diff --git a/CHANGELOG.md b/CHANGELOG.md
index 018a7cede..85a1da408 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,8 +7,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Added
+
+- Set up `open-color` for CSS variable usage
+
 ### Changed
 
+- Simplified the data providers management of the admin control panel
 - Migrated the `@ghostfolio/ui/assistant` component to control flow
 - Migrated the `@ghostfolio/ui/value` component to control flow
 - Renamed `GranteeUser` to `granteeUser` in the `Access` database schema
diff --git a/apps/client/project.json b/apps/client/project.json
index 4bb7fe296..215c5dae1 100644
--- a/apps/client/project.json
+++ b/apps/client/project.json
@@ -73,7 +73,8 @@
         "styles": [
           "apps/client/src/assets/fonts/inter.css",
           "apps/client/src/styles/theme.scss",
-          "apps/client/src/styles.scss"
+          "apps/client/src/styles.scss",
+          "node_modules/open-color/open-color.css"
         ],
         "scripts": ["node_modules/marked/marked.min.js"],
         "vendorChunk": true,
diff --git a/apps/client/src/app/components/admin-settings/admin-settings.component.html b/apps/client/src/app/components/admin-settings/admin-settings.component.html
index 368b98da5..f00b5bc88 100644
--- a/apps/client/src/app/components/admin-settings/admin-settings.component.html
+++ b/apps/client/src/app/components/admin-settings/admin-settings.component.html
@@ -2,6 +2,42 @@
   <div class="mb-5 row">
     <div class="col">
       <h2 class="text-center" i18n>Data Providers</h2>
+      @if (isGhostfolioApiKeyValid === false) {
+        <mat-card appearance="outlined" class="my-3 special">
+          <mat-card-header>
+            <mat-card-title class="align-items-center d-flex m-0" i18n
+              >Ghostfolio Premium
+              <gf-premium-indicator
+                class="d-inline-block mx-1"
+                [enableLink]="false"
+            /></mat-card-title>
+          </mat-card-header>
+          <mat-card-content class="gf-text-wrap-balance py-3" i18n>
+            Fuel your <strong>self-hosted Ghostfolio</strong> with a
+            <strong>powerful data provider</strong> to access
+            <strong>80,000+ tickers</strong> from over
+            <strong>50 exchanges</strong> worldwide.
+          </mat-card-content>
+          <mat-card-actions class="pb-3 pt-0 px-3">
+            <a
+              class="special"
+              href="mailto:hi@ghostfol.io?Subject=Ghostfolio Premium Data Provider&body=Hello,%0D%0DI am interested in the Ghostfolio Premium data provider. Could you please give me access so I can try it for some time?%0D%0DKind regards"
+              mat-flat-button
+            >
+              <ng-container i18n>Get Access</ng-container>
+            </a>
+            <div class="mx-3 text-muted" i18n>or</div>
+            <a
+              color="accent"
+              mat-stroked-button
+              target="_blank"
+              [href]="pricingUrl"
+            >
+              <ng-container i18n>Learn more</ng-container>
+            </a>
+          </mat-card-actions>
+        </mat-card>
+      }
       <table class="gf-table w-100" mat-table [dataSource]="dataSource">
         <ng-container matColumnDef="name">
           <th *matHeaderCellDef class="px-1 py-2" mat-header-cell>
@@ -23,8 +59,10 @@
                       [enableLink]="false"
                     />
                     @if (isGhostfolioApiKeyValid === false) {
-                      <span class="badge badge-light early-access ml-2" i18n
-                        >Early Access</span
+                      <span
+                        class="badge badge-light ml-2 new text-uppercase"
+                        i18n
+                        >new</span
                       >
                     }
                   </a>
diff --git a/apps/client/src/app/components/admin-settings/admin-settings.component.scss b/apps/client/src/app/components/admin-settings/admin-settings.component.scss
index 384143300..28bab4deb 100644
--- a/apps/client/src/app/components/admin-settings/admin-settings.component.scss
+++ b/apps/client/src/app/components/admin-settings/admin-settings.component.scss
@@ -1,16 +1,26 @@
 :host {
   display: block;
 
