diff --git a/avatar.go b/avatar.go
index fdc2848..80c0082 100644
--- a/avatar.go
+++ b/avatar.go
@@ -10,14 +10,13 @@ import (
 
 // AvatarOptions configure an Avatar.
 type AvatarOptions struct {
-	// Image is the picture; nil falls back to initials, then a person icon.
+	// Image is the picture; nil falls back to initials, icon.
 	Image *ui.Bitmap
 	// Size is the diameter in DIPs; zero means 32.
 	Size float32
 }
 
-// Avatar shows a person as a round picture, their initials or an icon.
-// Assistive technology reads it as an image named name.
+// Avatar shows a person as picture, initials or icon.
 func Avatar(c *ui.Context, name string, opts AvatarOptions) *ui.Element {
 	size := opts.Size
 	if size < 0 {
@@ -49,7 +48,7 @@ func Avatar(c *ui.Context, name string, opts AvatarOptions) *ui.Element {
 	return e
 }
 
-// avatarInitials returns the first letters of the first and last words.
+// avatarInitials returns first letters of first and last words.
 func avatarInitials(name string) string {
 	var first, last rune
 	inWord := false
diff --git a/avatar_group.go b/avatar_group.go
index 0a755f0..f23054e 100644
--- a/avatar_group.go
+++ b/avatar_group.go
@@ -18,7 +18,7 @@ type AvatarItem struct {
 
 // AvatarGroupOptions configure an AvatarGroup.
 type AvatarGroupOptions struct {
-	// Max is how many avatars show before the "+N" button; zero means 4.
+	// Max avatars show before the "+N" button; zero means 4.
 	Max int
 	// Size is each avatar's diameter; zero means 32.
 	Size float32
@@ -35,8 +35,7 @@ type AvatarGroupView struct {
 	Toggled bool
 }
 
-// AvatarGroup shows overlapping avatars. Past Max, a "+N" button opens a
-// popover with the full list of names.
+// AvatarGroup overlaps avatars; "+N" opens the full list.
 func AvatarGroup(c *ui.Context, items []AvatarItem, opts AvatarGroupOptions) AvatarGroupView {
 	limit := opts.Max
 	if limit < 0 {
@@ -71,10 +70,7 @@ func AvatarGroup(c *ui.Context, items []AvatarItem, opts AvatarGroupOptions) Ava
 			*open = false
 			return
 		}
-		more := avatarGroupMore(c, k, size, ring, rest, len(items))
-		if more.Clicked() {
-			*open = !*open
-		}
+		more := avatarGroupMore(c, k, open, size, ring, rest, len(items))
 		ui.PopoverBase(c, more, open, func(panel *ui.Element) {
 			avatarGroupList(c, k, panel, items)
 		})
@@ -86,23 +82,29 @@ func AvatarGroup(c *ui.Context, items []AvatarItem, opts AvatarGroupOptions) Ava
 	return v
 }
 
-func avatarGroupMore(c *ui.Context, k theme.Tokens, size, ring float32, rest, total int) *ui.Element {
-	cell := ui.Box(c).Key("more").Padding(ring).Radius(size/2+ring).Background(k.Background).
-		Margin(0, 0, 0, -size/4).Shrink(0)
+// avatarGroupMore is the "+N" disclosure toggling *open.
+func avatarGroupMore(c *ui.Context, k theme.Tokens, open *bool, size, ring float32, rest, total int) *ui.Element {
+	hit := max(size+2*ring, theme.MinHitSize)
 	var b *ui.Element
-	cell.Children(func() {
-		b = ui.ButtonBase(c).Size(size, size).Radius(size / 2).Label(fmt.Sprintf(msg(c, "avatar_group.more"), total))
+	ui.Box(c).Key("more").Margin(0, 0, 0, -size/4).Shrink(0).Children(func() {
+		b = ui.CollapsibleBase(c, open).Trigger.Size(hit, hit).Center().Radius(hit / 2).
+			Label(fmt.Sprintf(msg(c, "avatar_group.more"), total))
+		internal.Ring(b, k.Focus, hit/2)
 		bg := k.Surface
 		if b.Pressed() {
 			bg = k.Selection
 		} else if b.Hovered() {
 			bg = k.SurfaceHover
 		}
-		b.Background(bg).Border(theme.BorderWidth, k.ControlBorder).TextColor(k.Text)
-		internal.Ring(b, k.Focus, size/2)
-		internal.Fade(b, Motion(c, theme.StateDuration))
 		b.Children(func() {
-			ui.Text(c, fmt.Sprintf("+%d", rest)).FontSize(size * 0.36).FontWeight(600).SingleLine()
+			ui.Box(c).Padding(ring).Radius(size/2 + ring).Background(k.Background).Children(func() {
+				disc := ui.Box(c).Size(size, size).Center().Radius(size/2).Background(bg).
+					Border(theme.BorderWidth, k.ControlBorder).TextColor(k.Text)
+				internal.Fade(disc, Motion(c, theme.StateDuration))
+				disc.Children(func() {
+					ui.Text(c, fmt.Sprintf("+%d", rest)).FontSize(size * 0.36).FontWeight(600).SingleLine()
+				})
+			})
 		})
 	})
 	return b
diff --git a/avatar_group_test.go b/avatar_group_test.go
index 229add8..d6e7dc0 100644
--- a/avatar_group_test.go
+++ b/avatar_group_test.go
@@ -88,3 +88,17 @@ func TestAvatarGroupSnapshot(t *testing.T) {
 		})
 	})
 }
+
+func TestAvatarGroupSmallButtonHitArea(t *testing.T) {
+	tt := ui.NewTester(func(c *ui.Context) {
+		Use(c, Settings{})
+		ui.Row(c).AlignItems(ui.Start).Children(func() {
+			AvatarGroup(c, avatarGroupPeople, AvatarGroupOptions{Max: 2, Size: 20})
+		})
+	}, 400, 300)
+	tt.Frame()
+	r, ok := tt.Find("Show all 6 people")
+	if !ok || r.W < 28 || r.H < 28 {
+		t.Fatalf("hit area %v", r)
+	}
+}
diff --git a/badge.go b/badge.go
index 8697378..fea4b2a 100644
--- a/badge.go
+++ b/badge.go
@@ -21,7 +21,7 @@ const (
 	BadgeInfo
 )
 
-// BadgePosition places a badge. The zero value lays it out inline.
+// BadgePosition places a badge; zero is inline.
 type BadgePosition int
 
 const (
@@ -36,18 +36,17 @@ const (
 type BadgeOptions struct {
 	// Text shows as is; when empty, Count shows instead.
 	Text string
-	// Count must not be negative; zero with no Text hides the badge.
+	// Count must not be negative; zero without Text hides it.
 	Count int
 	// Max caps the shown count as "Max+"; zero means 99.
 	Max      int
 	Tone     BadgeTone
 	Position BadgePosition
-	// Label says what the badge counts; it is read before the full value.
+	// Label says what is counted; read before the full value.
 	Label string
 }
 
