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Delete zero usage Sass mixin/variable exports #8031

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merged 10 commits into from
Sep 24, 2024

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@cee-chen cee-chen commented Sep 19, 2024

Summary

The goal of this PR is to reduce potential further usage of our Sass exports and further our Emotion meta (#3912).

I searched through Kibana, Cloud, and Elastic Charts for non-generic Sass mixins/variables with zero to one usages that we could delete from our exports. These are generally all component-specific removals (vs generic EUI color/size variables, which we will likely need to swap out with CSS variables and include a lengthy deprecation period for).

Remaining component Sass vars/mixins to remove

The below are Sass component vars/mixins that have not yet been removed as they are currently in use in Kibana. I plan on investigating and removing uses separately before deprecating them.

  • EuiButton:
  • EuiForm:
    • 28+ $euiForm variables usages - need to dig further into this later 🫠
    • @euiFormControlDefaultShadow - two usages in Kibana
  • EuiPanel
    • @euiPanel - 3 usages in Kibana, should likely replace with the actual component
  • EuiToolTip
    • @euiToolTipStyle - 4 uses in Kibana, should try to replace with actual component
    • @euiToolTipTitle - 1 use in Kibana

Pending external PRs removing singleton usage:

QA

N/A - only Sass files changed. If EUI builds/lints without errors, there should be no issues

General checklist

  • Browser QA - N/A
  • Docs site QA
    • No site documentation updates needed. Deleted variables were component specific and not documented under our theming section
  • Code quality checklist - N/A, Sass changes only
  • Release checklist
    • A changelog entry exists and is marked appropriately.
    • [ ] If applicable, added the breaking change issue label (and filled out the breaking change checklist) I'm open to feedback as to whether folks consider this a breaking change - I'm leaning towards no as we've been removing component-specific Sass variables/mixins the entire time in our Emotion conversion, and this is more of the same.
  • Designer checklist - N/A

@cee-chen cee-chen force-pushed the sass/delete-unused-mixins-vars branch from 0d201a9 to 69dd7d3 Compare September 19, 2024 20:54
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History

@cee-chen cee-chen marked this pull request as ready for review September 19, 2024 21:23
@cee-chen cee-chen requested a review from a team as a code owner September 19, 2024 21:23
Ikuni17 pushed a commit to elastic/kibana that referenced this pull request Sep 24, 2024
…ins (#193472)

## Summary

As part of our ongoing transition towards CSS-in-JS, EUI is cleaning up
and removing several publicly exported Sass mixins and variables with
very low usage (0-1 usages across Kibana and Cloud) (full list in
elastic/eui#8031).

This PR identifies and replaces one of them (`@euiFormControlWithIcon`)
with their functional padding output equivalents (still using generic
EUI Sass variables - there are no plans to immediately deprecate those).

There should be **no UI regressions** in the unified search query bar
compared to main, the right and left padding should remain the same:

<img width="925" alt=""
src="https://github.com/user-attachments/assets/ac6359af-5169-4642-ba7e-64e42cb57749">

### Checklist

Delete any items that are not applicable to this PR.

- [x] This renders correctly on smaller devices using a responsive
layout. (You can test this [in your
browser](https://www.browserstack.com/guide/responsive-testing-on-local-server))
- [x] This was checked for [cross-browser
compatibility](https://www.elastic.co/support/matrix#matrix_browsers)
kibanamachine pushed a commit to kibanamachine/kibana that referenced this pull request Sep 24, 2024
…ins (elastic#193472)

## Summary

As part of our ongoing transition towards CSS-in-JS, EUI is cleaning up
and removing several publicly exported Sass mixins and variables with
very low usage (0-1 usages across Kibana and Cloud) (full list in
elastic/eui#8031).

This PR identifies and replaces one of them (`@euiFormControlWithIcon`)
with their functional padding output equivalents (still using generic
EUI Sass variables - there are no plans to immediately deprecate those).

There should be **no UI regressions** in the unified search query bar
compared to main, the right and left padding should remain the same:

<img width="925" alt=""
src="https://github.com/user-attachments/assets/ac6359af-5169-4642-ba7e-64e42cb57749">

### Checklist

Delete any items that are not applicable to this PR.

