diff --git a/src/app.component.html b/src/app.component.html
index a540d1b..53b0b49 100644
--- a/src/app.component.html
+++ b/src/app.component.html
@@ -110,7 +110,7 @@
                 <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM5.5 21a6.5 6.5 0 0113 0" /></svg>
               </div>
               <div>
-                <span class="text-sm font-semibold tracking-wide text-obs-l-text-main dark:text-obs-d-text-main">{{ vaultName() }}</span>
+                <span class="text-sm font-semibold tracking-wide text-obs-l-text-main dark:text-obs-d-text-main">{{ vaultName() }} - ObsiViewer</span>
                 <div class="mt-1 flex items-center gap-2 text-xs uppercase text-obs-l-text-muted dark:text-obs-d-text-muted">
                   <span class="inline-flex items-center gap-1 rounded-full bg-obs-l-bg-main/70 px-2 py-0.5 text-[0.65rem] font-semibold tracking-widest text-obs-l-text-main/80 dark:bg-obs-d-bg-main/60 dark:text-obs-d-text-main/80">{{ activeView() | titlecase }}</span>
                   <span class="hidden text-[0.65rem] tracking-widest text-obs-l-text-muted/80 dark:text-obs-d-text-muted/70 sm:inline">Vue active</span>
@@ -365,83 +365,6 @@
     </div>
   
     <section class="flex min-w-0 flex-col bg-obs-l-bg-main pb-16 dark:bg-obs-d-bg-main lg:flex-1 lg:min-h-0 lg:overflow-hidden lg:pb-0">
-      <header class="flex flex-col gap-4 border-b border-obs-l-border/60 bg-obs-l-bg-main/95 px-4 py-3 backdrop-blur-xs dark:border-obs-d-border dark:bg-obs-d-bg-main/95 lg:px-6">
-        <div class="flex items-start justify-between gap-4">
-          <div class="flex items-center gap-3 min-w-0">
-            <button
-              class="rounded-lg p-2 text-obs-l-text-muted transition hover:bg-obs-l-bg-secondary dark:text-obs-d-text-muted dark:hover:bg-obs-d-bg-secondary lg:hidden"
-              (click)="toggleSidebar()"
-              [attr.aria-expanded]="isSidebarOpen()"
-              aria-label="Basculer le menu"
-            >
-              <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 6h16M4 12h16M4 18h16" /></svg>
-            </button>
-            <button
-              class="hidden rounded-lg p-2 text-obs-l-text-muted transition hover:bg-obs-l-bg-secondary dark:text-obs-d-text-muted dark:hover:bg-obs-d-bg-secondary lg:inline-flex"
-              (click)="toggleSidebar()"
-              [attr.aria-expanded]="isSidebarOpen()"
-              aria-label="Afficher ou masquer la barre latérale gauche"
-            >
-              @if (isSidebarOpen()) {
-                <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="h-5 w-5"><rect width="18" height="18" x="3" y="3" rx="2"/><path d="M9 3v18"/><path d="m16 15-3-3 3-3"/></svg>
-              } @else {
-                <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="h-5 w-5"><rect width="18" height="18" x="3" y="3" rx="2"/><path d="M9 3v18"/><path d="m14 9 3 3-3 3"/></svg>
-              }
-            </button>
-            <div class="min-w-0 flex flex-col gap-1">
-              <div class="flex items-center gap-2 min-w-0">
-                <span class="inline-flex items-center rounded-lg border border-obs-l-border bg-obs-l-bg-secondary/60 px-2.5 py-1 text-xs font-semibold uppercase tracking-wide text-obs-l-text-muted dark:border-obs-d-border dark:bg-obs-d-bg-secondary/60 dark:text-obs-d-text-muted">{{ vaultName() }}</span>
-                <h1 class="text-lg font-semibold leading-tight text-obs-l-text-main dark:text-obs-d-text-main">ObsiWatcher</h1>
-              </div>
-              @if (selectedNoteBreadcrumb().length > 0) {
-                <p class="truncate text-xs text-obs-l-text-muted dark:text-obs-d-text-muted">{{ selectedNoteBreadcrumb().join(' / ') }}</p>
-              } @else {
-                <p class="truncate text-xs text-obs-l-text-muted dark:text-obs-d-text-muted">Aucune note sélectionnée</p>
-              }
-            </div>
-          </div>
-          <div class="hidden items-center gap-2 lg:flex">
-            <button
-              (click)="toggleTheme()"
-              class="rounded-lg p-2 text-obs-l-text-muted transition hover:bg-obs-l-bg-secondary dark:text-obs-d-text-muted dark:hover:bg-obs-d-bg-secondary"
-              aria-label="Basculer le thème"
-            >
-              @if (isDarkMode()) {
-                <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 3v1m0 16v1m9-9h-1M4 12H3m15.364 6.364l-.707-.707M6.343 6.343l-.707-.707m12.728 0l-.707.707M6.343 17.657l-.707.707M16 12a4 4 0 11-8 0 4 4 0 018 0z" /></svg>
-              } @else {
-                <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M20.354 15.354A9 9 0 018.646 3.646 9.003 9.003 0 0012 21a9.003 9.003 0 008.354-5.646z" /></svg>
-              }
-            </button>
-          </div>
-        </div>
-        <div class="flex flex-col gap-3 lg:flex-row lg:items-center lg:justify-between lg:gap-6">
-          <div class="flex items-center gap-2 lg:hidden">
-            <button
-              (click)="toggleTheme()"
-              class="rounded-lg p-2 text-obs-l-text-muted transition hover:bg-obs-l-bg-secondary dark:text-obs-d-text-muted dark:hover:bg-obs-d-bg-secondary"
-              aria-label="Basculer le thème"
-            >
-              @if (isDarkMode()) {
-                <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 3v1m0 16v1m9-9h-1M4 12H3m15.364 6.364l-.707-.707M6.343 6.343l-.707-.707m12.728 0l-.707.707M6.343 17.657l-.707.707M16 12a4 4 0 11-8 0 4 4 0 018 0z" /></svg>
-              } @else {
-                <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M20.354 15.354A9 9 0 018.646 3.646 9.003 9.003 0 0012 21a9.003 9.003 0 008.354-5.646z" /></svg>
-              }
-            </button>
-          </div>
-          <div class="relative w-full lg:flex-1 lg:max-w-none lg:min-w-0">
-            <app-search-input-with-assistant
-              [value]="sidebarSearchTerm()"
-              (valueChange)="updateSearchTerm($event, true)"
-              (submit)="onSearchSubmit($event)"
-              [placeholder]="'Rechercher dans la voûte...'"
-              [context]="'vault-sidebar'"
-              [showSearchIcon]="true"
-              [showExamples]="false"
-              [inputClass]="'w-full rounded-full border border-border bg-bg-muted/70 py-2.5 pr-4 text-sm text-text-main placeholder:text-text-muted shadow-subtle focus:outline-none focus:ring-2 focus:ring-ring transition-all dark:border-gray-600 dark:bg-gray-800/80 dark:text-gray-100 dark:placeholder-gray-400 dark:focus:ring-blue-500'"
-            />
-          </div>
-        </div>
-      </header>
       <div class="min-h-0 px-4 py-6 note-content-area lg:flex-1 lg:overflow-y-auto lg:px-8">
         @if (selectedNote(); as note) {
           <app-note-viewer
diff --git a/src/app.component.ts b/src/app.component.ts
index 334dd5c..cf5fc8e 100644
--- a/src/app.component.ts
+++ b/src/app.component.ts
@@ -1170,11 +1170,18 @@ export class AppComponent implements OnInit, OnDestroy {
   scrollToHeading(id: string): void {
     const contentArea = (this.elementRef.nativeElement as HTMLElement).querySelector('.note-content-area');
     if (!contentArea) {
+      console.warn('scrollToHeading: .note-content-area not found');
       return;
     }
-    const element = contentArea.querySelector(`#${id}`);
+    // Try multiple selector strategies for robustness
+    let element = contentArea.querySelector(`#${CSS.escape(id)}`);
+    if (!element) {
+      element = contentArea.querySelector(`[id="${id}"]`);
+    }
     if (element) {
       element.scrollIntoView({ behavior: 'smooth', block: 'start' });
+    } else {
+      console.warn(`scrollToHeading: element with id "${id}" not found`);
     }
   }
 
