style(storybook): refine overlay story layout

src/components/dialog.stories.tsx

@@ -4,6 +4,7 @@ import { Button } from "@hm-design/ui"
 import { Dialog, DialogBody, DialogClose, DialogContent, DialogDescription, DialogFooter, DialogHeader, DialogTitle, DialogTrigger } from "@hm-design/ui"
 import { Input } from "@hm-design/ui"
 import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@hm-design/ui"
+import { StateBoard, type BoardState } from "@/components/story-board"
 import { StoryPage, StoryPageHeader, StorySection } from "@/components/story-page"
 
 // Dialog is an overlay (Radix Portal), so it does not fit the StateBoard. The representative Story is a row of triggers that open
@@ -161,7 +162,7 @@ function FormContent({ defaultOpen }: { defaultOpen?: boolean }) {
   return (
     <Frame trigger="폼" defaultOpen={defaultOpen} title="프로젝트 정보" actions={confirmActions}>
       <div className="grid gap-2">
-        <label htmlFor="dialog-form-name" className="text-sm font-medium text-muted-foreground">
+        <label htmlFor="dialog-form-name" className="text-sm font-medium text-foreground">
           프로젝트명
         </label>
         <Input id="dialog-form-name" size="medium" placeholder="프로젝트명을 입력하세요" />
@@ -176,29 +177,44 @@ type Story = StoryObj<typeof meta>
 
 // Representative Story: the common Story page; every case opens from its trigger. Named after the component, as in ui_viz.
 // It is the only Dialog entry in the default sidebar, so Storybook shows Dialog as a single 1-depth item.
+// Representative-page layout (Storybook presentation only): equal columns on PC (iframe width 1000px and up), fewer below that
+// (200px minimum). Each specimen sits in its own single-column StateBoard (min larger than any column), so every subtitle and divider
+// has the width of its column; a section with fewer specimens than columns leaves the remaining columns empty. The trigger keeps its
+// own size (the wrapper div stretches, the inline-flex trigger does not). Overlays open in a portal, so this layout never affects them.
+function SpecimenGrid({ states, columns = 4 }: { states: BoardState[]; columns?: 4 | 5 }) {
+  return (
+    <div className={`grid items-start gap-6 [grid-template-columns:repeat(auto-fill,minmax(min(100%,200px),1fr))] ${columns === 5 ? "min-[1000px]:grid-cols-5" : "min-[1000px]:grid-cols-4"}`}>
+      {states.map((state) => (
+        <StateBoard key={state.id} min={10000} states={[{ ...state, children: <div>{state.children}</div> }]} />
+      ))}
+    </div>
+  )
+}
+
+// Representative Story: the common Story page. Overview is merged into Variants (Basic is its first item).
 export const All: Story = {
   name: "Dialog",
   parameters: { layout: "fullscreen", controls: { disable: true } },
   render: () => (
     <StoryPage>
-      <StoryPageHeader
-        title="Dialog"
-      />
-      <StorySection title="Overview">
-        <Basic />
-      </StorySection>
+      <StoryPageHeader title="Dialog" />
       <StorySection title="Variants">
-        <div className="flex flex-wrap gap-3">
-          <LongContent />
-          <WideContent />
-          <BodyScroll />
-        </div>
+        <SpecimenGrid
+          states={[
+            { id: "basic", label: "Basic", children: <Basic /> },
+            { id: "long-content", label: "Long Content", children: <LongContent /> },
+            { id: "wide-content", label: "Wide Content", children: <WideContent /> },
+            { id: "body-scroll", label: "Body Scroll", children: <BodyScroll /> },
+          ]}
+        />
       </StorySection>
       <StorySection title="Usage">
-        <div className="flex flex-wrap gap-3">
-          <DeleteConfirmation />
-          <FormContent />
-        </div>
+        <SpecimenGrid
+          states={[
+            { id: "delete-confirmation", label: "Delete Confirmation", children: <DeleteConfirmation /> },
+            { id: "form", label: "Form", children: <FormContent /> },
+          ]}
+        />
       </StorySection>
     </StoryPage>
   ),