- [x] This renders correctly on smaller devices using a responsive
layout. (You can test this [in your
browser](https://www.browserstack.com/guide/responsive-testing-on-local-server))
- [x] This was checked for [cross-browser
compatibility](https://www.elastic.co/support/matrix#matrix_browsers)

(cherry picked from commit b3d28c8)
kibanamachine added a commit to elastic/kibana that referenced this pull request Sep 24, 2024
…ss mixins (#193472) (#193806)

# Backport

This will backport the following commits from `main` to `8.x`:
- [[Unified Search] Remove soon-to-be-deprecated EuiFormControl Sass
mixins (#193472)](#193472)

<!--- Backport version: 9.4.3 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

<!--BACKPORT [{"author":{"name":"Cee
Chen","email":"[email protected]"},"sourceCommit":{"committedDate":"2024-09-24T00:04:45Z","message":"[Unified
Search] Remove soon-to-be-deprecated EuiFormControl Sass mixins
(#193472)\n\n## Summary\r\n\r\nAs part of our ongoing transition towards
CSS-in-JS, EUI is cleaning up\r\nand removing several publicly exported
Sass mixins and variables with\r\nvery low usage (0-1 usages across
Kibana and Cloud) (full list
in\r\nhttps://github.com/elastic/eui/pull/8031).\r\n\r\nThis PR
identifies and replaces one of them (`@euiFormControlWithIcon`)\r\nwith
their functional padding output equivalents (still using generic\r\nEUI
Sass variables - there are no plans to immediately deprecate
those).\r\n\r\nThere should be **no UI regressions** in the unified
search query bar\r\ncompared to main, the right and left padding should
remain the same:\r\n\r\n<img width=\"925\"
alt=\"\"\r\nsrc=\"https://github.com/user-attachments/assets/ac6359af-5169-4642-ba7e-64e42cb57749\">\r\n\r\n###
Checklist\r\n\r\nDelete any items that are not applicable to this
PR.\r\n\r\n- [x] This renders correctly on smaller devices using a
responsive\r\nlayout. (You can test this [in
your\r\nbrowser](https://www.browserstack.com/guide/responsive-testing-on-local-server))\r\n-
[x] This was checked for
[cross-browser\r\ncompatibility](https://www.elastic.co/support/matrix#matrix_browsers)","sha":"b3d28c8290891b42175c335ea22c550392bbca9c","branchLabelMapping":{"^v9.0.0$":"main","^v8.16.0$":"8.x","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:skip","EUI","v9.0.0","v8.16.0","backport:version"],"title":"[Unified
Search] Remove soon-to-be-deprecated EuiFormControl Sass
mixins","number":193472,"url":"https://github.com/elastic/kibana/pull/193472","mergeCommit":{"message":"[Unified
Search] Remove soon-to-be-deprecated EuiFormControl Sass mixins
(#193472)\n\n## Summary\r\n\r\nAs part of our ongoing transition towards
CSS-in-JS, EUI is cleaning up\r\nand removing several publicly exported
Sass mixins and variables with\r\nvery low usage (0-1 usages across
Kibana and Cloud) (full list
in\r\nhttps://github.com/elastic/eui/pull/8031).\r\n\r\nThis PR
identifies and replaces one of them (`@euiFormControlWithIcon`)\r\nwith
their functional padding output equivalents (still using generic\r\nEUI
Sass variables - there are no plans to immediately deprecate
those).\r\n\r\nThere should be **no UI regressions** in the unified
search query bar\r\ncompared to main, the right and left padding should
remain the same:\r\n\r\n<img width=\"925\"
alt=\"\"\r\nsrc=\"https://github.com/user-attachments/assets/ac6359af-5169-4642-ba7e-64e42cb57749\">\r\n\r\n###
Checklist\r\n\r\nDelete any items that are not applicable to this
PR.\r\n\r\n- [x] This renders correctly on smaller devices using a
responsive\r\nlayout. (You can test this [in
your\r\nbrowser](https://www.browserstack.com/guide/responsive-testing-on-local-server))\r\n-
[x] This was checked for
[cross-browser\r\ncompatibility](https://www.elastic.co/support/matrix#matrix_browsers)","sha":"b3d28c8290891b42175c335ea22c550392bbca9c"}},"sourceBranch":"main","suggestedTargetBranches":["8.x"],"targetPullRequestStates":[{"branch":"main","label":"v9.0.0","branchLabelMappingKey":"^v9.0.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/193472","number":193472,"mergeCommit":{"message":"[Unified
Search] Remove soon-to-be-deprecated EuiFormControl Sass mixins
(#193472)\n\n## Summary\r\n\r\nAs part of our ongoing transition towards
CSS-in-JS, EUI is cleaning up\r\nand removing several publicly exported
Sass mixins and variables with\r\nvery low usage (0-1 usages across
Kibana and Cloud) (full list
in\r\nhttps://github.com/elastic/eui/pull/8031).\r\n\r\nThis PR
identifies and replaces one of them (`@euiFormControlWithIcon`)\r\nwith
their functional padding output equivalents (still using generic\r\nEUI
Sass variables - there are no plans to immediately deprecate
those).\r\n\r\nThere should be **no UI regressions** in the unified
search query bar\r\ncompared to main, the right and left padding should
remain the same:\r\n\r\n<img width=\"925\"
alt=\"\"\r\nsrc=\"https://github.com/user-attachments/assets/ac6359af-5169-4642-ba7e-64e42cb57749\">\r\n\r\n###
Checklist\r\n\r\nDelete any items that are not applicable to this
PR.\r\n\r\n- [x] This renders correctly on smaller devices using a
responsive\r\nlayout. (You can test this [in
your\r\nbrowser](https://www.browserstack.com/guide/responsive-testing-on-local-server))\r\n-
[x] This was checked for
[cross-browser\r\ncompatibility](https://www.elastic.co/support/matrix#matrix_browsers)","sha":"b3d28c8290891b42175c335ea22c550392bbca9c"}},{"branch":"8.x","label":"v8.16.0","branchLabelMappingKey":"^v8.16.0$","isSourceBranch":false,"state":"NOT_CREATED"}]}]
BACKPORT-->

