diff --git a/api/QuestionsApi.Tests/CcsCaseTests.cs b/api/QuestionsApi.Tests/CcsCaseTests.cs
index 16e4836..c3da3c2 100644
--- a/api/QuestionsApi.Tests/CcsCaseTests.cs
+++ b/api/QuestionsApi.Tests/CcsCaseTests.cs
@@ -7,6 +7,14 @@ namespace QuestionsApi.Tests;
 
 public sealed class CcsCaseTests
 {
+    [Fact]
+    public void CcsReportCategoriesAreSpecificAndStable()
+    {
+        Assert.Contains("case_progression_scoring", CcsCaseReportCategory.All);
+        Assert.DoesNotContain("answer_explanation", CcsCaseReportCategory.All);
+        Assert.Equal(6, CcsCaseReportCategory.All.Count);
+    }
+
     [Fact]
     public void DkaImportArtifactMatchesTheCaseSchema()
     {
diff --git a/api/QuestionsApi/Controllers/CcsCaseReportsController.cs b/api/QuestionsApi/Controllers/CcsCaseReportsController.cs
new file mode 100644
index 0000000..9e95bec
--- /dev/null
+++ b/api/QuestionsApi/Controllers/CcsCaseReportsController.cs
@@ -0,0 +1,52 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using QuestionsApi.Models;
+using QuestionsApi.Services;
+using System.Security.Claims;
+
+namespace QuestionsApi.Controllers;
+
+[ApiController, Route("api/ccs/reports")]
+public sealed class CcsCaseReportsController(CcsStore cases, CcsCaseReportStore reports) : ControllerBase
+{
+    private const int MinDetails = 10;
+    private const int MaxDetails = 2000;
+
+    [HttpPost, Authorize(Roles = "USER,SUPER")]
+    public async Task<IActionResult> Create(CreateCcsCaseReportRequest request)
+    {
+        var category = request.Category.Trim().ToLowerInvariant();
+        var details = request.Details.Trim();
+        if (!CcsCaseReportCategory.All.Contains(category)) return BadRequest("category is invalid");
+        if (details.Length is < MinDetails or > MaxDetails) return BadRequest($"details must be between {MinDetails} and {MaxDetails} characters");
+        var attempt = await cases.GetOwnedAsync(request.AttemptId.Trim(), UserId());
+        if (attempt is null) return NotFound();
+        var report = await reports.CreateAsync(attempt, await cases.DefinitionAsync(attempt), category, details);
+        return StatusCode(StatusCodes.Status201Created, new { id = report.Id, report.AttemptId, report.Category, report.Status, report.CreatedUtc });
+    }
+
+    [HttpGet, Authorize(Roles = "SUPER")]
+    public async Task<IActionResult> List([FromQuery] string status = "open", [FromQuery] string category = "", [FromQuery] string caseExternalId = "", [FromQuery] string userId = "", [FromQuery] int skip = 0, [FromQuery] int limit = 50)
+    {
+        status = status.Trim().ToLowerInvariant(); category = category.Trim().ToLowerInvariant();
+        if (status != "all" && status != QuestionReportStatus.Open && !QuestionReportStatus.Terminal.Contains(status)) return BadRequest("status is invalid");
+        if (category.Length > 0 && !CcsCaseReportCategory.All.Contains(category)) return BadRequest("category is invalid");
+        if (skip < 0 || limit is < 1 or > 100) return BadRequest("pagination is invalid");
+        return Ok(await reports.SearchAsync(status, category, caseExternalId.Trim(), userId.Trim(), skip, limit));
+    }
+
+    [HttpGet("{id}"), Authorize(Roles = "SUPER")]
+    public async Task<IActionResult> Get(string id) => await reports.GetAsync(id.Trim()) is { } report ? Ok(report) : NotFound();
+
+    [HttpPatch("{id}/status"), Authorize(Roles = "SUPER")]
+    public async Task<IActionResult> Close(string id, UpdateQuestionReportStatusRequest request)
+    {
+        var status = request.Status.Trim().ToLowerInvariant();
+        if (!QuestionReportStatus.Terminal.Contains(status)) return BadRequest("status must be resolved or dismissed");
+        if (request.ReviewerNote.Length > MaxDetails) return BadRequest("reviewerNote must be 2000 characters or fewer");
+        var updated = await reports.CloseAsync(id.Trim(), status, UserId(), request.ReviewerNote.Trim());
+        return updated is null ? Conflict("report is missing or already closed") : Ok(updated);
+    }
+
+    private string UserId() => User.FindFirstValue(ClaimTypes.NameIdentifier) ?? User.FindFirstValue(ClaimTypes.Name) ?? User.Identity?.Name ?? "";
+}
diff --git a/api/QuestionsApi/Models/CcsCaseReport.cs b/api/QuestionsApi/Models/CcsCaseReport.cs
new file mode 100644
index 0000000..c75cbca
--- /dev/null
+++ b/api/QuestionsApi/Models/CcsCaseReport.cs
@@ -0,0 +1,63 @@
+using MongoDB.Bson;
+using MongoDB.Bson.Serialization.Attributes;
+
+namespace QuestionsApi.Models;
+
+public static class CcsCaseReportCategory
+{
+    public const string Clarity = "clarity";
+    public const string MedicalAccuracy = "medical_accuracy";
+    public const string CaseProgressionScoring = "case_progression_scoring";
+    public const string FormattingMedia = "formatting_media";
+    public const string TechnicalIssue = "technical_issue";
+    public const string Other = "other";
+    public static readonly HashSet<string> All = [Clarity, MedicalAccuracy, CaseProgressionScoring, FormattingMedia, TechnicalIssue, Other];
+}
+
+public sealed class CcsCaseReport
+{
+    [BsonId, BsonRepresentation(BsonType.ObjectId)] public string? Id { get; set; }
+    public string CaseExternalId { get; set; } = "";
+    [BsonRepresentation(BsonType.ObjectId)] public string CaseRevisionId { get; set; } = "";
+    public int CaseVersion { get; set; }
+    [BsonRepresentation(BsonType.ObjectId)] public string AttemptId { get; set; } = "";
+    public string UserId { get; set; } = "";
+    public string Category { get; set; } = "";
+    public string Details { get; set; } = "";
+    public string Status { get; set; } = QuestionReportStatus.Open;
+    public CcsCaseRevision CaseSnapshot { get; set; } = new();
+    public CcsAttempt AttemptSnapshot { get; set; } = new();
+    public string ReviewedByUserId { get; set; } = "";
+    public string ReviewerNote { get; set; } = "";
+    public DateTime? ReviewedUtc { get; set; }
+    public DateTime CreatedUtc { get; set; } = DateTime.UtcNow;
+    public DateTime UpdatedUtc { get; set; } = DateTime.UtcNow;
+}
+
+public sealed class CreateCcsCaseReportRequest
+{
+    public string AttemptId { get; set; } = "";
+    public string Category { get; set; } = "";
+    public string Details { get; set; } = "";
+}
+
+public sealed class CcsCaseReportListResponse
+{
+    public List<CcsCaseReportSummary> Items { get; set; } = [];
+    public long Total { get; set; }
+    public int Skip { get; set; }
+    public int Limit { get; set; }
+}
+
+public sealed class CcsCaseReportSummary
+{
+    public string Id { get; set; } = "";
+    public string CaseExternalId { get; set; } = "";
+    public int CaseVersion { get; set; }
+    public string AttemptId { get; set; } = "";
+    public string UserId { get; set; } = "";
+    public string Category { get; set; } = "";
+    public string Details { get; set; } = "";
+    public string Status { get; set; } = "";
+    public DateTime CreatedUtc { get; set; }
+}
diff --git a/api/QuestionsApi/Program.cs b/api/QuestionsApi/Program.cs
index cd8ec91..e467010 100644
--- a/api/QuestionsApi/Program.cs
+++ b/api/QuestionsApi/Program.cs
@@ -18,6 +18,7 @@ builder.Services.AddSingleton<QuestionMediaStore>();
 builder.Services.AddSingleton<QuestionReportStore>();
 builder.Services.AddSingleton<ExamSimulationStore>();
 builder.Services.AddSingleton<CcsStore>();
+builder.Services.AddSingleton<CcsCaseReportStore>();
 builder.Services.AddSingleton<ServiceMetrics>();
 builder.Services.AddHostedService<AnswerStatisticsMaintenanceService>();
 
