diff --git a/src/app/shared/ui/color-picker/color-picker.component.html b/src/app/shared/ui/color-picker/color-picker.component.html
new file mode 100644
index 0000000..def8a71
--- /dev/null
+++ b/src/app/shared/ui/color-picker/color-picker.component.html
@@ -0,0 +1,22 @@
+<div class="app-color-picker">
+  <input
+    type="color"
+    class="app-color-picker-swatch"
+    [value]="value"
+    [disabled]="isDisabled || disabled()"
+    [attr.aria-label]="ariaLabel()"
+    (input)="handleSwatchChange($event)"
+  />
+  <input
+    type="text"
+    class="app-color-picker-text"
+    [class.app-color-picker-text--invalid]="invalid"
+    [value]="textValue"
+    [disabled]="isDisabled || disabled()"
+    [attr.id]="formField?.fieldId ?? null"
+    [attr.aria-invalid]="invalid || null"
+    [attr.aria-describedby]="formField?.describedBy() ?? null"
+    (input)="handleTextChange($event)"
+    (blur)="handleBlur()"
+  />
+</div>
diff --git a/src/app/shared/ui/color-picker/color-picker.component.scss b/src/app/shared/ui/color-picker/color-picker.component.scss
new file mode 100644
index 0000000..be73ac7
--- /dev/null
+++ b/src/app/shared/ui/color-picker/color-picker.component.scss
@@ -0,0 +1,59 @@
+:host {
+  display: block;
+}
+
+.app-color-picker {
+  display: flex;
+  gap: 8px;
+  align-items: center;
+}
+
+.app-color-picker-swatch {
+  flex: 0 0 44px;
+  height: 40px;
+  padding: 4px;
+  border: 1px solid var(--border-color, #e4e4e7);
+  border-radius: var(--radius-md, 6px);
+  background: var(--bg-primary, #fff);
+  cursor: pointer;
+
+  &:disabled {
+    cursor: not-allowed;
+    opacity: 0.6;
+  }
+}
+
+.app-color-picker-text {
+  flex: 1;
+  height: 40px;
+  padding: 0 var(--space-md, 1rem);
+  border: 1px solid var(--border-color, #e4e4e7);
+  border-radius: var(--radius-md, 6px);
+  background: var(--bg-primary, #fff);
+  color: var(--text-primary, #1f322d);
+  font-family: inherit;
+  font-size: 0.9375rem;
+  transition: border-color var(--transition-fast, 120ms ease),
+    box-shadow var(--transition-fast, 120ms ease);
+
+  &:focus-visible {
+    outline: none;
+    border-color: var(--primary-color, #2f6e5d);
+    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary-color, #2f6e5d) 25%, transparent);
+  }
+
+  &:disabled {
+    cursor: not-allowed;
+    opacity: 0.6;
+  }
+}
+
+.app-color-picker-text--invalid {
+  border-color: var(--error-color, #c0392b);
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .app-color-picker-text {
+    transition: none;
+  }
+}
diff --git a/src/app/shared/ui/color-picker/color-picker.component.ts b/src/app/shared/ui/color-picker/color-picker.component.ts
new file mode 100644
index 0000000..ae9920c
--- /dev/null
+++ b/src/app/shared/ui/color-picker/color-picker.component.ts
@@ -0,0 +1,74 @@
+import { ChangeDetectionStrategy, Component, forwardRef, inject, input } from '@angular/core';
+import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';
+import { FormFieldContext } from '../form-field/form-field.component';
+
+const HEX_COLOR = /^#([0-9a-f]{3}|[0-9a-f]{6})$/i;
+
+@Component({
+  selector: 'app-color-picker',
+  standalone: true,
+  templateUrl: './color-picker.component.html',
+  styleUrl: './color-picker.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+  providers: [
+    {
+      provide: NG_VALUE_ACCESSOR,
+      useExisting: forwardRef(() => ColorPickerComponent),
+      multi: true
+    }
+  ]
+})
+export class ColorPickerComponent implements ControlValueAccessor {
+  protected readonly formField = inject(FormFieldContext, { optional: true });
+
+  readonly disabled = input(false);
+  readonly ariaLabel = input<string | null>(null);
+
+  protected value = '#000000';
