollbar {
    display: none; 
}

#panel2 {
    flex-direction: column;
    min-height: var(--min-panel2-height);
    -ms-overflow-style: none; 
}

#panel2::-webkit-scrollbar {
    display: none; 
}

.resizable-panel:first-of-type {
    margin-top: var(--panel-padding);
}

.resize-handle {
    height: var(--resize-handle-height);
    width: 100%;
    cursor: ns-resize;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.3125rem 0;
    user-select: none;
    flex-shrink: 0;
}

.resize-handle:active .resize-handle-bar {
    background-color: #666;
}

.resize-handle-horizontal {
    width: var(--resize-handle-width);
    height: 100%;
    cursor: ew-resize;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background-color: rgb(171, 169, 169);
}

.resize-handle-horizontal:active .resize-handle-bar {
    background-color: #666;
}

.bottom-fixed-panel {
    width: calc(100% - 2 * var(--panel-padding));
    height: var(--bottom-panel-height);
    min-height: var(--min-panel3-height);
    margin: var(--panel-padding);
    overflow: hidden;
    background-color: var(--panel-background-color);
    border-radius: 0.8rem;
    border: 0.001rem solid gray; 
    flex-shrink: 0;
    padding: 0.5rem 1.25rem;
    display: flex;
    align-items: center;
}

.panel-content {
    display: flex;
    align-items: center; 
    height: 100%;
}



/***************************************************************************/
/*************  SIDEBAR ****************************************************/
.sidebar {
    width: var(--sidebar-initial-width);
    min-width: var(--sidebar-min-width);
    max-width: 50vw;
    height: 100%;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none; /* IE and Edge */
    border: 0.001rem solid gray; 
    border-radius: 0.8rem;
    background-color: var(--panel-background-color);
}

.TreeView {
    flex-direction: column;
    white-space: nowrap; /* Prevents text from wrapping */
    width: 100%;
    background-color: var(--panel-background-color);
}

.TreeView_Title {
    display:flex;
    flex-direction: column;
    position: sticky;
    top: 0rem;
    font-size: 1rem;
    font-weight: bold;
    align-items: center;    
    justify-content: center;    
    background-color: var(--Table_Head_Color);
    height: var(--sidebar-title-height);
    user-select: none;
    cursor: pointer;
}


.TreeView_Files_ul {
    list-style-type: none;
    padding-left: 0.5rem;
}

.TreeView_Files {
    display: flex;
    text-align: center;
    align-items: center;
    user-select: none;
    margin-bottom: 0.0rem;
    margin-top: 1.1rem;
    background-color: var(--Channels_Table_Row_Color);
}

.Files:hover {
    font-weight: bolder;
}

.TreeView_File {
    font-size: 1.0rem;
    font-weight: bold;
}

.TreeView_SVG {
    width: 1.3rem;
    height: 1.3rem;
    min-width: 1.3rem; 
    min-height: 1.3rem; 
    flex-shrink: 0;     
    margin-left: 0.5rem;
    margin-right: 0.5rem;
}

.LabelArrow {
    font-size: 1.0rem;
    flex-shrink: 0;  
    min-width: 1.2rem; 
}


.AddMain {
    display: flex;
    flex-direction: row;
    justify-content: left;
    font-size: 0.8rem;
}

.AddTable {
    margin-right: 2.0rem;
    display: flex;
    flex-direction: column;
}

.RemoveTable {
    margin-right: 0.0rem;
    display: flex;
    flex-direction: column;
}

.SideBar_Button_Svg {
    width: var(--sidebar-height-svg);
    height: var(--sidebar-height-svg);
}


.FileListTree_Channel_li {
    display: flex;
    align-items: center;
}

.FileListTree_Channel_li_hide {
    display: none;
}

.File_CheckBox_Ch_Blue {
    margin: 0rem 0.3rem 0rem 3.5rem !important;
    border-color: blue !important;
}

.File_CheckBox_Ch_Green {
    margin: 0rem 0.5rem 0rem 0.5rem !important;
    background-color: white !important;
    border-color: #10b981 !important;
}

.File_CheckBox_Ch_Green:checked {
    background-color: #10b981 !important;
}

.LabelClass {
    margin: 0rem !important;
    user-select: none;
    white-space: pre; 
    font-size: 0.9rem;
}

.LabelClass:hover {
    font-weight: bold;
}


/***************************************************************************/
/*************  PANEL-1 ****************************************************/
.Table_Channel_Div {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: fit-content;
}