+  a,
   button {
     &.special {
-      background: linear-gradient(45deg, rgb(228, 94, 237), rgb(104, 94, 237));
+      background: linear-gradient(45deg, var(--oc-pink-5), var(--oc-violet-5));
       color: #fff;
     }
   }
 
   .badge {
-    &.early-access {
+    &.new {
       border: 1px solid var(--mat-table-row-item-outline-color);
+      padding-bottom: 0.05rem;
+    }
+  }
+
+  .mat-mdc-card {
+    --mdc-outlined-card-container-color: whitesmoke;
+
+    .mat-mdc-card-actions {
+      min-height: 0;
     }
   }
 
@@ -26,3 +36,9 @@
     }
   }
 }
+
+:host-context(.theme-dark) {
+  .mat-mdc-card {
+    --mdc-outlined-card-container-color: #222222;
+  }
+}
diff --git a/apps/client/src/app/components/admin-settings/admin-settings.component.ts b/apps/client/src/app/components/admin-settings/admin-settings.component.ts
index 8911fb818..209fbe9f0 100644
--- a/apps/client/src/app/components/admin-settings/admin-settings.component.ts
+++ b/apps/client/src/app/components/admin-settings/admin-settings.component.ts
@@ -19,14 +19,9 @@ import {
   OnDestroy,
   OnInit
 } from '@angular/core';
-import { MatDialog } from '@angular/material/dialog';
 import { MatTableDataSource } from '@angular/material/table';
-import { DeviceDetectorService } from 'ngx-device-detector';
 import { catchError, filter, of, Subject, takeUntil } from 'rxjs';
 
-import { GfGhostfolioPremiumApiDialogComponent } from './ghostfolio-premium-api-dialog/ghostfolio-premium-api-dialog.component';
-import { GhostfolioPremiumApiDialogParams } from './ghostfolio-premium-api-dialog/interfaces/interfaces';
-
 @Component({
   changeDetection: ChangeDetectionStrategy.OnPush,
   selector: 'gf-admin-settings',
@@ -43,7 +38,6 @@ export class AdminSettingsComponent implements OnDestroy, OnInit {
   public isLoading = false;
   public pricingUrl: string;
 
-  private deviceType: string;
   private unsubscribeSubject = new Subject<void>();
   private user: User;
 
@@ -51,15 +45,11 @@ export class AdminSettingsComponent implements OnDestroy, OnInit {
     private adminService: AdminService,
     private changeDetectorRef: ChangeDetectorRef,
     private dataService: DataService,
-    private deviceService: DeviceDetectorService,
-    private matDialog: MatDialog,
     private notificationService: NotificationService,
     private userService: UserService
   ) {}
 
   public ngOnInit() {
-    this.deviceType = this.deviceService.getDeviceInfo().deviceType;
-
     this.userService.stateChanged
       .pipe(takeUntil(this.unsubscribeSubject))
       .subscribe((state) => {
@@ -100,25 +90,22 @@ export class AdminSettingsComponent implements OnDestroy, OnInit {
   }
 
   public onSetGhostfolioApiKey() {
-    const dialogRef = this.matDialog.open(
-      GfGhostfolioPremiumApiDialogComponent,
-      {
-        autoFocus: false,
-        data: {
-          deviceType: this.deviceType,
-          pricingUrl: this.pricingUrl
-        } as GhostfolioPremiumApiDialogParams,
-        height: this.deviceType === 'mobile' ? '98vh' : undefined,
-        width: this.deviceType === 'mobile' ? '100vw' : '50rem'
-      }
-    );
-
-    dialogRef
-      .afterClosed()
-      .pipe(takeUntil(this.unsubscribeSubject))
-      .subscribe(() => {
-        this.initialize();
-      });
+    this.notificationService.prompt({
+      confirmFn: (value) => {
+        const ghostfolioApiKey = value?.trim();
+
+        if (ghostfolioApiKey) {
+          this.dataService
+            .putAdminSetting(PROPERTY_API_KEY_GHOSTFOLIO, {
+              value: ghostfolioApiKey
+            })
+            .subscribe(() => {
+              this.initialize();
+            });
+        }
+      },
+      title: $localize`Please enter your Ghostfolio API key.`
+    });
   }
 