Co-authored-by: Cee Chen <[email protected]>
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🚢 🐈‍⬛ Much cleanup, much nice! 🧹 ✨

@@ -1,5 +1,9 @@
@mixin euiToolTipStyle($size: null) {
@include euiBottomShadow($color: $euiColorInk);

$euiTooltipBackgroundColor: tintOrShade($euiColorFullShade, 25%, 100%) !default;
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Nit: Could this be inlined?

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$euiTooltipBorderColor at least is used more than once, so I'm tempted to just leave it as-is. I'll shortly be looking into removing Kibana's usage of this mixin altogether at which point I'll just delete this file entirely.

@cee-chen cee-chen merged commit 46e5f30 into elastic:main Sep 24, 2024
6 checks passed
@cee-chen cee-chen deleted the sass/delete-unused-mixins-vars branch September 24, 2024 16:06
cee-chen added a commit to elastic/kibana that referenced this pull request Oct 4, 2024
`v95.12.0`⏩`v96.1.0`

_[Questions? Please see our Kibana upgrade
FAQ.](https://github.com/elastic/eui/blob/main/wiki/eui-team-processes/upgrading-kibana.md#faq-for-kibana-teams)_

---

## [`v96.0.0`](https://github.com/elastic/eui/releases/v96.0.0)

- Improved `EuiPageHeader`/`EuiPageTemplate.Header`'s responsive UX:
([#8044](elastic/eui#8044))
- `rightSideItems` are no longer pushed to the side by wide `tabs`
content
- `rightSideItems` now wrap more responsively at smaller container
widths
- Updated `EuiDraggable` with a new `usePortal` prop.
([#8048](elastic/eui#8048))
- This prop portals the dragged element to the body, allowing it to
escape stacking contexts which prevents buggy drag positioning in e.g.
popovers, modals, and flyouts.

