diff --git a/src/uix/eidos/components/combobox/combobox-clear-button.svelte b/src/uix/eidos/components/combobox/combobox-clear-button.svelte
index ac6570e3e..1901139bf 100644
--- a/src/uix/eidos/components/combobox/combobox-clear-button.svelte
+++ b/src/uix/eidos/components/combobox/combobox-clear-button.svelte
@@ -1,29 +1,62 @@
 <script lang="ts">
 	/**
-	 * Eidos `Combobox.ClearButton` — auto-X icon when no children are provided.
-	 * Inline SVG keeps the wrapper self-contained (mirrors `Drawer.Close`).
+	 * Eidos `Combobox.ClearButton` — icon-only X that clears the input.
+	 * Renders an eidos `<Button>` via soma's `child` snippet (chrome,
+	 * focus ring, hover, size all come from button.css). Default
+	 * `variant='ghost' size='xs' iconOnly` — the typical subtle clear
+	 * affordance.
+	 *
+	 * Visibility (hidden when the combobox is empty) is still handled by
+	 * `combobox.css` via the `[data-combobox][data-empty]` ancestor rule.
+	 *
+	 * Composition: callers can pass their own `children` snippet (custom
+	 * glyph) or `child` snippet (full bypass of Button).
 	 */
 	import * as Combobox from '$soma/components/combobox';
+	import { Button } from '$uix/eidos/components/button';
 	import type { ComboboxClearButtonProps } from './types';
 
-	let { children, ...rest }: ComboboxClearButtonProps = $props();
+	let {
+		children,
+		child: outerChild,
+		variant = 'ghost',
+		size = 'xs',
+		rounded,
+		...rest
+	}: ComboboxClearButtonProps = $props();
 </script>
 
 <Combobox.ClearButton {...rest}>
-	{#if children}
-		{@render children()}
-	{:else}
-		<svg
-			width="12"
-			height="12"
-			viewBox="0 0 14 14"
-			fill="none"
-			stroke="currentColor"
-			stroke-width="1.6"
-			stroke-linecap="round"
-			aria-hidden="true"
-		>
-			<path d="M3 3l8 8M11 3l-8 8" />
-		</svg>
-	{/if}
+	{#snippet child({ props })}
+		{#if outerChild}
+			{@render outerChild({ props })}
+		{:else}
+			<Button
+				{...props}
+				{variant}
+				{size}
+				{rounded}
+				intent="neutral"
+				color="neutral"
+				iconOnly
+				aria-label="Clear"
+			>
+				{#snippet icon()}
+					<svg
+						width="12"
+						height="12"
+						viewBox="0 0 14 14"
+						fill="none"
+						stroke="currentColor"
+						stroke-width="1.6"
+						stroke-linecap="round"
+						aria-hidden="true"
+					>
+						<path d="M3 3l8 8M11 3l-8 8" />
+					</svg>
+				{/snippet}
+				{#if children}{@render children()}{/if}
+			</Button>
+		{/if}
+	{/snippet}
 </Combobox.ClearButton>
diff --git a/src/uix/eidos/components/combobox/combobox.css b/src/uix/eidos/components/combobox/combobox.css
index 0a3672e63..8dd19b8bb 100644
--- a/src/uix/eidos/components/combobox/combobox.css
+++ b/src/uix/eidos/components/combobox/combobox.css
@@ -241,38 +241,10 @@
 	transition: transform var(--duration-fast) var(--ease-default);
 }
 
