diff --git a/client/src/components/app-sidebar.tsx b/client/src/components/app-sidebar.tsx
index 771adfd..95c5b93 100644
--- a/client/src/components/app-sidebar.tsx
+++ b/client/src/components/app-sidebar.tsx
@@ -26,29 +26,29 @@ const NAV = [
 export function AppSidebar() {
   const [location] = useLocation();
   return (
-    <Sidebar data-testid="sidebar-main">
-      <SidebarHeader className="px-3 pt-4 pb-3">
+    <Sidebar data-testid="sidebar-main" className="border-r-0">
+      <SidebarHeader className="px-4 pt-5 pb-4">
         <Link
           href="/"
-          className="flex items-center gap-2 px-2"
+          className="flex items-center gap-3 px-1"
           data-testid="link-home"
         >
-          <span className="inline-flex h-8 w-8 items-center justify-center rounded-md bg-primary/15 text-primary">
-            <Logo className="h-5 w-5" />
+          <span className="inline-flex h-10 w-10 items-center justify-center rounded-xl bg-primary/10 border border-primary/20 text-primary neon-glow-sm">
+            <Logo className="h-6 w-6" />
           </span>
           <span className="flex flex-col leading-tight">
-            <span className="text-sm font-semibold tracking-tight">GammaDesk</span>
-            <span className="text-[11px] text-muted-foreground tracking-wide uppercase">
+            <span className="text-base font-bold tracking-tight text-foreground">GammaDesk</span>
+            <span className="text-[10px] text-muted-foreground tracking-[0.15em] uppercase font-medium">
               Options Analytics
             </span>
           </span>
         </Link>
       </SidebarHeader>
-      <SidebarContent>
+      <SidebarContent className="px-2">
         <SidebarGroup>
-          <SidebarGroupLabel>Workspace</SidebarGroupLabel>
+          <SidebarGroupLabel className="px-3 text-[10px] tracking-[0.15em] uppercase font-semibold text-muted-foreground">Workspace</SidebarGroupLabel>
           <SidebarGroupContent>
-            <SidebarMenu>
+            <SidebarMenu className="gap-1">
               {NAV.map((item) => {
                 const active =
                   item.url === "/"
@@ -56,10 +56,19 @@ export function AppSidebar() {
                     : location.startsWith(item.url);
                 return (
                   <SidebarMenuItem key={item.title}>
-                    <SidebarMenuButton asChild isActive={active} data-testid={item.testid}>
-                      <Link href={item.url}>
-                        <item.icon className="h-4 w-4" />
-                        <span>{item.title}</span>
+                    <SidebarMenuButton
+                      asChild
+                      isActive={active}
+                      data-testid={item.testid}
+                      className={`h-10 rounded-lg transition-all ${
+                        active
+                          ? "bg-primary/10 text-primary border-l-2 border-primary"
+                          : "text-muted-foreground hover:text-foreground hover:bg-secondary"
+                      }`}
+                    >
+                      <Link href={item.url} className="flex items-center gap-3 px-3 py-2">
+                        <item.icon className={`h-4 w-4 ${active ? "text-primary" : "text-muted-foreground"}`} />
+                        <span className={`text-sm font-medium ${active ? "font-semibold" : ""}`}>{item.title}</span>
                       </Link>
                     </SidebarMenuButton>
                   </SidebarMenuItem>
@@ -69,9 +78,9 @@ export function AppSidebar() {
           </SidebarGroupContent>
         </SidebarGroup>
       </SidebarContent>
-      <SidebarFooter className="px-3 pb-4">
+      <SidebarFooter className="px-4 pb-5 pt-3 border-t border-border/50">
         <p
-          className="text-[11px] leading-snug text-muted-foreground"
+          className="text-[10px] leading-relaxed text-muted-foreground"
           data-testid="text-sidebar-disclaimer"
         >
           Analytics &amp; education only. Not financial advice. Data is simulated
diff --git a/client/src/components/metric-card.tsx b/client/src/components/metric-card.tsx
index 0ce4c0d..c3a5d30 100644
--- a/client/src/components/metric-card.tsx
+++ b/client/src/components/metric-card.tsx
@@ -31,16 +31,16 @@ export function MetricCard({
 }: MetricCardProps) {
   return (
     <Card
-      className="flex flex-col gap-2 p-4"
+      className="flex flex-col gap-3 p-5 border-border/50 bg-card/50 backdrop-blur-sm shadow-lg"
       data-testid={testId}
     >
-      <div className="flex items-center gap-1.5 text-xs font-medium uppercase tracking-wide text-muted-foreground">
+      <div className="flex items-center gap-1.5 text-[10px] font-semibold uppercase tracking-[0.15em] text-muted-foreground">
         <span>{label}</span>
         {metric && <MetricTooltip metric={metric} />}
       </div>
       <div
         className={cn(
-          "num text-lg font-semibold leading-none sm:text-xl",
+          "num text-2xl font-bold leading-none",
           ACCENT_CLASSES[accent],
         )}
         data-testid={testId ? `${testId}-value` : undefined}
@@ -48,7 +48,7 @@ export function MetricCard({
         {value}
       </div>
       {hint && (
-        <div className="text-xs text-muted-foreground num">{hint}</div>
+        <div className="text-xs text-muted-foreground num font-medium">{hint}</div>
       )}
     </Card>
   );
diff --git a/client/src/components/top-bar.tsx b/client/src/components/top-bar.tsx
index 3e3cc52..52d93ab 100644
--- a/client/src/components/top-bar.tsx
+++ b/client/src/components/top-bar.tsx
@@ -14,11 +14,11 @@ export function TopBar({ title }: { title: string }) {
   const isAuthPage = location === "/login";
 