**Bug fixes**

- Fixed `EuiProvider`'s system color mode detection causing errors
during server-side rendering
([#8040](elastic/eui#8040))
- Fixed an `EuiDataGrid` rendering bug that was causing bouncing
scrollbar issues ([#8041](elastic/eui#8041))
- Fixed `EuiSearchBox` skips input when running with React 18 in Legacy
Mode ([#8047](elastic/eui#8047))

**Deprecations**

- Deprecated `EuiPopover`'s `hasDragDrop` prop. Use `EuiDraggable`'s new
`usePortal` prop instead.
([#8048](elastic/eui#8048))

**Breaking changes**

- Removed the following exported `.css` files:
([#8045](elastic/eui#8045))
  - `@elastic/eui/dist/eui_theme_light.css`
  - `@elastic/eui/dist/eui_theme_light.min.css`
  - `@elastic/eui/dist/eui_theme_dark.css`
  - `@elastic/eui/dist/eui_theme_dark.min.css`
- All EUI components are now on CSS-in-JS. A CSS file/import in
consuming applications is no longer needed, and is safe to remove.
([#8045](elastic/eui#8045))
- Removed all `src/theme/legacy` Sass exports
([#8054](elastic/eui#8054))

**CSS-in-JS conversions**

- Removed the following component-specific Sass variables:
([#8031](elastic/eui#8031))
  - `$euiButtonColorDisabled`
  - `$euiButtonColorDisabledText`
  - `$euiButtonColorGhostDisabled`
  - `$euiButtonFontWeight`
  - `$euiFormControlIconSizes`
  - `$euiFormControlLayoutGroupInputHeight`
  - `$euiFormControlLayoutGroupInputCompressedHeight`
  - `$euiFormControlLayoutGroupInputCompressedBorderRadius`
  - `$euiPageSidebarMinWidth`
  - `$euiPageDefaultMaxWidth`
  - `$euiPanelPaddingModifiers`
  - `$euiPanelBorderRadiusModifiers`
  - `$euiPanelBackgroundColorModifiers`
  - `$euiRangeTrackColor`
  - `$euiRangeHighlightColor`
  - `$euiRangeThumbHeight`
  - `$euiRangeThumbWidth`
  - `$euiRangeThumbBorderColor`
  - `$euiRangeThumbBackgroundColor`
  - `$euiRangeTrackWidth`
  - `$euiRangeTrackHeight`
  - `$euiRangeTrackCompressedHeight`
  - `$euiRangeTrackBorderWidth`
  - `$euiRangeTrackBorderColor`
  - `$euiRangeTrackRadius`
  - `$euiRangeDisabledOpacity`
  - `$euiRangeHighlightHeight`
  - `$euiRangeHighlightCompressedHeight`
  - `$euiRangeHeight`
  - `$euiRangeCompressedHeight`
  - `$euiTooltipAnimations`
  - `$euiTooltipBackgroundColor`
  - `$euiTooltipBorderColor`
- Removed the following Sass mixins due to low external usage:
([#8031](elastic/eui#8031))
  - `euiHoverState`
  - `euiFocusState`
  - `euiDisabledState`
  - `euiInteractiveStates`
  - `euiFormControlStyle`
  - `euiFormControlStyleCompressed`
  - `euiFormControlFocusStyle`
  - `euiFormControlInvalidStyle`
  - `euiFormControlDisabledTextStyle`
  - `euiFormControlDisabledStyle`
  - `euiFormControlReadOnlyStyle`
  - `euiFormControlText`
  - `euiFormControlSize`
  - `euiFormControlGradient`
  - `euiFormControlLayoutPadding`
  - `euiFormControlWithIcon`
  - `euiFormControlIsLoading`
  - `euiFormControlSideBorderRadius`
  - `euiPlaceholderPerBrowser`
  - `euiHiddenSelectableInput`
  - `euiLink`
  - `euiLoadingSpinnerBorderColors`
  - `euiRangeTrackSize`
  - `euiRangeTrackPerBrowser`
  - `euiRangeThumbBorder`
  - `euiRangeThumbBoxShadow`
  - `euiRangeThumbFocusBoxShadow`
  - `euiRangeThumbStyle`
  - `euiRangeThumbPerBrowser`
  - `euiRangeThumbFocus`
  - `euiToolTipAnimation`

