diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Package.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Package.swift
index 9cdb8cc65d..76dd137cf9 100644
--- a/packages/frontend/apps/ios/App/Packages/Intelligents/Package.swift
+++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Package.swift
@@ -26,6 +26,8 @@ let package = Package(
       "Then",
       .product(name: "Apollo", package: "apollo-ios"),
       .product(name: "OrderedCollections", package: "swift-collections"),
+    ], resources: [
+      .process("Interface/View/InputBox/InputBox.xcassets")
     ]),
   ]
 )
diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/Controller/MainViewController/MainViewController.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/Controller/MainViewController/MainViewController.swift
index c95de6cfd8..0698ce2c02 100644
--- a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/Controller/MainViewController/MainViewController.swift
+++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/Controller/MainViewController/MainViewController.swift
@@ -9,6 +9,10 @@ class MainViewController: UIViewController {
     $0.delegate = self
   }
 
+  private lazy var inputBox = InputBox().then {
+    $0.delegate = self
+  }
+
   // MARK: - Lifecycle
 
   override func viewDidLoad() {
@@ -32,11 +36,17 @@ class MainViewController: UIViewController {
     view.backgroundColor = .systemBackground
 
     view.addSubview(headerView)
+    view.addSubview(inputBox)
 
     headerView.snp.makeConstraints { make in
       make.top.equalTo(view.safeAreaLayoutGuide)
       make.leading.trailing.equalToSuperview()
     }
+
+    inputBox.snp.makeConstraints { make in
+      make.leading.trailing.equalToSuperview()
+      make.bottom.equalTo(view.keyboardLayoutGuide.snp.top)
+    }
   }
 }
 
@@ -57,3 +67,32 @@ extension MainViewController: MainHeaderViewDelegate {
     print("Menu tapped")
   }
 }
+
+// MARK: - InputBoxDelegate
+
+extension MainViewController: InputBoxDelegate {
+  func inputBoxDidTapAddAttachment() {
+    
+  }
+  
+  func inputBoxDidTapTool() {
+    
+  }
+  
+  func inputBoxDidTapNetwork() {
+    
+  }
+  
+  func inputBoxDidTapDeepThinking() {
+    
+  }
+  
+  func inputBoxDidTapSend() {
+    
+  }
+  
+  func inputBoxTextDidChange(_ text: String) {
+    
+  }
+  
+}
diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.swift
new file mode 100644
index 0000000000..dbb20ae53f
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.swift
@@ -0,0 +1,239 @@
+import SnapKit
+import Then
+import UIKit
+
+protocol InputBoxDelegate: AnyObject {
+  func inputBoxDidTapAddAttachment()
+  func inputBoxDidTapTool()
+  func inputBoxDidTapNetwork()
+  func inputBoxDidTapDeepThinking()
+  func inputBoxDidTapSend()
+  func inputBoxTextDidChange(_ text: String)
+}
+
+class InputBox: UIView {
+  weak var delegate: InputBoxDelegate?
+
+  private lazy var containerView = UIView().then {
+    $0.backgroundColor = .systemBackground
+    $0.layer.cornerRadius = 12
+    $0.layer.borderWidth = 0.5
+    $0.layer.borderColor = UIColor.systemGray4.cgColor
+    $0.layer.shadowColor = UIColor.black.cgColor
+    $0.layer.shadowOffset = CGSize(width: 0, height: 2)
+    $0.layer.shadowRadius = 6
+    $0.layer.shadowOpacity = 0.04
+    $0.clipsToBounds = false
+  }
+
+  private lazy var textView = UITextView().then {
+    $0.backgroundColor = .clear
+    $0.font = .systemFont(ofSize: 16)
+    $0.textColor = .label
+    $0.isScrollEnabled = false
+    $0.textContainer.lineFragmentPadding = 0
+    $0.textContainerInset = .zero
+    $0.delegate = self
+    $0.text = "This is AFFiNE AI"
+  }
+
+  private lazy var placeholderLabel = UILabel().then {
+    $0.text = "Write your message..."