diff --git a/api/QuestionsApi/Services/CcsCaseReportStore.cs b/api/QuestionsApi/Services/CcsCaseReportStore.cs
new file mode 100644
index 0000000..e723731
--- /dev/null
+++ b/api/QuestionsApi/Services/CcsCaseReportStore.cs
@@ -0,0 +1,67 @@
+using MongoDB.Bson;
+using MongoDB.Driver;
+using QuestionsApi.Models;
+
+namespace QuestionsApi.Services;
+
+public sealed class CcsCaseReportStore
+{
+    private readonly IMongoCollection<CcsCaseReport> _reports;
+
+    public CcsCaseReportStore(MongoDatabaseProvider mongo)
+    {
+        _reports = mongo.Database.GetCollection<CcsCaseReport>("CcsCaseReports");
+        _reports.Indexes.CreateMany([
+            new CreateIndexModel<CcsCaseReport>(Builders<CcsCaseReport>.IndexKeys.Ascending(value => value.Status).Descending(value => value.CreatedUtc)),
+            new CreateIndexModel<CcsCaseReport>(Builders<CcsCaseReport>.IndexKeys.Ascending(value => value.CaseExternalId)),
+            new CreateIndexModel<CcsCaseReport>(Builders<CcsCaseReport>.IndexKeys.Ascending(value => value.AttemptId)),
+            new CreateIndexModel<CcsCaseReport>(Builders<CcsCaseReport>.IndexKeys.Ascending(value => value.UserId))
+        ]);
+    }
+
+    public async Task<CcsCaseReport> CreateAsync(CcsAttempt attempt, CcsCaseRevision definition, string category, string details)
+    {
+        var now = DateTime.UtcNow;
+        var report = new CcsCaseReport
+        {
+            CaseExternalId = attempt.CaseExternalId, CaseRevisionId = attempt.CaseRevisionId,
+            CaseVersion = attempt.CaseVersion, AttemptId = attempt.Id ?? "", UserId = attempt.UserId,
+            Category = category, Details = details, CaseSnapshot = definition, AttemptSnapshot = attempt,
+            CreatedUtc = now, UpdatedUtc = now
+        };
+        await _reports.InsertOneAsync(report);
+        return report;
+    }
+
+    public async Task<CcsCaseReport?> GetAsync(string id) => ObjectId.TryParse(id, out _)
+        ? await _reports.Find(value => value.Id == id).FirstOrDefaultAsync() : null;
+
+    public async Task<CcsCaseReportListResponse> SearchAsync(string status, string category, string caseId, string userId, int skip, int limit)
+    {
+        var filter = Builders<CcsCaseReport>.Filter.Empty;
+        if (status != "all") filter &= Builders<CcsCaseReport>.Filter.Eq(value => value.Status, status);
+        if (category.Length > 0) filter &= Builders<CcsCaseReport>.Filter.Eq(value => value.Category, category);
+        if (caseId.Length > 0) filter &= Builders<CcsCaseReport>.Filter.Eq(value => value.CaseExternalId, caseId);
+        if (userId.Length > 0) filter &= Builders<CcsCaseReport>.Filter.Eq(value => value.UserId, userId);
+        var reports = await _reports.Find(filter).SortByDescending(value => value.CreatedUtc).Skip(skip).Limit(limit).ToListAsync();
+        return new CcsCaseReportListResponse {
+            Items = reports.Select(value => new CcsCaseReportSummary {
+                Id = value.Id ?? "", CaseExternalId = value.CaseExternalId, CaseVersion = value.CaseVersion,
+                AttemptId = value.AttemptId, UserId = value.UserId, Category = value.Category,
+                Details = value.Details, Status = value.Status, CreatedUtc = value.CreatedUtc
+            }).ToList(),
+            Total = await _reports.CountDocumentsAsync(filter), Skip = skip, Limit = limit
+        };
+    }
+
+    public async Task<CcsCaseReport?> CloseAsync(string id, string status, string reviewer, string note)
+    {
+        if (!ObjectId.TryParse(id, out _)) return null;
+        var now = DateTime.UtcNow;
+        return await _reports.FindOneAndUpdateAsync(
+            value => value.Id == id && value.Status == QuestionReportStatus.Open,
+            Builders<CcsCaseReport>.Update.Set(value => value.Status, status).Set(value => value.ReviewerNote, note)
+                .Set(value => value.ReviewedByUserId, reviewer).Set(value => value.ReviewedUtc, now).Set(value => value.UpdatedUtc, now),
+            new FindOneAndUpdateOptions<CcsCaseReport> { ReturnDocument = ReturnDocument.After });
+    }
+}
diff --git a/api/QuestionsApi/Services/CcsStore.cs b/api/QuestionsApi/Services/CcsStore.cs
index 7a6e856..3be2f53 100644
--- a/api/QuestionsApi/Services/CcsStore.cs
+++ b/api/QuestionsApi/Services/CcsStore.cs
@@ -378,7 +378,7 @@ public sealed class CcsStore
         };
     }
 