-[data-combobox-clear-button] {
-	display: inline-flex;
-	flex: 0 0 auto;
-	align-items: center;
-	justify-content: center;
-	inline-size: var(--control-height-xs);
-	block-size: var(--control-height-xs);
-	padding: 0;
-	border: 0;
-	border-radius: var(--radius-full);
-	background: transparent;
-	color: var(--color-content-secondary);
-	font: inherit;
-	cursor: pointer;
-	outline: none;
-	transition:
-		background var(--duration-fast) var(--ease-default),
-		color var(--duration-fast) var(--ease-default),
-		opacity var(--duration-fast) var(--ease-default);
-}
-
-[data-combobox-clear-button]:hover:not(:disabled):not([data-disabled]) {
-	background: var(--color-surface-raised);
-	color: var(--color-content-primary);
-}
-
-[data-combobox-clear-button]:focus-visible {
-	box-shadow:
-		0 0 0 var(--focus-ring-offset) var(--color-surface-default),
-		0 0 0 calc(var(--focus-ring-offset) + var(--focus-ring-width)) var(--focus-ring-color);
-}
-
+/* ClearButton chrome (border, focus ring, padding, hover) comes from
+ * `button.css` since the eidos wrapper renders an icon-only `<Button>`.
+ * Only the empty-state visibility rule stays here — it's combobox-
+ * specific behavior (hide the X when there's nothing to clear). */
 [data-combobox-clear-button][data-disabled],
 [data-combobox-clear-button]:disabled,
 [data-combobox][data-empty] [data-combobox-clear-button] {
diff --git a/src/uix/eidos/components/combobox/types.ts b/src/uix/eidos/components/combobox/types.ts
index b5fa4f799..32b00f5ed 100644
--- a/src/uix/eidos/components/combobox/types.ts
+++ b/src/uix/eidos/components/combobox/types.ts
@@ -1,3 +1,8 @@
+import type {
+	ButtonVariant,
+	ButtonSize,
+	ButtonRounded
+} from '$uix/eidos/components/button';
 import type {
 	ArrowProps,
 	ClearButtonProps,
@@ -72,7 +77,24 @@ export type ComboboxGroupProps = GroupProps
 export type ComboboxGroupHeadingProps = GroupHeadingProps
 export type ComboboxSeparatorProps = SeparatorProps
 export type ComboboxArrowProps = ArrowProps
-export type ComboboxClearButtonProps = ClearButtonProps
+/**
+ * ClearButton renders an eidos `<Button>` internally (icon-only X by
+ * default). `variant` is narrowed to ControlVariant
+ * (`'surface' | 'outline' | 'ghost'`) per DEMO_AUTHORING_GUIDE §12.7 —
+ * same 3-set the rest of the form-control surface uses. Default
+ * `variant='ghost'` because the typical clear affordance is a subtle X
+ * that only reveals chrome on hover.
+ */
+export type ComboboxClearButtonVariant = Extract<ButtonVariant, ControlVariant>;
+
+export type ComboboxClearButtonProps = ClearButtonProps & {
+	/** Button visual variant, narrowed to ControlVariant. @default 'ghost' */
+	variant?: ComboboxClearButtonVariant;
+	/** Button size scale. @default 'xs' */
+	size?: ResponsiveProp<ButtonSize>;
+	/** Button corner radius. */
+	rounded?: ResponsiveProp<ButtonRounded>;
+};
 export type ComboboxSelectedTagsProps = SelectedTagsProps
 export type ComboboxSelectedTagProps = SelectedTagProps
 export type ComboboxSelectedTagRemoveProps = SelectedTagRemoveProps
diff --git a/src/uix/eidos/components/search-field/search-field-clear-trigger.svelte b/src/uix/eidos/components/search-field/search-field-clear-trigger.svelte
index 9466b5398..e1b9b0fb8 100644
--- a/src/uix/eidos/components/search-field/search-field-clear-trigger.svelte
+++ b/src/uix/eidos/components/search-field/search-field-clear-trigger.svelte
@@ -1,10 +1,60 @@
 <script lang="ts">
+	/**
+	 * Eidos `SearchField.ClearTrigger` — icon-only X that clears the input.
+	 * Renders an eidos `<Button>` via soma's `child` snippet. Default
+	 * `variant='ghost' iconOnly` — subtle clear affordance.
+	 *
+	 * Visibility (hidden when the field is empty) is still handled by
+	 * `search-field.css` via the `[data-search-field][data-empty]`
+	 * ancestor rule.
+	 *
+	 * Composition: callers can pass their own `children` snippet (custom
+	 * glyph) or `child` snippet (full bypass of Button).
+	 */
 	import * as SearchField from '$soma/components/search-field';
+	import { Button } from '$uix/eidos/components/button';
 	import type { SearchFieldClearTriggerProps } from './types';
 
-	let { children, ...rest }: SearchFieldClearTriggerProps = $props();
+	let {
+		children,
+		child: outerChild,
+		variant = 'ghost',
+		size,
+		rounded,
+		...rest
+	}: SearchFieldClearTriggerProps = $props();
 </script>
 
