feat(frontend): Update analytics cards to match home page design consistency.

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

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

frontend/src/components/analytics/StatCard.tsx

@@ -12,6 +12,7 @@ interface StatCardProps {
     isPositive: boolean;
   };
   className?: string;
+  iconColor?: "green" | "blue" | "red" | "purple" | "orange" | "default";
 }
 
 export default function StatCard({
@@ -21,43 +22,58 @@ export default function StatCard({
   icon: Icon,
   trend,
   className,
+  iconColor = "default",
 }: StatCardProps) {
   return (
     <Card className={cn(className)}>
       <CardContent className="p-6">
-        <div className="flex items-center">
-          <div className="flex-shrink-0">
-            <Icon className="h-8 w-8 text-primary" />
-          </div>
-          <div className="ml-5 w-0 flex-1">
-            <dl>
-              <dt className="text-sm font-medium text-muted-foreground truncate">
-                {title}
-              </dt>
-              <dd className="flex items-baseline">
-                <div className="text-2xl font-semibold text-foreground">
-                  {value}
+        <div className="flex items-center justify-between">
+          <div>
+            <p className="text-sm font-medium text-muted-foreground">
+              {title}
+            </p>
+            <div className="flex items-baseline">
+              <p className="text-2xl font-bold text-foreground">
+                {value}
+              </p>
+              {trend && (
+                <div
+                  className={cn(
+                    "ml-2 flex items-baseline text-sm font-semibold",
+                    trend.isPositive
+                      ? "text-green-600 dark:text-green-400"
+                      : "text-red-600 dark:text-red-400",
+                  )}
+                >
+                  {trend.isPositive ? "+" : ""}
+                  {trend.value}%
                 </div>
-                {trend && (
-                  <div
-                    className={cn(
-                      "ml-2 flex items-baseline text-sm font-semibold",
-                      trend.isPositive
-                        ? "text-green-600 dark:text-green-400"
-                        : "text-red-600 dark:text-red-400",
-                    )}
-                  >
-                    {trend.isPositive ? "+" : ""}
-                    {trend.value}%
-                  </div>
-                )}
-              </dd>
-              {subtitle && (
-                <dd className="text-sm text-muted-foreground mt-1">
-                  {subtitle}
-                </dd>
               )}
-            </dl>
+            </div>
+            {subtitle && (
+              <p className="text-sm text-muted-foreground mt-1">
+                {subtitle}
+              </p>
+            )}
+          </div>
+          <div className={cn(
+            "p-3 rounded-full",
+            iconColor === "green" && "bg-green-100 dark:bg-green-900/20",
+            iconColor === "blue" && "bg-blue-100 dark:bg-blue-900/20",
+            iconColor === "red" && "bg-red-100 dark:bg-red-900/20",
+            iconColor === "purple" && "bg-purple-100 dark:bg-purple-900/20",
+            iconColor === "orange" && "bg-orange-100 dark:bg-orange-900/20",
+            iconColor === "default" && "bg-muted"
+          )}>
+            <Icon className={cn(
+              "h-6 w-6",
+              iconColor === "green" && "text-green-600",
+              iconColor === "blue" && "text-blue-600",
+              iconColor === "red" && "text-red-600",
+              iconColor === "purple" && "text-purple-600",
+              iconColor === "orange" && "text-orange-600",
+              iconColor === "default" && "text-muted-foreground"
+            )} />
           </div>
         </div>
       </CardContent>

frontend/src/routes/analytics.tsx

@@ -80,20 +80,21 @@ function AnalyticsDashboard() {
           value={stats?.total_transactions || 0}
           subtitle={`Last ${stats?.period_days || 0} days`}
           icon={Activity}
+          iconColor="blue"
         />
         <StatCard
           title="Total Income"
           value={`€${(stats?.total_income || 0).toLocaleString()}`}
           subtitle="Inflows this period"
           icon={TrendingUp}
-          className="border-green-200"
+          iconColor="green"
         />
         <StatCard
           title="Total Expenses"
           value={`€${(stats?.total_expenses || 0).toLocaleString()}`}
           subtitle="Outflows this period"
           icon={TrendingDown}
-          className="border-red-200"
+          iconColor="red"
         />
       </div>
 
@@ -104,23 +105,21 @@ function AnalyticsDashboard() {
           value={`€${(stats?.net_change || 0).toLocaleString()}`}
           subtitle="Income minus expenses"
           icon={CreditCard}
-          className={
-            (stats?.net_change || 0) >= 0
-              ? "border-green-200"
-              : "border-red-200"
-          }
+          iconColor={(stats?.net_change || 0) >= 0 ? "green" : "red"}
         />
         <StatCard
           title="Average Transaction"
           value={`€${Math.abs(stats?.average_transaction || 0).toLocaleString()}`}
           subtitle="Per transaction"
           icon={Activity}
+          iconColor="purple"
         />
         <StatCard
           title="Active Accounts"
           value={stats?.accounts_included || 0}
           subtitle="With recent activity"
           icon={Users}
+          iconColor="orange"
         />
       </div>