feat: 프로젝트 설정

src/app/page.tsx

@@ -1,65 +1,107 @@
-import Image from "next/image";
+// app/page.tsx
+"use client";
+
+import { useRouter } from "next/navigation";
+import { useCallback } from "react";
+
+type Mode = "freeflow" | "sprint" | "deepwork";
+
+export default function HomePage() {
+  const router = useRouter();
+
+  const startSession = useCallback(
+    (mode: Mode) => {
+      try {
+        localStorage.setItem("last_mode", mode);
+      } catch {}
+      router.push(`/session?mode=${mode}`);
+    },
+    [router],
+  );
 
-export default function Home() {
   return (
-    <div className="flex min-h-screen items-center justify-center bg-zinc-50 font-sans dark:bg-black">
-      <main className="flex min-h-screen w-full max-w-3xl flex-col items-center justify-between py-32 px-16 bg-white dark:bg-black sm:items-start">
-        <Image
-          className="dark:invert"
-          src="/next.svg"
-          alt="Next.js logo"
-          width={100}
-          height={20}
-          priority
-        />
-        <div className="flex flex-col items-center gap-6 text-center sm:items-start sm:text-left">
-          <h1 className="max-w-xs text-3xl font-semibold leading-10 tracking-tight text-black dark:text-zinc-50">
-            To get started, edit the page.tsx file.
-          </h1>
-          <p className="max-w-md text-lg leading-8 text-zinc-600 dark:text-zinc-400">
-            Looking for a starting point or more instructions? Head over to{" "}
-            <a
-              href="https://vercel.com/templates?framework=next.js&utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-              className="font-medium text-zinc-950 dark:text-zinc-50"
-            >
-              Templates
-            </a>{" "}
-            or the{" "}
-            <a
-              href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-              className="font-medium text-zinc-950 dark:text-zinc-50"
-            >
-              Learning
-            </a>{" "}
-            center.
-          </p>
+    <main className="min-h-screen w-full bg-[#E9EEF6]">
+      {/* Top-left logo */}
+      <header className="px-5 pt-6">
+        <div className="select-none text-lg font-bold tracking-tight leading-none text-slate-900">
+          hushroom
         </div>
-        <div className="flex flex-col gap-4 text-base font-medium sm:flex-row">
-          <a
-            className="flex h-12 w-full items-center justify-center gap-2 rounded-full bg-foreground px-5 text-background transition-colors hover:bg-[#383838] dark:hover:bg-[#ccc] md:w-[158px]"
-            href="https://vercel.com/new?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            <Image
-              className="dark:invert"
-              src="/vercel.svg"
-              alt="Vercel logomark"
-              width={16}
-              height={16}
-            />
-            Deploy Now
-          </a>
-          <a
-            className="flex h-12 w-full items-center justify-center rounded-full border border-solid border-black/[.08] px-5 transition-colors hover:border-transparent hover:bg-black/[.04] dark:border-white/[.145] dark:hover:bg-[#1a1a1a] md:w-[158px]"
-            href="https://nextjs.org/docs?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            Documentation
-          </a>
+      </header>
+
+      <section className="mx-auto flex min-h-[calc(100vh-56px)] max-w-lg flex-col justify-center px-5 pb-10">
+        {/* Section: Freeflow */}
+        <div className="mb-4">
+          <div className="text-sm font-semibold text-slate-600">자유 세션</div>
+          <div className="mt-1 text-base leading-relaxed text-slate-700">
+            시간 제한 없이, 원할 때 종료
+          </div>
         </div>
-      </main>
-    </div>
+
+        <button
+          type="button"
+          onClick={() => startSession("freeflow")}
+          className="w-full rounded-3xl bg-[#2F6FED] px-8 py-6 text-left text-white shadow-sm transition active:scale-[0.99] hover:bg-[#295FD1]"
+          aria-label="프리플로우 세션"
+        >
+          <div className="text-2xl font-semibold">프리플로우</div>
+          <div className="mt-2 text-lg opacity-90">무제한</div>
+        </button>
+
+        {/* Divider + Section: Timed sessions */}
+        <div className="my-8 flex items-center gap-3">
+          <div className="h-px flex-1 bg-[#D7E0EE]" />
+          <div className="text-sm font-semibold text-slate-600">
+            시간 고정 세션
+          </div>
+          <div className="h-px flex-1 bg-[#D7E0EE]" />
+        </div>
+
+        <div className="-mt-2 mb-5 text-base leading-relaxed text-slate-700">
+          한 번 실행되고 끝나면 요약으로 이동
+        </div>
+
+        <div className="grid grid-cols-2 gap-4">
+          <ModeTile
+            title="스프린트"
+            meta="25분"
+            desc="짧게 한 번"
+            onClick={() => startSession("sprint")}
+          />
+          <ModeTile
+            title="딥워크"
+            meta="90분"
+            desc="길게 한 번"
+            onClick={() => startSession("deepwork")}
+          />
+        </div>
+      </section>
+    </main>
+  );
+}
+
+function ModeTile({
+  title,
+  meta,
+  desc,
+  onClick,
+}: {
+  title: string;
+  meta: string;
+  desc: string;
+  onClick: () => void;
+}) {
+  return (
+    <button
+      type="button"
+      onClick={onClick}
+      className="rounded-3xl border border-[#C9D7F5] bg-white px-7 py-5 text-left shadow-sm transition active:scale-[0.99] hover:bg-[#F1F5FF]"
+      aria-label={`${title} ${meta}`}
+    >
+      <div className="flex items-baseline justify-between">
+        <div className="text-xl font-semibold text-slate-900">{title}</div>
+        <div className="text-lg font-semibold text-blue-700">{meta}</div>
+      </div>
+      <div className="mt-3 text-base text-slate-700">{desc}</div>
+    </button>
   );
 }