diff --git a/extensions/theme-2026/themes/2026-light.json b/extensions/theme-2026/themes/2026-light.json
index f11ffef2905..c7436172426 100644
--- a/extensions/theme-2026/themes/2026-light.json
+++ b/extensions/theme-2026/themes/2026-light.json
@@ -11,7 +11,7 @@
 		"icon.foreground": "#606060",
 		"focusBorder": "#0069CCFF",
 		"textBlockQuote.background": "#EAEAEA",
-		"textBlockQuote.border": "#F2F3F4FF",
+		"textBlockQuote.border": "#F0F1F2FF",
 		"textCodeBlock.background": "#EAEAEA",
 		"textLink.foreground": "#0069CC",
 		"textLink.activeForeground": "#0069CC",
@@ -38,7 +38,7 @@
 		"input.placeholderForeground": "#999999",
 		"inputOption.activeBackground": "#0069CC26",
 		"inputOption.activeForeground": "#202020",
-		"inputOption.activeBorder": "#F2F3F4FF",
+		"inputOption.activeBorder": "#F0F1F2FF",
 		"inputValidation.infoBackground": "#E6F2FA",
 		"inputValidation.infoBorder": "#0069CC",
 		"inputValidation.infoForeground": "#202020",
@@ -79,7 +79,7 @@
 		"activityBar.background": "#FAFAFD",
 		"activityBar.foreground": "#202020",
 		"activityBar.inactiveForeground": "#606060",
-		"activityBar.border": "#F2F3F4FF",
+		"activityBar.border": "#F0F1F2FF",
 		"activityBar.activeBorder": "#000000",
 		"activityBar.activeFocusBorder": "#0069CCFF",
 		"activityBarBadge.background": "#0069CC",
@@ -87,16 +87,16 @@
 		"activityBarTop.activeBorder": "#000000",
 		"sideBar.background": "#FAFAFD",
 		"sideBar.foreground": "#202020",
-		"sideBar.border": "#F2F3F4FF",
+		"sideBar.border": "#F0F1F2FF",
 		"sideBarTitle.foreground": "#202020",
 		"sideBarSectionHeader.background": "#FAFAFD",
 		"sideBarSectionHeader.foreground": "#202020",
-		"sideBarSectionHeader.border": "#F2F3F4FF",
+		"sideBarSectionHeader.border": "#F0F1F2FF",
 		"titleBar.activeBackground": "#FAFAFD",
 		"titleBar.activeForeground": "#606060",
 		"titleBar.inactiveBackground": "#FAFAFD",
 		"titleBar.inactiveForeground": "#606060",
-		"titleBar.border": "#F2F3F4FF",
+		"titleBar.border": "#F0F1F2FF",
 		"menubar.selectionBackground": "#EAEAEA",
 		"menubar.selectionForeground": "#202020",
 		"menu.background": "#FAFAFD",
@@ -104,7 +104,7 @@
 		"menu.selectionBackground": "#0069CC1A",
 		"menu.selectionForeground": "#202020",
 		"menu.separatorBackground": "#EEEEF1",
-		"menu.border": "#F2F3F4FF",
+		"menu.border": "#F0F1F2FF",
 		"commandCenter.foreground": "#202020",
 		"commandCenter.activeForeground": "#202020",
 		"commandCenter.background": "#FAFAFD",
@@ -133,7 +133,7 @@
 		"editorRuler.foreground": "#F7F7F7",
 		"editorCodeLens.foreground": "#606060",
 		"editorBracketMatch.background": "#0069CC40",
-		"editorBracketMatch.border": "#F2F3F4FF",
+		"editorBracketMatch.border": "#F0F1F2FF",
 		"editorWidget.background": "#F0F0F3",
 		"editorWidget.border": "#EEEEF1",
 		"editorWidget.foreground": "#202020",
@@ -160,7 +160,7 @@
 		"editorGutter.deletedBackground": "#ad0707",
 		"diffEditor.insertedTextBackground": "#587c0c26",
 		"diffEditor.removedTextBackground": "#ad070726",
-		"editorOverviewRuler.border": "#F2F3F4FF",
+		"editorOverviewRuler.border": "#F0F1F2FF",
 		"editorOverviewRuler.findMatchForeground": "#0069CC99",
 		"editorOverviewRuler.modifiedForeground": "#0069CC",
 		"editorOverviewRuler.addedForeground": "#587c0c",
@@ -169,13 +169,13 @@
 		"editorOverviewRuler.warningForeground": "#667309",
 		"editorGutter.background": "#FFFFFF",
 		"panel.background": "#FAFAFD",
-		"panel.border": "#F2F3F4FF",
+		"panel.border": "#F0F1F2FF",
 		"panelTitle.activeBorder": "#000000",
 		"panelTitle.activeForeground": "#202020",
 		"panelTitle.inactiveForeground": "#606060",
 		"statusBar.background": "#FAFAFD",
 		"statusBar.foreground": "#606060",
-		"statusBar.border": "#F2F3F4FF",
+		"statusBar.border": "#F0F1F2FF",
 		"statusBar.focusBorder": "#0069CCFF",
 		"statusBar.debuggingBackground": "#0069CC",
 		"statusBar.debuggingForeground": "#FFFFFF",
@@ -192,8 +192,8 @@
 		"tab.activeForeground": "#202020",
 		"tab.inactiveBackground": "#FAFAFD",
 		"tab.inactiveForeground": "#606060",
-		"tab.border": "#F2F3F4FF",
-		"tab.lastPinnedBorder": "#F2F3F4FF",
+		"tab.border": "#F0F1F2FF",
+		"tab.lastPinnedBorder": "#F0F1F2FF",
 		"tab.activeBorder": "#FAFAFD",
 		"tab.activeBorderTop": "#000000",
 		"tab.hoverBackground": "#DADADA4f",
@@ -203,19 +203,19 @@
 		"tab.unfocusedInactiveBackground": "#FAFAFD",
 		"tab.unfocusedInactiveForeground": "#BBBBBB",
 		"editorGroupHeader.tabsBackground": "#FAFAFD",
-		"editorGroupHeader.tabsBorder": "#F2F3F4FF",
+		"editorGroupHeader.tabsBorder": "#F0F1F2FF",
 		"breadcrumb.foreground": "#606060",
 		"breadcrumb.background": "#FFFFFF",
 		"breadcrumb.focusForeground": "#202020",
 		"breadcrumb.activeSelectionForeground": "#202020",
 		"breadcrumbPicker.background": "#F0F0F3",
-		"notificationCenter.border": "#F2F3F4FF",
+		"notificationCenter.border": "#F0F1F2FF",
 		"notificationCenterHeader.foreground": "#202020",
 		"notificationCenterHeader.background": "#FAFAFD",
-		"notificationToast.border": "#F2F3F4FF",
+		"notificationToast.border": "#F0F1F2FF",
 		"notifications.foreground": "#202020",
 		"notifications.background": "#FAFAFD",
-		"notifications.border": "#F2F3F4FF",
+		"notifications.border": "#F0F1F2FF",
 		"notificationLink.foreground": "#0069CC",
 		"notificationsWarningIcon.foreground": "#B69500",
 		"notificationsErrorIcon.foreground": "#ad0707",
@@ -250,7 +250,7 @@
 		"quickInput.border": "#D8D8D8",
 		"gauge.foreground": "#0069CC",
 		"gauge.background": "#0069CC40",
-		"gauge.border": "#F2F3F4FF",
+		"gauge.border": "#F0F1F2FF",
 		"gauge.warningForeground": "#B69500",
 		"gauge.warningBackground": "#B6950040",
 		"gauge.errorForeground": "#ad0707",
diff --git a/extensions/theme-2026/themes/styles.css b/extensions/theme-2026/themes/styles.css
index 45271d56843..af33a765e77 100644
--- a/extensions/theme-2026/themes/styles.css
+++ b/extensions/theme-2026/themes/styles.css
@@ -14,7 +14,6 @@
 	--shadow-xl: 0 0 20px rgba(0, 0, 0, 0.15);
 	--shadow-hover: 0 0 8px rgba(0, 0, 0, 0.12);
 	--shadow-sm-strong: 0 0 4px rgba(0, 0, 0, 0.18);
-	--shadow-button-active: inset 0 1px 2px rgba(0, 0, 0, 0.1);
 	--shadow-active-tab: 0 8px 12px rgba(0, 0, 0, 0.02);
 
