mediawiki-skins-MinervaNeue/resources/skins.minerva.base.styles/CSSCustomProperties.less
Jon Robson 853dcf1917 Force light theme in print styles
Bug: T366362
Change-Id: I9e10577aa2a88e96d111cdd29f9fa7baafff87d8
2024-07-03 16:05:19 +00:00

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3.9 KiB
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/**
* Minerva CSS Custom properties
* ----------------------------
* Please be aware that these properties are accessible via *any* client-side code.
* These variables should mirror Codex design token names and values:
* https://doc.wikimedia.org/codex/latest/design-tokens
* Only include properties that are required for client-side modification.
*
* @private - Currently, these variables are only intended for use by Minerva,
* however, they are designed to mimic the naming convention in Codex tokens
* in order to facilitate an eventual migration to a centralized source.
* @experimental
* @since February 2024 (MediaWiki 1.43)
*/
@import 'mediawiki.skin.variables.less';
@import 'mediawiki.skin.codex-design-tokens/theme-wikimedia-ui-mixin-dark.less';
@import 'mediawiki.skin.codex-design-tokens/theme-wikimedia-ui-reset.less';
/**
* Placeholder Night mode color palette.
* NOTE: These values are temporarily hard coded.
*/
.mixin-night-mode-palette() {
.cdx-mode-dark();
}
/**
* == Night-mode helpers ==
* The following classes are provided to help third-parties deal with night mode when using the
* CSS color variables is not feasible.
*
* .skin-invert - This class implements an inverted night-mode effect on applied elements using
* a CSS filter instead of CSS custom properties. For this effect to work, the light mode palette
* has to be applied to avoid inverting night-mode colors.
*
* .notheme - This class prevents night mode from being applied to a specific element. It needs the
* the light mode color palette, and includes an opinionated color: @color-base; rule
* since the main assumption underlying the light theme is black text.
*/
/**
* Light mode
*
* Applies the light mode color palette by default
* or with the .skin-invert, or .notheme classes
*/
:root,
.skin-invert,
.notheme {
.cdx-mode-reset();
}
.skin-invert,
.notheme {
color-scheme: light;
color: @color-base;
}
/**
* == Forced night mode ==
* Applies the night mode color palette per the users explicit preference,
* regardless of system settings.
*/
@media screen {
html.skin-theme-clientpref-night {
color-scheme: dark;
.mixin-night-mode-palette();
.skin-invert,
.skin-invert-image img,
/* Special treatment of inverted OOUI icons, see T365764 */
.oo-ui-iconElement-icon:not( .oo-ui-image-progressive ):not( .oo-ui-image-destructive ):not( .oo-ui-checkboxInputWidget-checkIcon ):not( .oo-ui-image-invert ):not( .mw-no-invert ),
.oo-ui-indicatorElement-indicator {
filter: invert( 1 ) hue-rotate( 180deg );
}
/* Do not apply invert to elements that are inside a notheme or a skin-invert class to avoid inversion in light theme or
double inversion in an already inverted element */
.skin-invert,
.notheme {
.oo-ui-iconElement-icon:not( .oo-ui-image-progressive ):not( .oo-ui-image-destructive ):not( .oo-ui-checkboxInputWidget-checkIcon ):not( .oo-ui-image-invert ):not( .mw-no-invert ),
.oo-ui-indicatorElement-indicator {
filter: none !important;
}
}
}
}
/**
* == Auto night mode ==
* Applies the night mode color palette only in response to system settings.
*/
@media screen and ( prefers-color-scheme: dark ) {
html.skin-theme-clientpref-os {
color-scheme: light dark;
.mixin-night-mode-palette();
.skin-invert,
.skin-invert-image img,
.oo-ui-iconElement-icon:not( .oo-ui-image-progressive ):not( .oo-ui-image-destructive ):not( .oo-ui-checkboxInputWidget-checkIcon ),
.oo-ui-indicatorElement-indicator {
filter: invert( 1 ) hue-rotate( 180deg );
}
/* Do not apply invert to elements that are inside a notheme or a skin-invert class to avoid inversion in light theme or
double inversion in an already inverted element */
.skin-invert,
.notheme {
.oo-ui-iconElement-icon:not( .oo-ui-image-progressive ):not( .oo-ui-image-destructive ):not( .oo-ui-checkboxInputWidget-checkIcon ),
.oo-ui-indicatorElement-indicator {
filter: none !important;
}
}
}
}