feat: better roulette wheel design

9 files changed, 624 insertions, 21 deletions

diff --git a/internal/game/blackjack_rules.go b/internal/game/blackjack_rules.go
index b56d3ee..bab996c 100644
--- a/internal/game/blackjack_rules.go
+++ b/internal/game/blackjack_rules.go
@@ -39,7 +39,7 @@ func (g *Game) lookCardTable(sess *net.Session, target string, game casino.GameN
 		if !ok {
 			return false
 		}
-		sess.WriteLine(table.Config.RulesText())
+		sess.WriteLine(g.renderCasinoRules(sess, table.Config))
 		return true
 	}
 	return false
diff --git a/internal/game/casino.go b/internal/game/casino.go
index 857a6a8..230108f 100644
--- a/internal/game/casino.go
+++ b/internal/game/casino.go
@@ -551,14 +551,17 @@ func (g *Game) emitCasinoEvents(events []casino.Event) {
 				if event.Detail && !details {
 					continue
 				}
-				message := g.casinoTimeText(event.Message)
+				// Style prose before composing it with independently styled art.
+				// Wrapping the finished message leaks casino_action into borders
+				// and plain spaces between a snapshot's own color resets.
+				message := g.colorize(sess, category, g.casinoTimeText(event.Message))
 				if details {
 					if rendered := g.renderCasinoSnapshot(sess, event.Snapshot); rendered != "" {
 						message += "\n" + rendered
 					}
 				}
 				if message != "" {
-					sess.WriteLine(g.colorize(sess, category, message))
+					sess.WriteLine(message)
 				}
 			}
 		}
@@ -579,13 +582,14 @@ func (g *Game) emitCasinoEvents(events []casino.Event) {
 			continue
 		}
 		privateMessage := g.casinoPrivateMessage(sess, category, event.Menu, g.casinoTimeText(text))
+		privateMessage = g.renderCasinoMessage(sess, category, event.Menu, privateMessage)
 		if rendered := g.renderCasinoSnapshot(sess, event.Snapshot); rendered != "" {
 			privateMessage += "\n" + rendered
 		}
 		if event.ShowBalance {
 			privateMessage += "\n" + g.casinoBalance(sess)
 		}
-		sess.WriteLine(g.renderCasinoMessage(sess, category, event.Menu, privateMessage))
+		sess.WriteLine(privateMessage)
 		if category == "casino_menu" {
 			g.writePrompt(sess)
 		}
@@ -674,7 +678,7 @@ func (g *Game) renderCasinoSnapshot(sess *net.Session, snapshot casino.Snapshot)
 	}
 	switch s := snapshot.(type) {
 	case *casino.RouletteSnapshot:
-		return s.ASCII()
+		return renderRouletteSnapshot(s, mode, unicode, size)
 	case *casino.SlotSnapshot:
 		return renderSlotSnapshot(s, mode, unicode)
 	case *casino.BlackjackSnapshot:
diff --git a/internal/game/casino_ux.go b/internal/game/casino_ux.go
index d5ed67e..d885665 100644
--- a/internal/game/casino_ux.go
+++ b/internal/game/casino_ux.go
@@ -107,11 +107,13 @@ func (g *Game) executeTableStatus(sess *net.Session, args []string, _ string) {
 		return
 	}
 	if len(args) > 0 && args[0] == "rules" {
-		text := t.Config.RulesText()
-		sess.WriteLine(g.colorize(sess, "casino_action", text))
+		sess.WriteLine(g.renderCasinoRules(sess, t.Config))
 		return
 	}
 	g.emitCasinoEvents(t.Status(sess.Player.Name))
+	if t.Config.Game == casino.GameRoulette {
+		sess.WriteLine(g.rouletteReminder(sess))
+	}
 	if len(args) > 0 {
 		sess.WriteLine(g.renderCasinoCommands(sess, "", "Table controls", []casino.MenuCommand{
 			{Command: "bet / rebet", Desc: "Repeat the displayed wager"},
diff --git a/internal/game/cmd_look.go b/internal/game/cmd_look.go
index f01b83c..1de58f8 100644
--- a/internal/game/cmd_look.go
+++ b/internal/game/cmd_look.go
@@ -133,33 +133,46 @@ func wrapText(text string, width int) []string {
 }
 
 func (g *Game) writeLookSideBySide(sess *net.Session, p *player.Player, contentLines []string, mapLines []string, descWidth int) {
-	total := len(contentLines)
-	if len(mapLines) > total {
-		total = len(mapLines)
-	}
-	leftMap := p.OptionString("tiny_map") == "left"
 	mapWidth := descWidth
 	if mapWidth <= 0 {
 		mapWidth = 70
 	}
+	// Wrap any content line that would overrun the map column. Without this a
+	// long table status writes through the minimap; with it the status wraps
+	// and the map keeps its own column.
