riot-web/res/css/_common.pcss

/*
Copyright 2024 New Vector Ltd.
Copyright 2019-2023 The Matrix.org Foundation C.I.C
Copyright 2017-2019 New Vector Ltd
Copyright 2017 Vector Creations Ltd
Copyright 2015, 2016 OpenMarket Ltd

SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/

@import url("@vector-im/compound-design-tokens/assets/web/css/compound-design-tokens.css") layer(compound);
@import url("@vector-im/compound-web/dist/style.css");
@import "./_font-sizes.pcss";
@import "./_animations.pcss";
@import "./_spacing.pcss";
@import url("maplibre-gl/dist/maplibre-gl.css");

:root {
    --container-border-width: 8px;
    --container-gap-width: 8px; /* only even numbers should be used because otherwise we get 0.5px margin values. */
    --transition-short: 0.1s;
    --transition-standard: 0.3s;
    --buttons-dialog-gap-row: $spacing-8;
    --buttons-dialog-gap-column: $spacing-8;
    --MBody-border-radius: 8px;

    /* Expected z-indexes for dialogs:
        4000 - Default wrapper index
        4009 - Static dialog background
        4010 - Static dialog itself
        4011 - Standard dialog background
        4012 - Standard dialog itself

       These are set up such that the static dialog always appears
       underneath the standard dialogs.
     */
    --dialog-zIndex-wrapper-default: 4000;
    --dialog-zIndex-static-background: 4009;
    --dialog-zIndex-static: calc(var(--dialog-zIndex-static-background) + 1); /* 4010 */
    --dialog-zIndex-standard-background: calc(var(--dialog-zIndex-static) + 1); /* 4011 */
    --dialog-zIndex-standard: calc(var(--dialog-zIndex-standard-background) + 1); /* 4012 */
}

#matrixchat {
    /* This is required to ensure Compound tooltips correctly draw where they should with z-index: auto */
    contain: strict;
}
#mx_ContextualMenu_Container,
#mx_PersistedElement_container,
#mx_Dialog_Container,
#mx_Dialog_StaticContainer {
    /* This is required to ensure Compound tooltips correctly draw where they should with z-index: auto */
    isolation: isolate;
}

/**
 * We need to increase the specificity of the selector to override the
 * custom property set by the design tokens package
 */
[class^="cpd-theme"][class^="cpd-theme"] {
    /**
     * The design tokens package currently does not expose the fallback fonts
     * We want to keep on re-using `$font-family` to not break custom themes
     * and because we can to use `Twemoji` to display emoji rather than using
     * system ones
     */
    --cpd-font-family-sans: $font-family;
}

@media (prefers-reduced-motion) {
    :root {
        --transition-short: 0;
        --transition-standard: 0;
    }
}

html {
    /* hack to stop overscroll bounce on OSX and iOS.
       N.B. Breaks things when we have legitimate horizontal overscroll */
    height: 100%;
    overflow: hidden;
    /* Stop similar overscroll bounce in Firefox Nightly for macOS */
    overscroll-behavior: none;
}

body {
    font: var(--cpd-font-body-md-regular);
    letter-spacing: var(--cpd-font-letter-spacing-body-md);
    /**
     * We want to apply Inter Dynamic metrics (https://rsms.me/inter/dynmetrics/)
     * We need to tweak the `letter-spacing` property and doing so, disables by
     * default the optional ligatures
     * `font-feature-settings` allows us to override this behaviour and have the
     * correct ligatures and the proper dynamic metric spacing.
     */
    font-feature-settings:
        "kern" 1,
        "liga" 1,
        "calt" 1;

    background-color: $background;
    color: $primary-content;
    border: 0px;
    margin: 0px;

    /* needed to match the designs correctly on macOS */
    /* see https://github.com/vector-im/element-web/issues/11425 */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

pre,
code {
    font-family: $monospace-font-family;
    font-size: 100% !important;
}

