[NL-79]: 홈 화면 미비점 수정 (#51)

* [NL-79]: 홈 화면 배경 설정

* [NL-79]: 번호 추천 상세 뒤로가기 버튼 이벤트 연결

* [NL-79]: 번호 추천 상세 -> 결과 안내 연결

* [NL-79]: 추천 상세 로딩화면 구조 수정

Author: TTOzzi

DesignSystem/DesignSystem/Resources/Images.xcassets/home-pattern-1.imageset/Contents.json

@@ -0,0 +1,12 @@
+{
+  "images" : [
+    {
+      "filename" : "home-pattern-1.svg",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

DesignSystem/DesignSystem/Resources/Images.xcassets/home-pattern-1.imageset/home-pattern-1.svg

@@ -0,0 +1,12 @@
+{
+  "images" : [
+    {
+      "filename" : "home-pattern-2.svg",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

DesignSystem/DesignSystem/Resources/Images.xcassets/home-pattern-2.imageset/Contents.json

@@ -0,0 +1,12 @@
+{
+  "images" : [
+    {
+      "filename" : "smile-pig.svg",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

DesignSystem/DesignSystem/Resources/Images.xcassets/home-pattern-2.imageset/home-pattern-2.svg

@@ -0,0 +1,60 @@
+//
+//  HomeBackgroundView.swift
+//  Home
+//
+//  Created by ttozzi on 8/18/25.
+//
+
+import DesignSystem
+import UIKit
+
+final class HomeBackgroundView: UIView {
+  
+  private let gradientLayer = CAGradientLayer().then {
+    $0.colors = [
+      UIColor(hexString: "#ECE2FF").cgColor,
+      UIColor(hexString: "#F4F3F5").cgColor,
+    ]
+    $0.locations = [0, 1]
+    $0.startPoint = CGPoint(x: 0.5, y: 0.5)
+    $0.endPoint = CGPoint(x: 0.5, y: 1)
+  }
+  private lazy var patternImageView1 = UIImageView().then {
+    $0.contentMode = .scaleAspectFit
+    $0.image = STImages.homePattern1.image
+  }
+  private lazy var patternImageView2 = UIImageView().then {
+    $0.contentMode = .scaleAspectFit
+    $0.image = STImages.homePattern2.image
+  }
+  
+  override init(frame: CGRect) {
+    super.init(frame: frame)
+    setupUI()
+  }
+
+  required init?(coder: NSCoder) {
+    fatalError("init(coder:) has not been implemented")
+  }
+  
+  override func layoutSubviews() {
+    super.layoutSubviews()
+    gradientLayer.frame = bounds
+  }
+  
+  private func setupUI() {
+    layer.insertSublayer(gradientLayer, at: .zero)
+    
+    addSubview(patternImageView1)
+    patternImageView1.snp.makeConstraints { make in
+      make.top.equalToSuperview().offset(27)
+      make.leading.equalToSuperview()
+    }
+    
+    addSubview(patternImageView2)
+    patternImageView2.snp.makeConstraints { make in
+      make.top.equalToSuperview().offset(155)
+      make.trailing.equalToSuperview()
+    }
+  }
+}

DesignSystem/DesignSystem/Resources/Images.xcassets/smile-pig.imageset/Contents.json

@@ -35,7 +35,8 @@ final class HomeHeaderCollectionViewCell: UICollectionViewCell {
     $0.textColor = STColors.black.color
   }
   private lazy var imageView = UIImageView().then {
-    $0.backgroundColor = .gray  // TODO: 임시 영역
+    $0.image = STImages.smilePig.image
+    $0.contentMode = .scaleAspectFit
   }
 
   override init(frame: CGRect) {

DesignSystem/DesignSystem/Resources/Images.xcassets/smile-pig.imageset/smile-pig.svg

@@ -33,7 +33,7 @@ struct HomeService {
       if let recommendationContent = lottoRecommendation.content {
         HomeRecommendationCollectionViewCellModel(
           title: "\(name)님을 위한 로또 번호 추천",
-          state: .needsResultCheck(numbers: [
+          state: .recommended(numbers: [
             recommendationContent.num1,
             recommendationContent.num2,
             recommendationContent.num3,

Feature/Home/Sources/Home/HomeBackgroundView.swift

@@ -19,7 +19,7 @@ public final class HomeViewController: BaseViewController {
   private lazy var collectionView = UICollectionView(
     frame: .zero, collectionViewLayout: createLayout()
   ).then {
-    $0.backgroundColor = STColors.primary8.color  // TODO: 확인 필요
+    $0.backgroundView = HomeBackgroundView()
     $0.dataSource = self
     $0.register(
       HomeHeaderCollectionViewCell.self,
@@ -58,7 +58,9 @@ public final class HomeViewController: BaseViewController {
 
     view.addSubview(collectionView)
     collectionView.snp.makeConstraints {
-      $0.edges.equalToSuperview()
+      $0.top.equalToSuperview()
+      $0.horizontalEdges.equalToSuperview()
+      $0.bottom.equalTo(view.safeAreaLayoutGuide.snp.bottom)
     }
   }