diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..d738cea
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,15 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Rider ignored files
+/contentModel.xml
+/.idea.linuxdistro-roguelite.iml
+/modules.xml
+/projectSettingsUpdater.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Ignored default folder with query files
+/queries/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
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index 799f8ae..eb1ca73 100644
--- a/Assets/Data/Distros/Fedora.asset
+++ b/Assets/Data/Distros/Fedora.asset
@@ -16,7 +16,7 @@ MonoBehaviour:
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index dda654c..0000000
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index ec81959..cb8d112 100644
--- a/Assets/Data/Distros/Mint.asset
+++ b/Assets/Data/Distros/Mint.asset
@@ -16,7 +16,7 @@ MonoBehaviour:
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   playstyleSummary: zero-variance comfort. every number lands at its ceiling, so you always know exactly what a turn does -- at the cost of a high-roll upside.
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deleted file mode 100644
index 0b6c5ea..0000000
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index 7189990..47aa428 100644
--- a/Assets/Data/Distros/Ubuntu.asset
+++ b/Assets/Data/Distros/Ubuntu.asset
@@ -16,7 +16,7 @@ MonoBehaviour:
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-fileFormatVersion: 2
-guid: 3b76dcac6b8cae447bb9079460692238
\ No newline at end of file
diff --git a/Assets/Scripts/Core/SceneLoader.cs.meta b/Assets/Scripts/Core/SceneLoader.cs.meta
deleted file mode 100644
index 519c755..0000000
--- a/Assets/Scripts/Core/SceneLoader.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 0d860bbf8e7f4df2a91e2e1e9892d904
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Assets/Scripts/Core/StatusType.cs.meta b/Assets/Scripts/Core/StatusType.cs.meta
deleted file mode 100644
index 4304e27..0000000
--- a/Assets/Scripts/Core/StatusType.cs.meta
+++ /dev/null
@@ -1,2 +0,0 @@
-fileFormatVersion: 2
-guid: cbdd46dffec613346ae6191f18a94225
\ No newline at end of file
diff --git a/Assets/Scripts/Core/TurnPhase.cs.meta b/Assets/Scripts/Core/TurnPhase.cs.meta
deleted file mode 100644
index 0289dec..0000000
--- a/Assets/Scripts/Core/TurnPhase.cs.meta
+++ /dev/null
@@ -1,2 +0,0 @@
-fileFormatVersion: 2
-guid: e1974726f936d0640943801549b4574e
\ No newline at end of file
diff --git a/Assets/Scripts/Data.meta b/Assets/Scripts/Data.meta
deleted file mode 100644
index ede1e85..0000000
--- a/Assets/Scripts/Data.meta
+++ /dev/null
@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: e0a39b97df9ee0641b2bbadf5bca417c
-folderAsset: yes
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Assets/Scripts/Data/CardDefinition.cs.meta b/Assets/Scripts/Data/CardDefinition.cs.meta
deleted file mode 100644
index ade0308..0000000
--- a/Assets/Scripts/Data/CardDefinition.cs.meta
+++ /dev/null
@@ -1,2 +0,0 @@
-fileFormatVersion: 2
-guid: 5178747fac4dbfc448ff15d8a687e03c
\ No newline at end of file
diff --git a/Assets/Scripts/Data/CardEffectDefinition.cs.meta b/Assets/Scripts/Data/CardEffectDefinition.cs.meta
deleted file mode 100644
index d01f83e..0000000
--- a/Assets/Scripts/Data/CardEffectDefinition.cs.meta
+++ /dev/null
@@ -1,2 +0,0 @@
-fileFormatVersion: 2
-guid: fdb3d58d94b76834598e408448e19d2a
\ No newline at end of file
diff --git a/Assets/Scripts/Data/DistroDatabase.cs.meta b/Assets/Scripts/Data/DistroDatabase.cs.meta
deleted file mode 100644
index edaf02c..0000000
--- a/Assets/Scripts/Data/DistroDatabase.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 5af93d291e7d4d51b312bdf1e47dc6ef
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
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diff --git a/Assets/Scripts/Data/DistroDefinition.cs.meta b/Assets/Scripts/Data/DistroDefinition.cs.meta
deleted file mode 100644
index e8037bd..0000000
--- a/Assets/Scripts/Data/DistroDefinition.cs.meta
+++ /dev/null
@@ -1,2 +0,0 @@
-fileFormatVersion: 2
-guid: bd550368fd0c75d43a53aa4fb3b6541e
\ No newline at end of file
diff --git a/Assets/Scripts/Data/EnemyDefinition.cs.meta b/Assets/Scripts/Data/EnemyDefinition.cs.meta
deleted file mode 100644
index 9c557ab..0000000
--- a/Assets/Scripts/Data/EnemyDefinition.cs.meta
+++ /dev/null
@@ -1,2 +0,0 @@
-fileFormatVersion: 2
-guid: 8b5b43b43c697c142b33fbfc5160cf90
\ No newline at end of file
diff --git a/Assets/Scripts/Data/StatusEffectDefinition.cs.meta b/Assets/Scripts/Data/StatusEffectDefinition.cs.meta
deleted file mode 100644
index 150a317..0000000
--- a/Assets/Scripts/Data/StatusEffectDefinition.cs.meta
+++ /dev/null
@@ -1,2 +0,0 @@
-fileFormatVersion: 2
-guid: 1470a223647d6514f9439de7ded702c9
\ No newline at end of file
diff --git a/Assets/Scripts/KernelPanic.Runtime.asmdef.meta b/Assets/Scripts/KernelPanic.Runtime.asmdef.meta
deleted file mode 100644
index 667deb9..0000000
--- a/Assets/Scripts/KernelPanic.Runtime.asmdef.meta
+++ /dev/null
@@ -1,7 +0,0 @@
-fileFormatVersion: 2
-guid: 6aad857173769044f861a0c6b1318032
-AssemblyDefinitionImporter:
-  externalObjects: {}
-  userData: 
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diff --git a/Assets/Scripts/Meta.meta b/Assets/Scripts/Meta.meta
deleted file mode 100644
index 05e8c60..0000000
--- a/Assets/Scripts/Meta.meta
+++ /dev/null
@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: ae19044bbccbb074da1d5e38b61e5657
-folderAsset: yes
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Assets/Scripts/Meta/EntropyWallet.cs b/Assets/Scripts/Meta/EntropyWallet.cs
index 83aa4db..b59e6f2 100644
--- a/Assets/Scripts/Meta/EntropyWallet.cs
+++ b/Assets/Scripts/Meta/EntropyWallet.cs
@@ -7,6 +7,11 @@ namespace KernelPanic.Meta
     {
         public int Balance { get; private set; }
 
+        public void SetBalance(int amount)
+        {
+            Balance = amount < 0 ? 0 : amount;
+        }
+
         public void Add(int amount)
         {
             Balance += amount;
diff --git a/Assets/Scripts/Meta/EntropyWallet.cs.meta b/Assets/Scripts/Meta/EntropyWallet.cs.meta
deleted file mode 100644
index fc4c673..0000000
--- a/Assets/Scripts/Meta/EntropyWallet.cs.meta
+++ /dev/null
@@ -1,2 +0,0 @@
-fileFormatVersion: 2
-guid: 8b77d0de67282ca4181a7c53feec4343
\ No newline at end of file
diff --git a/Assets/Scripts/Meta/GachaBannerState.cs b/Assets/Scripts/Meta/GachaBannerState.cs
new file mode 100644
index 0000000..567191a
--- /dev/null
+++ b/Assets/Scripts/Meta/GachaBannerState.cs
@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+
+namespace KernelPanic.Meta
+{
+    /// <summary>
+    /// Stores per-banner counters that must persist between sessions.
+    /// </summary>
+    [Serializable]
+    public sealed class GachaBannerState
+    {
+        public string bannerId;
+        public int totalPulls;
+        public int pityCounter;
+        public int fiveStarPityCounter;
+        public bool exhausted;
+        public bool featuredFiveStarGuaranteed;
+        public List<string> guaranteedDistroIds = new();
+
+        public GachaBannerState()
+        {
+        }
+
+        public GachaBannerState(string bannerId)
+        {
+            this.bannerId = bannerId;
+        }
+
+        public void EnsureLists()
+        {
+            guaranteedDistroIds ??= new List<string>();
+        }
+    }
+}
diff --git a/Assets/Scripts/Meta/GachaCurrencyType.cs b/Assets/Scripts/Meta/GachaCurrencyType.cs
new file mode 100644
index 0000000..4023677
--- /dev/null
+++ b/Assets/Scripts/Meta/GachaCurrencyType.cs
@@ -0,0 +1,11 @@
+namespace KernelPanic.Meta
+{
+    /// <summary>
+    /// Identifies currencies spent on banner pulls.
+    /// </summary>
+    public enum GachaCurrencyType
+    {
+        StandardPull,
+        LimitedPull
+    }
+}
diff --git a/Assets/Scripts/Meta/GachaRewardType.cs b/Assets/Scripts/Meta/GachaRewardType.cs
new file mode 100644
index 0000000..a7dce16
--- /dev/null
+++ b/Assets/Scripts/Meta/GachaRewardType.cs
@@ -0,0 +1,12 @@
+namespace KernelPanic.Meta
+{
+    /// <summary>
+    /// Describes the persistent reward category produced by a gacha pull.
+    /// </summary>
+    public enum GachaRewardType
+    {
+        Equipment,
+        Distro,
+        FutureStandardFiveStarDistro
+    }
+}
diff --git a/Assets/Scripts/Meta/GachaService.cs b/Assets/Scripts/Meta/GachaService.cs
index 4236f45..438b173 100644
--- a/Assets/Scripts/Meta/GachaService.cs
+++ b/Assets/Scripts/Meta/GachaService.cs
@@ -5,16 +5,150 @@ using KernelPanic.Data;
 namespace KernelPanic.Meta
 {
     /// <summary>
-    /// Provides the contract for spending entropy on persistent unlock pulls.
+    /// Provides persistent banner pull logic and currency accounting.
     /// </summary>
     public sealed class GachaService
     {
-        private readonly List<DistroDefinition> bannerPool = new();
+        public const string BeginnerBannerId = "beginner";
+        public const string StandardBannerId = "standard";
+        public const string LimitedBannerId = "limited";
+        public const int BeginnerMaxPulls = 50;
+        public const int BeginnerSinglePullCost = 1;
+        public const int BeginnerTenPullCost = 8;
+        public const int FourStarHardPity = 10;
+        public const int FiveStarSoftPityStart = 66;
+        public const int FiveStarHardPity = 80;
+        public const int EntropyPerPullToken = 100;
 