.error,
.warning,
.text-error,
.text-warning {
    color: $alert;
}

.text-success {
    color: $accent;
}

.text-muted {
    color: $muted-fg-color;
}

.text-primary {
    color: $primary-content;
}

.text-secondary {
    color: $secondary-content;
}

.mx_Verified {
    color: $e2e-verified-color;
}

.mx_Untrusted {
    color: $e2e-warning-color;
}

b {
    /* On Firefox, the default weight for `<b>` is `bolder` which results in no bold */
    /* effect since we only have specific weights of our fonts available. */
    font-weight: bold;
}

h2 {
    color: $primary-content;
    font: var(--cpd-font-heading-lg-regular);
    letter-spacing: var(--cpd-font-letter-spacing-heading-lg);
    margin-top: 16px;
    margin-bottom: 16px;
}

a:hover,
a:link,
a:visited {
    color: $accent-alt;
}

:not(.mx_no_textinput):not(.mx_textinput):not(.mx_Field) > input[type="text"],
:not(.mx_no_textinput):not(.mx_textinput):not(.mx_Field) > input[type="search"],
:not(.mx_no_textinput):not(.mx_textinput):not(.mx_Field) > input[type="password"] {
    padding: 9px;
    font: var(--cpd-font-body-md-semibold);
    font-weight: var(--cpd-font-weight-semibold);
    min-width: 0;
}

input[type="text"].mx_textinput_icon,
input[type="search"].mx_textinput_icon {
    padding-left: 36px;
    background-repeat: no-repeat;
    background-position: 10px center;
}

/* FIXME THEME - Tint by CSS rather than referencing a duplicate asset */
input[type="text"].mx_textinput_icon.mx_textinput_search,
input[type="search"].mx_textinput_icon.mx_textinput_search {
    background-image: url("@vector-im/compound-design-tokens/icons/search.svg");
}

/* dont search UI as not all browsers support it, */
/* we implement it ourselves where needed instead */
input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-results-button,
input[type="search"]::-webkit-search-results-decoration {
    display: none;
}

/* Override Firefox's UA style so we get a consistent look across browsers */
input::placeholder,
textarea::placeholder {
    opacity: initial;
}

input[type="text"],
input[type="password"],
textarea {
    background-color: transparent;
    color: $primary-content;
}

/* Required by Firefox */
textarea {
    color: $primary-content;
}

input[type="text"]:focus,
input[type="password"]:focus,
textarea:focus {
    outline: none;
    box-shadow: none;
}

/* This is used to hide the standard outline added by browsers for */
/* accessible (focusable) components. Not intended for buttons, but */
/* should be used on things like focusable containers where the outline */
/* is usually not helping anyone. */
*:focus:not(:focus-visible) {
    outline: none;
}

/* override defaults */
fieldset {
    display: inline-block;
    margin-inline: unset;
    padding-block: unset;
    padding-inline: unset;
    min-inline-size: unset;
    border: none;
}

summary {
    cursor: pointer;
}

legend {
    padding-inline: unset;
    border: none;
}

/* .mx_textinput is a container for a text input */
/* + some other controls like buttons, ... */
/* it has the appearance of a text box so the controls */
/* appear to be part of the input */

.mx_Dialog,
.mx_MatrixChat_wrapper {
    .mx_textinput > input[type="text"],
    .mx_textinput > input[type="search"] {
        border: none;
        flex: 1;
        color: $primary-content;
    }

    :not(.mx_textinput):not(.mx_Field):not(.mx_no_textinput) > input[type="text"],
    :not(.mx_textinput):not(.mx_Field):not(.mx_no_textinput) > input[type="search"],
    .mx_textinput {
        display: block;
        box-sizing: border-box;
        background-color: transparent;
        color: $input-darker-fg-color;
        border-radius: 4px;
        border: 1px solid $secondary-hairline-color;
        /* these things should probably not be defined globally */
        margin: 9px;
    }

    .mx_textinput {
        display: flex;
        align-items: center;
    }

    :not(.mx_textinput):not(.mx_Field):not(.mx_no_textinput) > input[type="text"]::placeholder,
    :not(.mx_textinput):not(.mx_Field):not(.mx_no_textinput) > input[type="search"]::placeholder,
    .mx_textinput input::placeholder {
        color: $input-placeholder;
    }
}

/* Prevent ugly dotted highlight around selected elements in Firefox */
::-moz-focus-inner {
    border: 0;
}

/* These are magic constants which are excluded from tinting, to let themes */
/* (which only have CSS) tell the app what their non-tinted */
/* colourscheme is by inspecting the stylesheet DOM. */
/* They are not used for layout!! */
#mx_theme_accentColor {
    color: $accent;
}