diff --git a/src/app/features/bottom-nav/app-bottom-navigation.component.ts b/src/app/features/bottom-nav/app-bottom-navigation.component.ts
index 5400f5e..2b2f153 100644
--- a/src/app/features/bottom-nav/app-bottom-navigation.component.ts
+++ b/src/app/features/bottom-nav/app-bottom-navigation.component.ts
@@ -7,22 +7,38 @@ import { MobileNavService } from '../../shared/services/mobile-nav.service';
   standalone: true,
   imports: [CommonModule],
   template: `
-    <nav class="fixed bottom-0 left-0 right-0 bg-white dark:bg-gray-900 border-t border-gray-200 dark:border-gray-800 h-16 flex justify-around items-center z-50">
+    <nav class="fixed bottom-0 left-0 right-0 bg-white dark:bg-gray-900 border-t border-gray-200 dark:border-gray-800 h-16 flex justify-around items-center z-50 safe-area-inset-bottom">
       <button *ngFor="let tab of tabs"
               (click)="setActiveTab(tab.id)"
-              class="flex-1 flex flex-col items-center justify-center gap-1 text-xs py-2 px-1 text-gray-600 dark:text-gray-400 hover:bg-gray-50 dark:hover:bg-gray-800"
-              [class.text-nimbus-500]="mobileNav.activeTab() === tab.id">
-        <span class="text-lg">{{ tab.icon }}</span>
+              class="relative flex-1 flex flex-col items-center justify-center gap-1 text-xs py-2 px-1 text-gray-600 dark:text-gray-400 transition-all duration-200 active:scale-95 transform"
+              [class.text-nimbus-500]="mobileNav.activeTab() === tab.id"
+              [class.font-semibold]="mobileNav.activeTab() === tab.id">
+        <!-- Active indicator -->
+        <div 
+          class="absolute top-0 left-1/2 -translate-x-1/2 w-12 h-0.5 bg-nimbus-500 rounded-full transition-all duration-300"
+          [class.opacity-100]="mobileNav.activeTab() === tab.id"
+          [class.opacity-0]="mobileNav.activeTab() !== tab.id">
+        </div>
+        <span 
+          class="text-lg transition-transform duration-200"
+          [class.scale-110]="mobileNav.activeTab() === tab.id">
+          {{ tab.icon }}
+        </span>
         <span class="truncate">{{ tab.label }}</span>
       </button>
     </nav>
-  `
+  `,
+  styles: [`
+    .safe-area-inset-bottom {
+      padding-bottom: env(safe-area-inset-bottom);
+    }
+  `]
 })
 export class AppBottomNavigationComponent {
   mobileNav = inject(MobileNavService);
 