-        public int PullTokens => 0; // TODO: Replace with the real pull-token wallet when that meta system exists.
+        private const double FourStarBaseChance = 0.12d;
+        private const double FiveStarBaseChance = 0.008d;
+        private const double FiveStarSoftPityStep = 0.07d;
+        private const double DistroChanceOnFeaturedTier = 0.5d;
+        private const double LimitedStandardFiveStarChance = 1d / 3d;
+
+        private readonly List<DistroDefinition> bannerPool = new();
+        private readonly Dictionary<GachaCurrencyType, int> currencyBalances = new();
+        private readonly Random random;
+        private GachaBannerState beginnerState = new(BeginnerBannerId);
+
+        public GachaService()
+            : this(new Random())
+        {
+        }
+
+        public GachaService(Random random)
+        {
+            this.random = random ?? new Random();
+            currencyBalances[GachaCurrencyType.StandardPull] = 0;
+            currencyBalances[GachaCurrencyType.LimitedPull] = 0;
+        }
+
+        public int PullTokens => GetCurrencyBalance(GachaCurrencyType.StandardPull);
+        public int LimitedPullTokens => GetCurrencyBalance(GachaCurrencyType.LimitedPull);
+        public int RootCredits { get; private set; }
         public IReadOnlyList<DistroDefinition> BannerPool => bannerPool;
+        public GachaBannerState BeginnerState => beginnerState;
+        public bool IsBeginnerBannerAvailable => !beginnerState.exhausted && beginnerState.totalPulls < BeginnerMaxPulls && bannerPool.Count > 0;
 
         public event Action BannerPoolChanged;
+        public event Action Changed;
+
+        public void LoadProgress(SaveData data)
+        {
+            if (data == null)
+            {
+                return;
+            }
+
+            data.EnsureLists();
+            RootCredits = Math.Max(0, data.rootCredits);
+            SetCurrencyBalanceSilently(GachaCurrencyType.StandardPull, data.standardPullCurrency);
+            SetCurrencyBalanceSilently(GachaCurrencyType.LimitedPull, data.limitedPullCurrency);
+            beginnerState = data.beginnerBannerState ?? new GachaBannerState(BeginnerBannerId);
+            beginnerState.bannerId = BeginnerBannerId;
+            beginnerState.EnsureLists();
+            if (beginnerState.totalPulls >= BeginnerMaxPulls)
+            {
+                beginnerState.exhausted = true;
+            }
+
+            beginnerState.fiveStarPityCounter = Math.Max(0, beginnerState.fiveStarPityCounter);
+
+            Changed?.Invoke();
+        }
+
+        public void WriteProgress(SaveData data)
+        {
+            if (data == null)
+            {
+                return;
+            }
+
+            data.EnsureLists();
+            data.rootCredits = RootCredits;
+            data.standardPullCurrency = GetCurrencyBalance(GachaCurrencyType.StandardPull);
+            data.limitedPullCurrency = GetCurrencyBalance(GachaCurrencyType.LimitedPull);
+            data.beginnerBannerState = CloneState(beginnerState);
+        }
+
+        public int GetCurrencyBalance(GachaCurrencyType currencyType)
+        {
+            return currencyBalances.TryGetValue(currencyType, out int balance) ? balance : 0;
+        }
+
+        public void SetCurrencyBalance(GachaCurrencyType currencyType, int amount)
+        {
+            SetCurrencyBalanceSilently(currencyType, amount);
+            Changed?.Invoke();
+        }
+
+        public void AddCurrency(GachaCurrencyType currencyType, int amount)
+        {
+            if (amount <= 0)
+            {
+                return;
+            }
+
+            SetCurrencyBalance(currencyType, GetCurrencyBalance(currencyType) + amount);
+        }
+
+        public void AddRootCredits(int amount)
+        {
+            if (amount <= 0)
+            {
+                return;
+            }
+
+            RootCredits += amount;
+            Changed?.Invoke();
+        }
+
+        public bool ConvertRootCreditsToEntropy(EntropyWallet wallet, int amount, out string failureReason)
+        {
+            if (wallet == null)
+            {
+                failureReason = "entropy wallet unavailable";
+                return false;
+            }
+
+            if (amount <= 0)
+            {
+                failureReason = "no root-credits selected";
+                return false;
+            }
+
+            if (RootCredits < amount)
+            {
+                failureReason = $"need {amount} root-credits";
+                return false;
+            }
+
+            RootCredits -= amount;
+            wallet.Add(amount);
+            failureReason = null;
+            Changed?.Invoke();
+            return true;
+        }
 
         public void AddToBannerPool(DistroDefinition distro)
         {
@@ -25,26 +159,446 @@ namespace KernelPanic.Meta
 
             bannerPool.Add(distro);
             BannerPoolChanged?.Invoke();
+            Changed?.Invoke();
+        }
+
+        public void SetBeginnerGuaranteedDistros(IReadOnlyList<DistroDefinition> distros)
+        {
+            beginnerState.guaranteedDistroIds.Clear();
+            if (distros != null)
+            {
+                for (int i = 0; i < distros.Count; i++)
+                {
+                    DistroDefinition distro = distros[i];
+                    if (distro != null && !string.IsNullOrWhiteSpace(distro.Id))
+                    {
+                        beginnerState.guaranteedDistroIds.Add(distro.Id);
+                    }
+                }
+            }
+
+            Changed?.Invoke();
+        }
+
+        public int GetBeginnerPullCost(int pullCount)
+        {
+            return pullCount == 10 ? BeginnerTenPullCost : BeginnerSinglePullCost;
+        }
+
+        public bool CanPullBeginner(int pullCount, out string failureReason)
+        {
+            if (pullCount != 1 && pullCount != 10)
+            {
+                failureReason = "only single and ten pulls are supported";
+                return false;
+            }
+
+            if (!IsBeginnerBannerAvailable)
+            {
+                failureReason = "beginner banner unavailable";
+                return false;
+            }
+
+            int remainingPulls = BeginnerMaxPulls - beginnerState.totalPulls;
+            if (pullCount > remainingPulls)
+            {
+                failureReason = $"only {remainingPulls} beginner pull(s) remain";
+                return false;
+            }
+
+            int cost = GetBeginnerPullCost(pullCount);
+            if (GetCurrencyBalance(GachaCurrencyType.StandardPull) < cost)
+            {
+                failureReason = $"need {cost} {FormatCurrencyName(GachaCurrencyType.StandardPull)}";
+                return false;
+            }
+
+            failureReason = null;
+            return true;
+        }
+
+        public int GetMissingPullTokens(GachaCurrencyType currencyType, int pullCost)
+        {
+            return Math.Max(0, pullCost - GetCurrencyBalance(currencyType));
+        }
+
+        public bool CanCoverMissingPullTokensWithEntropy(EntropyWallet wallet, int missingPullTokens)
+        {
+            return missingPullTokens <= 0 || (wallet != null && wallet.Balance >= missingPullTokens * EntropyPerPullToken);
+        }
+
+        public GachaPullResult PerformBeginnerPull(int pullCount)
+        {
+            return PerformBeginnerPull(pullCount, null, 0);
+        }
+
+        public GachaPullResult PerformBeginnerPull(int pullCount, EntropyWallet wallet, int entropyTokenCount)
+        {
+            if (!CanPullBeginnerWithEntropy(pullCount, wallet, entropyTokenCount, out string failureReason))
+            {
+                return GachaPullResult.Failed(BeginnerBannerId, failureReason);
+            }
+
+            int cost = GetBeginnerPullCost(pullCount);
+            int tokenSpend = cost - entropyTokenCount;
+            if (tokenSpend > 0)
+            {
+                SetCurrencyBalanceSilently(GachaCurrencyType.StandardPull, GetCurrencyBalance(GachaCurrencyType.StandardPull) - tokenSpend);
+            }
+
+            int entropySpent = entropyTokenCount * EntropyPerPullToken;
+            if (entropySpent > 0)
+            {
+                wallet.Spend(entropySpent);
+            }
+
+            List<GachaReward> rewards = new();
+            for (int i = 0; i < pullCount; i++)
+            {
+                beginnerState.totalPulls++;
+                rewards.Add(RollBeginnerReward(beginnerState.totalPulls));
+            }
+
+            if (beginnerState.totalPulls >= BeginnerMaxPulls)
+            {
+                beginnerState.exhausted = true;
+            }
+
+            Changed?.Invoke();
+            return new GachaPullResult(true, BeginnerBannerId, GachaCurrencyType.StandardPull, tokenSpend, entropySpent, rewards, null);
+        }
+
+        public static string FormatCurrencyName(GachaCurrencyType currencyType)
+        {
+            return currencyType switch
+            {
+                GachaCurrencyType.LimitedPull => "feature-pull-token",
+                _ => "stable-pull-token"
+            };
+        }
+
+        public static double GetFiveStarChance(GachaBannerState state)
+        {
+            return GetFiveStarChance(state == null ? 0 : state.fiveStarPityCounter);
+        }
+
+        public static double GetFiveStarChance(int fiveStarPityCounter)
+        {
+            int pityPullNumber = Math.Max(0, fiveStarPityCounter) + 1;
+            if (pityPullNumber >= FiveStarHardPity)
+            {
+                return 1d;
+            }
+
+            if (pityPullNumber < FiveStarSoftPityStart)
+            {
+                return FiveStarBaseChance;
+            }
+
+            int softPitySteps = pityPullNumber - FiveStarSoftPityStart + 1;
+            return Math.Min(1d, FiveStarBaseChance + softPitySteps * FiveStarSoftPityStep);
         }
 
