app名称：LineInkGuide 包名：com.lineInkGuide.lineInkGuide 1.0未上传

.gitignore

@@ -0,0 +1,45 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.build/
+.buildlog/
+.history
+.svn/
+.swiftpm/
+migrate_working_dir/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+**/ios/Flutter/.last_build_id
+.dart_tool/
+.flutter-plugins-dependencies
+.pub-cache/
+.pub/
+/build/
+/coverage/
+
+# Symbolication related
+app.*.symbols
+
+# Obfuscation related
+app.*.map.json
+
+# Android Studio will place build artifacts here
+/android/app/debug
+/android/app/profile
+/android/app/release

.metadata

@@ -0,0 +1,30 @@
+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: "d693b4b9dbac2acd4477aea4555ca6dcbea44ba2"
+  channel: "stable"
+
+project_type: app
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: d693b4b9dbac2acd4477aea4555ca6dcbea44ba2
+      base_revision: d693b4b9dbac2acd4477aea4555ca6dcbea44ba2
+    - platform: ios
+      create_revision: d693b4b9dbac2acd4477aea4555ca6dcbea44ba2
+      base_revision: d693b4b9dbac2acd4477aea4555ca6dcbea44ba2
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'

README.md

@@ -0,0 +1,16 @@
+# line_ink_guide
+
+A new Flutter project.
+
+## Getting Started
+
+This project is a starting point for a Flutter application.
+
+A few resources to get you started if this is your first Flutter project:
+
+- [Lab: Write your first Flutter app](https://docs.flutter.dev/get-started/codelab)
+- [Cookbook: Useful Flutter samples](https://docs.flutter.dev/cookbook)
+
+For help getting started with Flutter development, view the
+[online documentation](https://docs.flutter.dev/), which offers tutorials,
+samples, guidance on mobile development, and a full API reference.

about.txt

@@ -0,0 +1,50 @@
+LineInkGuide - 纸感手绘物理解谜
+
+在一本翻开的“物理笔记本”上，用指尖化身墨水钢笔，画出斜坡、挡板和跳台，引导小球穿过星星、安稳落入篮筐。  
+真实重力与碰撞模拟，让每一次弹跳、滑落、翻转都充满未知；墨水却是有限的——越省墨、线路越巧妙，评分就越高。
+
+【游戏简介】
+LineInkGuide 是一款纸感手绘风的物理解谜游戏。  
+你不用复杂操作，只需画线和擦除：  
+- 规划小球的运动路线  
+- 借助关卡中的几何障碍完成二次弹跳、反弹、绕路  
+- 在有限墨水内，收集所有星星并到达终点篮筐  
+这不是速度取胜的游戏，而是“更聪明的路线设计”带来的成就感。
+
+【核心玩法】
+- 手指画线：在方格纸上任意画线，生成可交互的物理地形  
+- 真实物理：重力、摩擦、弹性等效果一应俱全，小球行为可预判但充满巧思空间  
+- 收集星星：每一关都有分布巧妙的星星，需要绕路、反弹或多段落差来取得  
+- 墨水限制：每条线都会消耗墨水，保留更多墨水通关可解锁更高星级  
+- 一键重开：线路不满意随时重来，尝试各种不同解法
+
+【关卡设计】
+- 超过 30 个精心打磨的关卡，从入门教程到高难度挑战循序渐进  
+- 前期：坡道与基础弹跳，帮助理解物理规则和画线手感  
+- 中期：迷宫式地形、圆形/三角形障碍，需要多段路线配合  
+- 后期：窄缝穿行、精准落点与多层平台，对空间想象和操作节奏有更高要求  
+- 每关都有多种解法，支持你“只要能到篮筐，就是好路线”的创意。
+
+【成就与收集】
+- 通关可获得 1–5 星评价，高星通关能解锁更多关卡与奖励  
+- 内置成就系统：首次通关、完美节墨、限时通关等多种挑战目标  
+- 收集星星可兑换小球皮肤，解锁不同颜色与表情，为你的“主角小球”换装
+
+【皮肤与外观】
+- 多套可解锁小球皮肤：可爱、简洁、炫彩等不同风格  
+- 皮肤仅改变外观，不影响数值，完全公平  
+- 所有皮肤均可通过游戏内获得的星星解锁，无需强制付费
+
+【操作与体验】
+- 单指操作，轻松上手，适合短时间游玩或长时间“钻研一关”  
+- 清爽手账风 UI 与方格纸背景，让画线、碰撞和弹跳更直观  
+- 细腻触感反馈与简洁音效，专注于解谜本身不过度打扰
+
+【适合人群】
+- 喜欢物理解谜、画线类游戏的玩家  
+- 想在通勤、睡前、排队时打发碎片时间，又不想被复杂操作打断的人  
+- 喜欢收集成就、追求完美通关和多解法挑战的玩家
+
+LineInkGuide 让你在一页页“纸上世界”中，用最简单的几笔，画出最巧妙的解法。  
+现在就打开笔记本，开始你的物理解谜之旅吧。
+

analysis_options.yaml

@@ -0,0 +1,28 @@
+# This file configures the analyzer, which statically analyzes Dart code to
+# check for errors, warnings, and lints.
+#
+# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
+# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
+# invoked from the command line by running `flutter analyze`.
+
+# The following line activates a set of recommended lints for Flutter apps,
+# packages, and plugins designed to encourage good coding practices.
+include: package:flutter_lints/flutter.yaml
+
+linter:
+  # The lint rules applied to this project can be customized in the
+  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
+  # included above or to enable additional rules. A list of all available lints
+  # and their documentation is published at https://dart.dev/lints.
+  #
+  # Instead of disabling a lint rule for the entire project in the
+  # section below, it can also be suppressed for a single line of code
+  # or a specific dart file by using the `// ignore: name_of_lint` and
+  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
+  # producing the lint.
+  rules:
+    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
+    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options

ios/.gitignore

@@ -0,0 +1,34 @@
+**/dgph
+*.mode1v3
+*.mode2v3
+*.moved-aside
+*.pbxuser
+*.perspectivev3
+**/*sync/
+.sconsign.dblite
+.tags*
+**/.vagrant/
+**/DerivedData/
+Icon?
+**/Pods/
+**/.symlinks/
+profile
+xcuserdata
+**/.generated/
+Flutter/App.framework
+Flutter/Flutter.framework
+Flutter/Flutter.podspec
+Flutter/Generated.xcconfig
+Flutter/ephemeral/
+Flutter/app.flx
+Flutter/app.zip
+Flutter/flutter_assets/
+Flutter/flutter_export_environment.sh
+ServiceDefinitions.json
+Runner/GeneratedPluginRegistrant.*
+
+# Exceptions to above rules.
+!default.mode1v3
+!default.mode2v3
+!default.pbxuser
+!default.perspectivev3

ios/Flutter/AppFrameworkInfo.plist

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>CFBundleDevelopmentRegion</key>
+  <string>en</string>
+  <key>CFBundleExecutable</key>
+  <string>App</string>
+  <key>CFBundleIdentifier</key>
+  <string>io.flutter.flutter.app</string>
+  <key>CFBundleInfoDictionaryVersion</key>
+  <string>6.0</string>
+  <key>CFBundleName</key>
+  <string>App</string>
+  <key>CFBundlePackageType</key>
+  <string>FMWK</string>
+  <key>CFBundleShortVersionString</key>
+  <string>1.0</string>
+  <key>CFBundleSignature</key>
+  <string>????</string>
+  <key>CFBundleVersion</key>
+  <string>1.0</string>
+  <key>MinimumOSVersion</key>
+  <string>13.0</string>
+</dict>
+</plist>

ios/Flutter/Debug.xcconfig

@@ -0,0 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
+#include "Generated.xcconfig"

ios/Flutter/Release.xcconfig

@@ -0,0 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
+#include "Generated.xcconfig"

ios/Podfile

@@ -0,0 +1,43 @@
+# Uncomment this line to define a global platform for your project
+platform :ios, '15.0'
+
+# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
+ENV['COCOAPODS_DISABLE_STATS'] = 'true'
+
+project 'Runner', {
+  'Debug' => :debug,
+  'Profile' => :release,
+  'Release' => :release,
+}
+
+def flutter_root
+  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__)
+  unless File.exist?(generated_xcode_build_settings_path)
+    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first"
+  end
+
+  File.foreach(generated_xcode_build_settings_path) do |line|
+    matches = line.match(/FLUTTER_ROOT\=(.*)/)
+    return matches[1].strip if matches
+  end
+  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get"
+end
+
+require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
+
+flutter_ios_podfile_setup
+
+target 'Runner' do
+  use_frameworks!
+
+  flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
+  target 'RunnerTests' do
+    inherit! :search_paths
+  end
+end
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    flutter_additional_ios_build_settings(target)
+  end
+end

ios/Podfile.lock

@@ -0,0 +1,42 @@
+PODS:
+  - Flutter (1.0.0)
+  - path_provider_foundation (0.0.1):
+    - Flutter
+    - FlutterMacOS
+  - share_plus (0.0.1):
+    - Flutter
+  - shared_preferences_foundation (0.0.1):
+    - Flutter
+    - FlutterMacOS
+  - url_launcher_ios (0.0.1):
+    - Flutter
+
+DEPENDENCIES:
+  - Flutter (from `Flutter`)
+  - path_provider_foundation (from `.symlinks/plugins/path_provider_foundation/darwin`)
+  - share_plus (from `.symlinks/plugins/share_plus/ios`)
+  - shared_preferences_foundation (from `.symlinks/plugins/shared_preferences_foundation/darwin`)
+  - url_launcher_ios (from `.symlinks/plugins/url_launcher_ios/ios`)
+
+EXTERNAL SOURCES:
+  Flutter:
+    :path: Flutter
+  path_provider_foundation:
+    :path: ".symlinks/plugins/path_provider_foundation/darwin"
+  share_plus:
+    :path: ".symlinks/plugins/share_plus/ios"
+  shared_preferences_foundation:
+    :path: ".symlinks/plugins/shared_preferences_foundation/darwin"
+  url_launcher_ios:
+    :path: ".symlinks/plugins/url_launcher_ios/ios"
+
+SPEC CHECKSUMS:
+  Flutter: cabc95a1d2626b1b06e7179b784ebcf0c0cde467
+  path_provider_foundation: bb55f6dbba17d0dccd6737fe6f7f34fbd0376880
+  share_plus: 50da8cb520a8f0f65671c6c6a99b3617ed10a58a
+  shared_preferences_foundation: 7036424c3d8ec98dfe75ff1667cb0cd531ec82bb
+  url_launcher_ios: 7a95fa5b60cc718a708b8f2966718e93db0cef1b
+
+PODFILE CHECKSUM: 53a6aebc29ccee84c41f92f409fc20cd4ca011f1
+
+COCOAPODS: 1.16.2

ios/Runner.xcodeproj/project.pbxproj

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+			proxyType = 1;
+			remoteGlobalIDString = 97C146ED1CF9000F007C117D;
+			remoteInfo = Runner;
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+/* End PBXContainerItemProxy section */
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+			dstSubfolderSpec = 10;
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+				);
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				MTL_ENABLE_DEBUG_INFO = YES;
+				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Debug;
+		};
+		97C147041CF9000F007C117D /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				ASSETCATALOG_COMPILER_GENERATE_SWIFT_ASSET_SYMBOL_EXTENSIONS = YES;
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				ENABLE_NS_ASSERTIONS = NO;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = NO;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				SDKROOT = iphoneos;
+				SUPPORTED_PLATFORMS = iphoneos;
+				SWIFT_COMPILATION_MODE = wholemodule;
+				SWIFT_OPTIMIZATION_LEVEL = "-O";
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VALIDATE_PRODUCT = YES;
+			};
+			name = Release;
+		};
+		97C147061CF9000F007C117D /* Debug */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 9740EEB21CF90195004384FC /* Debug.xcconfig */;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_STYLE = Manual;
+				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
+				DEVELOPMENT_TEAM = "";
+				"DEVELOPMENT_TEAM[sdk=iphoneos*]" = 7223AXXDS7;
+				ENABLE_BITCODE = NO;
+				INFOPLIST_FILE = Runner/Info.plist;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
+				PRODUCT_BUNDLE_IDENTIFIER = com.quickcoloring.quickcoloring;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE_SPECIFIER = "";
+				"PROVISIONING_PROFILE_SPECIFIER[sdk=iphoneos*]" = devvzl;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
+				SUPPORTS_MACCATALYST = NO;
+				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
+				SUPPORTS_XR_DESIGNED_FOR_IPHONE_IPAD = NO;
+				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = 1;
+				VERSIONING_SYSTEM = "apple-generic";
+			};
+			name = Debug;
+		};
+		97C147071CF9000F007C117D /* Release */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_STYLE = Manual;
+				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
+				DEVELOPMENT_TEAM = "";
+				"DEVELOPMENT_TEAM[sdk=iphoneos*]" = 7223AXXDS7;
+				ENABLE_BITCODE = NO;
+				INFOPLIST_FILE = Runner/Info.plist;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
+				PRODUCT_BUNDLE_IDENTIFIER = com.quickcoloring.quickcoloring;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE_SPECIFIER = "";
+				"PROVISIONING_PROFILE_SPECIFIER[sdk=iphoneos*]" = devvzl;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
+				SUPPORTS_MACCATALYST = NO;
+				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
+				SUPPORTS_XR_DESIGNED_FOR_IPHONE_IPAD = NO;
+				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = 1;
+				VERSIONING_SYSTEM = "apple-generic";
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		331C8087294A63A400263BE5 /* Build configuration list for PBXNativeTarget "RunnerTests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				331C8088294A63A400263BE5 /* Debug */,
+				331C8089294A63A400263BE5 /* Release */,
+				331C808A294A63A400263BE5 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		97C146E91CF9000F007C117D /* Build configuration list for PBXProject "Runner" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				97C147031CF9000F007C117D /* Debug */,
+				97C147041CF9000F007C117D /* Release */,
+				249021D3217E4FDB00AE95B9 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		97C147051CF9000F007C117D /* Build configuration list for PBXNativeTarget "Runner" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				97C147061CF9000F007C117D /* Debug */,
+				97C147071CF9000F007C117D /* Release */,
+				249021D4217E4FDB00AE95B9 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 97C146E61CF9000F007C117D /* Project object */;
+}

ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>

ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>PreviewsEnabled</key>
+	<false/>
+</dict>
+</plist>

ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme

@@ -0,0 +1,101 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1510"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+               BuildableName = "Runner.app"
+               BlueprintName = "Runner"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      customLLDBInitFile = "$(SRCROOT)/Flutter/ephemeral/flutter_lldbinit"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <Testables>
+         <TestableReference
+            skipped = "NO"
+            parallelizable = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "331C8080294A63A400263BE5"
+               BuildableName = "RunnerTests.xctest"
+               BlueprintName = "RunnerTests"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      customLLDBInitFile = "$(SRCROOT)/Flutter/ephemeral/flutter_lldbinit"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      enableGPUValidationMode = "1"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Profile"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

ios/Runner.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:Runner.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "group:Pods/Pods.xcodeproj">
+   </FileRef>
+</Workspace>

ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>PreviewsEnabled</key>
+	<false/>
+</dict>
+</plist>

ios/Runner/AppDelegate.swift

@@ -0,0 +1,13 @@
+import Flutter
+import UIKit
+
+@main
+@objc class AppDelegate: FlutterAppDelegate {
+  override func application(
+    _ application: UIApplication,
+    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
+  ) -> Bool {
+    GeneratedPluginRegistrant.register(with: self)
+    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
+  }
+}

ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,122 @@
+{
+  "images" : [
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-20x20@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-20x20@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-60x60@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-60x60@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-20x20@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-20x20@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-29x29@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-40x40@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-40x40@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-76x76@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-76x76@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "83.5x83.5",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-83.5x83.5@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "1024x1024",
+      "idiom" : "ios-marketing",
+      "filename" : "Icon-App-1024x1024@1x.png",
+      "scale" : "1x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json

@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md

@@ -0,0 +1,5 @@
+# Launch Screen Assets
+
+You can customize the launch screen with your own desired assets by replacing the image files in this directory.
+
+You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images.

ios/Runner/Base.lproj/LaunchScreen.storyboard

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12121" systemVersion="16G29" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12089"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="Ydg-fD-yQy"/>
+                        <viewControllerLayoutGuide type="bottom" id="xbc-2k-c8Z"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
+                            </imageView>
+                        </subviews>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <constraints>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="1a2-6s-vTC"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="4X2-HB-R7a"/>
+                        </constraints>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+    <resources>
+        <image name="LaunchImage" width="168" height="185"/>
+    </resources>
+</document>

ios/Runner/Base.lproj/Main.storyboard

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
+    </dependencies>
+    <scenes>
+        <!--Flutter View Controller-->
+        <scene sceneID="tne-QT-ifu">
+            <objects>
+                <viewController id="BYZ-38-t0r" customClass="FlutterViewController" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
+                        <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
+            </objects>
+        </scene>
+    </scenes>
+</document>

ios/Runner/Info.plist

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CADisableMinimumFrameDurationOnPhone</key>
+	<true/>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleDisplayName</key>
+	<string>LineInkGuide</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>line_ink_guide</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UIApplicationSupportsIndirectInputEvents</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIMainStoryboardFile</key>
+	<string>Main</string>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+	</array>
+</dict>
+</plist>

ios/Runner/Runner-Bridging-Header.h

@@ -0,0 +1 @@
+#import "GeneratedPluginRegistrant.h"

ios/RunnerTests/RunnerTests.swift

@@ -0,0 +1,12 @@
+import Flutter
+import UIKit
+import XCTest
+
+class RunnerTests: XCTestCase {
+
+  func testExample() {
+    // If you add code to the Runner application, consider adding tests here.
+    // See https://developer.apple.com/documentation/xctest for more information about using XCTest.
+  }
+
+}

lib/app_theme.dart

@@ -0,0 +1,94 @@
+import 'package:flutter/material.dart';
+import 'managers.dart';
+
+// --- Global Theme ---
+class AppTheme {
+  static const Color paperBg = Color(0xFFFAF9F6);
+  static const Color gridLine = Color(0xFFE5E4E2);
+  static const Color inkPrimary = Color(0xFF2D3436);
+  static const Color accentRed = Color(0xFFE17055);
+  static const Color accentYellow = Color(0xFFF1C40F);
+  static const Color accentGreen = Color(0xFF27AE60);
+  static const Color obstacleColor = Color(0xFF636E72);
+}
+
+// --- Skin Themes ---
+class SkinThemeData {
+  final String id;
+  final String name;
+  final int cost; // 星星价格
+  final Color ballColor;
+  final Color eyeColor;
+  final Color inkColor;
+
+  const SkinThemeData({
+    required this.id,
+    required this.name,
+    required this.cost,
+    required this.ballColor,
+    required this.eyeColor,
+    required this.inkColor,
+  });
+}
+
+class SkinManager {
+  static const List<SkinThemeData> skins = [
+    SkinThemeData(
+      id: 'classic',
+      name: 'Classic Paper',
+      cost: 0,
+      ballColor: AppTheme.accentRed,
+      eyeColor: Colors.white,
+      inkColor: AppTheme.inkPrimary,
+    ),
+    SkinThemeData(
+      id: 'ocean',
+      name: 'Ocean Blue',
+      cost: 20,
+      ballColor: Color(0xFF0984E3),
+      eyeColor: Color(0xFFE3F2FD),
+      inkColor: Color(0xFF0D47A1),
+    ),
+    SkinThemeData(
+      id: 'forest',
+      name: 'Forest Green',
+      cost: 20,
+      ballColor: Color(0xFF00B894),
+      eyeColor: Color(0xFFE8F5E9),
+      inkColor: Color(0xFF1B5E20),
+    ),
+    SkinThemeData(
+      id: 'sunset',
+      name: 'Sunset Orange',
+      cost: 25,
+      ballColor: Color(0xFFFF7675),
+      eyeColor: Color(0xFFFFF3E0),
+      inkColor: Color(0xFFE65100),
+    ),
+    SkinThemeData(
+      id: 'neon',
+      name: 'Neon Night',
+      cost: 30,
+      ballColor: Color(0xFF6C5CE7),
+      eyeColor: Color(0xFFF3E5F5),
+      inkColor: Color(0xFF00E5FF),
+    ),
+    SkinThemeData(
+      id: 'shadow',
+      name: 'Shadow Black',
+      cost: 35,
+      ballColor: Color(0xFF2D3436),
+      eyeColor: Color(0xFFB0BEC5),
+      inkColor: Color(0xFF000000),
+    ),
+  ];
+
+  static SkinThemeData get current {
+    final id = LevelManager.instance.selectedSkinId;
+    return skins.firstWhere((s) => s.id == id, orElse: () => skins.first);
+  }
+
+  static SkinThemeData byId(String id) {
+    return skins.firstWhere((s) => s.id == id, orElse: () => skins.first);
+  }
+}

lib/game_components.dart

@@ -0,0 +1,395 @@
+import 'dart:math' as math;
+import 'dart:ui';
+import 'package:flutter/material.dart';
+import 'package:flame/components.dart';
+import 'package:flame_forge2d/flame_forge2d.dart';
+import 'app_theme.dart';
+import 'levels.dart';
+import 'managers.dart';
+import 'game_engine.dart';
+
+// --- Game Components ---
+class Ball extends BodyComponent<LineInkGuideGame> with ContactCallbacks {
+  final Vector2 start;
+  Ball(this.start) : super(priority: 10);
+
+  @override
+  Body createBody() {
+    final shape = CircleShape()..radius = 0.6;
+    final body =
+        world.createBody(
+          BodyDef(type: BodyType.dynamic, position: start, bullet: true),
+        )..createFixture(
+          FixtureDef(shape, friction: 0.3, restitution: 0.4, density: 1.0),
+        );
+    body.userData = this; // FIXED: Set userData on the body
+    return body;
+  }
+
+  @override
+  void render(Canvas canvas) {
+    final skin = SkinManager.current;
+    canvas.drawCircle(Offset.zero, 0.6, Paint()..color = skin.ballColor);
+    canvas.drawCircle(
+      const Offset(-0.15, -0.15),
+      0.15,
+      Paint()..color = skin.eyeColor,
+    );
+  }
+
+  @override
+  void update(double dt) {
+    super.update(dt);
+    // 如果小球掉出关卡范围，则通知游戏失败
+    final pos = body.position;
+    if (game.simulating &&
+        (pos.y > 65 || pos.y < -5 || pos.x < -5 || pos.x > 25)) {
+      game.onBallOutOfBounds();
+    }
+  }
+}
+
+class Star extends BodyComponent<LineInkGuideGame> with ContactCallbacks {
+  final Vector2 pos;
+  bool hit = false;
+  Star(this.pos) : super(priority: 5);
+
+  @override
+  Body createBody() {
+    final body = world.createBody(BodyDef(type: BodyType.static, position: pos))
+      ..createFixture(FixtureDef(CircleShape()..radius = 0.8, isSensor: true));
+    body.userData = this; // FIXED: Set userData on the body
+    return body;
+  }
+
+  @override
+  void beginContact(Object other, Contact contact) {
+    if (other is Ball && !hit) {
+      hit = true;
+      game.collected++;
+      game.starCountNotifier.value = game.collected;
+      removeFromParent();
+    }
+  }
+
+  @override
+  void render(Canvas canvas) {
+    final paint = Paint()..color = AppTheme.accentYellow;
+    final path = Path();
+    const int points = 5;
+    const double innerRadius = 0.3;
+    const double outerRadius = 0.7;
+    const double step = math.pi / points;
+
+    for (int i = 0; i < 2 * points; i++) {
+      double radius = (i % 2 == 0) ? outerRadius : innerRadius;
+      double angle = i * step - math.pi / 2;
+      double x = math.cos(angle) * radius;
+      double y = math.sin(angle) * radius;
+      if (i == 0)
+        path.moveTo(x, y);
+      else
+        path.lineTo(x, y);
+    }
+    path.close();
+    canvas.drawPath(path, paint);
+  }
+}
+
+class Goal extends BodyComponent<LineInkGuideGame> with ContactCallbacks {
+  final Vector2 pos;
+  Goal(this.pos) : super(priority: 4);
+
+  @override
+  Body createBody() {
+    final body = world.createBody(
+      BodyDef(type: BodyType.static, position: pos),
+    );
+    // 创建物理碰撞体，让小球可以停在上面
+    body.createFixture(
+      FixtureDef(
+        PolygonShape()..setAsBoxXY(2.4, 0.6),
+        friction: 0.6,
+        restitution: 0.3,
+      ),
+    );
+    // 创建一个sensor用于检测小球接触（用于通关判断）
+    body.createFixture(
+      FixtureDef(PolygonShape()..setAsBoxXY(2.4, 0.6), isSensor: true),
+    );
+    body.userData = this; // FIXED: Set userData on the body
+    return body;
+  }
+
+  @override
+  void beginContact(Object other, Contact contact) {
+    if (other is! Ball) return;
+
+    if (game.collected >= game.config.stars.length &&
+        game.winNotifier.value == null) {
+      final r = game.inkNotifier.value / game.config.ink;
+      final s = (r > 0.9)
+          ? 5
+          : (r > 0.7)
+          ? 4
+          : (r > 0.5)
+          ? 3
+          : (r > 0.25)
+          ? 2
+          : 1;
+      final clearTime = game.currentRunDuration;
+      final manager = LevelManager.instance;
+      manager.saveProgress(game.config.id, s, levels.length);
+      final unlocked = manager.unlockAchievementsForWin(
+        levelId: game.config.id,
+        stars: s,
+        clearTime: clearTime,
+      );
+      if (unlocked.isNotEmpty) {
+        game.notifyAchievement(unlocked.first);
+      }
+      game.simulating = false;
+      game.winNotifier.value = s;
+    }
+  }
+
+  @override
+  void render(Canvas canvas) {
+    bool ready = game.starCountNotifier.value >= game.config.stars.length;
+
+    // 绘制一个更美观的篮子样式
+    final baseColor = ready ? AppTheme.accentGreen : AppTheme.gridLine;
+    final highlightColor = ready
+        ? Color.lerp(AppTheme.accentGreen, Colors.white, 0.3)!
+        : AppTheme.gridLine.withOpacity(0.5);
+
+    // 篮子主体（带圆角的矩形）
+    final basketRect = Rect.fromCenter(
+      center: Offset.zero,
+      width: 4.8,
+      height: 1.2,
+    );
+    final basketPaint = Paint()
+      ..color = baseColor
+      ..style = PaintingStyle.fill;
+    canvas.drawRRect(
+      RRect.fromRectAndRadius(basketRect, const Radius.circular(0.3)),
+      basketPaint,
+    );
+
+    // 篮子边框
+    final borderPaint = Paint()
+      ..color = baseColor.withOpacity(0.8)
+      ..style = PaintingStyle.stroke
+      ..strokeWidth = 0.15;
+    canvas.drawRRect(
+      RRect.fromRectAndRadius(basketRect, const Radius.circular(0.3)),
+      borderPaint,
+    );
+
+    // 篮子内部线条（模拟篮子纹理）
+    final innerPaint = Paint()
+      ..color = highlightColor
+      ..style = PaintingStyle.stroke
+      ..strokeWidth = 0.08;
+    canvas.drawLine(
+      const Offset(-2.1, -0.3),
+      const Offset(2.1, -0.3),
+      innerPaint,
+    );
+    canvas.drawLine(const Offset(-2.1, 0), const Offset(2.1, 0), innerPaint);
+    canvas.drawLine(
+      const Offset(-2.1, 0.3),
+      const Offset(2.1, 0.3),
+      innerPaint,
+    );
+
+    // 如果未准备好，添加一个锁的图标
+    if (!ready) {
+      final lockPaint = Paint()
+        ..color = AppTheme.gridLine
+        ..style = PaintingStyle.stroke
+        ..strokeWidth = 0.12;
+      // 简单的锁图标
+      canvas.drawRect(
+        Rect.fromCenter(center: const Offset(0, 0.1), width: 0.4, height: 0.3),
+        lockPaint,
+      );
+      canvas.drawCircle(const Offset(0, -0.05), 0.15, lockPaint);
+    }
+  }
+}
+
+class UserLine extends BodyComponent {
+  final List<Vector2> pts;
+  UserLine(this.pts) : super(priority: 8);
+  @override
+  Body createBody() {
+    final body = world.createBody(BodyDef(type: BodyType.static));
+    for (int i = 0; i < pts.length - 1; i++) {
+      body.createFixture(
+        FixtureDef(EdgeShape()..set(pts[i], pts[i + 1]), friction: 0.6),
+      );
+    }
+    return body;
+  }
+
+  @override
+  void render(Canvas canvas) {
+    final skin = SkinManager.current;
+    final p = Paint()
+      ..color = skin.inkColor
+      ..strokeWidth = 0.25
+      ..strokeCap = StrokeCap.round
+      ..style = PaintingStyle.stroke;
+    final path = Path()..moveTo(pts.first.x, pts.first.y);
+    for (var pt in pts) path.lineTo(pt.x, pt.y);
+    canvas.drawPath(path, p);
+  }
+}
+
+class Block extends BodyComponent {
+  final BlockShape shape;
+
+  Block(this.shape) : super(priority: 3);
+
+  Block.fromRect(Rect r) : shape = BlockShape.fromRect(r), super(priority: 3);
+
+  @override
+  Body createBody() {
+    final body = world.createBody(
+      BodyDef(
+        type: BodyType.static,
+        position: shape.position,
+        angle: shape.rotation,
+      ),
+    );
+
+    switch (shape.type) {
+      case BlockShapeType.rectangle:
+        final s = PolygonShape()
+          ..setAsBox(
+            shape.width / 2,
+            shape.height / 2,
+            Vector2.zero(),
+            0, // 旋转已经在 body 角度中处理
+          );
+        body.createFixture(FixtureDef(s, friction: 0.6, restitution: 0.3));
+        break;
+      case BlockShapeType.triangle:
+        // 创建三角形：顶点向上
+        final vertices = [
+          Vector2(0, -shape.height / 2), // 顶部
+          Vector2(-shape.width / 2, shape.height / 2), // 左下
+          Vector2(shape.width / 2, shape.height / 2), // 右下
+        ];
+        final s = PolygonShape()..set(vertices);
+        body.createFixture(FixtureDef(s, friction: 0.6, restitution: 0.3));
+        break;
+      case BlockShapeType.circle:
+        if (shape.radius == null) break;
+        final s = CircleShape()..radius = shape.radius!;
+        body.createFixture(FixtureDef(s, friction: 0.6, restitution: 0.3));
+        break;
+    }
+
+    return body;
+  }
+
+  @override
+  void render(Canvas canvas) {
+    // BodyComponent 的 render 方法会自动将 canvas 变换到 body 的位置和角度
+    // 所以直接使用 Offset.zero 作为中心点即可
+    // 填充颜色
+    final fillPaint = Paint()
+      ..color = AppTheme.obstacleColor
+      ..style = PaintingStyle.fill;
+
+    // 边框颜色（稍深一点）
+    final borderPaint = Paint()
+      ..color = AppTheme.obstacleColor.withOpacity(0.8)
+      ..style = PaintingStyle.stroke
+      ..strokeWidth = 0.1;
+
+    switch (shape.type) {
+      case BlockShapeType.rectangle:
+        final rect = Rect.fromCenter(
+          center: Offset.zero,
+          width: shape.width,
+          height: shape.height,
+        );
+        canvas.drawRect(rect, fillPaint);
+        canvas.drawRect(rect, borderPaint);
+        break;
+      case BlockShapeType.triangle:
+        final path = Path()
+          ..moveTo(0, -shape.height / 2)
+          ..lineTo(-shape.width / 2, shape.height / 2)
+          ..lineTo(shape.width / 2, shape.height / 2)
+          ..close();
+        canvas.drawPath(path, fillPaint);
+        canvas.drawPath(path, borderPaint);
+        break;
+      case BlockShapeType.circle:
+        if (shape.radius == null) break;
+        canvas.drawCircle(Offset.zero, shape.radius!, fillPaint);
+        canvas.drawCircle(Offset.zero, shape.radius!, borderPaint);
+        break;
+    }
+  }
+}
+
+class Boundary extends BodyComponent {
+  final Vector2 a, b;
+  Boundary(this.a, this.b);
+  @override
+  Body createBody() =>
+      world.createBody(BodyDef(type: BodyType.static))
+        ..createFixture(FixtureDef(EdgeShape()..set(a, b)));
+}
+
+class DrawingPreview extends Component {
+  final List<Vector2> pts;
+  DrawingPreview(this.pts);
+  @override
+  void render(Canvas canvas) {
+    if (pts.length < 2) return;
+    final skin = SkinManager.current;
+    final p = Paint()
+      ..color = skin.inkColor.withOpacity(0.3)
+      ..strokeWidth = 0.2
+      ..style = PaintingStyle.stroke;
+    final path = Path()..moveTo(pts.first.x, pts.first.y);
+    for (var pt in pts) path.lineTo(pt.x, pt.y);
+    canvas.drawPath(path, p);
+  }
+}
+
+class BackgroundGrid extends Component {
+  @override
+  void render(Canvas canvas) {
+    final gridPaint = Paint()
+      ..color = AppTheme.gridLine
+      ..strokeWidth = 0.05;
+    for (double i = 0; i <= 20; i += 2)
+      canvas.drawLine(Offset(i, 0), Offset(i, 60), gridPaint);
+    for (double i = 0; i <= 60; i += 2)
+      canvas.drawLine(Offset(0, i), Offset(20, i), gridPaint);
+  }
+}
+
+class GridPainter extends CustomPainter {
+  @override
+  void paint(Canvas canvas, Size s) {
+    final p = Paint()
+      ..color = AppTheme.gridLine
+      ..strokeWidth = 1;
+    for (double i = 0; i < s.width; i += 32)
+      canvas.drawLine(Offset(i, 0), Offset(i, s.height), p);
+    for (double i = 0; i < s.height; i += 32)
+      canvas.drawLine(Offset(0, i), Offset(s.width, i), p);
+  }
+
+  @override
+  bool shouldRepaint(covariant CustomPainter old) => false;
+}

