diff --git a/src/uix/eidos/COMPONENT_COHERENCE_AUDIT.md b/src/uix/eidos/COMPONENT_COHERENCE_AUDIT.md
index eb20e1e19..f75ca9b8d 100644
--- a/src/uix/eidos/COMPONENT_COHERENCE_AUDIT.md
+++ b/src/uix/eidos/COMPONENT_COHERENCE_AUDIT.md
@@ -709,10 +709,22 @@ time-picker + morfo: **65/65**. Navegador: langs ES + transición de los 4 input
 
 ### Pendiente (orden sugerido)
 
-1. **DIM 1 composición — Lote A** (Button-consumer): closes dialog/drawer/popover/
-   banner/toast → `IconButton`+`SvgX`; calendar/range prev/next → `IconButton`+
-   `SvgChevron`; **code-block copy → componer `<Clipboard>`** (cierra también su
-   hardcode de langs). Borrar el chrome `--*-control-*`/`--*-close-*` redundante.
+1. **DIM 1 composición — Lote A** (Button-consumer) — **EN CURSO**:
+   - ✅ **popover-close** + **banner-close** → `IconButton`+`SvgX` (slices completos:
+     wrapper + types + borrado de chrome CSS + eliminación de tokens recipe huérfanos
+     + regen; verificados en navegador, consistentes con dialog/drawer-close).
+   - ✅ **drawer-close**: limpiados los 15 tokens recipe huérfanos que la migración
+     previa dejó + arreglado el manifiesto de `component-visual-attrs` (drawer +
+     popover componen IconButton → no estampan `data-icon-only`, sin entrada). Suite
+     eidos 9→8 fallas (las 8 restantes son heredadas: spin-field, palabras, icon).
+   - **Gotcha confirmado** ([[iconbutton-lote0]]): migrar a IconButton voltea el orden
+     de carga CSS → `[data-button]{margin:0}` (igual especificidad, carga después) pisa
+     el positioning del consumidor. Fix: subir especificidad con ancestro
+     (`[data-banner] [data-banner-close]`).
+   - ⏳ **Pendiente del Lote A**: **toast-close** (19 refs CSS — chrome más complejo),
+     **float-panel-close** (chrome COMPARTIDO con `action`+`stage-trigger` → migrar los
+     tres o extraer con cuidado), **calendar/range prev/next** → `IconButton`+`SvgChevron`
+     (+ borrar `--calendar-control-*`), **code-block copy** → componer `<Clipboard>`.
 2. **DIM 1 — Lote B** (estructural): 6 `<select>` nativos → `<Select>` (calendar
    month/year, range-calendar month/year, color-field/color-picker format).
 3. **Barrido de langs — cola** (deferidos arriba): avatar-group conteo, date-range-picker
diff --git a/src/uix/eidos/component-visual-attrs.test.ts b/src/uix/eidos/component-visual-attrs.test.ts
index 7ad14a16d..66b690fee 100644
--- a/src/uix/eidos/component-visual-attrs.test.ts
+++ b/src/uix/eidos/component-visual-attrs.test.ts
@@ -31,11 +31,11 @@ const VISUAL_ATTRS = [
 	],
 	['checkbox/checkbox.svelte', ['data-size', 'data-variant', 'data-color']],
 	['checkbox/checkbox-group.svelte', ['data-columns']],
-	// The close composes <IconButton>, which owns the icon-only layout — the
-	// wrapper only wires the dialog-specific floating `data-position`.
+	// The close composes <IconButton>, which owns the icon-only layout. dialog
+	// adds the floating `data-position`; drawer + popover stamp no wrapper-specific
+	// visual attr (they fully delegate to IconButton) so they have no entry.
 	['dialog/dialog-close.svelte', ['data-position']],
 	['dialog/dialog-content.svelte', ['data-size', 'data-position', 'data-sheet']],
-	['drawer/drawer-close.svelte', ['data-icon-only']],
 	['drawer/drawer-content.svelte', ['data-size']],
 	['editable/editable.svelte', ['data-size', 'data-variant', 'data-color']],
 	['field/field.svelte', ['data-size', 'data-variant', 'data-orientation', 'data-color']],
@@ -44,7 +44,6 @@ const VISUAL_ATTRS = [
 	['meter/meter.svelte', ['data-size', 'data-shape']],
 	['number-field/number-field.svelte', ['data-size', 'data-variant', 'data-color']],
 	['pagination/pagination.svelte', ['data-size']],
-	['popover/popover-close.svelte', ['data-icon-only']],
 	['popover/popover-content.svelte', ['data-size']],
 	['progress/progress.svelte', ['data-size', 'data-shape']],
 	['radio-group/radio-group.svelte', ['data-size', 'data-variant', 'data-color', 'data-columns']],
diff --git a/src/uix/eidos/components/banner/banner-close.svelte b/src/uix/eidos/components/banner/banner-close.svelte
index 0b39919e0..ec0507196 100644
--- a/src/uix/eidos/components/banner/banner-close.svelte
+++ b/src/uix/eidos/components/banner/banner-close.svelte
@@ -1,50 +1,38 @@
 <script lang="ts">
 	/**
-	 * Eidos `<Banner.Close>` — visually-styled dismiss button. Pure
-	 * eidos-only part: meets the four rules in
-	 * `eidos/components/README.md` (no behavior, no aria contract, no
-	 * event-target role, no keyboard). The consumer wires `onclick` to
-	 * their own visibility state — Banner does not own the dismissal.
-	 *
-	 * Defaults to a localized "Dismiss" `aria-label` (via langs) so consumers
-	 * don't have to remember, but the consumer can override.
+	 * Eidos `<Banner.Close>` — the banner dismiss control. Composes the canonical
+	 * `<IconButton>` (eidos-only part — Banner has no soma close; the consumer
+	 * wires `onclick` to their own visibility state). Inherits Button's chrome,
+	 * focus ring and disabled treatment; only the positioning
+	 * (`margin-inline-start: auto`) stays in `banner.css`. Default `variant='ghost'
+	 * color='neutral'` — a subtle dismiss. The glyph defaults to ✕.
 	 */
 	import { ActiveEidos } from '$uix/eidos';
+	import { IconButton } from '$uix/eidos/components/icon-button';
+	import { SvgX } from '$uix/eidos/components/svg';
 	import type { BannerCloseProps } from './types';
 