-// Badge shows a short text or count. Inline badges take no content; corner
-// positions pin the badge on content's corner.
+// Badge shows text or a count, inline or cornered.
 func Badge(c *ui.Context, opts BadgeOptions, content func()) *ui.Element {
 	if opts.Count < 0 || opts.Max < 0 {
 		panic("mujica: Badge Count and Max must not be negative")
@@ -99,13 +98,13 @@ func badgePill(c *ui.Context, opts BadgeOptions, shown, full string) *ui.Element
 	if opts.Label != "" {
 		label = opts.Label + " " + full
 	}
-	p := ui.Box(c).Row().Center().MinWidth(18).Height(18).Padding(0, 5).Radius(theme.CardRadius).
+	p := ui.Box(c).Row().Center().MinWidth(FontSize(c, 18)).MinHeight(FontSize(c, 18)).Padding(0, 5).Radius(theme.CardRadius).
 		Background(bg).Shrink(0).Role(ui.RoleStatus).Label(label)
 	if border.A > 0 {
 		p.Border(theme.BorderWidth, border)
 	}
 	p.Children(func() {
-		ui.Text(c, shown).FontSize(theme.CaptionSize - 1).FontWeight(600).TextColor(fg).
+		ui.Text(c, shown).FontSize(FontSize(c, theme.CaptionSize-1)).FontWeight(600).TextColor(fg).
 			FontFeatures("tnum").SingleLine()
 	})
 	return p
diff --git a/badge_test.go b/badge_test.go
index 399de54..fc9029d 100644
--- a/badge_test.go
+++ b/badge_test.go
@@ -112,3 +112,20 @@ func TestBadgeSnapshot(t *testing.T) {
 		})
 	})
 }
+
+func TestBadgeTextScale(t *testing.T) {
+	var w [2]float32
+	for i, s := range []float32{1, 2} {
+		tt := ui.NewTester(func(c *ui.Context) {
+			Use(c, Settings{})
+			ui.Row(c).AlignItems(ui.Start).Children(func() {
+				w[i] = Badge(c, BadgeOptions{Text: "Draft"}, nil).Bounds().W
+			})
+		}, 400, 200)
+		tt.SetPreferences(ui.Preferences{TextScale: s})
+		tt.Frame()
+	}
+	if w[1] < w[0]*1.5 {
+		t.Fatalf("width %v at 2x, %v at 1x", w[1], w[0])
+	}
+}
diff --git a/docs/components/011-text.md b/docs/components/011-text.md
index 8bb00a7..7c249c2 100644
--- a/docs/components/011-text.md
+++ b/docs/components/011-text.md
@@ -13,7 +13,7 @@ view := func(c *ui.Context) {
 	mujica.Use(c, mujica.Settings{})
 	mujica.Text(c, "Order ID: 4821-AX", mujica.TextOptions{Selectable: true})
 	mujica.Text(c, "A long note that stops after two lines.", mujica.TextOptions{MaxLines: 2})
-	if mujica.EditableText(c, &name, mujica.EditableTextOptions{Error: saveErr}).Changed() {
+	if mujica.EditableText(c, &name, mujica.EditableTextOptions{Error: saveErr}).Changed {
 		saveErr = "" // save name here; set saveErr on failure
 	}
 }
@@ -28,33 +28,35 @@ view := func(c *ui.Context) {
 | `MaxLines` | `int` | `0` | 超过该行数时以省略号截断；`0` 不截断；`1` 为单行。负数 panic。 |
 | `Selectable` | `bool` | `false` | 允许用指针或键盘选择并复制文本。 |
 
-`func EditableText(c *ui.Context, value *string, opts EditableTextOptions) *ui.Element`
+`func EditableText(c *ui.Context, value *string, opts EditableTextOptions) EditableTextView`
 
 | 字段 | 类型 | 默认值 | 含义 |
 | --- | --- | --- | --- |
 | `Saving` | `bool` | `false` | 调用方正在保存：显示加载标记，并禁止再次编辑。 |
 | `Error` | `string` | `""` | 调用方保存失败的说明，显示在文本下方并报告给辅助技术。 |
-| `Label` | `string` | `""` | 辅助技术读出的名称。 |
+| `Label` | `string` | `""` | 辅助技术读出的名称；同时用在显示状态和编辑输入框上。 |
+
+返回值 `EditableTextView`：`Element`；`Changed` 表示本帧确认了新值；`Canceled` 表示本帧按 Escape 放弃了编辑。
 
 ## 状态
 
 - 默认：可编辑文本带虚线下边，提示可以编辑。
 - 悬停：背景变为 `SurfaceHover`，尺寸不变。
-- 聚焦：2 DIP 焦点环。
-- 编辑中：显示 MyGo 文本输入框，酒红边框，选中扩展名之前的部分。
+- 聚焦：2 DIP 焦点环（可编辑文本与 `Selectable` 文本）。
+- 编辑中：显示文本输入框，酒红边框；名称与错误说明附在输入框上。
 - 保存中（`Saving`）：显示加载标记，阻止进入编辑。
 - 错误（`Error`）：虚线变为 `Danger`，下方显示错误说明，保留已确认的值。
 
 ## 事件
 
-- `EditableText(...).Changed()`：用户确认了一个新值，`*value` 已更新。调用方在此保存，并通过 `Saving` 与 `Error` 回传结果。
-- 取消编辑不产生事件，`*value` 不变。
+- `EditableTextView.Changed`：用户确认了新值，`*value` 已更新。调用方在此保存，并通过 `Saving` 与 `Error` 回传结果。
+- `EditableTextView.Canceled`：用户按 Escape 放弃编辑，`*value` 不变。
 
 ## 键盘操作
 
 | 按键 | 作用 |
 | --- | --- |
-| Tab | 聚焦可编辑文本 |
+| Tab | 聚焦可编辑文本；`Selectable` 文本也在 Tab 顺序中 |
 | Enter / 双击 | 开始编辑 |
 | Enter | 确认 |
 | Escape | 取消并恢复原值 |
@@ -63,7 +65,7 @@ view := func(c *ui.Context) {
 
 ## 限制
 
-- 编辑模式基于 `ui.EditableText`。MyGo 不报告“取消”事件，组件只能保证取消后值不变，不能通知调用方。
+- 编辑模式基于 `ui.TextInputBase` 构建，而不是 `ui.EditableText`，因为后者内部的输入框无法通过公开接口设置名称和错误说明。代价是开始编辑时不会像 Finder 那样自动选中扩展名之前的部分，光标停在文本末尾（可用 Cmd/Ctrl+A 全选）。
 - 编辑模式只支持单行文本。
 - 值为空字符串时文本区域没有可见文字；组件保留最小宽度和虚线，保证仍可点击。
 - MyGo 无法检测文本是否真的被截断，所以截断时不会自动显示完整内容的提示。
diff --git a/docs/components/014-image.md b/docs/components/014-image.md
index b19325b..b7db4fb 100644
--- a/docs/components/014-image.md
+++ b/docs/components/014-image.md
@@ -29,7 +29,7 @@ view := func(c *ui.Context) {
 
 | 字段 | 类型 | 默认值 | 含义 |
 | --- | --- | --- | --- |
-| `Width`, `Height` | `float32` | `0` | 盒子尺寸（DIP）。为 0 时图片使用自身尺寸；占位、加载、错误状态为 160×120。负数 panic。 |
+| `Width`, `Height` | `float32` | `0` | 盒子尺寸（DIP）。为 0 时使用 `src` 的尺寸（只给一边时按比例补齐），在占位、加载、错误状态下也保持这个尺寸；`src` 为 nil 时为 160×120。负数 panic。 |
 | `Crop` | `bool` | `false` | `true` 覆盖并裁切（`ui.Cover`）；`false` 完整放入（`ui.Contain`）。 |
 | `Alt` | `string` | `""` | 替代说明，供辅助技术读取；在其他状态下作为描述。 |
 | `Loading` | `bool` | `false` | 调用方正在加载。 |
diff --git a/docs/components/015-avatar.md b/docs/components/015-avatar.md
index fedac25..8fca682 100644
--- a/docs/components/015-avatar.md
+++ b/docs/components/015-avatar.md
@@ -43,5 +43,7 @@ view := func(c *ui.Context) {
 
 ## 限制
 
+- 首字母字号随头像直径而定，不随系统文本缩放放大，以免溢出圆形。
+
 - 中文姓名没有空格时按一个词处理，只取第一个字，例如“张伟”显示为“张”。
 - 头像不使用 MyGo `ui.Avatar`，因为它的尺寸固定为字号的 2.25 倍，无法配置（`ui/indicators.go:383`）。
diff --git a/docs/components/016-avatar-group.md b/docs/components/016-avatar-group.md
index 4924c2f..f024548 100644
--- a/docs/components/016-avatar-group.md
+++ b/docs/components/016-avatar-group.md
@@ -33,7 +33,7 @@ view := func(c *ui.Context) {
 ## 状态
 