         public GachaPullResult PerformPull(EntropyWallet wallet, int cost)
         {
-            throw new NotImplementedException();
+            return PerformBeginnerPull(1);
+        }
+
+        private GachaReward RollBeginnerReward(int pullNumber)
+        {
+            if (pullNumber == 20)
+            {
+                AdvanceFiveStarPityAfterNonFiveStar(beginnerState);
+                return RewardGuaranteedBeginnerDistro(0, "20-pull starter guarantee");
+            }
+
+            if (pullNumber == 40)
+            {
+                AdvanceFiveStarPityAfterNonFiveStar(beginnerState);
+                return RewardGuaranteedBeginnerDistro(1, "40-pull starter guarantee");
+            }
+
+            if (pullNumber == 50)
+            {
+                beginnerState.pityCounter = 0;
+                return GachaReward.FutureStandardFiveStar("future standard 5-star distro", "50-pull beginner capstone");
+            }
+
+            if (TryRollFiveStar(beginnerState, out bool fiveStarPityTriggered))
+            {
+                return RewardRandomFiveStar(fiveStarPityTriggered);
+            }
+
+            bool pityTriggered = beginnerState.pityCounter >= FourStarHardPity - 1;
+            bool hitFourStarOrCharacter = pityTriggered || random.NextDouble() < FourStarBaseChance;
+            if (!hitFourStarOrCharacter)
+            {
+                beginnerState.pityCounter++;
+                return GachaReward.Equipment(3, "3-star equipment", false, false);
+            }
+
+            beginnerState.pityCounter = 0;
+            if (bannerPool.Count > 0 && random.NextDouble() < DistroChanceOnFeaturedTier)
+            {
+                DistroDefinition distro = bannerPool[random.Next(bannerPool.Count)];
+                return GachaReward.DistroReward(distro, 4, pityTriggered, false);
+            }
+
+            return GachaReward.Equipment(4, "4-star equipment", pityTriggered, false);
+        }
+
+        private bool TryRollFiveStar(GachaBannerState state, out bool pityTriggered)
+        {
+            state ??= beginnerState;
+            int pityPullNumber = Math.Max(0, state.fiveStarPityCounter) + 1;
+            pityTriggered = pityPullNumber >= FiveStarSoftPityStart;
+
+            double chance = GetFiveStarChance(state);
+            bool hit = chance >= 1d || random.NextDouble() < chance;
+            if (!hit)
+            {
+                state.fiveStarPityCounter++;
+                return false;
+            }
+
+            state.fiveStarPityCounter = 0;
+            state.pityCounter = 0;
+            return true;
+        }
+
+        private static void AdvanceFiveStarPityAfterNonFiveStar(GachaBannerState state)
+        {
+            if (state != null)
+            {
+                state.fiveStarPityCounter++;
+            }
+        }
+
+        private GachaReward RewardRandomFiveStar(bool pityTriggered)
+        {
+            if (bannerPool.Count == 0 || random.NextDouble() >= DistroChanceOnFeaturedTier)
+            {
+                return GachaReward.Equipment(5, "5-star equipment", pityTriggered, false);
+            }
+
+            DistroDefinition distro = bannerPool.Count == 0 ? null : bannerPool[random.Next(bannerPool.Count)];
+            return GachaReward.DistroReward(distro, 5, pityTriggered, false);
+        }
+
+        public bool ResolveFeaturedTierIsDistro()
+        {
+            return random.NextDouble() < DistroChanceOnFeaturedTier;
+        }
+
+        public bool ResolveLimitedFiveStarUsesStandardPool(GachaBannerState limitedState)
+        {
+            if (limitedState == null)
+            {
+                return false;
+            }
+
+            if (limitedState.featuredFiveStarGuaranteed)
+            {
+                limitedState.featuredFiveStarGuaranteed = false;
+                return false;
+            }
+
+            bool useStandardPool = random.NextDouble() < LimitedStandardFiveStarChance;
+            limitedState.featuredFiveStarGuaranteed = useStandardPool;
+            return useStandardPool;
+        }
+
+        private GachaReward RewardGuaranteedBeginnerDistro(int guaranteeIndex, string reason)
+        {
+            beginnerState.pityCounter = 0;
+            DistroDefinition distro = null;
+            if (guaranteeIndex >= 0 && guaranteeIndex < beginnerState.guaranteedDistroIds.Count)
+            {
+                distro = FindBannerPoolDistro(beginnerState.guaranteedDistroIds[guaranteeIndex]);
+            }
+
+            distro ??= bannerPool.Count == 0 ? null : bannerPool[Math.Min(guaranteeIndex, bannerPool.Count - 1)];
+            return distro == null
+                ? GachaReward.Equipment(4, "4-star equipment", true, true)
+                : GachaReward.DistroReward(distro, 4, true, true, reason);
+        }
+
+        private DistroDefinition FindBannerPoolDistro(string id)
+        {
+            if (string.IsNullOrWhiteSpace(id))
+            {
+                return null;
+            }
+
+            for (int i = 0; i < bannerPool.Count; i++)
+            {
+                DistroDefinition distro = bannerPool[i];
+                if (distro != null && string.Equals(distro.Id, id, StringComparison.OrdinalIgnoreCase))
+                {
+                    return distro;
+                }
+            }
+
+            return null;
+        }
+
+        private void SetCurrencyBalanceSilently(GachaCurrencyType currencyType, int amount)
+        {
+            currencyBalances[currencyType] = Math.Max(0, amount);
+        }
+
+        private bool CanPullBeginnerWithEntropy(int pullCount, EntropyWallet wallet, int entropyTokenCount, out string failureReason)
+        {
+            if (pullCount != 1 && pullCount != 10)
+            {
+                failureReason = "only single and ten pulls are supported";
+                return false;
+            }
+
+            if (!IsBeginnerBannerAvailable)
+            {
+                failureReason = "beginner banner unavailable";
+                return false;
+            }
+
+            int remainingPulls = BeginnerMaxPulls - beginnerState.totalPulls;
+            if (pullCount > remainingPulls)
+            {
+                failureReason = $"only {remainingPulls} beginner pull(s) remain";
+                return false;
+            }
+
+            int cost = GetBeginnerPullCost(pullCount);
+            if (entropyTokenCount < 0 || entropyTokenCount > cost)
+            {
+                failureReason = "invalid entropy substitute amount";
+                return false;
+            }
+
+            int tokenSpend = cost - entropyTokenCount;
+            if (GetCurrencyBalance(GachaCurrencyType.StandardPull) < tokenSpend)
+            {
+                failureReason = $"need {tokenSpend} {FormatCurrencyName(GachaCurrencyType.StandardPull)}";
+                return false;
+            }
+
+            int entropySpend = entropyTokenCount * EntropyPerPullToken;
+            if (entropySpend > 0 && (wallet == null || wallet.Balance < entropySpend))
+            {
+                failureReason = $"need {entropySpend} entropy";
+                return false;
+            }
+
+            failureReason = null;
+            return true;
+        }
+
+        private static GachaBannerState CloneState(GachaBannerState state)
+        {
+            state ??= new GachaBannerState(BeginnerBannerId);
+            state.EnsureLists();
+            GachaBannerState clone = new(state.bannerId)
+            {
+                totalPulls = state.totalPulls,
+                pityCounter = state.pityCounter,
+                fiveStarPityCounter = state.fiveStarPityCounter,
+                exhausted = state.exhausted,
+                featuredFiveStarGuaranteed = state.featuredFiveStarGuaranteed
+            };
+            clone.guaranteedDistroIds.AddRange(state.guaranteedDistroIds);
+            return clone;
         }
     }
 
     /// <summary>
-    /// Represents the result of a persistent unlock pull.
+    /// Describes one reward entry from one pull.
+    /// </summary>
+    public readonly struct GachaReward
+    {
+        private GachaReward(
+            GachaRewardType rewardType,
+            int starRating,
+            string displayName,
+            DistroDefinition distro,
+            bool pityTriggered,
+            bool guaranteed,
+            string guaranteeReason)
+        {
+            RewardType = rewardType;
+            StarRating = starRating;
+            DisplayName = displayName;
+            Distro = distro;
+            PityTriggered = pityTriggered;
+            Guaranteed = guaranteed;
+            GuaranteeReason = guaranteeReason;
+        }
+
+        public GachaRewardType RewardType { get; }
+        public int StarRating { get; }
+        public string DisplayName { get; }
+        public DistroDefinition Distro { get; }
+        public bool PityTriggered { get; }
+        public bool Guaranteed { get; }
+        public string GuaranteeReason { get; }
+
+        public static GachaReward Equipment(int starRating, string displayName, bool pityTriggered, bool guaranteed)
+        {
+            return new GachaReward(GachaRewardType.Equipment, starRating, displayName, null, pityTriggered, guaranteed, null);
+        }
+
+        public static GachaReward DistroReward(DistroDefinition distro, int starRating, bool pityTriggered, bool guaranteed, string guaranteeReason = null)
+        {
+            string displayName = distro == null ? "unknown distro" : DistroDisplayName(distro);
+            return new GachaReward(GachaRewardType.Distro, starRating, displayName, distro, pityTriggered, guaranteed, guaranteeReason);
+        }
+
+        public static GachaReward FutureStandardFiveStar(string displayName, string guaranteeReason)
+        {
+            return new GachaReward(GachaRewardType.FutureStandardFiveStarDistro, 5, displayName, null, true, true, guaranteeReason);
+        }
+
+        private static string DistroDisplayName(DistroDefinition distro)
+        {
+            return string.IsNullOrWhiteSpace(distro.DisplayName) ? distro.name : distro.DisplayName;
+        }
+    }
+
+    /// <summary>
+    /// Represents the result of a banner pull request.
     /// </summary>
     public readonly struct GachaPullResult
     {
-        public GachaPullResult(bool success, string unlockId)
+        public GachaPullResult(
+            bool success,
+            string bannerId,
+            GachaCurrencyType currencyType,
+            int currencySpent,
+            int entropySpent,
+            IReadOnlyList<GachaReward> rewards,
+            string failureReason)
         {
             Success = success;
-            UnlockId = unlockId;
+            BannerId = bannerId;
+            CurrencyType = currencyType;
+            CurrencySpent = currencySpent;
+            EntropySpent = entropySpent;
+            Rewards = rewards ?? Array.Empty<GachaReward>();
+            FailureReason = failureReason;
+            UnlockId = Rewards.Count > 0 && Rewards[0].Distro != null ? Rewards[0].Distro.Id : null;
         }
 
         public bool Success { get; }
+        public string BannerId { get; }
+        public GachaCurrencyType CurrencyType { get; }
+        public int CurrencySpent { get; }
+        public int EntropySpent { get; }
+        public IReadOnlyList<GachaReward> Rewards { get; }
+        public string FailureReason { get; }
         public string UnlockId { get; }
+
+        public static GachaPullResult Failed(string bannerId, string reason)
+        {
+            return new GachaPullResult(false, bannerId, GachaCurrencyType.StandardPull, 0, 0, Array.Empty<GachaReward>(), reason);
+        }
     }
 }
diff --git a/Assets/Scripts/Meta/GachaService.cs.meta b/Assets/Scripts/Meta/GachaService.cs.meta
deleted file mode 100644
index 098ee49..0000000
--- a/Assets/Scripts/Meta/GachaService.cs.meta
+++ /dev/null
@@ -1,2 +0,0 @@
-fileFormatVersion: 2
-guid: f62e697e985a8a44ca26ccb8e853ee66
\ No newline at end of file
diff --git a/Assets/Scripts/Meta/IEventBannerSource.cs.meta b/Assets/Scripts/Meta/IEventBannerSource.cs.meta
deleted file mode 100644
index 6e0db88..0000000
--- a/Assets/Scripts/Meta/IEventBannerSource.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 542dd3144a914ea5b1e0c0e21db5ec6b
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Assets/Scripts/Meta/PlayerCollection.cs b/Assets/Scripts/Meta/PlayerCollection.cs
index a39c10d..69d9959 100644
--- a/Assets/Scripts/Meta/PlayerCollection.cs
+++ b/Assets/Scripts/Meta/PlayerCollection.cs
@@ -13,7 +13,6 @@ namespace KernelPanic.Meta
         private int featuredIndex;
 
         // TODO: Populate owned units from SaveService during bootstrap.
-        // TODO: Add newly unlocked units from GachaService rewards when pulls exist.
         public IReadOnlyList<DistroDefinition> OwnedUnits => ownedUnits;
         public DistroDefinition FeaturedUnit => ownedUnits.Count == 0 ? null : ownedUnits[Math.Clamp(featuredIndex, 0, ownedUnits.Count - 1)];
 