+	content := make([]string, 0, len(contentLines))
+	for _, line := range contentLines {
+		if visibleLen(line) <= mapWidth {
+			content = append(content, line)
+			continue
+		}
+		for _, part := range strings.Split(color.WrapANSI(line, mapWidth), "\r\n") {
+			content = append(content, part)
+		}
+	}
+	total := len(content)
+	if len(mapLines) > total {
+		total = len(mapLines)
+	}
+	leftMap := p.OptionString("tiny_map") == "left"
 	for i := 0; i < total; i++ {
-		content := ""
-		if i < len(contentLines) {
-			content = contentLines[i]
+		piece := ""
+		if i < len(content) {
+			piece = content[i]
 		}
 		if i < len(mapLines) {
 			mapLine := mapLines[i]
 			if leftMap {
-				sess.WriteLine(fmt.Sprintf("%s  %s", mapLine, content))
+				sess.WriteLine(fmt.Sprintf("%s  %s", mapLine, piece))
 			} else {
-				pad := mapWidth - visibleLen(content)
+				pad := mapWidth - visibleLen(piece)
 				if pad < 0 {
 					pad = 0
 				}
-				sess.WriteLine(content + strings.Repeat(" ", pad) + "  " + mapLine)
+				sess.WriteLine(piece + strings.Repeat(" ", pad) + "  " + mapLine)
 			}
 		} else {
-			sess.WriteLine(content)
+			sess.WriteLine(piece)
 		}
 	}
 }
diff --git a/internal/game/look_alignment_test.go b/internal/game/look_alignment_test.go
index 42af09a..3b45da1 100644
--- a/internal/game/look_alignment_test.go
+++ b/internal/game/look_alignment_test.go
@@ -9,6 +9,40 @@ import (
 	"thehouseoficarus/internal/player"
 )
 
+func TestLookMiniMapLongContentWrapsWithoutCollision(t *testing.T) {
+	// A long status line (for example a room fixture's live table overview)
+	// must wrap before the map column instead of writing through it.
+	for _, side := range []string{"right", "left"} {
+		t.Run(side, func(t *testing.T) {
+			p := player.New("alice")
+			p.Options = map[string]any{"tiny_map": side, "wrap_width": 80}
+			conn := &casinoTestConn{}
+			sess := &net.Session{Player: p, Conn: conn}
+			long := "Roulette / Single zero | Limits 1-10000 | 1/8 seated | Betting open and the wheel is spinning right now"
+			content := []string{long}
+			mapLines := []string{"╔═════╗", "║□-□-□║", "║   ↑ ║", "║  @  ║", "║  │  ║", "║  ■  ║", "╚═════╝"}
+			(&Game{}).writeLookSideBySide(sess, p, content, mapLines, 71)
+			lines := strings.Split(strings.TrimSuffix(string(conn.data), "\r\n"), "\r\n")
+			if len(lines) < len(mapLines) {
+				t.Fatalf("got %d lines, want at least %d", len(lines), len(mapLines))
+			}
+			for i, line := range lines[:len(mapLines)] {
+				index := strings.Index(line, mapLines[i])
+				if index < 0 {
+					t.Fatalf("line %d missing map row: %q", i, line)
+				}
+				want := 73
+				if side == "left" {
+					want = 0
+				}
+				if got := visibleLen(line[:index]); got != want {
+					t.Errorf("line %d: map column = %d, want %d (content collided)", i, got, want)
+				}
+			}
+		})
+	}
+}
+
 func TestLookMiniMapAlignment(t *testing.T) {
 	for _, side := range []string{"right", "left"} {
 		for _, colored := range []bool{false, true} {
diff --git a/internal/game/look_entities.go b/internal/game/look_entities.go
index 8bf762d..2507073 100644
--- a/internal/game/look_entities.go
+++ b/internal/game/look_entities.go
@@ -231,7 +231,7 @@ func (g *Game) showRoomCasinos(sess *net.Session, room *world.Room) []string {
 	var lines []string
 	for _, table := range room.CasinoTables {
 		cfg := table.Normalize()
