diff --git a/app/components/ContentViewer/ContentViewer.module.css b/app/components/ContentViewer/ContentViewer.module.css
index 8e98663..95b8bad 100644
--- a/app/components/ContentViewer/ContentViewer.module.css
+++ b/app/components/ContentViewer/ContentViewer.module.css
@@ -1,20 +1,18 @@
 .content {
   display: flex;
   flex-direction: column;
-
   overflow-y: auto;
   flex: 1;
-  padding-right: 14px;
-  padding-bottom: 12px;
-  padding-left: 14px;
+  padding: 14px;
+  height: 100%;
+  width: 100%;
 }
+
 .contentWrapper {
   border-right: 1px solid hsl(var(--border-color));
-
   display: flex;
   flex-direction: column;
-
-  height: 100%;
-  flex: 1;
   height: 100%;
+  width: 100%;
+  overflow: hidden;
 }
diff --git a/app/components/EditorNOutput/EditorNOutput.module.css b/app/components/EditorNOutput/EditorNOutput.module.css
index 79a8640..c670801 100644
--- a/app/components/EditorNOutput/EditorNOutput.module.css
+++ b/app/components/EditorNOutput/EditorNOutput.module.css
@@ -3,14 +3,12 @@
   height: 100%;
   display: flex;
   flex-direction: column;
-
-  max-width: 50%;
+  width: 100%;
+  overflow: hidden;
 }
 
 .outputWrapper {
   width: 100%;
-
-  /* padding: 16px; */
   display: flex;
   flex-direction: column;
   align-items: flex-start;
@@ -19,11 +17,13 @@
   border-left: none;
   height: 100%;
 }
+
 .divider {
   width: 100%;
   height: 6px;
   background-color: hsl(var(--border-color));
   cursor: row-resize;
+  flex-shrink: 0;
 }
 