 	let {
 		'aria-label': ariaLabel,
-		class: className,
+		variant = 'ghost',
+		size,
+		color = 'neutral',
 		children,
 		...restProps
 	}: BannerCloseProps = $props();
 
 	const eidos = ActiveEidos.require();
-	// Accessible name routes through langs — explicit prop wins, else the
-	// localized default. No hardcoded English.
+	// Accessible name routes through langs — explicit prop wins, else localized.
 	const resolvedLabel = $derived(ariaLabel ?? eidos.langs.ts('#?common.buttons.dismiss|Dismiss'));
 </script>
 
-<button
-	type="button"
+<IconButton
 	{...restProps}
+	{variant}
+	size={size ?? 'sm'}
+	{color}
 	aria-label={resolvedLabel}
-	class={className}
 	data-banner-close=""
 >
-	{#if children}{@render children()}{:else}<svg
-			viewBox="0 0 16 16"
-			width="14"
-			height="14"
-			aria-hidden="true"
-			focusable="false"
-		>
-			<path
-				d="M3 3l10 10M13 3L3 13"
-				fill="none"
-				stroke="currentColor"
-				stroke-width="1.5"
-				stroke-linecap="round"
-			/>
-		</svg>{/if}
-</button>
+	{#if children}{@render children()}{:else}<SvgX />{/if}
+</IconButton>
diff --git a/src/uix/eidos/components/banner/banner.css b/src/uix/eidos/components/banner/banner.css
index a6123fe7e..a805aed8b 100644
--- a/src/uix/eidos/components/banner/banner.css
+++ b/src/uix/eidos/components/banner/banner.css
@@ -141,30 +141,12 @@
 
