feat(menu-lecteur): refonte UI/UX professionnelle du menu FAB

- FAB : pastille verre depoli 40px + icone sliders (standard options)
- Panneau : en-tete (titre + fermer), verre depoli, ombre profonde, coins arrondis
- Animations ouverture/fermeture (fondu + slide + scale), fermeture Echap + clic exterieur
- Items : hover/active/focus, icones teintees, sections + separateurs raffinés
- Playlist : modale rendue HORS du panneau (backdrop-filter piegeait position:fixed)

src/app/shared/components/player-menu/player-menu.component.ts

@@ -4,11 +4,11 @@ import { CommonModule } from '@angular/common';
 /**
  * Bouton-menu flottant (FAB) partagé entre /watch et /shorts.
  *
- * Pastille circulaire translucide en haut à gauche du lecteur, façon
- * commandes overlay des players YouTube/Dailymotion : elle ouvre un panneau
- * déroulant qui reçoit son contenu par projection (`ng-content`) — chaque page
- * fournit ses propres options, la coque (position, style, open/close, clic
- * extérieur) est identique partout.
+ * Pastille circulaire translucide en haut à gauche du lecteur (façon commandes
+ * overlay des players YouTube/Dailymotion) qui ouvre un panneau déroulant en
+ * « verre dépoli » avec en-tête (titre + fermeture) et contenu projeté via
+ * `ng-content`. Animation d'ouverture/fermeture fluide (fondu + glissement +
+ * échelle), fermeture au clic extérieur et à Échap.
  *
  * Usage : `<app-player-menu [(open)]="menuOpen"> …items… </app-player-menu>`
  * dans un conteneur `position: relative` (le `:host` se place en absolu).
@@ -22,20 +22,29 @@ import { CommonModule } from '@angular/common';
     <button type="button"
             (click)="toggle(); $event.stopPropagation()"
             [attr.aria-expanded]="open"
-            aria-haspopup="menu"
-            aria-label="Menu"
-            title="Menu"
-            class="flex h-9 w-9 items-center justify-center rounded-full bg-black/50 text-white ring-1 ring-white/15 backdrop-blur-md transition hover:bg-black/70 focus:outline-none focus-visible:ring-2 focus-visible:ring-white/40">
-      <svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" aria-hidden="true">
-        <path d="M4 6h16M4 12h16M4 18h16"/>
+            aria-haspopup="dialog"
+            [attr.aria-label]="title"
+            [title]="title"
+            class="pm-fab" [class.pm-fab-open]="open">
+      <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
+        <line x1="21" x2="14" y1="4" y2="4"/><line x1="10" x2="3" y1="4" y2="4"/>
+        <line x1="21" x2="12" y1="12" y2="12"/><line x1="8" x2="3" y1="12" y2="12"/>
+        <line x1="21" x2="16" y1="20" y2="20"/><line x1="12" x2="3" y1="20" y2="20"/>
+        <line x1="14" x2="14" y1="2" y2="6"/><line x1="8" x2="8" y1="10" y2="14"/><line x1="16" x2="16" y1="18" y2="22"/>
       </svg>
     </button>
-    @if (open) {
-      <div class="absolute left-0 top-11 max-h-[70vh] w-64 overflow-y-auto overscroll-contain rounded-xl bg-black/70 p-1.5 shadow-2xl ring-1 ring-white/10 backdrop-blur-xl"
-           role="menu" (click)="$event.stopPropagation()">
+
+    <div class="pm-panel" [class.pm-panel-open]="open" role="dialog" [attr.aria-label]="title" (click)="$event.stopPropagation()">
+      <div class="pm-panel-header">
+        <span class="pm-panel-title">{{ title }}</span>
+        <button type="button" class="pm-panel-close" (click)="close()" aria-label="Fermer">
+          <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" aria-hidden="true"><path d="M18 6L6 18M6 6l12 12"/></svg>
+        </button>
+      </div>
+      <div class="pm-panel-body">
         <ng-content></ng-content>
       </div>
-    }
+    </div>
   `,
   styles: [
     `:host { position: absolute; top: 0.5rem; left: 0.5rem; z-index: 30; display: block; }`,
@@ -43,6 +52,7 @@ import { CommonModule } from '@angular/common';
 })
 export class PlayerMenuComponent {
   @Input() open = false;
+  @Input() title = 'Options';
   @Output() openChange = new EventEmitter<boolean>();
 
   constructor(private el: ElementRef<HTMLElement>) {}
@@ -62,4 +72,9 @@ export class PlayerMenuComponent {
     if (target && this.el.nativeElement.contains(target)) return;
     this.close();
   }
+
+  @HostListener('document:keydown.escape')
+  onEscape(): void {
+    this.close();
+  }
 }

