Fix #70555 - don't hardcode panelInput border color

src/vs/workbench/browser/parts/panel/panelPart.ts

@@ -20,7 +20,7 @@ import { IKeybindingService } from 'vs/platform/keybinding/common/keybinding';
 import { IInstantiationService, ServiceIdentifier } from 'vs/platform/instantiation/common/instantiation';
 import { ClosePanelAction, TogglePanelPositionAction, PanelActivityAction, ToggleMaximizedPanelAction, TogglePanelAction } from 'vs/workbench/browser/parts/panel/panelActions';
 import { IThemeService, registerThemingParticipant, ITheme, ICssStyleCollector } from 'vs/platform/theme/common/themeService';
-import { PANEL_BACKGROUND, PANEL_BORDER, PANEL_ACTIVE_TITLE_FOREGROUND, PANEL_INACTIVE_TITLE_FOREGROUND, PANEL_ACTIVE_TITLE_BORDER, PANEL_DRAG_AND_DROP_BACKGROUND } from 'vs/workbench/common/theme';
+import { PANEL_BACKGROUND, PANEL_BORDER, PANEL_ACTIVE_TITLE_FOREGROUND, PANEL_INACTIVE_TITLE_FOREGROUND, PANEL_ACTIVE_TITLE_BORDER, PANEL_DRAG_AND_DROP_BACKGROUND, PANEL_INPUT_BORDER } from 'vs/workbench/common/theme';
 import { activeContrastBorder, focusBorder, contrastBorder, editorBackground, badgeBackground, badgeForeground } from 'vs/platform/theme/common/colorRegistry';
 import { CompositeBar, ICompositeBarItem } from 'vs/workbench/browser/parts/compositeBar';
 import { ToggleCompositePinnedAction } from 'vs/workbench/browser/parts/compositeBarActions';
@@ -484,8 +484,6 @@ registerThemingParticipant((theme: ITheme, collector: ICssStyleCollector) => {
 	// Styling with Outline color (e.g. high contrast theme)
 	const outline = theme.getColor(activeContrastBorder);
 	if (outline) {
-		const outline = theme.getColor(activeContrastBorder);
-
 		collector.addRule(`
 			.monaco-workbench .part.panel > .title > .panel-switcher-container > .monaco-action-bar .action-item.checked .action-label,
 			.monaco-workbench .part.panel > .title > .panel-switcher-container > .monaco-action-bar .action-item .action-label:hover {
@@ -502,6 +500,15 @@ registerThemingParticipant((theme: ITheme, collector: ICssStyleCollector) => {
 			}
 		`);
 	}
+
+	const inputBorder = theme.getColor(PANEL_INPUT_BORDER);
+	if (inputBorder) {
+		collector.addRule(`
+			.monaco-workbench .part.panel .monaco-inputbox {
+				border-color: ${inputBorder}
+			}
+		`);
+	}
 });
 
 registerSingleton(IPanelService, PanelPart);
\ No newline at end of file

src/vs/workbench/common/theme.ts

@@ -235,6 +235,11 @@ export const PANEL_DRAG_AND_DROP_BACKGROUND = registerColor('panel.dropBackgroun
 	hc: Color.white.transparent(0.12)
 }, nls.localize('panelDragAndDropBackground', "Drag and drop feedback color for the panel title items. The color should have transparency so that the panel entries can still shine through. Panels are shown below the editor area and contain views like output and integrated terminal."));
 
+export const PANEL_INPUT_BORDER = registerColor('panelInput.border', {
+	dark: null,
+	light: Color.fromHex('#ddd'),
+	hc: null
+}, nls.localize('panelInputBorder', "Input box border for inputs in the panel."));
 
 // < --- Status --- >
 

src/vs/workbench/contrib/markers/browser/media/markers.css

@@ -33,7 +33,7 @@
 
 .vs .monaco-action-bar .markers-panel-action-filter .monaco-inputbox {
 	height: 25px;
-	border: 1px solid #ddd;
+	border: 1px solid transparent;
 }
 
 .markers-panel-action-filter > .markers-panel-filter-controls {

src/vs/workbench/contrib/search/browser/media/searchview.css

@@ -394,5 +394,5 @@
 }
 
 .vs .search-panel .search-view .monaco-inputbox {
-	border: 1px solid #ddd;
+	border: 1px solid transparent;
 }