fix: improve dashboard UX and fix dark mode

- Replace hardcoded bg-white with bg-surface across all dashboard pages
- Add welcome banner with quick actions on dashboard overview
- Improve quick action cards with better hover states and icons
- Enhance profile section with avatar initial and edit button
- Fix dark mode support in collections, executor config, and playground

apps/web/src/app/collections/[id]/page.tsx

@@ -93,7 +93,7 @@ function McpUrlSection({ username, slug }: { username: string; slug: string }) {
             <span className="text-xs text-foreground-tertiary">(recommended)</span>
           </div>
           <div className="flex items-center gap-2">
-            <div className="flex-1 px-3 py-2 bg-white border border-border rounded-lg font-mono text-sm text-foreground-secondary overflow-x-auto">
+            <div className="flex-1 px-3 py-2 bg-surface border border-border rounded-lg font-mono text-sm text-foreground-secondary overflow-x-auto">
               {httpUrl}
             </div>
             <Button
@@ -117,7 +117,7 @@ function McpUrlSection({ username, slug }: { username: string; slug: string }) {
             <span className="text-xs text-foreground-tertiary">(streaming)</span>
           </div>
           <div className="flex items-center gap-2">
-            <div className="flex-1 px-3 py-2 bg-white border border-border rounded-lg font-mono text-sm text-foreground-secondary overflow-x-auto">
+            <div className="flex-1 px-3 py-2 bg-surface border border-border rounded-lg font-mono text-sm text-foreground-secondary overflow-x-auto">
               {sseUrl}
             </div>
             <Button
@@ -146,7 +146,7 @@ function McpUrlSection({ username, slug }: { username: string; slug: string }) {
 
         {showConfig && (
           <div className="mt-3 relative">
-            <pre className="p-4 bg-white border border-border rounded-lg text-xs font-mono text-foreground-secondary overflow-x-auto">
+            <pre className="p-4 bg-surface border border-border rounded-lg text-xs font-mono text-foreground-secondary overflow-x-auto">
               {configSnippet}
             </pre>
             <Button
@@ -320,7 +320,7 @@ export default function PublicCollectionDetailPage(): React.ReactElement {
           <h2 className="text-lg font-semibold text-foreground mb-4">Tools in this Collection</h2>
 
           {collection.tools.length === 0 ? (
-            <div className="text-center py-12 bg-white border border-border rounded-lg">
+            <div className="text-center py-12 bg-surface border border-border rounded-lg">
               <Icon icon="puzzle" size="lg" className="mx-auto text-foreground-tertiary mb-2" />
               <p className="text-foreground-secondary">No tools in this collection yet</p>
             </div>
@@ -329,7 +329,7 @@ export default function PublicCollectionDetailPage(): React.ReactElement {
               {collection.tools.map((ct) => (
                 <div
                   key={ct.id}
-                  className="bg-white border border-border rounded-lg p-4 hover:border-foreground/20 hover:shadow-sm transition-all"
+                  className="bg-surface border border-border rounded-lg p-4 hover:border-foreground/20 hover:shadow-sm transition-all"
                 >
                   <div className="flex items-start justify-between mb-2">
                     <div>

apps/web/src/app/dashboard/agents/page.tsx

@@ -154,7 +154,7 @@ export default function AgentsPage(): React.ReactElement {
         </Link>
       }
     >
-      <div className="bg-white border border-border rounded-lg overflow-hidden">
+      <div className="bg-surface border border-border rounded-lg overflow-hidden">
         <Table>
           <TableHeader>
             <TableRow>

apps/web/src/app/dashboard/collections/[id]/page.tsx

@@ -64,7 +64,7 @@ function McpUrlSection({ username, slug }: { username: string; slug: string }) {
             <span className="text-xs text-foreground-tertiary">(recommended)</span>
           </div>
           <div className="flex items-center gap-2">
-            <div className="flex-1 px-3 py-2 bg-white border border-border rounded-lg font-mono text-sm text-foreground-secondary overflow-x-auto">
+            <div className="flex-1 px-3 py-2 bg-surface border border-border rounded-lg font-mono text-sm text-foreground-secondary overflow-x-auto">
               {httpUrl}
             </div>
             <Button
@@ -88,7 +88,7 @@ function McpUrlSection({ username, slug }: { username: string; slug: string }) {
             <span className="text-xs text-foreground-tertiary">(streaming)</span>
           </div>
           <div className="flex items-center gap-2">
-            <div className="flex-1 px-3 py-2 bg-white border border-border rounded-lg font-mono text-sm text-foreground-secondary overflow-x-auto">
+            <div className="flex-1 px-3 py-2 bg-surface border border-border rounded-lg font-mono text-sm text-foreground-secondary overflow-x-auto">
               {sseUrl}
             </div>
             <Button
@@ -117,7 +117,7 @@ function McpUrlSection({ username, slug }: { username: string; slug: string }) {
 