#mx_theme_secondaryAccentColor {
    color: $secondary-accent-color;
}

.mx_Dialog_wrapper {
    position: fixed;
    z-index: var(--dialog-zIndex-wrapper-default);
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;

    display: flex;
    align-items: center;
    justify-content: center;
}

.mx_Dialog_border {
    z-index: var(--dialog-zIndex-standard);
    position: relative;
    width: 100%;
    max-width: fit-content;
    box-sizing: border-box;
    max-height: calc(100% - var(--cpd-space-6x));
    display: flex;
    flex-direction: column;

    .mx_Dialog_lightbox & {
        /* The lightbox isn't so much of a dialog as a fullscreen overlay. We
        don't want the glass border. */
        display: contents;
    }
}

.mx_Dialog {
    background-color: $background;
    color: $light-fg-color;
    font-size: $font-15px;
    position: relative;
    padding: var(--cpd-space-8x) var(--cpd-space-10x);
    box-sizing: border-box;
    overflow-y: auto;

    .mx_Dialog_staticWrapper & {
        z-index: var(--dialog-zIndex-static);
        contain: content;
    }

    .mx_Dialog_lightbox & {
        border-radius: 0px;
        background-color: transparent;
        width: 100%;
        height: 100%;
        max-width: 100%;
        max-height: 100%;
        pointer-events: none;
        padding: 0;
    }

    /* Styles copied/inspired by GroupLayout, ReplyTile, and EventTile variants. */
    .markdown-body {
        font: var(--cpd-font-body-md-regular) !important;
        letter-spacing: var(--cpd-font-letter-spacing-body-md);
        font-family: inherit !important;
        white-space: normal !important;
        line-height: inherit !important;
        background-color: inherit;
        color: inherit; /* inherit the colour from the dark or light theme by default (but not for code blocks) */

        pre,
        code {
            font-family: $monospace-font-family !important;
            background-color: $codeblock-background-color;
        }

        /* this selector wrongly applies to code blocks too but we will unset it in the next one */
        code {
            white-space: pre-wrap; /* don't collapse spaces in inline code blocks */
        }

        pre {
            /* have to use overlay rather than auto otherwise Linux and Windows */
            /* Chrome gets very confused about vertical spacing: */
            /* https://github.com/vector-im/vector-web/issues/754 */
            overflow-x: overlay;
            overflow-y: visible;

            &::-webkit-scrollbar-corner {
                background: transparent;
            }

            code {
                white-space: pre; /* we want code blocks to be scrollable and not wrap */

                > * {
                    display: inline;
                }
            }
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: inherit !important;
            color: inherit;
        }

        /* Make h1 and h2 the same size as h3. */
        h1,
        h2 {
            font-size: 1.5em;
            border-bottom: none !important; /* override GFM */
        }

        a {
            color: $accent-alt;
        }

        blockquote {
            border-left: 2px solid $blockquote-bar-color;
            color: $secondary-content;
            border-radius: 2px;
            padding: 0 10px;
        }
    }
}

.mx_Dialog_fixedWidth {
    width: 60vw;
    max-width: 704px;
}

.mx_Dialog_background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: $dialog-backdrop-color;
    z-index: var(--dialog-zIndex-standard-background);

    &.mx_Dialog_staticBackground {
        z-index: var(--dialog-zIndex-static-background);
    }

    .mx_Dialog_wrapperWithStaticUnder & {
        /* Roughly half of what it would normally be - we don't want to black out */
        /* the app, just make it clear that the dialogs are stacked. */
        opacity: 0.4;
    }

    .mx_Dialog_lightbox & {
        opacity: $lightbox-background-bg-opacity;
        background-color: $lightbox-background-bg-color;
        animation-name: mx_Dialog_lightbox_background_keyframes;
        animation-duration: 300ms;
    }
}

.mx_Dialog_titleImage {
    vertical-align: sub;
    width: 25px;
    height: 25px;
    margin-left: -2px;
    margin-right: 4px;
    margin-bottom: 2px;
}

.mx_Dialog_title {
    color: $dialog-title-fg-color;
    display: inline-block;
    width: 100%;
    box-sizing: border-box;
    letter-spacing: var(--cpd-font-letter-spacing-heading-lg);