-		label := fmt.Sprintf("%s | Limits %d–%d | 0/%d seated | Betting open", cfg.Label(), cfg.MinBet, cfg.MaxBet, cfg.MaxPlayers)
+		label := fmt.Sprintf("%s | Limits %d-%d | 0/%d seated | Betting open", cfg.Label(), cfg.MinBet, cfg.MaxBet, cfg.MaxPlayers)
 		if g.Casino != nil {
 			if live := g.Casino.Table(room.ID, table.ID); live != nil {
 				label = g.casinoTimeText(live.Overview())
diff --git a/internal/game/render_roulette.go b/internal/game/render_roulette.go
new file mode 100644
index 0000000..95e91ff
--- /dev/null
+++ b/internal/game/render_roulette.go
@@ -0,0 +1,333 @@
+package game
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+
+	"thehouseoficarus/internal/casino"
+	"thehouseoficarus/internal/color"
+	"thehouseoficarus/internal/net"
+)
+
+// Roulette art is rendered per recipient, just like cards. Never embed ANSI
+// in engine snapshots: spectators may have different color/Unicode settings.
+func renderRouletteSnapshot(s *casino.RouletteSnapshot, mode string, unicode bool, size int) string {
+	switch s.Phase {
+	case "playing":
+		return renderRouletteWheel(s.Wheel, mode, unicode)
+	case "result":
+		return renderRouletteResult(s.Pockets, mode, unicode, size)
+	default:
+		return renderRouletteLayout(s.DoubleZero, mode, unicode)
+	}
+}
+
+func rouletteInk(mode, text string) string {
+	return color.Render(mode, color.ColorSpec{Fg: 15, Bg: -1}, text)
+}
+
+// Use the basic palette so both ANSI-16 and xterm256 give white-on-red,
+// white-on-green and white-on-black, rather than approximating a gradient.
+func roulettePaint(mode, text string, bg int) string {
+	return color.Render(mode, color.ColorSpec{Fg: 15, Bg: bg, Bold: true}, text)
+}
+
+func roulettePocketColor(pocket string) (int, string) {
+	if pocket == "0" || pocket == "00" {
+		return 2, "GREEN"
+	}
+	n, _ := strconv.Atoi(pocket)
+	switch n {
+	case 1, 3, 5, 7, 9, 12, 14, 16, 18, 19, 21, 23, 25, 27, 30, 32, 34, 36:
+		return 1, "RED"
+	default:
+		return 0, "BLACK"
+	}
+}
+
+func rouletteCenter(text string, width int) string {
+	pad := max(0, width-color.VisibleLen(text))
+	return strings.Repeat(" ", pad/2) + text + strings.Repeat(" ", pad-pad/2)
+}
+
+type rouletteLines struct{ h, v, tl, tr, bl, br, teeTop, teeBottom, teeLeft, teeRight, cross string }
+
+func rouletteBorders(unicode bool) rouletteLines {
+	if unicode {
+		return rouletteLines{"─", "│", "┌", "┐", "└", "┘", "┬", "┴", "├", "┤", "┼"}
+	}
+	return rouletteLines{"-", "|", "+", "+", "+", "+", "+", "+", "+", "+", "+"}
+}
+
+func repeatRoulette(s string, n int) []string {
+	parts := make([]string, n)
+	for i := range parts {
+		parts[i] = s
+	}
+	return parts
+}
+
+// renderRouletteLayout draws the betting board. Green is reserved for the
+// 0/00 lane: every other cell is red, black, or plain. The odds reminder is
+// not part of the board (it is shown by the "table" command), so the board
+// stays compact enough to sit in a betting menu.
+func renderRouletteLayout(double bool, mode string, unicode bool) string {
+	b := rouletteBorders(unicode)
+	var lines []string
+	title := "ROULETTE / SINGLE ZERO"
+	if double {
+		title = "ROULETTE / DOUBLE ZERO"
+	}
+	lines = append(lines, rouletteInk(mode, title))
+	// Five columns for the zero lane, twelve four-column pockets. Four
+	// adjacent pockets line up exactly over each 19-column dozen.