 - 默认：头像之间重叠四分之一直径，用 2 DIP 窗口背景色描边分隔。
-- “+N”按钮：悬停、按下改变背景；聚焦时显示 2 DIP 焦点环。
+- “+N”按钮：基于 `ui.CollapsibleBase` 的 Trigger，辅助技术读作展开/收起按钮，并报告是否已展开。命中区域至少 28×28 DIP（`Size` 很小时也如此）。悬停、按下改变背景；聚焦时显示 2 DIP 焦点环。
 - 展开：按钮下方弹出 6 DIP 圆角面板，列出全部头像与姓名，超过 240 DIP 时滚动；遵循减少动画设置。
 
 ## 事件
diff --git a/docs/components/017-badge.md b/docs/components/017-badge.md
index ebba68b..6a1bebd 100644
--- a/docs/components/017-badge.md
+++ b/docs/components/017-badge.md
@@ -34,7 +34,7 @@ view := func(c *ui.Context) {
 
 ## 状态
 
-纯展示。强调和危险色调使用实色填充（`OnAccent` 配 `Accent`，`OnDanger` 配 `DangerFill`）；成功、警告、信息色调只把语义色用在文字和边框上。
+纯展示。字号与最小尺寸随系统文本缩放放大。强调和危险色调使用实色填充（`OnAccent` 配 `Accent`，`OnDanger` 配 `DangerFill`）；成功、警告、信息色调只把语义色用在文字和边框上。
 
 ## 事件
 
diff --git a/docs/components/018-tag.md b/docs/components/018-tag.md
index f551e6c..e780a67 100644
--- a/docs/components/018-tag.md
+++ b/docs/components/018-tag.md
@@ -12,8 +12,10 @@ view := func(c *ui.Context) {
 	mujica.Use(c, mujica.Settings{})
 	ui.Row(c).Gap(8).Children(func() {
 		for i, t := range tags {
-			v := mujica.Tag(c, t, mujica.TagOptions{Icon: "star", Clickable: true, Closable: true})
-			v.Element.Key(t)
+			var v mujica.TagView
+			ui.Box(c).Key(t).Children(func() {
+				v = mujica.Tag(c, t, mujica.TagOptions{Icon: "star", Clickable: true, Closable: true})
+			})
 			if v.Closed {
 				tags = append(tags[:i:i], tags[i+1:]...)
 			}
@@ -42,7 +44,8 @@ view := func(c *ui.Context) {
 - 默认：`Surface` 底色、细边框、2 DIP 圆角。
 - 悬停 / 按下：可点击部分和关闭按钮分别变为 `SurfaceHover` / `Selection`。
 - 聚焦：对应部分显示 2 DIP 焦点环。
-- 禁用：由 MyGo 统一调暗，不响应输入。
+- 禁用：由 MyGo 统一调暗，不响应输入；祖先元素禁用时同样不响应，包括 Delete/Backspace。
+- 文字随系统文本缩放放大。
 
 ## 事件
 
@@ -59,5 +62,7 @@ view := func(c *ui.Context) {
 
 ## 限制
 
+- 在循环中渲染多个标签时，把稳定的 Key 放在包住 Tag 的外层容器上（见示例）。Tag 在创建时就处理输入，事后再设置 Key 无法保持身份。
+
 - 不可点击的标签不获取焦点，只能通过关闭按钮操作。
 - 标签不提供“选中”状态；需要可选标签时请使用 Toggle 类组件。
diff --git a/docs/components/020-kbd.md b/docs/components/020-kbd.md
index cda7863..76d278e 100644
--- a/docs/components/020-kbd.md
+++ b/docs/components/020-kbd.md
@@ -39,7 +39,7 @@ view := func(c *ui.Context) {
 
 ## 状态
 
-纯展示。键帽使用等宽字体、`Surface` 底色、`ControlBorder` 边框，底边 2 DIP。
+纯展示。键帽随系统文本缩放放大，使用等宽字体、`Surface` 底色、`ControlBorder` 边框，底边 2 DIP。
 
 ## 事件
 
diff --git a/example_display_test.go b/example_display_test.go
index a3e05f4..0bce4e1 100644
--- a/example_display_test.go
+++ b/example_display_test.go
@@ -15,7 +15,7 @@ func ExampleText() {
 		mujica.Use(c, mujica.Settings{})
 		mujica.Text(c, "Order ID: 4821-AX", mujica.TextOptions{Selectable: true})
 		mujica.Text(c, "A long note that stops after two lines.", mujica.TextOptions{MaxLines: 2})
-		if mujica.EditableText(c, &name, mujica.EditableTextOptions{Error: saveErr}).Changed() {
+		if mujica.EditableText(c, &name, mujica.EditableTextOptions{Error: saveErr}).Changed {
 			saveErr = "" // save name here; set saveErr on failure
 		}
 	}
@@ -99,8 +99,10 @@ func ExampleTag() {
 		mujica.Use(c, mujica.Settings{})
 		ui.Row(c).Gap(8).Children(func() {
 			for i, t := range tags {
-				v := mujica.Tag(c, t, mujica.TagOptions{Icon: "star", Clickable: true, Closable: true})
-				v.Element.Key(t)
+				var v mujica.TagView
+				ui.Box(c).Key(t).Children(func() {
+					v = mujica.Tag(c, t, mujica.TagOptions{Icon: "star", Clickable: true, Closable: true})
+				})
 				if v.Closed {
 					tags = append(tags[:i:i], tags[i+1:]...)
 				}
diff --git a/examples/gallery/pages_display.go b/examples/gallery/pages_display.go
index b151ddb..596ce4b 100644
--- a/examples/gallery/pages_display.go
+++ b/examples/gallery/pages_display.go
@@ -48,10 +48,10 @@ func textDemo(c *ui.Context, log func(string)) {
 	displaySection(c, "Parameters", func() {
 		displayControls(c, func() {
 			ui.Text(c, fmt.Sprintf("MaxLines %d", int(s.maxLines)))
-			ui.StepSlider(c, &s.maxLines, 0, 4, 1).Width(160)
-			ui.Checkbox(c, &s.selectable, "Selectable")
-			ui.Checkbox(c, &s.saving, "Saving")
-			ui.Checkbox(c, &s.failNext, "Next save fails")
+			displayLog(log, ui.StepSlider(c, &s.maxLines, 0, 4, 1).Width(160), "maxLines", &s.maxLines)
+			displayLog(log, ui.Checkbox(c, &s.selectable, "Selectable"), "selectable", &s.selectable)
+			displayLog(log, ui.Checkbox(c, &s.saving, "Saving"), "saving", &s.saving)
+			displayLog(log, ui.Checkbox(c, &s.failNext, "Next save fails"), "failNext", &s.failNext)
 		})
 	})
 	displaySection(c, "Display", func() {
@@ -62,7 +62,7 @@ func textDemo(c *ui.Context, log func(string)) {
 	})
 	displaySection(c, "Editable", func() {
 		e := mujica.EditableText(c, &s.name, mujica.EditableTextOptions{Saving: s.saving, Error: s.saveErr, Label: "File name"})
-		if e.Changed() {
+		if e.Changed {
 			if s.failNext {
 				s.saveErr = "Save failed: the name is already taken."
 				log("save failed: " + s.name)
@@ -71,13 +71,16 @@ func textDemo(c *ui.Context, log func(string)) {
 				log("saved: " + s.name)
 			}
 		}
+		if e.Canceled {
+			log("edit canceled")
+		}
 	})
 	displayCode(c, textCode, log)
 }
 
 const textCode = `mujica.Text(c, "Order ID: 4821-AX", mujica.TextOptions{Selectable: true})
 mujica.Text(c, "A long note that stops after two lines.", mujica.TextOptions{MaxLines: 2})
-if mujica.EditableText(c, &name, mujica.EditableTextOptions{Error: saveErr}).Changed() {
+if mujica.EditableText(c, &name, mujica.EditableTextOptions{Error: saveErr}).Changed {
 	saveErr = "" // save name here; set saveErr on failure
 }`
 
