:root.highcontrast {
    /* Base colors */
    --text-color: black;
    --text-color-link: blue;
    --text-color-disabled: #999;
    --container-bg-color: white;
    --input-bg-color: white;
    --input-bg-color-disabled: white;
    --border-color: black;
    --color-active: blue;
    --focus-outline: 2px solid black;
    /* Tooltips */
    --tooltip-bg-color: rgba(0, 0, 0, 0.75);
    --tooltip-text-color: white;
    --tooltip-border-color: black;
    /* Map buttons */
    --map-button-bg-color: black;
    --map-button-text-color: white;
    --map-button-hover-bg-color: white;
    --map-button-hover-text-color: black;
    --map-button-active-bg-color: white;
    --map-button-active-text-color: black;
    /* Panels (topbar and bottom bar) */
    --panel-bg-color: rgba(255, 255, 255, 0.85);
    --panel-text-color: black;
    /* Titlebars */
    --titlebar-bg-color: black;
    --titlebar-text-color: white;
    /* Button */
    --button-bg-color: white;
    --button-bg-color-hover: #ddd;
    --button-bg-color-active: black;
    --button-bg-color-active-hover: #222;
    --button-bg-color-disabled: white;
    --button-text-color: black;
    --button-text-color-hover: black;
    --button-text-color-active: white;
    --button-text-color-active-hover: white;
    --button-text-color-disabled: #999;
    /* List */
    --list-bg-color: white;
    --list-section-bg-color: black;
    --list-section-text-color: white;
    --list-item-bg-color-even: #eee;
    --list-item-bg-color-hover: #ddd;
    --list-item-bg-color-active: #aaa;
    --list-item-bg-color-active-hover: #bbb;
    --list-item-text-color-hover: black;
    --list-item-text-color-active: black;
    --list-item-text-color-active-hover: black;
    /* App menu */
    --app-menu-bg-color: white;
    --app-menu-text-color: black;
    --app-menu-bg-color-hover: #ddd;
    --app-menu-text-color-hover: black;
    --app-submenu-bg-color: black;
    --app-submenu-text-color: white;
    --app-submenu-bg-color-hover: #222;
    --app-submenu-text-color-hover: white;
}

:root.dark {
    /* Base colors */
    --text-color: white;
    --text-color-link: #AAAAFF;
    --container-bg-color: #333;
    --input-bg-color: #3f3f3f;
    --input-bg-color-disabled: #252526;
    --text-color-disabled: #999;
    --border-color: #2c2c2c;
    --color-active: #AAAAFF;
    --focus-outline: 2px solid #007acc;
    /* Tooltips */
    --tooltip-bg-color: rgba(0, 0, 0, 0.75);
    --tooltip-text-color: white;
    --tooltip-border-color: black;
    /* Map buttons */
    --map-button-bg-color: #595959;
    --map-button-text-color: white;
    --map-button-hover-bg-color: #f2f2f2;
    --map-button-hover-text-color: #595959;
    --map-button-active-bg-color: #f2f2f2;
    --map-button-active-text-color: #595959;
    /* Panels (topbar and bottom bar) */
    --panel-bg-color: rgba(42, 46, 50, 0.85);
    --panel-text-color: white;
    /* Titlebars */
    --titlebar-bg-color: #475057;
    --titlebar-text-color: white;
    /* Button */
    --button-bg-color: #3f3f3f;
    --button-bg-color-hover: #3a3a3a;
    --button-bg-color-active: #202020;
    --button-bg-color-active-hover: #1a1a1a;
    --button-bg-color-disabled: #333;
    --button-text-color: white;
    --button-text-color-hover: white;
    --button-text-color-active: white;
    --button-text-color-active-hover: white;
    --button-text-color-disabled: #666;
    /* List */
    --list-bg-color: #3f3f3f;
    --list-section-bg-color: black;
    --list-section-text-color: white;
    --list-item-bg-color-even: #393939;
    --list-item-bg-color-hover: #292929;
    --list-item-bg-color-active: #1f1f1f;
    --list-item-bg-color-active-hover: #0f0f0f;
    --list-item-text-color-hover: white;
    --list-item-text-color-active: white;
    --list-item-text-color-active-hover: white;
    /* App menu */
    --app-menu-bg-color: #4f4f4f;
    --app-menu-text-color: white;
    --app-menu-bg-color-hover: #666;
    --app-menu-text-color-hover: white;
    --app-submenu-bg-color: #222;
    --app-submenu-text-color: white;
    --app-submenu-bg-color-hover: #404040;
    --app-submenu-text-color-hover: white;
}