feat: add icon button component and integrate into cart item for improved UI

src/app/shared/components/cart-item/cart-item.component.html

@@ -41,9 +41,11 @@
         (increase)="onIncrease()"
         (decrease)="onDecrease()"
       />
-      <button class="border-0 bg-transparent d-inline-flex align-items-center justify-content-center cart-item-remove-btn" type="button" (click)="onRemove()">
-        <i class="fa-solid fa-trash"></i>
-      </button>
+      <app-icon-button
+        variant="trash"
+        class="cart-item-remove-btn"
+        (click)="onRemove()"
+      />
     </div>
   </div>
 </article>

src/app/shared/components/cart-item/cart-item.component.scss

@@ -96,10 +96,5 @@
 
 
 .cart-item-remove-btn {
-  width: 18px;
-  height: 18px;
   margin-left: 0.35rem;
-  padding: 0;
-  color: #b3b3b3;
-  font-size: 12px;
 }

src/app/shared/components/cart-item/cart-item.component.ts

@@ -1,5 +1,6 @@
 import { ChangeDetectionStrategy, Component, computed, input, output } from '@angular/core';
 import { QuantitySelectorComponent } from '../quantity-selector/quantity-selector.component';
+import { IconButtonComponent } from '../icon-button/icon-button.component';
 
 export interface CartItemAttribute {
   label: string;
@@ -9,7 +10,7 @@ export interface CartItemAttribute {
 @Component({
   selector: 'app-cart-item',
   standalone: true,
-  imports: [QuantitySelectorComponent],
+  imports: [QuantitySelectorComponent, IconButtonComponent],
   templateUrl: './cart-item.component.html',
   styleUrl: './cart-item.component.scss',
   changeDetection: ChangeDetectionStrategy.OnPush

src/app/shared/components/icon-button/icon-button.component.html

@@ -0,0 +1,8 @@
+<button
+  type="button"
+  [disabled]="disabled()"
+  [ngClass]="buttonClasses()"
+  [attr.aria-label]="ariaLabel() || variant()"
+>
+  <i [ngClass]="iconClass()"></i>
+</button>

src/app/shared/components/icon-button/icon-button.component.scss

@@ -0,0 +1,64 @@
+:host {
+  display: inline-block;
+  vertical-align: middle;
+}
+
+.icon-btn {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  background: transparent;
+  border: none;
+  padding: 4px;
+  margin: 0;
+  color: #666666;
+  font-size: 20px;
+  cursor: pointer;
+  outline: none;
+  transition: color 0.15s ease-in-out, transform 0.1s ease-in-out;
+  border-radius: 4px;
+
+  i {
+    display: inline-block;
+    line-height: 1;
+  }
+
+  // Active state subtle scale down
+  &:active:not(:disabled) {
+    transform: scale(0.92);
+  }
+
+  // Focus ring for accessibility
+  &:focus-visible {
+    outline: 2px solid var(--tenant-primary);
+    outline-offset: 2px;
+  }
+
+  // Disabled state
+  &:disabled {
+    color: #A0A0A0;
+    cursor: not-allowed;
+    pointer-events: none;
+  }
+}
+
+// Hover/Active/Focus colors (non-disabled)
+.icon-btn:hover:not(:disabled),
+.icon-btn:focus-visible:not(:disabled),
+.icon-btn.hover-preview:not(:disabled),
+:host(.hover-preview) .icon-btn:not(:disabled) {
+  color: var(--tenant-primary);
+}
+
+// Trash is special (uses danger color for hover/active)
+.icon-btn--trash {
+  &:hover:not(:disabled),
+  &:focus-visible:not(:disabled),
+  &.hover-preview:not(:disabled) {
+    color: var(--tenant-danger);
+  }
+}
+
+:host(.hover-preview) .icon-btn--trash:not(:disabled) {
+  color: var(--tenant-danger);
+}

src/app/shared/components/icon-button/icon-button.component.ts

@@ -0,0 +1,41 @@
+import { ChangeDetectionStrategy, Component, computed, input } from '@angular/core';
+import { NgClass } from '@angular/common';
+
+export type IconButtonVariant =
+  | 'user'
+  | 'trash'
+  | 'angle-right'
+  | 'angle-left'
+  | 'angle-up'
+  | 'angle-down'
+  | 'copy';
+
+@Component({
+  selector: 'app-icon-button',
+  imports: [NgClass],
+  templateUrl: './icon-button.component.html',
+  styleUrl: './icon-button.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class IconButtonComponent {
+  readonly variant = input.required<IconButtonVariant>();
+  readonly disabled = input(false);
+  readonly ariaLabel = input<string>('');
+
+  protected readonly iconClass = computed(() => {
+    const classes: Record<IconButtonVariant, string> = {
+      user: 'fa-regular fa-circle-user',
+      trash: 'fa-solid fa-trash',
+      'angle-right': 'fa-solid fa-angle-right',
+      'angle-left': 'fa-solid fa-angle-left',
+      'angle-up': 'fa-solid fa-angle-up',
+      'angle-down': 'fa-solid fa-angle-down',
+      copy: 'fa-solid fa-copy'
+    };
+    return classes[this.variant()];
+  });
+
+  protected readonly buttonClasses = computed(() => {
+    return ['icon-btn', `icon-btn--${this.variant()}`];
+  });
+}