@@ -95,8 +98,8 @@ func headingDemo(c *ui.Context, log func(string)) {
 			if ui.StepSlider(c, &s.level, 1, 3, 1).Width(120).Changed() {
 				log(fmt.Sprintf("level %d", int(s.level)))
 			}
-			ui.Checkbox(c, &s.subtitle, "Subtitle")
-			ui.Checkbox(c, &s.divide, "Divider")
+			displayLog(log, ui.Checkbox(c, &s.subtitle, "Subtitle"), "subtitle", &s.subtitle)
+			displayLog(log, ui.Checkbox(c, &s.divide, "Divider"), "divide", &s.divide)
 		})
 	})
 	displaySection(c, "Preview", func() {
@@ -141,7 +144,7 @@ func iconDemo(c *ui.Context, log func(string)) {
 			if ui.Select(c, &s.tone, []string{"Inherit", "Muted", "Accent", "Success", "Warning", "Danger", "Info"}).Changed() {
 				log("tone " + s.tone)
 			}
-			ui.Checkbox(c, &s.label, "Label")
+			displayLog(log, ui.Checkbox(c, &s.label, "Label"), "label", &s.label)
 		})
 	})
 	displaySection(c, "Preview", func() {
@@ -185,10 +188,11 @@ func imageDemo(c *ui.Context, log func(string)) {
 	mujica.Heading(c, "Image", mujica.HeadingOptions{Subtitle: "位图与 SVG；包含或裁切；占位、加载、错误；替代说明", Divider: true})
 	displaySection(c, "Parameters", func() {
 		displayControls(c, func() {
-			ui.Checkbox(c, &s.crop, "Crop")
-			ui.Checkbox(c, &s.empty, "No source")
-			ui.Checkbox(c, &s.loading, "Loading")
+			displayLog(log, ui.Checkbox(c, &s.crop, "Crop"), "crop", &s.crop)
+			displayLog(log, ui.Checkbox(c, &s.empty, "No source"), "empty", &s.empty)
+			displayLog(log, ui.Checkbox(c, &s.loading, "Loading"), "loading", &s.loading)
 			if ui.Checkbox(c, &s.fail, "Error").Changed() {
+				log(fmt.Sprintf("fail = %v", s.fail))
 				s.err = nil
 				if s.fail {
 					s.err = errors.New("connection reset")
@@ -251,8 +255,8 @@ func avatarDemo(c *ui.Context, log func(string)) {
 				log("name " + s.name)
 			}
 			ui.Text(c, fmt.Sprintf("Size %d", int(s.size)))
-			ui.StepSlider(c, &s.size, 24, 80, 4).Width(160)
-			ui.Checkbox(c, &s.img, "Image")
+			displayLog(log, ui.StepSlider(c, &s.size, 24, 80, 4).Width(160), "size", &s.size)
+			displayLog(log, ui.Checkbox(c, &s.img, "Image"), "img", &s.img)
 		})
 	})
 	displaySection(c, "Preview", func() {
@@ -332,10 +336,10 @@ func badgeDemo(c *ui.Context, log func(string)) {
 	displaySection(c, "Parameters", func() {
 		displayControls(c, func() {
 			ui.Text(c, fmt.Sprintf("Count %d", int(s.count)))
-			ui.StepSlider(c, &s.count, 0, 200, 1).Width(160)
+			displayLog(log, ui.StepSlider(c, &s.count, 0, 200, 1).Width(160), "count", &s.count)
 			ui.Text(c, fmt.Sprintf("Max %d", int(s.max)))
-			ui.StepSlider(c, &s.max, 9, 999, 10).Width(120)
-			ui.TextInput(c, &s.text).Placeholder("Text overrides count").Width(180)
+			displayLog(log, ui.StepSlider(c, &s.max, 9, 999, 10).Width(120), "max", &s.max)
+			displayLog(log, ui.TextInput(c, &s.text).Placeholder("Text overrides count").Width(180), "text", &s.text)
 			if ui.Select(c, &s.tone, []string{"Accent", "Neutral", "Success", "Warning", "Danger", "Info"}).Changed() {
 				log("tone " + s.tone)
 			}
@@ -377,10 +381,10 @@ func tagDemo(c *ui.Context, log func(string)) {
 	mujica.Heading(c, "Tag", mujica.HeadingOptions{Subtitle: "标签文字、图标；点击与关闭分离", Divider: true})
 	displaySection(c, "Parameters", func() {
 		displayControls(c, func() {
-			ui.Checkbox(c, &s.icon, "Icon")
-			ui.Checkbox(c, &s.clickable, "Clickable")
-			ui.Checkbox(c, &s.closable, "Closable")
-			ui.Checkbox(c, &s.dis, "Disabled")
+			displayLog(log, ui.Checkbox(c, &s.icon, "Icon"), "icon", &s.icon)
+			displayLog(log, ui.Checkbox(c, &s.clickable, "Clickable"), "clickable", &s.clickable)
+			displayLog(log, ui.Checkbox(c, &s.closable, "Closable"), "closable", &s.closable)
+			displayLog(log, ui.Checkbox(c, &s.dis, "Disabled"), "dis", &s.dis)
 			if mujica.Button(c, "Reset tags", mujica.ButtonOptions{Variant: mujica.Ghost}).Clicked() {
 				s.tags = []string{"Baroque", "Gothic", "Rococo", "Court"}
 				log("reset")
@@ -395,8 +399,10 @@ func tagDemo(c *ui.Context, log func(string)) {
 		ui.Row(c).Gap(8).Wrap().Children(func() {
 			for i := 0; i < len(s.tags); i++ {
 				t := s.tags[i]
-				v := mujica.Tag(c, t, mujica.TagOptions{Icon: icon, Clickable: s.clickable, Closable: s.closable, Disabled: s.dis})
-				v.Element.Key(t)
+				var v mujica.TagView
+				ui.Box(c).Key(t).Children(func() {
+					v = mujica.Tag(c, t, mujica.TagOptions{Icon: icon, Clickable: s.clickable, Closable: s.closable, Disabled: s.dis})
+				})
 				if v.Clicked {
 					log("clicked " + t)
 				}
@@ -412,8 +418,10 @@ func tagDemo(c *ui.Context, log func(string)) {
 }
 
 const tagCode = `for i, t := range tags {
-	v := mujica.Tag(c, t, mujica.TagOptions{Icon: "star", Clickable: true, Closable: true})
-	v.Element.Key(t)
+	var v mujica.TagView
+	ui.Box(c).Key(t).Children(func() {
+		v = mujica.Tag(c, t, mujica.TagOptions{Icon: "star", Clickable: true, Closable: true})
+	})
 	if v.Closed {
 		tags = append(tags[:i:i], tags[i+1:]...)
 	}
@@ -429,7 +437,7 @@ func linkDemo(c *ui.Context, log func(string)) {
 	mujica.Heading(c, "Link", mujica.HeadingOptions{Subtitle: "外部地址或应用内动作；键盘激活；打开失败反馈", Divider: true})
 	displaySection(c, "Parameters", func() {
 		displayControls(c, func() {
-			ui.TextInput(c, &s.url).Placeholder("URL (empty = in-app action)").Width(320)
+			displayLog(log, ui.TextInput(c, &s.url).Placeholder("URL (empty = in-app action)").Width(320), "url", &s.url)
 			if mujica.Button(c, "Simulate open failure", mujica.ButtonOptions{Variant: mujica.Secondary}).Clicked() {
 				s.external = "No application can open this link."
 				log("open failure set")
diff --git a/examples/gallery/pages_display_parts.go b/examples/gallery/pages_display_parts.go
index 57d8d45..b0bc3fb 100644
--- a/examples/gallery/pages_display_parts.go
+++ b/examples/gallery/pages_display_parts.go
@@ -1,6 +1,8 @@
 package main
 
 import (
+	"fmt"
+
 	"github.com/egoist/mygo/ui"
 
 	mujica "mujicaui"
@@ -30,3 +32,10 @@ func displayCode(c *ui.Context, code string, log func(string)) {
 		mujica.Text(c, code, mujica.TextOptions{Selectable: true}).Font(theme.MonoFont).FontSize(12)
 	})
 }
+
+// displayLog logs a control's new value when it changed.
+func displayLog[T any](log func(string), e *ui.Element, name string, v *T) {
+	if e.Changed() {
+		log(fmt.Sprintf("%s = %v", name, *v))
+	}
+}
diff --git a/heading.go b/heading.go
index 7734afb..6766865 100644
--- a/heading.go
+++ b/heading.go
@@ -7,7 +7,7 @@ import (
 	"mujicaui/theme"
 )
 