   return (
-    <header className="flex h-14 items-center gap-3 border-b border-border bg-background/80 px-3 backdrop-blur sm:px-5">
+    <header className="flex h-14 items-center gap-3 border-b border-border/50 bg-background/80 px-4 backdrop-blur-sm sm:px-6">
       {!isAuthPage && <SidebarTrigger data-testid="button-sidebar-toggle" />}
-      {!isAuthPage && <Separator orientation="vertical" className="h-6" />}
+      {!isAuthPage && <Separator orientation="vertical" className="h-5 border-border/50" />}
       <h1
-        className="truncate text-sm font-semibold tracking-tight sm:text-base"
+        className="truncate text-base font-bold tracking-tight text-foreground sm:text-lg"
         data-testid="text-page-title"
       >
         {title}
@@ -26,12 +26,12 @@ export function TopBar({ title }: { title: string }) {
       <div className="ml-auto flex items-center gap-2 sm:gap-3">
         {!isAuthPage && (
           <>
-            <span className="text-xs text-muted-foreground hidden sm:inline">{user?.name}</span>
+            <span className="text-xs text-muted-foreground hidden sm:inline font-medium">{user?.name}</span>
             <Button
               variant="ghost"
               size="sm"
-              className="text-xs h-8 px-2"
-              onClick={() => setLocation("/#/account")}
+              className="text-xs h-8 px-3 font-medium hover:bg-primary/10 hover:text-primary"
+              onClick={() => setLocation("/account")}
               data-testid="button-account"
             >
               Account
@@ -41,6 +41,7 @@ export function TopBar({ title }: { title: string }) {
               size="icon"
               aria-label="Sign out"
               onClick={() => logout()}
+              className="h-8 w-8 hover:bg-destructive/10 hover:text-destructive"
               data-testid="button-logout"
             >
               <LogOut className="h-4 w-4" />
@@ -53,6 +54,7 @@ export function TopBar({ title }: { title: string }) {
           size="icon"
           aria-label="Toggle theme"
           onClick={toggle}
+          className="h-8 w-8 hover:bg-primary/10 hover:text-primary"
           data-testid="button-theme-toggle"
         >
           {theme === "dark" ? (
diff --git a/client/src/index.css b/client/src/index.css
index 85b4612..090927a 100644
--- a/client/src/index.css
+++ b/client/src/index.css
@@ -2,93 +2,86 @@
 @tailwind components;
 @tailwind utilities;
 
-/* GammaDesk palette
+/* GammaDesk Theme — Nexus AI Style
    ----------------------------------------------------------
-   Finance dashboard aesthetic: cool slate surfaces, sharp
-   high-contrast text, restrained teal/blue accent. Reserved
-   semantic colors map to a trading floor mental model:
+   Dark-first finance dashboard with neon green accent.
+   Inspired by modern AI/tech branding: deep black surfaces,
+   high-contrast white text, electric green highlights.
 
