Refactor WorkflowCanvasNode styling for improved layout and visual feedback

web/app/dashboard/ai-workflows/_components/workflow-editor.tsx

@@ -996,13 +996,14 @@ function WorkflowConnectionLine({ fromX, fromY, toX, toY }: ConnectionLineCompon
     <g>
       <path
         fill="none"
-        stroke="hsl(var(--primary) / 0.72)"
+        stroke="var(--primary)"
+        opacity={0.72}
         strokeDasharray="6 5"
         strokeLinecap="round"
         strokeWidth={2}
         d={edgePath}
       />
-      <circle cx={toX} cy={toY} r={4} fill="hsl(var(--primary))" />
+      <circle cx={toX} cy={toY} r={4} fill="var(--primary)" />
     </g>
   )
 }
@@ -1217,7 +1218,7 @@ function WorkflowCanvasNode({ id, data, selected }: NodeProps<WorkflowFlowNode>)
   return (
     <div
       className={[
-        "group/node relative w-52 overflow-hidden rounded-xl border bg-background shadow-[0_12px_34px_rgba(15,23,42,0.08)] transition-all hover:-translate-y-0.5 hover:shadow-[0_18px_42px_rgba(15,23,42,0.12)]",
+        "group/node relative w-52 rounded-xl border bg-background shadow-[0_12px_34px_rgba(15,23,42,0.08)] transition-all hover:-translate-y-0.5 hover:shadow-[0_18px_42px_rgba(15,23,42,0.12)]",
         selected ? "border-primary ring-4 ring-primary/10" : "",
         hasIssue ? "border-destructive/70" : "border-border/70",
       ].join(" ")}
@@ -1227,8 +1228,9 @@ function WorkflowCanvasNode({ id, data, selected }: NodeProps<WorkflowFlowNode>)
       <WorkflowNodeHandle
         type="target"
         position={Position.Left}
-        className={cn("!-left-2.5", handleClassName)}
+        className={cn("!left-0", handleClassName)}
       />
+      <div className="overflow-hidden rounded-xl">
         <div className="flex items-start gap-2 border-b border-border/60 bg-muted/20 px-3 py-2.5">
           <div
             className={cn(
@@ -1262,10 +1264,11 @@ function WorkflowCanvasNode({ id, data, selected }: NodeProps<WorkflowFlowNode>)
             </div>
           )}
         </div>
+      </div>
       <WorkflowNodeHandle
         type="source"
         position={Position.Right}
-        className={cn("!-right-2.5", handleClassName)}
+        className={cn("!right-0", handleClassName)}
       />
       <WorkflowAddAfterButton
         nodeId={id}