@@ -21,7 +20,7 @@ namespace KernelPanic.Meta
 
         public void Add(DistroDefinition unit)
         {
-            if (unit == null || ownedUnits.Contains(unit))
+            if (unit == null)
             {
                 return;
             }
@@ -32,6 +31,26 @@ namespace KernelPanic.Meta
             Changed?.Invoke();
         }
 
+        public int GetOwnedCount(string unitId)
+        {
+            if (string.IsNullOrWhiteSpace(unitId))
+            {
+                return 0;
+            }
+
+            int count = 0;
+            for (int i = 0; i < ownedUnits.Count; i++)
+            {
+                DistroDefinition unit = ownedUnits[i];
+                if (unit != null && string.Equals(unit.Id, unitId, StringComparison.OrdinalIgnoreCase))
+                {
+                    count++;
+                }
+            }
+
+            return count;
+        }
+
         public void SelectNextFeatured()
         {
             if (ownedUnits.Count < 2)
diff --git a/Assets/Scripts/Meta/PlayerCollection.cs.meta b/Assets/Scripts/Meta/PlayerCollection.cs.meta
deleted file mode 100644
index eeac422..0000000
--- a/Assets/Scripts/Meta/PlayerCollection.cs.meta
+++ /dev/null
@@ -1,2 +0,0 @@
-fileFormatVersion: 2
-guid: 4a10ff65b6e9478d9fe638f8a39f8144
diff --git a/Assets/Scripts/Meta/SaveService.cs b/Assets/Scripts/Meta/SaveService.cs
index 3aa4ae2..62d5f8c 100644
--- a/Assets/Scripts/Meta/SaveService.cs
+++ b/Assets/Scripts/Meta/SaveService.cs
@@ -58,8 +58,13 @@ namespace KernelPanic.Meta
     public sealed class SaveData
     {
         public bool starterChosen;
+        public int entropyBalance;
+        public int rootCredits;
+        public int standardPullCurrency;
+        public int limitedPullCurrency;
         public List<string> ownedUnitIds = new();
         public List<string> bannerPoolIds = new();
+        public GachaBannerState beginnerBannerState = new(GachaService.BeginnerBannerId);
         public LastRunLoadoutSaveEntry lastRunLoadout = new();
 