-// HeadingOptions configure a Heading. The zero value is a level 1 heading.
+// HeadingOptions configure a Heading; zero is level 1.
 type HeadingOptions struct {
 	// Level is 1, 2 or 3; zero means 1.
 	Level int
@@ -17,21 +17,17 @@ type HeadingOptions struct {
 	Divider bool
 }
 
-// Heading shows a serif title that follows the desktop's text scale.
+// Heading shows a serif title scaled with desktop text.
 func Heading(c *ui.Context, title string, opts HeadingOptions) *ui.Element {
 	k := Tokens(c)
 	size := headingSize(opts.Level)
-	scale := c.Preferences().TextScale
-	if scale <= 0 {
-		scale = 1
-	}
 	u := Density(c).Unit()
 	col := ui.Column(c).Gap(u).Shrink(0)
 	col.Children(func() {
-		ui.Text(c, title).Font(theme.SerifFont).FontSize(size * scale).FontWeight(600).
+		ui.Text(c, title).Font(theme.SerifFont).FontSize(FontSize(c, size)).FontWeight(600).
 			LineHeight(1.25).TextColor(k.Text)
 		if opts.Subtitle != "" {
-			ui.Text(c, opts.Subtitle).FontSize(theme.BodySize * scale).LineHeight(theme.LineHeight).TextColor(k.TextMuted)
+			ui.Text(c, opts.Subtitle).FontSize(FontSize(c, theme.BodySize)).LineHeight(theme.LineHeight).TextColor(k.TextMuted)
 		}
 		if opts.Divider {
 			ui.Box(c).FillWidth().Height(9).Margin(u, 0, 0, 0).Draw(func(p *ui.Painter, r ui.Rect) {
diff --git a/icon.go b/icon.go
index ec0cc19..6db5450 100644
--- a/icon.go
+++ b/icon.go
@@ -10,7 +10,7 @@ import (
 	"mujicaui/theme"
 )
 
-// IconTone is an icon's semantic color. The zero value takes the text color.
+// IconTone is an icon's semantic color; zero inherits text color.
 type IconTone int
 
 const (
@@ -25,17 +25,16 @@ const (
 
 // IconOptions configure an Icon.
 type IconOptions struct {
-	// Size is the icon's width and height in DIPs; zero means 16.
+	// Size is width and height in DIPs; zero means 16.
 	Size float32
 	Tone IconTone
-	// Label names a meaningful icon for assistive technology; empty hides it.
+	// Label names the icon for assistive technology; empty hides it.
 	Label string
 }
 
 type iconMissingKey struct{}
 
-// Icon shows the named icon of the icons package. A missing name shows a
-// dashed fallback box in the Danger color and logs a warning.
+// Icon shows a named icon; missing ones show a fallback.
 func Icon(c *ui.Context, name string, opts IconOptions) *ui.Element {
 	if name == "" {
 		panic("mujica: Icon needs a name")
diff --git a/image.go b/image.go
index 52edd9f..50481e3 100644
--- a/image.go
+++ b/image.go
@@ -10,10 +10,9 @@ import (
 
 // ImageOptions configure an Image.
 type ImageOptions struct {
-	// Width and Height size the box in DIPs; zero keeps the picture's size,
-	// or 160×120 for the placeholder, loading and error states.
+	// Width, Height in DIPs; zero uses src size or 160×120.
 	Width, Height float32
-	// Crop covers the box and crops the rest; false fits the picture inside.
+	// Crop covers and crops the box; false fits inside.
 	Crop bool
 	// Alt describes the picture for assistive technology.
 	Alt string
@@ -23,14 +22,14 @@ type ImageOptions struct {
 	Err error
 }
 
-// ImageView is a shown Image and what the user did to it this frame.
+// ImageView is a shown Image and this frame's events.
 type ImageView struct {
 	Element *ui.Element
-	// Retry reports a click on the retry button of the error state.
+	// Retry reports the error state's retry button was pressed.
 	Retry bool
 }
 
-// Image shows a *ui.Bitmap or *ui.SVG. A nil src shows a placeholder.
+// Image shows a bitmap or SVG; nil shows a placeholder.
 func Image(c *ui.Context, src ui.ImageSource, opts ImageOptions) ImageView {
 	if opts.Width < 0 || opts.Height < 0 {
 		panic("mujica: Image Width and Height must not be negative")
@@ -53,13 +52,7 @@ func Image(c *ui.Context, src ui.ImageSource, opts ImageOptions) ImageView {
 	}
 	k := Tokens(c)
 	u := Density(c).Unit()
-	w, h := opts.Width, opts.Height
-	if w == 0 {
-		w = 160
-	}
-	if h == 0 {
-		h = 120
-	}
+	w, h := imageBox(src, opts.Width, opts.Height)
 	var v ImageView
 	frame := ui.Column(c).Size(w, h).Shrink(0).Center().Gap(u*2).Padding(u*2).Clip().
 		Radius(theme.ControlRadius).Background(k.SurfaceHover).Border(theme.BorderWidth, k.Border)
@@ -69,7 +62,7 @@ func Image(c *ui.Context, src ui.ImageSource, opts ImageOptions) ImageView {
 		case opts.Err != nil:
 			frame.Role(ui.RoleGroup).Label(msg(c, "image.error")).Description(opts.Alt).Error(opts.Err.Error())
 			Icon(c, "circle-alert", IconOptions{Size: 20, Tone: IconDanger})
-			ui.Text(c, msg(c, "image.error")).FontSize(theme.CaptionSize).TextColor(k.Danger).TextAlign(ui.Center)
+			ui.Text(c, msg(c, "image.error")).FontSize(FontSize(c, theme.CaptionSize)).TextColor(k.Danger).TextAlign(ui.Center)
 			if Button(c, msg(c, "image.retry"), ButtonOptions{Variant: Secondary}).Clicked() {
 				v.Retry = true
 				slog.Debug("mujica: image retry", "alt", opts.Alt)
@@ -84,3 +77,27 @@ func Image(c *ui.Context, src ui.ImageSource, opts ImageOptions) ImageView {
 	})
 	return v
 }
+
+// imageBox fills unset sides from src's aspect, else 160×120.
+func imageBox(src ui.ImageSource, w, h float32) (float32, float32) {
+	var sw, sh float32
+	switch s := src.(type) {
+	case *ui.Bitmap:
+		iw, ih := s.Size()
+		sw, sh = float32(iw), float32(ih)
+	case *ui.SVG:
+		sw, sh = s.Size()
+	}
+	if sw <= 0 || sh <= 0 {
+		sw, sh = 160, 120
+	}
+	switch {
+	case w == 0 && h == 0:
+		return sw, sh
+	case w == 0:
+		return h * sw / sh, h
+	case h == 0:
+		return w, w * sh / sw
+	}
+	return w, h
+}
diff --git a/image_test.go b/image_test.go
index 395fa69..7316b7b 100644
--- a/image_test.go
+++ b/image_test.go
@@ -49,8 +49,8 @@ func TestImageStates(t *testing.T) {
 		label string
 	}{
 		{"placeholder", nil, ImageOptions{}, "No image"},
-		{"loading", imageTestBitmap(), ImageOptions{Loading: true}, "Loading image"},
-		{"error", imageTestBitmap(), ImageOptions{Loading: true, Err: errors.New("404")}, "Image failed to load"},
+		{"loading", nil, ImageOptions{Loading: true}, "Loading image"},
+		{"error", nil, ImageOptions{Loading: true, Err: errors.New("404")}, "Image failed to load"},
 	} {
 		var r ui.Rect
 		tt := ui.NewTester(func(c *ui.Context) {
@@ -111,3 +111,27 @@ func TestImageSnapshot(t *testing.T) {
 		})
 	})
 }
+
+func TestImageKeepsSizeWhileLoading(t *testing.T) {
+	bmp := imageTestBitmap()
+	for _, tc := range []struct {
+		opts ImageOptions
+		w, h float32
+	}{
+		{ImageOptions{Loading: true}, 80, 40},
+		{ImageOptions{Width: 160, Loading: true}, 160, 80},
+		{ImageOptions{Err: errors.New("x")}, 80, 40},
+	} {
+		var r ui.Rect
+		tt := ui.NewTester(func(c *ui.Context) {
+			Use(c, Settings{})
+			ui.Column(c).AlignItems(ui.Start).Children(func() {
+				r = Image(c, bmp, tc.opts).Element.Bounds()
+			})
+		}, 400, 400)
+		tt.Frame()
+		if r.W != tc.w || r.H != tc.h {
+			t.Errorf("%+v: %v, want %vx%v", tc.opts, r, tc.w, tc.h)
+		}
+	}
+}
diff --git a/internal/display.go b/internal/display.go
index f84e2fc..90d7740 100644
--- a/internal/display.go
+++ b/internal/display.go
@@ -7,7 +7,7 @@ import (
 	"github.com/egoist/mygo/ui"
 )
 