   tabs = [
-    { id: 'sidebar', icon: '📁', label: 'Dossiers' },
+    { id: 'sidebar', icon: '🏠', label: 'Maison' },
     { id: 'list', icon: '🔍', label: 'Liste' },
     { id: 'page', icon: '📄', label: 'Page' },
     { id: 'toc', icon: '📋', label: 'Sommaire' }
diff --git a/src/app/features/note-view/app-toc-overlay.component.ts b/src/app/features/note-view/app-toc-overlay.component.ts
index 8d28ce4..7aee24b 100644
--- a/src/app/features/note-view/app-toc-overlay.component.ts
+++ b/src/app/features/note-view/app-toc-overlay.component.ts
@@ -1,33 +1,93 @@
-import { Component, EventEmitter, Input, Output } from '@angular/core';
+import { Component, EventEmitter, OnInit, Output, ChangeDetectionStrategy, ChangeDetectorRef, Input } from '@angular/core';
 import { CommonModule } from '@angular/common';
+import { ScrollableOverlayDirective } from '../../shared/overlay-scrollbar/scrollable-overlay.directive';
 
 @Component({
   selector: 'app-toc-overlay',
   standalone: true,
-  imports: [CommonModule],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+  imports: [CommonModule, ScrollableOverlayDirective],
   template: `
-    <div class="fixed inset-0 z-50 bg-black/50" (click)="close.emit()"></div>
-    <div class="fixed inset-x-0 bottom-0 z-50 max-h-[70vh] rounded-t-2xl bg-white dark:bg-gray-900 shadow-2xl border-t border-gray-200 dark:border-gray-800">
-      <div class="p-4 flex items-center justify-between border-b border-gray-200 dark:border-gray-800">
-        <h2 class="text-base font-semibold">Sommaire</h2>
-        <button (click)="close.emit()" class="p-2 rounded hover:bg-gray-100 dark:hover:bg-gray-800">✕</button>
+    <!-- Backdrop -->
+    <div
+      class="fixed inset-0 z-[80] bg-black/50 transition-opacity duration-300"
+      [class.opacity-0]="!isVisible"
+      [class.opacity-100]="isVisible"
+      [style.pointer-events]="isVisible ? 'auto' : 'none'"
+      (pointerdown)="onBackdropPointerDown($event)"
+      aria-hidden="true">
+    </div>
+
+    <!-- Bottom sheet -->
+    <div
+      class="fixed inset-x-0 bottom-0 z-[81] max-h-[85vh] rounded-t-2xl bg-white dark:bg-slate-900 shadow-2xl
+             transition-transform duration-300 ease-out
+             sm:left-auto sm:right-4 sm:bottom-4 sm:top-auto sm:w-[420px] sm:rounded-2xl sm:max-h-[80vh]"
+      [class.translate-y-full]="!isVisible"
+      [class.translate-y-0]="isVisible"
+      [style.pointer-events]="isVisible ? 'auto' : 'none'"
+      role="dialog"
+      aria-modal="true"
+      (click)="$event.stopPropagation()">
+
+      <div class="flex items-center justify-center py-3 sm:py-2">
+        <div class="h-1.5 w-12 rounded-full bg-slate-300 dark:bg-slate-700"></div>
       </div>
-      <div class="p-3 overflow-y-auto">
-        <ul class="space-y-1 text-sm text-gray-700 dark:text-gray-300">
-          <li *ngFor="let h of headings">
-            <a (click)="onGo(h.id)" class="block px-2 py-1 rounded hover:bg-gray-50 dark:hover:bg-gray-800 cursor-pointer" [style.paddingLeft.rem]="(h.level - 1) * 0.75">{{ h.text }}</a>
+
+      <div class="px-4 pb-4 overflow-y-auto max-h-[75vh] sm:max-h-[70vh]" appScrollableOverlay>
+        <h2 class="sr-only">Sommaire</h2>
+        <ul class="space-y-1 text-sm text-slate-800 dark:text-slate-200">
+          <li *ngFor="let h of headings; let i = index">
+            <button
+              type="button"
+              (click)="onGo(h.id)"
+              class="w-full text-left block px-3 py-2 rounded-lg hover:bg-slate-100 dark:hover:bg-slate-800 transition active:scale-[0.98]"
+              [style.paddingLeft.rem]="(h.level - 1) * 0.75 + 0.75"
+              [attr.data-index]="i">
+              <span class="text-slate-400 dark:text-slate-500 mr-2 text-xs">{{ getLevelIndicator(h.level) }}</span>
+              <span>{{ h.text }}</span>
+            </button>
           </li>
         </ul>
       </div>
     </div>
-  `
+  `,
 })
-export class AppTocOverlayComponent {
+export class AppTocOverlayComponent implements OnInit {
   @Input() headings: Array<{ level: number; text: string; id: string }> = [];
   @Output() go = new EventEmitter<string>();
   @Output() close = new EventEmitter<void>();
 
