Build AgentMinder Campaign Command Center - Phase 1 complete

Full-featured sales campaign dashboard replacing Looker Studio with
responsive Next.js app. Includes Executive Overview, Account Explorer
with priority algorithm, Activities with detail overlay, Pipeline/Opps
with deal panels, Implementation tracking, and Data Admin with CSV
import and CRUD operations.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/components/ui/ChartCard.tsx

@@ -0,0 +1,26 @@
+'use client';
+
+import { ReactNode } from 'react';
+
+interface ChartCardProps {
+  title: string;
+  subtitle?: string;
+  children: ReactNode;
+  className?: string;
+  action?: ReactNode;
+}
+
+export function ChartCard({ title, subtitle, children, className = '', action }: ChartCardProps) {
+  return (
+    <div className={`bg-card-bg rounded-xl border border-card-border p-5 ${className}`}>
+      <div className="flex items-start justify-between mb-4">
+        <div>
+          <h3 className="text-sm font-semibold text-foreground">{title}</h3>
+          {subtitle && <p className="text-xs text-muted mt-0.5">{subtitle}</p>}
+        </div>
+        {action}
+      </div>
+      {children}
+    </div>
+  );
+}