         public static SaveData CreateDefault()
@@ -71,6 +76,9 @@ namespace KernelPanic.Meta
         {
             ownedUnitIds ??= new List<string>();
             bannerPoolIds ??= new List<string>();
+            beginnerBannerState ??= new GachaBannerState(GachaService.BeginnerBannerId);
+            beginnerBannerState.bannerId = GachaService.BeginnerBannerId;
+            beginnerBannerState.EnsureLists();
             lastRunLoadout ??= new LastRunLoadoutSaveEntry();
             lastRunLoadout.EnsureLists();
         }
diff --git a/Assets/Scripts/Meta/SaveService.cs.meta b/Assets/Scripts/Meta/SaveService.cs.meta
deleted file mode 100644
index aa82016..0000000
--- a/Assets/Scripts/Meta/SaveService.cs.meta
+++ /dev/null
@@ -1,2 +0,0 @@
-fileFormatVersion: 2
-guid: 752a83f338afd024b8e728a1921e38ee
\ No newline at end of file
diff --git a/Assets/Scripts/Run.meta b/Assets/Scripts/Run.meta
deleted file mode 100644
index c0ea1d4..0000000
--- a/Assets/Scripts/Run.meta
+++ /dev/null
@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: 9ae21840b594d4147a8f5497c992b4fa
-folderAsset: yes
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Assets/Scripts/Run/RewardService.cs.meta b/Assets/Scripts/Run/RewardService.cs.meta
deleted file mode 100644
index 7277a39..0000000
--- a/Assets/Scripts/Run/RewardService.cs.meta
+++ /dev/null
@@ -1,2 +0,0 @@
-fileFormatVersion: 2
-guid: a06eada6fbafd6e44ae1d21238a64750
\ No newline at end of file
diff --git a/Assets/Scripts/Run/RunConfig.cs.meta b/Assets/Scripts/Run/RunConfig.cs.meta
deleted file mode 100644
index c8b050b..0000000
--- a/Assets/Scripts/Run/RunConfig.cs.meta
+++ /dev/null
@@ -1,2 +0,0 @@
-fileFormatVersion: 2
-guid: 0c3d34a2ce0e53b4b8f9a77feb60fb95
\ No newline at end of file
diff --git a/Assets/Scripts/Run/RunManager.cs.meta b/Assets/Scripts/Run/RunManager.cs.meta
deleted file mode 100644
index 304b6b9..0000000
--- a/Assets/Scripts/Run/RunManager.cs.meta
+++ /dev/null
@@ -1,2 +0,0 @@
-fileFormatVersion: 2
-guid: 234cc6c5ca577b64ea44020f5514cebe
\ No newline at end of file
diff --git a/Assets/Scripts/UI.meta b/Assets/Scripts/UI.meta
deleted file mode 100644
index 649c90c..0000000
--- a/Assets/Scripts/UI.meta
+++ /dev/null
@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: 84a74d1de7c84009a2cf84394e8a9fa2
-folderAsset: yes
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Assets/Scripts/UI/AsciiArtFitter.cs.meta b/Assets/Scripts/UI/AsciiArtFitter.cs.meta
deleted file mode 100644
index 71deae5..0000000
--- a/Assets/Scripts/UI/AsciiArtFitter.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 6f677d4ac6de4dca8e92a3efa687ff1b
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Assets/Scripts/UI/BackgroundLogRingBuffer.cs.meta b/Assets/Scripts/UI/BackgroundLogRingBuffer.cs.meta
deleted file mode 100644
index 44de24e..0000000
--- a/Assets/Scripts/UI/BackgroundLogRingBuffer.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 03ad9dd5bf1d46ee9cd2a6f54d17b5fa
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Assets/Scripts/UI/BootLogCopy.cs.meta b/Assets/Scripts/UI/BootLogCopy.cs.meta
deleted file mode 100644
index 9499cb7..0000000
--- a/Assets/Scripts/UI/BootLogCopy.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: e05527a70e234c16af2f9089012721b8
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Assets/Scripts/UI/DistroArtPresenter.cs.meta b/Assets/Scripts/UI/DistroArtPresenter.cs.meta
deleted file mode 100644
index 5791635..0000000
--- a/Assets/Scripts/UI/DistroArtPresenter.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 4bf334307f22465cad853cb6b3757468
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Assets/Scripts/UI/FeaturedUnitPanel.cs.meta b/Assets/Scripts/UI/FeaturedUnitPanel.cs.meta
deleted file mode 100644
index f9419c6..0000000
--- a/Assets/Scripts/UI/FeaturedUnitPanel.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: c7f7ef4e16694ed9bd746278b0ddc4d8
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Assets/Scripts/UI/GachaScreenController.cs b/Assets/Scripts/UI/GachaScreenController.cs
new file mode 100644
index 0000000..5f06901
--- /dev/null
+++ b/Assets/Scripts/UI/GachaScreenController.cs
@@ -0,0 +1,487 @@
+using System;
+using System.Collections.Generic;
+using KernelPanic.Data;
+using KernelPanic.Meta;
+using UnityEngine;
+using UnityEngine.TextCore.Text;
+using UnityEngine.UIElements;
+
+namespace KernelPanic.UI
+{
+    /// <summary>
+    /// Renders banner selection and pull controls for the gacha screen.
+    /// </summary>
+    [Serializable]
+    public sealed class GachaScreenController
+    {
+        private const string SelectedClassName = "selected";
+
+        private readonly List<VisualElement> bannerRows = new();
+        private readonly string[] bannerIds =
+        {
+            GachaService.BeginnerBannerId,
+            GachaService.StandardBannerId,
+            GachaService.LimitedBannerId
+        };
+
+        private VisualElement bannerList;
+        private VisualElement bannerDetail;
+        private DistroDatabase distroDatabase;
+        private FontAsset monospaceFont;
+        private GachaService gachaService;
+        private PlayerCollection playerCollection;
+        private EntropyWallet wallet;
+        private Action onChanged;
+        private Action requestRootCreditExchange;
+        private int selectedBannerIndex;
+        private int pendingPullCount;
+        private int pendingMissingTokens;
+        private bool hasOpened;
+        private string resultBannerId;
+        private string resultText;
+
+        public void Bind(VisualElement root, DistroDatabase database, FontAsset artFont, GachaService service, PlayerCollection collection, EntropyWallet entropyWallet, Action changedCallback, Action rootCreditExchangeCallback)
+        {
+            distroDatabase = database;
+            monospaceFont = artFont;
+            gachaService = service;
+            playerCollection = collection;
+            wallet = entropyWallet;
+            onChanged = changedCallback;
+            requestRootCreditExchange = rootCreditExchangeCallback;
+            bannerList = root.Q<VisualElement>("GachaBannerList");
+            bannerDetail = root.Q<VisualElement>("GachaBannerDetail");
+        }
+
+        public void Open()
+        {
+            if (!hasOpened)
+            {
+                selectedBannerIndex = 0;
+                hasOpened = true;
+            }
+
+            Refresh();
+        }
+
+        public void Refresh()
+        {
+            if (bannerList == null || bannerDetail == null || gachaService == null)
+            {
+                return;
+            }
+
+            bannerRows.Clear();
+            bannerList.Clear();
+
+            for (int i = 0; i < bannerIds.Length; i++)
+            {
+                int index = i;
+                VisualElement row = BuildBannerRow(bannerIds[i]);
+                row.RegisterCallback<ClickEvent>(_ => SelectBanner(index));
+                bannerList.Add(row);
+                bannerRows.Add(row);
+            }
+
+            selectedBannerIndex = Mathf.Clamp(selectedBannerIndex, 0, bannerRows.Count - 1);
+            ApplySelectedBanner();
+        }
+
+        public void HandleKeyDown(KeyDownEvent evt)
+        {
+            // Pulls are deliberately click-only to avoid accidental currency spend.
+        }
+
+        private VisualElement BuildBannerRow(string bannerId)
+        {
+            VisualElement row = new();
+            row.AddToClassList("gacha-banner-row");
+
+            row.Add(new Label(">") { name = $"GachaBannerCursor_{bannerId}" });
+            row.ElementAt(0).AddToClassList("command-cursor");
+
+            row.Add(new Label(GetBannerTitle(bannerId)) { name = $"GachaBannerName_{bannerId}" });
+            row.ElementAt(1).AddToClassList("command-text");
+
+            row.Add(new Label(GetBannerStatus(bannerId)) { name = $"GachaBannerStatus_{bannerId}" });
+            row.ElementAt(2).AddToClassList("command-description");
+
+            return row;
+        }
+
+        private void SelectBanner(int index)
+        {
+            if (bannerRows.Count == 0)
+            {
+                return;
+            }
+
+            selectedBannerIndex = (index + bannerRows.Count) % bannerRows.Count;
+            ApplySelectedBanner();
+        }
+
+        private void ApplySelectedBanner()
+        {
+            for (int i = 0; i < bannerRows.Count; i++)
+            {
+                bool selected = i == selectedBannerIndex;
+                bannerRows[i].EnableInClassList(SelectedClassName, selected);
+                bannerRows[i].Q<Label>(className: "command-cursor").visible = selected;
+            }
+
+            RenderSelectedBanner();
+        }
+
+        private void RenderSelectedBanner()
+        {
+            bannerDetail.Clear();
+            string bannerId = bannerIds[selectedBannerIndex];
+            if (bannerId == GachaService.BeginnerBannerId)
+            {
+                RenderBeginnerBanner();
+                return;
+            }
+
+            RenderFutureBanner(bannerId);
+        }
+
+        private void RenderBeginnerBanner()
+        {
+            GachaBannerState state = gachaService.BeginnerState;
+            bannerDetail.Add(BuildBannerHero("beginner install media"));
+
+            Label title = new("beginner install media");
+            title.AddToClassList("gacha-detail-title");
+            bannerDetail.Add(title);
+
+            bannerDetail.Add(BuildInfoLine("entropy", wallet == null ? "--" : wallet.Balance.ToString()));
+            bannerDetail.Add(BuildInfoLine("pulls", $"{state.totalPulls}/{GachaService.BeginnerMaxPulls}"));
+            bannerDetail.Add(BuildInfoLine("4-star pity", $"{state.pityCounter}/{GachaService.FourStarHardPity}"));
+            bannerDetail.Add(BuildInfoLine("ten pull", $"{GachaService.BeginnerTenPullCost} stable-pull-tokens for 10 pulls"));
+            bannerDetail.Add(BuildInfoLine("guarantees", FormatBeginnerGuarantees()));
+
+            Label rules = new("Base result is a 3-star equipment cache. A 4-star equipment cache or starter distro can appear early, with one 4-star+ result guaranteed every 10 pulls.");
+            rules.AddToClassList("gacha-rules");
+            bannerDetail.Add(rules);
+
+            VisualElement actions = new();
+            actions.AddToClassList("gacha-actions");
+
+            Button singleButton = new(() => RequestPullSelectedBanner(1))
+            {
+                text = $"git pull --single\n1x {GachaService.FormatCurrencyName(GachaCurrencyType.StandardPull)}"
+            };
+            singleButton.AddToClassList("terminal-button");
+            singleButton.AddToClassList("gacha-action-button");
+            singleButton.SetEnabled(CanAttemptBeginnerPull(1));
+            actions.Add(singleButton);
+
+            Button tenButton = new(() => RequestPullSelectedBanner(10))
+            {
+                text = $"git pull --ten\n8x {GachaService.FormatCurrencyName(GachaCurrencyType.StandardPull)}"
+            };
+            tenButton.AddToClassList("terminal-button");
+            tenButton.AddToClassList("gacha-action-button");
+            tenButton.SetEnabled(CanAttemptBeginnerPull(10));
+            actions.Add(tenButton);
+
+            bannerDetail.Add(actions);
+
+            if (pendingPullCount > 0)
+            {
+                bannerDetail.Add(BuildEntropyPrompt());
+            }
+
+            if (resultBannerId == GachaService.BeginnerBannerId && !string.IsNullOrWhiteSpace(resultText))
+            {
+                Label result = new(resultText);
+                result.AddToClassList("gacha-result");
+                bannerDetail.Add(result);
+            }
+        }
+
+        private void RenderFutureBanner(string bannerId)
+        {
+            bannerDetail.Add(BuildBannerHero(GetBannerTitle(bannerId)));
+
+            Label title = new(GetBannerTitle(bannerId));
+            title.AddToClassList("gacha-detail-title");
+            bannerDetail.Add(title);
+
+            string currency = bannerId == GachaService.StandardBannerId
+                ? GachaService.FormatCurrencyName(GachaCurrencyType.StandardPull)
+                : GachaService.FormatCurrencyName(GachaCurrencyType.LimitedPull);
+            bannerDetail.Add(BuildInfoLine("pull currency", currency));
+            bannerDetail.Add(BuildInfoLine("status", "not implemented yet"));
+            bannerDetail.Add(BuildInfoLine("pity", "own counter, 10-pull 4-star+ guarantee"));
+            bannerDetail.Add(new Label("Use the beginner implementation as the template: define the banner pool, persist a separate GachaBannerState, then route single/ten pulls through GachaService.") { name = "FutureBannerHint" });
+            bannerDetail.ElementAt(bannerDetail.childCount - 1).AddToClassList("gacha-rules");
+
+            if (resultBannerId == bannerId && !string.IsNullOrWhiteSpace(resultText))
+            {
+                Label result = new(resultText);
+                result.AddToClassList("gacha-result");
+                bannerDetail.Add(result);
+            }
+        }
+
+        private void PullSelectedBanner(int pullCount, int entropyTokenCount)
+        {
+            string bannerId = bannerIds[selectedBannerIndex];
+            if (bannerId != GachaService.BeginnerBannerId)
+            {
+                resultBannerId = bannerId;
+                resultText = $"git pull origin {bannerId}: remote not implemented yet";
+                RenderSelectedBanner();
+                return;
+            }
+
+            GachaPullResult result = gachaService.PerformBeginnerPull(pullCount, wallet, entropyTokenCount);