lib/game_engine.dart

@@ -0,0 +1,215 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:flame/game.dart';
+import 'package:flame/components.dart' hide Block;
+import 'package:flame/events.dart';
+import 'package:flame_forge2d/flame_forge2d.dart';
+import 'app_theme.dart';
+import 'levels.dart';
+import 'managers.dart';
+import 'game_components.dart';
+
+// --- Physics Engine ---
+class LineInkGuideGame extends Forge2DGame with DragCallbacks {
+  final LevelConfig config;
+  final ValueNotifier<double> inkNotifier = ValueNotifier(0);
+  final ValueNotifier<int> starCountNotifier = ValueNotifier(0);
+  final ValueNotifier<int?> winNotifier = ValueNotifier(null);
+  final ValueNotifier<bool> failNotifier = ValueNotifier(false);
+  final ValueNotifier<AchievementDef?> achievementNotifier = ValueNotifier(
+    null,
+  );
+
+  final List<Vector2> _drawPoints = [];
+  DrawingPreview? _preview;
+  bool _simulating = false;
+  int _collected = 0;
+  DateTime? _runStartTime;
+
+  // 公共访问器，供组件使用
+  int get collected => _collected;
+  set collected(int value) => _collected = value;
+  bool get simulating => _simulating;
+  set simulating(bool value) => _simulating = value;
+
+  LineInkGuideGame({required this.config}) : super(gravity: Vector2(0, 0));
+
+  @override
+  Color backgroundColor() => AppTheme.paperBg;
+
+  Ball? _ball;
+  List<Star> _stars = [];
+  Goal? _goal;
+  List<Block> _blocks = [];
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+    camera.viewfinder.anchor = Anchor.topLeft;
+    _updateZoom();
+    _initializeLevel();
+  }
+
+  void _initializeLevel() {
+    world.removeAll(world.children);
+    world.add(BackgroundGrid());
+
+    // Add Entities
+    _ball = Ball(config.ballPos);
+    world.add(_ball!);
+    _stars.clear();
+    for (var sPos in config.stars) {
+      final star = Star(sPos);
+      _stars.add(star);
+      world.add(star);
+    }
+    _goal = Goal(config.goalPos);
+    world.add(_goal!);
+    _blocks.clear();
+    for (var blockShape in config.blocks) {
+      final block = Block(blockShape);
+      _blocks.add(block);
+      world.add(block);
+    }
+
+    // Borders
+    world.add(Boundary(Vector2(0, 0), Vector2(20, 0)));
+    world.add(Boundary(Vector2(0, 0), Vector2(0, 60)));
+    world.add(Boundary(Vector2(20, 0), Vector2(20, 60)));
+
+    // 初始化状态
+    _simulating = false;
+    _collected = 0;
+    starCountNotifier.value = 0;
+    inkNotifier.value = config.ink;
+    winNotifier.value = null;
+    failNotifier.value = false;
+    _runStartTime = null;
+    _drawPoints.clear();
+    world.gravity = Vector2(0, 0);
+  }
+
+  void _updateZoom() {
+    camera.viewfinder.zoom = size.x / 20;
+  }
+
+  @override
+  void onGameResize(Vector2 size) {
+    super.onGameResize(size);
+    _updateZoom();
+  }
+
+  void resetLevel() {
+    _simulating = false;
+    _collected = 0;
+    starCountNotifier.value = 0;
+    inkNotifier.value = config.ink;
+    winNotifier.value = null;
+    failNotifier.value = false;
+    _runStartTime = null;
+    _drawPoints.clear();
+
+    // 停止重力
+    world.gravity = Vector2(0, 0);
+    _preview?.removeFromParent();
+
+    // 移除所有用户绘制的线条
+    final linesToRemove = <UserLine>[];
+    for (var child in world.children) {
+      if (child is UserLine) {
+        linesToRemove.add(child);
+      }
+    }
+    for (var line in linesToRemove) {
+      line.removeFromParent();
+    }
+
+    // 重置小球位置和速度
+    if (_ball != null && _ball!.isMounted) {
+      _ball!.body.setTransform(config.ballPos, 0);
+      _ball!.body.linearVelocity = Vector2.zero();
+      _ball!.body.angularVelocity = 0;
+    }
+
+    // 移除所有现有星星并重新添加
+    final starsToRemove = <Star>[];
+    for (var child in world.children) {
+      if (child is Star) {
+        starsToRemove.add(child);
+      }
+    }
+    for (var star in starsToRemove) {
+      star.removeFromParent();
+    }
+
+    // 重新添加所有星星
+    _stars.clear();
+    for (var sPos in config.stars) {
+      final star = Star(sPos);
+      _stars.add(star);
+      world.add(star);
+    }
+  }
+
+  void startSimulation() {
+    if (_simulating) return;
+    if (winNotifier.value != null || failNotifier.value) return;
+    _simulating = true;
+    world.gravity = Vector2(0, 32);
+    _preview?.removeFromParent();
+    _runStartTime = DateTime.now();
+  }
+
+  @override
+  void onDragStart(DragStartEvent event) {
+    super.onDragStart(event);
+    if (_simulating || inkNotifier.value <= 0) return;
+    _drawPoints.clear();
+    _drawPoints.add(screenToWorld(event.localPosition));
+    world.add(_preview = DrawingPreview(_drawPoints));
+  }
+
+  @override
+  void onDragUpdate(DragUpdateEvent event) {
+    super.onDragUpdate(event);
+    if (_simulating || inkNotifier.value <= 0) return;
+    final p = screenToWorld(event.localEndPosition);
+    if (_drawPoints.isEmpty) return;
+    double d = (p - _drawPoints.last).length;
+    if (d > 0.25 && inkNotifier.value - (d * 10) > 0) {
+      _drawPoints.add(p);
+      inkNotifier.value -= d * 10;
+    }
+  }
+
+  @override
+  void onDragEnd(DragEndEvent event) {
+    super.onDragEnd(event);
+    _preview?.removeFromParent();
+    if (_drawPoints.length > 1) world.add(UserLine(List.from(_drawPoints)));
+    _drawPoints.clear();
+  }
+
+  bool get isSimulating => simulating;
+
+  Duration? get currentRunDuration =>
+      _runStartTime == null ? null : DateTime.now().difference(_runStartTime!);
+
+  void onBallOutOfBounds() {
+    if (!_simulating || winNotifier.value != null || failNotifier.value) {
+      return;
+    }
+    _simulating = false;
+    failNotifier.value = true;
+    _runStartTime = null;
+  }
+
+  void notifyAchievement(AchievementDef def) {
+    achievementNotifier.value = def;
+    Future.delayed(const Duration(seconds: 2), () {
+      if (achievementNotifier.value == def) {
+        achievementNotifier.value = null;
+      }
+    });
+  }
+}