-   - positive  (long gamma, call side)   -> emerald
-   - negative  (short gamma, put side)   -> rose
-   - call wall                            -> cyan
-   - put wall                             -> magenta-rose
-   - HVL / gamma flip                     -> gold
-   - spot marker                          -> primary text color
+   Semantic trading colors preserved:
+   - positive (long gamma)     -> emerald-green
+   - negative (short gamma)    -> rose-red
+   - call wall                 -> cyan
+   - put wall                  -> magenta
+   - HVL / gamma flip          -> gold/amber
+   - spot marker               -> white
 
-   Values are HSL (H S% L%) without hsl() wrapper, per the
-   shadcn/Tailwind v3 convention. */
+   Values are HSL (H S% L%) without hsl() wrapper. */
 
-/* LIGHT MODE */
+/* LIGHT MODE (fallback — app is primarily dark) */
 :root {
-  --button-outline: hsl(220 14% 90% / 0.8);
-  --badge-outline: hsl(220 14% 90% / 0.4);
+  --button-outline: hsl(130 70% 50% / 0.8);
+  --badge-outline: hsl(130 70% 50% / 0.4);
   --opaque-button-border-intensity: -8;
-  --elevate-1: hsl(220 14% 14% / 0.04);
-  --elevate-2: hsl(220 14% 14% / 0.08);
+  --elevate-1: hsl(130 70% 50% / 0.04);
+  --elevate-2: hsl(130 70% 50% / 0.08);
 
-  --background: 220 24% 98%;
-  --foreground: 222 32% 12%;
-  --border: 220 14% 90%;
+  --background: 0 0% 100%;
+  --foreground: 130 70% 12%;
+  --border: 0 0% 85%;
   --card: 0 0% 100%;
-  --card-foreground: 222 32% 12%;
-  --card-border: 220 14% 92%;
-  --sidebar: 220 22% 96%;
-  --sidebar-foreground: 222 32% 12%;
-  --sidebar-border: 220 14% 90%;
-  --sidebar-primary: 192 80% 36%;
+  --card-foreground: 130 70% 12%;
+  --card-border: 0 0% 88%;
+  --sidebar: 0 0% 97%;
+  --sidebar-foreground: 130 70% 12%;
+  --sidebar-border: 0 0% 85%;
+  --sidebar-primary: 130 70% 50%;
   --sidebar-primary-foreground: 0 0% 100%;
-  --sidebar-accent: 220 16% 92%;
-  --sidebar-accent-foreground: 222 32% 12%;
-  --sidebar-ring: 192 80% 36%;
+  --sidebar-accent: 0 0% 93%;
+  --sidebar-accent-foreground: 130 70% 12%;
+  --sidebar-ring: 130 70% 50%;
   --popover: 0 0% 100%;
-  --popover-foreground: 222 32% 12%;
-  --popover-border: 220 14% 90%;
-  --primary: 192 80% 36%;
+  --popover-foreground: 130 70% 12%;
+  --popover-border: 0 0% 85%;
+  --primary: 130 70% 50%;
   --primary-foreground: 0 0% 100%;
-  --secondary: 220 16% 92%;
-  --secondary-foreground: 222 32% 12%;
-  --muted: 220 16% 94%;
-  --muted-foreground: 220 8% 42%;
-  --accent: 220 16% 92%;
-  --accent-foreground: 222 32% 12%;
+  --secondary: 0 0% 93%;
+  --secondary-foreground: 130 70% 12%;
+  --muted: 0 0% 95%;
+  --muted-foreground: 0 0% 45%;
+  --accent: 130 70% 95%;
+  --accent-foreground: 130 70% 50%;
   --destructive: 348 75% 48%;
   --destructive-foreground: 0 0% 100%;
-  --input: 220 14% 85%;
-  --ring: 192 80% 36%;
+  --input: 0 0% 85%;
+  --ring: 130 70% 50%;
 
-  /* Chart palette tuned for gamma analytics
-     1 long-gamma / positive  (emerald)
-     2 short-gamma / negative (rose)
-     3 call wall              (cyan)
-     4 put wall               (magenta)
-     5 HVL / gamma flip       (amber)
-  */
+  /* Chart palette — trading analytics */
   --chart-1: 152 65% 38%;
   --chart-2: 348 75% 48%;
   --chart-3: 188 76% 42%;
   --chart-4: 326 70% 50%;
   --chart-5: 38 92% 50%;
 
-  /* Semantic data colors (consumed via tailwind config) */
   --pos: 152 65% 38%;
   --neg: 348 75% 48%;
   --call-wall: 188 76% 42%;
   --put-wall: 326 70% 50%;
   --hvl: 38 92% 50%;
-  --spot: 222 32% 12%;
+  --spot: 130 70% 12%;
 
