:root {
    --app-background-image: radial-gradient(ellipse farthest-side at 75% top, #55A0B9 -100%, #0077A1 40%, #006B91 75%,  #006487 100%);
    
    --hover-icon-text-color: #ffcd50;

    --menu-item-color: #1E1E1E;
    --menu-item-pressed: #CDE6EB;

    --sidebar-text-color: var(--white);
    --sidebar-icon-color: var(--white);
    --sidebar-button-pressed: var(--SIE-Blue-1);
    --sidebar-button-hovered: #2882ad;
    --sidebar-button-pressed-right-border: 6px;

    --sidebar-panel-bg-color: var(--SIE-Blue-1);
    --sidebar-panel-text-color: var(--white);

    --panel-icon-color: var(--white);
    --panel-search-box-border: #FFFFFF;
    --panel-search-box-border-focus: #AAE6F5;
    --panel-pagination-btn-color: #004669;
    --panel-pagination-btn-border-color: #3296b9;
    --panel-pagination-btn-color-hover: #004669;
    --panel-pagination-btn-border-color-hover: #3296b9;
    --panel-pagination-btn-text-hover: var(--white);
    --panel-pagination-btn-color-active: var(--hover-yellow);
    --panel-pagination-btn-border-color-active: var(--hover-yellow);
    --panel-pagination-btn-text-active: var(--SIE-Blue-3);
    
    --expansion-box-title-bar-color: #004669;
    --expansion-box-title-bar-hover-color: #004669;

    --tree-node-hover-color: #004669;
    --tree-node-text-color: var(--white);

    --zone-title-hover-color: #004669;

    --search-text-color: #DCDCDC;
    --discussion-textarea-border: #FFFFFF;
    --discussion-textarea-border-focus: #FFFFFF;
    --comment-section-background: #004669;

    --checkbox-bg-color: var(--checkbox-bg-color-dark);
    --checkbox-border-color: var(--checkbox-border-color-dark);
    --checkbox-border-hovered-color: var(--checkbox-border-hovered-color-dark);
    --checkbox-pressed-bg-color: var(--checkbox-pressed-bg-color-dark);
    --checkbox-disabled-color: var(--checkbox-disabled-color-dark);
    --checkbox-ripple-bg-color: var(--checkbox-ripple-bg-color-dark);
    --checkbox-checkmark-color: var(--checkbox-checkmark-color-dark);

    --slider-track-color: rgba(0, 0, 0, 0.15);
    --slider-thumb-color: rgba(255, 255, 255, 0.50);
    --slider-thumb-hover-color: rgba(255, 255, 255, 0.75);

}