+            if (!result.Success)
+            {
+                resultBannerId = bannerId;
+                resultText = $"git pull failed: {result.FailureReason}";
+                RenderSelectedBanner();
+                return;
+            }
+
+            List<string> lines = new();
+            lines.Add($"git pull complete: spent {result.CurrencySpent} {GachaService.FormatCurrencyName(result.CurrencyType)}");
+            if (result.EntropySpent > 0)
+            {
+                lines.Add($"entropy fallback: spent {result.EntropySpent} entropy");
+            }
+
+            for (int i = 0; i < result.Rewards.Count; i++)
+            {
+                GachaReward reward = result.Rewards[i];
+                bool duplicate = reward.Distro != null && playerCollection.GetOwnedCount(reward.Distro.Id) > 0;
+                if (reward.Distro != null)
+                {
+                    playerCollection.Add(reward.Distro);
+                }
+
+                string suffix = reward.Guaranteed ? " guaranteed" : reward.PityTriggered ? " pity" : string.Empty;
+                string duplicateText = duplicate ? " duplicate" : string.Empty;
+                lines.Add($"{i + 1:00}: {reward.StarRating}-star {reward.DisplayName}{suffix}{duplicateText}");
+            }
+
+            resultBannerId = bannerId;
+            resultText = string.Join("\n", lines);
+            onChanged?.Invoke();
+            Refresh();
+        }
+
+        private void RequestPullSelectedBanner(int pullCount)
+        {
+            string bannerId = bannerIds[selectedBannerIndex];
+            if (bannerId != GachaService.BeginnerBannerId)
+            {
+                PullSelectedBanner(pullCount, 0);
+                return;
+            }
+
+            int cost = gachaService.GetBeginnerPullCost(pullCount);
+            int missingTokens = gachaService.GetMissingPullTokens(GachaCurrencyType.StandardPull, cost);
+            if (missingTokens <= 0)
+            {
+                ClearEntropyPrompt();
+                PullSelectedBanner(pullCount, 0);
+                return;
+            }
+
+            if (!gachaService.CanCoverMissingPullTokensWithEntropy(wallet, missingTokens))
+            {
+                if (gachaService.RootCredits > 0)
+                {
+                    requestRootCreditExchange?.Invoke();
+                    return;
+                }
+
+                resultBannerId = bannerId;
+                resultText = $"git pull failed: need {missingTokens} {GachaService.FormatCurrencyName(GachaCurrencyType.StandardPull)} or {missingTokens * GachaService.EntropyPerPullToken} entropy";
+                RenderSelectedBanner();
+                return;
+            }
+
+            pendingPullCount = pullCount;
+            pendingMissingTokens = missingTokens;
+            resultBannerId = bannerId;
+            resultText = null;
+            RenderSelectedBanner();
+        }
+
+        private VisualElement BuildEntropyPrompt()
+        {
+            VisualElement prompt = new();
+            prompt.AddToClassList("gacha-entropy-prompt");
+
+            int entropyCost = pendingMissingTokens * GachaService.EntropyPerPullToken;
+            Label copy = new($"missing {pendingMissingTokens} stable-pull-token(s). spend {entropyCost} entropy to complete git pull?");
+            copy.AddToClassList("gacha-result");
+            prompt.Add(copy);
+
+            VisualElement actions = new();
+            actions.AddToClassList("gacha-actions");
+
+            Button cancel = new(() =>
+            {
+                ClearEntropyPrompt();
+                RenderSelectedBanner();
+            })
+            {
+                text = "git pull --abort"
+            };
+            cancel.AddToClassList("terminal-button");
+            cancel.AddToClassList("gacha-action-button");
+            actions.Add(cancel);
+
+            Button confirm = new(() =>
+            {
+                int pullCount = pendingPullCount;
+                int missingTokens = pendingMissingTokens;
+                ClearEntropyPrompt();
+                PullSelectedBanner(pullCount, missingTokens);
+            })
+            {
+                text = $"git pull --use-entropy={entropyCost}"
+            };
+            confirm.AddToClassList("terminal-button");
+            confirm.AddToClassList("gacha-action-button");
+            actions.Add(confirm);
+
+            prompt.Add(actions);
+            return prompt;
+        }
+
+        private bool CanAttemptBeginnerPull(int pullCount)
+        {
+            if (gachaService.CanPullBeginner(pullCount, out _))
+            {
+                return true;
+            }
+
+            if (!gachaService.IsBeginnerBannerAvailable || pullCount > GachaService.BeginnerMaxPulls - gachaService.BeginnerState.totalPulls)
+            {
+                return false;
+            }
+
+            int missingTokens = gachaService.GetMissingPullTokens(GachaCurrencyType.StandardPull, gachaService.GetBeginnerPullCost(pullCount));
+            return missingTokens > 0 &&
+                   (gachaService.CanCoverMissingPullTokensWithEntropy(wallet, missingTokens) ||
+                    gachaService.RootCredits > 0);
+        }
+
+        private void ClearEntropyPrompt()
+        {
+            pendingPullCount = 0;
+            pendingMissingTokens = 0;
+        }
+
+        private VisualElement BuildBannerHero(string bannerTitle)
+        {
+            VisualElement hero = new();
+            hero.AddToClassList("gacha-hero");
+
+            VisualElement artRow = new();
+            artRow.AddToClassList("gacha-hero-art-row");
+
+            IReadOnlyList<DistroDefinition> distros = distroDatabase == null ? Array.Empty<DistroDefinition>() : distroDatabase.AllDistros;
+            int artCount = Mathf.Min(3, distros.Count);
+            for (int i = 0; i < artCount; i++)
+            {
+                artRow.Add(BuildDistroArtCard(distros[i]));
+            }
+
+            if (artCount == 0)
+            {
+                Label empty = new("ascii art unavailable");
+                empty.AddToClassList("gacha-rules");
+                artRow.Add(empty);
+            }
+
+            Label title = new(bannerTitle);
+            title.AddToClassList("gacha-hero-title");
+
+            hero.Add(artRow);
+            hero.Add(title);
+            return hero;
+        }
+
+        private VisualElement BuildDistroArtCard(DistroDefinition distro)
+        {
+            VisualElement card = new();
+            card.AddToClassList("gacha-art-card");
+
+            VisualElement artShell = new();
+            artShell.AddToClassList("gacha-art-shell");
+
+            Label artLabel = new();
+            DistroArtPresenter.ConfigureArtLabel(artLabel, monospaceFont);
+            artLabel.AddToClassList("gacha-ascii-art");
+            VisualElement placeholder = DistroArtPresenter.CreatePlaceholder();
+            placeholder.AddToClassList("gacha-ascii-placeholder");
+            AsciiArtFitter artFitter = new(artLabel, monospaceFont);
+            artFitter.SetArt(DistroArtPresenter.Render(artLabel, placeholder, distro));
+            if (distro != null)
+            {
+                artLabel.style.color = new StyleColor(distro.AccentColor);
+            }
+
+            artShell.Add(placeholder);
+            artShell.Add(artLabel);
+            card.Add(artShell);
+
+            Label name = new(distro == null ? "--" : DistroPresentation.DisplayName(distro));
+            name.AddToClassList("gacha-art-name");
+            if (distro != null)
+            {
+                name.style.color = new StyleColor(distro.AccentColor);
+            }
+
+            card.Add(name);
+            return card;
+        }
+
+        private string FormatBeginnerGuarantees()
+        {
+            IReadOnlyList<string> ids = gachaService.BeginnerState.guaranteedDistroIds;
+            string first = ids.Count > 0 ? ids[0] : "--";
+            string second = ids.Count > 1 ? ids[1] : "--";
+            return $"20={first}, 40={second}, 50=future standard 5-star";
+        }
+
+        private static VisualElement BuildInfoLine(string key, string value)
+        {
+            VisualElement row = new();
+            row.AddToClassList("kv-row");
+            row.Add(new Label(key) { name = $"Gacha{key}Key" });
+            row.ElementAt(0).AddToClassList("kv-key");
+            row.Add(new Label(value) { name = $"Gacha{key}Value" });
+            row.ElementAt(1).AddToClassList("kv-value");
+            return row;
+        }
+
+        private string GetBannerStatus(string bannerId)
+        {
+            return bannerId switch
+            {
+                GachaService.BeginnerBannerId => gachaService.IsBeginnerBannerAvailable ? $"{gachaService.BeginnerState.totalPulls}/{GachaService.BeginnerMaxPulls}" : "closed",
+                GachaService.StandardBannerId => "soon",
+                GachaService.LimitedBannerId => "soon",
+                _ => "--"
+            };
+        }
+
+        private static string GetBannerTitle(string bannerId)
+        {
+            return bannerId switch
+            {
+                GachaService.BeginnerBannerId => "beginner install media",
+                GachaService.StandardBannerId => "stable branch",
+                GachaService.LimitedBannerId => "feature branch",
+                _ => bannerId
+            };
+        }
+    }
+}
diff --git a/Assets/Scripts/UI/MainMenuController.cs.meta b/Assets/Scripts/UI/MainMenuController.cs.meta
deleted file mode 100644
index 489a922..0000000
--- a/Assets/Scripts/UI/MainMenuController.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
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diff --git a/Assets/Scripts/UI/UIPreferences.cs.meta b/Assets/Scripts/UI/UIPreferences.cs.meta
deleted file mode 100644
index e62b0a4..0000000
--- a/Assets/Scripts/UI/UIPreferences.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
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diff --git a/Assets/Settings.meta b/Assets/Settings.meta
deleted file mode 100644
index b36ca5e..0000000
--- a/Assets/Settings.meta
+++ /dev/null
@@ -1,8 +0,0 @@
-fileFormatVersion: 2
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-folderAsset: yes
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diff --git a/Assets/Settings/Lit2DSceneTemplate.scenetemplate.meta b/Assets/Settings/Lit2DSceneTemplate.scenetemplate.meta
deleted file mode 100644
index 0364f69..0000000
--- a/Assets/Settings/Lit2DSceneTemplate.scenetemplate.meta
+++ /dev/null
@@ -1,8 +0,0 @@
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diff --git a/Assets/Settings/Renderer2D.asset.meta b/Assets/Settings/Renderer2D.asset.meta
deleted file mode 100644
index 99dc6c5..0000000
--- a/Assets/Settings/Renderer2D.asset.meta
+++ /dev/null
@@ -1,8 +0,0 @@
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diff --git a/Assets/Settings/Scenes.meta b/Assets/Settings/Scenes.meta
deleted file mode 100644
index 65e05a4..0000000
--- a/Assets/Settings/Scenes.meta
+++ /dev/null
@@ -1,8 +0,0 @@
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diff --git a/Assets/Settings/Scenes/URP2DSceneTemplate.unity.meta b/Assets/Settings/Scenes/URP2DSceneTemplate.unity.meta
deleted file mode 100644
index c1e3c88..0000000
--- a/Assets/Settings/Scenes/URP2DSceneTemplate.unity.meta
+++ /dev/null
@@ -1,7 +0,0 @@
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diff --git a/Assets/Settings/UniversalRP.asset.meta b/Assets/Settings/UniversalRP.asset.meta
deleted file mode 100644
index 6f92f2d..0000000
--- a/Assets/Settings/UniversalRP.asset.meta
+++ /dev/null
@@ -1,8 +0,0 @@
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diff --git a/Assets/UI.meta b/Assets/UI.meta
deleted file mode 100644
index a6ec4eb..0000000
--- a/Assets/UI.meta
+++ /dev/null
@@ -1,8 +0,0 @@
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diff --git a/Assets/UI/CollectionScreen.uxml.meta b/Assets/UI/CollectionScreen.uxml.meta
deleted file mode 100644
index d6b89b7..0000000
--- a/Assets/UI/CollectionScreen.uxml.meta
+++ /dev/null
@@ -1,10 +0,0 @@
-fileFormatVersion: 2
-guid: b39165b71c3e4bef9656e93e236530c1
-ScriptedImporter:
-  internalIDToNameTable: []
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diff --git a/Assets/UI/GachaScreen.uxml b/Assets/UI/GachaScreen.uxml
index 09a9881..9d58986 100644
--- a/Assets/UI/GachaScreen.uxml
+++ b/Assets/UI/GachaScreen.uxml
@@ -5,8 +5,9 @@
                 <ui:Label class="screen-frame-title" />
             </ui:VisualElement>
             <ui:VisualElement class="screen-frame-content">
-                <ui:VisualElement name="GachaContent" class="stub-box">
-                    <!-- TODO: Render summon options and results here when gacha logic exists. -->
+                <ui:VisualElement name="GachaContent" class="gacha-shell">
+                    <ui:VisualElement name="GachaBannerList" class="gacha-banner-list" />
+                    <ui:VisualElement name="GachaBannerDetail" class="gacha-banner-detail" />
                 </ui:VisualElement>
             </ui:VisualElement>
             <ui:VisualElement class="screen-frame-footer">
diff --git a/Assets/UI/GachaScreen.uxml.meta b/Assets/UI/GachaScreen.uxml.meta
deleted file mode 100644
index 270f5a8..0000000
--- a/Assets/UI/GachaScreen.uxml.meta
+++ /dev/null
@@ -1,10 +0,0 @@
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diff --git a/Assets/UI/MainMenu.uss b/Assets/UI/MainMenu.uss
index 00ffe12..0d3ae2a 100644
--- a/Assets/UI/MainMenu.uss
+++ b/Assets/UI/MainMenu.uss
@@ -125,6 +125,29 @@ Button {
     margin-right: 18px;
 }
 