-// Fade animates e's background and border colors over d; zero skips it.
+// Fade animates e's colors over d; zero skips it.
 func Fade(e *ui.Element, d time.Duration) *ui.Element {
 	if d > 0 {
 		e.Transition(ui.ElementTransition{Colors: true, Duration: d})
@@ -15,7 +15,7 @@ func Fade(e *ui.Element, d time.Duration) *ui.Element {
 	return e
 }
 
-// Rule draws a 1 DIP horizontal line from x0 to x1 at y, on device pixels.
+// Rule draws a pixel-aligned 1 DIP horizontal line at y.
 func Rule(p *ui.Painter, x0, x1, y float32, c ui.Color) {
 	s := float64(p.Scale())
 	px := math.Floor(float64(y) * s)
diff --git a/kbd.go b/kbd.go
index 5e2575d..46462f2 100644
--- a/kbd.go
+++ b/kbd.go
@@ -9,9 +9,7 @@ import (
 	"mujicaui/theme"
 )
 
-// Kbd shows a key or key combination as key caps. It registers nothing.
-// "Mod" is Command on macOS and Ctrl elsewhere; Ctrl, Alt, Shift, Enter,
-// Esc, Tab, Backspace, Delete, Up, Down, Left and Right follow the platform.
+// Kbd shows keys as caps; "Mod" is Command or Ctrl.
 func Kbd(c *ui.Context, keys ...string) *ui.Element {
 	if len(keys) == 0 {
 		panic("mujica: Kbd needs at least one key")
@@ -29,20 +27,20 @@ func Kbd(c *ui.Context, keys ...string) *ui.Element {
 	row.Children(func() {
 		for i, key := range keys {
 			if i > 0 && !mac {
-				ui.Text(c, "+").FontSize(theme.CaptionSize).TextColor(k.TextMuted)
+				ui.Text(c, "+").FontSize(FontSize(c, theme.CaptionSize)).TextColor(k.TextMuted)
 			}
 			face, _ := kbdKey(key, mac)
-			ui.Box(c).Key(i).Row().Center().MinWidth(20).Height(20).Padding(0, 5).
+			ui.Box(c).Key(i).Row().Center().MinWidth(FontSize(c, 20)).MinHeight(FontSize(c, 20)).Padding(0, 5).
 				Radius(theme.ControlRadius).Background(k.Surface).BorderColor(k.ControlBorder).
 				BorderWidth(1, 1, 2, 1).Children(func() {
-				ui.Text(c, face).Font(theme.MonoFont).FontSize(theme.CaptionSize).TextColor(k.Text).SingleLine()
+				ui.Text(c, face).Font(theme.MonoFont).FontSize(FontSize(c, theme.CaptionSize)).TextColor(k.Text).SingleLine()
 			})
 		}
 	})
 	return row
 }
 
-// kbdNames maps a key to its macOS cap, macOS word and other platforms' cap.
+// kbdNames maps keys to macOS cap, word, other cap.
 var kbdNames = map[string]struct{ macCap, macWord, other string }{
 	"mod":       {"⌘", "Command", "Ctrl"},
 	"ctrl":      {"⌃", "Control", "Ctrl"},
@@ -59,7 +57,7 @@ var kbdNames = map[string]struct{ macCap, macWord, other string }{
 	"right":     {"→", "Right", "→"},
 }
 
-// kbdKey returns how key shows and how it is read on the platform.
+// kbdKey returns how key shows and reads on the platform.
 func kbdKey(key string, mac bool) (shown, spoken string) {
 	n, ok := kbdNames[strings.ToLower(key)]
 	if !ok {
diff --git a/kbd_test.go b/kbd_test.go
index 35ba0e4..c3606a3 100644
--- a/kbd_test.go
+++ b/kbd_test.go
@@ -78,3 +78,20 @@ func TestKbdSnapshot(t *testing.T) {
 		})
 	})
 }
+
+func TestKbdTextScale(t *testing.T) {
+	var h [2]float32
+	for i, s := range []float32{1, 2} {
+		tt := ui.NewTester(func(c *ui.Context) {
+			Use(c, Settings{})
+			ui.Row(c).AlignItems(ui.Start).Children(func() {
+				h[i] = Kbd(c, "Mod", "K").Bounds().H
+			})
+		}, 400, 200)
+		tt.SetPreferences(ui.Preferences{TextScale: s})
+		tt.Frame()
+	}
+	if h[1] < h[0]*1.5 {
+		t.Fatalf("height %v at 2x, %v at 1x", h[1], h[0])
+	}
+}
diff --git a/link.go b/link.go
index 6b47b66..f2a4c94 100644
--- a/link.go
+++ b/link.go
@@ -11,16 +11,15 @@ import (
 	"mujicaui/theme"
 )
 
-// LinkOptions configure a Link. An empty URL makes an in-app action link.
+// LinkOptions configure a Link; empty URL means in-app action.
 type LinkOptions struct {
-	// URL opens in the browser, or goes there in a MyGo router for a path.
+	// URL opens in the browser; paths go to the router.
 	URL string
 	// Error is the caller's open failure, shown below the link.
 	Error string
 }
 
-// Link is underlined text activated by a click or Enter. Clicked reports
-// every activation. A malformed URL is not opened and shows an error.
+// Link is underlined text; malformed URLs show an error instead.
 func Link(c *ui.Context, label string, opts LinkOptions) *ui.Element {
 	if label == "" {
 		panic("mujica: Link needs a label")
@@ -56,7 +55,7 @@ func Link(c *ui.Context, label string, opts LinkOptions) *ui.Element {
 		})
 		if problem != "" {
 			l.Error(problem)
-			ui.Text(c, problem).TextColor(k.Danger).FontSize(theme.CaptionSize)
+			ui.Text(c, problem).TextColor(k.Danger).FontSize(FontSize(c, theme.CaptionSize))
 		}
 	})
 	if l.Clicked() {
@@ -65,7 +64,7 @@ func Link(c *ui.Context, label string, opts LinkOptions) *ui.Element {
 	return l
 }
 
