Make calculator cards equal height on desktop layout.

Co-authored-by: Cursor <cursoragent@cursor.com>

manual_trading_hub/static/app.css

@@ -6809,11 +6809,20 @@ body.funds-fullscreen-open {
   display: grid;
   grid-template-columns: repeat(2, minmax(0, 1fr));
   gap: 16px;
-  align-items: start;
+  align-items: stretch;
 }
 
 .calc-card {
   padding: 16px 18px;
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+}
+
+.calc-form {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
 }
 
 .calc-card h2 {
@@ -6879,7 +6888,8 @@ body.funds-fullscreen-open {
 }
 
 .calc-actions {
-  margin-top: 12px;
+  margin-top: auto;
+  padding-top: 12px;
 }
 
 .calc-result {