-  --font-sans: 'Inter', 'Helvetica Neue', sans-serif;
+  --font-sans: 'Outfit', 'Inter', 'Helvetica Neue', sans-serif;
   --font-serif: Georgia, serif;
   --font-mono: 'JetBrains Mono', 'Menlo', monospace;
   --radius: 0.5rem;
-  --shadow-2xs: 0 1px 0 0 hsl(220 14% 14% / 0.04);
-  --shadow-xs: 0 1px 2px 0 hsl(220 14% 14% / 0.05);
-  --shadow-sm: 0 1px 2px 0 hsl(220 14% 14% / 0.06), 0 1px 1px -1px hsl(220 14% 14% / 0.04);
-  --shadow: 0 2px 4px 0 hsl(220 14% 14% / 0.06), 0 1px 2px -1px hsl(220 14% 14% / 0.04);
-  --shadow-md: 0 4px 8px 0 hsl(220 14% 14% / 0.08), 0 2px 4px -1px hsl(220 14% 14% / 0.05);
-  --shadow-lg: 0 8px 24px 0 hsl(220 14% 14% / 0.12), 0 4px 8px -2px hsl(220 14% 14% / 0.06);
-  --shadow-xl: 0 16px 40px 0 hsl(220 14% 14% / 0.16);
-  --shadow-2xl: 0 24px 64px 0 hsl(220 14% 14% / 0.24);
+  --shadow-2xs: 0 1px 0 0 hsl(0 0% 0% / 0.04);
+  --shadow-xs: 0 1px 2px 0 hsl(0 0% 0% / 0.05);
+  --shadow-sm: 0 1px 2px 0 hsl(0 0% 0% / 0.06), 0 1px 1px -1px hsl(0 0% 0% / 0.04);
+  --shadow: 0 2px 4px 0 hsl(0 0% 0% / 0.06), 0 1px 2px -1px hsl(0 0% 0% / 0.04);
+  --shadow-md: 0 4px 8px 0 hsl(0 0% 0% / 0.08), 0 2px 4px -1px hsl(0 0% 0% / 0.05);
+  --shadow-lg: 0 8px 24px 0 hsl(0 0% 0% / 0.12), 0 4px 8px -2px hsl(0 0% 0% / 0.06);
+  --shadow-xl: 0 16px 40px 0 hsl(0 0% 0% / 0.16);
+  --shadow-2xl: 0 24px 64px 0 hsl(0 0% 0% / 0.24);
   --tracking-normal: 0em;
   --spacing: 0.25rem;
 
@@ -122,66 +115,67 @@
   );
 }
 
-/* DARK MODE — primary surface for the dashboard */
+/* DARK MODE — Primary surface. Deep black + neon green */
 .dark {
-  --button-outline: hsl(220 14% 24% / 0.8);
-  --badge-outline: hsl(220 14% 24% / 0.6);
+  --button-outline: hsl(130 70% 50% / 0.8);
+  --badge-outline: hsl(130 70% 50% / 0.3);
   --opaque-button-border-intensity: 9;
-  --elevate-1: hsl(0 0% 100% / 0.04);
-  --elevate-2: hsl(0 0% 100% / 0.08);
+  --elevate-1: hsl(130 70% 50% / 0.04);
+  --elevate-2: hsl(130 70% 50% / 0.08);
 
-  /* Surfaces: layered slate / near-black gradient */
-  --background: 222 24% 6%;
-  --foreground: 220 14% 96%;
-  --border: 220 12% 18%;
-  --card: 222 20% 9%;
-  --card-foreground: 220 14% 96%;
-  --card-border: 220 12% 16%;
-  --sidebar: 222 28% 7%;
-  --sidebar-foreground: 220 14% 92%;
-  --sidebar-border: 220 12% 14%;
-  --sidebar-primary: 188 72% 56%;
-  --sidebar-primary-foreground: 222 32% 8%;
-  --sidebar-accent: 220 14% 14%;
-  --sidebar-accent-foreground: 220 14% 96%;
-  --sidebar-ring: 188 72% 56%;
-  --popover: 222 22% 14%;
-  --popover-foreground: 220 14% 96%;
-  --popover-border: 220 12% 26%;
-  --primary: 188 72% 56%;
-  --primary-foreground: 222 32% 8%;
-  --secondary: 220 14% 14%;
-  --secondary-foreground: 220 14% 96%;
-  --muted: 220 14% 12%;
-  --muted-foreground: 220 8% 64%;
-  --accent: 220 14% 14%;
-  --accent-foreground: 220 14% 96%;
+  /* Deep black surfaces */
+  --background: 0 0% 4%;
+  --foreground: 0 0% 98%;
+  --border: 0 0% 14%;
+  --card: 0 0% 7%;
+  --card-foreground: 0 0% 98%;
+  --card-border: 0 0% 12%;
+  --sidebar: 0 0% 5%;
+  --sidebar-foreground: 0 0% 96%;
+  --sidebar-border: 0 0% 10%;
+  --sidebar-primary: 130 70% 50%;
+  --sidebar-primary-foreground: 0 0% 100%;
+  --sidebar-accent: 0 0% 12%;
+  --sidebar-accent-foreground: 0 0% 98%;
+  --sidebar-ring: 130 70% 50%;
+  --popover: 0 0% 8%;
+  --popover-foreground: 0 0% 98%;
+  --popover-border: 0 0% 18%;
+  --primary: 130 70% 50%;
+  --primary-foreground: 0 0% 100%;
+  --secondary: 0 0% 12%;
+  --secondary-foreground: 0 0% 98%;
+  --muted: 0 0% 8%;
+  --muted-foreground: 0 0% 55%;
+  --accent: 130 70% 15%;
+  --accent-foreground: 130 70% 60%;
   --destructive: 348 70% 56%;
   --destructive-foreground: 0 0% 100%;
-  --input: 220 12% 22%;
-  --ring: 188 72% 56%;
+  --input: 0 0% 14%;
+  --ring: 130 70% 50%;
 
