mediawiki-skins-Citizen/resources/skins.citizen.styles/components/Header.less
alistair3149 c7e45177cd
feat(core): update menu transition styles and implementation
Same as the previous commit, the transition is now accessible as a CSS variable (transition-menu)
2023-07-07 17:02:27 -04:00

193 lines
3.8 KiB
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.citizen-header {
--header-icon-size: ~'calc( var( --header-button-size ) / 2 )';
--header-button-size: ~'calc( var( --header-size ) - var( --space-xs ) * 2 )';
--header-direction: row;
position: fixed;
z-index: @z-index-site-header;
right: 0;
bottom: 0;
left: 0;
display: flex;
flex-direction: var( --header-direction );
padding: var( --space-xs );
border-top: 1px solid var( --border-color-base );
background-color: var( --color-surface-0 );
gap: var( --space-xxs );
&__item {
display: flex;
align-items: center;
}
&__button {
display: grid;
width: var( --header-button-size );
height: var( --header-button-size );
border-radius: var( --border-radius--small );
contain: strict;
place-items: center;
transition: var( --transition-hover );
transition-property: background;
// Used in checkbox hack
&Checkbox {
position: absolute;
display: block;
width: inherit;
height: inherit;
contain: strict;
}
// Pure CSS icons
&Icon {
overflow: hidden; // Sometimes CSS animation can clip
width: var( --header-icon-size );
height: var( --header-icon-size );
contain: strict;
}
&Icon,
.citizen-ui-icon {
margin: auto;
}
&Icon,
.citizen-ui-icon::before {
opacity: var( --opacity-icon-base );
transition: var( --transition-hover );
transition-property: transform, opacity;
}
&:hover {
background-color: var( --background-color-quiet--hover );
.citizen-ui-icon::before,
.citizen-header__buttonIcon {
opacity: var( --opacity-icon-base--hover );
}
}
&:active {
background-color: var( --background-color-quiet--active );
.citizen-ui-icon::before,
.citizen-header__buttonIcon {
opacity: var( --opacity-icon-base--active );
}
}
}
&__logo {
padding: 0 var( --space-xs ) 0 0;
border-right: 1px solid var( --border-color-base );
margin: 0 var( --space-xxs );
img {
margin: auto;
}
}
&__inner {
z-index: -1; // Inner element should be behind menu and search
display: flex;
min-width: 0;
flex-direction: var( --header-direction );
flex-grow: 1;
justify-content: space-between;
gap: var( --space-xxs );
.citizen-menu-checkbox-checkbox:checked {
~ .citizen-header__button {
background-color: var( --background-color-primary--active );
}
}
// Hide header menu labels
.citizen-menu__heading {
.mixin-screen-reader-text;
}
}
&__start,
&__end {
display: flex;
flex-direction: var( --header-direction );
gap: var( --space-xxs );
}
&__start {
min-width: 0;
align-items: center;
}
// Reset
ul {
margin: 0;
list-style: none;
}
}
.skin-citizen-dark {
.citizen-header__button {
&Icon {
filter: invert( 1 );
}
}
}
// Notifications
#p-notifications {
ul {
display: flex;
flex-direction: var( --header-direction );
align-items: center;
gap: var( --space-xxs );
}
}
// Reset hover styles if it is a touch device
// This is dumb but hover:hover overrides active states
@media ( hover: none ) {
.citizen-header {
&__button {
&:hover {
background-color: none;
.citizen-header__buttonIcon {
opacity: var( --opacity-icon-base );
}
}
}
}
}
@media ( min-width: @width-breakpoint-desktop ) {
.citizen-header {
--header-direction: column;
top: 0;
right: unset;
left: 0;
border-top: 0;
border-right: 1px solid var( --border-color-base );
&__logo {
padding: 0 0 var( --space-xs ) 0;
border-right: 0;
border-bottom: 1px solid var( --border-color-base );
margin: var( --space-xxs ) 0;
}
}
}
/* Hide header when scroll down on smaller screen sizes */
@media ( max-width: @width-breakpoint-tablet ) {
.citizen-header {
transition: var( --transition-menu );
transition-property: transform;
}
.citizen-scroll--down .citizen-header {
transform: translateY( 100% );
}
}