-  onGo(id: string) {
+  isVisible = false;
+  private ignoreBackdropUntil = 0;
+
+  constructor(private cdr: ChangeDetectorRef) {}
+
+  ngOnInit(): void {
+    const now = typeof performance !== 'undefined' ? performance.now() : Date.now();
+    this.ignoreBackdropUntil = now + 500; // couvre les devices + lents
+
+    // Déclenche l’animation d’entrée puis force le rafraîchissement (OnPush)
+    setTimeout(() => {
+      this.isVisible = true;
+      this.cdr.markForCheck();
+    }, 0);
+  }
+
+  onBackdropPointerDown(ev: PointerEvent): void {
+    const now = typeof performance !== 'undefined' ? performance.now() : Date.now();
+    if (now < this.ignoreBackdropUntil) {
+      ev.stopPropagation(); // ignore le premier tap fantôme
+      return;
+    }
+    this.close.emit();
+  }
+
+  onGo(id: string): void {
     this.go.emit(id);
   }
+
+  getLevelIndicator(level: number): string {
+    return '•'.repeat(Math.min(level, 3));
+  }
 }
diff --git a/src/app/features/sidebar/app-sidebar-drawer.component.ts b/src/app/features/sidebar/app-sidebar-drawer.component.ts
index ba3e164..440373f 100644
--- a/src/app/features/sidebar/app-sidebar-drawer.component.ts
+++ b/src/app/features/sidebar/app-sidebar-drawer.component.ts
@@ -2,33 +2,132 @@ import { Component, EventEmitter, Input, Output, inject } from '@angular/core';
 import { CommonModule } from '@angular/common';
 import { MobileNavService } from '../../shared/services/mobile-nav.service';
 import { FileExplorerComponent } from '../../../components/file-explorer/file-explorer.component';
-import type { VaultNode } from '../../../types';
+import { QuickLinksComponent } from '../quick-links/quick-links.component';
+import { ScrollableOverlayDirective } from '../../shared/overlay-scrollbar/scrollable-overlay.directive';
+import type { VaultNode, TagInfo } from '../../../types';
+import { environment } from '../../../environments/environment';
 