-    private async Task<CcsCaseRevision> DefinitionAsync(CcsAttempt attempt) =>
+    public async Task<CcsCaseRevision> DefinitionAsync(CcsAttempt attempt) =>
         await _cases.Find(value => value.Id == attempt.CaseRevisionId).FirstOrDefaultAsync()
         ?? throw new InvalidOperationException("The case revision is unavailable.");
 
diff --git a/scripts/autoload/ccs_service.gd b/scripts/autoload/ccs_service.gd
index 9472eb5..8ca919e 100644
--- a/scripts/autoload/ccs_service.gd
+++ b/scripts/autoload/ccs_service.gd
@@ -8,8 +8,14 @@ signal attempt_changed
 signal orders_changed
 signal history_changed
 signal prediction_changed
+signal report_submitted(report_id: String)
+signal report_failed(message: String)
 signal request_failed(message: String)
 
+const TEXT_SCALE_MIN := 0.85
+const TEXT_SCALE_MAX := 1.35
+const TEXT_SCALE_STEP := 0.1
+
 var api_url := DEFAULT_API_URL
 var request: HTTPRequest
 var cases: Array = []
@@ -20,6 +26,8 @@ var prediction := {}
 var is_loading := false
 var pending_action := ""
 var queue: Array = []
+var text_scale := 1.0
+var highlights := {}
 
 
 func _ready() -> void:
@@ -27,6 +35,7 @@ func _ready() -> void:
 	request = HTTPRequest.new()
 	request.request_completed.connect(_on_request_completed)
 	add_child(request)
+	AuthState.auth_changed.connect(_on_auth_changed)
 
 
 func load_cases() -> void:
@@ -69,6 +78,44 @@ func load_prediction() -> void:
 	_send("prediction", HTTPClient.METHOD_GET, "/prediction")
 
 
+func submit_report(attempt_id: String, category: String, details: String) -> void:
+	_send("report", HTTPClient.METHOD_POST, "/reports", {"attemptId": attempt_id, "category": category, "details": details})
+
+
+func adjust_text_scale(delta: float) -> void:
+	text_scale = clampf(text_scale + delta, TEXT_SCALE_MIN, TEXT_SCALE_MAX)
+
+
+func toggle_highlight(attempt_id: String, region_id: String, start: int, end: int) -> void:
+	var key := "%s:%s" % [attempt_id, region_id]
+	var ranges: Array = highlights.get(key, [])
+	var removed := false
+	for index in range(ranges.size() - 1, -1, -1):
+		var item: Dictionary = ranges[index]
+		if start < int(item.get("end", 0)) and end > int(item.get("start", 0)):
+			ranges.remove_at(index); removed = true
+	if not removed: ranges.append({"start": start, "end": end})
+	highlights[key] = ranges
+
+
+func clear_highlights(attempt_id: String) -> void:
+	for key in highlights.keys():
+		if str(key).begins_with("%s:" % attempt_id): highlights.erase(key)
+
+
+func highlighted_text(attempt_id: String, region_id: String, plain_text: String) -> String:
+	var ranges: Array = highlights.get("%s:%s" % [attempt_id, region_id], []).duplicate()
+	ranges.sort_custom(func(a: Dictionary, b: Dictionary): return int(a.get("start", 0)) < int(b.get("start", 0)))
+	var result := ""; var cursor := 0
+	for item in ranges:
+		var start := clampi(int(item.get("start", 0)), cursor, plain_text.length())
+		var end := clampi(int(item.get("end", 0)), start, plain_text.length())
+		result += _escape_bbcode(plain_text.substr(cursor, start - cursor))
+		result += "[bgcolor=yellow][color=black]%s[/color][/bgcolor]" % _escape_bbcode(plain_text.substr(start, end - start))
+		cursor = end
+	return result + _escape_bbcode(plain_text.substr(cursor))
+
+
 func abandon() -> void:
 	if attempt.is_empty():
 		return
@@ -107,7 +154,9 @@ func _on_request_completed(result: int, response_code: int, _headers: PackedStri
 	call_deferred("_process_queue")
 	if result != HTTPRequest.RESULT_SUCCESS or response_code < 200 or response_code >= 300:
 		var detail := body.get_string_from_utf8().strip_edges().left(240)
-		request_failed.emit("CCS request failed (%d). %s" % [response_code, detail])
+		var message := "CCS request failed (%d). %s" % [response_code, detail]
+		if action == "report": report_failed.emit(message)
+		else: request_failed.emit(message)
 		return
 	if response_code == 204:
 		attempt = {}
@@ -125,6 +174,7 @@ func _on_request_completed(result: int, response_code: int, _headers: PackedStri
 		"orders": orders = parsed; orders_changed.emit()
 		"history": history = parsed; history_changed.emit()
 		"prediction": prediction = parsed; prediction_changed.emit()
+		"report": report_submitted.emit(str(parsed.get("id", "")))
 		_:
 			attempt = parsed
 			attempt_changed.emit()
@@ -136,3 +186,13 @@ func _process_queue() -> void:
 	var queued: Dictionary = queue.pop_front()
 	var suffix := str(queued.get("url", "")).trim_prefix(api_url.rstrip("/"))
 	_send(str(queued.get("action", "")), int(queued.get("method", HTTPClient.METHOD_GET)), suffix, queued.get("payload", {}))
+
+
+func _escape_bbcode(value: String) -> String:
+	return value.replace("[", "[lb]").replace("]", "[rb]")
+
+
+func _on_auth_changed() -> void:
+	if not AuthState.is_logged_in:
+		highlights.clear()
+		text_scale = 1.0
diff --git a/scripts/ui/ccs_hub.gd b/scripts/ui/ccs_hub.gd
index 6a55aef..55a1c5f 100644
--- a/scripts/ui/ccs_hub.gd
+++ b/scripts/ui/ccs_hub.gd
@@ -2,43 +2,47 @@ extends VBoxContainer
 
 const Style := preload("res://scripts/ui/ui_style.gd")
 var main: Control
-var list: VBoxContainer
 var status: Label
+var start_button: Button
 