+	gridRule := func(left, joint, right string) string {
+		return left + strings.Repeat(b.h, 5) + joint + strings.Join(repeatRoulette(strings.Repeat(b.h, 4), 12), joint) + right
+	}
+	lines = append(lines, rouletteInk(mode, gridRule(b.tl, b.teeTop, b.tr)))
+	for row := 3; row >= 1; row-- {
+		zero, zeroBg := "", -1
+		switch {
+		case double && row == 3:
+			zero, zeroBg = "0", 2
+		case double && row == 1:
+			zero, zeroBg = "00", 2
+		case !double && row == 2:
+			zero, zeroBg = "0", 2
+		}
+		if zeroBg == 2 && (mode == "none" || mode == "") {
+			zero += "G"
+		}
+		line := rouletteInk(mode, b.v) + roulettePaint(mode, rouletteCenter(zero, 5), zeroBg) + rouletteInk(mode, b.v)
+		for n := row; n <= 36; n += 3 {
+			pocket := strconv.Itoa(n)
+			bg, name := roulettePocketColor(pocket)
+			if mode == "none" || mode == "" {
+				pocket += name[:1]
+			}
+			line += roulettePaint(mode, rouletteCenter(pocket, 4), bg) + rouletteInk(mode, b.v)
+		}
+		line += rouletteInk(mode, fmt.Sprintf(" column%d", row))
+		lines = append(lines, line)
+		if row > 1 {
+			// The zero lane spans the grid height; only its labeled cell is green.
+			line = rouletteInk(mode, b.v+"     "+b.teeLeft+strings.Join(repeatRoulette(strings.Repeat(b.h, 4), 12), b.cross)+b.teeRight)
+			lines = append(lines, line)
+		}
+	}
+	lines = append(lines, rouletteInk(mode, gridRule(b.bl, b.teeBottom, b.br)))
+	// Outside bets share the exact 60-column numbered-grid footprint.
+	indent := "      "
+	dozen := indent + rouletteInk(mode, b.v)
+	for i := 1; i <= 3; i++ {
+		dozen += rouletteInk(mode, rouletteCenter(fmt.Sprintf("dozen%d", i), 19)) + rouletteInk(mode, b.v)
+	}
+	lines = append(lines, dozen)
+	line := indent + rouletteInk(mode, b.v)
+	for _, bet := range []string{"low", "even", "red", "black", "odd", "high"} {
+		bg := -1
+		if bet == "red" {
+			bg = 1
+		}
+		if bet == "black" {
+			bg = 0
+		}
+		line += roulettePaint(mode, rouletteCenter(bet, 9), bg) + rouletteInk(mode, b.v)
+	}
+	lines = append(lines, line, rouletteInk(mode, indent+b.bl+strings.Repeat(b.h, 59)+b.br))
+	if mode == "none" || mode == "" {
+		lines = append(lines, "R = red, B = black, G = green")
+	}
+	return strings.Join(lines, "\n")
+}
+
+// rouletteWheelSlots are the pocket anchor points (clockwise from the top) for
+// the single-zero ring. The double-zero ring inserts one extra slot at the
+// bottom centre. This hand-tuned geometry is what keeps a full 37/38-pocket
+// circle readable in a monospace terminal.
+var rouletteWheelSlots = [][2]int{
+	{25, 0}, {33, 0}, {41, 0}, {46, 1}, {50, 2}, {53, 3}, {57, 4}, {59, 6}, {59, 7},
+	{60, 9}, {61, 11}, {60, 13}, {58, 15}, {58, 16}, {56, 18}, {54, 19}, {50, 20},
+	{46, 21}, {41, 22}, {33, 22}, {25, 22}, {20, 21}, {17, 20}, {13, 19}, {9, 18},
+	{7, 17}, {5, 16}, {4, 14}, {3, 12}, {3, 10}, {4, 8}, {7, 6}, {9, 5}, {12, 4},
+	{14, 3}, {17, 2}, {21, 1},
+}
+
+func rouletteWheelSlotsFor(double bool) [][2]int {
+	slots := append([][2]int(nil), rouletteWheelSlots...)
+	if !double {
+		return slots
+	}
+	insert := 20 // between {33,22} and {25,22}
+	slots = append(slots, [2]int{})
+	copy(slots[insert+1:], slots[insert:])
+	slots[insert] = [2]int{29, 22}
+	return slots
+}
+
+// roulettePocketToken renders one three-column pocket. With color it is just
+// the number; without color a trailing letter keeps red/black/green distinct.