lib/levels.dart

@@ -0,0 +1,607 @@
+import 'dart:ui';
+import 'package:flame/components.dart';
+
+// --- Level Data Models ---
+enum BlockShapeType { rectangle, triangle, circle }
+
+class BlockShape {
+  final BlockShapeType type;
+  final Vector2 position;
+  final double width;
+  final double height;
+  final double? radius; // 用于圆形
+  final double rotation; // 旋转角度（弧度）
+
+  BlockShape.rectangle(
+    this.position,
+    this.width,
+    this.height, {
+    this.rotation = 0,
+  }) : type = BlockShapeType.rectangle,
+       radius = null;
+
+  BlockShape.triangle(
+    this.position,
+    this.width,
+    this.height, {
+    this.rotation = 0,
+  }) : type = BlockShapeType.triangle,
+       radius = null;
+
+  BlockShape.circle(this.position, double radiusValue)
+    : type = BlockShapeType.circle,
+      radius = radiusValue,
+      width = radiusValue * 2,
+      height = radiusValue * 2,
+      rotation = 0;
+
+  // 兼容旧的 Rect 格式
+  BlockShape.fromRect(Rect rect)
+    : type = BlockShapeType.rectangle,
+      position = Vector2(rect.center.dx, rect.center.dy),
+      width = rect.width,
+      height = rect.height,
+      radius = null,
+      rotation = 0;
+}
+
+class LevelConfig {
+  final int id;
+  final Vector2 ballPos;
+  final List<Vector2> stars;
+  final Vector2 goalPos;
+  final double ink;
+  final List<BlockShape> blocks;
+
+  LevelConfig({
+    required this.id,
+    required this.ballPos,
+    required this.stars,
+    required this.goalPos,
+    required this.ink,
+    this.blocks = const [],
+  });
+
+  // 兼容旧的 Rect 列表
+  LevelConfig.fromRects({
+    required this.id,
+    required this.ballPos,
+    required this.stars,
+    required this.goalPos,
+    required this.ink,
+    List<Rect> blocks = const [],
+  }) : blocks = blocks.map((r) => BlockShape.fromRect(r)).toList();
+}
+
+// --- Level Definitions ---
+// Hand-crafted themed levels
+// 1–3: slope-style levels
+// 4–6: bounce-focused layouts
+// 7–9: multi-layer maze platforms
+// 10–12: narrow-gap precision levels
+final List<LevelConfig> levels = [
+  // 1-6: 基础阶段
+  LevelConfig(
+    id: 1,
+    ballPos: Vector2(3, 5),
+    stars: [Vector2(9, 18)],
+    goalPos: Vector2(10, 38),
+    ink: 650,
+    blocks: [],
+  ),
+
+  LevelConfig(
+    id: 2,
+    ballPos: Vector2(4, 10),
+    stars: [Vector2(9, 18), Vector2(13, 24)],
+    goalPos: Vector2(16, 38),
+    ink: 700,
+    blocks: [
+      BlockShape.triangle(Vector2(4.5, 22), 5, 1.2),
+      BlockShape.triangle(Vector2(11.5, 26), 5, 1.2),
+    ],
+  ),
+
+  LevelConfig(
+    id: 3,
+    ballPos: Vector2(3, 8),
+    stars: [Vector2(5, 18), Vector2(11, 24), Vector2(15, 30)],
+    goalPos: Vector2(17, 39),
+    ink: 750,
+    blocks: [
+      BlockShape.rectangle(Vector2(3, 20), 4, 1.2),
+      BlockShape.circle(Vector2(11, 26), 1),
+      BlockShape.triangle(Vector2(10, 32), 6, 1.2),
+    ],
+  ),
+
+  LevelConfig(
+    id: 4,
+    ballPos: Vector2(4, 10),
+    stars: [Vector2(6, 17), Vector2(10, 22)],
+    goalPos: Vector2(14, 37),
+    ink: 750,
+    blocks: [
+      BlockShape.rectangle(Vector2(8, 19), 12, 0.6),
+      BlockShape.rectangle(Vector2(8, 26), 12, 0.6),
+    ],
+  ),
+
+  LevelConfig(
+    id: 5,
+    ballPos: Vector2(5, 8),
+    stars: [Vector2(6, 16), Vector2(6, 24), Vector2(6, 30)],
+    goalPos: Vector2(14, 37),
+    ink: 800,
+    blocks: [
+      BlockShape.triangle(Vector2(4, 20), 4, 0.8),
+      BlockShape.triangle(Vector2(4, 28), 4, 0.8),
+      BlockShape.rectangle(Vector2(13, 30), 6, 0.8),
+    ],
+  ),
+
+  LevelConfig(
+    id: 6,
+    ballPos: Vector2(4, 8),
+    stars: [Vector2(6, 18), Vector2(14, 20)],
+    goalPos: Vector2(10, 38),
+    ink: 820,
+    blocks: [
+      BlockShape.circle(Vector2(3.25, 24), 1.25),
+      BlockShape.circle(Vector2(16.75, 24), 1.25),
+      BlockShape.rectangle(Vector2(9, 28), 10, 0.8),
+    ],
+  ),
+
+  // 7-12: 进阶阶段
+  LevelConfig(
+    id: 7,
+    ballPos: Vector2(3, 8),
+    stars: [Vector2(8, 15), Vector2(12, 24)],
+    goalPos: Vector2(16, 37),
+    ink: 850,
+    blocks: [
+      BlockShape.rectangle(Vector2(5.5, 17), 7, 0.8),
+      BlockShape.triangle(Vector2(11.5, 22), 7, 0.8),
+      BlockShape.rectangle(Vector2(5.5, 28), 7, 0.8),
+      BlockShape.circle(Vector2(15, 21), 0.75),
+    ],
+  ),
+
+  LevelConfig(
+    id: 8,
+    ballPos: Vector2(4, 10),
+    stars: [Vector2(6, 20), Vector2(12, 22), Vector2(16, 26)],
+    goalPos: Vector2(10, 39),
+    ink: 900,
+    blocks: [
+      BlockShape.rectangle(Vector2(8, 18), 12, 0.8),
+      BlockShape.rectangle(Vector2(8, 24), 12, 0.8),
+      BlockShape.triangle(Vector2(11.5, 30), 7, 0.8),
+      BlockShape.circle(Vector2(3.25, 31), 1.25),
+    ],
+  ),
+
+  LevelConfig(
+    id: 9,
+    ballPos: Vector2(3, 8),
+    stars: [Vector2(6, 17), Vector2(14, 20)],
+    goalPos: Vector2(10, 39),
+    ink: 900,
+    blocks: [
+      BlockShape.triangle(Vector2(5, 19), 6, 0.8),
+      BlockShape.triangle(Vector2(13, 22), 6, 0.8),
+      BlockShape.rectangle(Vector2(8, 28), 12, 0.8),
+      BlockShape.circle(Vector2(9.4, 21), 0.4),
+    ],
+  ),
+
+  LevelConfig(
+    id: 10,
+    ballPos: Vector2(4, 8),
+    stars: [Vector2(10, 20)],
+    goalPos: Vector2(16, 37),
+    ink: 850,
+    blocks: [
+      BlockShape.circle(Vector2(7.6, 22), 0.6),
+      BlockShape.circle(Vector2(12.6, 22), 0.6),
+      BlockShape.rectangle(Vector2(8, 28), 12, 0.8),
+    ],
+  ),
+
+  LevelConfig(
+    id: 11,
+    ballPos: Vector2(3, 8),
+    stars: [Vector2(9, 18), Vector2(9, 26)],
+    goalPos: Vector2(9, 37),
+    ink: 900,
+    blocks: [
+      BlockShape.circle(Vector2(6.6, 24), 0.6),
+      BlockShape.circle(Vector2(12.6, 24), 0.6),
+      BlockShape.triangle(Vector2(3.5, 24), 3, 0.8),
+      BlockShape.triangle(Vector2(16.5, 24), 3, 0.8),
+    ],
+  ),
+
+  LevelConfig(
+    id: 12,
+    ballPos: Vector2(3, 8),
+    stars: [Vector2(7.5, 20), Vector2(10, 28)],
+    goalPos: Vector2(10, 39),
+    ink: 950,
+    blocks: [
+      BlockShape.circle(Vector2(9, 21), 0.5),
+      BlockShape.circle(Vector2(11.5, 21), 0.5),
+      BlockShape.triangle(Vector2(9, 28), 8, 0.8),
+    ],
+  ),
+
+  // 13-18: 高级阶段 - 复杂组合与精准跳跃
+  LevelConfig(
+    id: 13,
+    ballPos: Vector2(2, 8),
+    stars: [Vector2(5, 16), Vector2(12, 24), Vector2(16, 32)],
+    goalPos: Vector2(18, 38),
+    ink: 1000,
+    blocks: [
+      BlockShape.rectangle(Vector2(6, 19), 8, 0.6),
+      BlockShape.circle(Vector2(13, 22), 0.8),
+      BlockShape.rectangle(Vector2(8, 30), 10, 0.6),
+      BlockShape.triangle(Vector2(16, 35), 6, 0.8),
+    ],
+  ),
+
+  LevelConfig(
+    id: 14,
+    ballPos: Vector2(5, 8),
+    stars: [Vector2(8, 18), Vector2(8, 26), Vector2(8, 34)],
+    goalPos: Vector2(14, 39),
+    ink: 1050,
+    blocks: [
+      BlockShape.circle(Vector2(3, 20), 1),
+      BlockShape.triangle(Vector2(13, 22), 6, 0.8),
+      BlockShape.circle(Vector2(3, 30), 1),
+      BlockShape.rectangle(Vector2(10, 35), 8, 0.6),
+    ],
+  ),
+
+  LevelConfig(
+    id: 15,
+    ballPos: Vector2(2, 10),
+    stars: [Vector2(6, 18), Vector2(14, 22), Vector2(10, 30)],
+    goalPos: Vector2(16, 38),
+    ink: 1100,
+    blocks: [
+      BlockShape.triangle(Vector2(4, 19), 5, 0.8),
+      BlockShape.rectangle(Vector2(12, 21), 10, 0.6),
+      BlockShape.circle(Vector2(9, 26), 0.9),
+      BlockShape.triangle(Vector2(14, 31), 6, 0.8),
+      BlockShape.circle(Vector2(5, 34), 0.7),
+    ],
+  ),
+
+  LevelConfig(
+    id: 16,
+    ballPos: Vector2(3, 8),
+    stars: [Vector2(10, 17), Vector2(16, 24)],
+    goalPos: Vector2(10, 38),
+    ink: 1050,
+    blocks: [
+      BlockShape.circle(Vector2(6, 18), 0.8),
+      BlockShape.circle(Vector2(14, 18), 0.8),
+      BlockShape.rectangle(Vector2(10, 23), 14, 0.6),
+      BlockShape.triangle(Vector2(6, 30), 5, 0.8),
+      BlockShape.triangle(Vector2(14, 30), 5, 0.8),
+    ],
+  ),
+
+  LevelConfig(
+    id: 17,
+    ballPos: Vector2(4, 8),
+    stars: [Vector2(7, 20), Vector2(13, 26), Vector2(10, 34)],
+    goalPos: Vector2(10, 39),
+    ink: 1150,
+    blocks: [
+      BlockShape.rectangle(Vector2(5, 19), 6, 0.6),
+      BlockShape.circle(Vector2(10, 22), 0.7),
+      BlockShape.rectangle(Vector2(15, 25), 6, 0.6),
+      BlockShape.triangle(Vector2(8, 31), 7, 0.8),
+      BlockShape.circle(Vector2(12, 31), 0.8),
+    ],
+  ),
+
+  LevelConfig(
+    id: 18,
+    ballPos: Vector2(2, 10),
+    stars: [Vector2(4, 18), Vector2(16, 24), Vector2(10, 32)],
+    goalPos: Vector2(15, 39),
+    ink: 1200,
+    blocks: [
+      BlockShape.triangle(Vector2(3, 17), 4, 0.8),
+      BlockShape.circle(Vector2(10, 20), 0.9),
+      BlockShape.triangle(Vector2(17, 23), 5, 0.8),
+      BlockShape.rectangle(Vector2(8, 29), 12, 0.6),
+      BlockShape.circle(Vector2(6, 35), 0.8),
+    ],
+  ),
+
+  // 19-24: 专家阶段 - 密集障碍与多重跳跃
+  LevelConfig(
+    id: 19,
+    ballPos: Vector2(3, 8),
+    stars: [Vector2(6, 17), Vector2(14, 20), Vector2(9, 28), Vector2(16, 34)],
+    goalPos: Vector2(10, 39),
+    ink: 1250,
+    blocks: [
+      BlockShape.circle(Vector2(5, 18), 0.7),
+      BlockShape.circle(Vector2(13, 18), 0.7),
+      BlockShape.rectangle(Vector2(9, 23), 12, 0.6),
+      BlockShape.triangle(Vector2(4, 29), 5, 0.8),
+      BlockShape.circle(Vector2(14, 29), 0.9),
+      BlockShape.rectangle(Vector2(9, 35), 10, 0.6),
+    ],
+  ),
+
+  LevelConfig(
+    id: 20,
+    ballPos: Vector2(5, 8),
+    stars: [Vector2(8, 16), Vector2(8, 24), Vector2(8, 32)],
+    goalPos: Vector2(8, 39),
+    ink: 1300,
+    blocks: [
+      BlockShape.circle(Vector2(4, 19), 0.6),
+      BlockShape.circle(Vector2(12, 19), 0.6),
+      BlockShape.triangle(Vector2(8, 22), 6, 0.8),
+      BlockShape.circle(Vector2(4, 27), 0.6),
+      BlockShape.circle(Vector2(12, 27), 0.6),
+      BlockShape.rectangle(Vector2(8, 31), 8, 0.6),
+      BlockShape.triangle(Vector2(8, 36), 4, 0.6),
+    ],
+  ),
+
+  LevelConfig(
+    id: 21,
+    ballPos: Vector2(2, 10),
+    stars: [Vector2(5, 18), Vector2(15, 22), Vector2(6, 30), Vector2(14, 36)],
+    goalPos: Vector2(10, 39),
+    ink: 1350,
+    blocks: [
+      BlockShape.rectangle(Vector2(4, 17), 6, 0.6),
+      BlockShape.circle(Vector2(10, 19), 0.8),
+      BlockShape.rectangle(Vector2(16, 21), 6, 0.6),
+      BlockShape.triangle(Vector2(3, 26), 5, 0.8),
+      BlockShape.circle(Vector2(10, 28), 0.9),
+      BlockShape.triangle(Vector2(17, 32), 5, 0.8),
+      BlockShape.rectangle(Vector2(10, 35), 12, 0.6),
+    ],
+  ),
+
+  LevelConfig(
+    id: 22,
+    ballPos: Vector2(4, 8),
+    stars: [Vector2(7, 18), Vector2(13, 20), Vector2(10, 28), Vector2(7, 34)],
+    goalPos: Vector2(16, 38),
+    ink: 1400,
+    blocks: [
+      BlockShape.triangle(Vector2(5, 16), 6, 0.8),
+      BlockShape.circle(Vector2(15, 18), 0.8),
+      BlockShape.rectangle(Vector2(9, 23), 14, 0.6),
+      BlockShape.circle(Vector2(5, 28), 0.7),
+      BlockShape.circle(Vector2(15, 28), 0.7),
+      BlockShape.triangle(Vector2(10, 32), 7, 0.8),
+      BlockShape.circle(Vector2(16, 35), 0.8),
+    ],
+  ),
+
+  LevelConfig(
+    id: 23,
+    ballPos: Vector2(3, 8),
+    stars: [
+      Vector2(4, 17),
+      Vector2(16, 19),
+      Vector2(8, 26),
+      Vector2(12, 32),
+      Vector2(6, 36),
+    ],
+    goalPos: Vector2(14, 39),
+    ink: 1450,
+    blocks: [
+      BlockShape.circle(Vector2(3, 18), 0.7),
+      BlockShape.rectangle(Vector2(10, 20), 12, 0.6),
+      BlockShape.circle(Vector2(17, 18), 0.7),
+      BlockShape.triangle(Vector2(6, 25), 5, 0.8),
+      BlockShape.circle(Vector2(12, 28), 0.8),
+      BlockShape.rectangle(Vector2(9, 31), 10, 0.6),
+      BlockShape.triangle(Vector2(4, 34), 6, 0.8),
+      BlockShape.circle(Vector2(14, 36), 0.9),
+    ],
+  ),
+
+  LevelConfig(
+    id: 24,
+    ballPos: Vector2(2, 10),
+    stars: [
+      Vector2(6, 17),
+      Vector2(14, 20),
+      Vector2(4, 26),
+      Vector2(16, 30),
+      Vector2(10, 36),
+    ],
+    goalPos: Vector2(10, 39),
+    ink: 1500,
+    blocks: [
+      BlockShape.rectangle(Vector2(3, 18), 8, 0.6),
+      BlockShape.circle(Vector2(14, 19), 0.8),
+      BlockShape.triangle(Vector2(9, 23), 6, 0.8),
+      BlockShape.circle(Vector2(4, 27), 0.7),
+      BlockShape.circle(Vector2(16, 27), 0.7),
+      BlockShape.rectangle(Vector2(10, 30), 12, 0.6),
+      BlockShape.triangle(Vector2(7, 34), 5, 0.8),
+      BlockShape.triangle(Vector2(13, 34), 5, 0.8),
+    ],
+  ),
+
+  // 25-30: 大师阶段 - 极限挑战
+  LevelConfig(
+    id: 25,
+    ballPos: Vector2(3, 8),
+    stars: [
+      Vector2(5, 16),
+      Vector2(15, 19),
+      Vector2(8, 24),
+      Vector2(12, 29),
+      Vector2(6, 34),
+      Vector2(16, 37),
+    ],
+    goalPos: Vector2(10, 39),
+    ink: 1550,
+    blocks: [
+      BlockShape.circle(Vector2(4, 17), 0.6),
+      BlockShape.circle(Vector2(16, 17), 0.6),
+      BlockShape.rectangle(Vector2(9, 21), 12, 0.6),
+      BlockShape.triangle(Vector2(5, 26), 5, 0.8),
+      BlockShape.circle(Vector2(13, 27), 0.8),
+      BlockShape.rectangle(Vector2(8, 31), 10, 0.6),
+      BlockShape.triangle(Vector2(14, 31), 4, 0.8),
+      BlockShape.circle(Vector2(4, 35), 0.7),
+      BlockShape.circle(Vector2(16, 35), 0.7),
+    ],
+  ),
+
+  LevelConfig(
+    id: 26,
+    ballPos: Vector2(5, 8),
+    stars: [
+      Vector2(8, 15),
+      Vector2(8, 21),
+      Vector2(8, 27),
+      Vector2(8, 33),
+      Vector2(8, 37),
+    ],
+    goalPos: Vector2(8, 39),
+    ink: 1600,
+    blocks: [
+      BlockShape.circle(Vector2(4, 18), 0.65),
+      BlockShape.circle(Vector2(12, 18), 0.65),
+      BlockShape.triangle(Vector2(8, 22), 7, 0.8),
+      BlockShape.circle(Vector2(3, 25), 0.7),
+      BlockShape.circle(Vector2(13, 25), 0.7),
+      BlockShape.rectangle(Vector2(8, 29), 10, 0.6),
+      BlockShape.triangle(Vector2(5, 31), 4, 0.8),
+      BlockShape.triangle(Vector2(11, 31), 4, 0.8),
+      BlockShape.circle(Vector2(8, 35), 0.8),
+    ],
+  ),
+
+  LevelConfig(
+    id: 27,
+    ballPos: Vector2(2, 10),
+    stars: [
+      Vector2(4, 16),
+      Vector2(16, 18),
+      Vector2(6, 24),
+      Vector2(14, 26),
+      Vector2(8, 32),
+      Vector2(12, 35),
+    ],
+    goalPos: Vector2(10, 39),
+    ink: 1650,
+    blocks: [
+      BlockShape.rectangle(Vector2(3, 17), 8, 0.6),
+      BlockShape.circle(Vector2(16, 19), 0.75),
+      BlockShape.triangle(Vector2(6, 22), 6, 0.8),
+      BlockShape.rectangle(Vector2(14, 25), 8, 0.6),
+      BlockShape.circle(Vector2(5, 28), 0.8),
+      BlockShape.circle(Vector2(15, 28), 0.8),
+      BlockShape.triangle(Vector2(10, 30), 8, 0.8),
+      BlockShape.rectangle(Vector2(8, 34), 12, 0.6),
+      BlockShape.circle(Vector2(3, 36), 0.8),
+      BlockShape.circle(Vector2(17, 36), 0.8),
+    ],
+  ),
+
+  LevelConfig(
+    id: 28,
+    ballPos: Vector2(4, 8),
+    stars: [
+      Vector2(6, 16),
+      Vector2(14, 18),
+      Vector2(4, 24),
+      Vector2(16, 26),
+      Vector2(10, 31),
+      Vector2(8, 36),
+      Vector2(12, 37),
+    ],
+    goalPos: Vector2(10, 39),
+    ink: 1700,
+    blocks: [
+      BlockShape.circle(Vector2(5, 17), 0.6),
+      BlockShape.circle(Vector2(15, 17), 0.6),
+      BlockShape.rectangle(Vector2(9, 20), 12, 0.6),
+      BlockShape.triangle(Vector2(3, 25), 5, 0.8),
+      BlockShape.triangle(Vector2(17, 25), 5, 0.8),
+      BlockShape.circle(Vector2(10, 27), 0.9),
+      BlockShape.rectangle(Vector2(6, 30), 8, 0.6),
+      BlockShape.rectangle(Vector2(14, 30), 8, 0.6),
+      BlockShape.triangle(Vector2(10, 33), 6, 0.8),
+    ],
+  ),
+
+  LevelConfig(
+    id: 29,
+    ballPos: Vector2(3, 10),
+    stars: [
+      Vector2(5, 15),
+      Vector2(15, 17),
+      Vector2(8, 21),
+      Vector2(12, 23),
+      Vector2(4, 28),
+      Vector2(16, 31),
+      Vector2(10, 35),
+    ],
+    goalPos: Vector2(10, 39),
+    ink: 1750,
+    blocks: [
+      BlockShape.triangle(Vector2(4, 16), 5, 0.8),
+      BlockShape.rectangle(Vector2(14, 18), 8, 0.6),
+      BlockShape.circle(Vector2(8, 20), 0.75),
+      BlockShape.circle(Vector2(12, 20), 0.75),
+      BlockShape.triangle(Vector2(3, 26), 6, 0.8),
+      BlockShape.circle(Vector2(16, 29), 0.85),
+      BlockShape.rectangle(Vector2(8, 32), 12, 0.6),
+      BlockShape.circle(Vector2(5, 34), 0.75),
+      BlockShape.circle(Vector2(15, 34), 0.75),
+      BlockShape.triangle(Vector2(10, 36), 5, 0.6),
+    ],
+  ),
+
+  LevelConfig(
+    id: 30,
+    ballPos: Vector2(2, 8),
+    stars: [
+      Vector2(4, 15),
+      Vector2(16, 16),
+      Vector2(7, 20),
+      Vector2(13, 22),
+      Vector2(6, 27),
+      Vector2(14, 29),
+      Vector2(9, 34),
+      Vector2(11, 35),
+    ],
+    goalPos: Vector2(10, 39),
+    ink: 1800,
+    blocks: [
+      BlockShape.circle(Vector2(3, 17), 0.65),
+      BlockShape.circle(Vector2(17, 17), 0.65),
+      BlockShape.rectangle(Vector2(9, 19), 14, 0.6),
+      BlockShape.triangle(Vector2(5, 23), 6, 0.8),
+      BlockShape.circle(Vector2(13, 24), 0.8),
+      BlockShape.circle(Vector2(4, 28), 0.7),
+      BlockShape.circle(Vector2(16, 28), 0.7),
+      BlockShape.triangle(Vector2(10, 30), 8, 0.8),
+      BlockShape.rectangle(Vector2(7, 33), 6, 0.6),
+      BlockShape.rectangle(Vector2(13, 33), 6, 0.6),
+      BlockShape.circle(Vector2(10, 36), 0.9),
+    ],
+  ),
+];