 /* ── Close button (eidos-only part) ────────────────────────────────── */
 
-[data-banner-close] {
-	display: inline-flex;
-	align-items: center;
-	justify-content: center;
+/* Positioning only — `Banner.Close` composes the canonical `<IconButton>`, so
+   its chrome (size, bg, border, hover, focus ring) comes from button.css. The
+   `margin-inline-start: auto` pushes the dismiss to the end of the banner row.
+   Scoped under `[data-banner]` (0,2,0) so it out-ranks `[data-button]`'s own
+   `margin` (0,1,0) — composing IconButton flips the CSS load order, so an
+   equal-specificity bare selector would lose the tie. */
+[data-banner] [data-banner-close] {
 	margin-inline-start: auto;
-	inline-size: var(--space-6);
-	block-size: var(--space-6);
-	padding: 0;
-	background: transparent;
-	color: inherit;
-	border: 0;
-	border-radius: var(--radius-sm, var(--space-1));
-	cursor: pointer;
-	opacity: var(--opacity-subtle);
-	transition: opacity var(--duration-fast) ease, background-color var(--duration-fast) ease;
-}
-
-[data-banner-close]:hover {
-	opacity: 1;
-	background: color-mix(in srgb, currentColor 12%, transparent);
-}
-
-[data-banner-close]:focus-visible {
-	outline: var(--border-width-medium) solid currentColor;
-	outline-offset: 1px;
-	opacity: 1;
 }
diff --git a/src/uix/eidos/components/banner/types.ts b/src/uix/eidos/components/banner/types.ts
index 5d6b8250d..97b93bbf1 100644
--- a/src/uix/eidos/components/banner/types.ts
+++ b/src/uix/eidos/components/banner/types.ts
@@ -2,6 +2,7 @@ import type { Snippet } from 'svelte';
 import type { HTMLAttributes } from 'svelte/elements';
 import type { ColorRole, ResponsiveProp, Size } from '$uix/eidos/lib/types';
 import type { ChipVariant } from '$uix/eidos/lib/types';
+import type { IconButtonProps } from '$uix/eidos/components/icon-button';
 
 /**
  * Banner intent vocabulary. Mirrors the canonical UIX `ColorRole` set
@@ -49,8 +50,15 @@ export type BannerProps = Omit<HTMLAttributes<HTMLElement>, 'children'> & {
 	children?: Snippet;
 };
 
-export type BannerCloseProps = Omit<HTMLAttributes<HTMLButtonElement>, 'children'> & {
-	/** Accessible label for the dismiss button. @default 'Dismiss' */
+/**
+ * `Banner.Close` composes the canonical `<IconButton>`, so it inherits its
+ * full prop surface (variant / size / color / onclick / disabled / …). It only
+ * relaxes the two IconButton requirements: `aria-label` (defaults to a
+ * localized "Dismiss") and `children` (the glyph, defaults to ✕).
+ */
+export type BannerCloseProps = Omit<IconButtonProps, 'aria-label' | 'children'> & {
+	/** Accessible label for the dismiss button. @default localized 'Dismiss' */
 	'aria-label'?: string;
+	/** Glyph override (defaults to the ✕). */
 	children?: Snippet;
 };
diff --git a/src/uix/eidos/components/popover/popover-close.svelte b/src/uix/eidos/components/popover/popover-close.svelte
index e60057a36..d252ce383 100644
--- a/src/uix/eidos/components/popover/popover-close.svelte
+++ b/src/uix/eidos/components/popover/popover-close.svelte
@@ -1,31 +1,50 @@
 <script lang="ts">
 	/**
-	 * Eidos `Popover.Close` — passes through to headless. Optional auto-X
-	 * icon when no children are provided (matches the air baseline +
-	 * Dialog/Drawer pattern). The recipe styles a square button with
-	 * focus ring.
+	 * Eidos `Popover.Close` — composes the canonical button primitives via soma's
+	 * `child` snippet (no bespoke close chrome — it inherits Button's variant /
+	 * focus-ring / disabled):
+	 *
+	 *   - no text children → icon close: an `<IconButton>` with the ✕ glyph and a
+	 *     localized "Close" `aria-label`.
+	 *   - text children → text close: a `<Button>` with the label inline.
+	 *
+	 * A `child` snippet bypasses both primitives.
 	 */
+	import { ActiveEidos } from '$uix/eidos';
 	import * as Popover from '$soma/components/popover';
+	import { Button } from '$uix/eidos/components/button';
+	import { IconButton } from '$uix/eidos/components/icon-button';
+	import { SvgX } from '$uix/eidos/components/svg';
 	import type { PopoverCloseProps } from './types';
 
