fixed scrolling

client/src/app/chat-page.component.html

@@ -40,12 +40,12 @@
         </div>
       }
 
-      <div class="chat-header d-flex flex-column flex-lg-row justify-content-between align-items-start align-items-lg-center gap-3 mb-4">
-        <div>
-          <a class="back-link" routerLink="/">← Back to dashboard</a>
-          @if (currentUser(); as connectedUser) {
-            <h1 class="h3 mb-1 mt-2">{{ connectedUser.displayName }}</h1>
-            <div class="status-indicators mt-2">
+      <div class="chat-header mb-4">
+        @if (currentUser(); as connectedUser) {
+          <div class="chat-header-main">
+            <a class="back-link" routerLink="/" aria-label="Back to dashboard">←</a>
+            <h1 class="chat-header-title mb-0">{{ connectedUser.displayName }}</h1>
+            <div class="status-indicators">
               <div class="status-indicator">
                 <span class="status-led" [class.status-led-ok]="indicatorTone(session.signalingState()) === 'ok'" [class.status-led-connecting]="indicatorTone(session.signalingState()) === 'connecting'" [class.status-led-offline]="indicatorTone(session.signalingState()) === 'offline'"></span>
                 <span>Signaling</span>
@@ -62,11 +62,13 @@
                 <span>WebRTC</span>
               </button>
             </div>
-          } @else {
-            <h1 class="h3 mb-1 mt-2">Not signed in</h1>
-            <p class="small text-secondary mb-0">Return to the dashboard and sign in again.</p>
-          }
-        </div>
+          </div>
+        } @else {
+          <div class="chat-header-main">
+            <a class="back-link" routerLink="/" aria-label="Back to dashboard">←</a>
+            <h1 class="chat-header-title mb-0">Not signed in</h1>
+          </div>
+        }
       </div>
 
       <div class="chat-layout">
@@ -279,7 +281,7 @@
             <textarea
               #composerTextarea
               class="form-control composer-textarea"
-              rows="3"
+              rows="2"
               [(ngModel)]="messageText"
               (ngModelChange)="handleMessageTextChange($event)"
               (keydown.enter)="handleComposerEnter($event)"