 .divider:hover,
diff --git a/app/components/ResizableContent/ResizableContent.module.css b/app/components/ResizableContent/ResizableContent.module.css
new file mode 100644
index 0000000..3a494b3
--- /dev/null
+++ b/app/components/ResizableContent/ResizableContent.module.css
@@ -0,0 +1,82 @@
+.mainArea {
+  display: flex;
+  flex-direction: row;
+  height: 100vh;
+  width: 100%;
+  overflow: hidden;
+  position: relative;
+}
+
+.leftPane {
+  height: 100%;
+  overflow: hidden;
+  min-width: 300px;
+  max-width: 70%;
+  display: flex;
+}
+
+.rightPane {
+  flex: 1;
+  height: 100%;
+  min-width: 300px;
+  overflow: hidden;
+  display: flex;
+}
+
+.divider {
+  width: 4px;
+  height: 100%;
+  background-color: hsl(var(--border-color) / 0.5);
+  cursor: col-resize;
+  transition: all 0.2s ease;
+  flex-shrink: 0;
+  user-select: none;
+  -webkit-user-select: none;
+  position: relative;
+  border-left: 1px solid hsl(var(--border-color));
+  border-right: 1px solid hsl(var(--border-color));
+}
+
+.divider::after {
+  content: '';
+  position: absolute;
+  top: 0;
+  left: 50%;
+  transform: translateX(-50%);
+  width: 2px;
+  height: 100%;
+  background-color: hsl(var(--primary) / 0.3);
+  opacity: 0;
+  transition: opacity 0.2s ease;
+}
+
+.divider:hover::after,
+.divider:active::after {
+  opacity: 1;
+  background-color: hsl(var(--primary) / 0.5);
+}
+
+.divider:hover,
+.divider:active {
+  background-color: hsl(var(--primary) / 0.2);
+  border-left: 1px solid hsl(var(--primary) / 0.4);
+  border-right: 1px solid hsl(var(--primary) / 0.4);
+}
+
+.mainArea ::-webkit-scrollbar {
+  width: 8px;
+  height: 8px;
+}
+
+.mainArea ::-webkit-scrollbar-track {
+  background: hsl(var(--background));
+}
+
+.mainArea ::-webkit-scrollbar-thumb {
+  background: hsl(var(--border-color));
+  border-radius: 4px;
+}
+
+.mainArea ::-webkit-scrollbar-thumb:hover {
+  background: hsl(var(--primary) / 0.5);
+}
diff --git a/app/components/ResizableContent/ResizableContent.tsx b/app/components/ResizableContent/ResizableContent.tsx
new file mode 100644
index 0000000..c9f9829
--- /dev/null
+++ b/app/components/ResizableContent/ResizableContent.tsx
@@ -0,0 +1,88 @@
+"use client";
+
+import React, { useState, useRef, useEffect } from "react";
+import styles from "./ResizableContent.module.css";
+import ContentViewer from "../ContentViewer";
+import EditorNOutput from "../EditorNOutput";
+import { CodeFile } from "@/lib/types";
+
+interface ResizableContentProps {
+  content: React.ReactNode;
+  codeFile: CodeFile;
+  nextStepPath: string | undefined;
+  stepIndex: number;
+  chapterIndex: number;
+}
+
+export default function ResizableContent({
+  content,
+  codeFile,
+  nextStepPath,
+  stepIndex,
+  chapterIndex,
+}: ResizableContentProps) {
+  const [leftWidth, setLeftWidth] = useState(600);
+  const containerRef = useRef<HTMLDivElement>(null);
+  const isDraggingRef = useRef<boolean>(false);
+
+  const handleMouseDown = () => {
+    isDraggingRef.current = true;
+  };
+
+  const handleMouseUp = () => {
+    isDraggingRef.current = false;
+  };
+
+  const handleMouseMove = (
+    e: React.MouseEvent<HTMLDivElement, MouseEvent> | MouseEvent,
+  ) => {
+    if (!isDraggingRef.current) return;
+
+    const containerRect = containerRef.current!.getBoundingClientRect();
+    const newLeftWidth = e.clientX - containerRect.left;
+
+    const minWidth = 300;
+    const maxWidth = containerRect.width * 0.7;
+
+    if (newLeftWidth >= minWidth && newLeftWidth <= maxWidth) {
+      setLeftWidth(newLeftWidth);
+      localStorage.setItem("horizontalLeftWidth", String(newLeftWidth));
+    }
+  };
+
+  useEffect(() => {
+    const savedWidth = localStorage.getItem("horizontalLeftWidth");
+    if (savedWidth) {
+      setLeftWidth(Number(savedWidth));
+    }
+  }, []);
+
+  return (
+    <div
+      className={styles.mainArea}
+      ref={containerRef}
+      onMouseMove={handleMouseMove}
+      onMouseUp={handleMouseUp}
+      onMouseLeave={handleMouseUp}
+    >
+      <div className={styles.leftPane} style={{ width: `${leftWidth}px` }}>
+        <ContentViewer>{content}</ContentViewer>
+      </div>
+      <div 
+        className={styles.divider} 
+        onMouseDown={handleMouseDown}
+        role="separator"
+        aria-orientation="vertical"
+        aria-label="Resize content"
+      />
+      <div className={styles.rightPane}>
+        <EditorNOutput
+          codeFile={codeFile}
+          nextStepPath={nextStepPath}
+          stepIndex={stepIndex}
+          chapterIndex={chapterIndex}
+        />
+      </div>
+    </div>
+  );
+}
diff --git a/app/content/[...markdownPath]/page.module.css b/app/content/[...markdownPath]/page.module.css
index 7669d38..10e3323 100644
--- a/app/content/[...markdownPath]/page.module.css
+++ b/app/content/[...markdownPath]/page.module.css
@@ -1,7 +1,41 @@
 .mainArea {
   display: flex;
   flex-direction: row;
-  flex: 12;
+  height: calc(100vh - 60px);
+  width: 100%;
+  overflow: hidden;
+  position: relative;
+}
+
+.leftPane {
   height: 100%;
-  overflow-y: auto;
+  overflow: hidden;
+  min-width: 300px;
+  max-width: 70%;
+  display: flex;
+}
+
+.rightPane {
+  flex: 1;
+  height: 100%;
+  min-width: 300px;
+  overflow: hidden;
+  display: flex;
+}
+
+.divider {
+  width: 4px;
+  height: 100%;
+  background-color: hsl(var(--border-color));
+  cursor: col-resize;
+  transition: background-color 0.2s ease;
+  flex-shrink: 0;
+}
+
+.divider:hover {
+  background-color: hsl(var(--primary) / 0.75);
+}
+
+.divider:active {
+  background-color: hsl(var(--primary) / 0.75);
 }
diff --git a/app/content/[...markdownPath]/page.tsx b/app/content/[...markdownPath]/page.tsx
index c2b94a4..21caaca 100644
--- a/app/content/[...markdownPath]/page.tsx
+++ b/app/content/[...markdownPath]/page.tsx
@@ -1,9 +1,7 @@
 import { contentManager } from "@/lib/contentManager";
-import styles from "./page.module.css";
 import React from "react";
 import { parseLessonFolder } from "@/lib/server-functions";
-import ContentViewer from "@/app/components/ContentViewer";
-import EditorNOutput from "@/app/components/EditorNOutput";
+import ResizableContent from "@/app/components/ResizableContent/ResizableContent";
 
 export function generateMetadata({
   params,
@@ -38,28 +36,28 @@ export default async function Content({
     contentManager.getPageMeta(urlPath);
   const { Page, metadata, codeFile } = parseLessonFolder(mdPath, codePath);
 
+  const pageContent = <Page />;
+
   return (
-    <div className={styles.mainArea}>
-      <ContentViewer>
-        <Page />
-      </ContentViewer>
-      <EditorNOutput
-        codeFile={codeFile}
-        nextStepPath={nextStepPath}
-        stepIndex={stepIndex}
-        chapterIndex={chapterIndex}
-      />
-    </div>
+    <ResizableContent
+      content={pageContent}
+      codeFile={codeFile}
+      nextStepPath={nextStepPath}
+      stepIndex={stepIndex}
+      chapterIndex={chapterIndex}
+    />
   );
 }
+
 export async function generateStaticParams() {
   const outline = contentManager.getOutline();
   const pathList: { markdownPath: string[] }[] = [];
 
   outline.map((item) => {
     item.steps.map((step) => {
+      const pathSegments = step.fullPath.split("/");
       pathList.push({
-        markdownPath: [item.folderName, step.fileName],
+        markdownPath: pathSegments,
       });
     });
   });