+  protected textValue = '#000000';
+  protected isDisabled = false;
+  protected invalid = false;
+
+  private onChange: (value: string) => void = () => {};
+  private onTouched: () => void = () => {};
+
+  writeValue(value: string): void {
+    this.value = HEX_COLOR.test(value ?? '') ? value : '#000000';
+    this.textValue = value ?? '';
+    this.invalid = !HEX_COLOR.test(this.textValue);
+  }
+
+  registerOnChange(fn: (value: string) => void): void {
+    this.onChange = fn;
+  }
+
+  registerOnTouched(fn: () => void): void {
+    this.onTouched = fn;
+  }
+
+  setDisabledState(isDisabled: boolean): void {
+    this.isDisabled = isDisabled;
+  }
+
+  protected handleSwatchChange(event: Event): void {
+    const target = event.target as HTMLInputElement;
+    this.value = target.value;
+    this.textValue = target.value;
+    this.invalid = false;
+    this.onChange(this.value);
+  }
+
+  protected handleTextChange(event: Event): void {
+    const target = event.target as HTMLInputElement;
+    this.textValue = target.value;
+    this.invalid = !HEX_COLOR.test(this.textValue);
+    if (!this.invalid) {
+      this.value = this.textValue;
+      this.onChange(this.value);
+    }
+  }
+
+  protected handleBlur(): void {
+    this.onTouched();
+  }
+}
diff --git a/src/app/shared/ui/key-value-editor/key-value-editor.component.html b/src/app/shared/ui/key-value-editor/key-value-editor.component.html
new file mode 100644
index 0000000..aae721a
--- /dev/null
+++ b/src/app/shared/ui/key-value-editor/key-value-editor.component.html
@@ -0,0 +1,11 @@
+<div class="app-key-value-editor">
+  @for (row of rows(); track $index) {
+    <div class="app-key-value-editor-row">
+      <div class="app-key-value-editor-row-content">
+        <ng-container [ngTemplateOutlet]="rowTemplate" [ngTemplateOutletContext]="{ $implicit: row, index: $index }" />
+      </div>
+      <app-button variant="danger" size="sm" (click)="removeRow($index)">{{ removeLabel() }}</app-button>
+    </div>
+  }
+  <app-button variant="secondary" size="sm" (click)="addRow()">{{ addLabel() }}</app-button>
+</div>
diff --git a/src/app/shared/ui/key-value-editor/key-value-editor.component.scss b/src/app/shared/ui/key-value-editor/key-value-editor.component.scss
new file mode 100644
index 0000000..7f5bcc6
--- /dev/null
+++ b/src/app/shared/ui/key-value-editor/key-value-editor.component.scss
@@ -0,0 +1,24 @@
+:host {
+  display: block;
+}
+
+.app-key-value-editor {
+  display: grid;
+  gap: 10px;
+}
+
+.app-key-value-editor-row {
+  display: flex;
+  gap: 8px;
+  align-items: flex-start;
+  border: 1px solid var(--border-color, #d3dad9);
+  border-radius: 12px;
+  padding: 12px;
+  background: var(--bg-secondary, #fbfcfc);
+}
+
+.app-key-value-editor-row-content {
+  flex: 1;
+  display: grid;
+  gap: 8px;
+}
diff --git a/src/app/shared/ui/key-value-editor/key-value-editor.component.ts b/src/app/shared/ui/key-value-editor/key-value-editor.component.ts
new file mode 100644
index 0000000..aef0e26
--- /dev/null
+++ b/src/app/shared/ui/key-value-editor/key-value-editor.component.ts
@@ -0,0 +1,35 @@
+import { ChangeDetectionStrategy, Component, ContentChild, TemplateRef, input, output } from '@angular/core';
+import { NgTemplateOutlet } from '@angular/common';
+import { ButtonComponent } from '../button/button.component';
+
+export interface KeyValueRowContext<T> {
+  $implicit: T;
+  index: number;
+}
+
+@Component({
+  selector: 'app-key-value-editor',
+  standalone: true,
+  imports: [NgTemplateOutlet, ButtonComponent],
+  templateUrl: './key-value-editor.component.html',
+  styleUrl: './key-value-editor.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class KeyValueEditorComponent<T> {
