[feat] 공통 컴포넌트 구현 (Post)

package.json

@@ -24,6 +24,7 @@
     "@tailwindcss/postcss": "^4.1.4",
     "@tailwindcss/vite": "^4.1.4",
     "axios": "^1.8.4",
+    "clsx": "^2.1.1",
     "postcss": "^8.5.3",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",

src/components/Post/PostListItem.tsx

@@ -0,0 +1,105 @@
+import clsx from "clsx";
+import { formatTimeRange, isPastDate } from "@/utils/datetime";
+import IconTime from "@/assets/icon/time.svg";
+import IconLocation from "@/assets/icon/location.svg";
+import IconArrow from "@/assets/icon/arrow-up.svg";
+import IconArrowBold from "@/assets/icon/arrow-up-bold.svg";
+
+const getPayRateText = (
+  hourlyPay: number,
+  originalPay: number,
+): {
+  rawRate: number;
+  displayRate: number;
+  rateText: string;
+} => {
+  const rawRate = ((hourlyPay - originalPay) / originalPay) * 100;
+  const displayRate = Math.min(Math.round(rawRate), 100);
+  const rateText = `기존 시급보다 ${displayRate}%`;
+
+  return { rawRate, displayRate, rateText };
+};
+
+interface PostListItemProps {
+  hourlyPay: number;
+  startsAt: string;
+  workhour: number;
+  closed: boolean;
+  shop: {
+    name: string;
+    imageUrl: string;
+    address1: string;
+    originalHourlyPay: number;
+  };
+}
+
+export default function PostListItem({
+  hourlyPay,
+  startsAt,
+  workhour,
+  closed,
+  shop,
+}: PostListItemProps) {
+  const { name, address1, imageUrl, originalHourlyPay } = shop;
+
+  const timeRange = formatTimeRange(startsAt, workhour);
+  const isPast = isPastDate(startsAt, workhour);
+  const isDimmed = closed || isPast;
+  const { displayRate, rateText } = getPayRateText(
+    hourlyPay,
+    originalHourlyPay,
+  );
+
+  return (
+    <article className="relative flex w-full flex-col rounded-xl border border-gray-20 bg-white p-3 shadow-md md:p-4">
+      <div className="relative">
+        <div
+          className="w-full h-[84px] overflow-hidden rounded-xl bg-cover bg-center md:h-40"
+          style={{ backgroundImage: `url(${imageUrl})` }}
+        />
+        {isDimmed && (
+          <h3 className="absolute inset-0 flex items-center justify-center rounded-md bg-black/70 text-sm text-white md:text-[28px]">
+            {closed ? "마감 완료" : "지난 공고"}
+          </h3>
+        )}
+      </div>
+
+      <div className={clsx(isDimmed && "opacity-20")}>
+        <div className="mt-3 flex flex-col gap-2 md:mt-5">
+          <h3 className="text-base md:text-xl">{name}</h3>
+          <p className="flex items-start gap-[6px] text-xs font-normal leading-4 text-gray-50 md:items-center md:text-[14px] md:leading-[22px]">
+            <img src={IconTime} className="h-4 w-4 md:h-5 md:w-5" />
+            {timeRange}
+          </p>
+          <p className="flex items-start gap-[6px] text-xs font-normal leading-4 text-gray-50 md:items-center md:text-[14px] md:leading-[22px]">
+            <img src={IconLocation} className="h-4 w-4 md:h-5 md:w-5" />
+            {address1}
+          </p>
+        </div>
+
+        <div className="mt-4 flex flex-col items-start md:flex-row md:items-center md:justify-between">
+          <h2 className="text-lg md:text-2xl">
+            {hourlyPay.toLocaleString()}원
+          </h2>
+
+          {displayRate > 0 && (
+            <span
+              className={clsx(
+                "mt-[5px] flex items-center gap-[2px] text-xs font-normal text-red-40 md:text-sm md:text-white md:px-3 md:py-2 md:rounded-[20px]",
+                {
+                  "md:bg-red-40": displayRate >= 90,
+                  "md:bg-red-30": displayRate >= 70 && displayRate < 90,
+                  "md:bg-red-20": displayRate < 70,
+                },
+              )}
+            >
+              {rateText}
+              <img src={IconArrow} className="hidden h-5 w-5 md:block" />
+              <img src={IconArrowBold} className="h-4 w-4 md:hidden" />
+            </span>
+          )}
+        </div>
+      </div>
+    </article>
+  );
+}