 func _ready() -> void:
 	set_anchors_preset(Control.PRESET_FULL_RECT)
 	add_theme_constant_override("separation", 14)
-	var back := Button.new(); back.text = "< All exams"; back.size_flags_horizontal = Control.SIZE_SHRINK_BEGIN
-	Style.style_chip(back, Style.CYAN); back.pressed.connect(func(): main.show_screen("selection", "exam")); add_child(back)
-	var title := Label.new(); title.text = "CCS Case Practice"; Style.set_label(title, 34, Style.TEXT); add_child(title)
+	var back := Button.new(); back.text = "< Step 3 modes"; back.size_flags_horizontal = Control.SIZE_SHRINK_BEGIN
+	Style.style_chip(back, Style.CYAN); back.pressed.connect(func(): main.show_screen("selection", "step3")); add_child(back)
+	var title := Label.new(); title.text = "CCS Cases"; Style.set_label(title, 34, Style.TEXT); add_child(title)
 	var note := Label.new(); note.text = "Manage a simulated patient through examination, orders, treatment, location, and time."; Style.set_label(note, 16, Style.MUTED); add_child(note)
 	status = Label.new(); Style.set_label(status, 15, Style.CYAN); add_child(status)
-	var scroll := ScrollContainer.new(); scroll.size_flags_vertical = Control.SIZE_EXPAND_FILL; add_child(scroll)
-	list = VBoxContainer.new(); list.size_flags_horizontal = Control.SIZE_EXPAND_FILL; list.add_theme_constant_override("separation", 10); scroll.add_child(list)
+	start_button = Button.new()
+	start_button.text = "Start Timed Case"
+	start_button.custom_minimum_size = Vector2(280, 64)
+	start_button.size_flags_horizontal = Control.SIZE_SHRINK_BEGIN
+	Style.style_primary_button(start_button)
+	start_button.pressed.connect(_start)
+	add_child(start_button)
+	var spacer := Control.new(); spacer.size_flags_vertical = Control.SIZE_EXPAND_FILL; add_child(spacer)
 	var history := Button.new(); history.text = "Case History"; history.size_flags_horizontal = Control.SIZE_SHRINK_BEGIN
 	Style.style_chip(history, Style.CYAN); history.pressed.connect(func(): main.show_screen("ccs_history")); add_child(history)
 	CCSService.cases_changed.connect(_render)
 	CCSService.attempt_changed.connect(_attempt_ready)
-	CCSService.request_failed.connect(func(message: String): status.text = message)
+	CCSService.request_failed.connect(_on_request_failed)
 
 func on_show(_payload: Variant = null) -> void:
 	status.text = "Loading cases..."
 	CCSService.load_cases()
 
 func _render() -> void:
-	for child in list.get_children(): child.queue_free()
 	status.text = "No published cases are available yet." if CCSService.cases.is_empty() else "%d cases available" % CCSService.cases.size()
-	for case in CCSService.cases:
-		var panel := PanelContainer.new(); panel.add_theme_stylebox_override("panel", Style.panel_box(Style.SURFACE_DARK, Color("405475"))); list.add_child(panel)
-		var row := HBoxContainer.new(); row.add_theme_constant_override("separation", 12); panel.add_child(row)
-		var details := Label.new(); details.text = "%s\n%s  |  %d-minute case" % [case.get("title", "Untitled case"), case.get("system", ""), case.get("realTimeMinutes", 20)]
-		details.size_flags_horizontal = Control.SIZE_EXPAND_FILL; Style.set_label(details, 18, Style.TEXT); row.add_child(details)
-		var practice := Button.new(); practice.text = "Practice"; Style.style_chip(practice, Style.CYAN); practice.pressed.connect(_start.bind(str(case.get("externalId", "")), "practice")); row.add_child(practice)
-		var timed := Button.new(); timed.text = "Timed"; Style.style_primary_button(timed); timed.pressed.connect(_start.bind(str(case.get("externalId", "")), "timed")); row.add_child(timed)
+	start_button.disabled = CCSService.cases.is_empty()
 
-func _start(case_id: String, mode: String) -> void:
+func _start() -> void:
 	status.text = "Starting case..."
-	CCSService.create_attempt(case_id, mode)
+	start_button.disabled = true
+	CCSService.create_attempt("", "timed")
 
 func _attempt_ready() -> void:
 	if visible and not CCSService.attempt.is_empty(): main.show_screen("ccs_player")
+
+func _on_request_failed(message: String) -> void:
+	status.text = message
+	start_button.disabled = CCSService.cases.is_empty()
diff --git a/scripts/ui/ccs_player.gd b/scripts/ui/ccs_player.gd
index 70a01b7..a98159d 100644
--- a/scripts/ui/ccs_player.gd
+++ b/scripts/ui/ccs_player.gd
@@ -14,17 +14,24 @@ var status: Label
 var timer: Timer
 var end_button: Button
 var time_row: HBoxContainer
+var report_dialog: Control
+var report_button: Button
+var workspace: HSplitContainer
 
 func _ready() -> void:
 	set_anchors_preset(Control.PRESET_FULL_RECT); add_theme_constant_override("separation", 8)
-	var top := HBoxContainer.new(); add_child(top)
+	var top := HBoxContainer.new(); top.add_theme_constant_override("separation", 8); add_child(top)
 	heading = Label.new(); heading.size_flags_horizontal = Control.SIZE_EXPAND_FILL; Style.set_label(heading, 25, Style.TEXT); top.add_child(heading)
 	clock = Label.new(); Style.set_label(clock, 18, Style.AMBER); top.add_child(clock)
-	var columns := HSplitContainer.new(); columns.size_flags_vertical = Control.SIZE_EXPAND_FILL; columns.split_offset = 850; add_child(columns)
-	var chart_panel := VBoxContainer.new(); chart_panel.custom_minimum_size.x = 500; columns.add_child(chart_panel)
-	summary = RichTextLabel.new(); summary.bbcode_enabled = true; summary.custom_minimum_size.y = 160; chart_panel.add_child(summary)
-	chart = RichTextLabel.new(); chart.bbcode_enabled = true; chart.size_flags_vertical = Control.SIZE_EXPAND_FILL; chart_panel.add_child(chart)
-	var clerk_scroll := ScrollContainer.new(); clerk_scroll.custom_minimum_size.x = 430; columns.add_child(clerk_scroll)
+	var smaller := Button.new(); smaller.text = "A-"; smaller.tooltip_text = "Decrease text size"; smaller.pressed.connect(_zoom.bind(-CCSService.TEXT_SCALE_STEP)); top.add_child(smaller)
+	var larger := Button.new(); larger.text = "A+"; larger.tooltip_text = "Increase text size"; larger.pressed.connect(_zoom.bind(CCSService.TEXT_SCALE_STEP)); top.add_child(larger)
+	var clear_highlights := Button.new(); clear_highlights.text = "Clear"; clear_highlights.tooltip_text = "Clear highlights"; clear_highlights.pressed.connect(_clear_highlights); top.add_child(clear_highlights)
+	report_button = Button.new(); report_button.text = "Report"; report_button.tooltip_text = "Report CCS case"; report_button.pressed.connect(_report); top.add_child(report_button)
+	workspace = HSplitContainer.new(); workspace.size_flags_vertical = Control.SIZE_EXPAND_FILL; workspace.split_offset = 850; add_child(workspace)
+	var chart_panel := VBoxContainer.new(); chart_panel.custom_minimum_size.x = 500; workspace.add_child(chart_panel)
+	summary = RichTextLabel.new(); summary.bbcode_enabled = true; summary.selection_enabled = true; summary.custom_minimum_size.y = 160; summary.set_meta("ccs_region", "summary"); summary.gui_input.connect(_text_input.bind(summary)); chart_panel.add_child(summary)
+	chart = RichTextLabel.new(); chart.bbcode_enabled = true; chart.selection_enabled = true; chart.size_flags_vertical = Control.SIZE_EXPAND_FILL; chart.set_meta("ccs_region", "chart"); chart.gui_input.connect(_text_input.bind(chart)); chart_panel.add_child(chart)
+	var clerk_scroll := ScrollContainer.new(); clerk_scroll.custom_minimum_size.x = 430; workspace.add_child(clerk_scroll)
 	var clerk := VBoxContainer.new(); clerk.size_flags_horizontal = Control.SIZE_EXPAND_FILL; clerk.add_theme_constant_override("separation", 8); clerk_scroll.add_child(clerk)
 	var order_title := Label.new(); order_title.text = "Order Clerk"; Style.set_label(order_title, 21, Style.CYAN); clerk.add_child(order_title)
 	search = LineEdit.new(); search.placeholder_text = "Search tests, treatments, and procedures"; search.text_submitted.connect(func(_value): CCSService.search_orders(search.text)); clerk.add_child(search)
@@ -45,6 +52,8 @@ func _ready() -> void:
 	CCSService.attempt_changed.connect(_render)
 	CCSService.orders_changed.connect(_render_search)
 	CCSService.request_failed.connect(func(message: String): status.text = message)
+	CCSService.report_submitted.connect(_report_submitted)
+	report_dialog = preload("res://scripts/ui/ccs_report_dialog.gd").new(); add_child(report_dialog)
 
