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radio.less
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@import 'mediawiki.skin.variables.less';
@import 'mediawiki.mixins.less';
// Form input sizes, equal to OOUI at 14px base font-size
@size-input-binary: 1.5625em;
// Checked radio input `border-width`, in pixel as both the background and the dot are signals.
// Equal to OOUI.
@border-width-input-radio--checked: 6px;
// Radio
//
// Styling radios in a way that works cross browser is a tricky problem to solve.
// In MediaWiki UI put a radio and label inside a mw-ui-radio div.
// You should give the radio and label matching "id" and "for" attributes, respectively.
//
// Markup:
// <div class="mw-ui-radio">
// <input type="radio" id="component-example-4" name="component-example-4">
// <label for="component-example-4">Standard radio</label>
// </div>
// <div class="mw-ui-radio">
// <input type="radio" id="component-example-4-checked" name="component-example-4" checked>
// <label for="component-example-4-checked">Standard checked radio</label>
// </div>
// <div class="mw-ui-radio">
// <input type="radio" id="component-example-4-disabled" name="component-example-4-disabled" disabled>
// <label for="component-example-4-disabled">Disabled radio</label>
// </div>
// <div class="mw-ui-radio">
// <input type="radio" id="component-example-4-disabled-checked" name="component-example-4-disabled" disabled checked>
// <label for="component-example-4-disabled-checked">Disabled checked radio</label>
// </div>
.mw-ui-radio {
display: inline-block;
vertical-align: middle;
}
// We disable this styling on JavaScript disabled devices. This fixes the issue with
// Opera Mini where checking/unchecking doesn't apply styling but potentially leaves other
// more capable browsers with unstyled radio buttons.
.client-js .mw-ui-radio {
// Position relatively so we can make use of absolute pseudo elements
position: relative;
line-height: @size-input-binary;
* {
// reset font sizes (see T74727)
font-size: inherit;
vertical-align: middle;
}
[ type='radio' ] {
// ensure the invisible radio takes up the required width
width: @size-input-binary;
height: @size-input-binary;
// This is needed for Firefox mobile (See T73750 to workaround default Firefox stylesheet)
max-width: none;
// Hide `input[ type=radio ]` and instead style the label that follows
// Support: VoiceOver. Use `opacity` so that VoiceOver can still identify the radio
opacity: 0;
& + label {
padding-left: 0.4em;
// Pseudo `:before` element of the label after the radio now looks like a radio
&::before {
content: '';
background-color: @background-color-base;
box-sizing: border-box;
position: absolute;
left: 0;
width: @size-input-binary;
height: @size-input-binary;
border-width: @border-width-base;
border-style: @border-style-base;
border-radius: @border-radius-circle;
}
// Needed for `:focus` state's inner white circle
&::after {
content: ' ';
position: absolute;
top: 2px; // `px` unit due to pixel rounding error when using `@size-input-binary / 4`
left: 2px;
width: 1.14285em; // equals `@size-input-binary - 4px`
height: 1.14285em;
border: @border-width-base @border-style-base @border-color-transparent;
border-radius: @border-radius-circle;
}
}
// Apply a dot on the pseudo `:before` element when the input is checked
&:checked + label::before {
border-width: @border-width-input-radio--checked;
}
&:enabled {
& + label::before {
border-color: @border-color-input-binary;
transition-property: @transition-property-base;
transition-duration: @transition-duration-base;
}
&:hover {
cursor: @cursor-base--hover;
}
&:hover + label::before {
border-color: @border-color-input-binary--hover;
cursor: @cursor-base--hover;
}
&:active + label::before {
background-color: @background-color-progressive--active;
border-color: @border-color-progressive--active;
}
&:checked {
& + label::before {
border-color: @border-color-input-binary--checked;
}
&:focus + label::after {
border-color: @border-color-inverted;
}
&:hover + label::before {
border-color: @border-color-input-binary--hover;
}
&:active {
& + label::before {
border-color: @border-color-progressive--active;
box-shadow: @box-shadow-inset-small @box-shadow-color-progressive--active;
}
& + label::after {
border-color: @border-color-progressive--active;
}
}
}
}
&:disabled {
& + label::before {
background-color: @background-color-disabled;
border-color: @border-color-disabled;
}
&:checked + label::before {
background-color: #fff;
}
}
}
}

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Aug 19 2026, 20:13 (7 w, 1 d ago)
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radio.less (4 KB)

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