Add Navigation Menu Component

src/app/components/popup/popup.scss

@@ -37,7 +37,7 @@ $default_animation_duration: 0.2s;
   animation: popup-enter var(--animation-duration) $animation_timing;
 
   outline: light-dark(oklch(0 0 0 / 20%), oklch(1 0 0 / 20%)) 2px solid;
-  gap: 16px;
+  gap: 12px;
 
   &.variant-glass {
     background-color: light-dark(oklch(1 0 0 / 60%), oklch(0 0 0 / 60%));

src/app/features/header-menu/header-menu.scss

@@ -56,6 +56,7 @@
       cursor: pointer;
       display: flex;
       align-items: center;
+      border-radius: 4px;
 
       &.nav-link {
         font-weight: 700;

src/app/features/header-menu/header-menu.ts

@@ -2,17 +2,18 @@ import {
   afterNextRender,
   ChangeDetectionStrategy,
   Component,
+  effect,
   ElementRef,
   inject,
   NgZone,
   OnDestroy,
-  OnInit,
   signal,
   viewChild,
 } from '@angular/core';
 import { RouterLink } from '@angular/router';
 import { PopupService } from '../../services/popup.service';
 import { SettingsPopup } from '../settings/settings';
+import { NavigationMenu } from './navigation-menu';
 import { TranslationService } from '../../services/translation.service';
 import { SettingsService } from '../../services/settings.service';
 
@@ -57,6 +58,12 @@ export class HeaderMenu implements OnDestroy {
     private element: ElementRef,
     private ngZone: NgZone,
   ) {
+    effect(() => {
+      if (this.expandStage() > 0) {
+        this.popupService.close(NavigationMenu);
+      }
+    });
+
     afterNextRender(() => {
       this.ngZone.runOutsideAngular(() => {
         this.resizeObserver = new ResizeObserver((entries) => {
@@ -147,7 +154,9 @@ export class HeaderMenu implements OnDestroy {
   }
 
   onHamburgerClick(): void {
-
+    this.popupService.open(NavigationMenu, {
+      position: { top: '84px', right: '20px' },
+    });
   }
 
   onSettingsClick() {

src/app/features/header-menu/navigation-menu.html

@@ -0,0 +1,23 @@
+<app-popup [position]="position()" (closeRequest)="close()">
+  <div header-left class="menu-header-title">
+    <span class="material-symbols-outlined">menu</span>
+    <span>{{ translation.menu.menu }}</span>
+  </div>
+
+  <div class="menu-content">
+    <div class="menu-section">
+      <a class="menu-item nav-link" [routerLink]="['/levels']" (click)="close()">{{ translation.menu.levels }}</a>
+      <span class="menu-item dummy-link">{{ translation.menu.community }}</span>
+      <span class="menu-item dummy-link">{{ translation.menu.leaderboard }}</span>
+      <span class="menu-item dummy-link">{{ translation.menu.about }}</span>
+    </div>
+
+    <hr class="menu-divider" />
+
+    <div class="menu-section">
+      <a class="menu-item nav-link" [routerLink]="['/known-issues']" (click)="close()">{{ translation.menu.knownIssues }}</a>
+      <span class="menu-item dummy-link"><strong>{{ translation.menu.login }}</strong></span>
+      <span class="menu-item dummy-link">{{ translation.menu.signup }}</span>
+    </div>
+  </div>
+</app-popup>

src/app/features/header-menu/navigation-menu.scss

@@ -0,0 +1,73 @@
+:host {
+  display: block;
+  user-select: none;
+}
+
+.menu-header-title {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  font-size: 18px;
+
+  .material-symbols-outlined {
+    font-size: 24px;
+  }
+}
+
+.menu-content {
+  display: flex;
+  flex-direction: column;
+  min-width: 276px;
+  padding-bottom: 12px;
+  gap: 12px;
+}
+
+.menu-section {
+  display: flex;
+  flex-direction: column;
+}
+
+.menu-divider {
+  height: 1px;
+  border: none;
+  background-color: light-dark(oklch(0 0 0 / 20%), oklch(1 0 0 / 20%));
+  margin: 0 6px;
+}
+
+.menu-item {
+  display: flex;
+  align-items: center;
+  align-content: center;
+  height: 40px;
+  padding-left: 12px;
+  text-decoration: none;
+  color: inherit;
+  font-size: 18px;
+  cursor: pointer;
+  vertical-align: middle;
+  transition: background-color 0.2s;
+  border-radius: 4px;
+
+  .material-symbols-outlined {
+    font-size: 24px;
+    color: light-dark(oklch(0.4 0 0), oklch(0.8 0 0));
+  }
+
+  strong {
+    font-weight: 700;
+  }
+
+  &.nav-link {
+    font-weight: 700;
+    color: oklch(0.6 0.15 250);
+    transition: opacity 0.3s;
+
+    &:hover {
+      opacity: 0.7;
+    }
+  }
+
+  &.dummy-link {
+    cursor: not-allowed;
+  }
+}

src/app/features/header-menu/navigation-menu.ts

@@ -0,0 +1,26 @@
+import { Component, inject, input } from '@angular/core';
+import { RouterLink } from '@angular/router';
+import { PopupComponent, PopupPosition } from '../../components/popup/popup';
+import { PopupService } from '../../services/popup.service';
+import { TranslationService } from '../../services/translation.service';
+
+@Component({
+  selector: 'navigation-menu',
+  standalone: true,
+  imports: [PopupComponent, RouterLink],
+  templateUrl: './navigation-menu.html',
+  styleUrl: './navigation-menu.scss',
+})
+export class NavigationMenu {
+  private popupService = inject(PopupService);
+  protected translation = inject(TranslationService).translation;
+
+  /**
+   * 팝업의 위치
+   */
+  position = input<PopupPosition | 'center'>('center');
+
+  close() {
+    this.popupService.close(NavigationMenu);
+  }
+}

src/app/features/settings/settings.scss

@@ -23,6 +23,7 @@
   flex-direction: column;
   gap: 16px;
 
+  padding-top: 4px;
   padding-bottom: 12px;
 }