 func on_show(payload: Variant = null) -> void:
 	status.text = ""
@@ -57,9 +66,8 @@ func _render() -> void:
 	var attempt: Dictionary = CCSService.attempt
 	if attempt.is_empty(): return
 	if str(attempt.get("state", "")) == "completed": main.show_screen("ccs_review", attempt); return
-	heading.text = "%s  |  %s" % [attempt.get("caseTitle", "CCS case"), str(attempt.get("location", "")).capitalize()]
-	summary.text = "[b]%s[/b]\n%s\n\n[b]Vitals[/b]  %s" % [attempt.get("patientSummary", ""), attempt.get("reasonForEncounter", ""), _vitals_text(attempt.get("vitals", {}))]
-	chart.text = "[b]History[/b]\n%s\n\n[b]Appearance[/b]\n%s\n\n[b]Chart[/b]\n%s" % [attempt.get("history", ""), attempt.get("appearance", ""), _chart_text(attempt.get("chart", []))]
+	heading.text = "CCS Case  |  %s" % str(attempt.get("location", "")).capitalize()
+	_render_study_text()
 	_clear(orders)
 	for code in attempt.get("activeOrderCodes", []):
 		var row := HBoxContainer.new(); orders.add_child(row)
@@ -74,12 +82,14 @@ func _render() -> void:
 	end_button.text = "Submit final orders" if str(attempt.get("state", "")) == "final_orders" else "End case"
 	time_row.visible = str(attempt.get("state", "")) == "active"
 	if str(attempt.get("state", "")) == "final_orders": status.text = "Case-end instructions: finalize or cancel orders, then submit."
+	_apply_text_scale()
 
 func _render_search() -> void:
 	_clear(search_results)
 	for order in CCSService.orders:
 		var button := Button.new(); button.text = "%s  (%s)" % [order.get("canonicalName", ""), order.get("category", "")]; button.alignment = HORIZONTAL_ALIGNMENT_LEFT
 		button.pressed.connect(_place_order.bind(str(order.get("code", "")))); search_results.add_child(button)
+	_scale_controls(search_results)
 