+  readonly rows = input.required<T[]>();
+  readonly addLabel = input('Add');
+  readonly removeLabel = input('Remove');
+  readonly createRow = input.required<() => T>();
+
+  readonly rowsChange = output<T[]>();
+
+  @ContentChild(TemplateRef) rowTemplate: TemplateRef<KeyValueRowContext<T>> | null = null;
+
+  protected addRow(): void {
+    this.rowsChange.emit([...this.rows(), this.createRow()()]);
+  }
+
+  protected removeRow(index: number): void {
+    this.rowsChange.emit(this.rows().filter((_, i) => i !== index));
+  }
+}
diff --git a/src/app/shared/ui/locale-tabs/locale-tabs.component.html b/src/app/shared/ui/locale-tabs/locale-tabs.component.html
new file mode 100644
index 0000000..190ba77
--- /dev/null
+++ b/src/app/shared/ui/locale-tabs/locale-tabs.component.html
@@ -0,0 +1,14 @@
+<div class="app-locale-tabs" role="tablist">
+  @for (locale of locales(); track locale) {
+    <button
+      type="button"
+      role="tab"
+      class="app-locale-tab"
+      [class.app-locale-tab--active]="currentLocale() === locale"
+      [attr.aria-selected]="currentLocale() === locale"
+      (click)="select(locale)"
+    >
+      {{ locale }}
+    </button>
+  }
+</div>
diff --git a/src/app/shared/ui/locale-tabs/locale-tabs.component.scss b/src/app/shared/ui/locale-tabs/locale-tabs.component.scss
new file mode 100644
index 0000000..2fd9289
--- /dev/null
+++ b/src/app/shared/ui/locale-tabs/locale-tabs.component.scss
@@ -0,0 +1,43 @@
+:host {
+  display: block;
+}
+
+.app-locale-tabs {
+  display: flex;
+  gap: 4px;
+  border-bottom: 1px solid var(--border-color, #d3dad9);
+}
+
+.app-locale-tab {
+  padding: 8px 16px;
+  border: none;
+  border-bottom: 2px solid transparent;
+  background: transparent;
+  color: var(--text-secondary, #5f6e6a);
+  font-weight: 600;
+  font-size: 0.875rem;
+  text-transform: uppercase;
+  cursor: pointer;
+  transition: color var(--transition-fast, 120ms ease),
+    border-color var(--transition-fast, 120ms ease);
+
+  &:hover {
+    color: var(--text-primary, #1e3c38);
+  }
+
+  &:focus-visible {
+    outline: none;
+    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary-color, #2f6e5d) 25%, transparent);
+  }
+}
+
+.app-locale-tab--active {
+  color: var(--primary-color, #2f6e5d);
+  border-bottom-color: var(--primary-color, #2f6e5d);
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .app-locale-tab {
+    transition: none;
+  }
+}
diff --git a/src/app/shared/ui/locale-tabs/locale-tabs.component.ts b/src/app/shared/ui/locale-tabs/locale-tabs.component.ts
new file mode 100644
index 0000000..3fa7592
--- /dev/null
+++ b/src/app/shared/ui/locale-tabs/locale-tabs.component.ts
@@ -0,0 +1,27 @@
+import { ChangeDetectionStrategy, Component, input, output, signal } from '@angular/core';
+
+@Component({
+  selector: 'app-locale-tabs',
+  standalone: true,
+  templateUrl: './locale-tabs.component.html',
+  styleUrl: './locale-tabs.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class LocaleTabsComponent {
+  readonly locales = input.required<string[]>();
+  readonly defaultLocale = input<string | null>(null);
+  readonly activeLocale = output<string>();
+
+  private readonly selected = signal<string | null>(null);
+
+  protected currentLocale(): string {
+    const explicit = this.selected();
+    if (explicit && this.locales().includes(explicit)) return explicit;
+    return this.defaultLocale() ?? this.locales()[0] ?? '';
+  }
+
+  protected select(locale: string): void {
+    this.selected.set(locale);
+    this.activeLocale.emit(locale);
+  }
+}
diff --git a/src/app/shared/ui/section-card/section-card.component.html b/src/app/shared/ui/section-card/section-card.component.html
new file mode 100644
index 0000000..fd0b086