 @Component({
   selector: 'app-sidebar-drawer',
   standalone: true,
-  imports: [CommonModule, FileExplorerComponent],
+  imports: [CommonModule, FileExplorerComponent, QuickLinksComponent, ScrollableOverlayDirective],
   template: `
-    <aside class="fixed left-0 top-0 bottom-0 w-80 max-w-[80vw] bg-white dark:bg-gray-900 shadow-lg z-40 transform transition-transform duration-300 ease-in-out"
-           [class.-translate-x-full]="!mobileNav.sidebarOpen()">
-      <div class="flex items-center justify-between p-4 border-b border-gray-200 dark:border-gray-800">
-        <h2 class="text-lg font-semibold">Navigation</h2>
-        <button (click)="mobileNav.toggleSidebar()" class="p-2 rounded hover:bg-gray-100 dark:hover:bg-gray-800">✕</button>
+    <aside class="fixed left-0 top-0 bottom-0 w-80 max-w-[80vw] bg-white dark:bg-gray-900 shadow-2xl z-40 transform transition-all duration-300 ease-out flex flex-col"
+           [class.-translate-x-full]="!mobileNav.sidebarOpen()"
+           [class.translate-x-0]="mobileNav.sidebarOpen()">
+      <!-- Header -->
+      <div class="flex items-center justify-between p-4 border-b border-gray-200 dark:border-gray-800 bg-gradient-to-r from-nimbus-50 to-transparent dark:from-nimbus-900/20">
+        <h2 class="text-lg font-semibold truncate">{{ vaultName || 'ObsiViewer' }}</h2>
+        <button 
+          (click)="mobileNav.toggleSidebar()" 
+          class="p-2 rounded-full hover:bg-gray-100 dark:hover:bg-gray-800 transition-all active:scale-95 transform flex-shrink-0">
+          ✕
+        </button>
       </div>
-      <div class="flex-1 overflow-y-auto p-2">
-        <app-file-explorer [nodes]="nodes" [selectedNoteId]="selectedNoteId" [foldersOnly]="true" (folderSelected)="onFolder($event)" (fileSelected)="onSelect($event)"></app-file-explorer>
+
+      <!-- Scrollable Content -->
+      <div class="flex-1 overflow-y-auto min-h-0" appScrollableOverlay>
+        <!-- Section Tests (dev-only) -->
+        <section *ngIf="env.features.showTestSection" class="border-b border-gray-200 dark:border-gray-800">
+          <button class="w-full flex items-center justify-between px-4 py-3 text-sm font-semibold hover:bg-gray-100 dark:hover:bg-gray-800 active:bg-gray-200 dark:active:bg-gray-700 transition-colors"
+                  (click)="open.tests = !open.tests">
+            <span>Section Tests</span>
+            <span class="text-xs text-gray-500 transition-transform duration-200" [class.rotate-90]="!open.tests">{{ open.tests ? '▾' : '▸' }}</span>
+          </button>
+          <div *ngIf="open.tests" class="px-3 py-2">
+            <button
+               (click)="onMarkdownPlaygroundClick()"
+               class="w-full text-left block text-sm px-3 py-2 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-800 active:bg-gray-200 dark:active:bg-gray-700 text-gray-700 dark:text-gray-300 hover:text-gray-900 dark:hover:text-gray-100 transition-all active:scale-[0.98] transform">
+              🧪 Markdown Playground
+            </button>
+          </div>
+        </section>
+
+        <!-- Quick Links accordion -->
+        <section class="border-b border-gray-200 dark:border-gray-800">
+          <button class="w-full flex items-center justify-between px-4 py-3 text-sm font-semibold hover:bg-gray-100 dark:hover:bg-gray-800 active:bg-gray-200 dark:active:bg-gray-700 transition-colors"
+                  (click)="open.quick = !open.quick">
+            <span>Quick Links</span>
+            <span class="text-xs text-gray-500 transition-transform duration-200" [class.rotate-90]="!open.quick">{{ open.quick ? '▾' : '▸' }}</span>
+          </button>
+          <div *ngIf="open.quick" class="pt-1">
+            <app-quick-links (quickLinkSelected)="onQuickLink($event)"></app-quick-links>
+          </div>
+        </section>
+
+        <!-- Folders accordion -->
+        <section class="border-b border-gray-200 dark:border-gray-800">
+          <button class="w-full flex items-center justify-between px-4 py-3 text-sm font-semibold hover:bg-gray-100 dark:hover:bg-gray-800 active:bg-gray-200 dark:active:bg-gray-700 transition-colors"
+                  (click)="open.folders = !open.folders">
+            <span>Folders</span>
+            <span class="text-xs text-gray-500 transition-transform duration-200" [class.rotate-90]="!open.folders">{{ open.folders ? '▾' : '▸' }}</span>
+          </button>
+          <div *ngIf="open.folders" class="px-1 py-1">
+            <app-file-explorer [nodes]="nodes" [selectedNoteId]="selectedNoteId" [foldersOnly]="true" (folderSelected)="onFolder($event)" (fileSelected)="onSelect($event)"></app-file-explorer>
+          </div>
+        </section>
+
+        <!-- Tags accordion -->
+        <section class="border-b border-gray-200 dark:border-gray-800">
+          <button class="w-full flex items-center justify-between px-4 py-3 text-sm font-semibold hover:bg-gray-100 dark:hover:bg-gray-800 active:bg-gray-200 dark:active:bg-gray-700 transition-colors"
+                  (click)="open.tags = !open.tags">
+            <span>Tags</span>
+            <span class="text-xs text-gray-500 transition-transform duration-200" [class.rotate-90]="!open.tags">{{ open.tags ? '▾' : '▸' }}</span>
+          </button>
+          <div *ngIf="open.tags" class="px-2 py-2">
+            <ul class="space-y-1 text-sm">
+              <li *ngFor="let t of tags" class="flex items-center gap-2">
+                <button (click)="onTagSelected(t.name)" class="flex-1 text-left px-3 py-2 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-800 active:bg-gray-200 dark:active:bg-gray-700 transition-all active:scale-[0.98] transform truncate">
+                  <span>🏷️</span>
+                  <span class="ml-1">{{ t.name }}</span>
+                </button>
+                <span class="text-xs text-gray-500 font-medium min-w-[2rem] text-right">{{ t.count }}</span>
+              </li>
+            </ul>
+          </div>
+        </section>
+
+        <!-- Trash accordion -->
+        <section class="border-b border-gray-200 dark:border-gray-800">
+          <button class="w-full flex items-center justify-between px-4 py-3 text-sm font-semibold hover:bg-gray-100 dark:hover:bg-gray-800 active:bg-gray-200 dark:active:bg-gray-700 transition-colors"
+                  (click)="open.trash = !open.trash">
+            <span>Trash</span>
+            <span class="text-xs text-gray-500 transition-transform duration-200" [class.rotate-90]="!open.trash">{{ open.trash ? '▾' : '▸' }}</span>
+          </button>
+          <div *ngIf="open.trash" class="px-3 py-3 text-sm text-gray-500 dark:text-gray-400">Empty</div>
+        </section>
+      </div>
+
+      <!-- Footer -->
+      <div class="h-14 border-t border-gray-200 dark:border-gray-800 flex items-center justify-between px-4 text-xs text-gray-500 bg-gray-50 dark:bg-gray-900/50">
+        <span>ObsiViewer</span>
+        <span class="text-[10px] opacity-60">v1.0</span>
       </div>
     </aside>
-    <div *ngIf="mobileNav.sidebarOpen()" (click)="mobileNav.toggleSidebar()" class="fixed inset-0 bg-black/50 z-30"></div>
+    <div 
+      *ngIf="mobileNav.sidebarOpen()" 
+      (click)="mobileNav.toggleSidebar()" 
+      class="fixed inset-0 bg-black/50 z-30 transition-opacity duration-300 backdrop-blur-sm"
+      [class.opacity-0]="!mobileNav.sidebarOpen()"
+      [class.opacity-100]="mobileNav.sidebarOpen()">
+    </div>
   `
 })
 export class AppSidebarDrawerComponent {
   mobileNav = inject(MobileNavService);
+  env = environment;
 