 	/* Panel depth shadows cast onto the editor surface */
@@ -212,10 +211,6 @@
 	border-radius: var(--radius-lg);
 }
 
-.monaco-workbench.vs .interactive-session .chat-input-container {
-	box-shadow: inset var(--shadow-sm);
-}
-
 .monaco-workbench .interactive-session .interactive-input-part .chat-editor-container .interactive-input-editor .monaco-editor,
 .monaco-workbench .interactive-session .chat-editing-session .chat-editing-session-container {
 	border-radius: var(--radius-lg) var(--radius-lg) 0 0;
@@ -466,11 +461,7 @@
 }
 
 /* Input Boxes */
-.monaco-workbench .monaco-inputbox,
-.monaco-workbench .suggest-input-container {
-	box-shadow: inset var(--shadow-sm);
-	border: none;
-}
+
 
 .monaco-inputbox .monaco-action-bar .action-item .codicon,
 .monaco-workbench .search-container .input-box,
@@ -484,12 +475,6 @@
 	color: var(--vscode-icon-foreground) !important;
 }
 
-/* Buttons */
-
-.monaco-workbench .monaco-button:active {
-	box-shadow: var(--shadow-button-active);
-}
-
 /* Todo List Widget - remove shadows from buttons */
 .monaco-workbench.vs .chat-todo-list-widget .todo-list-expand .monaco-button,
 .monaco-workbench.vs .chat-todo-list-widget .todo-list-expand .monaco-button:hover,
@@ -628,7 +613,6 @@
 /* Notebook */
 
 .monaco-workbench .notebookOverlay .monaco-list-row .cell-editor-part:before {
-	box-shadow: inset var(--shadow-sm);
 	border-radius: var(--radius-md);
 }
 
@@ -653,7 +637,6 @@
 
 /* Command Center */
 .monaco-workbench .part.titlebar > .titlebar-container > .titlebar-center > .window-title > .command-center .action-item.command-center-center {
-	box-shadow: inset var(--shadow-sm) !important;
 	border-radius: var(--radius-lg) !important;
 	background: color-mix(in srgb, var(--vscode-commandCenter-background) 60%, transparent) !important;
 	-webkit-backdrop-filter: var(--backdrop-blur-md);
@@ -661,12 +644,10 @@
 }
 
 .monaco-workbench .part.titlebar > .titlebar-container > .titlebar-center > .window-title > .command-center .action-item.command-center-center:hover {
-	box-shadow: inset var(--shadow-sm) !important;
 	background: color-mix(in srgb, var(--vscode-commandCenter-activeBackground) 60%, transparent) !important;
 }
 
 .monaco-workbench .part.titlebar .command-center .agent-status-pill {
-	box-shadow: inset var(--shadow-sm);
 	border-color: var(--vscode-input-border);
 }