wikimedia/mediawiki-core

// Inputs

@import 'mediawiki.skin.variables.less';
@import 'mediawiki.mixins.less';

// Text inputs
//
// Apply the mw-ui-input class to input and textarea fields.

// mw-ui-input
//
// Style an input using MediaWiki UI.
// Currently in draft status and subject to change.
// When focused a progressive highlight appears to the left of the field.
//
// Markup:
// <input class="mw-ui-input" placeholder="Enter your name">
// <textarea class="mw-ui-input">Text here</textarea>
.mw-ui-input {
    box-sizing: border-box;
    display: block;
    width: 100%;
    border-width: @border-width-base;
    border-style: @border-style-base;
    border-radius: @border-radius-base;
    padding: 6px 8px;
    // `@box-shadow-color-transparent` necessary for smooth transition.
    box-shadow: @box-shadow-inset-small @box-shadow-color-transparent;
    font-family: inherit;
    font-size: inherit;
    line-height: 1.28571429em;
    vertical-align: middle;

    // Normalize & style placeholder text, see T139034
    .mixin-placeholder( {
        color: @color-placeholder;
        opacity: @opacity-base;
    } );

    // Firefox: Remove red outline when `required` attribute set and invalid content.
    // See https://developer.mozilla.org/en-US/docs/Web/CSS/:invalid
    // This should come before `:focus` so latter rules take preference.
    &:invalid {
        box-shadow: none;
    }

    &:not( :disabled ) {
        background-color: @background-color-base;
        color: @color-emphasized;
        border-color: @border-color-base;
        transition-property: @transition-property-base;
        transition-duration: @transition-duration-medium;

        &:hover {
            border-color: @border-color-input--hover;
        }

        &:focus {
            border-color: @border-color-progressive--focus;
            box-shadow: @box-shadow-inset-small @box-shadow-color-progressive--focus;
            outline: @outline-base--focus;
        }
    }

    &:disabled {
        background-color: @background-color-disabled-subtle;
        color: @color-disabled;
        border-color: @border-color-disabled;
    }

    // Normalize styling for `<input type="search">`
    &[ type='search' ] {
        // Support: Safari/iOS `none` needed, Chrome would accept `textfield` as well.
        /* stylelint-disable-next-line plugin/no-unsupported-browser-features */
        -webkit-appearance: none;
        // Support: Firefox.
        /* stylelint-disable-next-line plugin/no-unsupported-browser-features */
        -moz-appearance: textfield;

        // Remove proprietary clear button in IE 10-11, Edge 12+
        &::-ms-clear {
            display: none;
        }

        // Remove the inner padding and cancel buttons in Chrome on OS X and Safari on OS X
        &::-webkit-search-cancel-button,
        &::-webkit-search-decoration {
            /* stylelint-disable-next-line plugin/no-unsupported-browser-features */
            -webkit-appearance: none;
        }
    }
}

textarea.mw-ui-input {
    min-height: 8em;
}

// mw-ui-input-inline
//
// Use mw-ui-input-inline with mw-ui-input in cases where you want a button to line up with the input.
//
// Markup:
// <input class="mw-ui-input mw-ui-input-inline">
// <button class="mw-ui-button mw-ui-progressive">Submit</button>
.mw-ui-input-inline {
    display: inline-block;
    width: auto;
    // Make sure we limit `width` to parent element because
    // in case of text `input` fields, `width: auto;` equals `size` attribute.
    max-width: 100%;
}

// mw-ui-input-large
//
// Use mw-ui-input-large with mw-ui-input in cases where there are multiple inputs on a screen and you
// want to draw attention to one instance. For example, replying with a subject line and more text.
// Currently in draft status and subject to change. When used on an input field, the text is styled
// in a large font. When used alongside another mw-ui-input large they are pushed together to form one
// contiguous block.
//
// Markup:
// <input value="input" class="mw-ui-input mw-ui-input-large" value="input" placeholder="Enter subject">
// <textarea class="mw-ui-input mw-ui-input-large" placeholder="Provide additional details"></textarea>
.mw-ui-input-large {
    margin-top: 0;
    margin-bottom: 0;

    // When two large inputs are together, we make them flush by hiding one of the borders
    & + .mw-ui-input-large {
        margin-top: -@position-offset-border-width-base;
    }
    // When focusing, make the input relative to raise it above any attached inputs to unhide its borders
    &:focus {
        position: relative;
    }
}

input.mw-ui-input-large {
    padding: 8px;
    font-size: 1.75em;
    font-weight: bold;
    line-height: 1.25em;
}