diff --git a/frontend/src/components/ProgressBar.tsx b/frontend/src/components/ProgressBar.tsx
index 6df47f0..656b27e 100644
--- a/frontend/src/components/ProgressBar.tsx
+++ b/frontend/src/components/ProgressBar.tsx
@@ -1,38 +1,35 @@
+import { Progress } from "@/components/ui/progress";
+
 interface ProgressBarProps {
   currentStep: number;
   totalSteps?: number;
   labels?: string[];
 }
 
-export default function ProgressBar({ currentStep, totalSteps = 4, labels = ['Connect', 'Graph', 'Configure', 'Launch'] }: ProgressBarProps) {
+export default function ProgressBar({
+  currentStep,
+  totalSteps = 4,
+  labels = ["Connect", "Graph", "Configure", "Launch"],
+}: ProgressBarProps) {
+  const progressValue =
+    totalSteps > 1 ? ((currentStep - 1) / (totalSteps - 1)) * 100 : currentStep === 1 ? 0 : 100;
+
   return (
     <div className="w-full bg-muted border-b border-border px-4 py-3">
-      <div className="max-w-2xl mx-auto flex items-center justify-between">
-        {Array.from({ length: totalSteps }).map((_, i) => (
-          <div key={i} className="flex items-center">
-            <div className="flex flex-col items-center">
-              <div
-                className={`w-3 h-3 rounded-full transition-colors ${
-                  i + 1 < currentStep
-                    ? 'bg-primary'
-                    : i + 1 === currentStep
-                    ? 'bg-primary glow-teal-sm'
-                    : 'bg-accent'
-                }`}
-              />
-              <span className={`text-[10px] font-mono mt-1 hidden sm:block ${
-                i + 1 <= currentStep ? 'text-primary' : 'text-muted-foreground'
-              }`}>
-                {labels[i]}
-              </span>
-            </div>
-            {i < totalSteps - 1 && (
-              <div className={`w-12 sm:w-20 h-px mx-2 ${
-                i + 1 < currentStep ? 'bg-primary' : 'bg-accent'
-              }`} />
-            )}
-          </div>
-        ))}
+      <div className="max-w-2xl mx-auto space-y-3">
+        <Progress value={progressValue} max={100} type="default" />
+        <div className="flex items-center justify-between">
+          {labels.map((label, i) => (
+            <span
+              key={i}
+              className={`text-[10px] font-mono hidden sm:block transition-colors duration-300 ${
+                i + 1 <= currentStep ? "text-primary" : "text-muted-foreground"
+              }`}
+            >
+              {label}
+            </span>
+          ))}
+        </div>
       </div>
     </div>
   );
diff --git a/frontend/src/components/ui/progress.tsx b/frontend/src/components/ui/progress.tsx
index f9f131e..1cab16a 100644
--- a/frontend/src/components/ui/progress.tsx
+++ b/frontend/src/components/ui/progress.tsx
@@ -1,23 +1,61 @@
-import * as React from "react";
-import * as ProgressPrimitive from "@radix-ui/react-progress";
-
+import React from "react";
 import { cn } from "@/lib/utils";
 
-const Progress = React.forwardRef<
-  React.ElementRef<typeof ProgressPrimitive.Root>,
-  React.ComponentPropsWithoutRef<typeof ProgressPrimitive.Root>
->(({ className, value, ...props }, ref) => (
-  <ProgressPrimitive.Root
-    ref={ref}
-    className={cn("relative h-4 w-full overflow-hidden rounded-full bg-secondary", className)}
-    {...props}
-  >
-    <ProgressPrimitive.Indicator
-      className="h-full w-full flex-1 bg-primary transition-all"
-      style={{ transform: `translateX(-${100 - (value || 0)}%)` }}
-    />
-  </ProgressPrimitive.Root>
-));
-Progress.displayName = ProgressPrimitive.Root.displayName;
+type TProgressType = "default" | "success" | "warning" | "error" | "secondary";
+
+interface ProgressProps extends React.HTMLAttributes<HTMLProgressElement> {
+  value: number;
+  max?: number;
+  colors?: { [key: string]: string };
+  type?: TProgressType;
+}
 