         {showConfig && (
           <div className="mt-3 relative">
-            <pre className="p-4 bg-white border border-border rounded-lg text-xs font-mono text-foreground-secondary overflow-x-auto">
+            <pre className="p-4 bg-surface border border-border rounded-lg text-xs font-mono text-foreground-secondary overflow-x-auto">
               {configSnippet}
             </pre>
             <Button
@@ -480,7 +480,7 @@ export default function CollectionDetailPage(): React.ReactElement {
     >
       {/* Edit Form */}
       {isEditing && (
-        <div className="bg-white border border-border rounded-lg p-6 mb-8">
+        <div className="bg-surface border border-border rounded-lg p-6 mb-8">
           <CollectionForm
             initialData={{
               name: collection.name,

apps/web/src/app/dashboard/collections/page.tsx

@@ -166,7 +166,7 @@ export default function CollectionsPage(): React.ReactElement {
     >
       {/* Create Form */}
       {showCreateForm && (
-        <div className="bg-white border border-border rounded-lg p-6 mb-6">
+        <div className="bg-surface border border-border rounded-lg p-6 mb-6">
           <h2 className="text-lg font-medium text-foreground mb-4">Create New Collection</h2>
           <CollectionForm
             onSubmit={handleCreate}
@@ -178,7 +178,7 @@ export default function CollectionsPage(): React.ReactElement {
       )}
 
       {/* Collections Table */}
-      <div className="bg-white border border-border rounded-lg overflow-hidden">
+      <div className="bg-surface border border-border rounded-lg overflow-hidden">
         <Table>
           <TableHeader>
             <TableRow>

apps/web/src/app/dashboard/likes/agents/page.tsx

@@ -95,7 +95,7 @@ export default function LikedAgentsPage(): React.ReactElement {
       {isLoading ? (
         <div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
           {[1, 2, 3, 4, 5, 6].map((i) => (
-            <div key={i} className="bg-white border border-border rounded-lg p-4 animate-pulse">
+            <div key={i} className="bg-surface border border-border rounded-lg p-4 animate-pulse">
               <div className="h-5 bg-surface-secondary rounded w-3/4 mb-2" />
               <div className="h-4 bg-surface-secondary rounded w-full mb-1" />
               <div className="h-4 bg-surface-secondary rounded w-2/3" />
@@ -121,7 +121,7 @@ export default function LikedAgentsPage(): React.ReactElement {
             {agents.map((item) => (
               <div
                 key={item.id}
-                className="bg-white border border-border rounded-lg p-4 hover:border-foreground/20 hover:shadow-sm transition-all"
+                className="bg-surface border border-border rounded-lg p-4 hover:border-foreground/20 hover:shadow-sm transition-all"
               >
                 <div className="flex items-start justify-between mb-2">
                   <Link

apps/web/src/app/dashboard/likes/collections/page.tsx

@@ -97,7 +97,7 @@ export default function LikedCollectionsPage(): React.ReactElement {
       {isLoading ? (
         <div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
           {[1, 2, 3, 4, 5, 6].map((i) => (
-            <div key={i} className="bg-white border border-border rounded-lg p-4 animate-pulse">
+            <div key={i} className="bg-surface border border-border rounded-lg p-4 animate-pulse">
               <div className="h-5 bg-surface-secondary rounded w-3/4 mb-2" />
               <div className="h-4 bg-surface-secondary rounded w-full mb-1" />
               <div className="h-4 bg-surface-secondary rounded w-2/3" />
@@ -123,7 +123,7 @@ export default function LikedCollectionsPage(): React.ReactElement {
             {collections.map((item) => (
               <div
                 key={item.id}
-                className="bg-white border border-border rounded-lg p-4 hover:border-foreground/20 hover:shadow-sm transition-all"
+                className="bg-surface border border-border rounded-lg p-4 hover:border-foreground/20 hover:shadow-sm transition-all"
               >
                 <div className="flex items-start justify-between mb-2">
                   <Link

apps/web/src/app/dashboard/likes/page.tsx

@@ -95,7 +95,7 @@ export default function LikesOverviewPage(): React.ReactElement {
       <div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
         {sections.map((section) => (
           <Link key={section.href} href={section.href} className="block">
-            <div className="bg-white border border-border rounded-lg p-6 hover:border-foreground/20 hover:shadow-sm transition-all group h-full">
+            <div className="bg-surface border border-border rounded-lg p-6 hover:border-foreground/20 hover:shadow-sm transition-all group h-full">
               <div className="flex items-center gap-4">
                 <div className="w-12 h-12 rounded-lg bg-primary/10 flex items-center justify-center group-hover:bg-primary/20 transition-colors">
                   <Icon icon={section.icon} size="md" className="text-primary" />