    &.danger {
        color: $alert;
    }
}

.mx_Dialog_header {
    position: relative;
    padding: 0;
    padding-inline-end: 20px; /* Reserve room for the close button */
    margin-bottom: var(--cpd-space-2x);

    &.mx_Dialog_headerWithButton > .mx_Dialog_title {
        text-align: center;
    }
}

@define-mixin customisedCancelButton {
    cursor: pointer;
    position: relative;
    width: 28px;
    height: 28px;
    border-radius: 14px;
    background-color: var(--cpd-color-bg-subtle-secondary);

    &:hover {
        background-color: var(--cpd-color-bg-subtle-primary);
    }

    &::before {
        content: "";
        width: 28px;
        height: 28px;
        left: 0;
        top: 0;
        position: absolute;
        mask-image: url("@vector-im/compound-design-tokens/icons/close.svg");
        mask-repeat: no-repeat;
        mask-position: center;
        mask-size: 20px;
        background-color: var(--cpd-color-icon-secondary);
    }
}

.mx_Dialog_cancelButton {
    @mixin customisedCancelButton;
    position: absolute;
    top: var(--cpd-space-4x);
    right: var(--cpd-space-4x);
}

.mx_Dialog_content {
    margin: 24px 0 68px;
    font: var(--cpd-font-body-md-regular);
    color: $primary-content;
    word-wrap: break-word;
}

.mx_Dialog_buttons {
    margin-top: $spacing-20;
    margin-inline-start: auto;
    text-align: right;

    .mx_Dialog_buttons_additive {
        /* The consumer is responsible for positioning their elements. */
        float: left;
    }

    .mx_Dialog_buttons_row {
        display: flex;
        flex-wrap: wrap;
        justify-content: flex-end;
        text-align: initial;
        margin-inline-start: auto;

        /* default gap among elements */
        column-gap: var(--buttons-dialog-gap-column);
        row-gap: var(--buttons-dialog-gap-row);

        button {
            margin: 0 !important; /* override the margin settings */
        }
    }
}

@define-mixin mx_DialogButton {
    /* align images in buttons (eg spinners) */
    vertical-align: middle;
    border: 0px;
    border-radius: 24px;
    font: var(--cpd-font-body-md-regular);
    color: $button-fg-color;
    background-color: var(--cpd-color-bg-action-primary-rest);
    width: auto;
    padding: 7px;
    padding-left: 1.5em;
    padding-right: 1.5em;
    cursor: pointer;
    display: inline-block;

    &:not(:focus-visible) {
        outline: none;
    }
}

/* XXX: Our button style are a mess: buttons that happen to appear in dialogs get special styles applied
 * to them that no button anywhere else in the app gets by default. In practice, buttons in other places
 * in the app look the same by being AccessibleButtons, or possibly by having explict button classes.
 * We should go through and have one consistent set of styles for buttons throughout the app.
 * For now, I am duplicating the selectors here for mx_Dialog and mx_DialogButtons.
 *
 * Elements that should not be styled like a dialog button are mentioned in a :not() pseudo-class.
 * For the widest browser support, we use multiple :not pseudo-classes instead of :not(.a, .b).
 */
.mx_Dialog
    button:not(.mx_Dialog_nonDialogButton):not([class|="maplibregl"]):not(.mx_AccessibleButton):not(
        .mx_UserProfileSettings button
    ):not(.mx_ThemeChoicePanel_CustomTheme button):not(.mx_UnpinAllDialog button),
.mx_Dialog input[type="submit"],
.mx_Dialog_buttons button:not(.mx_Dialog_nonDialogButton):not(.mx_AccessibleButton),
.mx_Dialog_buttons input[type="submit"] {
    @mixin mx_DialogButton;
    margin-left: 0px;
    margin-right: var(--buttons-dialog-gap-column);
    margin-bottom: 5px;

    /* flip colours for the secondary ones */
    font-weight: var(--cpd-font-weight-semibold);
    border: 1px solid var(--cpd-color-border-interactive-secondary);
    color: var(--cpd-color-text-primary);
    background-color: transparent;
    font-family: inherit;
}