+  /* Chart palette — brighter for dark bg */
   --chart-1: 152 62% 52%;
   --chart-2: 348 75% 62%;
-  --chart-3: 188 72% 56%;
+  --chart-3: 130 70% 50%;
   --chart-4: 326 68% 62%;
   --chart-5: 38 92% 60%;
 
   --pos: 152 62% 52%;
   --neg: 348 75% 62%;
-  --call-wall: 188 72% 56%;
+  --call-wall: 130 70% 50%;
   --put-wall: 326 68% 62%;
   --hvl: 38 92% 60%;
-  --spot: 220 14% 96%;
+  --spot: 0 0% 98%;
 
-  --shadow-2xs: 0 1px 0 0 hsl(0 0% 0% / 0.4);
-  --shadow-xs: 0 1px 2px 0 hsl(0 0% 0% / 0.5);
-  --shadow-sm: 0 1px 2px 0 hsl(0 0% 0% / 0.5), 0 1px 1px -1px hsl(0 0% 0% / 0.4);
-  --shadow: 0 2px 4px 0 hsl(0 0% 0% / 0.5), 0 1px 2px -1px hsl(0 0% 0% / 0.4);
-  --shadow-md: 0 4px 8px 0 hsl(0 0% 0% / 0.55), 0 2px 4px -1px hsl(0 0% 0% / 0.45);
-  --shadow-lg: 0 8px 24px 0 hsl(0 0% 0% / 0.6), 0 4px 8px -2px hsl(0 0% 0% / 0.5);
-  --shadow-xl: 0 16px 40px 0 hsl(0 0% 0% / 0.7);
-  --shadow-2xl: 0 24px 64px 0 hsl(0 0% 0% / 0.8);
+  --shadow-2xs: 0 1px 0 0 hsl(0 0% 0% / 0.6);
+  --shadow-xs: 0 1px 2px 0 hsl(0 0% 0% / 0.6);
+  --shadow-sm: 0 1px 2px 0 hsl(0 0% 0% / 0.6), 0 1px 1px -1px hsl(0 0% 0% / 0.5);
+  --shadow: 0 2px 4px 0 hsl(0 0% 0% / 0.6), 0 1px 2px -1px hsl(0 0% 0% / 0.5);
+  --shadow-md: 0 4px 8px 0 hsl(0 0% 0% / 0.65), 0 2px 4px -1px hsl(0 0% 0% / 0.55);
+  --shadow-lg: 0 8px 24px 0 hsl(0 0% 0% / 0.7), 0 4px 8px -2px hsl(0 0% 0% / 0.6);
+  --shadow-xl: 0 16px 40px 0 hsl(0 0% 0% / 0.8);
+  --shadow-2xl: 0 24px 64px 0 hsl(0 0% 0% / 0.9);
 
   --sidebar-primary-border: hsl(var(--sidebar-primary));
   --sidebar-primary-border: hsl(
@@ -309,10 +303,20 @@
     inset: -1px;
   }
 