## [`v96.1.0`](https://github.com/elastic/eui/releases/v96.1.0)

**CSS-in-JS conversions**

- Removed the following component-specific Sass mixins:
([#8055](elastic/eui#8055))
  - `euiButton`
  - `euiButtonBase`
  - `euiButtonFocus`
  - `euiButtonContent`
  - `euiButtonContentDisabled`
  - `euiButtonDefaultStyle`
  - `euiButtonFillStyle`
  - `euiPanel`
  - `euiFormControlDefaultShadow`
  - `euiToolTipTitle`
cee-chen added a commit to cee-chen/kibana that referenced this pull request Oct 4, 2024
`v95.12.0`⏩`v96.1.0`

_[Questions? Please see our Kibana upgrade
FAQ.](https://github.com/elastic/eui/blob/main/wiki/eui-team-processes/upgrading-kibana.md#faq-for-kibana-teams)_

---

## [`v96.0.0`](https://github.com/elastic/eui/releases/v96.0.0)

- Improved `EuiPageHeader`/`EuiPageTemplate.Header`'s responsive UX:
([elastic#8044](elastic/eui#8044))
- `rightSideItems` are no longer pushed to the side by wide `tabs`
content
- `rightSideItems` now wrap more responsively at smaller container
widths
- Updated `EuiDraggable` with a new `usePortal` prop.
([elastic#8048](elastic/eui#8048))
- This prop portals the dragged element to the body, allowing it to
escape stacking contexts which prevents buggy drag positioning in e.g.
popovers, modals, and flyouts.

**Bug fixes**

- Fixed `EuiProvider`'s system color mode detection causing errors
during server-side rendering
([elastic#8040](elastic/eui#8040))
- Fixed an `EuiDataGrid` rendering bug that was causing bouncing
scrollbar issues ([elastic#8041](elastic/eui#8041))
- Fixed `EuiSearchBox` skips input when running with React 18 in Legacy
Mode ([elastic#8047](elastic/eui#8047))

**Deprecations**

- Deprecated `EuiPopover`'s `hasDragDrop` prop. Use `EuiDraggable`'s new
`usePortal` prop instead.
([elastic#8048](elastic/eui#8048))

**Breaking changes**

- Removed the following exported `.css` files:
([elastic#8045](elastic/eui#8045))
  - `@elastic/eui/dist/eui_theme_light.css`
  - `@elastic/eui/dist/eui_theme_light.min.css`
  - `@elastic/eui/dist/eui_theme_dark.css`
  - `@elastic/eui/dist/eui_theme_dark.min.css`
- All EUI components are now on CSS-in-JS. A CSS file/import in
consuming applications is no longer needed, and is safe to remove.
([elastic#8045](elastic/eui#8045))
- Removed all `src/theme/legacy` Sass exports
([elastic#8054](elastic/eui#8054))

