diff --git a/kde/gui/ChatBlockDelegate.qml b/kde/gui/ChatBlockDelegate.qml
index de44fd9..d0c3a63 100644
--- a/kde/gui/ChatBlockDelegate.qml
+++ b/kde/gui/ChatBlockDelegate.qml
@@ -139,9 +139,9 @@ Column {
                 // Copy block content
                 ToolButton {
                     text: "📋"
-                    font.pixelSize: 12
-                    implicitWidth: 24
-                    implicitHeight: 22
+                    font.pointSize: theme.fontSize > 0 ? theme.fontSize * 0.9 : 11
+                    implicitWidth: theme.fontSize > 0 ? theme.fontSize * 2 : 28
+                    implicitHeight: theme.fontSize > 0 ? theme.fontSize * 1.8 : 24
                     ToolTip.visible: hovered
                     ToolTip.text: "Copy"
                     onClicked: {
@@ -153,9 +153,9 @@ Column {
                 // Retry (assistant blocks only)
                 ToolButton {
                     text: "🔄"
-                    font.pixelSize: 12
-                    implicitWidth: 24
-                    implicitHeight: 22
+                    font.pointSize: theme.fontSize > 0 ? theme.fontSize * 0.9 : 11
+                    implicitWidth: theme.fontSize > 0 ? theme.fontSize * 2 : 28
+                    implicitHeight: theme.fontSize > 0 ? theme.fontSize * 1.8 : 24
                     visible: blockType === "assistant" || blockType === "error"
                     ToolTip.visible: hovered
                     ToolTip.text: "Retry"
@@ -165,9 +165,9 @@ Column {
                 // Continue (assistant blocks only)
                 ToolButton {
                     text: "➡️"
-                    font.pixelSize: 12
-                    implicitWidth: 24
-                    implicitHeight: 22
+                    font.pointSize: theme.fontSize > 0 ? theme.fontSize * 0.9 : 11
+                    implicitWidth: theme.fontSize > 0 ? theme.fontSize * 2 : 28
+                    implicitHeight: theme.fontSize > 0 ? theme.fontSize * 1.8 : 24
                     visible: blockType === "assistant"
                     ToolTip.visible: hovered
                     ToolTip.text: "Continue"
@@ -177,9 +177,9 @@ Column {
                 // Edit & Resend (user blocks only)
                 ToolButton {
                     text: "✏️"
-                    font.pixelSize: 12
-                    implicitWidth: 24
-                    implicitHeight: 22
+                    font.pointSize: theme.fontSize > 0 ? theme.fontSize * 0.9 : 11
+                    implicitWidth: theme.fontSize > 0 ? theme.fontSize * 2 : 28
+                    implicitHeight: theme.fontSize > 0 ? theme.fontSize * 1.8 : 24
                     visible: blockType === "user"
                     ToolTip.visible: hovered
                     ToolTip.text: "Copy to input for editing"
@@ -193,9 +193,9 @@ Column {
                 // Bookmark
                 ToolButton {
                     text: root.isBookmarked ? "🔖" : "📌"
-                    font.pixelSize: 12
-                    implicitWidth: 24
-                    implicitHeight: 22
+                    font.pointSize: theme.fontSize > 0 ? theme.fontSize * 0.9 : 11
+                    implicitWidth: theme.fontSize > 0 ? theme.fontSize * 2 : 28
+                    implicitHeight: theme.fontSize > 0 ? theme.fontSize * 1.8 : 24
                     ToolTip.visible: hovered
                     ToolTip.text: root.isBookmarked ? "Remove bookmark" : "Bookmark"
                     onClicked: {
diff --git a/kde/gui/SessionTree.qml b/kde/gui/SessionTree.qml
index aa4b641..2676102 100644
--- a/kde/gui/SessionTree.qml
+++ b/kde/gui/SessionTree.qml
@@ -419,15 +419,15 @@ Item {
                     
                     delegate: ItemDelegate {
                         width: bookmarksList.width
-                        height: 36
+                        height: theme.fontSize > 0 ? theme.fontSize * 3 : 36
                         
                         property string ollieUrl: "ollie://" + encodeURIComponent(sessionName) + "/" + encodeURIComponent(agentName) + "#" + blockIndex
                         
                         RowLayout {
                             anchors.fill: parent
-                            anchors.leftMargin: 8
-                            anchors.rightMargin: 4
-                            spacing: 4
+                            anchors.leftMargin: theme.fontSize > 0 ? theme.fontSize * 0.6 : 8
+                            anchors.rightMargin: theme.fontSize > 0 ? theme.fontSize * 0.3 : 4
+                            spacing: theme.fontSize > 0 ? theme.fontSize * 0.3 : 4
                             
                             Column {
                                 Layout.fillWidth: true
@@ -450,8 +450,9 @@ Item {
                             
                             ToolButton {
                                 text: "📋"
-                                implicitWidth: 20
-                                implicitHeight: 20
+                                font.pointSize: theme.fontSize > 0 ? theme.fontSize * 0.9 : 11
+                                implicitWidth: theme.fontSize > 0 ? theme.fontSize * 2 : 28
+                                implicitHeight: theme.fontSize > 0 ? theme.fontSize * 1.8 : 24
                                 onClicked: clipboard.setText(ollieUrl)
                                 ToolTip.visible: hovered
                                 ToolTip.delay: 500
@@ -460,9 +461,13 @@ Item {
                             
                             ToolButton {
                                 text: "✕"
-                                implicitWidth: 20
-                                implicitHeight: 20
+                                font.pointSize: theme.fontSize > 0 ? theme.fontSize * 0.9 : 11
+                                implicitWidth: theme.fontSize > 0 ? theme.fontSize * 2 : 28
+                                implicitHeight: theme.fontSize > 0 ? theme.fontSize * 1.8 : 24
                                 onClicked: root.removeBookmark(sessionId, agentId, blockIndex)
+                                ToolTip.visible: hovered
+                                ToolTip.delay: 500
+                                ToolTip.text: "Remove bookmark"
                             }
                         }