-	let { children, ...rest }: PopoverCloseProps = $props();
+	let {
+		variant,
+		size,
+		color,
+		'aria-label': ariaLabel,
+		child: outerChild,
+		children,
+		...rest
+	}: PopoverCloseProps = $props();
+
+	const eidos = ActiveEidos.require();
+	const resolvedSize = $derived(size ?? 'md');
+	// Accessible name routes through langs — explicit prop wins, else localized.
+	const closeLabel = $derived(ariaLabel ?? eidos.langs.ts('#?common.buttons.close|Close'));
 </script>
 
-<Popover.Close {...rest} data-icon-only={!children ? '' : undefined}>
-	{#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}
+<Popover.Close {...rest}>
+	{#snippet child({ props })}
+		{#if outerChild}
+			{@render outerChild({ props })}
+		{:else if children}
+			<Button {...props} {variant} size={resolvedSize} {color} aria-label={ariaLabel ?? undefined}>
+				{@render children()}
+			</Button>
+		{:else}
+			<IconButton {...props} {variant} size={resolvedSize} {color} aria-label={closeLabel}>
+				<SvgX />
+			</IconButton>
+		{/if}
+	{/snippet}
 </Popover.Close>
diff --git a/src/uix/eidos/components/popover/popover.css b/src/uix/eidos/components/popover/popover.css
index cfc5dad6d..aad143089 100644
--- a/src/uix/eidos/components/popover/popover.css
+++ b/src/uix/eidos/components/popover/popover.css
@@ -224,45 +224,9 @@
 }
 
 /* ── Close button ──────────────────────────────────────────────────────
- * Default sizing is auto-fit (text labels like "Close" or "Dismiss" fit
- * naturally). For icon-only close buttons (× glyph), the consumer sets
- * `data-icon-only` on `<Popover.Close>` to switch to a fixed square. */
-[data-popover-close] {
-	display: inline-flex;
-	align-items: center;
-	justify-content: center;
-	min-block-size: var(--popover-close-size);
-	padding-inline: var(--space-3);
-	border: var(--popover-close-border-width) solid var(--popover-close-border);
-	border-radius: var(--popover-close-radius);
-	background: var(--popover-close-bg);
-	color: var(--popover-close-color);
-	box-shadow: none;
-	font: inherit;
-	font-size: var(--popover-close-font-size);
-	cursor: pointer;
-	transition:
-		background var(--popover-transition-duration) var(--popover-transition-ease),
-		border-color var(--popover-transition-duration) var(--popover-transition-ease),
-		color var(--popover-transition-duration) var(--popover-transition-ease),
-		box-shadow var(--popover-transition-duration) var(--popover-transition-ease);
-}
-
-[data-popover-close][data-icon-only] {
-	inline-size: var(--popover-close-size);
-	block-size: var(--popover-close-size);
-	padding: 0;
-}
-
-[data-popover-close]:hover {
-	background: var(--popover-close-bg-hover);
-	border-color: var(--popover-close-border-hover);
-}
-
-[data-popover-close]:focus-visible {
-	outline: none;
-	box-shadow: var(--focus-ring);
-}
+ * `Popover.Close` composes the canonical `<IconButton>` / `<Button>` (eidos
+ * wrapper), so all chrome — size, border, bg, hover, focus ring — comes from
+ * `button.css`. No bespoke `[data-popover-close]` recipe here. */
 