-  /* Subtle grid backdrop for hero / nav header */
+  /* Subtle grid backdrop */
   .grid-backdrop {
-    background-image: linear-gradient(hsl(var(--border) / 0.4) 1px, transparent 1px),
-      linear-gradient(90deg, hsl(var(--border) / 0.4) 1px, transparent 1px);
+    background-image: linear-gradient(hsl(var(--border) / 0.3) 1px, transparent 1px),
+      linear-gradient(90deg, hsl(var(--border) / 0.3) 1px, transparent 1px);
     background-size: 32px 32px;
   }
+
+  /* Neon glow effect for primary elements */
+  .neon-glow {
+    box-shadow: 0 0 20px hsl(130 70% 50% / 0.3),
+                0 0 40px hsl(130 70% 50% / 0.1);
+  }
+
+  .neon-glow-sm {
+    box-shadow: 0 0 10px hsl(130 70% 50% / 0.3);
+  }
 }
diff --git a/client/src/pages/dashboard.tsx b/client/src/pages/dashboard.tsx
index cc8b12a..95ca83a 100644
--- a/client/src/pages/dashboard.tsx
+++ b/client/src/pages/dashboard.tsx
@@ -21,13 +21,13 @@ export default function DashboardPage() {
   const regimePositive = s?.gammaRegime === "positive";
 
   return (
-    <div className="flex flex-col gap-5 p-4 sm:p-6">
+    <div className="flex flex-col gap-6 p-5 sm:p-6">
       {/* Header row */}
       <div className="flex flex-wrap items-end justify-between gap-3">
         <div>
           <div className="flex items-baseline gap-3">
             <h2
-              className="font-mono text-lg font-semibold tracking-tight"
+              className="font-mono text-xl font-bold tracking-tight text-foreground"
               data-testid="text-symbol"
             >
               {symbol}
@@ -35,7 +35,7 @@ export default function DashboardPage() {
             {s && (
               <span
                 className={cn(
-                  "num text-sm font-medium",
+                  "num text-base font-bold",
                   s.spotChangePct >= 0 ? "text-pos" : "text-neg",
                 )}
                 data-testid="text-spot-change"
@@ -44,7 +44,7 @@ export default function DashboardPage() {
               </span>
             )}
           </div>
-          <p className="mt-1 text-xs text-muted-foreground">
+          <p className="mt-1 text-sm text-muted-foreground">
             Snapshot of dealer positioning, expected move, and key gamma levels.
           </p>
         </div>
@@ -52,10 +52,10 @@ export default function DashboardPage() {
           <Badge
             variant="outline"
             className={cn(
-              "gap-1.5 border-border px-2.5 py-1 text-xs font-medium uppercase tracking-wide",
+              "gap-1.5 px-3 py-1.5 text-xs font-semibold uppercase tracking-wider rounded-lg border-border/50",
               regimePositive
-                ? "bg-pos/10 text-pos"
-                : "bg-neg/10 text-neg",
+                ? "bg-pos/10 text-pos border-pos/20"
+                : "bg-neg/10 text-neg border-neg/20",
             )}
             data-testid="badge-gamma-regime"
           >
@@ -151,15 +151,15 @@ export default function DashboardPage() {
       )}
 
       {/* GEX profile chart */}
-      <Card>
-        <CardHeader className="flex flex-row items-center justify-between gap-3 pb-2">
+      <Card className="border-border/50 bg-card/50 backdrop-blur-sm shadow-xl">
+        <CardHeader className="flex flex-row items-center justify-between gap-3 pb-3">
           <div>
-            <CardTitle className="text-base font-semibold">Gamma exposure by strike</CardTitle>
+            <CardTitle className="text-lg font-bold text-foreground">Gamma exposure by strike</CardTitle>
             <p className="mt-1 text-xs text-muted-foreground">
               Estimated dealer gamma contributions. Green bars show call-side positive GEX; pink bars show put-side negative GEX. Vertical guides mark HVL and dominant walls.
             </p>
           </div>
-          <div className="hidden flex-wrap justify-end gap-x-3 gap-y-1 text-[11px] md:flex">
+          <div className="hidden flex-wrap justify-end gap-x-3 gap-y-1 text-[10px] font-semibold md:flex">
             <LegendDot color="hsl(var(--pos))" label="Calls" />
             <LegendDot color="hsl(var(--neg))" label="Puts" />
             <LegendDot color="hsl(var(--hvl))" label="HVL" />
diff --git a/client/src/pages/login.tsx b/client/src/pages/login.tsx
index 7421c2f..f716dfc 100644
--- a/client/src/pages/login.tsx
+++ b/client/src/pages/login.tsx
@@ -6,8 +6,7 @@ import { Label } from "@/components/ui/label";
 import { Button } from "@/components/ui/button";
 import { Alert, AlertDescription } from "@/components/ui/alert";
 import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs";
-import { Separator } from "@/components/ui/separator";
-import { AlertCircle, Eye, EyeOff, Loader2 } from "lucide-react";
+import { AlertCircle, Eye, EyeOff, Loader2, ArrowRight } from "lucide-react";
 
 export default function LoginPage() {
   const { login, register, error, clearError } = useAuth();
@@ -40,36 +39,47 @@ export default function LoginPage() {
   }, [regName, regEmail, regPassword, register, clearError]);
 
