diff --git a/src/main/java/org/betterx/bclib/client/gui/modmenu/TestScreen.java b/src/main/java/org/betterx/bclib/client/gui/modmenu/TestScreen.java
index 569be560..1b165e40 100644
--- a/src/main/java/org/betterx/bclib/client/gui/modmenu/TestScreen.java
+++ b/src/main/java/org/betterx/bclib/client/gui/modmenu/TestScreen.java
@@ -10,6 +10,10 @@ import com.mojang.blaze3d.vertex.PoseStack;
 import net.minecraft.client.gui.screens.Screen;
 import net.minecraft.network.chat.Component;
 
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+
+@Environment(EnvType.CLIENT)
 public class TestScreen extends Screen {
     public TestScreen(Component component) {
         super(component);
@@ -50,7 +54,7 @@ public class TestScreen extends Screen {
         rows.addFiller();
         main.setChild(HorizontalStack.centered(rows));
         main.calculateLayout();
-        
+
         addRenderableWidget(main);
     }
 
diff --git a/src/main/java/org/betterx/ui/layout/components/Button.java b/src/main/java/org/betterx/ui/layout/components/Button.java
index 620cb3ca..0cf99049 100644
--- a/src/main/java/org/betterx/ui/layout/components/Button.java
+++ b/src/main/java/org/betterx/ui/layout/components/Button.java
@@ -1,6 +1,5 @@
 package org.betterx.ui.layout.components;
 
-import org.betterx.ui.layout.components.input.MouseEvent;
 import org.betterx.ui.layout.components.render.ComponentRenderer;
 import org.betterx.ui.layout.values.DynamicSize;
 import org.betterx.ui.layout.values.Rectangle;
@@ -9,6 +8,10 @@ import com.mojang.blaze3d.vertex.PoseStack;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.Font;
 
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+
+@Environment(EnvType.CLIENT)
 class ButtonRenderer implements ComponentRenderer {
     Button linkedButton;
 
@@ -35,6 +38,7 @@ class ButtonRenderer implements ComponentRenderer {
     }
 }
 
+@Environment(EnvType.CLIENT)
 public class Button extends Component<ButtonRenderer> {
     int mouseX, mouseY;
     final net.minecraft.network.chat.Component component;
@@ -57,18 +61,6 @@ public class Button extends Component<ButtonRenderer> {
         this.onTooltip = onTooltip;
     }
 
-    @Override
-    public boolean onMouseEvent(MouseEvent event, int x, int y) {
-        mouseX = x;
-        mouseY = y;
-        if (vanillaButton != null && relativeBounds.contains(x, y)) {
-            if (event == MouseEvent.DOWN) return vanillaButton.mouseClicked(x, y, 0);
-
-            return true;
-        }
-        return super.onMouseEvent(event, x, y);
-    }
-
     @Override
     protected void onBoundsChanged() {
         vanillaButton = new net.minecraft.client.gui.components.Button(
diff --git a/src/main/java/org/betterx/ui/layout/components/Component.java b/src/main/java/org/betterx/ui/layout/components/Component.java
index c1938ce6..b6080415 100644
--- a/src/main/java/org/betterx/ui/layout/components/Component.java
+++ b/src/main/java/org/betterx/ui/layout/components/Component.java
@@ -1,6 +1,5 @@
 package org.betterx.ui.layout.components;
 
-import org.betterx.ui.layout.components.input.MouseEvent;
 import org.betterx.ui.layout.components.render.ComponentRenderer;
 import org.betterx.ui.layout.values.Alignment;
 import org.betterx.ui.layout.values.DynamicSize;
@@ -9,6 +8,10 @@ import org.betterx.ui.layout.values.Rectangle;
 import com.mojang.blaze3d.vertex.PoseStack;
 import net.minecraft.client.gui.components.events.GuiEventListener;
 
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+
+@Environment(EnvType.CLIENT)
 public abstract class Component<R extends ComponentRenderer> implements ComponentWithBounds, GuiEventListener {
     protected final R renderer;
     protected final DynamicSize width;
@@ -86,14 +89,6 @@ public abstract class Component<R extends ComponentRenderer> implements Componen
         }
     }
 