 <SearchField.ClearTrigger {...rest}>
-	{@render children?.()}
+	{#snippet child({ props })}
+		{#if outerChild}
+			{@render outerChild({ props })}
+		{:else}
+			<Button
+				{...props}
+				{variant}
+				size={size ?? 'sm'}
+				{rounded}
+				intent="neutral"
+				color="neutral"
+				iconOnly
+			>
+				{#snippet icon()}
+					<svg
+						width="12"
+						height="12"
+						viewBox="0 0 14 14"
+						fill="none"
+						stroke="currentColor"
+						stroke-width="1.6"
+						stroke-linecap="round"
+						aria-hidden="true"
+					>
+						<path d="M3 3l8 8M11 3l-8 8" />
+					</svg>
+				{/snippet}
+				{#if children}{@render children()}{/if}
+			</Button>
+		{/if}
+	{/snippet}
 </SearchField.ClearTrigger>
diff --git a/src/uix/eidos/components/search-field/search-field.css b/src/uix/eidos/components/search-field/search-field.css
index cadf478a1..846fe35fe 100644
--- a/src/uix/eidos/components/search-field/search-field.css
+++ b/src/uix/eidos/components/search-field/search-field.css
@@ -163,36 +163,10 @@
 	cursor: not-allowed;
 }
 
-[data-search-field-clear-trigger] {
-	display: inline-flex;
-	flex: 0 0 auto;
-	align-items: center;
-	justify-content: center;
-	inline-size: var(--search-field-clear-size);
-	block-size: var(--search-field-clear-size);
-	border: var(--search-field-clear-border-width) solid var(--search-field-clear-border);
-	border-radius: var(--search-field-clear-radius);
-	background: var(--search-field-clear-bg);
-	color: var(--search-field-clear-color);
-	font: inherit;
-	cursor: pointer;
-	outline: none;
-	transition:
-		background var(--search-field-transition-duration) var(--search-field-transition-ease),
-		border-color var(--search-field-transition-duration) var(--search-field-transition-ease),
-		color var(--search-field-transition-duration) var(--search-field-transition-ease);
-}
-
-[data-search-field-clear-trigger]:hover:not([data-disabled]) {
-	border-color: var(--search-field-clear-border-hover);
-	background: var(--search-field-clear-bg-hover);
-	color: var(--search-field-clear-color-hover);
-}
-
-[data-search-field-clear-trigger]:focus-visible {
-	box-shadow: var(--search-field-clear-focus-shadow);
-}
-
+/* ClearTrigger chrome (border, focus ring, padding, hover) comes from
+ * `button.css` since the eidos wrapper renders an icon-only `<Button>`.
+ * Only the empty-state visibility rule stays here — it's search-field-
+ * specific behavior (hide the X when there's nothing to clear). */
 [data-search-field-clear-trigger][data-disabled],
 [data-search-field][data-empty] [data-search-field-clear-trigger] {
 	cursor: default;
diff --git a/src/uix/eidos/components/search-field/types.ts b/src/uix/eidos/components/search-field/types.ts
index 02afa76e3..078ed9782 100644
--- a/src/uix/eidos/components/search-field/types.ts
+++ b/src/uix/eidos/components/search-field/types.ts
@@ -6,6 +6,7 @@ import type {
 	ProviderProps,
 	ProviderSnippetProps as SearchFieldProviderSnippetProps
 } from '$soma/components/search-field';
+import type { ButtonVariant, ButtonRounded } from '$uix/eidos/components/button';
 import type { ColorRole, ControlVariant, ResponsiveProp, Size } from '$uix/eidos/lib/types';
 
 export type SearchFieldSize = Extract<Size, 'xs' | 'sm' | 'md' | 'lg' | 'xl'>;
@@ -28,7 +29,24 @@ export type SearchFieldProps = ProviderProps & {
 };
 
 export type SearchFieldInputProps = InputProps;
-export type SearchFieldClearTriggerProps = ClearTriggerProps;
+
+/**
+ * ClearTrigger renders an eidos `<Button>` internally (icon-only X by
+ * default). `variant` is narrowed to ControlVariant
+ * (`'surface' | 'outline' | 'ghost'`) per DEMO_AUTHORING_GUIDE §12.7.
+ * Default `variant='ghost'` — subtle clear affordance that reveals
+ * chrome on hover. Inherits the field's `size` automatically.
+ */
+export type SearchFieldClearTriggerVariant = Extract<ButtonVariant, ControlVariant>;
+
+export type SearchFieldClearTriggerProps = ClearTriggerProps & {
+	/** Button visual variant, narrowed to ControlVariant. @default 'ghost' */
+	variant?: SearchFieldClearTriggerVariant;
+	/** Button size scale. @default inherits from parent SearchField */
+	size?: ResponsiveProp<SearchFieldSize>;
+	/** Button corner radius. */
+	rounded?: ResponsiveProp<ButtonRounded>;
+};
 export type SearchFieldIconProps = IconProps;
 export type SearchFieldLoadingIndicatorProps = LoadingIndicatorProps;
 export type { SearchFieldProviderSnippetProps };