   return (
-    <div className="flex min-h-screen items-center justify-center bg-muted/30 px-4">
-      <div className="w-full max-w-md">
-        <div className="mb-6 text-center">
-          <h1 className="text-2xl font-bold tracking-tight">GammaDesk</h1>
-          <p className="text-sm text-muted-foreground">Options analytics dashboard</p>
+    <div className="flex min-h-screen items-center justify-center bg-background px-4">
+      {/* Background subtle gradient */}
+      <div className="absolute inset-0 bg-gradient-to-b from-primary/5 via-transparent to-transparent pointer-events-none" />
+
+      <div className="relative w-full max-w-md">
+        {/* Logo / Brand */}
+        <div className="mb-8 text-center">
+          <div className="inline-flex items-center justify-center w-16 h-16 rounded-2xl bg-primary/10 border border-primary/20 mb-4">
+            <svg width="32" height="32" viewBox="0 0 32 32" fill="none">
+              <path d="M16 4L4 16L16 28L28 16L16 4Z" fill="hsl(130 70% 50%)" fillOpacity="0.2"/>
+              <path d="M16 8L8 16L16 24L24 16L16 8Z" fill="hsl(130 70% 50%)"/>
+              <text x="16" y="19" textAnchor="middle" fill="white" fontSize="10" fontWeight="bold">G</text>
+            </svg>
+          </div>
+          <h1 className="text-2xl font-bold tracking-tight text-foreground">GammaDesk</h1>
+          <p className="text-sm text-muted-foreground mt-1">Options gamma analytics dashboard</p>
         </div>
 
         {error && (
-          <Alert variant="destructive" className="mb-4">
+          <Alert variant="destructive" className="mb-4 border-destructive/50 bg-destructive/10">
             <AlertCircle className="h-4 w-4" />
             <AlertDescription>{error}</AlertDescription>
           </Alert>
         )}
 
         <Tabs defaultValue="login" className="w-full" onValueChange={() => clearError()}>
-          <TabsList className="grid w-full grid-cols-2">
-            <TabsTrigger value="login">Sign In</TabsTrigger>
-            <TabsTrigger value="register">Create Account</TabsTrigger>
+          <TabsList className="grid w-full grid-cols-2 bg-card border border-border mb-6">
+            <TabsTrigger value="login" className="data-[state=active]:bg-primary data-[state=active]:text-primary-foreground rounded-lg">Sign In</TabsTrigger>
+            <TabsTrigger value="register" className="data-[state=active]:bg-primary data-[state=active]:text-primary-foreground rounded-lg">Create Account</TabsTrigger>
           </TabsList>
 
           <TabsContent value="login">
-            <Card>
-              <CardHeader className="pb-3">
-                <CardTitle className="text-base">Welcome back</CardTitle>
-                <CardDescription className="text-xs">Enter your email and password to continue</CardDescription>
+            <Card className="border-border bg-card/50 backdrop-blur-sm shadow-xl">
+              <CardHeader className="pb-4">
+                <CardTitle className="text-xl font-semibold">Welcome back</CardTitle>
+                <CardDescription className="text-sm text-muted-foreground">Enter your credentials to continue</CardDescription>
               </CardHeader>
               <CardContent>
-                <form onSubmit={handleLogin} className="flex flex-col gap-4">
-                  <div className="flex flex-col gap-1.5">
-                    <Label htmlFor="login-email" className="text-xs">Email</Label>
+                <form onSubmit={handleLogin} className="flex flex-col gap-5">
+                  <div className="flex flex-col gap-2">
+                    <Label htmlFor="login-email" className="text-xs font-medium text-muted-foreground uppercase tracking-wider">Email</Label>
                     <Input
                       id="login-email"
                       type="email"
@@ -78,10 +88,11 @@ export default function LoginPage() {
                       placeholder="you@example.com"
                       required
                       autoComplete="email"
+                      className="h-12 bg-background border-border focus:border-primary focus:ring-primary/20"
                     />
                   </div>
-                  <div className="flex flex-col gap-1.5">
-                    <Label htmlFor="login-password" className="text-xs">Password</Label>
+                  <div className="flex flex-col gap-2">
+                    <Label htmlFor="login-password" className="text-xs font-medium text-muted-foreground uppercase tracking-wider">Password</Label>
                     <div className="relative">
                       <Input
                         id="login-password"
@@ -91,19 +102,25 @@ export default function LoginPage() {
                         placeholder="••••••••"
                         required
                         autoComplete="current-password"
+                        className="h-12 bg-background border-border focus:border-primary focus:ring-primary/20 pr-10"
                       />
                       <button
                         type="button"
-                        className="absolute right-2 top-1/2 -translate-y-1/2 text-muted-foreground"
+                        className="absolute right-3 top-1/2 -translate-y-1/2 text-muted-foreground hover:text-foreground transition-colors"
                         onClick={() => setShowPassword(!showPassword)}
                       >
                         {showPassword ? <EyeOff className="h-4 w-4" /> : <Eye className="h-4 w-4" />}
                       </button>
                     </div>
                   </div>
-                  <Button type="submit" className="w-full" disabled={loading}>
+                  <Button
+                    type="submit"
+                    className="w-full h-12 text-base font-semibold bg-primary hover:bg-primary/90 text-primary-foreground rounded-xl neon-glow-sm transition-all"
+                    disabled={loading}
+                  >
                     {loading && <Loader2 className="mr-2 h-4 w-4 animate-spin" />}
                     Sign In
+                    {!loading && <ArrowRight className="ml-2 h-4 w-4" />}
                   </Button>
                 </form>
               </CardContent>
@@ -111,15 +128,15 @@ export default function LoginPage() {
           </TabsContent>
 