+.currency-plus-button {
+    width: 24px;
+    height: 22px;
+    margin-right: 12px;
+    padding-left: 0;
+    padding-right: 0;
+    border-left-width: 1px;
+    border-right-width: 1px;
+    border-top-width: 1px;
+    border-bottom-width: 1px;
+    border-left-color: var(--kp-amber);
+    border-right-color: var(--kp-amber);
+    border-top-color: var(--kp-amber);
+    border-bottom-color: var(--kp-amber);
+    background-color: var(--kp-bg-solid);
+    color: var(--kp-amber);
+}
+
+.currency-plus-button:hover {
+    background-color: var(--kp-amber);
+    color: var(--kp-bg);
+}
+
 .main-panel {
     flex-grow: 1;
     justify-content: center;
@@ -500,6 +523,175 @@ Button {
     background-color: var(--kp-panel);
 }
 
+.gacha-shell {
+    flex-grow: 1;
+    min-height: 0;
+    flex-direction: row;
+}
+
+.gacha-banner-list {
+    width: 270px;
+    min-width: 270px;
+    margin-right: 16px;
+    padding-top: 4px;
+    border-left-width: 1px;
+    border-right-width: 1px;
+    border-top-width: 1px;
+    border-bottom-width: 1px;
+    border-left-color: var(--kp-border);
+    border-right-color: var(--kp-border);
+    border-top-color: var(--kp-border);
+    border-bottom-color: var(--kp-border);
+    background-color: var(--kp-panel);
+}
+
+.gacha-banner-detail {
+    flex-grow: 1;
+    min-width: 0;
+    padding: 16px;
+    border-left-width: 1px;
+    border-right-width: 1px;
+    border-top-width: 1px;
+    border-bottom-width: 1px;
+    border-left-color: var(--kp-border);
+    border-right-color: var(--kp-border);
+    border-top-color: var(--kp-border);
+    border-bottom-color: var(--kp-border);
+    background-color: var(--kp-panel);
+}
+
+.gacha-banner-detail .kv-value {
+    max-width: none;
+    min-width: 0;
+}
+
+.gacha-banner-detail .kv-key {
+    width: 170px;
+    min-width: 170px;
+}
+
+.gacha-banner-row {
+    min-height: 42px;
+    flex-direction: row;
+    align-items: center;
+    padding-left: 10px;
+    padding-right: 10px;
+    margin-top: 3px;
+    margin-bottom: 3px;
+    border-left-width: 2px;
+    border-left-color: transparent;
+}
+
+.gacha-banner-row:hover,
+.gacha-banner-row.selected {
+    background-color: var(--kp-hover);
+}
+
+.gacha-banner-row.selected {
+    border-left-color: var(--kp-primary);
+}
+
+.gacha-detail-title {
+    color: var(--kp-primary);
+    font-size: 22px;
+    -unity-font-style: bold;
+    margin-bottom: 12px;
+}
+
+.gacha-hero {
+    min-height: 310px;
+    max-height: 340px;
+    margin-bottom: 18px;
+    padding: 14px;
+    border-left-width: 1px;
+    border-right-width: 1px;
+    border-top-width: 1px;
+    border-bottom-width: 1px;
+    border-left-color: var(--kp-primary-dim);
+    border-right-color: var(--kp-primary-dim);
+    border-top-color: var(--kp-primary-dim);
+    border-bottom-color: var(--kp-primary-dim);
+    background-color: var(--kp-bg-solid);
+}
+
+.gacha-hero-art-row {
+    flex-grow: 1;
+    min-height: 0;
+    flex-direction: row;
+}
+
+.gacha-art-card {
+    flex-grow: 1;
+    min-width: 0;
+    margin-right: 12px;
+    align-items: center;
+}
+
+.gacha-art-shell {
+    flex-grow: 1;
+    min-height: 220px;
+    width: 100%;
+    align-items: center;
+    justify-content: center;
+    overflow: hidden;
+}
+
+.gacha-art-card .ascii-art,
+.gacha-ascii-art {
+    width: 100%;
+    min-width: 0;
+    height: 220px;
+    font-size: 18px;
+}
+
+.gacha-art-card .ascii-placeholder,
+.gacha-ascii-placeholder {
+    width: 180px;
+    height: 210px;
+}
+
+.gacha-art-name {
+    min-height: 24px;
+    font-size: 16px;
+    -unity-font-style: bold;
+    -unity-text-align: middle-center;
+}
+
+.gacha-hero-title {
+    color: var(--kp-muted);
+    font-size: 15px;
+    margin-top: 8px;
+    -unity-text-align: middle-center;
+}
+
+.gacha-rules {
+    color: var(--kp-muted);
+    white-space: normal;
+    margin-top: 10px;
+    margin-bottom: 12px;
+}
+
+.gacha-actions {
+    flex-direction: row;
+    margin-top: 8px;
+    margin-bottom: 12px;
+}
+
+.gacha-action-button {
+    width: 220px;
+    min-height: 58px;
+    margin-top: 0;
+    margin-right: 12px;
+    white-space: normal;
+    -unity-text-align: middle-center;
+}
+
+.gacha-result {
+    color: var(--kp-amber);
+    white-space: normal;
+    margin-top: 8px;
+}
+
 .collection-content {
     min-height: 280px;
 }
@@ -882,6 +1074,69 @@ ScrollView .unity-base-slider__dragger {
     background-color: var(--kp-bg-solid);
 }
 