+func roulettePocketToken(value, label, mode string) string {
+	if mode == "none" || mode == "" {
+		switch len(value) {
+		case 1:
+			return value + label[:1] + " "
+		case 2:
+			return value + label[:1]
+		default:
+			return value
+		}
+	}
+	return rouletteCenter(value, 3)
+}
+
+type rouletteCell struct {
+	r  rune
+	bg int
+}
+
+// renderRouletteWheel draws a large circular wheel. The pocket count carries
+// the real zero count (one green for single zero, two for American), and the
+// hub shows the ball during the spin.
+func renderRouletteWheel(wheel []string, mode string, unicode bool) string {
+	double := false
+	for _, p := range wheel {
+		if p == "00" {
+			double = true
+		}
+	}
+	slots := rouletteWheelSlotsFor(double)
+	if len(wheel) != len(slots) {
+		slots = rouletteWheelSlots
+		if len(wheel) > len(slots) {
+			wheel = wheel[:len(slots)]
+		}
+	}
+	const width, height = 68, 23
+	grid := make([][]rouletteCell, height)
+	for y := range grid {
+		grid[y] = make([]rouletteCell, width)
+		for x := range grid[y] {
+			grid[y][x] = rouletteCell{' ', -1}
+		}
+	}
+	place := func(x, y int, s string, bg int) {
+		for k, r := range []rune(s) {
+			px := x + k
+			if px >= 0 && px < width && y >= 0 && y < height {
+				grid[y][px] = rouletteCell{r, bg}
+			}
+		}
+	}
+	for i, value := range wheel {
+		if i >= len(slots) {
+			break
+		}
+		bg, label := roulettePocketColor(value)
+		place(slots[i][0]-1, slots[i][1], roulettePocketToken(value, label, mode), bg)
+	}
+	hub := []string{"\\   |   /", " \\  |  / ", "--( o )--", " /  |  \\ ", "/   |   \\"}
+	if unicode {
+		hub = []string{"╲   │   ╱", " ╲  │  ╱ ", "──( ● )──", " ╱  │  ╲ ", "╱   │   ╲"}
+	}
+	for k, text := range hub {
+		place(29, 9+k, text, -1)
+	}
+	lines := make([]string, 0, height)
+	for _, row := range grid {
+		lines = append(lines, renderRouletteRow(row, mode))
+	}
+	return strings.Join(lines, "\n")
+}
+
+func renderRouletteRow(row []rouletteCell, mode string) string {
+	last := len(row)
+	for last > 0 && row[last-1].r == ' ' {
+		last--
+	}
+	if last == 0 {
+		return ""
+	}
+	var sb strings.Builder
+	for i := 0; i < last; {
+		bg := row[i].bg
+		j := i
+		var seg []rune
+		for j < last && row[j].bg == bg {
+			seg = append(seg, row[j].r)
+			j++
+		}
+		text := string(seg)
+		if bg >= 0 && mode != "none" && mode != "" {
+			sb.WriteString(roulettePaint(mode, text, bg))
+		} else {
+			sb.WriteString(rouletteInk(mode, text))
+		}
+		i = j
+	}
+	return sb.String()
+}
+
+// renderRouletteResult draws the winning pocket and its two physical
+// neighbours at playing-card size. The ball marks the middle pocket; there is
+// no surrounding prose.
+func renderRouletteResult(pockets [3]string, mode string, unicode bool, size int) string {
+	size = cardRenderSize(unicode, size)
+	if size < 5 {
+		size = 5
+	}
+	width := size + 2
+	b := rouletteBorders(unicode)
+	ball := "o"
+	if unicode {
+		ball = "●"
+	}
+	var lines []string
+	for row := 0; row < size; row++ {
+		var cells []string
+		for i, pocket := range pockets {
+			bg, name := roulettePocketColor(pocket)
+			var text string
+			switch row {
+			case 0:
+				text = b.tl + strings.Repeat(b.h, width-2) + b.tr
+			case size - 1:
+				text = b.bl + strings.Repeat(b.h, width-2) + b.br
+			default:
+				content := ""
+				if row == 1 {
+					content = name
+				}
+				if row == size/2 {
+					content = pocket
+				}
+				if i == 1 && row == size/2+1 {
+					content = ball
+				}
+				text = b.v + rouletteCenter(content, width-2) + b.v
+			}
+			cells = append(cells, roulettePaint(mode, text, bg))
+		}
+		lines = append(lines, strings.Join(cells, " "))
+	}
+	return strings.Join(lines, "\n")
+}
+
+// rouletteReminder is the odds/cheat-sheet block, shown only by "table" (and
+// "table rules"), never with the ambient betting board.