-    boolean mouseEvent(MouseEvent event, int x, int y) {
-        return onMouseEvent(event, x, y);
-    }
-
-    public boolean onMouseEvent(MouseEvent event, int x, int y) {
-        return false;
-    }
-
     @Override
     public String toString() {
         return super.toString() + "(" + relativeBounds + ", " + width.calculatedSize() + "x" + height.calculatedSize() + ")";
diff --git a/src/main/java/org/betterx/ui/layout/components/ComponentWithBounds.java b/src/main/java/org/betterx/ui/layout/components/ComponentWithBounds.java
index cae405f9..af9ed645 100644
--- a/src/main/java/org/betterx/ui/layout/components/ComponentWithBounds.java
+++ b/src/main/java/org/betterx/ui/layout/components/ComponentWithBounds.java
@@ -2,6 +2,10 @@ package org.betterx.ui.layout.components;
 
 import org.betterx.ui.layout.values.Rectangle;
 
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+
+@Environment(EnvType.CLIENT)
 public interface ComponentWithBounds {
     Rectangle getRelativeBounds();
 }
diff --git a/src/main/java/org/betterx/ui/layout/components/Empty.java b/src/main/java/org/betterx/ui/layout/components/Empty.java
index 6264f3b9..7c74ae3a 100644
--- a/src/main/java/org/betterx/ui/layout/components/Empty.java
+++ b/src/main/java/org/betterx/ui/layout/components/Empty.java
@@ -2,6 +2,10 @@ package org.betterx.ui.layout.components;
 
 import org.betterx.ui.layout.values.DynamicSize;
 
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+
+@Environment(EnvType.CLIENT)
 public class Empty extends Component {
     public Empty(
             DynamicSize width,
diff --git a/src/main/java/org/betterx/ui/layout/components/HorizontalStack.java b/src/main/java/org/betterx/ui/layout/components/HorizontalStack.java
index 6f538f31..a7057f3b 100644
--- a/src/main/java/org/betterx/ui/layout/components/HorizontalStack.java
+++ b/src/main/java/org/betterx/ui/layout/components/HorizontalStack.java
@@ -1,6 +1,5 @@
 package org.betterx.ui.layout.components;
 
-import org.betterx.ui.layout.components.input.MouseEvent;
 import org.betterx.ui.layout.components.input.RelativeContainerEventHandler;
 import org.betterx.ui.layout.components.render.ComponentRenderer;
 import org.betterx.ui.layout.values.Alignment;
@@ -10,10 +9,14 @@ import org.betterx.ui.layout.values.Rectangle;
 import com.mojang.blaze3d.vertex.PoseStack;
 import net.minecraft.client.gui.components.events.GuiEventListener;
 
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+
 import java.util.LinkedList;
 import java.util.List;
 import org.jetbrains.annotations.Nullable;
 
+@Environment(EnvType.CLIENT)
 public class HorizontalStack<R extends ComponentRenderer> extends Component<R> implements RelativeContainerEventHandler {
     protected final List<Component<?>> components = new LinkedList<>();
 
@@ -114,17 +117,6 @@ public class HorizontalStack<R extends ComponentRenderer> extends Component<R> i
         }
     }
 
-    @Override
-    boolean mouseEvent(MouseEvent event, int x, int y) {
-        if (!onMouseEvent(event, x, y)) {
-            for (Component<?> c : components) {
-                if (c.mouseEvent(event, x - relativeBounds.left, y - relativeBounds.top))
-                    return true;
-            }
-        }
-        return false;
-    }
-
     public static HorizontalStack<?> centered(Component<?> c) {
         return new HorizontalStack<>(DynamicSize.relative(1), DynamicSize.relative(1)).addFiller().add(c).addFiller();
     }
diff --git a/src/main/java/org/betterx/ui/layout/components/Panel.java b/src/main/java/org/betterx/ui/layout/components/Panel.java
index 296fa207..f63a7051 100644
--- a/src/main/java/org/betterx/ui/layout/components/Panel.java
+++ b/src/main/java/org/betterx/ui/layout/components/Panel.java
@@ -1,7 +1,6 @@
 package org.betterx.ui.layout.components;
 
 
-import org.betterx.ui.layout.components.input.MouseEvent;
 import org.betterx.ui.layout.components.input.RelativeContainerEventHandler;
 import org.betterx.ui.layout.values.Rectangle;
 
@@ -11,9 +10,13 @@ import net.minecraft.client.gui.components.events.GuiEventListener;
 import net.minecraft.client.gui.narration.NarratableEntry;
 import net.minecraft.client.gui.narration.NarrationElementOutput;
 
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+
 import java.util.List;
 import org.jetbrains.annotations.Nullable;
 
+@Environment(EnvType.CLIENT)
 public class Panel implements ComponentWithBounds, RelativeContainerEventHandler, NarratableEntry, Widget {
     protected Component<?> child;
     List<? extends GuiEventListener> listeners = List.of();
@@ -28,13 +31,6 @@ public class Panel implements ComponentWithBounds, RelativeContainerEventHandler
         listeners = List.of(c);
     }
 