-// linkCheck reports whether raw has a scheme, and whether it can be opened.
+// linkCheck reports whether raw has a scheme and is openable.
 func linkCheck(raw string) (external, ok bool) {
 	p, err := url.Parse(raw)
 	if err != nil {
diff --git a/tag.go b/tag.go
index 3ba3161..0bc9ebe 100644
--- a/tag.go
+++ b/tag.go
@@ -10,9 +10,9 @@ import (
 	"mujicaui/theme"
 )
 
-// TagOptions configure a Tag. The zero value is a plain label.
+// TagOptions configure a Tag; zero is a plain label.
 type TagOptions struct {
-	// Icon names an icon of the icons package shown before the label.
+	// Icon names an icon shown before the label.
 	Icon string
 	// Clickable makes the label a button reported by TagView.Clicked.
 	Clickable bool
@@ -21,17 +21,16 @@ type TagOptions struct {
 	Disabled bool
 }
 
-// TagView is a shown Tag and what the user did to it this frame.
+// TagView is a shown Tag and this frame's events.
 type TagView struct {
 	Element *ui.Element
-	// Clicked reports the label was activated; never set by the remove button.
+	// Clicked reports the label was activated, not the remove button.
 	Clicked bool
-	// Closed reports the remove button, or Delete or Backspace on the label.
+	// Closed reports the remove button, Delete or Backspace.
 	Closed bool
 }
 
-// Tag shows a short label. Clicking the label and removing the tag are
-// separate actions with separate focus stops.
+// Tag shows a label; click and remove are separate stops.
 func Tag(c *ui.Context, label string, opts TagOptions) TagView {
 	if label == "" {
 		panic("mujica: Tag needs a label")
@@ -66,13 +65,13 @@ func Tag(c *ui.Context, label string, opts TagOptions) TagView {
 			if opts.Icon != "" {
 				Icon(c, opts.Icon, IconOptions{Size: 14})
 			}
-			ui.Text(c, label).FontSize(theme.BodySize - 1).SingleLine()
+			ui.Text(c, label).FontSize(FontSize(c, theme.BodySize-1)).SingleLine()
 		})
 		if opts.Clickable && main.Clicked() {
 			v.Clicked = true
 		}
 		if opts.Closable {
-			if opts.Clickable && !opts.Disabled && (main.Shortcut(0, ui.KeyDelete) || main.Shortcut(0, ui.KeyBackspace)) {
+			if opts.Clickable && !main.IsDisabled() && (main.Shortcut(0, ui.KeyDelete) || main.Shortcut(0, ui.KeyBackspace)) {
 				v.Closed = true
 			}
 			if tagClose(c, k, label).Clicked() {
diff --git a/tag_test.go b/tag_test.go
index f2b76d0..e3c3586 100644
--- a/tag_test.go
+++ b/tag_test.go
@@ -90,3 +90,40 @@ func TestTagSnapshot(t *testing.T) {
 		})
 	})
 }
+
+func TestTagDisabledAncestorBlocksDelete(t *testing.T) {
+	closed, off := 0, false
+	tt := ui.NewTester(func(c *ui.Context) {
+		Use(c, Settings{})
+		ui.Row(c).Disabled(off).Children(func() {
+			if Tag(c, "Velvet", TagOptions{Clickable: true, Closable: true}).Closed {
+				closed++
+			}
+		})
+	}, 300, 100)
+	tt.Key(0, ui.KeyTab)
+	off = true
+	tt.Frame()
+	tt.Key(0, ui.KeyDelete)
+	tt.Key(0, ui.KeyBackspace)
+	if closed != 0 {
+		t.Fatalf("closed %d times under a disabled ancestor", closed)
+	}
+}
+
+func TestTagTextScale(t *testing.T) {
+	var h [2]float32
+	for i, s := range []float32{1, 2} {
+		tt := ui.NewTester(func(c *ui.Context) {
+			Use(c, Settings{})
+			ui.Row(c).AlignItems(ui.Start).Children(func() {
+				h[i] = Tag(c, "Velvet", TagOptions{}).Element.Bounds().W
+			})
+		}, 400, 200)
+		tt.SetPreferences(ui.Preferences{TextScale: s})
+		tt.Frame()
+	}
+	if h[1] < h[0]*1.5 {
+		t.Fatalf("width %v at 2x, %v at 1x", h[1], h[0])
+	}
+}
diff --git a/testdata/snapshots/darwin/kbd-dark.png b/testdata/snapshots/darwin/kbd-dark.png
index 119484d..1cc0cc2 100644
Binary files a/testdata/snapshots/darwin/kbd-dark.png and b/testdata/snapshots/darwin/kbd-dark.png differ
diff --git a/testdata/snapshots/darwin/kbd-light.png b/testdata/snapshots/darwin/kbd-light.png
index d38c7dd..3651fa8 100644
Binary files a/testdata/snapshots/darwin/kbd-light.png and b/testdata/snapshots/darwin/kbd-light.png differ
diff --git a/testdata/snapshots/darwin/text-dark.png b/testdata/snapshots/darwin/text-dark.png
index a6d1fb0..06e9740 100644
Binary files a/testdata/snapshots/darwin/text-dark.png and b/testdata/snapshots/darwin/text-dark.png differ
diff --git a/testdata/snapshots/darwin/text-light.png b/testdata/snapshots/darwin/text-light.png
index 28658ca..cf745ab 100644
Binary files a/testdata/snapshots/darwin/text-light.png and b/testdata/snapshots/darwin/text-light.png differ
diff --git a/text.go b/text.go
index 52cea10..e275700 100644
--- a/text.go
+++ b/text.go
@@ -11,13 +11,13 @@ import (
 
 // TextOptions configure a Text. The zero value wraps every line.
 type TextOptions struct {
-	// MaxLines cuts the text with an ellipsis after that many lines; zero never cuts.
+	// MaxLines cuts with an ellipsis after n lines; zero never.
 	MaxLines int
 	// Selectable lets the user select and copy the text.
 	Selectable bool
 }
 
-// Text shows body text that wraps at the width it gets.
+// Text shows body text wrapping at its width.
 func Text(c *ui.Context, s string, opts TextOptions) *ui.Element {
 	if opts.MaxLines < 0 {
 		panic("mujica: Text MaxLines must not be negative")
@@ -30,7 +30,8 @@ func Text(c *ui.Context, s string, opts TextOptions) *ui.Element {
 		e.MaxLines(opts.MaxLines)
 	}
 	if opts.Selectable {
-		e.Selectable()
+		e.Selectable().Focusable()
+		internal.Ring(e, Tokens(c).Focus, theme.ControlRadius)
 	}
 	return e
 }
@@ -45,41 +46,100 @@ type EditableTextOptions struct {
 	Label string
 }
 