**CSS-in-JS conversions**

- Removed the following component-specific Sass variables:
([elastic#8031](elastic/eui#8031))
  - `$euiButtonColorDisabled`
  - `$euiButtonColorDisabledText`
  - `$euiButtonColorGhostDisabled`
  - `$euiButtonFontWeight`
  - `$euiFormControlIconSizes`
  - `$euiFormControlLayoutGroupInputHeight`
  - `$euiFormControlLayoutGroupInputCompressedHeight`
  - `$euiFormControlLayoutGroupInputCompressedBorderRadius`
  - `$euiPageSidebarMinWidth`
  - `$euiPageDefaultMaxWidth`
  - `$euiPanelPaddingModifiers`
  - `$euiPanelBorderRadiusModifiers`
  - `$euiPanelBackgroundColorModifiers`
  - `$euiRangeTrackColor`
  - `$euiRangeHighlightColor`
  - `$euiRangeThumbHeight`
  - `$euiRangeThumbWidth`
  - `$euiRangeThumbBorderColor`
  - `$euiRangeThumbBackgroundColor`
  - `$euiRangeTrackWidth`
  - `$euiRangeTrackHeight`
  - `$euiRangeTrackCompressedHeight`
  - `$euiRangeTrackBorderWidth`
  - `$euiRangeTrackBorderColor`
  - `$euiRangeTrackRadius`
  - `$euiRangeDisabledOpacity`
  - `$euiRangeHighlightHeight`
  - `$euiRangeHighlightCompressedHeight`
  - `$euiRangeHeight`
  - `$euiRangeCompressedHeight`
  - `$euiTooltipAnimations`
  - `$euiTooltipBackgroundColor`
  - `$euiTooltipBorderColor`
- Removed the following Sass mixins due to low external usage:
([elastic#8031](elastic/eui#8031))
  - `euiHoverState`
  - `euiFocusState`
  - `euiDisabledState`
  - `euiInteractiveStates`
  - `euiFormControlStyle`
  - `euiFormControlStyleCompressed`
  - `euiFormControlFocusStyle`
  - `euiFormControlInvalidStyle`
  - `euiFormControlDisabledTextStyle`
  - `euiFormControlDisabledStyle`
  - `euiFormControlReadOnlyStyle`
  - `euiFormControlText`
  - `euiFormControlSize`
  - `euiFormControlGradient`
  - `euiFormControlLayoutPadding`
  - `euiFormControlWithIcon`
  - `euiFormControlIsLoading`
  - `euiFormControlSideBorderRadius`
  - `euiPlaceholderPerBrowser`
  - `euiHiddenSelectableInput`
  - `euiLink`
  - `euiLoadingSpinnerBorderColors`
  - `euiRangeTrackSize`
  - `euiRangeTrackPerBrowser`
  - `euiRangeThumbBorder`
  - `euiRangeThumbBoxShadow`
  - `euiRangeThumbFocusBoxShadow`
  - `euiRangeThumbStyle`
  - `euiRangeThumbPerBrowser`
  - `euiRangeThumbFocus`
  - `euiToolTipAnimation`

## [`v96.1.0`](https://github.com/elastic/eui/releases/v96.1.0)

**CSS-in-JS conversions**

- Removed the following component-specific Sass mixins:
([elastic#8055](elastic/eui#8055))
  - `euiButton`
  - `euiButtonBase`
  - `euiButtonFocus`
  - `euiButtonContent`
  - `euiButtonContentDisabled`
  - `euiButtonDefaultStyle`
  - `euiButtonFillStyle`
  - `euiPanel`
  - `euiFormControlDefaultShadow`
  - `euiToolTipTitle`

(cherry picked from commit 19e37bf)

# Conflicts:
#	packages/kbn-securitysolution-exception-list-components/src/list_header/__snapshots__/list_header.test.tsx.snap
tiansivive pushed a commit to tiansivive/kibana that referenced this pull request Oct 7, 2024
`v95.12.0`⏩`v96.1.0`

_[Questions? Please see our Kibana upgrade
FAQ.](https://github.com/elastic/eui/blob/main/wiki/eui-team-processes/upgrading-kibana.md#faq-for-kibana-teams)_

---

## [`v96.0.0`](https://github.com/elastic/eui/releases/v96.0.0)

- Improved `EuiPageHeader`/`EuiPageTemplate.Header`'s responsive UX:
([elastic#8044](elastic/eui#8044))
- `rightSideItems` are no longer pushed to the side by wide `tabs`
content
- `rightSideItems` now wrap more responsively at smaller container
widths
- Updated `EuiDraggable` with a new `usePortal` prop.
([elastic#8048](elastic/eui#8048))
- This prop portals the dragged element to the body, allowing it to
escape stacking contexts which prevents buggy drag positioning in e.g.
popovers, modals, and flyouts.

**Bug fixes**

- Fixed `EuiProvider`'s system color mode detection causing errors
during server-side rendering
([elastic#8040](elastic/eui#8040))
- Fixed an `EuiDataGrid` rendering bug that was causing bouncing
scrollbar issues ([elastic#8041](elastic/eui#8041))
- Fixed `EuiSearchBox` skips input when running with React 18 in Legacy
Mode ([elastic#8047](elastic/eui#8047))

**Deprecations**

- Deprecated `EuiPopover`'s `hasDragDrop` prop. Use `EuiDraggable`'s new
`usePortal` prop instead.
([elastic#8048](elastic/eui#8048))