+    $0.font = .systemFont(ofSize: 16)
+    $0.textColor = .systemGray3
+    $0.isHidden = true
+  }
+
+  private lazy var addButton = UIButton(type: .system).then {
+    $0.backgroundColor = .systemBackground
+    $0.layer.cornerRadius = 6
+    $0.layer.borderWidth = 0.5
+    $0.layer.borderColor = UIColor.systemGray4.cgColor
+    $0.setImage(UIImage(named: "inputbox.add.attachment", in: .module, with: nil), for: .normal)
+    $0.tintColor = .secondaryLabel
+    $0.imageView?.contentMode = .scaleAspectFit
+    $0.addTarget(self, action: #selector(addButtonTapped), for: .touchUpInside)
+  }
+
+  private lazy var toolButton = UIButton(type: .system).then {
+    $0.setImage(UIImage(named: "inputbox.tool", in: .module, with: nil), for: .normal)
+    $0.tintColor = .secondaryLabel
+    $0.imageView?.contentMode = .scaleAspectFit
+    $0.addTarget(self, action: #selector(toolButtonTapped), for: .touchUpInside)
+  }
+
+  private lazy var webButton = UIButton(type: .system).then {
+    $0.setImage(UIImage(named: "inputbox.network", in: .module, with: nil), for: .normal)
+    $0.tintColor = .secondaryLabel
+    $0.imageView?.contentMode = .scaleAspectFit
+    $0.addTarget(self, action: #selector(webButtonTapped), for: .touchUpInside)
+  }
+
+  private lazy var reactButton = UIButton(type: .system).then {
+    $0.setImage(UIImage(named: "inputbox.deep.thinking", in: .module, with: nil), for: .normal)
+    $0.tintColor = .secondaryLabel
+    $0.imageView?.contentMode = .scaleAspectFit
+    $0.addTarget(self, action: #selector(reactButtonTapped), for: .touchUpInside)
+  }
+
+  private lazy var sendButton = UIButton(type: .system).then {
+    $0.backgroundColor = UIColor.systemBlue
+    $0.layer.cornerRadius = 19
+    $0.setImage(UIImage(named: "inputbox.send", in: .module, with: nil), for: .normal)
+    $0.tintColor = .white
+    $0.imageView?.contentMode = .scaleAspectFit
+    $0.addTarget(self, action: #selector(sendButtonTapped), for: .touchUpInside)
+  }
+
+  private lazy var leftButtonsStackView = UIStackView().then {
+    $0.axis = .horizontal
+    $0.spacing = 16
+    $0.alignment = .center
+    $0.addArrangedSubview(addButton)
+  }
+
+  private lazy var rightButtonsStackView = UIStackView().then {
+    $0.axis = .horizontal
+    $0.spacing = 16
+    $0.alignment = .center
+    $0.addArrangedSubview(toolButton)
+    $0.addArrangedSubview(webButton)
+    $0.addArrangedSubview(reactButton)
+    $0.addArrangedSubview(sendButton)
+  }
+
+  private lazy var functionsStackView = UIStackView().then {
+    $0.axis = .horizontal
+    $0.spacing = 12
+    $0.alignment = .center
+    $0.addArrangedSubview(leftButtonsStackView)
+    $0.addArrangedSubview(UIView()) // spacer
+    $0.addArrangedSubview(rightButtonsStackView)
+  }
+
+  private lazy var mainStackView = UIStackView().then {
+    $0.axis = .vertical
+    $0.spacing = 16
+    $0.alignment = .fill
+    $0.addArrangedSubview(textView)
+    $0.addArrangedSubview(functionsStackView)
+  }
+
+  private var textViewHeightConstraint: Constraint?
+  private let minTextViewHeight: CGFloat = 22
+  private let maxTextViewHeight: CGFloat = 100
+
+  var text: String {
+    get { textView.text ?? "" }
+    set {
+      textView.text = newValue
+      updatePlaceholderVisibility()
+      updateTextViewHeight()
+    }
+  }
+
+  init() {
+    super.init(frame: .zero)
+    setupViews()
+    setupConstraints()
+    updatePlaceholderVisibility()
+  }
+
+  @available(*, unavailable)
+  required init?(coder _: NSCoder) {
+    fatalError("init(coder:) has not been implemented")
+  }
+
+  private func setupViews() {
+    backgroundColor = .clear
+    addSubview(containerView)
+    containerView.addSubview(mainStackView)
+    containerView.addSubview(placeholderLabel)
+  }
+
+  private func setupConstraints() {
+    containerView.snp.makeConstraints { make in
+      make.edges.equalToSuperview().inset(16)
+    }
+
+    mainStackView.snp.makeConstraints { make in
+      make.edges.equalToSuperview().inset(16)
+    }
+
+    addButton.snp.makeConstraints { make in
+      make.size.equalTo(38)
+    }
+
+    for button in [toolButton, webButton, reactButton] {
+      button.snp.makeConstraints { make in
+        make.size.equalTo(24)
+      }
+    }
+
+    sendButton.snp.makeConstraints { make in
+      make.size.equalTo(38)
+    }
+
+    textView.snp.makeConstraints { make in
+      textViewHeightConstraint = make.height.equalTo(minTextViewHeight).constraint
+    }
+
+    placeholderLabel.snp.makeConstraints { make in
+      make.left.right.equalTo(textView)
+      make.top.equalTo(textView)
+    }
+  }
+
+  private func updateTextViewHeight() {
+    let size = textView.sizeThatFits(CGSize(width: textView.frame.width, height: CGFloat.greatestFiniteMagnitude))
+    let newHeight = max(minTextViewHeight, min(maxTextViewHeight, size.height))
+
+    textViewHeightConstraint?.update(offset: newHeight)
+    textView.isScrollEnabled = size.height > maxTextViewHeight
+
+    UIView.animate(
+      withDuration: 0.5,
+      delay: 0,
+      usingSpringWithDamping: 0.8,
+      initialSpringVelocity: 1.0,
+      options: [.curveEaseInOut]
+    ) {
+      self.layoutIfNeeded()
+      self.superview?.layoutIfNeeded()
+    }
+  }
+
+  private func updatePlaceholderVisibility() {
+    placeholderLabel.isHidden = !textView.text.isEmpty
+  }
+
+  @objc private func addButtonTapped() {
+    delegate?.inputBoxDidTapAddAttachment()
+  }
+
+  @objc private func toolButtonTapped() {
+    delegate?.inputBoxDidTapTool()
+  }
+
+  @objc private func webButtonTapped() {
+    delegate?.inputBoxDidTapNetwork()