 func _place_order(code: String) -> void:
 	CCSService.send_command("order", code); search.text = ""; CCSService.orders = []; _render_search()
@@ -109,3 +119,52 @@ func _chart_text(entries: Array) -> String:
 	var lines: Array[String] = []
 	for entry in entries: lines.append("T+%d [%s] %s" % [entry.get("simulatedMinute", 0), entry.get("category", "note"), entry.get("text", "")])
 	return "\n\n".join(lines)
+
+func _summary_plain() -> String:
+	var attempt := CCSService.attempt
+	return "%s\n%s\n\nVitals  %s" % [attempt.get("patientSummary", ""), attempt.get("reasonForEncounter", ""), _vitals_text(attempt.get("vitals", {}))]
+
+func _chart_plain() -> String:
+	var attempt := CCSService.attempt
+	return "History\n%s\n\nAppearance\n%s\n\nChart\n%s" % [attempt.get("history", ""), attempt.get("appearance", ""), _chart_text(attempt.get("chart", []))]
+
+func _render_study_text() -> void:
+	var id := str(CCSService.attempt.get("id", ""))
+	summary.text = CCSService.highlighted_text(id, "summary", _summary_plain())
+	chart.text = CCSService.highlighted_text(id, "chart", _chart_plain())
+
+func _text_input(event: InputEvent, label: RichTextLabel) -> void:
+	var mouse := event as InputEventMouseButton
+	if mouse != null and mouse.button_index == MOUSE_BUTTON_LEFT and not mouse.pressed:
+		call_deferred("_commit_selection", label)
+
+func _commit_selection(label: RichTextLabel) -> void:
+	var selected := label.get_selected_text().strip_edges()
+	if selected.is_empty(): return
+	var start := label.get_selection_from(); var end := label.get_selection_to()
+	CCSService.toggle_highlight(str(CCSService.attempt.get("id", "")), str(label.get_meta("ccs_region", "")), mini(start, end), maxi(start, end))
+	label.deselect(); _render_study_text()
+
+func _zoom(delta: float) -> void:
+	CCSService.adjust_text_scale(delta); _apply_text_scale()
+
+func _apply_text_scale() -> void:
+	var size := int(round(18.0 * CCSService.text_scale))
+	for label in [summary, chart]:
+		label.add_theme_font_size_override("normal_font_size", size); label.add_theme_font_size_override("bold_font_size", size)
+	_scale_controls(workspace)
+
+func _scale_controls(node: Node) -> void:
+	if node is Label or node is Button or node is LineEdit:
+		if not node.has_meta("ccs_base_font_size"): node.set_meta("ccs_base_font_size", node.get_theme_font_size("font_size"))
+		node.add_theme_font_size_override("font_size", int(round(float(node.get_meta("ccs_base_font_size")) * CCSService.text_scale)))
+	for child in node.get_children(): _scale_controls(child)
+
+func _clear_highlights() -> void:
+	CCSService.clear_highlights(str(CCSService.attempt.get("id", ""))); _render_study_text()
+
+func _report() -> void:
+	report_dialog.show_for(str(CCSService.attempt.get("id", "")))
+
+func _report_submitted(_id: String) -> void:
+	Style.style_chip(report_button, Style.RED); report_button.tooltip_text = "Report submitted; report another issue"
diff --git a/scripts/ui/ccs_report_dialog.gd b/scripts/ui/ccs_report_dialog.gd
new file mode 100644
index 0000000..3e0c93c
--- /dev/null
+++ b/scripts/ui/ccs_report_dialog.gd
@@ -0,0 +1,76 @@
+extends Control
+
+const Style := preload("res://scripts/ui/ui_style.gd")
+const CATEGORIES := [
+	{"id":"clarity", "label":"Clarity"}, {"id":"medical_accuracy", "label":"Medical accuracy"},
+	{"id":"case_progression_scoring", "label":"Case progression / scoring"}, {"id":"formatting_media", "label":"Formatting / media"},
+	{"id":"technical_issue", "label":"Technical issue"}, {"id":"other", "label":"Other"}
+]
+var group: ButtonGroup
+var details: TextEdit
+var count: Label
+var error: Label
+var submit: Button
+var form: VBoxContainer
+var success: VBoxContainer
+var attempt_id := ""
+var panel: PanelContainer
+
+func _ready() -> void:
+	visible = false; top_level = true; mouse_filter = Control.MOUSE_FILTER_STOP; set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
+	var dim := ColorRect.new(); dim.color = Color(0,0,0,0.7); dim.set_anchors_preset(Control.PRESET_FULL_RECT); add_child(dim)
+	var center := CenterContainer.new(); center.set_anchors_preset(Control.PRESET_FULL_RECT); add_child(center)
+	panel = PanelContainer.new(); panel.custom_minimum_size = Vector2(680, 560); panel.add_theme_stylebox_override("panel", Style.panel_box(Style.SURFACE_DARK, Style.RED)); center.add_child(panel)
+	var root := VBoxContainer.new(); root.add_theme_constant_override("separation", 12); panel.add_child(root)
+	var title := Label.new(); title.text = "Report CCS case"; Style.set_label(title, 25, Style.TEXT); root.add_child(title)
+	form = VBoxContainer.new(); form.add_theme_constant_override("separation", 10); root.add_child(form)
+	group = ButtonGroup.new(); group.allow_unpress = false
+	var grid := GridContainer.new(); grid.columns = 2; form.add_child(grid)
+	for category in CATEGORIES:
+		var option := CheckBox.new(); option.text = category.label; option.set_meta("category", category.id); option.button_group = group; option.toggled.connect(func(_value): _refresh()); grid.add_child(option)
+	var header := HBoxContainer.new(); form.add_child(header)
+	var prompt := Label.new(); prompt.text = "Details"; prompt.size_flags_horizontal = Control.SIZE_EXPAND_FILL; header.add_child(prompt)
+	count = Label.new(); header.add_child(count)
+	details = TextEdit.new(); details.placeholder_text = "Describe what should be reviewed."; details.custom_minimum_size = Vector2(0, 190); details.wrap_mode = TextEdit.LINE_WRAPPING_BOUNDARY; details.text_changed.connect(_refresh); form.add_child(details)
+	error = Label.new(); Style.set_label(error, 14, Style.RED); form.add_child(error)
+	var actions := HBoxContainer.new(); form.add_child(actions)
+	var cancel := Button.new(); cancel.text = "Cancel"; cancel.pressed.connect(hide_dialog); actions.add_child(cancel)
+	submit = Button.new(); submit.text = "Submit report"; submit.size_flags_horizontal = Control.SIZE_EXPAND_FILL; Style.style_primary_button(submit); submit.pressed.connect(_submit); actions.add_child(submit)
+	success = VBoxContainer.new(); success.visible = false; root.add_child(success)
+	var success_label := Label.new(); success_label.text = "Report submitted\nThank you for helping improve this case."; success_label.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER; Style.set_label(success_label, 22, Style.LIME); success.add_child(success_label)
+	var close := Button.new(); close.text = "Close"; close.pressed.connect(hide_dialog); success.add_child(close)
+	CCSService.report_submitted.connect(_submitted); CCSService.report_failed.connect(_failed)
+	resized.connect(_refresh_size)
+	_refresh()
+	_refresh_size()
+
+func show_for(value: String) -> void:
+	attempt_id = value; details.text = ""; error.text = ""; form.visible = true; success.visible = false
+	for button in group.get_buttons(): button.button_pressed = false
+	visible = true; move_to_front(); _refresh()
+
+func hide_dialog() -> void:
+	visible = false
+
+func _unhandled_input(event: InputEvent) -> void:
+	if visible and event.is_action_pressed("ui_cancel"): hide_dialog(); get_viewport().set_input_as_handled()
+
+func _refresh_size() -> void:
+	if panel != null: panel.custom_minimum_size = Vector2(minf(680.0, maxf(300.0, size.x - 32.0)), minf(560.0, maxf(420.0, size.y - 32.0)))
+
+func _refresh() -> void:
+	var length := details.text.strip_edges().length() if details != null else 0
+	if count != null: count.text = "%d / 2000" % length
+	if submit != null: submit.disabled = group.get_pressed_button() == null or length < 10 or length > 2000
+
+func _submit() -> void:
+	var selected := group.get_pressed_button();
+	if selected == null: return
+	submit.disabled = true; submit.text = "Submitting..."
+	CCSService.submit_report(attempt_id, str(selected.get_meta("category", "")), details.text.strip_edges())
+
+func _submitted(_id: String) -> void:
+	submit.text = "Submit report"; form.visible = false; success.visible = true
+
+func _failed(message: String) -> void:
+	submit.text = "Submit report"; error.text = message; _refresh()
diff --git a/scripts/ui/ccs_report_dialog.gd.uid b/scripts/ui/ccs_report_dialog.gd.uid
new file mode 100644
index 0000000..ddf7d71
--- /dev/null
+++ b/scripts/ui/ccs_report_dialog.gd.uid
@@ -0,0 +1 @@
+uid://bvabwfcabwpkh
diff --git a/scripts/ui/ccs_review.gd b/scripts/ui/ccs_review.gd
index 3be7ae5..28000ec 100644
--- a/scripts/ui/ccs_review.gd
+++ b/scripts/ui/ccs_review.gd
@@ -3,36 +3,86 @@ extends VBoxContainer
 const Style := preload("res://scripts/ui/ui_style.gd")
 var main: Control
 var title: Label
-var body: RichTextLabel
+var score_body: RichTextLabel
+var timeline_body: RichTextLabel
+var references: VBoxContainer
+var report_dialog: Control
+var report_button: Button
+var current_attempt := {}
 
