diff --git a/packages/plugin-r3f/src/store.ts b/packages/plugin-r3f/src/store.ts
index c4d8682..5f8c923 100644
--- a/packages/plugin-r3f/src/store.ts
+++ b/packages/plugin-r3f/src/store.ts
@@ -295,7 +295,10 @@ const editorSheetObjectConfig = types.compound({
       showAxes: types.boolean(true, {label: 'Axes'}),
       showGrid: types.boolean(true, {label: 'Grid'}),
       showOverlayIcons: types.boolean(false, {label: 'Overlay Icons'}),
-      resolution: types.number(1440, {label: 'Resolution'}),
+      resolution: types.number(1440, {
+        label: 'Resolution',
+        range: [0, 1000],
+      }),
       shading: types.stringLiteral(
         'rendered',
         {
diff --git a/theatre/core/src/propTypes/index.ts b/theatre/core/src/propTypes/index.ts
index 941da8d..67032dd 100644
--- a/theatre/core/src/propTypes/index.ts
+++ b/theatre/core/src/propTypes/index.ts
@@ -12,15 +12,12 @@ interface IBasePropType<ValueType> {
 export interface PropTypeConfig_Number extends IBasePropType<number> {
   type: 'number'
   default: number
-  min?: number
-  max?: number
-  step?: number
+  range?: [min: number, max: number]
 }
 
 export const number = (
   defaultValue: number,
-  opts?: Pick<PropTypeConfig_Number, 'min' | 'max' | 'step'> &
-    PropTypeConfigExtras,
+  opts?: Pick<PropTypeConfig_Number, 'range'> & PropTypeConfigExtras,
 ): PropTypeConfig_Number => {
   return {
     type: 'number',
diff --git a/theatre/studio/src/panels/ObjectEditorPanel/propEditors/NumberPropEditor.tsx b/theatre/studio/src/panels/ObjectEditorPanel/propEditors/NumberPropEditor.tsx
index 8e08252..2a013f0 100644
--- a/theatre/studio/src/panels/ObjectEditorPanel/propEditors/NumberPropEditor.tsx
+++ b/theatre/studio/src/panels/ObjectEditorPanel/propEditors/NumberPropEditor.tsx
@@ -19,6 +19,7 @@ const NumberPropEditor: React.FC<{
         temporarilySetValue={stuff.temporarilySetValue}
         discardTemporaryValue={stuff.discardTemporaryValue}
         permenantlySetValue={stuff.permenantlySetValue}
+        range={propConfig.range}
       />
     </SingleRowPropEditor>
   )
diff --git a/theatre/studio/src/uiComponents/form/BasicNumberInput.tsx b/theatre/studio/src/uiComponents/form/BasicNumberInput.tsx
index a20dba6..01417e0 100644
--- a/theatre/studio/src/uiComponents/form/BasicNumberInput.tsx
+++ b/theatre/studio/src/uiComponents/form/BasicNumberInput.tsx
@@ -1,5 +1,5 @@
 import {theme} from '@theatre/studio/css'
-import {isInteger, round} from 'lodash-es'
+import {clamp, isInteger, round} from 'lodash-es'
 import {darken, lighten} from 'polished'
 import React, {useMemo, useRef, useState} from 'react'
 import styled from 'styled-components'
@@ -10,6 +10,31 @@ type IMode = IState['mode']
 const Container = styled.div`
   height: 100%;
   width: 100%;
+  position: relative;
+  z-index: 0;
+  box-sizing: border-box;
+
+  &:after {
+    position: absolute;
+    inset: 1px 0 2px;
+    display: block;
+    content: ' ';
+    background-color: #2525252b;
+    border: 1px solid #1c2123;
+    z-index: -2;
+    box-sizing: border-box;
+    border-radius: 1px;
+  }
+
+  &:hover,
+  &.dragging,
+  &.editingViaKeyboard {
+    &:after {
+      background-color: #10101042;
+      /* background-color: ${darken(0.2, theme.panel.bg)}; */
+      border-color: #00000059;
+    }
+  }
 `
 
 const Input = styled.input`
@@ -25,18 +50,32 @@ const Input = styled.input`
   height: calc(100% - 4px);
   border-radius: 2px;
 
-  &:hover,
+  /* &:hover,
   &:focus,
   ${Container}.dragging > & {
     background: ${darken(0.9, theme.panel.bg)};
     border: 1px solid ${lighten(0.1, theme.panel.bg)};
-  }
+  } */
 
   &:focus {
     cursor: text;
   }
 `
 
+const FillIndicator = styled.div`
+  position: absolute;
+  inset: 3px 2px 4px;
+  transform: scale(var(--percentage), 1);
+  transform-origin: top left;
+  background-color: #2d5561;
+  z-index: -1;
+  border-radius: 2px;
+
+  ${Container}.dragging &, ${Container}.noFocus:hover & {
+    background-color: #338198;
+  }
+`
+
 function isValueAcceptable(s: string) {
   const v = parseFloat(s)
   return !isNaN(v)
@@ -66,6 +105,7 @@ const BasicNumberInput: React.FC<{
   discardTemporaryValue: () => void
   permenantlySetValue: (v: number) => void
   className?: string
+  range?: [min: number, max: number]
 }> = (propsA) => {
   const [stateA, setState] = useState<IState>({mode: 'noFocus'})
 
@@ -238,6 +278,18 @@ const BasicNumberInput: React.FC<{
     />
   )
 
+  const {range} = propsA
+  const num = parseFloat(value)
+
+  const fillIndicator = range ? (
+    <FillIndicator
+      style={{
+        // @ts-ignore
+        '--percentage': clamp((num - range[0]) / (range[1] - range[0]), 0, 1),
+      }}
+    />
+  ) : null
+
   return (
     <Container className={propsA.className + ' ' + refs.current.state.mode}>
       <DraggableArea
@@ -250,6 +302,7 @@ const BasicNumberInput: React.FC<{
       >
         {theInput}
       </DraggableArea>
+      {fillIndicator}
     </Container>
   )
 }