feat: AlertModal 컴포넌트 생성 (#87)

package.json

@@ -18,6 +18,8 @@
   },
   "dependencies": {
     "@hookform/resolvers": "^5.1.1",
+    "@radix-ui/react-alert-dialog": "^1.1.14",
+    "@radix-ui/react-dialog": "^1.1.14",
     "@tanstack/react-query": "^5.77.0",
     "@tanstack/react-query-devtools": "^5.77.0",
     "@use-funnel/browser": "^0.0.15",

src/components/ui/AlertModal/AlertModal.css.ts

@@ -0,0 +1,59 @@
+import { style } from "@vanilla-extract/css";
+
+import { radius, semantic, typography } from "@/styles";
+import { zIndex } from "@/styles/zIndex.css";
+
+export const overlay = style({
+  position: "fixed",
+  inset: 0,
+  backgroundColor: semantic.background.dim,
+  zIndex: zIndex.overlay,
+});
+
+export const content = style({
+  maxHeight: "80vh",
+  display: "flex",
+  flexDirection: "column",
+  position: "fixed",
+  top: "50%",
+  left: "50%",
+  transform: "translate(-50%, -50%)",
+  width: "min(30rem, 90vw)",
+  background: semantic.background.white,
+  borderRadius: radius[120],
+  zIndex: zIndex.modal,
+});
+
+export const innerContent = style({
+  overflowY: "auto",
+  padding: "4.8rem 1.6rem",
+  display: "flex",
+  flexDirection: "column",
+  alignItems: "center",
+});
+
+export const title = style({
+  ...typography.title3Sb,
+  color: semantic.text.normal,
+});
+
+export const description = style({
+  ...typography.body2Rg,
+  color: semantic.text.alternative,
+  marginTop: "0.8rem",
+  width: "100%",
+  textAlign: "center",
+});
+
+export const footer = style({
+  width: "100%",
+  display: "flex",
+});
+
+export const cancelButton = style({
+  flex: 1,
+});
+
+export const confirmButton = style({
+  flex: 1,
+});

src/components/ui/AlertModal/AlertModal.stories.tsx

@@ -0,0 +1,119 @@
+import * as AlertDialog from "@radix-ui/react-alert-dialog";
+import type { Meta, StoryObj } from "@storybook/nextjs";
+
+import { Button } from "../Button";
+import { AlertModal } from "./AlertModal";
+import * as styles from "./AlertModal.css";
+
+const meta: Meta<typeof AlertModal> = {
+  title: "Components/AlertModal",
+  component: AlertModal,
+  tags: ["autodocs"],
+  argTypes: {
+    title: {
+      control: "text",
+      description: "모달의 제목",
+    },
+    trigger: {
+      control: false,
+      description: "모달을 열기 위한 트리거(버튼 등, ReactNode)",
+    },
+    content: {
+      control: false,
+      description: "본문(설명 등, ReactNode)",
+    },
+    footer: {
+      control: false,
+      description:
+        "하단 푸터(버튼 영역 등, ReactNode). Radix의 <AlertDialog.Cancel asChild> 또는 <AlertDialog.Action asChild>를 조합하여 사용.",
+    },
+  },
+  parameters: {
+    layout: "centered",
+    docs: {
+      description: {
+        component:
+          "AlertModal은 사용자에게 확인/취소 액션을 요청할 때 사용하는 모달입니다. title, trigger, content, footer props를 지원합니다.",
+      },
+    },
+  },
+};
+
+export default meta;
+type Story = StoryObj<typeof AlertModal>;
+
+export const Default: Story = {
+  render: args => <AlertModal {...args} />,
+  args: {
+    title: "정말 삭제하시겠어요?",
+    trigger: <Button>모달 열기</Button>,
+    content: <div>삭제하면 복구할 수 없습니다.</div>,
+    footer: (
+      <>
+        <AlertDialog.Cancel asChild>
+          <Button
+            variant='assistive'
+            className={styles.cancelButton}
+            style={{ borderRadius: "0 0 0 1.2rem" }}
+          >
+            취소
+          </Button>
+        </AlertDialog.Cancel>
+        <AlertDialog.Action asChild>
+          <Button
+            variant='primary'
+            className={styles.confirmButton}
+            style={{ borderRadius: "0 0 1.2rem 0" }}
+          >
+            삭제
+          </Button>
+        </AlertDialog.Action>
+      </>
+    ),
+  },
+  parameters: {
+    docs: {
+      description: {
+        story:
+          "기본 AlertModal. 타이틀과 설명, 확인/취소 버튼을 모두 포함합니다.",
+      },
+    },
+  },
+};
+
+export const NoDescription: Story = {
+  render: args => <AlertModal {...args} />,
+  args: {
+    title: "약관을 동의하시겠습니까?",
+    trigger: <Button>모달 열기</Button>,
+    footer: (
+      <>
+        <AlertDialog.Cancel asChild>
+          <Button
+            variant='assistive'
+            className={styles.cancelButton}
+            style={{ borderRadius: "0 0 0 1.2rem" }}
+          >
+            취소
+          </Button>
+        </AlertDialog.Cancel>
+        <AlertDialog.Action asChild>
+          <Button
+            variant='primary'
+            className={styles.confirmButton}
+            style={{ borderRadius: "0 0 1.2rem 0" }}
+          >
+            동의
+          </Button>
+        </AlertDialog.Action>
+      </>
+    ),
+  },
+  parameters: {
+    docs: {
+      description: {
+        story: "description 없이 타이틀과 버튼만 표시되는 AlertModal입니다.",
+      },
+    },
+  },
+};