   public ngOnDestroy() {
diff --git a/apps/client/src/app/components/admin-settings/admin-settings.module.ts b/apps/client/src/app/components/admin-settings/admin-settings.module.ts
index 228ddef00..52aec67be 100644
--- a/apps/client/src/app/components/admin-settings/admin-settings.module.ts
+++ b/apps/client/src/app/components/admin-settings/admin-settings.module.ts
@@ -7,6 +7,7 @@ import { GfValueComponent } from '@ghostfolio/ui/value';
 import { CommonModule } from '@angular/common';
 import { CUSTOM_ELEMENTS_SCHEMA, NgModule } from '@angular/core';
 import { MatButtonModule } from '@angular/material/button';
+import { MatCardModule } from '@angular/material/card';
 import { MatMenuModule } from '@angular/material/menu';
 import { MatProgressBarModule } from '@angular/material/progress-bar';
 import { MatTableModule } from '@angular/material/table';
@@ -25,6 +26,7 @@ import { AdminSettingsComponent } from './admin-settings.component';
     GfPremiumIndicatorComponent,
     GfValueComponent,
     MatButtonModule,
+    MatCardModule,
     MatMenuModule,
     MatProgressBarModule,
     MatTableModule,
diff --git a/apps/client/src/app/components/admin-settings/ghostfolio-premium-api-dialog/ghostfolio-premium-api-dialog.component.ts b/apps/client/src/app/components/admin-settings/ghostfolio-premium-api-dialog/ghostfolio-premium-api-dialog.component.ts
deleted file mode 100644
index e42e6259e..000000000
--- a/apps/client/src/app/components/admin-settings/ghostfolio-premium-api-dialog/ghostfolio-premium-api-dialog.component.ts
+++ /dev/null
@@ -1,60 +0,0 @@
-import { NotificationService } from '@ghostfolio/client/core/notification/notification.service';
-import { DataService } from '@ghostfolio/client/services/data.service';
-import { PROPERTY_API_KEY_GHOSTFOLIO } from '@ghostfolio/common/config';
-import { GfPremiumIndicatorComponent } from '@ghostfolio/ui/premium-indicator';
-
-import { Component, Inject } from '@angular/core';
-import { MatButtonModule } from '@angular/material/button';
-import {
-  MAT_DIALOG_DATA,
-  MatDialogModule,
-  MatDialogRef
-} from '@angular/material/dialog';
-
-import { GfDialogFooterModule } from '../../dialog-footer/dialog-footer.module';
-import { GfDialogHeaderModule } from '../../dialog-header/dialog-header.module';
-import { GhostfolioPremiumApiDialogParams } from './interfaces/interfaces';
-
-@Component({
-  imports: [
-    GfDialogFooterModule,
-    GfDialogHeaderModule,
-    GfPremiumIndicatorComponent,
-    MatButtonModule,
-    MatDialogModule
-  ],
-  selector: 'gf-ghostfolio-premium-api-dialog',
-  styleUrls: ['./ghostfolio-premium-api-dialog.scss'],
-  templateUrl: './ghostfolio-premium-api-dialog.html'
-})
-export class GfGhostfolioPremiumApiDialogComponent {
-  public constructor(
-    @Inject(MAT_DIALOG_DATA) public data: GhostfolioPremiumApiDialogParams,
-    private dataService: DataService,
-    public dialogRef: MatDialogRef<GfGhostfolioPremiumApiDialogComponent>,
-    private notificationService: NotificationService
-  ) {}
-
-  public onCancel() {
-    this.dialogRef.close();
-  }
-
-  public onSetGhostfolioApiKey() {
-    this.notificationService.prompt({
-      confirmFn: (value) => {
