style(storybook): refine search and date story layout

src/components/date-picker.stories.tsx

@@ -12,10 +12,11 @@ import { StoryPage, StoryPageHeader, StorySection } from "@/components/story-pag
 const today = new Date(2026, 9, 2)
 const calendarProps = { today, startMonth: new Date(2026, 0), endMonth: new Date(2027, 11) }
 
-function Field({ label, id, children }: { label: string; id: string; children: ReactNode }) {
+// Label 14/20/500 in the default text color; a Disabled field keeps the secondary color at 0.6 (same as the Form pages).
+function Field({ label, id, disabled, children }: { label: string; id: string; disabled?: boolean; children: ReactNode }) {
   return (
     <div className="grid max-w-xs gap-2">
-      <label htmlFor={id} className="justify-self-start text-sm font-medium text-muted-foreground">
+      <label htmlFor={id} className={`justify-self-start text-sm font-medium ${disabled ? "text-muted-foreground opacity-60" : "text-foreground"}`}>
         {label}
       </label>
       {children}
@@ -39,16 +40,19 @@ function Selected() {
   )
 }
 
-function FormatExamples() {
+function DefaultFormat() {
   return (
-    <div className="grid gap-3">
-      <Field label="기본 형식 · YYYY.MM.DD" id="dp-padded">
-        <DatePicker id="dp-padded" defaultValue={new Date(2026, 0, 9)} calendarProps={calendarProps} />
-      </Field>
-      <Field label="Custom format override" id="dp-custom">
-        <DatePicker id="dp-custom" defaultValue={new Date(2026, 9, 6)} format={(date) => date.toLocaleDateString("ko-KR")} calendarProps={calendarProps} />
-      </Field>
-    </div>
+    <Field label="기본 형식 · YYYY.MM.DD" id="dp-padded">
+      <DatePicker id="dp-padded" defaultValue={new Date(2026, 0, 9)} calendarProps={calendarProps} />
+    </Field>
+  )
+}
+
+function CustomFormat() {
+  return (
+    <Field label="Custom format override" id="dp-custom">
+      <DatePicker id="dp-custom" defaultValue={new Date(2026, 9, 6)} format={(date) => date.toLocaleDateString("ko-KR")} calendarProps={calendarProps} />
+    </Field>
   )
 }
 
@@ -86,29 +90,27 @@ function DisabledDates() {
 
 function Disabled() {
   return (
-    <Field label="비활성" id="dp-disabled">
+    <Field label="비활성" id="dp-disabled" disabled>
       <DatePicker id="dp-disabled" disabled defaultValue={new Date(2026, 9, 15)} />
     </Field>
   )
 }
 
-const sections = [
-  { id: "empty", label: "Empty", node: <Empty /> },
-  { id: "selected", label: "Selected", node: <Selected /> },
-  { id: "format", label: "Format", node: <FormatExamples /> },
-  { id: "controlled", label: "Controlled", node: <Controlled showValue={false} /> },
-  { id: "disabled-dates", label: "Disabled dates", node: <DisabledDates /> },
-  { id: "disabled", label: "Disabled", node: <Disabled /> },
-]
+// Same 3-column track as the Form pages (1 column on narrow screens). Each cell is a one-specimen StateBoard so subtitles, dividers and
+// fields line up; sections with fewer specimens leave the remaining tracks empty.
+const Grid = ({ children }: { children: ReactNode }) => (
+  <div className="grid items-start gap-6 [grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr))] min-[1000px]:grid-cols-3">{children}</div>
+)
+const Cell = ({ id, label, children }: { id: string; label: string; children: ReactNode }) => (
+  <div className="min-w-0">
+    <StateBoard min={10000} states={[{ id, label, children }]} />
+  </div>
+)
 
 const meta = { title: "Components/Search & Date/Date Picker", component: DatePicker, parameters: { layout: "padded" } } satisfies Meta<typeof DatePicker>
 export default meta
 type Story = StoryObj<typeof meta>
 
-const board = (...ids: string[]) => (
-  <StateBoard min={320} states={sections.filter((s) => ids.includes(s.id)).map((s) => ({ id: s.id, label: s.label, children: s.node }))} />
-)
-
 // Representative Story: the common Story page; the sections group the same specimens.
 export const All: Story = {
   name: "Date Picker",
@@ -116,15 +118,26 @@ export const All: Story = {
   render: () => (
     <StoryPage>
       <StoryPageHeader title="Date Picker" />
-      <StorySection title="Overview">{board("empty")}</StorySection>
-      {/* The field label already names the size, so the Medium specimen has no separate example title. */}
       <StorySection title="Sizes">
-        <div className="max-w-sm">
-          <Medium />
-        </div>
+        <Grid>
+          <Cell id="empty" label="Default"><Empty /></Cell>
+          <Cell id="medium" label="Medium"><Medium /></Cell>
+        </Grid>
+      </StorySection>
+      <StorySection title="States">
+        <Grid>
+          <Cell id="selected" label="Selected"><Selected /></Cell>
+          <Cell id="controlled" label="Controlled"><Controlled showValue={false} /></Cell>
+          <Cell id="disabled-dates" label="Disabled dates"><DisabledDates /></Cell>
+          <Cell id="disabled" label="Disabled"><Disabled /></Cell>
+        </Grid>
+      </StorySection>
+      <StorySection title="Usage">
+        <Grid>
+          <Cell id="format-default" label="Default format"><DefaultFormat /></Cell>
+          <Cell id="format-custom" label="Custom format"><CustomFormat /></Cell>
+        </Grid>
       </StorySection>
-      <StorySection title="States">{board("selected", "controlled", "disabled-dates", "disabled")}</StorySection>
-      <StorySection title="Usage">{board("format")}</StorySection>
     </StoryPage>
   ),
 }