src/components/shared/components/add-to-playlist/add-to-playlist.component.ts

@@ -15,6 +15,7 @@ import { forkJoin } from 'rxjs';
   <div [class]="menuItem ? 'relative w-full text-left' : 'relative inline-block text-left'" (click)="$event.stopPropagation();">
     <button (click)="toggleOpen($event)"
             [disabled]="!isAuthenticated()"
+            [style.display]="triggerHidden ? 'none' : ''"
             [class]="menuItem ? 'pm-item' : 'flex items-center space-x-2 bg-slate-700 hover:bg-slate-600 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-red-500/60 disabled:opacity-60 disabled:cursor-not-allowed px-4 py-2 rounded-full transition text-slate-200 font-semibold'"
             [attr.aria-expanded]="open()"
             [attr.aria-haspopup]="true"
@@ -121,6 +122,8 @@ export class AddToPlaylistComponent implements OnInit, OnDestroy {
   @Input() thumbnail?: string;
   /** Rendu « élément de menu » (menu FAB du lecteur) : plein largeur, icon + label. */
   @Input() menuItem = false;
+  /** Masque le bouton déclencheur (déclenchement externe via `open()`). */
+  @Input() triggerHidden = false;
 
   open = signal<boolean>(false);
   loading = signal<boolean>(false);
@@ -155,6 +158,15 @@ export class AddToPlaylistComponent implements OnInit, OnDestroy {
     this.selected.set(new Set());
   }
 
+  /** Ouvre la boîte de dialogue (déclenchement externe, ex. menu FAB). */
+  openDialog(): void {
+    if (!this.isAuthenticated()) return;
+    this.open.set(true);
+    if (this.playlists().length === 0 && !this.loading()) {
+      this.reloadPlaylists();
+    }
+  }
+
   reloadPlaylists(): void {
     this.loading.set(true);
     this.error.set(null);

src/components/watch/watch.component.html

@@ -47,7 +47,13 @@
               @if (likeError(); as lerr) {
                 <div class="px-3 py-1.5 text-[11px] text-red-300">{{ lerr }}</div>
               }
-              <app-add-to-playlist [provider]="provider()" [videoId]="v.videoId" [title]="v.title" [thumbnail]="v.thumbnail" [menuItem]="true"></app-add-to-playlist>
+              <button type="button" (click)="openPlaylist()" class="pm-item">
+                <svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4" viewBox="0 0 24 24" fill="currentColor" aria-hidden="true">
+                  <path d="M4 6a2 2 0 012-2h12a1 1 0 010 2H6v10a1 1 0 11-2 0V6z" />
+                  <path d="M14 11a1 1 0 011-1h5a1 1 0 110 2h-5a1 1 0 01-1-1zM14 15a1 1 0 011-1h5a1 1 0 110 2h-5a1 1 0 01-1-1zM10 11a1 1 0 112 0v1h1a1 1 0 110 2h-1v1a1 1 0 11-2 0v-1H9a1 1 0 110-2h1v-1z" />
+                </svg>
+                <span class="pm-item-label">Ajouter à une playlist</span>
+              </button>
             }
 
             <button type="button" (click)="toggleTranscript(); closeMenu()" class="pm-item" [attr.aria-expanded]="transcriptOpen()">
@@ -104,6 +110,11 @@
           </div>
         </section>
 
+        <!-- Boîte de dialogue playlist : rendue HORS du menu FAB (le panneau a un
+             `backdrop-filter` qui créerait un bloc de positionnement pour la modale
+             `position: fixed`). Déclencheur masqué, ouvert via openPlaylist(). -->
+        <app-add-to-playlist #addToPlaylist [provider]="provider()" [videoId]="v.videoId" [title]="v.title" [thumbnail]="v.thumbnail" [triggerHidden]="true"></app-add-to-playlist>
+
         @if (loading()) {
           <!-- Squelette des métadonnées pendant /details (le player joue déjà) -->
           <div class="mt-4 animate-pulse space-y-3" aria-hidden="true">

src/components/watch/watch.component.ts

@@ -54,6 +54,7 @@ export class WatchComponent implements OnDestroy, AfterViewInit {
   private subs = inject(SubscriptionsService);
   private routeSubscription!: Subscription;
   @ViewChild('embedFrame', { static: false }) embedFrame?: ElementRef<HTMLIFrameElement>;
+  @ViewChild('addToPlaylist', { static: false }) addToPlaylist?: AddToPlaylistComponent;
   private attachTryCount = 0;
 
   // --- Chaîne / abonnement ---
@@ -167,6 +168,12 @@ export class WatchComponent implements OnDestroy, AfterViewInit {
   closeMenu(): void {
     this.menuOpen.set(false);
   }
+
+  /** Ouvre la boîte de dialogue playlist (composant rendu hors du menu FAB). */
+  openPlaylist(): void {
+    this.closeMenu();
+    this.addToPlaylist?.openDialog();
+  }
   // Prefer full description if available; otherwise fallback to shortDescription
   descriptionText = computed(() => {
     const v = this.video();