fix: correct fee settings button link and improve calendar theming

- Fix fee settings button in dashboard to link to /settings/fees instead of /calendar
- Implement proper theme management system for calendar page
- Add theme background handler and data-theme-background attribute
- Replace broken theme import with complete theme management
- Both dashboard and calendar now properly support light/dark themes
- Fixed glassmorphism CSS variables and theme switching

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

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

src/pages/api/admin/organizations.ts

@@ -0,0 +1,69 @@
+import type { APIRoute } from 'astro';
+import { createSupabaseServerClient } from '../../../lib/supabase-ssr';
+import { createSupabaseAdmin } from '../../../lib/supabase-admin';
+
+export const GET: APIRoute = async ({ request, cookies }) => {
+  try {
+    // Check authentication
+    const supabase = createSupabaseServerClient(cookies);
+    const { data: { session }, error: sessionError } = await supabase.auth.getSession();
+    
+    if (sessionError || !session) {
+      return new Response(JSON.stringify({ 
+        success: false, 
+        error: 'Authentication required' 
+      }), { 
+        status: 401,
+        headers: { 'Content-Type': 'application/json' }
+      });
+    }
+
+    // Use admin client to bypass RLS
+    const serviceClient = createSupabaseAdmin();
+    
+    // Get organizations
+    const { data: orgs, error } = await serviceClient
+      .from('organizations')
+      .select('*')
+      .order('created_at', { ascending: false });
+
+    if (error) {
+      console.error('Organizations query error:', error);
+      return new Response(JSON.stringify({
+        success: false,
+        error: 'Failed to fetch organizations'
+      }), {
+        status: 500,
+        headers: { 'Content-Type': 'application/json' }
+      });
+    }
+
+    // Get user counts for each organization
+    if (orgs) {
+      for (const org of orgs) {
+        const { data: users } = await serviceClient
+          .from('users')
+          .select('id')
+          .eq('organization_id', org.id);
+        org.user_count = users ? users.length : 0;
+      }
+    }
+
+    return new Response(JSON.stringify({
+      success: true,
+      data: orgs || []
+    }), {
+      status: 200,
+      headers: { 'Content-Type': 'application/json' }
+    });
+  } catch (error) {
+    console.error('Admin organizations error:', error);
+    return new Response(JSON.stringify({
+      success: false,
+      error: 'Failed to load organizations'
+    }), {
+      status: 500,
+      headers: { 'Content-Type': 'application/json' }
+    });
+  }
+};