+.root-credit-dialog {
+    width: 82%;
+    height: 72%;
+    padding: 28px;
+    justify-content: center;
+    border-left-width: 1px;
+    border-right-width: 1px;
+    border-top-width: 1px;
+    border-bottom-width: 1px;
+    border-left-color: var(--kp-amber);
+    border-right-color: var(--kp-amber);
+    border-top-color: var(--kp-amber);
+    border-bottom-color: var(--kp-amber);
+    background-color: var(--kp-bg-solid);
+}
+
+.exchange-summary {
+    margin-top: 8px;
+    margin-bottom: 18px;
+}
+
+.exchange-summary .kv-key {
+    width: 150px;
+    min-width: 150px;
+}
+
+.exchange-summary .kv-value {
+    max-width: none;
+    color: var(--kp-amber);
+}
+
+.exchange-input {
+    margin-bottom: 18px;
+}
+
+.exchange-input Label {
+    color: var(--kp-muted);
+}
+
+.exchange-input TextInput {
+    color: var(--kp-primary);
+    background-color: var(--kp-panel);
+}
+
+.exchange-step-row,
+.exchange-confirm-row {
+    flex-direction: row;
+    margin-top: 10px;
+}
+
+.exchange-step-button {
+    width: 120px;
+    margin-right: 12px;
+}
+
+.exchange-confirm-button {
+    width: 320px;
+    min-height: 46px;
+    margin-right: 12px;
+    white-space: normal;
+    -unity-text-align: middle-center;
+}
+
 .starter-title {
     color: var(--kp-primary);
     font-size: 24px;
diff --git a/Assets/UI/MainMenu.uss.meta b/Assets/UI/MainMenu.uss.meta
deleted file mode 100644
index 154ee4f..0000000
--- a/Assets/UI/MainMenu.uss.meta
+++ /dev/null
@@ -1,12 +0,0 @@
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-guid: bce4c6ca6c1d455e99443cc2d7a2593b
-ScriptedImporter:
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-  disableValidation: 0
-  unsupportedSelectorAction: 0
diff --git a/Assets/UI/MainMenu.uxml b/Assets/UI/MainMenu.uxml
index 4c4ff62..67728d0 100644
--- a/Assets/UI/MainMenu.uxml
+++ b/Assets/UI/MainMenu.uxml
@@ -16,6 +16,7 @@
                 <ui:Label name="AppIdLabel" class="status-text" />
                 <ui:VisualElement class="status-right">
                     <ui:Label name="EntropyLabel" class="currency-text" />
+                    <ui:Button name="RootCreditsToEntropyButton" text="+" class="currency-plus-button" focusable="false" />
                     <ui:Label name="PullTokensLabel" class="currency-text" />
                     <ui:Label text="uid=1000(player)" class="status-text" />
                 </ui:VisualElement>
@@ -188,5 +189,35 @@
                 <ui:Label name="StarterConfirmLabel" class="starter-confirm hidden" />
             </ui:VisualElement>
         </ui:VisualElement>
+        <ui:VisualElement name="RootCreditExchangeModal" class="modal-overlay hidden">
+            <ui:VisualElement class="root-credit-dialog">
+                <ui:Label text="exchange root-credits" class="starter-title" />
+                <ui:Label text="convert root-credits into entropy at 1:1. entropy cannot be converted back." class="starter-instruction" />
+                <ui:VisualElement class="exchange-summary">
+                    <ui:VisualElement class="kv-row">
+                        <ui:Label text="root-credits" class="kv-key" />
+                        <ui:Label name="RootCreditExchangeBalanceLabel" class="kv-value" />
+                    </ui:VisualElement>
+                    <ui:VisualElement class="kv-row">
+                        <ui:Label text="entropy gain" class="kv-key" />
+                        <ui:Label name="RootCreditExchangePreviewLabel" class="kv-value" />
+                    </ui:VisualElement>
+                </ui:VisualElement>
+                <ui:TextField name="RootCreditExchangeInput" label="amount" class="exchange-input" />
+                <ui:VisualElement class="exchange-step-row">
+                    <ui:Button name="RootCreditExchangeMinusHundredButton" text="-100" class="terminal-button exchange-step-button" />
+                    <ui:Button name="RootCreditExchangeMinusOneButton" text="-1" class="terminal-button exchange-step-button" />
+                    <ui:Button name="RootCreditExchangeNoneButton" text="none" class="terminal-button exchange-step-button" />
+                    <ui:Button name="RootCreditExchangePlusOneButton" text="+1" class="terminal-button exchange-step-button" />
+                    <ui:Button name="RootCreditExchangePlusHundredButton" text="+100" class="terminal-button exchange-step-button" />
+                    <ui:Button name="RootCreditExchangeMaxButton" text="max" class="terminal-button exchange-step-button" />
+                </ui:VisualElement>
+                <ui:Label name="RootCreditExchangeMessageLabel" class="starter-confirm hidden" />
+                <ui:VisualElement class="exchange-confirm-row">
+                    <ui:Button name="RootCreditExchangeCancelButton" text="git merge --abort" class="terminal-button exchange-confirm-button" />
+                    <ui:Button name="RootCreditExchangeConfirmButton" text="git merge root-credits --into entropy" class="terminal-button exchange-confirm-button" />
+                </ui:VisualElement>
+            </ui:VisualElement>
+        </ui:VisualElement>
     </ui:VisualElement>
 </ui:UXML>
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index f3ba00c..8f5416f 100644
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diff --git a/Assets/UniversalRenderPipelineGlobalSettings.asset.meta b/Assets/UniversalRenderPipelineGlobalSettings.asset.meta
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diff --git a/gacha.md b/gacha.md
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+# Gacha Implementation Guide
+
+This project currently has a working beginner banner and scaffolding for standard and limited banners.
+The main files are:
+
+- `Assets/Scripts/Meta/GachaService.cs`: pull costs, odds, pity, currency accounting, reward rolls.
+- `Assets/Scripts/Meta/GachaBannerState.cs`: persistent per-banner counters.
+- `Assets/Scripts/Meta/GachaCurrencyType.cs`: pull-token currency enum.
+- `Assets/Scripts/Meta/SaveService.cs`: saved currency and banner progress fields.
+- `Assets/Scripts/UI/GachaScreenController.cs`: banner list, banner names, pull buttons, pull prompts, result text.
+- `Assets/Scripts/UI/MainMenuController.cs`: wallet/save refresh, root-credit exchange popup, gacha status readouts.
+- `Assets/UI/MainMenu.uxml` and `Assets/UI/MainMenu.uss`: exchange popup and gacha/status styling.
+
+## Adding A New Banner
+
+1. Add a banner id in `GachaService.cs`.
+   Example:
+
+   ```csharp
+   public const string EventBannerId = "event";
+   ```
+
+2. Add a persistent state field in `GachaService.cs`.
+   Standard and limited banners should each have their own `GachaBannerState`, separate from `beginnerState`, so pity does not leak between banners.
+
+3. Add save fields in `SaveData` inside `SaveService.cs`.
+   Example:
+
+   ```csharp
+   public GachaBannerState eventBannerState = new(GachaService.EventBannerId);
+   ```
+
+   Then update `EnsureLists()`, `GachaService.LoadProgress()`, and `GachaService.WriteProgress()` to load and save that state.
+
+4. Add the banner id to `bannerIds` in `GachaScreenController.cs`.
+
+5. Add a title/status entry in `GetBannerTitle()` and `GetBannerStatus()` in `GachaScreenController.cs`.
+
+6. Add rendering for the banner in `RenderSelectedBanner()`.
+   Use `RenderBeginnerBanner()` as the template, but use the new banner state, pull costs, and currency.
+
+7. Add pull request and execution methods in `GachaService.cs`.
+   The beginner versions are:
+
+   - `GetBeginnerPullCost`
+   - `CanPullBeginner`
+   - `PerformBeginnerPull`
+   - `RollBeginnerReward`
+   - `CanPullBeginnerWithEntropy`
+
+   Copy this shape for the new banner, then change the currency, state, pity, and reward pool.
+
+## Currency Rules
+
+- `GachaCurrencyType.StandardPull` formats as `stable-pull-token`.
+- `GachaCurrencyType.LimitedPull` formats as `feature-pull-token`.
+- Beginner and standard banners should spend `StandardPull`.
+- Limited and event banners should usually spend `LimitedPull`, unless the design says otherwise.
+- `EntropyPerPullToken` controls the entropy fallback cost for each missing pull token.
+- Root-credits convert to entropy through `GachaService.ConvertRootCreditsToEntropy()`.
+
+To add a new pull currency:
+
+1. Add a value to `GachaCurrencyType.cs`.
+2. Initialize it in the `GachaService` constructor.
+3. Add save fields in `SaveData`.
+4. Load/save it in `GachaService.LoadProgress()` and `WriteProgress()`.
+5. Add display text in `GachaService.FormatCurrencyName()`.
+6. Update the gacha status readout in `MainMenuController.RefreshCurrencyReadouts()`.
+
+## Adjusting Pull Costs
+
+Beginner costs are constants in `GachaService.cs`:
+
+```csharp
+public const int BeginnerSinglePullCost = 1;
+public const int BeginnerTenPullCost = 8;
+```
+
+For standard or limited banners, add equivalent constants:
+
+```csharp
+public const int StandardSinglePullCost = 1;
+public const int StandardTenPullCost = 10;
+public const int LimitedSinglePullCost = 1;
+public const int LimitedTenPullCost = 10;
+```
+
+Then use those constants in the matching `Get...PullCost()` method and in the pull button labels in `GachaScreenController.cs`.
+
+## Adjusting Odds
+
+The current base roll order is:
+
+1. Check for a 5-star result.
+2. If no 5-star, check for a 4-star-or-better result.
+3. If no 4-star-or-better result, award the base 3-star equipment cache.
+
+The base non-pity tier rates are:
+
+- 5-star item: `0.8%`
+- 4-star item: `11.904%`
+- 3-star equipment: `87.296%`
+
+After a 4-star or 5-star item is rolled, the game then does a 50/50 split:
+
+- equipment
+- distro
+
+The effective split rates are still useful for sanity checks, but they are not separate primary drop rates:
+
+- `5-star equipment = 0.8% 5-star item * 50% equipment = 0.4%`
+- `5-star distro = 0.8% 5-star item * 50% distro = 0.4%`
+- `4-star item = 99.2% no 5-star * 12% 4-star item = 11.904%`
+- `4-star equipment = 11.904% 4-star item * 50% equipment = 5.952%`
+- `4-star distro = 11.904% 4-star item * 50% distro = 5.952%`
+- `3-star equipment = 99.2% no 5-star * 88% no 4-star hit = 87.296%`
+
+The current odds constants are in `GachaService.cs`:
+
+```csharp
+private const double FiveStarBaseChance = 0.008d;
+private const double FourStarBaseChance = 0.12d;
+private const double DistroChanceOnFeaturedTier = 0.5d;
+```
+
+`FiveStarBaseChance` is the total base 5-star chance.
+`FourStarBaseChance` decides whether a non-5-star pull upgrades from the base 3-star equipment cache to a 4-star result.
+`DistroChanceOnFeaturedTier` is the 50/50 distro-vs-equipment split after a 4-star or 5-star item has already been rolled.
+
+## Five-Star Soft Pity
+
+Five-star pity uses `fiveStarPityCounter` in `GachaBannerState`.
+It is separate from the 4-star `pityCounter`.
+
+Current 5-star constants:
+
+```csharp
+public const int FiveStarSoftPityStart = 66;
+public const int FiveStarHardPity = 80;
+private const double FiveStarBaseChance = 0.008d;
+private const double FiveStarSoftPityStep = 0.07d;
+```
+
+The total 5-star chance table is:
+
+- pity pulls 1-65: `0.8%`
+- pity pull 66: `7.8%`
+- pity pull 67: `14.8%`
+- pity pull 68: `21.8%`
+- pity pull 69: `28.8%`
+- pity pull 70: `35.8%`
+- pity pull 71: `42.8%`
+- pity pull 72: `49.8%`
+- pity pull 73: `56.8%`
+- pity pull 74: `63.8%`
+- pity pull 75: `70.8%`
+- pity pull 76: `77.8%`
+- pity pull 77: `84.8%`
+- pity pull 78: `91.8%`
+- pity pull 79: `98.8%`
+- pity pull 80: guaranteed by hard pity
+
+The raw formula reaches `105.8%` on pull 80, so `GetFiveStarChance()` clamps the effective chance to `100%`.
+
+A random 5-star resets both:
+
+- `fiveStarPityCounter`
+- the 4-star `pityCounter`
+
+The beginner banner's pull-50 capstone guarantee awards the placeholder 5-star but intentionally does not reset `fiveStarPityCounter`.
+
+## Adjusting Pity
+
+Current 4-star pity is shared as a constant:
+
+```csharp
+public const int FourStarHardPity = 10;
+```
+
+The pity check happens in `RollBeginnerReward()`:
+
+```csharp
+bool pityTriggered = beginnerState.pityCounter >= FourStarHardPity - 1;
+```
+
+When adding standard or limited banners:
+
+1. Use that banner's own `GachaBannerState`.
+2. Increment only that state's `pityCounter` after a non-upgraded result.
+3. Reset only that state's `pityCounter` after a 4-star-or-better result.
+4. Increment only that state's `fiveStarPityCounter` after a non-5-star result.
+5. Reset only that state's `fiveStarPityCounter` after a random 5-star result.
+6. Add separate constants if banners need different pity values.
+
+Example:
+
+```csharp
+public const int LimitedFourStarHardPity = 10;
+public const int LimitedFiveStarHardPity = 90;
+```
+
+Do not reuse `pityCounter` for 5-star pity. Use `fiveStarPityCounter`.
+
+## Adjusting Rewards
+
+Rewards are represented by `GachaReward` in `GachaService.cs`.
+Current reward constructors are:
+
+- `GachaReward.Equipment(starRating, displayName, pityTriggered, guaranteed)`
+- `GachaReward.DistroReward(distro, starRating, pityTriggered, guaranteed, guaranteeReason)`
+- `GachaReward.FutureStandardFiveStar(displayName, guaranteeReason)`
+
+To add real equipment:
+
+1. Create an equipment data type and database.
+2. Add an equipment reference/id to `GachaReward`.
+3. Add a reward constructor for the equipment item.
+4. Update `GachaPullResult` and collection/inventory code to persist duplicates.
+5. Update `GachaScreenController.PullSelectedBanner()` to add equipment to the player inventory and print the result.
+
+To change possible distro rewards:
+
+1. Change the pool selection in the banner's `Roll...Reward()` method.
+2. For starter guarantees, update `SetBeginnerGuaranteedDistros()` and `RewardGuaranteedBeginnerDistro()`.
+3. For standard/limited pools, prefer explicit pool methods over reusing the beginner `bannerPool` if the pools differ.
+
+## Beginner Banner Guarantees
+
+Beginner special cases currently live in `RollBeginnerReward()`:
+
+- pull 20: guaranteed first unpicked starter distro
+- pull 40: guaranteed second unpicked starter distro
+- pull 50: placeholder future standard 5-star distro, without resetting 5-star pity
+
+The guaranteed distro ids are stored in:
+
+```csharp
+beginnerState.guaranteedDistroIds
+```
+
+They are set from `MainMenuController.HandleStarterConfirmed()` through:
+
+```csharp
+gachaService.SetBeginnerGuaranteedDistros(remaining);
+```
+
+To change guarantee milestones, edit the pull-number checks in `RollBeginnerReward()` and update `FormatBeginnerGuarantees()` in `GachaScreenController.cs`.
+
+## Limited Banner 5-Star Rule
+
+Limited banners use a lenient featured guarantee:
+
+- When a limited-banner 5-star item is rolled, first do the normal 50/50 equipment-vs-distro split.
+- If the 50/50 lands on equipment, award 5-star equipment and do not touch the limited featured guarantee.
+- If the 50/50 lands on a distro/character, there is a `1/3` chance it uses the standard 5-star pool.
+- If that happens, `featuredFiveStarGuaranteed` is set on that banner's `GachaBannerState`.
+- The next limited-banner 5-star distro/character ignores the `1/3` standard-pool chance and must use the limited featured pool.
+- After the guaranteed featured 5-star is awarded, `featuredFiveStarGuaranteed` is cleared.
+
+The helper for this is:
+
+```csharp
+ResolveLimitedFiveStarUsesStandardPool(limitedState)
+```
+
+It returns `true` when the 5-star should come from the standard pool and `false` when it should come from the featured limited pool.
+Call it only after the pull has already rolled a 5-star on a limited banner and the 50/50 split landed on distro/character.
+
+## Standard Banner 4-Star And 5-Star Rule
+
+Standard banner 4-star and 5-star hits should split 50/50 between equipment and distros after the tier is rolled.
+The helper for this is:
+
+```csharp
+ResolveFeaturedTierIsDistro()
+```
+
+It returns `true` for a distro and `false` for equipment.
+Call it only after the banner has already rolled a 4-star or 5-star item.
+
+## Banner Names And UI Text
+
+Banner display names are in `GachaScreenController.GetBannerTitle()`.
+Banner status text on the left list is in `GetBannerStatus()`.
+Pull button labels are in the banner render method, currently `RenderBeginnerBanner()`.
+
+Keep these in sync:
+
+1. `GachaService` banner id constant.
+2. `bannerIds` array in `GachaScreenController`.
+3. `GetBannerTitle()`.
+4. `GetBannerStatus()`.
+5. Any result text in `PullSelectedBanner()`.
+
+## Standard Banner Checklist
+
+1. Add `standardState` in `GachaService`.
+2. Save/load `standardBannerState` in `SaveData`.
+3. Add `StandardSinglePullCost` and `StandardTenPullCost`.
+4. Implement `GetStandardPullCost()`.
+5. Implement `CanPullStandard()`.
+6. Implement `PerformStandardPull()`.
+7. Implement `RollStandardReward()`.
+8. Use `GachaCurrencyType.StandardPull`.
+9. On a 4-star or 5-star hit, call `ResolveFeaturedTierIsDistro()`.
+10. If it returns `true`, pick from the matching standard distro pool.
+11. If it returns `false`, award matching-rarity equipment.
+12. Render real standard controls in `GachaScreenController` instead of `RenderFutureBanner()`.
+13. Add result handling for standard rewards.
+
+## Limited Banner Checklist
+
+1. Add `limitedState` in `GachaService`.
+2. Save/load `limitedBannerState` in `SaveData`.
+3. Add `LimitedSinglePullCost` and `LimitedTenPullCost`.
+4. Implement `GetLimitedPullCost()`.
+5. Implement `CanPullLimited()`.
+6. Implement `PerformLimitedPull()`.
+7. Implement `RollLimitedReward()`.
+8. Use `GachaCurrencyType.LimitedPull`.
+9. On a 4-star or 5-star hit, call `ResolveFeaturedTierIsDistro()`.
+10. If it returns `false`, award matching-rarity equipment.
+11. If it returns `true` on a 4-star, pick from the limited 4-star distro pool.
+12. If it returns `true` on a 5-star, call `ResolveLimitedFiveStarUsesStandardPool(limitedState)`.
+13. If that returns `true`, pick from the standard 5-star pool.
+14. If that returns `false`, pick from the featured limited pool.
+15. Add featured-unit or rate-up pool configuration.
+16. Render real limited controls in `GachaScreenController`.
+
+## Testing Changes
+
+After changing gacha code:
+
+1. Compile the Unity runtime assembly.
+2. Test single pull, ten pull, insufficient-token flow, entropy fallback, root-credit exchange, duplicate distro reward, pity reset, and saved progress reload.
+3. For new banners, verify that pity counters are independent by pulling on one banner, switching banners, and checking the other banner state did not change.