--- /dev/null
+++ b/src/app/shared/ui/section-card/section-card.component.html
@@ -0,0 +1,14 @@
+<section class="app-section-card">
+  @if (title(); as title) {
+    <header class="app-section-card-header">
+      <h2>{{ title }}</h2>
+      @if (description(); as description) {
+        <p class="app-section-card-description">{{ description }}</p>
+      }
+      <ng-content select="[sectionActions]" />
+    </header>
+  }
+  <div class="app-section-card-body">
+    <ng-content />
+  </div>
+</section>
diff --git a/src/app/shared/ui/section-card/section-card.component.scss b/src/app/shared/ui/section-card/section-card.component.scss
new file mode 100644
index 0000000..ff5cd93
--- /dev/null
+++ b/src/app/shared/ui/section-card/section-card.component.scss
@@ -0,0 +1,34 @@
+:host {
+  display: block;
+}
+
+.app-section-card {
+  background: var(--bg-primary, #fff);
+  border: 1px solid var(--border-color, #d3dad9);
+  border-radius: 16px;
+  padding: 18px;
+  display: grid;
+  gap: 14px;
+}
+
+.app-section-card-header {
+  display: grid;
+  gap: 4px;
+}
+
+.app-section-card-header h2 {
+  margin: 0;
+  font-size: 1.125rem;
+  color: var(--text-primary, #1e3c38);
+}
+
+.app-section-card-description {
+  margin: 0;
+  font-size: 0.875rem;
+  color: var(--text-secondary, #5f6e6a);
+}
+
+.app-section-card-body {
+  display: grid;
+  gap: 14px;
+}
diff --git a/src/app/shared/ui/section-card/section-card.component.ts b/src/app/shared/ui/section-card/section-card.component.ts
new file mode 100644
index 0000000..311f676
--- /dev/null
+++ b/src/app/shared/ui/section-card/section-card.component.ts
@@ -0,0 +1,13 @@
+import { ChangeDetectionStrategy, Component, input } from '@angular/core';
+
+@Component({
+  selector: 'app-section-card',
+  standalone: true,
+  templateUrl: './section-card.component.html',
+  styleUrl: './section-card.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class SectionCardComponent {
+  readonly title = input<string | null>(null);
+  readonly description = input<string | null>(null);
+}
diff --git a/src/app/shared/ui/select/select.component.html b/src/app/shared/ui/select/select.component.html
new file mode 100644
index 0000000..c87e1b0
--- /dev/null
+++ b/src/app/shared/ui/select/select.component.html
@@ -0,0 +1,20 @@
+<select
+  class="app-select"
+  [class.app-select--sm]="size() === 'sm'"
+  [class.app-select--md]="size() === 'md'"
+  [class.app-select--lg]="size() === 'lg'"
+  [disabled]="isDisabled || disabled()"
+  [attr.id]="formField?.fieldId ?? null"
+  [attr.aria-label]="ariaLabel()"
+  [attr.aria-describedby]="formField?.describedBy() ?? null"
+  [value]="value"
+  (change)="handleChange($event)"
+  (blur)="handleBlur()"
+>
+  @for (option of options(); track option.value) {
+    <option [value]="option.value" [title]="option.description ?? ''">{{ option.label }}</option>
+  }
+</select>
+@if (activeDescription(); as description) {
+  <small class="app-select-description">{{ description }}</small>
+}
diff --git a/src/app/shared/ui/select/select.component.scss b/src/app/shared/ui/select/select.component.scss
new file mode 100644
index 0000000..451d9c2
--- /dev/null
+++ b/src/app/shared/ui/select/select.component.scss
@@ -0,0 +1,68 @@
+:host {
+  display: inline-block;
+}
+
+:host.app-select-host--full-width {
+  display: block;
+  width: 100%;
+}
+
+.app-select {
+  width: 100%;
+  border: 1px solid var(--border-color, #e4e4e7);
+  border-radius: var(--radius-md, 6px);
+  background: var(--bg-primary, #fff);
+  color: var(--text-primary, #1f322d);
+  font-family: inherit;
+  cursor: pointer;
+  transition: border-color var(--transition-fast, 120ms ease),
+    box-shadow var(--transition-fast, 120ms ease);
+