apps/web/src/app/dashboard/likes/tools/page.tsx

@@ -90,7 +90,7 @@ export default function LikedToolsPage(): React.ReactElement {
       {isLoading ? (
         <div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
           {[1, 2, 3, 4, 5, 6].map((i) => (
-            <div key={i} className="bg-white border border-border rounded-lg p-4 animate-pulse">
+            <div key={i} className="bg-surface border border-border rounded-lg p-4 animate-pulse">
               <div className="h-5 bg-surface-secondary rounded w-3/4 mb-2" />
               <div className="h-4 bg-surface-secondary rounded w-full mb-1" />
               <div className="h-4 bg-surface-secondary rounded w-2/3" />
@@ -116,7 +116,7 @@ export default function LikedToolsPage(): React.ReactElement {
             {tools.map((item) => (
               <div
                 key={item.id}
-                className="bg-white border border-border rounded-lg p-4 hover:border-foreground/20 hover:shadow-sm transition-all"
+                className="bg-surface border border-border rounded-lg p-4 hover:border-foreground/20 hover:shadow-sm transition-all"
               >
                 <div className="flex items-start justify-between mb-2">
                   <Link

apps/web/src/app/dashboard/page.tsx

@@ -1,6 +1,7 @@
 'use client';
 
 import { useSession } from '@/lib/auth-client';
+import { Button } from '@tpmjs/ui/Button/Button';
 import { Icon } from '@tpmjs/ui/Icon/Icon';
 import Link from 'next/link';
 import { DashboardActivityStream } from '~/components/DashboardActivityStream';
@@ -11,51 +12,86 @@ export default function DashboardPage(): React.ReactElement {
 
   return (
     <DashboardLayout title="Overview">
+      {/* Welcome Banner */}
+      <div className="mb-8 p-6 rounded-lg bg-gradient-to-r from-primary/10 via-primary/5 to-transparent border border-primary/20">
+        <h2 className="text-xl font-semibold text-foreground mb-2">
+          Welcome back{session?.user?.name ? `, ${session.user.name.split(' ')[0]}` : ''}!
+        </h2>
+        <p className="text-foreground-secondary mb-4">
+          Build AI agents, organize tools into collections, and connect them to your workflows.
+        </p>
+        <div className="flex flex-wrap gap-3">
+          <Link href="/dashboard/agents/new">
+            <Button size="sm">
+              <Icon icon="plus" size="xs" className="mr-1" />
+              Create Agent
+            </Button>
+          </Link>
+          <Link href="/tool/tool-search">
+            <Button size="sm" variant="outline">
+              <Icon icon="search" size="xs" className="mr-1" />
+              Browse Tools
+            </Button>
+          </Link>
+        </div>
+      </div>
+
       {/* Quick Actions */}
       <div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-3 mb-8">
-        <Link href="/dashboard/agents" className="block">
-          <div className="bg-white border border-border rounded-lg p-6 hover:border-foreground/20 hover:shadow-sm transition-all group">
-            <div className="flex items-center gap-4">
+        <Link href="/dashboard/agents" className="block group">
+          <div className="bg-surface border border-border rounded-lg p-6 hover:border-primary/50 hover:shadow-md transition-all h-full">
+            <div className="flex items-start justify-between mb-4">
               <div className="w-12 h-12 rounded-lg bg-primary/10 flex items-center justify-center group-hover:bg-primary/20 transition-colors">
                 <Icon icon="terminal" size="md" className="text-primary" />
               </div>
-              <div>
-                <h2 className="text-lg font-medium text-foreground">My Agents</h2>
-                <p className="text-sm text-foreground-secondary">
-                  Create and manage AI agents with tools
-                </p>
-              </div>
+              <Icon
+                icon="chevronRight"
+                size="sm"
+                className="text-foreground-tertiary group-hover:text-primary group-hover:translate-x-1 transition-all"
+              />
             </div>
+            <h3 className="text-lg font-semibold text-foreground mb-1">Agents</h3>
+            <p className="text-sm text-foreground-secondary">
+              Create AI agents with custom tools and system prompts
+            </p>
           </div>
         </Link>
 
-        <Link href="/dashboard/collections" className="block">
-          <div className="bg-white border border-border rounded-lg p-6 hover:border-foreground/20 hover:shadow-sm transition-all group">
-            <div className="flex items-center gap-4">
+        <Link href="/dashboard/collections" className="block group">
+          <div className="bg-surface border border-border rounded-lg p-6 hover:border-primary/50 hover:shadow-md transition-all h-full">
+            <div className="flex items-start justify-between mb-4">
               <div className="w-12 h-12 rounded-lg bg-primary/10 flex items-center justify-center group-hover:bg-primary/20 transition-colors">
                 <Icon icon="folder" size="md" className="text-primary" />
               </div>
-              <div>
-                <h2 className="text-lg font-medium text-foreground">My Collections</h2>
-                <p className="text-sm text-foreground-secondary">
-                  Organize and share your favorite tools
-                </p>
-              </div>
+              <Icon
+                icon="chevronRight"
+                size="sm"
+                className="text-foreground-tertiary group-hover:text-primary group-hover:translate-x-1 transition-all"
+              />
             </div>
+            <h3 className="text-lg font-semibold text-foreground mb-1">Collections</h3>
+            <p className="text-sm text-foreground-secondary">
+              Group tools together and share them as MCP servers
+            </p>
           </div>
         </Link>
 