 func _ready() -> void:
-	set_anchors_preset(Control.PRESET_FULL_RECT); add_theme_constant_override("separation", 12)
-	title = Label.new(); Style.set_label(title, 32, Style.TEXT); add_child(title)
-	body = RichTextLabel.new(); body.bbcode_enabled = true; body.fit_content = false; body.size_flags_vertical = Control.SIZE_EXPAND_FILL
-	body.meta_clicked.connect(func(meta): OS.shell_open(str(meta))); add_child(body)
-	CCSService.attempt_changed.connect(_refresh_loaded_attempt)
+	set_anchors_preset(Control.PRESET_FULL_RECT); add_theme_constant_override("separation", 10)
+	var toolbar := HBoxContainer.new(); toolbar.add_theme_constant_override("separation", 8); add_child(toolbar)
+	title = Label.new(); title.size_flags_horizontal = Control.SIZE_EXPAND_FILL; Style.set_label(title, 30, Style.TEXT); toolbar.add_child(title)
+	var smaller := Button.new(); smaller.text = "A-"; smaller.tooltip_text = "Decrease text size"; smaller.pressed.connect(_zoom.bind(-CCSService.TEXT_SCALE_STEP)); toolbar.add_child(smaller)
+	var larger := Button.new(); larger.text = "A+"; larger.tooltip_text = "Increase text size"; larger.pressed.connect(_zoom.bind(CCSService.TEXT_SCALE_STEP)); toolbar.add_child(larger)
+	var clear := Button.new(); clear.text = "Clear"; clear.tooltip_text = "Clear highlights"; clear.pressed.connect(_clear_highlights); toolbar.add_child(clear)
+	report_button = Button.new(); report_button.text = "Report"; report_button.tooltip_text = "Report CCS case"; report_button.pressed.connect(_report); toolbar.add_child(report_button)
+	var scroll := ScrollContainer.new(); scroll.size_flags_vertical = Control.SIZE_EXPAND_FILL; add_child(scroll)
+	var content := VBoxContainer.new(); content.size_flags_horizontal = Control.SIZE_EXPAND_FILL; content.add_theme_constant_override("separation", 14); scroll.add_child(content)
+	score_body = _study_label("score"); score_body.custom_minimum_size.y = 200; content.add_child(score_body)
+	timeline_body = _study_label("timeline"); timeline_body.custom_minimum_size.y = 260; content.add_child(timeline_body)
+	references = VBoxContainer.new(); content.add_child(references)
+	CCSService.attempt_changed.connect(_refresh_loaded_attempt); CCSService.report_submitted.connect(_report_submitted)
+	report_dialog = preload("res://scripts/ui/ccs_report_dialog.gd").new(); add_child(report_dialog)
 	var row := HBoxContainer.new(); add_child(row)
 	var cases := Button.new(); cases.text = "More cases"; Style.style_primary_button(cases); cases.pressed.connect(func(): main.show_screen("ccs_hub")); row.add_child(cases)
 	var history := Button.new(); history.text = "Case history"; history.pressed.connect(func(): main.show_screen("ccs_history")); row.add_child(history)
 
-func on_show(payload: Variant = null) -> void:
-	if typeof(payload) == TYPE_STRING:
-		CCSService.load_attempt(str(payload))
-		return
-	var attempt: Dictionary = payload if typeof(payload) == TYPE_DICTIONARY else CCSService.attempt
-	if attempt.is_empty(): return
-	var score: Dictionary = attempt.get("score", {})
-	title.text = "%s: %d%%" % [attempt.get("caseTitle", "Case review"), int(round(float(score.get("percent", 0))))]
-	var text := "[b]Scoring review[/b]\n"
-	for criterion in score.get("criteria", []):
-		var status := str(criterion.get("status", "missed"))
-		text += "\n[color=%s][b]%s  %s%d[/b][/color]\n%s\n" % [Style.LIME.to_html() if status in ["credited", "avoided"] else Style.RED.to_html(), status.capitalize(), "+" if int(criterion.get("points", 0)) >= 0 else "", criterion.get("points", 0), criterion.get("rationale", "")]
-	text += "\n[b]Case timeline[/b]\n"
-	for entry in attempt.get("chart", []): text += "\nT+%d [%s] %s" % [entry.get("simulatedMinute", 0), entry.get("category", "note"), entry.get("text", "")]
-	if not attempt.get("references", []).is_empty():
-		text += "\n\n[b]References[/b]\n"
-		for reference in attempt.get("references", []): text += "\n[url=%s]%s[/url]" % [reference.get("url", ""), reference.get("title", reference.get("url", "Reference"))]
-	body.text = text
+func _study_label(region: String) -> RichTextLabel:
+	var label := RichTextLabel.new(); label.bbcode_enabled = true; label.fit_content = true; label.selection_enabled = true; label.set_meta("ccs_region", region); label.gui_input.connect(_text_input.bind(label)); return label
 