+func (g *Game) rouletteReminder(sess *net.Session) string {
+	text := "Numbers 35:1 | Dozens / columns 2:1 | Other outside bets 1:1\n" +
+		"Low: 1-18 | High: 19-36 | Zero loses all outside bets\n" +
+		"bet 10 on 17  /  bet 10 on red  /  bet 10 on dozen2"
+	return g.colorize(sess, "casino_action", text)
+}
+
+func (g *Game) renderCasinoRules(sess *net.Session, cfg casino.TableConfig) string {
+	rules := g.colorize(sess, "casino_action", cfg.RulesText())
+	if cfg.Game == casino.GameRoulette {
+		snap := &casino.RouletteSnapshot{DoubleZero: cfg.Roulette.DoubleZero, Phase: "betting", Wheel: casino.WheelOrder(cfg.Roulette.DoubleZero)}
+		rules += "\n" + g.renderCasinoSnapshot(sess, snap) + "\n" + g.rouletteReminder(sess)
+	}
+	return rules
+}
diff --git a/internal/game/render_roulette_test.go b/internal/game/render_roulette_test.go
new file mode 100644
index 0000000..1dde5ad
--- /dev/null
+++ b/internal/game/render_roulette_test.go
@@ -0,0 +1,217 @@
+package game
+
+import (
+	"fmt"
+	"regexp"
+	"strings"
+	"testing"
+
+	"thehouseoficarus/internal/casino"
+	"thehouseoficarus/internal/color"
+	"thehouseoficarus/internal/combat"
+	"thehouseoficarus/internal/net"
+	"thehouseoficarus/internal/player"
+	"thehouseoficarus/internal/world"
+)
+
+var rouletteSGR = regexp.MustCompile(`\x1b\[[0-9;]*m`)
+
+func plainRoulette(s string) string { return rouletteSGR.ReplaceAllString(s, "") }
+
+func TestRouletteArtModes(t *testing.T) {
+	for _, mode := range []string{"none", "ansi", "xterm256"} {
+		for _, unicode := range []bool{false, true} {
+			for _, double := range []bool{false, true} {
+				t.Run(fmt.Sprintf("%s/unicode=%v/double=%v", mode, unicode, double), func(t *testing.T) {
+					wheelOrder := casino.WheelOrder(double)
+					s := &casino.RouletteSnapshot{DoubleZero: double, Wheel: wheelOrder}
+					for _, phase := range []string{"betting", "playing", "result"} {
+						s.Phase = phase
+						s.Pockets = [3]string{"26", "0", "32"}
+						art := renderRouletteSnapshot(s, mode, unicode, 7)
+						plain := plainRoulette(art)
+						if mode == "xterm256" && unicode && double {
+							t.Logf("%s preview (colors stripped):\n%s", phase, plain)
+						}
+						if strings.Contains(plain, "\x1b") {
+							t.Fatal("malformed ANSI")
+						}
+						if mode == "none" && art != plain {
+							t.Fatal("color disabled but ANSI present")
+						}
+						for _, r := range plain {
+							if !unicode && r > 127 {
+								t.Fatalf("non-ASCII rune %q in ASCII mode", r)
+							}
+						}
+						for _, line := range strings.Split(art, "\n") {
+							if color.VisibleLen(line) > 78 {
+								t.Fatalf("line exceeds terminal width: %q", plainRoulette(line))
+							}
+						}
+						if mode != "none" {
+							for _, bg := range []int{0, 1, 2} {
+								if !strings.Contains(art, color.BgCode(mode, bg)) {
+									t.Fatalf("missing pocket background %d", bg)
+								}
+							}
+							if !strings.Contains(art, color.FgCode(mode, 15)) || !strings.Contains(art, color.StyleCode("bold")) {
+								t.Fatal("missing bold white text")
+							}
+							if !strings.HasSuffix(art, color.Reset) {
+								t.Fatal("art leaves terminal colored")
+							}
+						}
+					}
+
+					layoutArt := renderRouletteLayout(double, mode, unicode)
+					layout := plainRoulette(layoutArt)
+					rows := strings.Split(layout, "\n")
+					if double {
+						if !strings.Contains(string([]rune(rows[2])[:7]), "0") || !strings.Contains(string([]rune(rows[6])[:7]), "00") {
+							t.Fatal("double zero not left of grid", layout)
+						}
+					} else if !strings.Contains(string([]rune(rows[4])[:7]), "0") {
+						t.Fatal("zero not left of grid", layout)
+					}
+					for _, target := range []string{"column1", "column2", "column3", "dozen1", "dozen2", "dozen3", "red", "black", "odd", "even", "low", "high"} {
+						if !strings.Contains(layout, target) {
+							t.Fatal("missing bet", target)
+						}
+					}
+					// The odds reminder belongs to "table", never the board.