src/components/ui/AlertModal/AlertModal.tsx

@@ -0,0 +1,75 @@
+import * as AlertDialog from "@radix-ui/react-alert-dialog";
+import { type ReactNode } from "react";
+
+import * as styles from "./AlertModal.css";
+
+export type AlertModalProps = {
+  /** 모달의 제목 */
+  title?: string;
+
+  /** 모달을 열기 위한 트리거(버튼 등, 선택) */
+  trigger?: ReactNode;
+
+  /** 본문(설명 등, ReactNode로 자유롭게 구성) */
+  content?: ReactNode;
+
+  /**
+   * 하단 푸터(버튼 영역 등, ReactNode로 자유롭게 구성)
+   * Radix의 <AlertDialog.Cancel asChild> 또는 <AlertDialog.Action asChild>를 조합하여 사용 가능
+   * 예시:
+   * <>
+   *   <AlertDialog.Cancel asChild>
+   *     <Button>취소</Button>
+   *   </AlertDialog.Cancel>
+   *   <AlertDialog.Action asChild>
+   *     <Button>확인</Button>
+   *   </AlertDialog.Action>
+   * </>
+   */
+  footer?: ReactNode;
+};
+
+/**
+ * AlertModal 컴포넌트
+ *
+ * @example
+ * ```tsx
+ * <AlertModal
+ *   title="정말 삭제하시겠어요?"
+ *   trigger={<Button>모달 열기</Button>}
+ *   content={<div>삭제하면 복구할 수 없습니다.</div>}
+ *   footer={
+ *     <>
+ *       <Button variant="assistive">취소</Button>
+ *       <Button variant="primary">삭제</Button>
+ *     </>
+ *   }
+ * />
+ * ```
+ */
+export const AlertModal = ({
+  title,
+  trigger,
+  content,
+  footer,
+}: AlertModalProps) => {
+  return (
+    <AlertDialog.Root>
+      {trigger && <AlertDialog.Trigger asChild>{trigger}</AlertDialog.Trigger>}
+      <AlertDialog.Portal>
+        <AlertDialog.Overlay className={styles.overlay} />
+        <AlertDialog.Content className={styles.content}>
+          <section className={styles.innerContent}>
+            {title && (
+              <AlertDialog.Title className={styles.title}>
+                {title}
+              </AlertDialog.Title>
+            )}
+            {content && <div className={styles.description}>{content}</div>}
+          </section>
+          {footer && <div className={styles.footer}>{footer}</div>}
+        </AlertDialog.Content>
+      </AlertDialog.Portal>
+    </AlertDialog.Root>
+  );
+};

src/components/ui/AlertModal/index.ts

@@ -0,0 +1 @@
+export { AlertModal } from "./AlertModal";

src/components/ui/GNB/GNB.css.ts

@@ -2,6 +2,7 @@ import { style } from "@vanilla-extract/css";
 import { recipe } from "@vanilla-extract/recipes";
 
 import { semantic, typography } from "@/styles";
+import { zIndex } from "@/styles/zIndex.css";
 
 export const wrapper = recipe({
   base: {
@@ -12,7 +13,7 @@ export const wrapper = recipe({
     width: "100%",
     height: "5.6rem",
     padding: "1.4rem 2rem",
-    zIndex: 999,
+    zIndex: zIndex.gnb,
   },
   variants: {
     background: {

src/styles/reset.css.ts

@@ -6,6 +6,10 @@ globalStyle("html", {
   fontSize: "62.5%",
 });
 
+globalStyle("html, body", {
+  height: "100%",
+});
+
 globalStyle(
   "html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video",
   {

src/styles/zIndex.css.ts

@@ -0,0 +1,9 @@
+import { createGlobalTheme } from "@vanilla-extract/css";
+
+export const zIndex = createGlobalTheme(":root", {
+  base: "0",
+  gnb: "100",
+  overlay: "900",
+  modal: "1000",
+  toast: "1100",
+});