+func on_show(payload: Variant = null) -> void:
+	if typeof(payload) == TYPE_STRING: CCSService.load_attempt(str(payload)); return
+	current_attempt = payload if typeof(payload) == TYPE_DICTIONARY else CCSService.attempt
+	if current_attempt.is_empty(): return
+	var score: Dictionary = current_attempt.get("score", {})
+	title.text = "%s: %d%%" % [current_attempt.get("caseTitle", "Case review"), int(round(float(score.get("percent", 0))))]
+	_render_text(); _render_references(); _apply_text_scale()
+
+func _score_plain() -> String:
+	var lines: Array[String] = ["Scoring review"]
+	for criterion in current_attempt.get("score", {}).get("criteria", []):
+		lines.append("%s  %s%d\n%s" % [str(criterion.get("status", "missed")).capitalize(), "+" if int(criterion.get("points", 0)) >= 0 else "", criterion.get("points", 0), criterion.get("rationale", "")])
+	return "\n\n".join(lines)
+
+func _timeline_plain() -> String:
+	var lines: Array[String] = ["Case timeline"]
+	for entry in current_attempt.get("chart", []): lines.append("T+%d [%s] %s" % [entry.get("simulatedMinute", 0), entry.get("category", "note"), entry.get("text", "")])
+	return "\n\n".join(lines)
+
+func _render_text() -> void:
+	var id := str(current_attempt.get("id", ""))
+	score_body.text = CCSService.highlighted_text(id, "score", _score_plain())
+	timeline_body.text = CCSService.highlighted_text(id, "timeline", _timeline_plain())
+
+func _render_references() -> void:
+	for child in references.get_children(): child.queue_free()
+	if current_attempt.get("references", []).is_empty(): return
+	var heading := Label.new(); heading.text = "References"; Style.set_label(heading, int(round(19.0 * CCSService.text_scale)), Style.TEXT); references.add_child(heading)
+	for reference in current_attempt.get("references", []):
+		var link := LinkButton.new(); link.text = str(reference.get("title", reference.get("url", "Reference"))); link.pressed.connect(OS.shell_open.bind(str(reference.get("url", "")))); link.add_theme_font_size_override("font_size", int(round(16.0 * CCSService.text_scale))); references.add_child(link)
+
+func _text_input(event: InputEvent, label: RichTextLabel) -> void:
+	var mouse := event as InputEventMouseButton
+	if mouse != null and mouse.button_index == MOUSE_BUTTON_LEFT and not mouse.pressed: call_deferred("_commit_selection", label)
+
+func _commit_selection(label: RichTextLabel) -> void:
+	if label.get_selected_text().strip_edges().is_empty(): return
+	var start := label.get_selection_from(); var end := label.get_selection_to()
+	CCSService.toggle_highlight(str(current_attempt.get("id", "")), str(label.get_meta("ccs_region", "")), mini(start,end), maxi(start,end)); label.deselect(); _render_text()
+
+func _zoom(delta: float) -> void:
+	CCSService.adjust_text_scale(delta); _apply_text_scale(); _render_references()
+
+func _apply_text_scale() -> void:
+	var size := int(round(18.0 * CCSService.text_scale))
+	for label in [score_body, timeline_body]: label.add_theme_font_size_override("normal_font_size", size); label.add_theme_font_size_override("bold_font_size", size)
+
+func _clear_highlights() -> void:
+	CCSService.clear_highlights(str(current_attempt.get("id", ""))); _render_text()
+
+func _report() -> void: report_dialog.show_for(str(current_attempt.get("id", "")))
+func _report_submitted(_id: String) -> void: Style.style_chip(report_button, Style.RED); report_button.tooltip_text = "Report submitted; report another issue"
 func _refresh_loaded_attempt() -> void:
 	if visible and str(CCSService.attempt.get("state", "")) == "completed": on_show(CCSService.attempt)
diff --git a/scripts/ui/study_selector.gd b/scripts/ui/study_selector.gd
index e02e320..c4223df 100644
--- a/scripts/ui/study_selector.gd
+++ b/scripts/ui/study_selector.gd
@@ -14,7 +14,10 @@ var retry_button: Button
 var simulation_button: Button
 var simulation_status_label: Label
 var simulation_preview_link: LinkButton
+var ccs_button: Button
+var ccs_status_label: Label
 var pending_simulation_launch := false
+var pending_ccs_launch := false
 var current_stage := "exam"
 var pending_question_bank_launch := false
 
@@ -35,6 +38,10 @@ func _ready() -> void:
 		ExamSimulationService.request_failed.connect(_on_simulation_failed)
 	if not AuthState.auth_changed.is_connected(_refresh_simulation_preview_visibility):
 		AuthState.auth_changed.connect(_refresh_simulation_preview_visibility)
+	if not CCSService.attempt_changed.is_connected(_on_ccs_attempt_changed):
+		CCSService.attempt_changed.connect(_on_ccs_attempt_changed)
+	if not CCSService.request_failed.is_connected(_on_ccs_failed):
+		CCSService.request_failed.connect(_on_ccs_failed)
 
 	_build_exam_view()
 	_build_mode_view()
@@ -53,6 +60,7 @@ func on_show(payload: Variant = null) -> void:
 
 func on_hide() -> void:
 	pending_question_bank_launch = false
+	pending_ccs_launch = false
 
 
 func _build_exam_view() -> void:
@@ -88,7 +96,6 @@ func _build_exam_view() -> void:
 	_add_exam_option("STEP 1", "Foundational sciences", false)
 	_add_exam_option("STEP 2", "Clinical knowledge", false)
 	_add_exam_option("STEP 3", "Advanced clinical management", true)
-	_add_exam_option("CCS Cases", "Interactive case simulations", true, "ccs")
 
 
 func _build_mode_view() -> void:
@@ -159,6 +166,21 @@ func _build_mode_view() -> void:
 	simulation_button.pressed.connect(_select_simulation)
 	mode_grid.add_child(simulation_button)
 
+	ccs_button = Button.new()
+	ccs_button.text = "CCS Cases\nInteractive case simulations  |  Available"
+	ccs_button.alignment = HORIZONTAL_ALIGNMENT_LEFT
+	ccs_button.custom_minimum_size = Vector2(360, 150)
+	ccs_button.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	ccs_button.add_theme_font_size_override("font_size", 20)
+	Style.style_primary_button(ccs_button)
+	ccs_button.pressed.connect(_select_ccs)
+	mode_grid.add_child(ccs_button)
+
+	ccs_status_label = Label.new()
+	ccs_status_label.autowrap_mode = TextServer.AUTOWRAP_WORD_SMART
+	Style.set_label(ccs_status_label, 15, Style.MUTED)
+	mode_view.add_child(ccs_status_label)
+
 	simulation_status_label = Label.new()
 	simulation_status_label.autowrap_mode = TextServer.AUTOWRAP_WORD_SMART
 	Style.set_label(simulation_status_label, 15, Style.MUTED)
@@ -197,7 +219,7 @@ func _build_mode_view() -> void:
 	mode_view.add_child(spacer)
 
 
-func _add_exam_option(option_name: String, description: String, available: bool, destination: String = "step3") -> void:
+func _add_exam_option(option_name: String, description: String, available: bool) -> void:
 	var button := Button.new()
 	button.text = "%s\n%s  |  %s" % [option_name, description, "Available" if available else "Coming Soon"]
 	button.alignment = HORIZONTAL_ALIGNMENT_LEFT
@@ -208,8 +230,7 @@ func _add_exam_option(option_name: String, description: String, available: bool,
 	button.disabled = not available
 	if available:
 		Style.style_primary_button(button)
-		if destination == "ccs": button.pressed.connect(func(): main.show_screen("ccs_hub"))
-		else: button.pressed.connect(func(): _show_stage("step3"))
+		button.pressed.connect(func(): _show_stage("step3"))
 	exam_grid.add_child(button)
 
 
@@ -231,6 +252,30 @@ func _select_question_bank() -> void:
 	_refresh_bank_state()
 
 
+func _select_ccs() -> void:
+	pending_ccs_launch = true
+	ccs_button.disabled = true
+	ccs_status_label.text = "Selecting a timed case..."
+	CCSService.create_attempt("", "timed")
+
+
+func _on_ccs_attempt_changed() -> void:
+	if not pending_ccs_launch or CCSService.attempt.is_empty():
+		return
+	pending_ccs_launch = false
+	ccs_button.disabled = false
+	ccs_status_label.text = ""
+	main.show_screen("ccs_player")
+
+
+func _on_ccs_failed(message: String) -> void:
+	if not pending_ccs_launch:
+		return
+	pending_ccs_launch = false
+	ccs_button.disabled = false
+	ccs_status_label.text = message
+
+
 func _retry_question_bank() -> void:
 	pending_question_bank_launch = true
 	QuestionBankService.retry_now()