.main-table {
    width: 100%;
    height: fit-content;
    border-collapse: collapse;
    border-spacing: 0;
}

.main-table-tr {
    position: sticky;
    top: 0rem;             
    z-index: 10; 

    display: none;
    height: 3rem;
        
    align-items: center;
    justify-content: space-between !important;

    user-select: none;
    font-size: 1.0rem;
    
    background-color: var(--Table_Head_Color);
    border: 0.01rem solid black;
    margin-left: 0.5rem;
    margin-right: 0.5rem;
    
    text-align: right;
    font-weight: bold;
    border-radius: 0.25rem;
}


.toggle, .toggle2 { 
    display: none;
}

.toggle-label {
    display: block;
    width: 2.0rem;
    height: 1.0rem;
    background: #708de5;
    background: #99aeef;
    border-radius: 0.6rem;
    position: relative;
    cursor: pointer;
}

.toggle-label::before {
    content: '';
    width: 0.75rem;
    height: 0.75rem;
    background: #fff;
    border-radius: 50%;
    position: absolute;
    top: 0.12rem;
    left: 0.2rem;
    transition: left 0.2s;
}

.toggle:checked + .toggle-label { background: #61b464; }
.toggle:checked + .toggle-label::before { left: 0.99rem; }

.toggle2:checked + .toggle-label { background: #61b464; }
.toggle2:checked + .toggle-label::before { left: 0.99rem; }


.File-Name-Header {
    display: flex;
    height: 2.5rem;;
    flex-direction: row;

    text-align: center;
    align-items: center;        
    justify-content: center;  

    font-weight: bolder;
    user-select: none;
    cursor: pointer;
    background-color: var(--Table_Head_Color);
    border-top: 0.01rem solid black;
    border-left: 0.01rem solid black;
    border-right: 0.01rem solid black;
    margin-top: 0.5rem;
    margin-left: 0.5rem;
    margin-right: 0.5rem;
}

.File-Name {
    font-size: 1.1rem;
    user-select: none;
    cursor: pointer;
    padding-left: 0.5rem;
}

.File-Name-Select {
    font-size: 1rem;
    font-weight: bold;
    user-select: none;
    margin-left: 1rem;
}

.subtable-container {
    width: 100%;
    display: none;
}

.subtable-container.expanded {
    width: 100%;
    display: table-row;
}

.subtable-container-td {
    text-align: right;
}

.Channels_Table {
    table-layout: fixed;          /* Key: stops content from forcing column wider */
    width: calc(100% - 0.90rem);
    height: fit-content;
    background-color: var(--Channels_Table_Row_Color);
    margin-bottom: 1.5rem;
    margin-left: 0.45rem;
    border-bottom: 0.01rem solid black;
    border-left: 0.01rem solid black;
    border-right: 0.01rem solid black;
    border-collapse: collapse;    /* optional but usually cleaner */
}

.Channels_Table_Select {
    text-align: right;
    direction: rtl; /* Right-to-left for dropdown arrow on left */
    border: 0.01rem solid black !important;
}

.Channels_Table_Thead {
    font-size: 1.0rem;
    height: fit-content;
    user-select: none;
} 

.Channels_Table_Body_Tr {
    font-size: 1.0rem;
    user-select: none;
}

.Channels_Table_Body_Tr:hover {
    background-color: var(--Channels_Table_Row_Color_Hover);
}

.Channels_Table_Body_Td_Right {
    text-align: right;
}

.Channels_Table_Body_Td_Left {
    text-align: left;
}

.Channels_Table_Body_Td_Center {
    text-align: center;
}


.main-table-tr th:nth-child(1) { width: 15%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: left; }

.Channels_Table th:nth-child(1),
.Channels_Table td:nth-child(1) { width: 15%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: left; display: none;}

.Channels_Table th:nth-child(2), .main-table-tr th:nth-child(2),
.Channels_Table td:nth-child(2) { width: 5%; }

.Channels_Table th:nth-child(3), .main-table-tr th:nth-child(3),
.Channels_Table td:nth-child(3) { width: 8%; }

.Channels_Table th:nth-child(4), .main-table-tr th:nth-child(4),
.Channels_Table td:nth-child(4) { width: 8%; }

.Channels_Table th:nth-child(5), .main-table-tr th:nth-child(5),
.Channels_Table td:nth-child(5) { width: 15%; }

.Channels_Table th:nth-child(6), .main-table-tr th:nth-child(6),
.Channels_Table td:nth-child(6) { width: 10%; }