-export { Progress };
+const getColor = (value: number, type: TProgressType, colors?: Record<string, string>) => {
+  if (colors) {
+    const keys = Object.keys(colors).sort((a, b) => parseInt(a) - parseInt(b));
+    for (let i = keys.length - 1; i >= 0; i--) {
+      if (value >= parseInt(keys[i])) {
+        return colors[keys[i]];
+      }
+    }
+  }
+  switch (type) {
+    case "success":
+      return "hsl(var(--primary))";
+    case "error":
+      return "hsl(var(--destructive))";
+    case "warning":
+      return "hsl(var(--warning))";
+    case "secondary":
+      return "hsl(var(--muted-foreground))";
+    default:
+      return "hsl(var(--primary))";
+  }
+};
+
+export const Progress = ({
+  value,
+  max = 100,
+  colors,
+  type = "default",
+  className,
+  ...props
+}: ProgressProps) => {
+  const fillColor = getColor(value, type, colors);
+
+  return (
+    <progress
+      value={value}
+      max={max}
+      className={cn(
+        "progress-step h-2.5 w-full appearance-none border-none",
+        "[&::-webkit-progress-bar]:rounded-[5px] [&::-webkit-progress-bar]:bg-muted",
+        "[&::-webkit-progress-value]:rounded-[5px] [&::-webkit-progress-value]:transition-all [&::-webkit-progress-value]:duration-300 [&::-webkit-progress-value]:ease-out",
+        "[&::-moz-progress-bar]:rounded-[5px] [&::-moz-progress-bar]:transition-all [&::-moz-progress-bar]:duration-300 [&::-moz-progress-bar]:ease-out",
+        className
+      )}
+      style={{ ["--progress-fill" as string]: fillColor } as React.CSSProperties}
+      {...props}
+    />
+  );
+};
diff --git a/frontend/src/index.css b/frontend/src/index.css
index f26adb7..016cfef 100644
--- a/frontend/src/index.css
+++ b/frontend/src/index.css
@@ -118,3 +118,11 @@
 .tabular-nums {
   font-variant-numeric: tabular-nums;
 }
+
+/* Smooth progress bar - uses --progress-fill from inline style */
+.progress-step::-webkit-progress-value {
+  background: var(--progress-fill, hsl(var(--primary)));
+}
+.progress-step::-moz-progress-bar {
+  background: var(--progress-fill, hsl(var(--primary)));
+}
diff --git a/frontend/src/pages/Graph.tsx b/frontend/src/pages/Graph.tsx
index eb0a6cc..ae34759 100644
--- a/frontend/src/pages/Graph.tsx
+++ b/frontend/src/pages/Graph.tsx
@@ -4,6 +4,7 @@ import Navbar from '../components/Navbar';
 import ProgressBar from '../components/ProgressBar';
 import StepNav from '../components/StepNav';
 import ForceGraph, { DEFAULT_NODES, DEFAULT_EDGES } from '../components/ForceGraph';
+import { ResizablePanelGroup, ResizablePanel, ResizableHandle } from '../components/ui/resizable';
 
 interface ChatMessage {
   role: 'ai' | 'user';
@@ -31,6 +32,7 @@ export default function Graph() {
   const [typing, setTyping] = useState(false);
   const chatEndRef = useRef<HTMLDivElement>(null);
   const [graphKey, setGraphKey] = useState(0);
+  const hasUserSentMessage = messages.some(m => m.role === 'user');
 
   useEffect(() => {
     chatEndRef.current?.scrollIntoView({ behavior: 'smooth' });
@@ -51,9 +53,9 @@ export default function Graph() {
   };
 
   return (
-    <div className="min-h-screen bg-background flex flex-col">
+    <div className="h-screen bg-background flex flex-col overflow-hidden">
       <Navbar />
-      <div className="pt-14">
+      <div className="pt-14 shrink-0">
         <ProgressBar currentStep={2} />
       </div>
 
@@ -61,14 +63,13 @@ export default function Graph() {
         initial={{ opacity: 0 }}
         animate={{ opacity: 1 }}
         transition={{ duration: 0.2 }}
-        className="flex-1 flex flex-col md:flex-row overflow-hidden"
+        className="flex-1 min-h-0 flex overflow-hidden"
       >
-        {/* Left Panel — Chat */}
-        <div className="w-full md:w-[40%] flex flex-col bg-muted border-r border-border" style={{ height: 'calc(100vh - 56px - 41px - 53px)' }}>
-          {/* Chat Header */}
-          <div className="flex items-center justify-between px-4 py-3 border-b border-border">
+        <ResizablePanelGroup direction="horizontal" className="h-full">
+          <ResizablePanel defaultSize={40} minSize={25} maxSize={70} className="flex flex-col min-w-0 bg-muted">
+            {/* Chat Header */}
+            <div className="flex shrink-0 items-center justify-between px-4 py-3 border-b border-border">
             <div className="flex items-center gap-2">
-              <span className="text-sm">🧠</span>
               <span className="text-sm font-semibold text-foreground">ArbOS Brain</span>
             </div>
             <span className="font-mono text-[10px] px-2 py-0.5 rounded bg-secondary/20 text-secondary border border-secondary/30">
@@ -77,7 +78,7 @@ export default function Graph() {
           </div>
 