+					for _, reminder := range []string{"Numbers 35:1", "Low: 1-18", "bet 10 on"} {
+						if strings.Contains(layout, reminder) {
+							t.Fatal("reminder text leaked onto the betting board")
+						}
+					}
+					if mode != "none" {
+						wantGreen := 1
+						if double {
+							wantGreen = 2
+						}
+						if got := strings.Count(layoutArt, color.BgCode(mode, 2)); got != wantGreen {
+							t.Fatalf("green cells on board = %d, want %d", got, wantGreen)
+						}
+					}
+
+					wheelArt := renderRouletteWheel(wheelOrder, mode, unicode)
+					plainWheel := plainRoulette(wheelArt)
+					lines := strings.Split(plainWheel, "\n")
+					if len(lines) != 23 {
+						t.Fatalf("wheel height = %d, want 23", len(lines))
+					}
+					wantDoubleZeroLabel := 0
+					if double {
+						wantDoubleZeroLabel = 1
+					}
+					if got := strings.Count(plainWheel, "00"); got != wantDoubleZeroLabel {
+						t.Fatalf("double-zero labels = %d, want %d", got, wantDoubleZeroLabel)
+					}
+					if mode != "none" {
+						wantGreen := 1
+						if double {
+							wantGreen = 2
+						}
+						greens := strings.Count(wheelArt, color.BgCode(mode, 2))
+						if greens != wantGreen {
+							t.Fatalf("green pockets = %d, want %d", greens, wantGreen)
+						}
+						total := greens + strings.Count(wheelArt, color.BgCode(mode, 0)) + strings.Count(wheelArt, color.BgCode(mode, 1))
+						if total != len(wheelOrder) {
+							t.Fatalf("drawn pockets = %d, want %d", total, len(wheelOrder))
+						}
+					}
+
+					result := plainRoulette(renderRouletteResult([3]string{"1", "00", "27"}, mode, unicode, 7))
+					for _, banned := range []string{"PREV", "BALL", "NEXT", "WINNER"} {
+						if strings.Contains(result, banned) {
+							t.Fatalf("result prose %q should be removed:\n%s", banned, result)
+						}
+					}
+				})
+			}
+		}
+	}
+}
+
+func TestRouletteResultSizesAndNeighbors(t *testing.T) {
+	for _, unicode := range []bool{false, true} {
+		for _, size := range []int{1, 5, 7, 9} {
+			art := plainRoulette(renderRouletteResult([3]string{"1", "00", "27"}, "xterm256", unicode, size))
+			lines := strings.Split(art, "\n")
+			height := max(5, cardRenderSize(unicode, size))
+			width := height + 2
+			if len(lines) != height {
+				t.Fatalf("size=%d, height=%d want %d", size, len(lines), height)
+			}
+			for _, line := range lines {
+				if color.VisibleLen(line) != 3*width+2 {
+					t.Fatalf("unequal pocket widths: %q", line)
+				}
+			}
+			center := []rune(lines[height/2])
+			if !strings.Contains(string(center[:width]), "1") || !strings.Contains(string(center[width+1:2*width+1]), "00") || !strings.Contains(string(center[2*width+2:]), "27") {
+				t.Fatal("wrong pocket order", art)
+			}
+			ball := "o"
+			if unicode {
+				ball = "●"
+			}
+			if strings.Count(art, ball) != 1 {
+				t.Fatal("missing or duplicate ball", art)
+			}
+		}
+	}
+}
+
+func TestRouletteEventColorsDoNotWrapArt(t *testing.T) {
+	for _, public := range []bool{false, true} {
+		for _, mode := range []string{"none", "ansi", "xterm256"} {
+			g := &Game{Casino: casino.NewManager(1), Hub: net.NewHub()}
+			p := player.New("alice")
+			p.RoomID = 1
+			p.Options = map[string]any{"color": mode, "unicode": true}
+			conn := &casinoTestConn{}
+			sess := &net.Session{Player: p, Conn: conn}
+			g.loggedInChars = map[string]*net.Session{"alice": sess}
+			g.Hub.EnterRoom(sess, 1)
+			// Use an emphatic blue background to detect whole-message color wrapping.