-        const ghostfolioApiKey = value?.trim();
-
-        if (ghostfolioApiKey) {
-          this.dataService
-            .putAdminSetting(PROPERTY_API_KEY_GHOSTFOLIO, {
-              value: ghostfolioApiKey
-            })
-            .subscribe(() => {
-              this.dialogRef.close();
-            });
-        }
-      },
-      title: $localize`Please enter your Ghostfolio API key.`
-    });
-  }
-}
diff --git a/apps/client/src/app/components/admin-settings/ghostfolio-premium-api-dialog/ghostfolio-premium-api-dialog.html b/apps/client/src/app/components/admin-settings/ghostfolio-premium-api-dialog/ghostfolio-premium-api-dialog.html
deleted file mode 100644
index 017133f5b..000000000
--- a/apps/client/src/app/components/admin-settings/ghostfolio-premium-api-dialog/ghostfolio-premium-api-dialog.html
+++ /dev/null
@@ -1,49 +0,0 @@
-<gf-dialog-header
-  mat-dialog-title
-  position="center"
-  title="Ghostfolio Premium Data Provider"
-  [deviceType]="data.deviceType"
-  (closeButtonClicked)="onCancel()"
-/>
-
-<div class="text-center" mat-dialog-content>
-  <p class="gf-text-wrap-balance">
-    Early access to the official
-    <a
-      class="align-items-center d-inline-flex"
-      target="_blank"
-      [href]="data.pricingUrl"
-      >Ghostfolio Premium
-      <gf-premium-indicator class="d-inline-block ml-1" [enableLink]="false" />
-    </a>
-    data provider <strong>for self-hosters</strong>, offering
-    <strong>80’000+ tickers</strong> from over <strong>50 exchanges</strong>, is
-    ready now!
-  </p>
-  <div>
-    <a
-      color="primary"
-      href="mailto:hi@ghostfol.io?Subject=Ghostfolio Premium Data Provider&body=Hello%0D%0DI am interested in the Ghostfolio Premium data provider. Could you please give me early access so I can try it for some time?%0D%0DKind regards"
-      i18n
-      mat-flat-button
-      >Get Early Access</a
-    >
-    <div>
-      <small class="text-muted" i18n>or</small>
-    </div>
-    <button
-      color="accent"
-      i18n
-      mat-stroked-button
-      (click)="onSetGhostfolioApiKey()"
-    >
-      I have an API key
-    </button>
-  </div>
-</div>
-
-<gf-dialog-footer
-  mat-dialog-actions
-  [deviceType]="data.deviceType"
-  (closeButtonClicked)="onCancel()"
-/>
diff --git a/apps/client/src/app/components/admin-settings/ghostfolio-premium-api-dialog/ghostfolio-premium-api-dialog.scss b/apps/client/src/app/components/admin-settings/ghostfolio-premium-api-dialog/ghostfolio-premium-api-dialog.scss
deleted file mode 100644
index dc9093b45..000000000
--- a/apps/client/src/app/components/admin-settings/ghostfolio-premium-api-dialog/ghostfolio-premium-api-dialog.scss
+++ /dev/null
@@ -1,2 +0,0 @@
-:host {
-}
diff --git a/apps/client/src/app/components/admin-settings/ghostfolio-premium-api-dialog/interfaces/interfaces.ts b/apps/client/src/app/components/admin-settings/ghostfolio-premium-api-dialog/interfaces/interfaces.ts
deleted file mode 100644
index 0c629599e..000000000
--- a/apps/client/src/app/components/admin-settings/ghostfolio-premium-api-dialog/interfaces/interfaces.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-export interface GhostfolioPremiumApiDialogParams {
-  deviceType: string;
-  pricingUrl: string;
-}