lib/main.dart

@@ -0,0 +1,15 @@
+import 'package:flutter/material.dart';
+import 'managers.dart';
+import 'ui_screens.dart';
+
+Future<void> main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  await LevelManager.instance.load();
+  runApp(
+    const MaterialApp(
+      title: 'LineInkGuide',
+      home: MainMenuScreen(),
+      debugShowCheckedModeBanner: false,
+    ),
+  );
+}

lib/managers.dart

@@ -0,0 +1,246 @@
+import 'dart:convert';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'app_theme.dart';
+
+// --- Achievement System ---
+class AchievementDef {
+  final String id;
+  final String title;
+  final String description;
+  final int rewardStars;
+
+  const AchievementDef({
+    required this.id,
+    required this.title,
+    required this.description,
+    required this.rewardStars,
+  });
+}
+
+// --- Level Progress Manager ---
+class LevelManager {
+  static final LevelManager instance = LevelManager._internal();
+  LevelManager._internal();
+
+  final Map<int, int> _bestStars = {};
+  int highestUnlockedLevel = 1;
+  int totalStars = 0; // 当前可用星星（用于兑换）
+  String selectedSkinId = 'classic';
+  final Set<String> ownedSkins = {'classic'};
+  final Map<String, bool> _unlockedAchievements = {};
+
+  static const _bestStarsKey = 'bestStars';
+  static const _highestLevelKey = 'highestUnlockedLevel';
+  static const _totalStarsKey = 'totalStars';
+  static const _ownedSkinsKey = 'ownedSkins';
+  static const _selectedSkinKey = 'selectedSkin';
+  static const _achievementsKey = 'achievements';
+
+  static const List<AchievementDef> achievementsCatalog = [
+    AchievementDef(
+      id: 'first_clear',
+      title: 'First Steps',
+      description: 'Clear any level for the first time.',
+      rewardStars: 3,
+    ),
+    AchievementDef(
+      id: 'perfect_run',
+      title: 'Perfect Ink',
+      description: 'Earn 5 stars in a single level.',
+      rewardStars: 5,
+    ),
+    AchievementDef(
+      id: 'speed_runner',
+      title: 'Speed Runner',
+      description: 'Clear a level within 30 seconds.',
+      rewardStars: 5,
+    ),
+    AchievementDef(
+      id: 'slope_master',
+      title: 'Slope Master',
+      description: 'Clear a slope level (1–3).',
+      rewardStars: 2,
+    ),
+    AchievementDef(
+      id: 'bounce_master',
+      title: 'Bounce Master',
+      description: 'Clear a bounce level (4–6).',
+      rewardStars: 2,
+    ),
+    AchievementDef(
+      id: 'maze_master',
+      title: 'Maze Navigator',
+      description: 'Clear a multi-layer maze level (7–9).',
+      rewardStars: 2,
+    ),
+    AchievementDef(
+      id: 'gap_master',
+      title: 'Gap Sniper',
+      description: 'Clear a narrow-gap level (10–12).',
+      rewardStars: 2,
+    ),
+  ];
+
+  Future<void> load() async {
+    final prefs = await SharedPreferences.getInstance();
+    final bestStr = prefs.getString(_bestStarsKey);
+    if (bestStr != null) {
+      final Map<String, dynamic> decoded = jsonDecode(bestStr);
+      _bestStars
+        ..clear()
+        ..addEntries(
+          decoded.entries.map(
+            (e) => MapEntry(int.parse(e.key), e.value as int),
+          ),
+        );
+    }
+
+    highestUnlockedLevel = prefs.getInt(_highestLevelKey) ?? 1;
+    if (highestUnlockedLevel < 1) highestUnlockedLevel = 1;
+
+    totalStars = prefs.getInt(_totalStarsKey) ?? 0;
+
+    final owned = prefs.getStringList(_ownedSkinsKey);
+    ownedSkins
+      ..clear()
+      ..addAll(owned?.toSet() ?? {'classic'});
+
+    selectedSkinId = prefs.getString(_selectedSkinKey) ?? 'classic';
+    if (!ownedSkins.contains(selectedSkinId)) {
+      selectedSkinId = 'classic';
+    }
+
+    final unlockedList = prefs.getStringList(_achievementsKey);
+    _unlockedAchievements
+      ..clear()
+      ..addEntries(
+        (unlockedList ?? const <String>[]).map((id) => MapEntry(id, true)),
+      );
+  }
+
+  Future<void> _persist() async {
+    final prefs = await SharedPreferences.getInstance();
+    final mapAsStringInt = _bestStars.map(
+      (key, value) => MapEntry(key.toString(), value),
+    );
+    await prefs.setString(_bestStarsKey, jsonEncode(mapAsStringInt));
+    await prefs.setInt(_highestLevelKey, highestUnlockedLevel);
+    await prefs.setInt(_totalStarsKey, totalStars);
+    await prefs.setStringList(_ownedSkinsKey, ownedSkins.toList());
+    await prefs.setString(_selectedSkinKey, selectedSkinId);
+    await prefs.setStringList(
+      _achievementsKey,
+      _unlockedAchievements.entries
+          .where((e) => e.value)
+          .map((e) => e.key)
+          .toList(),
+    );
+  }
+
+  Future<void> clearAll() async {
+    _bestStars.clear();
+    highestUnlockedLevel = 1;
+    totalStars = 0;
+    ownedSkins
+      ..clear()
+      ..add('classic');
+    selectedSkinId = 'classic';
+    await _persist();
+  }
+
+  void saveProgress(int levelId, int stars, int maxLevel) {
+    final oldBest = _bestStars[levelId] ?? 0;
+    if (stars > oldBest) {
+      _bestStars[levelId] = stars;
+      // 只把"新提高"的星星计入总数，避免重复刷
+      totalStars += (stars - oldBest);
+    }
+
+    // 通关解锁下一关（至少 1 星）
+    if (levelId == highestUnlockedLevel && stars > 0) {
+      if (highestUnlockedLevel < maxLevel) {
+        highestUnlockedLevel = highestUnlockedLevel + 1;
+      }
+    }
+
+    // 异步持久化
+    _persist();
+  }
+
+  int getStars(int levelId) => _bestStars[levelId] ?? 0;
+
+  // 皮肤相关
+  bool isSkinOwned(String skinId) => ownedSkins.contains(skinId);
+
+  bool isSkinSelected(String skinId) => selectedSkinId == skinId;
+
+  bool canAfford(int cost) => totalStars >= cost;
+
+  void selectSkin(String skinId) {
+    if (!isSkinOwned(skinId)) return;
+    selectedSkinId = skinId;
+    _persist();
+  }
+
+  bool buySkin(SkinThemeData skin) {
+    if (isSkinOwned(skin.id)) return false;
+    if (!canAfford(skin.cost)) return false;
+    totalStars -= skin.cost;
+    ownedSkins.add(skin.id);
+    selectedSkinId = skin.id;
+    _persist();
+    return true;
+  }
+
+  bool isAchievementUnlocked(String id) => _unlockedAchievements[id] == true;
+
+  List<AchievementDef> unlockAchievementsForWin({
+    required int levelId,
+    required int stars,
+    required Duration? clearTime,
+  }) {
+    final newlyUnlocked = <AchievementDef>[];
+
+    void _tryUnlock(String id) {
+      if (isAchievementUnlocked(id)) return;
+      final def = achievementsCatalog.firstWhere(
+        (a) => a.id == id,
+        orElse: () => achievementsCatalog.first,
+      );
+      _unlockedAchievements[id] = true;
+      totalStars += def.rewardStars;
+      newlyUnlocked.add(def);
+    }
+
+    // 首次通关任意关卡
+    if (stars > 0 && _unlockedAchievements.isEmpty) {
+      _tryUnlock('first_clear');
+    }
+
+    // 一次性拿满 5 星
+    if (stars == 5) {
+      _tryUnlock('perfect_run');
+    }
+
+    // 在 30 秒内通关一关
+    if (clearTime != null && clearTime.inSeconds <= 30) {
+      _tryUnlock('speed_runner');
+    }
+
+    // 主题关成就，基于关卡编号区间
+    if (levelId >= 1 && levelId <= 3) {
+      _tryUnlock('slope_master');
+    } else if (levelId >= 4 && levelId <= 6) {
+      _tryUnlock('bounce_master');
+    } else if (levelId >= 7 && levelId <= 9) {
+      _tryUnlock('maze_master');
+    } else if (levelId >= 10 && levelId <= 12) {
+      _tryUnlock('gap_master');
+    }
+
+    if (newlyUnlocked.isNotEmpty) {
+      _persist();
+    }
+    return newlyUnlocked;
+  }
+}