+  }
+
+  @objc private func reactButtonTapped() {
+    delegate?.inputBoxDidTapDeepThinking()
+  }
+
+  @objc private func sendButtonTapped() {
+    delegate?.inputBoxDidTapSend()
+  }
+}
+
+// MARK: - UITextViewDelegate
+
+extension InputBox: UITextViewDelegate {
+  func textViewDidChange(_ textView: UITextView) {
+    updatePlaceholderVisibility()
+    updateTextViewHeight()
+    delegate?.inputBoxTextDidChange(textView.text)
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/Contents.json b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/Contents.json
new file mode 100644
index 0000000000..73c00596a7
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/Contents.json
@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.add.attachment.imageset/Contents.json b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.add.attachment.imageset/Contents.json
new file mode 100644
index 0000000000..a56be13406
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.add.attachment.imageset/Contents.json
@@ -0,0 +1,15 @@
+{
+  "images" : [
+    {
+      "filename" : "inputbox.add.attachment.png",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "template-rendering-intent" : "template"
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.add.attachment.imageset/inputbox.add.attachment.png b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.add.attachment.imageset/inputbox.add.attachment.png
new file mode 100644
index 0000000000..7140de8b25
Binary files /dev/null and b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.add.attachment.imageset/inputbox.add.attachment.png differ
diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.deep.thinking.imageset/Contents.json b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.deep.thinking.imageset/Contents.json
new file mode 100644
index 0000000000..a6380ac93e
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.deep.thinking.imageset/Contents.json
@@ -0,0 +1,15 @@
+{
+  "images" : [
+    {
+      "filename" : "inputbox.deep.thinking.png",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "template-rendering-intent" : "template"
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.deep.thinking.imageset/inputbox.deep.thinking.png b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.deep.thinking.imageset/inputbox.deep.thinking.png
new file mode 100644
index 0000000000..a785290da4
Binary files /dev/null and b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.deep.thinking.imageset/inputbox.deep.thinking.png differ
diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.network.imageset/Contents.json b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.network.imageset/Contents.json
new file mode 100644
index 0000000000..27d93a81ab
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.network.imageset/Contents.json
@@ -0,0 +1,15 @@
+{
+  "images" : [
+    {
+      "filename" : "inputbox.network.png",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "template-rendering-intent" : "template"
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.network.imageset/inputbox.network.png b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.network.imageset/inputbox.network.png
new file mode 100644
index 0000000000..9b9c847776
Binary files /dev/null and b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.network.imageset/inputbox.network.png differ
diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.send.imageset/Contents.json b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.send.imageset/Contents.json
new file mode 100644
index 0000000000..4ca7e2cd22
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.send.imageset/Contents.json
@@ -0,0 +1,15 @@
+{
+  "images" : [
+    {
+      "filename" : "inputbox.send.png",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "template-rendering-intent" : "original"
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.send.imageset/inputbox.send.png b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.send.imageset/inputbox.send.png
new file mode 100644
index 0000000000..163362c45b
Binary files /dev/null and b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.send.imageset/inputbox.send.png differ
diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.tool.imageset/Contents.json b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.tool.imageset/Contents.json
new file mode 100644
index 0000000000..423f9747c8
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.tool.imageset/Contents.json
@@ -0,0 +1,15 @@
+{
+  "images" : [
+    {
+      "filename" : "inputbox.tool.png",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "template-rendering-intent" : "template"
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.tool.imageset/inputbox.tool.png b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.tool.imageset/inputbox.tool.png
new file mode 100644
index 0000000000..470799177b
Binary files /dev/null and b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/InputBox/InputBox.xcassets/inputbox.tool.imageset/inputbox.tool.png differ
diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/MainHeaderView/MainHeaderView.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/MainHeaderView/MainHeaderView.swift
index a911c6121b..195cfd666e 100644
--- a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/MainHeaderView/MainHeaderView.swift
+++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/View/MainHeaderView/MainHeaderView.swift
@@ -9,9 +9,8 @@ protocol MainHeaderViewDelegate: AnyObject {
 }
 
 class MainHeaderView: UIView {
-  
   weak var delegate: MainHeaderViewDelegate?
