feat(layout config): reduce gear button size (#2002)

src/app/@theme/components/toggle-settings-button/toggle-settings-button.component.scss

 @import '../../styles/themes';
 @import '~bootstrap/scss/mixins/breakpoints';
 @import '~@nebular/theme/styles/global/breakpoints';
+@import '~@nebular/bootstrap/styles/hero-buttons';
 
 @include nb-install-component() {
   .toggle-settings {
     position: fixed;
     top: 50%;
-    height: 8.575rem;
-    width: 8.575rem;
+    height: 3rem;
+    width: 3rem;
+    padding: 0;
+    text-align: center;
     border: none;
     transition: transform 0.3s ease, background-image 0.3s ease;
     transform: translate(0, -50%);
@@ -55,11 +58,7 @@
 
     @include nb-for-theme(cosmic) {
       box-shadow: 0 0 3.4285rem 0 rgba(19, 19, 94, 0.72);
-      background-image: linear-gradient(to right, #a054fe 0%, #7a58ff 100%);
-
-      &.expanded {
-        background-image: linear-gradient(to right, #2f296b 0%, #2f296b 100%);
-      }
+      @include btn-hero-success-gradient();
     }
 
     @include nb-for-theme(default) {
@@ -76,8 +75,10 @@
     }
 
     i {
-      font-size: 6rem;
+      font-size: 2.75rem;
       color: #ffffff;
+      display: block;
+
 
       @include nb-for-theme(default) {
         color: nb-theme(color-danger);
@@ -87,6 +88,26 @@
         color: nb-theme(color-warning);
       }
     }
+
+    &:not(.wasExpanded) i {
+      animation-name: gear-pulse;
+      animation-duration: 1s;
+      animation-iteration-count: infinite;
+    }
+
+    @keyframes gear-pulse {
+      from {
+        transform: scale3d(1, 1, 1);
+      }
+
+      50% {
+        transform: scale3d(1.2, 1.2, 1.2);
+      }
+
+      to {
+        transform: scale3d(1, 1, 1);
+      }
+    }
   }
 
   @include media-breakpoint-down(sm) {

src/app/@theme/components/toggle-settings-button/toggle-settings-button.component.ts

@@ -9,7 +9,9 @@ import { StateService } from '../../../@core/utils';
     <button class="toggle-settings"
             (click)="toggleSettings()"
             [class.expanded]="expanded"
-            [class.sidebarEnd]="sidebarEnd">
+            [class.sidebarEnd]="sidebarEnd"
+            [class.wasExpanded]="wasExpanded"
+    >
       <i class="nb-gear"></i>
     </button>
   `,
@@ -18,6 +20,7 @@ export class ToggleSettingsButtonComponent {
 
   sidebarEnd = false;
   expanded = false;
+  wasExpanded = false;
 
   constructor(private sidebarService: NbSidebarService, protected stateService: StateService) {
     this.stateService.onSidebarState()
@@ -29,5 +32,6 @@ export class ToggleSettingsButtonComponent {
   toggleSettings() {
     this.sidebarService.toggle(false, 'settings-sidebar');
     this.expanded = !this.expanded;
+    this.wasExpanded = true;
   }
 }