lib/settings_screens.dart

@@ -0,0 +1,390 @@
+import 'package:flutter/material.dart';
+import 'package:share_plus/share_plus.dart';
+import 'package:url_launcher/url_launcher.dart';
+import 'app_theme.dart';
+import 'managers.dart';
+import 'game_components.dart';
+
+class SettingsScreen extends StatelessWidget {
+  const SettingsScreen({super.key});
+
+  static const _privacyUrl = 'https://example.com/privacy'; // TODO: replace
+
+  Future<void> _openPrivacy() async {
+    final uri = Uri.parse(_privacyUrl);
+    if (await canLaunchUrl(uri)) {
+      await launchUrl(uri, mode: LaunchMode.externalApplication);
+    }
+  }
+
+  void _shareGame() {
+    Share.share(
+      'Check out LineInkGuide! Draw lines and guide the ball to collect stars.',
+      subject: 'LineInkGuide',
+    );
+  }
+
+  void _showAbout(BuildContext context) {
+    showDialog(
+      context: context,
+      builder: (_) => AlertDialog(
+        backgroundColor: AppTheme.paperBg,
+        title: const Text('About'),
+        content: const Text(
+          'LineInkGuide\n\n'
+          'A notebook-style physics puzzle.\n'
+          'Draw ink lines, collect stars, and reach the goal basket.',
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(context),
+            child: const Text('OK'),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Future<void> _clearCache(BuildContext context) async {
+    final confirmed = await showDialog<bool>(
+      context: context,
+      builder: (_) => AlertDialog(
+        backgroundColor: AppTheme.paperBg,
+        title: const Text('Reset Progress'),
+        content: const Text(
+          'This will clear all level progress, stars and skins.\n'
+          'Are you sure?',
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(context, false),
+            child: const Text('CANCEL'),
+          ),
+          TextButton(
+            onPressed: () => Navigator.pop(context, true),
+            child: const Text('RESET'),
+          ),
+        ],
+      ),
+    );
+
+    if (confirmed == true) {
+      await LevelManager.instance.clearAll();
+      if (context.mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          const SnackBar(
+            content: Text('Progress cleared.'),
+            duration: Duration(seconds: 2),
+          ),
+        );
+      }
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: AppTheme.paperBg,
+      appBar: AppBar(
+        backgroundColor: Colors.transparent,
+        elevation: 0,
+        iconTheme: const IconThemeData(color: AppTheme.inkPrimary),
+        title: const Text(
+          'SETTINGS',
+          style: TextStyle(
+            color: AppTheme.inkPrimary,
+            fontWeight: FontWeight.bold,
+          ),
+        ),
+      ),
+      body: Stack(
+        children: [
+          // subtle notebook grid background
+          Positioned.fill(child: CustomPaint(painter: GridPainter())),
+          SafeArea(
+            child: Padding(
+              padding: const EdgeInsets.all(20),
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.stretch,
+                children: [
+                  const Text(
+                    'TUNE YOUR NOTEBOOK',
+                    style: TextStyle(
+                      fontSize: 12,
+                      fontWeight: FontWeight.bold,
+                      letterSpacing: 2,
+                      color: AppTheme.inkPrimary,
+                    ),
+                  ),
+                  const SizedBox(height: 12),
+                  Expanded(
+                    child: ListView(
+                      children: [
+                        // Game section
+                        Container(
+                          decoration: BoxDecoration(
+                            color: Colors.white,
+                            border: Border.all(
+                              color: AppTheme.inkPrimary,
+                              width: 1.5,
+                            ),
+                          ),
+                          child: Column(
+                            children: [
+                              _SectionHeader(title: 'GAME'),
+                              _SettingsTile(
+                                icon: Icons.share,
+                                label: 'Share Game',
+                                onTap: _shareGame,
+                              ),
+                              const Divider(height: 1),
+                              _SettingsTile(
+                                icon: Icons.info_outline,
+                                label: 'About',
+                                onTap: () => _showAbout(context),
+                              ),
+                            ],
+                          ),
+                        ),
+                        const SizedBox(height: 16),
+                        // Privacy & support section
+                        Container(
+                          decoration: BoxDecoration(
+                            color: Colors.white,
+                            border: Border.all(
+                              color: AppTheme.inkPrimary,
+                              width: 1.5,
+                            ),
+                          ),
+                          child: Column(
+                            children: [
+                              _SectionHeader(title: 'SUPPORT'),
+                              _SettingsTile(
+                                icon: Icons.privacy_tip_outlined,
+                                label: 'Privacy Policy',
+                                onTap: _openPrivacy,
+                              ),
+                              const Divider(height: 1),
+                              _SettingsTile(
+                                icon: Icons.feedback_outlined,
+                                label: 'Feedback',
+                                onTap: () {
+                                  Navigator.push(
+                                    context,
+                                    MaterialPageRoute(
+                                      builder: (_) => const FeedbackScreen(),
+                                    ),
+                                  );
+                                },
+                              ),
+                            ],
+                          ),
+                        ),
+                        const SizedBox(height: 16),
+                        // Danger zone
+                        Container(
+                          decoration: BoxDecoration(
+                            color: Colors.white,
+                            border: Border.all(
+                              color: AppTheme.inkPrimary,
+                              width: 1.5,
+                            ),
+                          ),
+                          child: Column(
+                            children: [
+                              _SectionHeader(title: 'DATA'),
+                              _SettingsTile(
+                                icon: Icons.delete_sweep_outlined,
+                                label: 'Clear Progress & Cache',
+                                iconColor: Colors.redAccent,
+                                labelColor: Colors.redAccent,
+                                onTap: () => _clearCache(context),
+                              ),
+                            ],
+                          ),
+                        ),
+                      ],
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class _SectionHeader extends StatelessWidget {
+  final String title;
+  const _SectionHeader({required this.title});
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      width: double.infinity,
+      color: AppTheme.paperBg,
+      padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 10),
+      child: Text(
+        title,
+        style: const TextStyle(
+          fontSize: 11,
+          fontWeight: FontWeight.bold,
+          letterSpacing: 2,
+          color: AppTheme.inkPrimary,
+        ),
+      ),
+    );
+  }
+}
+
+class _SettingsTile extends StatelessWidget {
+  final IconData icon;
+  final String label;
+  final VoidCallback onTap;
+  final Color? iconColor;
+  final Color? labelColor;
+
+  const _SettingsTile({
+    required this.icon,
+    required this.label,
+    required this.onTap,
+    this.iconColor,
+    this.labelColor,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return ListTile(
+      leading: Container(
+        width: 32,
+        height: 32,
+        decoration: BoxDecoration(
+          shape: BoxShape.circle,
+          border: Border.all(
+            color: iconColor ?? AppTheme.inkPrimary,
+            width: 1.5,
+          ),
+        ),
+        child: Icon(icon, size: 18, color: iconColor ?? AppTheme.inkPrimary),
+      ),
+      title: Text(
+        label,
+        style: TextStyle(
+          fontWeight: FontWeight.w600,
+          color: labelColor ?? AppTheme.inkPrimary,
+        ),
+      ),
+      trailing: const Icon(Icons.chevron_right, color: AppTheme.gridLine),
+      onTap: onTap,
+    );
+  }
+}
+
+class FeedbackScreen extends StatefulWidget {
+  const FeedbackScreen({super.key});
+
+  @override
+  State<FeedbackScreen> createState() => _FeedbackScreenState();
+}
+
+class _FeedbackScreenState extends State<FeedbackScreen> {
+  final TextEditingController _controller = TextEditingController();
+  bool _submitting = false;
+
+  Future<void> _submit() async {
+    if (_controller.text.trim().isEmpty || _submitting) return;
+    setState(() {
+      _submitting = true;
+    });
+    await Future.delayed(const Duration(milliseconds: 500));
+    if (!mounted) return;
+    Navigator.pop(context);
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: AppTheme.paperBg,
+      appBar: AppBar(
+        backgroundColor: Colors.transparent,
+        elevation: 0,
+        iconTheme: const IconThemeData(color: AppTheme.inkPrimary),
+        title: const Text(
+          'FEEDBACK',
+          style: TextStyle(
+            color: AppTheme.inkPrimary,
+            fontWeight: FontWeight.bold,
+          ),
+        ),
+      ),
+      body: Padding(
+        padding: const EdgeInsets.all(20),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.stretch,
+          children: [
+            const Text(
+              'Tell us what you think:',
+              style: TextStyle(
+                fontSize: 14,
+                fontWeight: FontWeight.bold,
+                color: AppTheme.inkPrimary,
+              ),
+            ),
+            const SizedBox(height: 12),
+            Expanded(
+              child: TextField(
+                controller: _controller,
+                maxLines: null,
+                expands: true,
+                decoration: const InputDecoration(
+                  hintText:
+                      'Bugs, level ideas, or anything you want to share...',
+                  border: OutlineInputBorder(),
+                  filled: true,
+                  fillColor: Colors.white,
+                ),
+              ),
+            ),
+            const SizedBox(height: 16),
+            SizedBox(
+              height: 44,
+              child: ElevatedButton(
+                style: ElevatedButton.styleFrom(
+                  backgroundColor: AppTheme.inkPrimary,
+                  elevation: 0,
+                ),
+                onPressed: _submitting ? null : _submit,
+                child: _submitting
+                    ? const SizedBox(
+                        width: 20,
+                        height: 20,
+                        child: CircularProgressIndicator(
+                          strokeWidth: 2,
+                          valueColor: AlwaysStoppedAnimation<Color>(
+                            Colors.white,
+                          ),
+                        ),
+                      )
+                    : const Text(
+                        'SUBMIT',
+                        style: TextStyle(
+                          color: Colors.white,
+                          fontWeight: FontWeight.bold,
+                        ),
+                      ),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/skin_shop_screen.dart

@@ -0,0 +1,207 @@
+import 'package:flutter/material.dart';
+import 'app_theme.dart';
+import 'managers.dart';
+
+class SkinShopScreen extends StatefulWidget {
+  const SkinShopScreen({super.key});
+
+  @override
+  State<SkinShopScreen> createState() => _SkinShopScreenState();
+}
+
+class _SkinShopScreenState extends State<SkinShopScreen> {
+  @override
+  Widget build(BuildContext context) {
+    final manager = LevelManager.instance;
+
+    return Scaffold(
+      backgroundColor: AppTheme.paperBg,
+      appBar: AppBar(
+        backgroundColor: Colors.transparent,
+        elevation: 0,
+        iconTheme: const IconThemeData(color: AppTheme.inkPrimary),
+        title: const Text(
+          'SKINS',
+          style: TextStyle(
+            color: AppTheme.inkPrimary,
+            fontWeight: FontWeight.bold,
+          ),
+        ),
+      ),
+      body: Column(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        children: [
+          Padding(
+            padding: const EdgeInsets.all(16),
+            child: Row(
+              mainAxisAlignment: MainAxisAlignment.spaceBetween,
+              children: [
+                const Text(
+                  'STAR SHOP',
+                  style: TextStyle(
+                    fontSize: 18,
+                    fontWeight: FontWeight.bold,
+                    color: AppTheme.inkPrimary,
+                  ),
+                ),
+                Row(
+                  children: [
+                    const Icon(Icons.star, color: AppTheme.accentYellow),
+                    const SizedBox(width: 4),
+                    Text(
+                      '${manager.totalStars}',
+                      style: const TextStyle(
+                        fontSize: 16,
+                        fontWeight: FontWeight.bold,
+                        color: AppTheme.inkPrimary,
+                      ),
+                    ),
+                  ],
+                ),
+              ],
+            ),
+          ),
+          const Divider(height: 1),
+          Expanded(
+            child: GridView.builder(
+              padding: const EdgeInsets.all(16),
+              gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
+                crossAxisCount: 2,
+                mainAxisSpacing: 16,
+                crossAxisSpacing: 16,
+                childAspectRatio: 0.9,
+              ),
+              itemCount: SkinManager.skins.length,
+              itemBuilder: (context, index) {
+                final skin = SkinManager.skins[index];
+                final owned = manager.isSkinOwned(skin.id);
+                final selected = manager.isSkinSelected(skin.id);
+                final canAfford = manager.canAfford(skin.cost);
+
+                return Container(
+                  decoration: BoxDecoration(
+                    border: Border.all(
+                      color: selected
+                          ? AppTheme.accentGreen
+                          : AppTheme.inkPrimary,
+                      width: selected ? 3 : 1.5,
+                    ),
+                    color: Colors.white,
+                  ),
+                  child: Column(
+                    mainAxisAlignment: MainAxisAlignment.center,
+                    children: [
+                      // Skin preview: one ball
+                      Container(
+                        width: 64,
+                        height: 64,
+                        decoration: BoxDecoration(
+                          shape: BoxShape.circle,
+                          color: skin.ballColor,
+                          boxShadow: const [
+                            BoxShadow(
+                              color: Colors.black26,
+                              blurRadius: 4,
+                              offset: Offset(0, 2),
+                            ),
+                          ],
+                        ),
+                        child: Align(
+                          alignment: const Alignment(-0.4, -0.4),
+                          child: Container(
+                            width: 18,
+                            height: 18,
+                            decoration: BoxDecoration(
+                              shape: BoxShape.circle,
+                              color: skin.eyeColor,
+                            ),
+                          ),
+                        ),
+                      ),
+                      const SizedBox(height: 8),
+                      Text(
+                        skin.name,
+                        style: const TextStyle(
+                          fontWeight: FontWeight.bold,
+                          color: AppTheme.inkPrimary,
+                        ),
+                      ),
+                      const SizedBox(height: 4),
+                      if (skin.cost > 0)
+                        Row(
+                          mainAxisAlignment: MainAxisAlignment.center,
+                          children: [
+                            const Icon(
+                              Icons.star,
+                              size: 16,
+                              color: AppTheme.accentYellow,
+                            ),
+                            const SizedBox(width: 2),
+                            Text(
+                              '${skin.cost}',
+                              style: const TextStyle(
+                                fontSize: 14,
+                                fontWeight: FontWeight.bold,
+                                color: AppTheme.inkPrimary,
+                              ),
+                            ),
+                          ],
+                        )
+                      else
+                        const Text(
+                          'DEFAULT SKIN',
+                          style: TextStyle(
+                            fontSize: 12,
+                            color: AppTheme.gridLine,
+                          ),
+                        ),
+                      const SizedBox(height: 8),
+                      SizedBox(
+                        width: 128,
+                        child: OutlinedButton(
+                          style: OutlinedButton.styleFrom(
+                            side: BorderSide(
+                              color: owned
+                                  ? AppTheme.accentGreen
+                                  : (canAfford
+                                        ? AppTheme.inkPrimary
+                                        : AppTheme.gridLine),
+                            ),
+                          ),
+                          onPressed: () {
+                            setState(() {
+                              if (!owned) {
+                                final success = manager.buySkin(skin);
+                                if (!success) return;
+                              } else {
+                                manager.selectSkin(skin.id);
+                              }
+                            });
+                          },
+                          child: Text(
+                            owned
+                                ? (selected ? 'EQUIPPED' : 'EQUIP')
+                                : (canAfford ? 'UNLOCK' : 'NOT ENOUGH STARS'),
+                            style: TextStyle(
+                              color: owned
+                                  ? AppTheme.accentGreen
+                                  : (canAfford
+                                        ? AppTheme.inkPrimary
+                                        : AppTheme.gridLine),
+                              fontWeight: FontWeight.bold,
+                              fontSize: 11,
+                            ),
+                          ),
+                        ),
+                      ),
+                    ],
+                  ),
+                );
+              },
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/ui_screens.dart