 /* ── data-last-action exit tinting (mirrors Dialog/Drawer) ──────────────
  * Prewrite writes `data-last-action` BEFORE state flips to 'closed'.
diff --git a/src/uix/eidos/components/popover/types.ts b/src/uix/eidos/components/popover/types.ts
index 8bcc31eb3..ad9929da8 100644
--- a/src/uix/eidos/components/popover/types.ts
+++ b/src/uix/eidos/components/popover/types.ts
@@ -1,6 +1,7 @@
 import type { Snippet } from 'svelte';
 import type { ResponsiveProp, Size } from '$uix/eidos/lib/types';
 import type { MotionPresetName } from '$uix/eidos/lib/motion/registry';
+import type { ButtonVariant, ButtonSize, ButtonProps } from '$uix/eidos/components/button';
 import type {
 	ProviderProps,
 	TriggerProps,
@@ -26,7 +27,17 @@ export type PopoverTriggerProps = TriggerProps;
 export type PopoverArrowProps = ArrowProps;
 export type PopoverTitleProps = TitleProps;
 export type PopoverDescriptionProps = DescriptionProps;
-export type PopoverCloseProps = CloseProps;
+export type PopoverCloseProps = CloseProps & {
+	/**
+	 * Visual variant of the underlying button. The close composes the canonical
+	 * `<Button>` / `<IconButton>`, so it inherits the shared chrome + focus ring.
+	 */
+	variant?: ButtonVariant;
+	/** Button size of the close control. @default 'md' */
+	size?: ResponsiveProp<ButtonSize>;
+	/** Hierarchical color accent — defers to Button's canonical default. */
+	color?: ButtonProps['color'];
+};
 export type PopoverAnchorProps = AnchorProps;
 export type PopoverOverlayProps = OverlayProps & {
 	/**
diff --git a/src/uix/eidos/generated/base.css b/src/uix/eidos/generated/base.css
index a85efa0a1..9ce4f2905 100644
--- a/src/uix/eidos/generated/base.css
+++ b/src/uix/eidos/generated/base.css
@@ -1174,21 +1174,6 @@
 	--drawer-description-font-size: var(--font-size-sm);
 	--drawer-description-line-height: var(--leading-ui);
 	--drawer-description-color: var(--color-content-secondary);
-	--drawer-close-size: var(--control-height-sm);
-	--drawer-close-px: var(--space-2);
-	--drawer-close-radius: var(--radius-md);
-	--drawer-close-bg: transparent;
-	--drawer-close-bg-hover: color-mix(in srgb, var(--color-neutral-track) 72%, transparent);
-	--drawer-close-color: var(--color-content-secondary);
-	--drawer-close-color-hover: var(--color-content-primary);
-	--drawer-close-border: transparent;
-	--drawer-close-border-width: var(--border-width);
-	--drawer-close-transition-duration: var(--duration-fast);
-	--drawer-close-transition-ease: var(--ease-default);
-	--drawer-close-focus-ring-offset: 1px;
-	--drawer-close-focus-ring-width: var(--focus-ring-width);
-	--drawer-close-focus-ring-color: var(--focus-ring-color);
-	--drawer-close-disabled-opacity: 0.5;
 	--icon-size: var(--icon-size-md);
 	--icon-stroke-width: var(--icon-stroke-width-md);
 	--image-size-xs: 64px;
@@ -1819,17 +1804,6 @@
 	--popover-color: var(--color-content-primary);
 	--popover-arrow-width: var(--space-5);
 	--popover-arrow-height: var(--space-2);
-	--popover-transition-duration: var(--duration-fast);
-	--popover-transition-ease: var(--ease-default);
-	--popover-close-size: var(--control-height-xs);
