Fix black background issue on Board and Member portal pages

- Added board-dashboard class wrapper to Board pages (Governance, Meetings, Members)
- Added member-dashboard class wrapper to Member pages (Events, Profile, Resources)
- All pages now properly display the light gradient background matching admin dashboard

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

pages/board/governance/index.vue

@@ -1,4 +1,5 @@
 <template>
+  <div class="board-dashboard">
     <v-container fluid>
     <!-- Header -->
     <v-row class="mb-6">
@@ -201,6 +202,7 @@
       </v-card>
     </v-dialog>
     </v-container>
+  </div>
 </template>
 
 <script setup lang="ts">

pages/board/meetings/index.vue

@@ -1,4 +1,5 @@
 <template>
+  <div class="board-dashboard">
     <v-container fluid>
     <!-- Header -->
     <v-row class="mb-6">
@@ -188,6 +189,7 @@
       </v-card>
     </v-dialog>
     </v-container>
+  </div>
 </template>
 
 <script setup lang="ts">

pages/board/members/index.vue

@@ -1,5 +1,5 @@
 <template>
-  <div>
+  <div class="board-dashboard">
     <!-- Header -->
     <div class="mb-6">
       <div class="d-flex justify-space-between align-center">

pages/member/events/index.vue

@@ -1,5 +1,5 @@
 <template>
-  <div>
+  <div class="member-dashboard">
     <!-- Header -->
     <div class="mb-6">
       <h1 class="text-h4 font-weight-bold mb-2">Events</h1>

pages/member/profile/index.vue

@@ -1,5 +1,5 @@
 <template>
-  <div>
+  <div class="member-dashboard">
     <!-- Header -->
     <div class="mb-6">
       <h1 class="text-h4 font-weight-bold mb-2">My Profile</h1>

pages/member/resources/index.vue

@@ -1,5 +1,5 @@
 <template>
-  <div>
+  <div class="member-dashboard">
     <!-- Header -->
     <div class="mb-6">
       <h1 class="text-h4 font-weight-bold mb-2">Resources</h1>