.mx_Dialog
    button:not(.mx_Dialog_nonDialogButton):not([class|="maplibregl"]):not(.mx_AccessibleButton):not(
        .mx_UserProfileSettings button
    ):not(.mx_ThemeChoicePanel_CustomTheme button):not(.mx_UnpinAllDialog button):last-child {
    margin-right: 0px;
}

.mx_Dialog
    button:not(.mx_Dialog_nonDialogButton):not([class|="maplibregl"]):not(.mx_AccessibleButton):not(
        .mx_UserProfileSettings button
    ):not(.mx_ThemeChoicePanel_CustomTheme button):not(.mx_UnpinAllDialog button):focus,
.mx_Dialog input[type="submit"]:focus,
.mx_Dialog_buttons button:not(.mx_Dialog_nonDialogButton):not(.mx_AccessibleButton):focus,
.mx_Dialog_buttons input[type="submit"]:focus {
    filter: brightness($focus-brightness);
}

.mx_Dialog button.mx_Dialog_primary:not(.mx_Dialog_nonDialogButton):not([class|="maplibregl"]),
.mx_Dialog input[type="submit"].mx_Dialog_primary,
.mx_Dialog_buttons
    button.mx_Dialog_primary:not(.mx_Dialog_nonDialogButton):not(.mx_AccessibleButton):not(
        .mx_UserProfileSettings button
    ):not(.mx_ThemeChoicePanel_CustomTheme button):not(.mx_UnpinAllDialog button),
.mx_Dialog_buttons input[type="submit"].mx_Dialog_primary {
    color: var(--cpd-color-text-on-solid-primary);
    background-color: var(--cpd-color-bg-action-primary-rest);
    border-color: var(--cpd-color-bg-action-primary-rest);
    min-width: 156px;
}

.mx_Dialog button.danger:not(.mx_Dialog_nonDialogButton):not([class|="maplibregl"]),
.mx_Dialog input[type="submit"].danger,
.mx_Dialog_buttons
    button.danger:not(.mx_Dialog_nonDialogButton):not(.mx_AccessibleButton):not(.mx_UserProfileSettings button):not(
        .mx_ThemeChoicePanel_CustomTheme button
    ):not(.mx_UnpinAllDialog button),
.mx_Dialog_buttons input[type="submit"].danger {
    background-color: var(--cpd-color-bg-critical-primary);
    border: solid 1px var(--cpd-color-bg-critical-primary);
    color: var(--cpd-color-text-on-solid-primary);
}

.mx_Dialog button.warning:not(.mx_Dialog_nonDialogButton):not([class|="maplibregl"]),
.mx_Dialog input[type="submit"].warning {
    border: solid 1px var(--cpd-color-border-critical-subtle);
    color: var(--cpd-color-text-critical-primary);
}

.mx_Dialog
    button:not(.mx_Dialog_nonDialogButton):not([class|="maplibregl"]):not(.mx_AccessibleButton):not(
        .mx_UserProfileSettings button
    ):not(.mx_ThemeChoicePanel_CustomTheme button):not(.mx_UnpinAllDialog button):disabled,
.mx_Dialog input[type="submit"]:disabled,
.mx_Dialog_buttons button:not(.mx_Dialog_nonDialogButton):not(.mx_AccessibleButton):disabled,
.mx_Dialog_buttons input[type="submit"]:disabled {
    background-color: $light-fg-color;
    border: solid 1px $light-fg-color;
    opacity: 0.7;
}

/* Spinner Dialog overide */
.mx_Dialog_wrapper.mx_Dialog_spinner {
    /* This is not a real dialog, so we shouldn't show a glass border */
    .mx_Dialog_border {
        display: contents;
    }

    .mx_Dialog {
        inline-size: auto;
        block-size: auto;
        border-radius: 8px;
        padding: 8px;
        box-shadow: none;

        /* Don't show scroll-bars on spinner dialogs */
        overflow-x: hidden;
        overflow-y: hidden;
    }
}

/* TODO: Review mx_GeneralButton usage to see if it can use a different class */
/* These classes were brought in from the old UserSettings and are included here to avoid */
/* breaking the app. */
/* Ref: https://github.com/vector-im/element-web/issues/8420 */
.mx_GeneralButton {
    @mixin mx_DialogButton;
    display: inline;
    margin: auto;
}