   @Input() nodes: VaultNode[] = [];
   @Input() selectedNoteId: string | null = null;
+  @Input() vaultName = '';
+  @Input() tags: TagInfo[] = [];
   @Output() noteSelected = new EventEmitter<string>();
   @Output() folderSelected = new EventEmitter<string>();
+  @Output() tagSelected = new EventEmitter<string>();
+  @Output() quickLinkSelected = new EventEmitter<string>();
+  @Output() markdownPlaygroundSelected = new EventEmitter<void>();
+
+  open = { quick: true, folders: true, tags: false, trash: false, tests: true };
 
   onSelect(id: string) {
     this.noteSelected.emit(id);
@@ -40,4 +139,19 @@ export class AppSidebarDrawerComponent {
       this.folderSelected.emit(path);
     }
   }
+
+  onQuickLink(id: string) {
+    this.quickLinkSelected.emit(id);
+    this.mobileNav.sidebarOpen.set(false);
+  }
+
+  onTagSelected(tagName: string) {
+    this.tagSelected.emit(tagName);
+    this.mobileNav.sidebarOpen.set(false);
+  }
+
+  onMarkdownPlaygroundClick(): void {
+    this.markdownPlaygroundSelected.emit();
+    this.mobileNav.sidebarOpen.set(false);
+  }
 }
diff --git a/src/app/features/sidebar/nimbus-sidebar.component.ts b/src/app/features/sidebar/nimbus-sidebar.component.ts
index dd05e03..befa5fc 100644
--- a/src/app/features/sidebar/nimbus-sidebar.component.ts
+++ b/src/app/features/sidebar/nimbus-sidebar.component.ts
@@ -16,7 +16,7 @@ import { environment } from '../../../environments/environment';
     <div class="h-full flex flex-col overflow-hidden select-none">
       <!-- Header -->
       <div class="h-12 flex items-center justify-between px-3 border-b border-gray-200 dark:border-gray-800">
-        <div class="text-sm font-semibold truncate">{{ vaultName }}</div>
+        <div class="text-sm font-semibold truncate">{{ vaultName }} - ObsiViewer</div>
         <button (click)="toggleSidebarRequest.emit()" class="p-2 rounded hover:bg-gray-100 dark:hover:bg-gray-800" title="Hide Sidebar">⟨⟨</button>
       </div>
 
diff --git a/src/app/layout/app-shell-nimbus/app-shell-nimbus.component.ts b/src/app/layout/app-shell-nimbus/app-shell-nimbus.component.ts
index 730b9db..a39dd82 100644
--- a/src/app/layout/app-shell-nimbus/app-shell-nimbus.component.ts
+++ b/src/app/layout/app-shell-nimbus/app-shell-nimbus.component.ts
@@ -23,25 +23,6 @@ import { MarkdownPlaygroundComponent } from '../../features/tests/markdown-playg
   imports: [CommonModule, FileExplorerComponent, NoteViewerComponent, AppBottomNavigationComponent, AppSidebarDrawerComponent, AppTocOverlayComponent, SwipeNavDirective, NotesListComponent, NimbusSidebarComponent, QuickLinksComponent, ScrollableOverlayDirective, MarkdownPlaygroundComponent],
   template: `
     <div class="relative h-screen flex flex-col bg-white dark:bg-gray-900 text-gray-900 dark:text-gray-100">
-      <!-- Header (desktop/tablet), compact on mobile) -->
-      <header *ngIf="!noteFullScreen" class="flex items-center justify-between px-4 border-b border-gray-200 dark:border-gray-800 bg-white/90 dark:bg-gray-900/90 backdrop-blur-sm" [class.h-14]="responsive.isDesktop() || responsive.isTablet()" [class.h-12]="responsive.isMobile()">
-        <div class="flex items-center gap-2 min-w-0">
-          <button *ngIf="responsive.isMobile()" (click)="mobileNav.toggleSidebar()" class="p-2 rounded hover:bg-gray-100 dark:hover:bg-gray-800">☰</button>
-          <span class="inline-flex items-center rounded-lg border border-gray-200 dark:border-gray-700 bg-gray-50 dark:bg-gray-800 px-2.5 py-1 text-xs font-semibold uppercase tracking-wide text-gray-600 dark:text-gray-300 truncate">{{ vaultName }}</span>
-          <h1 class="hidden sm:block text-base font-semibold truncate">ObsiViewer · Nimbus</h1>
-        </div>
-        <div class="flex items-center gap-2">
-          <button class="hidden lg:inline-flex p-2 rounded hover:bg-gray-100 dark:hover:bg-gray-800" (click)="toggleSidebarRequest.emit()" [attr.aria-expanded]="isSidebarOpen" title="Basculer la barre latérale gauche">
-            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect width="18" height="18" x="3" y="3" rx="2"/><path d="M9 3v18"/><path d="m16 15-3-3 3-3"/></svg>
-          </button>
-          <button class="hidden xl:inline-flex p-2 rounded hover:bg-gray-100 dark:hover:bg-gray-800" (click)="toggleOutlineRequest.emit()" [attr.aria-expanded]="isOutlineOpen" title="Basculer la barre latérale droite">
-            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect width="18" height="18" x="3" y="3" rx="2"/><path d="M15 3v18"/><path d="m10 15-3-3 3-3"/></svg>
-          </button>
-          <button (click)="ui.toggleUIMode()" class="px-2 py-1 rounded text-xs font-semibold border border-gray-300 dark:border-gray-700 hover:bg-gray-50 dark:hover:bg-gray-800">
-            {{ ui.isNimbusMode() ? '🔧 Legacy' : '✨ Nimbus' }}
-          </button>
-        </div>
-      </header>
 