-        <Link href="/dashboard/settings/api-keys" className="block">
-          <div className="bg-white border border-border rounded-lg p-6 hover:border-foreground/20 hover:shadow-sm transition-all group">
-            <div className="flex items-center gap-4">
+        <Link href="/dashboard/settings/tpmjs-api-keys" className="block group">
+          <div className="bg-surface border border-border rounded-lg p-6 hover:border-primary/50 hover:shadow-md transition-all h-full">
+            <div className="flex items-start justify-between mb-4">
               <div className="w-12 h-12 rounded-lg bg-primary/10 flex items-center justify-center group-hover:bg-primary/20 transition-colors">
                 <Icon icon="key" size="md" className="text-primary" />
               </div>
-              <div>
-                <h2 className="text-lg font-medium text-foreground">API Keys</h2>
-                <p className="text-sm text-foreground-secondary">Manage AI provider credentials</p>
-              </div>
+              <Icon
+                icon="chevronRight"
+                size="sm"
+                className="text-foreground-tertiary group-hover:text-primary group-hover:translate-x-1 transition-all"
+              />
             </div>
+            <h3 className="text-lg font-semibold text-foreground mb-1">API Keys</h3>
+            <p className="text-sm text-foreground-secondary">
+              Generate keys for programmatic API access
+            </p>
           </div>
         </Link>
       </div>
@@ -63,35 +99,49 @@ export default function DashboardPage(): React.ReactElement {
       {/* Two-column layout for Profile and Activity */}
       <div className="grid gap-6 lg:grid-cols-2">
         {/* Profile Section */}
-        <div className="bg-white border border-border rounded-lg p-6">
-          <h2 className="text-lg font-medium text-foreground mb-4">Profile</h2>
+        <div className="bg-surface border border-border rounded-lg p-6">
+          <div className="flex items-center justify-between mb-4">
+            <h2 className="text-lg font-medium text-foreground">Profile</h2>
+            <Link href="/dashboard/settings/profile">
+              <Button size="sm" variant="ghost">
+                <Icon icon="edit" size="xs" className="mr-1" />
+                Edit
+              </Button>
+            </Link>
+          </div>
 
           <div className="space-y-4">
-            <div>
-              <span className="block text-sm text-foreground-secondary">Name</span>
-              <p className="text-foreground font-medium">{session?.user?.name || 'User'}</p>
+            <div className="flex items-center gap-4">
+              <div className="w-16 h-16 rounded-full bg-primary/10 flex items-center justify-center">
+                <span className="text-2xl font-bold text-primary">
+                  {session?.user?.name?.[0]?.toUpperCase() || 'U'}
+                </span>
+              </div>
+              <div>
+                <p className="text-lg font-medium text-foreground">
+                  {session?.user?.name || 'User'}
+                </p>
+                <p className="text-sm text-foreground-secondary">{session?.user?.email}</p>
+              </div>
             </div>
 
-            <div>
-              <span className="block text-sm text-foreground-secondary">Email</span>
-              <p className="text-foreground font-medium">{session?.user?.email}</p>
-            </div>
-
-            <div>
-              <span className="block text-sm text-foreground-secondary">Email Verified</span>
-              <p className="text-foreground font-medium">
-                {session?.user?.emailVerified ? (
-                  <span className="text-success">Verified</span>
-                ) : (
-                  <span className="text-warning">Not verified</span>
-                )}
-              </p>
+            <div className="pt-4 border-t border-border">
+              <div className="flex items-center gap-2 text-sm">
+                <Icon
+                  icon={session?.user?.emailVerified ? 'check' : 'alertCircle'}
+                  size="xs"
+                  className={session?.user?.emailVerified ? 'text-success' : 'text-warning'}
+                />
+                <span className="text-foreground-secondary">
+                  {session?.user?.emailVerified ? 'Email verified' : 'Email not verified'}
+                </span>
+              </div>
             </div>
           </div>
         </div>
 
         {/* Activity Stream Section */}
-        <div className="bg-white border border-border rounded-lg p-6">
+        <div className="bg-surface border border-border rounded-lg p-6">
           <h2 className="text-lg font-medium text-foreground mb-4">Recent Activity</h2>
           <DashboardActivityStream autoRefreshInterval={30000} />
         </div>