.Channels_Table th:nth-child(7), .main-table-tr th:nth-child(7),
.Channels_Table td:nth-child(7) { width: 10%; }

.Channels_Table th:nth-child(8), .main-table-tr th:nth-child(8),
.Channels_Table td:nth-child(8) { width: 20%; }

.Channels_Table th:nth-child(9), .main-table-tr th:nth-child(9),
.Channels_Table td:nth-child(9) { width: 10%; }



/***************************************************************************/
/*************  PANEL-2 ****************************************************/



/***************************************************************************/
/*************  PANEL-3 ****************************************************/
.ProgressBar_Label {
    font-size: 1.1rem;
    margin: 0.3rem 1rem 0.3rem 1rem;
    user-select: none;
}



/***************************************************************************/
/***** Media queries: On small screens, start with sidebar collapsed *******/
@media (max-width: 768px) {
    :root {
        --panel-padding: 0.0rem;
        --panel-font-size: 1rem;
        --min-panel1-height: 0;
        --min-panel2-height: 0;
        --min-panel3-height: 0;
        --bottom-panel-height: 1rem; 
        --resize-handle-height: 0rem;
        --sidebar-min-width: 0rem;
        --sidebar-initial-width: 0rem;
        --resize-handle-width: 0.25rem;
    }

    .panel-content {
        padding: 0.9375rem;
    }

    .resizable-panel {
        flex-direction: column;
    }

    .sidebar {
        width: var(--sidebar-min-width);
    }

    .hide-mobile {
        display: none;
    }

    .File-Name-Header, .MainHeader {
        flex-wrap: wrap;
        gap: 0.5rem;
        margin-top: 0.3rem;
        margin-left: 0.3rem;
        margin-right: 0.3rem;
        
    }

    .main-table-tr {
        flex-wrap: wrap;
        gap: 0.5rem;
        margin-top: 0.0rem;
        margin-left: 0.3rem;
        margin-right: 0.3rem !important;
    }

    .subtable-container-td {
        margin: 0rem;
    }


    .File-Name {
        font-size: 0.9rem;
    }

    .File-Name-Select {
        padding: 0.0rem 0.0rem;
    }

    .Channels_Table {
        width: calc(100% - 0.5rem);
        margin-left: 0.25rem;
        margin-right: 3.0rem;
    }

    .Channels_Table_Thead {
        font-size: 0.8rem;
    } 

    /* File Name */
    .Channels_Table th:nth-child(1), .main-table-tr th:nth-child(1),
    .Channels_Table td:nth-child(1) { width: 15%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: left; display: none;}

    /* Ch Name */
    .Channels_Table th:nth-child(2), .main-table-tr th:nth-child(2),
    .Channels_Table td:nth-child(2) { width: 5%; text-align: center; }

    /* Length */
    .Channels_Table th:nth-child(3), .main-table-tr th:nth-child(3),
    .Channels_Table td:nth-child(3) { width: 8%;  display: none; }

    /* Sampling */
    .Channels_Table th:nth-child(4), .main-table-tr th:nth-child(4),
    .Channels_Table td:nth-child(4) { width: 8%;  display: none; }

    /* Type */
    .Channels_Table th:nth-child(5), .main-table-tr th:nth-child(5),
    .Channels_Table td:nth-child(5) { width: 20%; }

    /* Unit */
    .Channels_Table th:nth-child(6), .main-table-tr th:nth-child(6),
    .Channels_Table td:nth-child(6) { width: 10%; }

    /* Scale Factor */
    .Channels_Table th:nth-child(7), .main-table-tr th:nth-child(7),
    .Channels_Table td:nth-child(7) { width: 10%; }

    /* Date And Time */
    .Channels_Table th:nth-child(8), .main-table-tr th:nth-child(8),
    .Channels_Table td:nth-child(8) { width: 20%;  display: none; }

    /* Azimuth */
    .Channels_Table th:nth-child(9), .main-table-tr th:nth-child(9),
    .Channels_Table td:nth-child(9) { width: 10%;  display: none; }

    
    .Channels_Table_Body_Tr {
        font-size: 0.8rem;
    }

    .expand-icon {
        margin-right: 0rem
    }

    .toggle-label {
        margin-left: 0.0rem;
        margin-right: 0.0rem;
    }

    .ProgressBar_Label {
        font-size: 0.8rem;
    }


    .bottom-fixed-panel {
        height: var(--bottom-panel-height);
    }


}