Consistent use of red X only for deletion, and using only it for deletion rather than trashbin, while using non-red X for window close button.

frontend/src/components/CredentialList.vue

@@ -40,9 +40,9 @@
               @click="$emit('delete', credential)"
               class="btn-card-delete"
               :disabled="credential.is_current_session"
-              :title="credential.is_current_session ? 'Cannot delete current session credential' : 'Delete passkey'"
+              :title="credential.is_current_session ? 'Cannot delete current session credential' : 'Delete passkey and terminate any linked sessions.'"
               tabindex="-1"
-            >🗑️</button>
+            >❌</button>
           </div>
         </div>
         <div class="item-details">

frontend/src/components/RegistrationLinkModal.vue

@@ -5,7 +5,7 @@
         <h2 id="regTitle" class="reg-title">
           📱 <span v-if="userName">Registration for {{ userName }}</span><span v-else>Add Another Device</span>
         </h2>
-        <button class="icon-btn" @click="$emit('close')" aria-label="Close">❌</button>
+        <button class="icon-btn" @click="$emit('close')" aria-label="Close">✕</button>
       </div>
 
       <div class="device-link-section">

frontend/src/components/SessionList.vue

@@ -41,7 +41,7 @@
                       :disabled="isTerminating(session.id)"
                       :title="isTerminating(session.id) ? 'Terminating...' : 'Terminate session'"
                       tabindex="-1"
-                    >🗑️</button>
+                    >❌</button>
                   </div>
                 </div>
                 <div class="item-details">