+			sess.Account = &player.Account{Colors: map[string]string{"casino_action": "0F bg:04 bold"}}
+			g.Casino.Join(1, casino.TableConfig{ID: "r", Game: casino.GameRoulette}, p.Name)
+			e := casino.Event{RoomID: 1, TableID: "r", Message: "Spinning now", Color: "casino_action", Public: public, Snapshot: &casino.RouletteSnapshot{Phase: "playing", Players: []string{p.Name}}}
+			if !public {
+				e.PrivateTo = p.Name
+			}
+			g.emitCasinoEvents([]casino.Event{e})
+			output := strings.ReplaceAll(string(conn.data), "\r\n", "\n")
+			expected := g.colorize(sess, "casino_action", e.Message) + "\n" + g.renderCasinoSnapshot(sess, e.Snapshot) + "\n"
+			if output != expected {
+				t.Fatalf("public=%v mode=%s: prose color leaked into art or snapshot missing\n%q\nwant\n%q", public, mode, output, expected)
+			}
+		}
+	}
+}
+
+func TestRouletteSettlementShowsBalanceOnce(t *testing.T) {
+	for _, action := range []string{"", "sitout", "leave_after"} {
+		g := &Game{Casino: casino.NewManager(7), Combat: combat.NewTracker(), Deps: Deps{World: world.New(t.TempDir())}}
+		p := player.New("alice")
+		p.Credits = 1000
+		p.Options = map[string]any{"color": "none"}
+		conn := &casinoTestConn{}
+		sess := &net.Session{Player: p, Conn: conn}
+		g.loggedInChars = map[string]*net.Session{"alice": sess}
+		cfg := casino.TableConfig{ID: "r", Game: casino.GameRoulette, BettingTicks: 1, Roulette: casino.RouletteConfig{SpinTicks: 1}}
+		g.Casino.Join(1, cfg, p.Name)
+		g.Casino.Bet(1, "r", p.Name, "dozen2", 10, casinoWallet{g: g, p: p, saveCharacter: func(*player.Player) error { return nil }})
+		if action != "" {
+			g.Casino.Action(1, "r", p.Name, action)
+		}
+		g.Casino.Tick()
+		g.emitCasinoEvents(g.Casino.Tick())
+		if got := strings.Count(string(conn.data), "Available "); got != 1 {
+			t.Fatalf("action=%q: balance printed %d times\n%s", action, got, conn.data)
+		}
+	}
+}
diff --git a/internal/game/roulette_test.go b/internal/game/roulette_test.go
index 0487b0b..9537710 100644
--- a/internal/game/roulette_test.go
+++ b/internal/game/roulette_test.go
@@ -34,7 +34,7 @@ func TestRouletteNumericTargetsAndRendering(t *testing.T) {
 			t.Fatal("wrong rules", string(conn.data))
 		}
 		snapshot := &casino.RouletteSnapshot{DoubleZero: double, Phase: "playing", Players: []string{"alice"}}
-		if got := g.renderCasinoSnapshot(sess, snapshot); got != snapshot.ASCII() {
+		if got := g.renderCasinoSnapshot(sess, snapshot); got != renderRouletteSnapshot(snapshot, g.colorMode(sess), sess.Player.OptionBool("unicode"), sess.Player.OptionInt("card_size")) {
 			t.Fatal("snapshot not rendered", got)
 		}
 		if !g.seesCasinoDetails(sess, casino.Event{RoomID: 1, TableID: "roulette", Snapshot: snapshot}) {