-  
+
   private lazy var closeButton = UIButton(type: .system).then {
     $0.imageView?.contentMode = .scaleAspectFit
     $0.setImage(UIImage(systemName: "xmark"), for: .normal)
@@ -19,21 +18,21 @@ class MainHeaderView: UIView {
     $0.addTarget(self, action: #selector(closeButtonTapped), for: .touchUpInside)
     $0.setContentHuggingPriority(.required, for: .horizontal)
   }
-  
+
   private lazy var titleLabel = UILabel().then {
     $0.text = "AFFiNE"
     $0.font = .systemFont(ofSize: 16, weight: .medium)
     $0.textColor = .black
     $0.textAlignment = .center
   }
-  
+
   private lazy var dropdownButton = UIButton(type: .system).then {
     $0.imageView?.contentMode = .scaleAspectFit
     $0.setImage(UIImage(systemName: "chevron.down"), for: .normal)
     $0.tintColor = .systemGray
     $0.addTarget(self, action: #selector(dropdownButtonTapped), for: .touchUpInside)
   }
-  
+
   private lazy var centerStackView = UIStackView().then {
     $0.axis = .horizontal
     $0.spacing = 8
@@ -41,7 +40,7 @@ class MainHeaderView: UIView {
     $0.addArrangedSubview(titleLabel)
     $0.addArrangedSubview(dropdownButton)
   }
-  
+
   private lazy var menuButton = UIButton(type: .system).then {
     $0.imageView?.contentMode = .scaleAspectFit
     $0.setImage(UIImage(systemName: "ellipsis"), for: .normal)
@@ -49,11 +48,11 @@ class MainHeaderView: UIView {
     $0.addTarget(self, action: #selector(menuButtonTapped), for: .touchUpInside)
     $0.setContentHuggingPriority(.required, for: .horizontal)
   }
-  
+
   private lazy var leftSpacerView = UIView()
-  
+
   private lazy var rightSpacerView = UIView()
-  
+
   private lazy var mainStackView = UIStackView().then {
     $0.axis = .horizontal
     $0.alignment = .center
@@ -65,53 +64,53 @@ class MainHeaderView: UIView {
     $0.addArrangedSubview(rightSpacerView)
     $0.addArrangedSubview(menuButton)
   }
-  
+
   init() {
     super.init(frame: .zero)
-    
+
     backgroundColor = .white
     addSubview(mainStackView)
-    
+
     mainStackView.snp.makeConstraints { make in
       make.left.right.equalToSuperview().inset(16)
       make.centerY.equalToSuperview()
     }
-    
+
     closeButton.snp.makeConstraints { make in
       make.size.equalTo(titleLabel.font.pointSize)
     }
-    
+
     menuButton.snp.makeConstraints { make in
       make.size.equalTo(titleLabel.font.pointSize)
     }
-    
+
     dropdownButton.snp.makeConstraints { make in
       make.size.equalTo(titleLabel.font.pointSize)
     }
-    
+
     // ensure center stack to be center
     leftSpacerView.snp.makeConstraints { make in
       make.width.equalTo(rightSpacerView)
     }
-    
+
     snp.makeConstraints { make in
       make.height.equalTo(52)
     }
   }
-  
+
   required init?(coder: NSCoder) {
     super.init(coder: coder)
     fatalError()
   }
-  
+
   @objc private func closeButtonTapped() {
     delegate?.mainHeaderViewDidTapClose()
   }
-  
+
   @objc private func dropdownButtonTapped() {
     delegate?.mainHeaderViewDidTapDropdown()
   }
-  
+
   @objc private func menuButtonTapped() {
     delegate?.mainHeaderViewDidTapMenu()
   }