+  &:hover:not(:disabled) {
+    border-color: var(--primary-color, #2f6e5d);
+  }
+
+  &:focus-visible {
+    outline: none;
+    border-color: var(--primary-color, #2f6e5d);
+    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary-color, #2f6e5d) 25%, transparent);
+  }
+
+  &:disabled {
+    cursor: not-allowed;
+    opacity: 0.6;
+  }
+}
+
+.app-select--sm {
+  height: 32px;
+  padding: 0 var(--space-sm, 0.5rem);
+  font-size: 0.8125rem;
+}
+
+.app-select--md {
+  height: 40px;
+  padding: 0 var(--space-md, 1rem);
+  font-size: 0.9375rem;
+}
+
+.app-select--lg {
+  height: 48px;
+  padding: 0 var(--space-lg, 1.5rem);
+  font-size: 1rem;
+}
+
+.app-select-description {
+  display: block;
+  font-weight: 400;
+  font-size: 12px;
+  line-height: 1.4;
+  color: var(--text-secondary, #6b7280);
+  margin-top: 4px;
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .app-select {
+    transition: none;
+  }
+}
diff --git a/src/app/shared/ui/select/select.component.ts b/src/app/shared/ui/select/select.component.ts
new file mode 100644
index 0000000..672bff0
--- /dev/null
+++ b/src/app/shared/ui/select/select.component.ts
@@ -0,0 +1,74 @@
+import { ChangeDetectionStrategy, Component, forwardRef, inject, input } from '@angular/core';
+import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';
+import { FormFieldContext } from '../form-field/form-field.component';
+
+export type SelectSize = 'sm' | 'md' | 'lg';
+
+export interface SelectOption {
+  value: string;
+  label: string;
+  description?: string;
+}
+
+@Component({
+  selector: 'app-select',
+  standalone: true,
+  templateUrl: './select.component.html',
+  styleUrl: './select.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+  providers: [
+    {
+      provide: NG_VALUE_ACCESSOR,
+      useExisting: forwardRef(() => SelectComponent),
+      multi: true
+    }
+  ],
+  host: {
+    '[class.app-select-host--full-width]': 'fullWidth()'
+  }
+})
+export class SelectComponent implements ControlValueAccessor {
+  protected readonly formField = inject(FormFieldContext, { optional: true });
+
+  readonly options = input.required<SelectOption[]>();
+  readonly size = input<SelectSize>('md');
+  readonly disabled = input(false);
+  readonly fullWidth = input(true);
+  readonly ariaLabel = input<string | null>(null);
+
+  protected value = '';
+  protected isDisabled = false;
+
+  private onChange: (value: string) => void = () => {};
+  private onTouched: () => void = () => {};
+
+  writeValue(value: string): void {
+    this.value = value ?? '';
+  }
+
+  registerOnChange(fn: (value: string) => void): void {
+    this.onChange = fn;
+  }
+
+  registerOnTouched(fn: () => void): void {
+    this.onTouched = fn;
+  }
+
+  setDisabledState(isDisabled: boolean): void {
+    this.isDisabled = isDisabled;
+  }
+
+  protected handleChange(event: Event): void {
+    const target = event.target as HTMLSelectElement;
+    this.value = target.value;
+    this.onChange(this.value);
+  }
+
+  protected handleBlur(): void {
+    this.onTouched();
+  }
+
+  protected activeDescription(): string | null {
+    return this.options().find(option => option.value === this.value)?.description ?? null;
+  }
+}
diff --git a/src/app/shared/ui/toggle/toggle.component.html b/src/app/shared/ui/toggle/toggle.component.html
new file mode 100644
index 0000000..d9c67a4
--- /dev/null
+++ b/src/app/shared/ui/toggle/toggle.component.html
@@ -0,0 +1,15 @@
+<button
+  type="button"
+  class="app-toggle"
+  [class.app-toggle--sm]="size() === 'sm'"
+  [class.app-toggle--md]="size() === 'md'"
+  [class.app-toggle--checked]="checked"
+  role="switch"
+  [attr.aria-checked]="checked"
+  [attr.aria-label]="ariaLabel()"