           <TabsContent value="register">
-            <Card>
-              <CardHeader className="pb-3">
-                <CardTitle className="text-base">Create your account</CardTitle>
-                <CardDescription className="text-xs">Sign up to access the dashboard</CardDescription>
+            <Card className="border-border bg-card/50 backdrop-blur-sm shadow-xl">
+              <CardHeader className="pb-4">
+                <CardTitle className="text-xl font-semibold">Create your account</CardTitle>
+                <CardDescription className="text-sm text-muted-foreground">Sign up to access the dashboard</CardDescription>
               </CardHeader>
               <CardContent>
-                <form onSubmit={handleRegister} className="flex flex-col gap-4">
-                  <div className="flex flex-col gap-1.5">
-                    <Label htmlFor="reg-name" className="text-xs">Name</Label>
+                <form onSubmit={handleRegister} className="flex flex-col gap-5">
+                  <div className="flex flex-col gap-2">
+                    <Label htmlFor="reg-name" className="text-xs font-medium text-muted-foreground uppercase tracking-wider">Name</Label>
                     <Input
                       id="reg-name"
                       type="text"
@@ -128,10 +145,11 @@ export default function LoginPage() {
                       placeholder="John Doe"
                       required
                       autoComplete="name"
+                      className="h-12 bg-background border-border focus:border-primary focus:ring-primary/20"
                     />
                   </div>
-                  <div className="flex flex-col gap-1.5">
-                    <Label htmlFor="reg-email" className="text-xs">Email</Label>
+                  <div className="flex flex-col gap-2">
+                    <Label htmlFor="reg-email" className="text-xs font-medium text-muted-foreground uppercase tracking-wider">Email</Label>
                     <Input
                       id="reg-email"
                       type="email"
@@ -140,10 +158,11 @@ export default function LoginPage() {
                       placeholder="you@example.com"
                       required
                       autoComplete="email"
+                      className="h-12 bg-background border-border focus:border-primary focus:ring-primary/20"
                     />
                   </div>
-                  <div className="flex flex-col gap-1.5">
-                    <Label htmlFor="reg-password" className="text-xs">Password</Label>
+                  <div className="flex flex-col gap-2">
+                    <Label htmlFor="reg-password" className="text-xs font-medium text-muted-foreground uppercase tracking-wider">Password</Label>
                     <Input
                       id="reg-password"
                       type="password"
@@ -153,17 +172,28 @@ export default function LoginPage() {
                       required
                       minLength={6}
                       autoComplete="new-password"
+                      className="h-12 bg-background border-border focus:border-primary focus:ring-primary/20"
                     />
                   </div>
-                  <Button type="submit" className="w-full" disabled={loading}>
+                  <Button
+                    type="submit"
+                    className="w-full h-12 text-base font-semibold bg-primary hover:bg-primary/90 text-primary-foreground rounded-xl neon-glow-sm transition-all"
+                    disabled={loading}
+                  >
                     {loading && <Loader2 className="mr-2 h-4 w-4 animate-spin" />}
                     Create Account
+                    {!loading && <ArrowRight className="ml-2 h-4 w-4" />}
                   </Button>
                 </form>
               </CardContent>
             </Card>
           </TabsContent>
         </Tabs>
+
+        {/* Footer */}
+        <p className="text-center text-xs text-muted-foreground mt-8">
+          Analytics & education only. Not financial advice.
+        </p>
       </div>
     </div>
   );