**Breaking changes**

- Removed the following exported `.css` files:
([elastic#8045](elastic/eui#8045))
  - `@elastic/eui/dist/eui_theme_light.css`
  - `@elastic/eui/dist/eui_theme_light.min.css`
  - `@elastic/eui/dist/eui_theme_dark.css`
  - `@elastic/eui/dist/eui_theme_dark.min.css`
- All EUI components are now on CSS-in-JS. A CSS file/import in
consuming applications is no longer needed, and is safe to remove.
([elastic#8045](elastic/eui#8045))
- Removed all `src/theme/legacy` Sass exports
([elastic#8054](elastic/eui#8054))

**CSS-in-JS conversions**

- Removed the following component-specific Sass variables:
([elastic#8031](elastic/eui#8031))
  - `$euiButtonColorDisabled`
  - `$euiButtonColorDisabledText`
  - `$euiButtonColorGhostDisabled`
  - `$euiButtonFontWeight`
  - `$euiFormControlIconSizes`
  - `$euiFormControlLayoutGroupInputHeight`
  - `$euiFormControlLayoutGroupInputCompressedHeight`
  - `$euiFormControlLayoutGroupInputCompressedBorderRadius`
  - `$euiPageSidebarMinWidth`
  - `$euiPageDefaultMaxWidth`
  - `$euiPanelPaddingModifiers`
  - `$euiPanelBorderRadiusModifiers`
  - `$euiPanelBackgroundColorModifiers`
  - `$euiRangeTrackColor`
  - `$euiRangeHighlightColor`
  - `$euiRangeThumbHeight`
  - `$euiRangeThumbWidth`
  - `$euiRangeThumbBorderColor`
  - `$euiRangeThumbBackgroundColor`
  - `$euiRangeTrackWidth`
  - `$euiRangeTrackHeight`
  - `$euiRangeTrackCompressedHeight`
  - `$euiRangeTrackBorderWidth`
  - `$euiRangeTrackBorderColor`
  - `$euiRangeTrackRadius`
  - `$euiRangeDisabledOpacity`
  - `$euiRangeHighlightHeight`
  - `$euiRangeHighlightCompressedHeight`
  - `$euiRangeHeight`
  - `$euiRangeCompressedHeight`
  - `$euiTooltipAnimations`
  - `$euiTooltipBackgroundColor`
  - `$euiTooltipBorderColor`
- Removed the following Sass mixins due to low external usage:
([elastic#8031](elastic/eui#8031))
  - `euiHoverState`
  - `euiFocusState`
  - `euiDisabledState`
  - `euiInteractiveStates`
  - `euiFormControlStyle`
  - `euiFormControlStyleCompressed`
  - `euiFormControlFocusStyle`
  - `euiFormControlInvalidStyle`
  - `euiFormControlDisabledTextStyle`
  - `euiFormControlDisabledStyle`
  - `euiFormControlReadOnlyStyle`
  - `euiFormControlText`
  - `euiFormControlSize`
  - `euiFormControlGradient`
  - `euiFormControlLayoutPadding`
  - `euiFormControlWithIcon`
  - `euiFormControlIsLoading`
  - `euiFormControlSideBorderRadius`
  - `euiPlaceholderPerBrowser`
  - `euiHiddenSelectableInput`
  - `euiLink`
  - `euiLoadingSpinnerBorderColors`
  - `euiRangeTrackSize`
  - `euiRangeTrackPerBrowser`
  - `euiRangeThumbBorder`
  - `euiRangeThumbBoxShadow`
  - `euiRangeThumbFocusBoxShadow`
  - `euiRangeThumbStyle`
  - `euiRangeThumbPerBrowser`
  - `euiRangeThumbFocus`
  - `euiToolTipAnimation`

## [`v96.1.0`](https://github.com/elastic/eui/releases/v96.1.0)

**CSS-in-JS conversions**

- Removed the following component-specific Sass mixins:
([elastic#8055](elastic/eui#8055))
  - `euiButton`
  - `euiButtonBase`
  - `euiButtonFocus`
  - `euiButtonContent`
  - `euiButtonContentDisabled`
  - `euiButtonDefaultStyle`
  - `euiButtonFillStyle`
  - `euiPanel`
  - `euiFormControlDefaultShadow`
  - `euiToolTipTitle`
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