           {/* Messages */}
-          <div className="flex-1 overflow-y-auto p-4 space-y-3">
+          <div className="flex-1 min-h-0 overflow-y-auto p-4 space-y-3">
             {messages.map((msg, i) => (
               <div key={i} className={`flex ${msg.role === 'user' ? 'justify-end' : 'justify-start'}`}>
                 <div
@@ -104,7 +105,7 @@ export default function Graph() {
           </div>
 
           {/* Stats */}
-          <div className="px-4 py-2 border-t border-border">
+          <div className="shrink-0 px-4 py-2 border-t border-border">
             <div className="font-mono text-[10px] text-muted-foreground flex gap-4">
               <span>Nodes: <span className="text-primary">14</span></span>
               <span>Edges: <span className="text-primary">23</span></span>
@@ -113,7 +114,7 @@ export default function Graph() {
           </div>
 
           {/* Input */}
-          <div className="p-3 border-t border-border">
+          <div className="shrink-0 p-3 border-t border-border">
             <div className="flex gap-2">
               <input
                 value={input}
@@ -134,31 +135,45 @@ export default function Graph() {
               Try: /add crypto · /remove · /scan · /suggest
             </p>
           </div>
-        </div>
-
-        {/* Right Panel — Graph */}
-        <div className="w-full md:w-[60%] bg-background relative" style={{ height: 'calc(100vh - 56px - 41px - 53px)', minHeight: '400px' }}>
-          <ForceGraph
-            key={graphKey}
-            nodes={DEFAULT_NODES}
-            edges={DEFAULT_EDGES}
-            width={700}
-            height={500}
-            animated
-          />
-          {/* Legend */}
-          <div className="absolute bottom-4 left-4 bg-card/80 backdrop-blur border border-border rounded-md px-3 py-2 text-[10px] font-mono text-muted-foreground space-y-1">
-            <div>── IMPLIES &nbsp; -- EXCLUSIVE &nbsp; ·· PARTITION</div>
-            <div>
-              <span className="text-primary">●</span> Active Arb &nbsp;
-              <span className="text-muted-foreground">●</span> Monitored &nbsp;
-              <span className="text-destructive">●</span> Low Liquidity
+          </ResizablePanel>
+
+          <ResizableHandle withHandle className="bg-border hover:bg-primary/20 transition-colors" />
+
+          {/* Right Panel — Graph */}
+          <ResizablePanel defaultSize={60} minSize={30} maxSize={75} className="min-w-0 bg-background">
+            <div className="w-full h-full bg-background relative flex items-center justify-center" style={{ minHeight: '400px' }}>
+              {hasUserSentMessage ? (
+                <>
+                  <ForceGraph
+                    key={graphKey}
+                    nodes={DEFAULT_NODES}
+                    edges={DEFAULT_EDGES}
+                    width={700}
+                    height={500}
+                    animated
+                  />
+                  {/* Legend */}
+                  <div className="absolute bottom-4 left-4 bg-card/80 backdrop-blur border border-border rounded-md px-3 py-2 text-[10px] font-mono text-muted-foreground space-y-1">
+                    <div>── IMPLIES &nbsp; -- EXCLUSIVE &nbsp; ·· PARTITION</div>
+                    <div>
+                      <span className="text-primary">●</span> Active Arb &nbsp;
+                      <span className="text-muted-foreground">●</span> Monitored &nbsp;
+                      <span className="text-destructive">●</span> Low Liquidity
+                    </div>
+                  </div>
+                </>
+              ) : (
+                <p className="text-sm text-muted-foreground font-mono">
+                  Type something in the chat to build your graph
+                </p>
+              )}
             </div>
-          </div>
-        </div>
+          </ResizablePanel>
+        </ResizablePanelGroup>
       </motion.div>
 
-      <StepNav
+      <div className="shrink-0">
+        <StepNav
         backTo="/connect"
         backLabel="← Back"
         nextTo="/configure"
@@ -169,6 +184,7 @@ export default function Graph() {
           </span>
         }
       />
+      </div>
     </div>
   );
 }