-// EditableText is Text's editable mode. Double click or Enter edits; Enter
-// or leaving confirms, Escape cancels. Changed reports a confirmed new value.
-func EditableText(c *ui.Context, value *string, opts EditableTextOptions) *ui.Element {
+// EditableTextView is a shown EditableText and this frame's outcome.
+type EditableTextView struct {
+	Element *ui.Element
+	// Changed reports a confirmed new value, already in *value.
+	Changed bool
+	// Canceled reports Escape discarded an edit.
+	Canceled bool
+}
+
+type editableTextState struct {
+	editing, fresh bool
+	draft          string
+}
+
+type editableTextKey struct{}
+
+// EditableText is Text's editable mode with confirm and cancel.
+func EditableText(c *ui.Context, value *string, opts EditableTextOptions) EditableTextView {
 	k := Tokens(c)
 	u := Density(c).Unit()
 	line := k.ControlBorder
 	if opts.Error != "" {
 		line = k.Danger
 	}
-	var box *ui.Element
+	var v EditableTextView
 	ui.Column(c).Gap(u).AlignItems(ui.Start).Children(func() {
-		ui.Row(c).Gap(u * 2).AlignItems(ui.Center).Disabled(opts.Saving).Children(func() {
-			box = ui.EditableText(c, value)
-			pad := u / 2
-			box.Padding(pad+1, pad*2+1).MinWidth(theme.MinHitSize*2).MinHeight(theme.MinHitSize).Radius(theme.ControlRadius).
-				BorderWidth(0, 0, 1, 0).BorderColor(line).BorderStyle(ui.BorderDashed)
-			internal.Ring(box, k.Focus, theme.ControlRadius)
-			if box.Hovered() {
-				box.Background(k.SurfaceHover)
-			}
-			internal.Fade(box, Motion(c, theme.StateDuration))
-			if opts.Label != "" {
-				box.Label(opts.Label)
-			}
+		ui.Row(c).Gap(u * 2).AlignItems(ui.Center).Children(func() {
+			v = editableTextField(c, k, value, opts, line)
 			if opts.Saving {
 				Spinner(c, SpinnerOptions{Size: 12, Label: msg(c, "editable_text.saving")})
 			}
 		})
 		if opts.Error != "" {
-			box.Error(opts.Error)
-			ui.Text(c, opts.Error).TextColor(k.Danger).FontSize(theme.CaptionSize)
+			ui.Text(c, opts.Error).TextColor(k.Danger).FontSize(FontSize(c, theme.CaptionSize))
 		}
 	})
-	if box.Changed() {
+	switch {
+	case v.Changed:
 		slog.Debug("mujica: editabletext changed", "len", len(*value))
+	case v.Canceled:
+		slog.Debug("mujica: editabletext canceled")
 	}
-	return box
+	return v
+}
+
+func editableTextField(c *ui.Context, k theme.Tokens, value *string, opts EditableTextOptions, line ui.Color) EditableTextView {
+	pad := Density(c).Unit() / 2
+	box := ui.Row(c).AlignItems(ui.Center).MinWidth(theme.MinHitSize * 2).MinHeight(theme.MinHitSize).
+		Radius(theme.ControlRadius).Disabled(opts.Saving)
+	v := EditableTextView{Element: box}
+	st := ui.Local(box, editableTextKey{}, func() editableTextState { return editableTextState{} })
+	if opts.Saving {
+		st.editing = false
+	}
+	if !st.editing {
+		box.Focusable().Padding(pad+1, pad*2+1).BorderWidth(0, 0, 1, 0).BorderColor(line).BorderStyle(ui.BorderDashed).
+			Label(opts.Label).Error(opts.Error)
+		internal.Ring(box, k.Focus, theme.ControlRadius)
+		if box.Hovered() {
+			box.Background(k.SurfaceHover)
+		}
+		internal.Fade(box, Motion(c, theme.StateDuration))
+		if !box.IsDisabled() && (box.DoubleClicked() || box.Shortcut(0, ui.KeyEnter)) {
+			st.editing, st.fresh, st.draft = true, true, *value
+		} else {
+			box.Children(func() { ui.Text(c, *value).SingleLine() })
+			return v
+		}
+	}
+	var in *ui.Element
+	box.Children(func() {
+		in = ui.TextInputBase(c, &st.draft).Grow(1).MinWidth(theme.MinHitSize*3).Padding(pad, pad*2).
+			Radius(theme.ControlRadius).Background(k.Surface).Border(theme.BorderWidth, k.Accent).TextColor(k.Text).
+			Label(opts.Label).Error(opts.Error)
+	})
+	done := func() {
+		st.editing = false
+		box.Focus()
+	}
+	switch {
+	case st.fresh:
+		st.fresh = false
+		in.Focus()
+	case in.Submitted():
+		v.Changed = st.draft != *value
+		*value = st.draft
+		done()
+	case in.Shortcut(0, ui.KeyEscape):
+		v.Canceled = true
+		done()
+	case !in.Focused():
+		v.Changed = st.draft != *value
+		*value = st.draft
+		st.editing = false
+	}
+	return v
 }
diff --git a/text_test.go b/text_test.go
index 6b12e7d..8866fb9 100644
--- a/text_test.go
+++ b/text_test.go
@@ -21,6 +21,43 @@ func TestTextSelectAndCopy(t *testing.T) {
 	}
 }
 
+func TestTextSelectableTakesTab(t *testing.T) {
+	tt := ui.NewTester(func(c *ui.Context) {
+		Use(c, Settings{})
+		Text(c, "ID-4821", TextOptions{Selectable: true})
+	}, 300, 100)
+	tt.Key(0, ui.KeyTab)
+	if !tt.Focused("ID-4821") {
+		t.Fatal("selectable text not in Tab order")
+	}
+	tt.Command("selectAll")
+	tt.Command("copy")
+	if got := tt.Clipboard(); got != "ID-4821" {
+		t.Fatalf("clipboard %q", got)
+	}
+}
+
+func TestEditableTextBlurConfirms(t *testing.T) {
+	name := "a"
+	changed := 0
+	tt := ui.NewTester(func(c *ui.Context) {
+		Use(c, Settings{})
+		if EditableText(c, &name, EditableTextOptions{}).Changed {
+			changed++
+		}
+		Button(c, "Other", ButtonOptions{})
+	}, 300, 120)
+	tt.Key(0, ui.KeyTab)
+	tt.Key(0, ui.KeyEnter)
+	tt.Type("b")
+	if err := tt.Click("Other"); err != nil {
+		t.Fatal(err)
+	}
+	if name != "ab" || changed != 1 {
+		t.Fatalf("name %q, changed %d", name, changed)
+	}
+}
+
 func TestTextNotSelectableByDefault(t *testing.T) {
 	tt := ui.NewTester(func(c *ui.Context) {
 		Use(c, Settings{})
@@ -68,34 +105,45 @@ func TestEditableTextConfirm(t *testing.T) {
 	changed := 0
 	tt := ui.NewTester(func(c *ui.Context) {
 		Use(c, Settings{})
-		if EditableText(c, &name, EditableTextOptions{Label: "File name"}).Changed() {
+		if EditableText(c, &name, EditableTextOptions{Label: "File name"}).Changed {
 			changed++
 		}
 	}, 300, 120)
 	tt.Key(0, ui.KeyTab)
 	tt.Key(0, ui.KeyEnter)
-	tt.Type("summary")
+	if !tt.Focused("File name") {
+		t.Fatal("editing input not named File name")
+	}
+	tt.Command("selectAll")
+	tt.Type("summary.pdf")
 	tt.Key(0, ui.KeyEnter)
 	if name != "summary.pdf" || changed != 1 {
 		t.Fatalf("name %q, changed %d", name, changed)
 	}
+	if !tt.Focused("File name") {
+		t.Fatal("focus not back on the text after confirm")
+	}
 }
 
 func TestEditableTextCancel(t *testing.T) {
 	name := "report.pdf"
-	changed := 0
+	changed, canceled := 0, 0
 	tt := ui.NewTester(func(c *ui.Context) {
 		Use(c, Settings{})
-		if EditableText(c, &name, EditableTextOptions{}).Changed() {
+		v := EditableText(c, &name, EditableTextOptions{})
+		if v.Changed {
 			changed++
 		}
+		if v.Canceled {
+			canceled++
+		}
 	}, 300, 120)
 	tt.Key(0, ui.KeyTab)
 	tt.Key(0, ui.KeyEnter)
 	tt.Type("draft")
 	tt.Key(0, ui.KeyEscape)
-	if name != "report.pdf" || changed != 0 {
-		t.Fatalf("name %q, changed %d", name, changed)
+	if name != "report.pdf" || changed != 0 || canceled != 1 {
+		t.Fatalf("name %q, changed %d, canceled %d", name, changed, canceled)
 	}
 	if !tt.HasText("report.pdf") {
 		t.Fatal("text not shown after cancel")