       <!-- Fullscreen overlay for note -->
       <div *ngIf="noteFullScreen && selectedNote && activeView !== 'markdown-playground'" class="absolute inset-0 z-50 flex flex-col bg-white dark:bg-gray-900">
@@ -182,7 +163,7 @@ import { MarkdownPlaygroundComponent } from '../../features/tests/markdown-playg
           <div [hidden]="mobileNav.activeTab() !== 'list'" class="h-full overflow-y-auto" appScrollableOverlay>
             <app-notes-list [notes]="vault.allNotes()" [folderFilter]="folderFilter" [tagFilter]="tagFilter" [query]="listQuery" (queryChange)="listQuery=$event" (openNote)="onOpenNote($event)"></app-notes-list>
           </div>
-          <div [hidden]="mobileNav.activeTab() !== 'page'" class="h-full overflow-y-auto px-3 py-4" appScrollableOverlay>
+          <div [hidden]="mobileNav.activeTab() !== 'page'" class="note-content-area h-full overflow-y-auto px-3 py-4" appScrollableOverlay>
             <app-note-viewer [note]="selectedNote || null" [noteHtmlContent]="renderedNoteContent" [allNotes]="vault.allNotes()" (noteLinkClicked)="noteSelected.emit($event)" (tagClicked)="tagClicked.emit($event)" (wikiLinkActivated)="wikiLinkActivated.emit($event)" [fullScreenActive]="noteFullScreen" (fullScreenRequested)="toggleNoteFullScreen()" (legacyRequested)="ui.toggleUIMode()" (showToc)="mobileNav.toggleToc()" (directoryClicked)="onFolderSelected($event)" [tocOpen]="mobileNav.tocOpen()"></app-note-viewer>
           </div>
         </div>
@@ -190,29 +171,48 @@ import { MarkdownPlaygroundComponent } from '../../features/tests/markdown-playg
 
       <!-- Mobile: bottom nav + drawer + swipe -->
       <div *ngIf="responsive.isMobile() && !noteFullScreen" class="flex-1 relative overflow-hidden" appSwipeNav (swipeLeft)="nextTab()" (swipeRight)="prevTab()">
-        <app-sidebar-drawer [nodes]="effectiveFileTree" [selectedNoteId]="selectedNoteId" (noteSelected)="onNoteSelectedMobile($event)" (folderSelected)="onFolderSelectedFromDrawer($event)"></app-sidebar-drawer>
+        <app-sidebar-drawer 
+          [nodes]="effectiveFileTree" 
+          [selectedNoteId]="selectedNoteId" 
+          [vaultName]="vaultName"
+          [tags]="tags"
+          (noteSelected)="onNoteSelectedMobile($event)" 
+          (folderSelected)="onFolderSelectedFromDrawer($event)"
+          (tagSelected)="onTagSelected($event)"
+          (quickLinkSelected)="onQuickLink($event)"
+          (markdownPlaygroundSelected)="onMarkdownPlaygroundSelected()"
+        ></app-sidebar-drawer>
 
         @if (mobileNav.activeTab() === 'list') {
-          <div class="h-full flex flex-col overflow-hidden">
+          <div class="h-full flex flex-col overflow-hidden animate-fadeIn">
             <app-notes-list class="flex-1" [notes]="vault.allNotes()" [folderFilter]="folderFilter" [tagFilter]="tagFilter" [query]="listQuery" (queryChange)="listQuery=$event" (openNote)="onNoteSelectedMobile($event)"></app-notes-list>
           </div>
         }
 