@@ -0,0 +1,683 @@
+import 'package:flutter/material.dart';
+import 'package:flame/game.dart';
+import 'app_theme.dart';
+import 'levels.dart';
+import 'managers.dart';
+import 'game_engine.dart';
+import 'game_components.dart';
+import 'skin_shop_screen.dart';
+import 'settings_screens.dart';
+
+// --- UI: Main Menu ---
+class MainMenuScreen extends StatelessWidget {
+  const MainMenuScreen({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: AppTheme.paperBg,
+      body: Stack(
+        children: [
+          Positioned.fill(child: CustomPaint(painter: GridPainter())),
+          Center(
+            child: Column(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: [
+                const Text(
+                  "LineInkGuide",
+                  style: TextStyle(
+                    fontSize: 48,
+                    fontWeight: FontWeight.w900,
+                    color: AppTheme.inkPrimary,
+                    letterSpacing: -1,
+                  ),
+                ),
+                const Text(
+                  "PHYSICS NOTEBOOK",
+                  style: TextStyle(
+                    fontSize: 14,
+                    color: AppTheme.inkPrimary,
+                    letterSpacing: 4,
+                  ),
+                ),
+                const SizedBox(height: 80),
+                _buildBtn(
+                  context,
+                  "START GAME",
+                  () => Navigator.push(
+                    context,
+                    MaterialPageRoute(
+                      builder: (_) => const LevelSelectScreen(),
+                    ),
+                  ),
+                ),
+                _buildBtn(
+                  context,
+                  "SKINS",
+                  () => Navigator.push(
+                    context,
+                    MaterialPageRoute(builder: (_) => const SkinShopScreen()),
+                  ),
+                ),
+                _buildBtn(
+                  context,
+                  "SETTINGS",
+                  () => Navigator.push(
+                    context,
+                    MaterialPageRoute(builder: (_) => const SettingsScreen()),
+                  ),
+                ),
+                _buildBtn(context, "HOW TO PLAY", () => _showHelp(context)),
+              ],
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildBtn(BuildContext context, String text, VoidCallback onTap) {
+    return Padding(
+      padding: const EdgeInsets.symmetric(vertical: 8),
+      child: SizedBox(
+        width: 220,
+        child: OutlinedButton(
+          style: OutlinedButton.styleFrom(
+            side: const BorderSide(color: AppTheme.inkPrimary, width: 2),
+            padding: const EdgeInsets.all(16),
+            shape: const RoundedRectangleBorder(),
+          ),
+          onPressed: onTap,
+          child: Text(
+            text,
+            style: const TextStyle(
+              color: AppTheme.inkPrimary,
+              fontSize: 16,
+              fontWeight: FontWeight.bold,
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+
+  void _showHelp(BuildContext context) {
+    showDialog(
+      context: context,
+      builder: (_) => AlertDialog(
+        backgroundColor: AppTheme.paperBg,
+        title: const Text("INSTRUCTIONS"),
+        content: const Text(
+          "• Draw lines to guide the ball.\n• Collect ALL stars to unlock the goal.\n• Reach the goal basket to win.\n• Conserve ink for a higher score!",
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(context),
+            child: const Text("READY"),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+// --- UI: Level Selection ---
+class LevelSelectScreen extends StatefulWidget {
+  const LevelSelectScreen({super.key});
+
+  @override
+  State<LevelSelectScreen> createState() => _LevelSelectScreenState();
+}
+
+class _LevelSelectScreenState extends State<LevelSelectScreen> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: AppTheme.paperBg,
+      appBar: AppBar(
+        title: const Text(
+          "SELECT LEVEL",
+          style: TextStyle(
+            color: AppTheme.inkPrimary,
+            fontWeight: FontWeight.bold,
+          ),
+        ),
+        backgroundColor: Colors.transparent,
+        elevation: 0,
+        iconTheme: const IconThemeData(color: AppTheme.inkPrimary),
+      ),
+      body: GridView.builder(
+        padding: const EdgeInsets.all(24),
+        gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
+          crossAxisCount: 3,
+          mainAxisSpacing: 20,
+          crossAxisSpacing: 20,
+          childAspectRatio: 0.8,
+        ),
+        itemCount: levels.length,
+        itemBuilder: (context, index) {
+          int starCount = LevelManager.instance.getStars(levels[index].id);
+          bool isUnlocked =
+              levels[index].id <= LevelManager.instance.highestUnlockedLevel;
+          return GestureDetector(
+            onTap: () async {
+              if (!isUnlocked) return;
+              await Navigator.push(
+                context,
+                MaterialPageRoute(
+                  builder: (_) => GameView(config: levels[index]),
+                ),
+              );
+              setState(() {});
+            },
+            child: Container(
+              decoration: BoxDecoration(
+                border: Border.all(
+                  color: isUnlocked ? AppTheme.inkPrimary : AppTheme.gridLine,
+                  width: 2,
+                ),
+                color: isUnlocked ? null : AppTheme.gridLine.withOpacity(0.1),
+              ),
+              child: Column(
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  Text(
+                    "${index + 1}",
+                    style: const TextStyle(
+                      fontSize: 24,
+                      fontWeight: FontWeight.bold,
+                    ),
+                  ),
+                  const SizedBox(height: 8),
+                  if (isUnlocked)
+                    Row(
+                      mainAxisAlignment: MainAxisAlignment.center,
+                      children: List.generate(
+                        5,
+                        (i) => Icon(
+                          Icons.star,
+                          size: 12,
+                          color: i < starCount
+                              ? AppTheme.accentYellow
+                              : AppTheme.gridLine,
+                        ),
+                      ),
+                    )
+                  else
+                    const Icon(Icons.lock, size: 18, color: AppTheme.gridLine),
+                ],
+              ),
+            ),
+          );
+        },
+      ),
+    );
+  }
+}
+
+// --- Game Container ---
+class GameView extends StatefulWidget {
+  final LevelConfig config;
+  const GameView({super.key, required this.config});
+
+  @override
+  State<GameView> createState() => _GameViewState();
+}
+
+class _GameViewState extends State<GameView> {
+  late LineInkGuideGame _game;
+
+  @override
+  void initState() {
+    super.initState();
+    _game = LineInkGuideGame(config: widget.config);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return PopScope(
+      canPop: false,
+      onPopInvoked: (bool didPop) {
+        if (didPop) return;
+        _showExitConfirmDialog(context);
+      },
+      child: Scaffold(
+        backgroundColor: AppTheme.paperBg,
+        body: Stack(
+          children: [
+            GameWidget(game: _game),
+            SafeArea(
+              child: Padding(
+                padding: const EdgeInsets.only(
+                  left: 8,
+                  top: 8,
+                  right: 20,
+                  bottom: 20,
+                ),
+                child: Row(
+                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                  children: [
+                    IconButton(
+                      icon: const Icon(Icons.close),
+                      onPressed: () => _showExitConfirmDialog(context),
+                    ),
+                    Column(
+                      mainAxisSize: MainAxisSize.min,
+                      children: [
+                        const Text(
+                          "INK",
+                          style: TextStyle(
+                            fontSize: 10,
+                            fontWeight: FontWeight.bold,
+                          ),
+                        ),
+                        ValueListenableBuilder(
+                          valueListenable: _game.inkNotifier,
+                          builder: (context, double val, _) => Container(
+                            width: 120,
+                            height: 8,
+                            decoration: BoxDecoration(
+                              border: Border.all(
+                                color: AppTheme.inkPrimary,
+                                width: 1.5,
+                              ),
+                            ),
+                            child: LinearProgressIndicator(
+                              value: (val / widget.config.ink).clamp(0, 1),
+                              backgroundColor: Colors.transparent,
+                              valueColor: const AlwaysStoppedAnimation(
+                                AppTheme.inkPrimary,
+                              ),
+                            ),
+                          ),
+                        ),
+                        const SizedBox(height: 4),
+                        ValueListenableBuilder(
+                          valueListenable: _game.starCountNotifier,
+                          builder: (context, int count, _) => Text(
+                            "STARS: $count / ${widget.config.stars.length}",
+                            style: const TextStyle(
+                              fontSize: 10,
+                              fontWeight: FontWeight.bold,
+                            ),
+                          ),
+                        ),
+                      ],
+                    ),
+                    Row(
+                      mainAxisSize: MainAxisSize.min,
+                      children: [
+                        OutlinedButton(
+                          style: OutlinedButton.styleFrom(
+                            side: const BorderSide(
+                              color: AppTheme.inkPrimary,
+                              width: 1.5,
+                            ),
+                            padding: const EdgeInsets.symmetric(
+                              horizontal: 10,
+                              vertical: 8,
+                            ),
+                          ),
+                          onPressed: () => _showResetConfirmDialog(context),
+                          child: const Text(
+                            "RESET",
+                            style: TextStyle(
+                              color: AppTheme.inkPrimary,
+                              fontSize: 10,
+                              fontWeight: FontWeight.bold,
+                            ),
+                          ),
+                        ),
+                        const SizedBox(width: 8),
+                        ElevatedButton(
+                          style: ElevatedButton.styleFrom(
+                            backgroundColor: AppTheme.inkPrimary,
+                            elevation: 0,
+                          ),
+                          onPressed: () => _game.startSimulation(),
+                          child: const Text(
+                            "START",
+                            style: TextStyle(
+                              color: Colors.white,
+                              fontWeight: FontWeight.bold,
+                            ),
+                          ),
+                        ),
+                      ],
+                    ),
+                  ],
+                ),
+              ),
+            ),
+            // Win Overlay
+            ValueListenableBuilder(
+              valueListenable: _game.winNotifier,
+              builder: (context, int? stars, _) {
+                if (stars == null) return const SizedBox.shrink();
+                return Container(
+                  color: Colors.black54,
+                  child: Center(
+                    child: Container(
+                      width: 300,
+                      padding: const EdgeInsets.all(40),
+                      decoration: BoxDecoration(
+                        color: AppTheme.paperBg,
+                        border: Border.all(
+                          color: AppTheme.inkPrimary,
+                          width: 4,
+                        ),
+                      ),
+                      child: Column(
+                        mainAxisSize: MainAxisSize.min,
+                        children: [
+                          const Text(
+                            "LEVEL CLEAR!",
+                            style: TextStyle(
+                              fontSize: 28,
+                              fontWeight: FontWeight.bold,
+                            ),
+                          ),
+                          const SizedBox(height: 24),
+                          Row(
+                            mainAxisAlignment: MainAxisAlignment.center,
+                            children: List.generate(
+                              5,
+                              (i) => Icon(
+                                Icons.star,
+                                size: 40,
+                                color: i < stars
+                                    ? AppTheme.accentYellow
+                                    : AppTheme.gridLine,
+                              ),
+                            ),
+                          ),
+                          const SizedBox(height: 12),
+                          Text(
+                            "$stars / 5 STARS",
+                            style: const TextStyle(fontWeight: FontWeight.bold),
+                          ),
+                          const SizedBox(height: 40),
+                          SizedBox(
+                            width: double.infinity,
+                            child: OutlinedButton(
+                              style: OutlinedButton.styleFrom(
+                                side: const BorderSide(
+                                  color: AppTheme.inkPrimary,
+                                  width: 2,
+                                ),
+                              ),
+                              onPressed: () => Navigator.pop(context),
+                              child: const Text(
+                                "CONTINUE",
+                                style: TextStyle(
+                                  color: AppTheme.inkPrimary,
+                                  fontWeight: FontWeight.bold,
+                                ),
+                              ),
+                            ),
+                          ),
+                        ],
+                      ),
+                    ),
+                  ),
+                );
+              },
+            ),
+            // Achievement banner
+            Positioned(
+              top: 40,
+              left: 0,
+              right: 0,
+              child: ValueListenableBuilder(
+                valueListenable: _game.achievementNotifier,
+                builder: (context, AchievementDef? ach, _) {
+                  if (ach == null) return const SizedBox.shrink();
+                  return Center(
+                    child: Container(
+                      padding: const EdgeInsets.symmetric(
+                        horizontal: 16,
+                        vertical: 10,
+                      ),
+                      decoration: BoxDecoration(
+                        color: Colors.white,
+                        borderRadius: BorderRadius.circular(24),
+                        border: Border.all(
+                          color: AppTheme.accentGreen,
+                          width: 2,
+                        ),
+                        boxShadow: const [
+                          BoxShadow(
+                            color: Colors.black26,
+                            blurRadius: 6,
+                            offset: Offset(0, 3),
+                          ),
+                        ],
+                      ),
+                      child: Row(
+                        mainAxisSize: MainAxisSize.min,
+                        children: [
+                          const Icon(
+                            Icons.emoji_events,
+                            color: AppTheme.accentYellow,
+                            size: 20,
+                          ),
+                          const SizedBox(width: 8),
+                          Column(
+                            mainAxisSize: MainAxisSize.min,
+                            crossAxisAlignment: CrossAxisAlignment.start,
+                            children: [
+                              Text(
+                                ach.title,
+                                style: const TextStyle(
+                                  fontSize: 12,
+                                  fontWeight: FontWeight.bold,
+                                ),
+                              ),
+                              Text(
+                                '+${ach.rewardStars} stars  ·  ${ach.description}',
+                                style: const TextStyle(
+                                  fontSize: 10,
+                                  color: AppTheme.inkPrimary,
+                                ),
+                              ),
+                            ],
+                          ),
+                        ],
+                      ),
+                    ),
+                  );
+                },
+              ),
+            ),
+            // Fail Overlay
+            ValueListenableBuilder(
+              valueListenable: _game.failNotifier,
+              builder: (context, bool failed, _) {
+                if (!failed) return const SizedBox.shrink();
+                return Container(
+                  color: Colors.black54,
+                  child: Center(
+                    child: Container(
+                      width: 280,
+                      padding: const EdgeInsets.all(32),
+                      decoration: BoxDecoration(
+                        color: AppTheme.paperBg,
+                        border: Border.all(
+                          color: AppTheme.inkPrimary,
+                          width: 4,
+                        ),
+                      ),
+                      child: Column(
+                        mainAxisSize: MainAxisSize.min,
+                        children: [
+                          const Text(
+                            "TRY AGAIN?",
+                            style: TextStyle(
+                              fontSize: 24,
+                              fontWeight: FontWeight.bold,
+                            ),
+                          ),
+                          const SizedBox(height: 16),
+                          const Text(
+                            "The ball left the page.\nDo you want to replay this level?",
+                            textAlign: TextAlign.center,
+                            style: TextStyle(
+                              fontSize: 13,
+                              fontWeight: FontWeight.w500,
+                            ),
+                          ),
+                          const SizedBox(height: 28),
+                          Row(
+                            children: [
+                              Expanded(
+                                child: OutlinedButton(
+                                  style: OutlinedButton.styleFrom(
+                                    side: const BorderSide(
+                                      color: AppTheme.inkPrimary,
+                                      width: 2,
+                                    ),
+                                  ),
+                                  onPressed: () {
+                                    Navigator.pop(context);
+                                  },
+                                  child: const Text(
+                                    "QUIT",
+                                    style: TextStyle(
+                                      color: AppTheme.inkPrimary,
+                                      fontWeight: FontWeight.bold,
+                                    ),
+                                  ),
+                                ),
+                              ),
+                              const SizedBox(width: 12),
+                              Expanded(
+                                child: ElevatedButton(
+                                  style: ElevatedButton.styleFrom(
+                                    backgroundColor: AppTheme.inkPrimary,
+                                    elevation: 0,
+                                  ),
+                                  onPressed: () {
+                                    _game.resetLevel();
+                                  },
+                                  child: const Text(
+                                    "RETRY",
+                                    style: TextStyle(
+                                      color: Colors.white,
+                                      fontWeight: FontWeight.bold,
+                                    ),
+                                  ),
+                                ),
+                              ),
+                            ],
+                          ),
+                        ],
+                      ),
+                    ),
+                  ),
+                );
+              },
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  void _showResetConfirmDialog(BuildContext context) {
+    showDialog(
+      context: context,
+      builder: (BuildContext dialogContext) => AlertDialog(
+        backgroundColor: AppTheme.paperBg,
+        title: const Text(
+          "RESET LEVEL?",
+          style: TextStyle(
+            fontWeight: FontWeight.bold,
+            color: AppTheme.inkPrimary,
+          ),
+        ),
+        content: const Text(
+          "This will remove all drawn lines and reset the ball position. Your progress will be lost.",
+          style: TextStyle(color: AppTheme.inkPrimary),
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(dialogContext),
+            child: const Text(
+              "CANCEL",
+              style: TextStyle(
+                color: AppTheme.inkPrimary,
+                fontWeight: FontWeight.bold,
+              ),
+            ),
+          ),
+          ElevatedButton(
+            style: ElevatedButton.styleFrom(
+              backgroundColor: AppTheme.inkPrimary,
+              elevation: 0,
+            ),
+            onPressed: () {
+              Navigator.pop(dialogContext);
+              _game.resetLevel();
+            },
+            child: const Text(
+              "RESET",
+              style: TextStyle(
+                color: Colors.white,
+                fontWeight: FontWeight.bold,
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  void _showExitConfirmDialog(BuildContext context) {
+    showDialog(
+      context: context,
+      builder: (BuildContext dialogContext) => AlertDialog(
+        backgroundColor: AppTheme.paperBg,
+        title: const Text(
+          "EXIT LEVEL?",
+          style: TextStyle(
+            fontWeight: FontWeight.bold,
+            color: AppTheme.inkPrimary,
+          ),
+        ),
+        content: const Text(
+          "Are you sure you want to exit? Your current progress will be lost.",
+          style: TextStyle(color: AppTheme.inkPrimary),
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(dialogContext),
+            child: const Text(
+              "CANCEL",
+              style: TextStyle(
+                color: AppTheme.inkPrimary,
+                fontWeight: FontWeight.bold,
+              ),
+            ),
+          ),
+          ElevatedButton(
+            style: ElevatedButton.styleFrom(
+              backgroundColor: AppTheme.inkPrimary,
+              elevation: 0,
+            ),
+            onPressed: () {
+              Navigator.pop(dialogContext);
+              Navigator.pop(context);
+            },
+            child: const Text(
+              "EXIT",
+              style: TextStyle(
+                color: Colors.white,
+                fontWeight: FontWeight.bold,
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}