-	--popover-close-font-size: var(--font-size-sm);
-	--popover-close-radius: var(--radius-md);
-	--popover-close-border-width: var(--border-width);
-	--popover-close-bg: transparent;
-	--popover-close-bg-hover: color-mix( in srgb, var(--color-neutral-track) 72%, var(--popover-bg) );
-	--popover-close-color: var(--color-content-secondary);
-	--popover-close-border: color-mix(in srgb, var(--color-border-default) 72%, transparent);
-	--popover-close-border-hover: var(--color-border-strong);
 	--progress-height-xs: 2px;
 	--progress-height-sm: 4px;
 	--progress-height-md: 6px;
diff --git a/src/uix/eidos/lib/recipes/base.ts b/src/uix/eidos/lib/recipes/base.ts
index 14b136476..37dfb4e0d 100644
--- a/src/uix/eidos/lib/recipes/base.ts
+++ b/src/uix/eidos/lib/recipes/base.ts
@@ -938,22 +938,9 @@ export const THEME_BASE_RECIPE_TOKENS = {
 		'description-font-family': 'var(--font-ui)',
 		'description-font-size': 'var(--font-size-sm)',
 		'description-line-height': 'var(--leading-ui)',
-		'description-color': 'var(--color-content-secondary)',
-		'close-size': 'var(--control-height-sm)',
-		'close-px': 'var(--space-2)',
-		'close-radius': 'var(--radius-md)',
-		'close-bg': 'transparent',
-		'close-bg-hover': 'color-mix(in srgb, var(--color-neutral-track) 72%, transparent)',
-		'close-color': 'var(--color-content-secondary)',
-		'close-color-hover': 'var(--color-content-primary)',
-		'close-border': 'transparent',
-		'close-border-width': 'var(--border-width)',
-		'close-transition-duration': 'var(--duration-fast)',
-		'close-transition-ease': 'var(--ease-default)',
-		'close-focus-ring-offset': '1px',
-		'close-focus-ring-width': 'var(--focus-ring-width)',
-		'close-focus-ring-color': 'var(--focus-ring-color)',
-		'close-disabled-opacity': '0.5'
+		'description-color': 'var(--color-content-secondary)'
+		// `close-*` tokens removed: Drawer.Close composes the canonical
+		// <IconButton>/<Button>, so its chrome lives in button.css.
 	},
 	icon: {
 		size: 'var(--icon-size-md)',
@@ -1805,18 +1792,9 @@ export const THEME_BASE_RECIPE_TOKENS = {
 		// Arrow size — canonical density-aware tokens (NOT soma's hardcoded 10×5).
 		// width ≈ 2.5× height for a balanced triangle; both scale with density/scaling.
 		'arrow-width': 'var(--space-5)',
-		'arrow-height': 'var(--space-2)',
-		'transition-duration': 'var(--duration-fast)',
-		'transition-ease': 'var(--ease-default)',
-		'close-size': 'var(--control-height-xs)',
-		'close-font-size': 'var(--font-size-sm)',
-		'close-radius': 'var(--radius-md)',
-		'close-border-width': 'var(--border-width)',
-		'close-bg': 'transparent',
-		'close-bg-hover': 'color-mix( in srgb, var(--color-neutral-track) 72%, var(--popover-bg) )',
-		'close-color': 'var(--color-content-secondary)',
-		'close-border': 'color-mix(in srgb, var(--color-border-default) 72%, transparent)',
-		'close-border-hover': 'var(--color-border-strong)'
+		'arrow-height': 'var(--space-2)'
+		// `close-*` + `transition-*` tokens removed: Popover.Close composes the
+		// canonical <IconButton>/<Button>, so its chrome lives in button.css.
 	},
 	progress: {
 		'height-xs': '2px',