+  [disabled]="isDisabled || disabled()"
+  (click)="handleClick()"
+  (keydown)="handleKeydown($event)"
+>
+  <span class="app-toggle-thumb"></span>
+</button>
diff --git a/src/app/shared/ui/toggle/toggle.component.scss b/src/app/shared/ui/toggle/toggle.component.scss
new file mode 100644
index 0000000..77042b3
--- /dev/null
+++ b/src/app/shared/ui/toggle/toggle.component.scss
@@ -0,0 +1,72 @@
+:host {
+  display: inline-block;
+}
+
+.app-toggle {
+  position: relative;
+  width: 42px;
+  height: 24px;
+  border-radius: 999px;
+  border: 1px solid var(--border-color, #d3dad9);
+  background: var(--bg-secondary, #e4e4e7);
+  cursor: pointer;
+  padding: 0;
+  transition: background-color var(--transition-fast, 120ms ease),
+    border-color var(--transition-fast, 120ms ease);
+
+  &:hover:not(:disabled) {
+    border-color: var(--primary-color, #2f6e5d);
+  }
+
+  &:focus-visible {
+    outline: none;
+    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary-color, #2f6e5d) 25%, transparent);
+  }
+
+  &:disabled {
+    cursor: not-allowed;
+    opacity: 0.6;
+  }
+}
+
+.app-toggle--sm {
+  width: 34px;
+  height: 20px;
+}
+
+.app-toggle-thumb {
+  position: absolute;
+  top: 2px;
+  left: 2px;
+  width: 18px;
+  height: 18px;
+  border-radius: 50%;
+  background: #fff;
+  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
+  transition: transform var(--transition-fast, 120ms ease);
+}
+
+.app-toggle--sm .app-toggle-thumb {
+  width: 14px;
+  height: 14px;
+}
+
+.app-toggle--checked {
+  background: var(--primary-color, #2f6e5d);
+  border-color: var(--primary-color, #2f6e5d);
+}
+
+.app-toggle--checked .app-toggle-thumb {
+  transform: translateX(18px);
+}
+
+.app-toggle--sm.app-toggle--checked .app-toggle-thumb {
+  transform: translateX(14px);
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .app-toggle,
+  .app-toggle-thumb {
+    transition: none;
+  }
+}
diff --git a/src/app/shared/ui/toggle/toggle.component.ts b/src/app/shared/ui/toggle/toggle.component.ts
new file mode 100644
index 0000000..a626852
--- /dev/null
+++ b/src/app/shared/ui/toggle/toggle.component.ts
@@ -0,0 +1,60 @@
+import { ChangeDetectionStrategy, Component, forwardRef, input } from '@angular/core';
+import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';
+
+export type ToggleSize = 'sm' | 'md';
+
+@Component({
+  selector: 'app-toggle',
+  standalone: true,
+  templateUrl: './toggle.component.html',
+  styleUrl: './toggle.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+  providers: [
+    {
+      provide: NG_VALUE_ACCESSOR,
+      useExisting: forwardRef(() => ToggleComponent),
+      multi: true
+    }
+  ]
+})
+export class ToggleComponent implements ControlValueAccessor {
+  readonly size = input<ToggleSize>('md');
+  readonly disabled = input(false);
+  readonly ariaLabel = input<string | null>(null);
+
+  protected checked = false;
+  protected isDisabled = false;
+
+  private onChange: (value: boolean) => void = () => {};
+  private onTouched: () => void = () => {};
+
+  writeValue(value: boolean): void {
+    this.checked = !!value;
+  }
+
+  registerOnChange(fn: (value: boolean) => void): void {
+    this.onChange = fn;
+  }
+
+  registerOnTouched(fn: () => void): void {
+    this.onTouched = fn;
+  }
+
+  setDisabledState(isDisabled: boolean): void {
+    this.isDisabled = isDisabled;
+  }
+
+  protected handleClick(): void {
+    if (this.isDisabled || this.disabled()) return;
+    this.checked = !this.checked;
+    this.onChange(this.checked);
+    this.onTouched();
+  }
+
+  protected handleKeydown(event: KeyboardEvent): void {
+    if (event.key === ' ' || event.key === 'Enter') {
+      event.preventDefault();
+      this.handleClick();
+    }
+  }
+}