.mx_TextInputDialog_label {
    text-align: left;
    padding-bottom: 12px;
}

.mx_TextInputDialog_input {
    font-size: $font-15px;
    border-radius: 3px;
    border: 1px solid $input-border-color;
    padding: 9px;
    color: $primary-content;
    background-color: $background;
}

.mx_button_row {
    margin-top: 69px;
}

/* username colors */
/* used by SenderProfile & RoomPreviewBar */
.mx_Username_color1 {
    color: $username-variant1-color;
}

.mx_Username_color2 {
    color: $username-variant2-color;
}

.mx_Username_color3 {
    color: $username-variant3-color;
}

.mx_Username_color4 {
    color: $username-variant4-color;
}

.mx_Username_color5 {
    color: $username-variant5-color;
}

.mx_Username_color6 {
    color: $username-variant6-color;
}

.mx_AppWarning,
.mx_AppPermission {
    text-align: center;
    display: flex;
    height: 100%;
    flex-direction: column;
    align-items: center;
}

@define-mixin ProgressBarColour $colour {
    color: $colour;
    &::-moz-progress-bar {
        background-color: $colour;
    }
    &::-webkit-progress-value {
        background-color: $colour;
    }
}

@define-mixin ProgressBarBgColour $colour {
    background-color: $colour;
    &::-webkit-progress-bar {
        background-color: $colour;
    }
}

@define-mixin ProgressBarBorderRadius $radius {
    border-radius: $radius;
    &::-moz-progress-bar {
        border-radius: $radius;
    }
    &::-webkit-progress-bar,
    &::-webkit-progress-value {
        border-radius: $radius;
    }
}

@define-mixin unreal-focus {
    outline-width: 2px;
    outline-style: solid;
    outline-color: Highlight;

    /* WebKit gets its native focus styles. */
    @media (-webkit-min-device-pixel-ratio: 0) {
        outline-color: -webkit-focus-ring-color;
        outline-style: auto;
    }
}

@define-mixin ButtonResetDefault {
    appearance: none;
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    font-size: inherit;
    font-family: inherit;
    line-height: inherit;
    cursor: pointer;
}

@define-mixin LegacyCallButton {
    box-sizing: border-box;
    font-weight: var(--cpd-font-weight-semibold);
    height: $font-24px;
    line-height: $font-24px;
    margin-right: 0;

    span {
        display: flex;
        align-items: center;

        &::before {
            content: "";
            display: inline-block;
            background-color: $button-fg-color;
            mask-position: center;
            mask-repeat: no-repeat;
            margin-right: 8px;
        }
    }
}

@define-mixin ThreadRepliesAmount {
    color: $secondary-content;
    font-weight: var(--cpd-font-weight-semibold);
    white-space: nowrap;
    position: relative;
    padding: 0 $spacing-12 0 $spacing-8;
}

@define-mixin ThreadSummaryIcon {
    content: "";
    display: inline-block;
    mask-image: url("@vector-im/compound-design-tokens/icons/threads.svg");
    mask-position: center;
    mask-repeat: no-repeat;
    mask-size: contain;
    height: 18px;
    min-width: 18px;
    background-color: $icon-button-color !important;
}

@define-mixin composerButtonHighLight {
    background: var(--cpd-color-bg-subtle-primary);
    &::before {
        background-color: var(--cpd-color-icon-primary) !important;
    }
}

@define-mixin composerButton $border-radius, $hover-color, $hover-bg {
    --size: 26px;
    position: relative;
    cursor: pointer;
    height: var(--size);
    line-height: var(--size);
    width: auto;
    padding-left: var(--size);
    border-radius: $border-radius;

    &::before {
        content: "";
        position: absolute;
        top: 3px;
        left: 3px;
        height: 20px;
        width: 20px;
        background-color: $icon-button-color;
        mask-repeat: no-repeat;
        mask-size: contain;
        mask-position: center;
        z-index: 2;
    }

    &::after {
        content: "";
        position: absolute;
        left: 0;
        top: 0;
        z-index: 0;
        width: var(--size);
        height: var(--size);
        border-radius: $border-radius;
    }

    &:hover {
        &::after {
            background: $hover-bg;
        }

        &::before {
            background-color: $hover-color;
        }
    }
}

.mx_lineClamp {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: var(--mx-line-clamp, 1);
    overflow: hidden;
}