-    public boolean mouseEvent(MouseEvent event, int x, int y) {
-        if (child != null) {
-            return child.mouseEvent(event, x - bounds.left, y - bounds.top);
-        }
-        return false;
-    }
-
     public void calculateLayout() {
         if (child != null) {
             child.updateContainerWidth(bounds.width);
diff --git a/src/main/java/org/betterx/ui/layout/components/VerticalScroll.java b/src/main/java/org/betterx/ui/layout/components/VerticalScroll.java
index c6ecd423..9a844c81 100644
--- a/src/main/java/org/betterx/ui/layout/components/VerticalScroll.java
+++ b/src/main/java/org/betterx/ui/layout/components/VerticalScroll.java
@@ -1,6 +1,5 @@
 package org.betterx.ui.layout.components;
 
-import org.betterx.ui.layout.components.input.MouseEvent;
 import org.betterx.ui.layout.components.render.ComponentRenderer;
 import org.betterx.ui.layout.components.render.ScrollerRenderer;
 import org.betterx.ui.layout.values.DynamicSize;
@@ -8,6 +7,10 @@ import org.betterx.ui.layout.values.Rectangle;
 
 import com.mojang.blaze3d.vertex.PoseStack;
 
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+
+@Environment(EnvType.CLIENT)
 public class VerticalScroll<R extends ComponentRenderer, RS extends ScrollerRenderer> extends Component<R> {
     protected Component<?> child;
     protected final RS scrollerRenderer;
@@ -71,17 +74,6 @@ public class VerticalScroll<R extends ComponentRenderer, RS extends ScrollerRend
         updateScrollViewMetrics();
     }
 
-    @Override
-    boolean mouseEvent(MouseEvent event, int x, int y) {
-        if (!onMouseEvent(event, x, y)) {
-            if (child != null) {
-                if (child.mouseEvent(event, x - relativeBounds.left, y - relativeBounds.top - scrollerOffset()))
-                    return true;
-            }
-        }
-        return false;
-    }
-
     @Override
     protected void renderInBounds(
             PoseStack poseStack,
@@ -113,27 +105,6 @@ public class VerticalScroll<R extends ComponentRenderer, RS extends ScrollerRend
     private int mouseDownY = 0;
     private int scrollerDownY = 0;
 
-    @Override
-    public boolean onMouseEvent(MouseEvent event, int x, int y) {
-        if (event == MouseEvent.DOWN) {
-            Rectangle scroller = scrollerRenderer.getScrollerBounds(relativeBounds);
-            Rectangle picker = scrollerRenderer.getPickerBounds(scroller, saveScrollerY(), scrollerHeight);
-            if (picker.contains(x, y)) {
-                mouseDown = true;
-                mouseDownY = y;
-                scrollerDownY = saveScrollerY();
-                return true;
-            }
-        } else if (event == MouseEvent.UP) {
-            mouseDown = false;
-        } else if (event == MouseEvent.DRAG && mouseDown) {
-            int delta = y - mouseDownY;
-            scrollerY = scrollerDownY + delta;
-            return true;
-        }
-        return mouseDown;
-    }
-
     protected void updateScrollViewMetrics() {
         final int view = relativeBounds.height;
         final int content = child.relativeBounds.height;
diff --git a/src/main/java/org/betterx/ui/layout/components/VerticalStack.java b/src/main/java/org/betterx/ui/layout/components/VerticalStack.java
index 0f5ec151..463af6f1 100644
--- a/src/main/java/org/betterx/ui/layout/components/VerticalStack.java
+++ b/src/main/java/org/betterx/ui/layout/components/VerticalStack.java
@@ -1,7 +1,6 @@
 package org.betterx.ui.layout.components;
 
 
-import org.betterx.ui.layout.components.input.MouseEvent;
 import org.betterx.ui.layout.components.input.RelativeContainerEventHandler;
 import org.betterx.ui.layout.components.render.ComponentRenderer;
 import org.betterx.ui.layout.values.Alignment;
@@ -11,10 +10,14 @@ import org.betterx.ui.layout.values.Rectangle;
 import com.mojang.blaze3d.vertex.PoseStack;
 import net.minecraft.client.gui.components.events.GuiEventListener;
 
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+
 import java.util.LinkedList;
 import java.util.List;
 import org.jetbrains.annotations.Nullable;
 
+@Environment(EnvType.CLIENT)
 public class VerticalStack<R extends ComponentRenderer> extends Component<R> implements RelativeContainerEventHandler {
     protected final List<Component<?>> components = new LinkedList<>();
 