pubspec.lock

@@ -0,0 +1,562 @@
+# Generated by pub
+# See https://dart.dev/tools/pub/glossary#lockfile
+packages:
+  async:
+    dependency: transitive
+    description:
+      name: async
+      sha256: "758e6d74e971c3e5aceb4110bfd6698efc7f501675bcfe0c775459a8140750eb"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.13.0"
+  boolean_selector:
+    dependency: transitive
+    description:
+      name: boolean_selector
+      sha256: "8aab1771e1243a5063b8b0ff68042d67334e3feab9e95b9490f9a6ebf73b42ea"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.1.2"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      sha256: f71061c654a3380576a52b451dd5532377954cf9dbd272a78fc8479606670803
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.4.0"
+  clock:
+    dependency: transitive
+    description:
+      name: clock
+      sha256: fddb70d9b5277016c77a80201021d40a2247104d9f4aa7bab7157b7e3f05b84b
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.1.2"
+  collection:
+    dependency: transitive
+    description:
+      name: collection
+      sha256: "2f5709ae4d3d59dd8f7cd309b4e023046b57d8a6c82130785d2b0e5868084e76"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.19.1"
+  cross_file:
+    dependency: transitive
+    description:
+      name: cross_file
+      sha256: "701dcfc06da0882883a2657c445103380e53e647060ad8d9dfb710c100996608"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.3.5+1"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      sha256: c8ea0233063ba03258fbcf2ca4d6dadfefe14f02fab57702265467a19f27fadf
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.0.7"
+  cupertino_icons:
+    dependency: "direct main"
+    description:
+      name: cupertino_icons
+      sha256: ba631d1c7f7bef6b729a622b7b752645a2d076dba9976925b8f25725a30e1ee6
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.0.8"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      sha256: "5368f224a74523e8d2e7399ea1638b37aecfca824a3cc4dfdf77bf1fa905ac44"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.3.3"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: "289279317b4b16eb2bb7e271abccd4bf84ec9bdcbe999e278a94b804f5630418"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.1.4"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      sha256: a3b4f84adafef897088c160faf7dfffb7696046cb13ae90b508c2cbc95d3b8d4
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "7.0.1"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      sha256: b6dc7065e46c974bc7c5f143080a6764ec7a4be6da1285ececdc37be96de53be
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.1.1"
+  flame:
+    dependency: "direct main"
+    description:
+      name: flame
+      sha256: "348136b7d928188a8c9a11cd844d9125b02e7afc6c83bb9a52a16aee88ab7e81"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.34.0"
+  flame_forge2d:
+    dependency: "direct main"
+    description:
+      name: flame_forge2d
+      sha256: "0c0bbf2e0a60f0d1348af127d1110bf7b7259318b44d3fa46d60f7ce8315af51"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.19.2+2"
+  flutter:
+    dependency: "direct main"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  flutter_lints:
+    dependency: "direct dev"
+    description:
+      name: flutter_lints
+      sha256: "5398f14efa795ffb7a33e9b6a08798b26a180edac4ad7db3f231e40f82ce11e1"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "5.0.0"
+  flutter_test:
+    dependency: "direct dev"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  forge2d:
+    dependency: transitive
+    description:
+      name: forge2d
+      sha256: "0f63d177f2e137a5007b879fda4076d0b81de065fcd72056c6fc896c82758bb7"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.14.2+1"
+  google_fonts:
+    dependency: "direct main"
+    description:
+      name: google_fonts
+      sha256: ba03d03bcaa2f6cb7bd920e3b5027181db75ab524f8891c8bc3aa603885b8055
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "6.3.3"
+  http:
+    dependency: transitive
+    description:
+      name: http
+      sha256: "87721a4a50b19c7f1d49001e51409bddc46303966ce89a65af4f4e6004896412"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.6.0"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "178d74305e7866013777bab2c3d8726205dc5a4dd935297175b19a23a2e66571"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "4.1.2"
+  leak_tracker:
+    dependency: transitive
+    description:
+      name: leak_tracker
+      sha256: "33e2e26bdd85a0112ec15400c8cbffea70d0f9c3407491f672a2fad47915e2de"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "11.0.2"
+  leak_tracker_flutter_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_flutter_testing
+      sha256: "1dbc140bb5a23c75ea9c4811222756104fbcd1a27173f0c34ca01e16bea473c1"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.0.10"
+  leak_tracker_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_testing
+      sha256: "8d5a2d49f4a66b49744b23b018848400d23e54caf9463f4eb20df3eb8acb2eb1"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.0.2"
+  lints:
+    dependency: transitive
+    description:
+      name: lints
+      sha256: c35bb79562d980e9a453fc715854e1ed39e24e7d0297a880ef54e17f9874a9d7
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "5.1.1"
+  matcher:
+    dependency: transitive
+    description:
+      name: matcher
+      sha256: dc58c723c3c24bf8d3e2d3ad3f2f9d7bd9cf43ec6feaa64181775e60190153f2
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.12.17"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      sha256: f7142bb1154231d7ea5f96bc7bde4bda2a0945d2806bb11670e30b850d56bdec
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.11.1"
+  meta:
+    dependency: transitive
+    description:
+      name: meta
+      sha256: e3641ec5d63ebf0d9b41bd43201a66e3fc79a65db5f61fc181f04cd27aab950c
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.16.0"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      sha256: "41a20518f0cb1256669420fdba0cd90d21561e560ac240f26ef8322e45bb7ed6"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.0.0"
+  ordered_set:
+    dependency: transitive
+    description:
+      name: ordered_set
+      sha256: d6c1d053a533e84931a388cbf03f1ad21a0543bf06c7a281859d3ffacd8e15f2
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "8.0.0"
+  path:
+    dependency: transitive
+    description:
+      name: path
+      sha256: "75cca69d1490965be98c73ceaea117e8a04dd21217b37b292c9ddbec0d955bc5"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.9.1"
+  path_provider:
+    dependency: transitive
+    description:
+      name: path_provider
+      sha256: "50c5dd5b6e1aaf6fb3a78b33f6aa3afca52bf903a8a5298f53101fdaee55bbcd"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.1.5"
+  path_provider_android:
+    dependency: transitive
+    description:
+      name: path_provider_android
+      sha256: f2c65e21139ce2c3dad46922be8272bb5963516045659e71bb16e151c93b580e
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.2.22"
+  path_provider_foundation:
+    dependency: transitive
+    description:
+      name: path_provider_foundation
+      sha256: "6d13aece7b3f5c5a9731eaf553ff9dcbc2eff41087fd2df587fd0fed9a3eb0c4"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.5.1"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      sha256: f7a1fe3a634fe7734c8d3f2766ad746ae2a2884abe22e241a8b301bf5cac3279
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.2.1"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      sha256: "88f5779f72ba699763fa3a3b06aa4bf6de76c8e5de842cf6f29e2e06476c2334"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.1.2"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      sha256: bd6f00dbd873bfb70d0761682da2b3a2c2fccc2b9e84c495821639601d81afe7
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.3.0"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      sha256: "5d6b1b0036a5f331ebc77c850ebc8506cbc1e9416c27e59b439f917a902a4984"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.1.6"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.1.8"
+  share_plus:
+    dependency: "direct main"
+    description:
+      name: share_plus
+      sha256: "14c8860d4de93d3a7e53af51bff479598c4e999605290756bbbe45cf65b37840"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "12.0.1"
+  share_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: share_plus_platform_interface
+      sha256: "88023e53a13429bd65d8e85e11a9b484f49d4c190abbd96c7932b74d6927cc9a"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "6.1.0"
+  shared_preferences:
+    dependency: "direct main"
+    description:
+      name: shared_preferences
+      sha256: "2939ae520c9024cb197fc20dee269cd8cdbf564c8b5746374ec6cacdc5169e64"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.5.4"
+  shared_preferences_android:
+    dependency: transitive
+    description:
+      name: shared_preferences_android
+      sha256: "83af5c682796c0f7719c2bbf74792d113e40ae97981b8f266fa84574573556bc"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.4.18"
+  shared_preferences_foundation:
+    dependency: transitive
+    description:
+      name: shared_preferences_foundation
+      sha256: "4e7eaffc2b17ba398759f1151415869a34771ba11ebbccd1b0145472a619a64f"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.5.6"
+  shared_preferences_linux:
+    dependency: transitive
+    description:
+      name: shared_preferences_linux
+      sha256: "580abfd40f415611503cae30adf626e6656dfb2f0cee8f465ece7b6defb40f2f"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.4.1"
+  shared_preferences_platform_interface:
+    dependency: transitive
+    description:
+      name: shared_preferences_platform_interface
+      sha256: "57cbf196c486bc2cf1f02b85784932c6094376284b3ad5779d1b1c6c6a816b80"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.4.1"
+  shared_preferences_web:
+    dependency: transitive
+    description:
+      name: shared_preferences_web
+      sha256: c49bd060261c9a3f0ff445892695d6212ff603ef3115edbb448509d407600019
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.4.3"
+  shared_preferences_windows:
+    dependency: transitive
+    description:
+      name: shared_preferences_windows
+      sha256: "94ef0f72b2d71bc3e700e025db3710911bd51a71cefb65cc609dd0d9a982e3c1"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.4.1"
+  sky_engine:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  source_span:
+    dependency: transitive
+    description:
+      name: source_span
+      sha256: "254ee5351d6cb365c859e20ee823c3bb479bf4a293c22d17a9f1bf144ce86f7c"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.10.1"
+  stack_trace:
+    dependency: transitive
+    description:
+      name: stack_trace
+      sha256: "8b27215b45d22309b5cddda1aa2b19bdfec9df0e765f2de506401c071d38d1b1"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.12.1"
+  stream_channel:
+    dependency: transitive
+    description:
+      name: stream_channel
+      sha256: "969e04c80b8bcdf826f8f16579c7b14d780458bd97f56d107d3950fdbeef059d"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.1.4"
+  string_scanner:
+    dependency: transitive
+    description:
+      name: string_scanner
+      sha256: "921cd31725b72fe181906c6a94d987c78e3b98c2e205b397ea399d4054872b43"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.4.1"
+  term_glyph:
+    dependency: transitive
+    description:
+      name: term_glyph
+      sha256: "7f554798625ea768a7518313e58f83891c7f5024f88e46e7182a4558850a4b8e"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.2.2"
+  test_api:
+    dependency: transitive
+    description:
+      name: test_api
+      sha256: "522f00f556e73044315fa4585ec3270f1808a4b186c936e612cab0b565ff1e00"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.7.6"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.4.0"
+  url_launcher:
+    dependency: "direct main"
+    description:
+      name: url_launcher
+      sha256: f6a7e5c4835bb4e3026a04793a4199ca2d14c739ec378fdfe23fc8075d0439f8
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "6.3.2"
+  url_launcher_android:
+    dependency: transitive
+    description:
+      name: url_launcher_android
+      sha256: "767344bf3063897b5cf0db830e94f904528e6dd50a6dfaf839f0abf509009611"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "6.3.28"
+  url_launcher_ios:
+    dependency: transitive
+    description:
+      name: url_launcher_ios
+      sha256: cfde38aa257dae62ffe79c87fab20165dfdf6988c1d31b58ebf59b9106062aad
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "6.3.6"
+  url_launcher_linux:
+    dependency: transitive
+    description:
+      name: url_launcher_linux
+      sha256: d5e14138b3bc193a0f63c10a53c94b91d399df0512b1f29b94a043db7482384a
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.2.2"
+  url_launcher_macos:
+    dependency: transitive
+    description:
+      name: url_launcher_macos
+      sha256: "368adf46f71ad3c21b8f06614adb38346f193f3a59ba8fe9a2fd74133070ba18"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.2.5"
+  url_launcher_platform_interface:
+    dependency: transitive
+    description:
+      name: url_launcher_platform_interface
+      sha256: "552f8a1e663569be95a8190206a38187b531910283c3e982193e4f2733f01029"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.3.2"
+  url_launcher_web:
+    dependency: transitive
+    description:
+      name: url_launcher_web
+      sha256: "4bd2b7b4dc4d4d0b94e5babfffbca8eac1a126c7f3d6ecbc1a11013faa3abba2"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.4.1"
+  url_launcher_windows:
+    dependency: transitive
+    description:
+      name: url_launcher_windows
+      sha256: "712c70ab1b99744ff066053cbe3e80c73332b38d46e5e945c98689b2e66fc15f"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.1.5"
+  uuid:
+    dependency: transitive
+    description:
+      name: uuid
+      sha256: a11b666489b1954e01d992f3d601b1804a33937b5a8fe677bd26b8a9f96f96e8
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "4.5.2"
+  vector_math:
+    dependency: transitive
+    description:
+      name: vector_math
+      sha256: d530bd74fea330e6e364cda7a85019c434070188383e1cd8d9777ee586914c5b
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.2.0"
+  vm_service:
+    dependency: transitive
+    description:
+      name: vm_service
+      sha256: "45caa6c5917fa127b5dbcfbd1fa60b14e583afdc08bfc96dda38886ca252eb60"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "15.0.2"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: "868d88a33d8a87b18ffc05f9f030ba328ffefba92d6c127917a2ba740f9cfe4a"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.1.1"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      sha256: d7cb55e04cd34096cd3a79b3330245f54cb96a370a1c27adb3c84b917de8b08e
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "5.15.0"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      sha256: "7a3f37b05d989967cdddcbb571f1ea834867ae2faa29725fd085180e0883aa15"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.1.0"
+sdks:
+  dart: ">=3.9.2 <4.0.0"
+  flutter: ">=3.35.0"

pubspec.yaml

@@ -0,0 +1,95 @@
+name: line_ink_guide
+description: "LineInkGuide."
+# The following line prevents the package from being accidentally published to
+# pub.dev using `flutter pub publish`. This is preferred for private packages.
+publish_to: 'none' # Remove this line if you wish to publish to pub.dev
+
+# The following defines the version and build number for your application.
+# A version number is three numbers separated by dots, like 1.2.43
+# followed by an optional build number separated by a +.
+# Both the version and the builder number may be overridden in flutter
+# build by specifying --build-name and --build-number, respectively.
+# In Android, build-name is used as versionName while build-number used as versionCode.
+# Read more about Android versioning at https://developer.android.com/studio/publish/versioning
+# In iOS, build-name is used as CFBundleShortVersionString while build-number is used as CFBundleVersion.
+# Read more about iOS versioning at
+# https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
+# In Windows, build-name is used as the major, minor, and patch parts
+# of the product and file versions while build-number is used as the build suffix.
+version: 1.0.0+1
+
+environment:
+  sdk: ^3.9.2
+
+# Dependencies specify other packages that your package needs in order to work.
+# To automatically upgrade your package dependencies to the latest versions
+# consider running `flutter pub upgrade --major-versions`. Alternatively,
+# dependencies can be manually updated by changing the version numbers below to
+# the latest version available on pub.dev. To see which dependencies have newer
+# versions available, run `flutter pub outdated`.
+dependencies:
+  flutter:
+    sdk: flutter
+
+  # The following adds the Cupertino Icons font to your application.
+  # Use with the CupertinoIcons class for iOS style icons.
+  cupertino_icons: ^1.0.8
+  flame: ^1.34.0
+  share_plus: ^12.0.1
+  flame_forge2d: ^0.19.2+2
+  shared_preferences: ^2.3.2
+  url_launcher: ^6.3.0
+  google_fonts: ^6.3.3
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+
+  # The "flutter_lints" package below contains a set of recommended lints to
+  # encourage good coding practices. The lint set provided by the package is
+  # activated in the `analysis_options.yaml` file located at the root of your
+  # package. See that file for information about deactivating specific lint
+  # rules and activating additional ones.
+  flutter_lints: ^5.0.0
+
+# For information on the generic Dart part of this file, see the
+# following page: https://dart.dev/tools/pub/pubspec
+
+# The following section is specific to Flutter packages.
+flutter:
+
+  # The following line ensures that the Material Icons font is
+  # included with your application, so that you can use the icons in
+  # the material Icons class.
+  uses-material-design: true
+
+  # To add assets to your application, add an assets section, like this:
+  assets:
+    - images/
+  #   - images/a_dot_ham.jpeg
+
+  # An image asset can refer to one or more resolution-specific "variants", see
+  # https://flutter.dev/to/resolution-aware-images
+
+  # For details regarding adding assets from package dependencies, see
+  # https://flutter.dev/to/asset-from-package
+
+  # To add custom fonts to your application, add a fonts section here,
+  # in this "flutter" section. Each entry in this list should have a
+  # "family" key with the font family name, and a "fonts" key with a
+  # list giving the asset and other descriptors for the font. For
+  # example:
+  # fonts:
+  #   - family: Schyler
+  #     fonts:
+  #       - asset: fonts/Schyler-Regular.ttf
+  #       - asset: fonts/Schyler-Italic.ttf
+  #         style: italic
+  #   - family: Trajan Pro
+  #     fonts:
+  #       - asset: fonts/TrajanPro.ttf
+  #       - asset: fonts/TrajanPro_Bold.ttf
+  #         weight: 700
+  #
+  # For details regarding fonts from package dependencies,
+  # see https://flutter.dev/to/font-from-package

test/widget_test.dart

@@ -0,0 +1,30 @@
+// This is a basic Flutter widget test.
+//
+// To perform an interaction with a widget in your test, use the WidgetTester
+// utility in the flutter_test package. For example, you can send tap and scroll
+// gestures. You can also use WidgetTester to find child widgets in the widget
+// tree, read text, and verify that the values of widget properties are correct.
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:line_ink_guide/main.dart';
+
+void main() {
+  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
+    // Build our app and trigger a frame.
+    await tester.pumpWidget(const MyApp());
+
+    // Verify that our counter starts at 0.
+    expect(find.text('0'), findsOneWidget);
+    expect(find.text('1'), findsNothing);
+
+    // Tap the '+' icon and trigger a frame.
+    await tester.tap(find.byIcon(Icons.add));
+    await tester.pump();
+
+    // Verify that our counter has incremented.
+    expect(find.text('0'), findsNothing);
+    expect(find.text('1'), findsOneWidget);
+  });
+}