         @if (mobileNav.activeTab() === 'page') {
-          <div class="h-full overflow-y-auto px-3 py-3" appScrollableOverlay>
-            <div class="flex items-center justify-between mb-2">
+          <div class="note-content-area h-full px-3 py-3 animate-fadeIn" style="overflow-y: auto !important;" appScrollableOverlay>
+            <div class="flex items-center justify-between mb-3 sticky top-0 bg-white dark:bg-gray-900 py-2 -mt-2 z-10">
               <h2 class="text-base font-semibold truncate">{{ selectedNote?.title || 'Aucune page' }}</h2>
-              <button *ngIf="tableOfContents.length > 0" (click)="mobileNav.toggleToc()" class="p-2 rounded hover:bg-gray-100 dark:hover-bg-gray-800">📋</button>
+              <button
+                *ngIf="tableOfContents.length > 0"
+                (pointerdown)="$event.stopPropagation(); mobileNav.toggleToc()"
+                (click)="$event.preventDefault()"
+                class="p-2 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-800 active:bg-gray-200 dark:active:bg-gray-700 transition-all active:scale-95 transform flex-shrink-0">
+                📋
+              </button>
             </div>
             @if (selectedNote) {
               <app-note-viewer [note]="selectedNote || null" [noteHtmlContent]="renderedNoteContent" [allNotes]="vault.allNotes()" (noteLinkClicked)="noteSelected.emit($event)" (tagClicked)="tagClicked.emit($event)" (wikiLinkActivated)="wikiLinkActivated.emit($event)" (fullScreenRequested)="toggleNoteFullScreen()"></app-note-viewer>
             } @else {
-              <div class="mt-10 text-center text-sm text-gray-500 dark:text-gray-400">Aucune page sélectionnée pour le moment.</div>
+              <div class="mt-10 text-center text-sm text-gray-500 dark:text-gray-400">
+                <div class="text-4xl mb-3">📄</div>
+                <p>Aucune page sélectionnée pour le moment.</p>
+              </div>
             }
           </div>
         }
 
-        <app-toc-overlay *ngIf="mobileNav.tocOpen()" [headings]="tableOfContents" (go)="navigateHeading.emit($event); mobileNav.toggleToc()" (close)="mobileNav.toggleToc()"></app-toc-overlay>
+        <app-toc-overlay *ngIf="mobileNav.tocOpen()" [headings]="tableOfContents" (go)="onTocNavigate($event)" (close)="mobileNav.toggleToc()"></app-toc-overlay>
 
         <app-bottom-navigation></app-bottom-navigation>
       </div>
@@ -360,4 +360,19 @@ export class AppShellNimbusLayoutComponent {
   onMarkdownPlaygroundSelected(): void {
     this.markdownPlaygroundSelected.emit();
   }
+
+  onTocNavigate(headingId: string): void {
+    // Ensure the page view is visible so the scroll container exists
+    this.mobileNav.setActiveTab('page');
+    
+    // Close the TOC overlay immediately
+    if (this.mobileNav.tocOpen()) {
+      this.mobileNav.toggleToc();
+    }
+    
+    // Wait for DOM to update before scrolling
+    setTimeout(() => {
+      this.navigateHeading.emit(headingId);
+    }, 100);
+  }
 }
diff --git a/src/app/shared/services/mobile-nav.service.ts b/src/app/shared/services/mobile-nav.service.ts
index d715a7c..794bb56 100644
--- a/src/app/shared/services/mobile-nav.service.ts
+++ b/src/app/shared/services/mobile-nav.service.ts
@@ -13,7 +13,7 @@ export class MobileNavService {
     try {
       const t = localStorage.getItem('obsiviewer-mobile-tab');
       if (t === 'sidebar' || t === 'list' || t === 'page' || t === 'toc') {
-        this.activeTab.set(t);
+        this.setActiveTab(t);
       }
     } catch {}
 
@@ -43,6 +43,15 @@ export class MobileNavService {
   }
 
   toggleToc() {
-    this.tocOpen.update(v => !v);
+    const opening = !this.tocOpen();
+
+    if (opening) {
+      this.tocOpen.set(true);
+      this.sidebarOpen.set(false);
+      // Keep current activeTab (typically 'page') so content remains visible behind overlay
+    } else {
+      this.tocOpen.set(false);
+      // Do not force switch back to 'page'; preserve user's current tab
+    }
   }
 }
diff --git a/src/styles.css b/src/styles.css
index c5561eb..1cd033b 100644
--- a/src/styles.css
+++ b/src/styles.css
@@ -494,3 +494,21 @@ excalidraw-editor .excalidraw .layer-ui__wrapper {
     color: var(--text-main);
   }
 }
+
+@layer utilities {
+  /* Mobile animations */
+  @keyframes fadeIn {
+    from {
+      opacity: 0;
+      transform: translateY(8px);
+    }
+    to {
+      opacity: 1;
+      transform: translateY(0);
+    }
+  }
+
+  .animate-fadeIn {
+    animation: fadeIn 0.3s ease-out forwards;
+  }
+}