@@ -113,17 +116,6 @@ public class VerticalStack<R extends ComponentRenderer> extends Component<R> imp
         }
     }
 
-    @Override
-    boolean mouseEvent(MouseEvent event, int x, int y) {
-        if (!onMouseEvent(event, x, y)) {
-            for (Component<?> c : components) {
-                if (c.mouseEvent(event, x - relativeBounds.left, y - relativeBounds.top))
-                    return true;
-            }
-        }
-        return false;
-    }
-
     public static VerticalStack<?> centered(Component<?> c) {
         return new VerticalStack<>(DynamicSize.relative(1), DynamicSize.relative(1)).addFiller().add(c).addFiller();
     }
diff --git a/src/main/java/org/betterx/ui/layout/components/render/ComponentRenderer.java b/src/main/java/org/betterx/ui/layout/components/render/ComponentRenderer.java
index 6c4117b8..7faa9d00 100644
--- a/src/main/java/org/betterx/ui/layout/components/render/ComponentRenderer.java
+++ b/src/main/java/org/betterx/ui/layout/components/render/ComponentRenderer.java
@@ -4,6 +4,10 @@ import org.betterx.ui.layout.values.Rectangle;
 
 import com.mojang.blaze3d.vertex.PoseStack;
 
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+
+@Environment(EnvType.CLIENT)
 public interface ComponentRenderer {
     void renderInBounds(PoseStack stack, int x, int y, float a, Rectangle bounds, Rectangle clipRect);
 }
diff --git a/src/main/java/org/betterx/ui/layout/components/render/ScrollerRenderer.java b/src/main/java/org/betterx/ui/layout/components/render/ScrollerRenderer.java
index 32776a79..8ba5f1a9 100644
--- a/src/main/java/org/betterx/ui/layout/components/render/ScrollerRenderer.java
+++ b/src/main/java/org/betterx/ui/layout/components/render/ScrollerRenderer.java
@@ -3,6 +3,10 @@ package org.betterx.ui.layout.components.render;
 
 import org.betterx.ui.layout.values.Rectangle;
 
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+
+@Environment(EnvType.CLIENT)
 public interface ScrollerRenderer {
     default int scrollerHeight() {
         return 16;
diff --git a/src/main/java/org/betterx/ui/layout/values/Alignment.java b/src/main/java/org/betterx/ui/layout/values/Alignment.java
index 580389f2..f0906717 100644
--- a/src/main/java/org/betterx/ui/layout/values/Alignment.java
+++ b/src/main/java/org/betterx/ui/layout/values/Alignment.java
@@ -1,5 +1,9 @@
 package org.betterx.ui.layout.values;
 
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+
+@Environment(EnvType.CLIENT)
 public enum Alignment {
     MIN, MAX, CENTER
 }
diff --git a/src/main/java/org/betterx/ui/layout/values/DynamicSize.java b/src/main/java/org/betterx/ui/layout/values/DynamicSize.java
index 3d8d9636..dbb3cc33 100644
--- a/src/main/java/org/betterx/ui/layout/values/DynamicSize.java
+++ b/src/main/java/org/betterx/ui/layout/values/DynamicSize.java
@@ -1,5 +1,9 @@
 package org.betterx.ui.layout.values;
 
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+
+@Environment(EnvType.CLIENT)
 public class DynamicSize {
     private SizeType sizeType;
     private int calculatedSize;
diff --git a/src/main/java/org/betterx/ui/layout/values/Rectangle.java b/src/main/java/org/betterx/ui/layout/values/Rectangle.java
index ea301626..938d2e08 100644
--- a/src/main/java/org/betterx/ui/layout/values/Rectangle.java
+++ b/src/main/java/org/betterx/ui/layout/values/Rectangle.java
@@ -1,5 +1,9 @@
 package org.betterx.ui.layout.values;
 
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+
+@Environment(EnvType.CLIENT)
 public class Rectangle {
     public static final Rectangle ZERO = new Rectangle(0, 0, 0, 0);
     public final int left;
diff --git a/src/main/java/org/betterx/ui/layout/values/SizeType.java b/src/main/java/org/betterx/ui/layout/values/SizeType.java
index b594418c..2f65c59f 100644
--- a/src/main/java/org/betterx/ui/layout/values/SizeType.java
+++ b/src/main/java/org/betterx/ui/layout/values/SizeType.java
@@ -1,5 +1,9 @@
 package org.betterx.ui.layout.values;
 
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+
+@Environment(EnvType.CLIENT)
 public interface SizeType {
     FitContent FIT_CONTENT = new FitContent();
     FitContentOrFill FIT_CONTENT_OR_FILL = new FitContentOrFill();