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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+@namespace html url("http://www.w3.org/1999/xhtml");
+
+:root {
+ --tab-min-height: 36px;
+ &[uidensity=compact] {
+ --tab-min-height: 29px;
+ }
+ &[uidensity=touch] {
+ --tab-min-height: 41px;
+ }
+
+ --inline-tab-padding: 8px;
+ --tab-border-radius: 4px;
+ --tab-shadow-max-size: 6px;
+ --tab-block-margin: 4px;
+
+ --tab-attention-icon-color: AccentColor;
+ &:-moz-lwtheme {
+ --tab-attention-icon-color: light-dark(rgb(42, 195, 162), rgb(84, 255, 189));
+ }
+
+ --tab-selected-textcolor: var(--toolbar-color);
+ --tab-selected-bgcolor: var(--toolbar-bgcolor);
+ --tab-selected-color-scheme: var(--toolbar-color-scheme);
+
+ &[lwt-tab-selected="light"] {
+ --tab-selected-color-scheme: light;
+ }
+ &[lwt-tab-selected="dark"] {
+ --tab-selected-color-scheme: dark;
+ }
+
+ /* --tabpanel-background-color matches $in-content-page-background in newtab
+ (browser/components/newtab/content-src/styles/_variables.scss) */
+ --tabpanel-background-color: #F9F9FB;
+ @media (-moz-content-prefers-color-scheme: dark) {
+ --tabpanel-background-color: #2B2A33;
+ }
+ &[privatebrowsingmode=temporary] {
+ /* Value for --in-content-page-background in aboutPrivateBrowsing.css.
+ !important overrides the direct setting of this variable in
+ ThemeVariableMap.sys.mjs when the user has a theme that defines
+ ntp_background. */
+ --tabpanel-background-color: #25003e !important;
+
+ /* stylelint-disable-next-line media-query-no-invalid */
+ @media (-moz-bool-pref: "browser.privatebrowsing.felt-privacy-v1") {
+ --tabpanel-background-color: linear-gradient(45deg, #722291 0%, #45278D 50%, #393473 100%) !important;
+ }
+ }
+}
+
+#tabbrowser-tabpanels {
+ appearance: none;
+ padding: 0;
+ color-scheme: unset;
+ background: var(--tabpanel-background-color);
+
+ browser[type=content] {
+ color-scheme: env(-moz-content-preferred-color-scheme);
+ }
+}
+
+#tabbrowser-tabs {
+ --tab-min-width: 76px;
+ --tab-loading-fill: #0A84FF;
+ --tab-overflow-pinned-tabs-width: 0px;
+ padding-inline: var(--tab-overflow-pinned-tabs-width) 0;
+ /* Use a bigger flex value than the searchbar to prevent it from
+ * taking all the toolbar space. */
+ flex: 1000 1000;
+
+ &[positionpinnedtabs] > #tabbrowser-arrowscrollbox::part(scrollbox) {
+ /* Add padding to match the shadow's blur radius so the
+ shadow doesn't get clipped when either the first or
+ last tab is selected */
+ padding-inline: var(--tab-shadow-max-size);
+ }
+}
+
+.tabbrowser-tab {
+ appearance: none;
+ background-color: transparent;
+ color: inherit;
+ color-scheme: unset;
+ border-radius: 0;
+ border-width: 0;
+ margin: 0;
+ padding: 0 2px;
+ align-items: stretch;
+ /* Needed so that overflowing content overflows towards the end rather than
+ getting centered. That prevents tab opening animation from looking off at
+ the start, see bug 1759221. */
+ justify-content: flex-start;
+ overflow: clip;
+ /* Needed to avoid clipping the tab-background shadow, which has a 4px blur
+ * (we only have 2px padding in the inline direction) */
+ overflow-clip-margin: 2px;
+
+ &[pinned] {
+ flex-shrink: 0;
+ }
+
+ /* tabbrowser-tab keyboard focus */
+ &.keyboard-focused-tab > .tab-stack > .tab-background,
+ &:focus:not([aria-activedescendant]) > .tab-stack > .tab-background {
+ outline: var(--focus-outline);
+ outline-offset: var(--focus-outline-inset);
+ }
+}
+
+.tab-content {
+ padding: 0 var(--inline-tab-padding);
+ min-width: 0;
+
+ :root:not([uidensity=compact]) &[pinned] {
+ padding: 0 10px;
+ }
+}
+
+@media (prefers-reduced-motion: no-preference) {
+ .tab-loading-burst {
+ border-radius: inherit;
+ position: relative;
+ overflow: hidden;
+
+ &::before {
+ position: absolute;
+ content: "";
+ /* We set the width to be a percentage of the tab's width so that we can use
+ the `scale` transform to scale it up to the full size of the tab when the
+ burst occurs. We also need to set the margin-inline-start so that the
+ center of the burst matches the center of the favicon. */
+ width: 5%;
+ height: 100%;
+ /* Center the burst over the .tab-loading-burst; it's 9px from the edge thanks
+ to .tab-content, plus 8px more since .tab-loading-burst is 16px wide. */
+ margin-inline-start: calc(17px - 2.5%);
+ }
+
+ &[pinned]::before {
+ /* This is like the margin-inline-start rule above, except that icons for
+ pinned tabs are 12px from the edge. */
+ margin-inline-start: calc(20px - 2.5%);
+ }
+
+ &[bursting]::before {
+ background-image: url("chrome://browser/skin/tabbrowser/loading-burst.svg");
+ background-position: center center;
+ background-size: 100% auto;
+ background-repeat: no-repeat;
+ animation: tab-burst-animation 375ms cubic-bezier(0,0,.58,1);
+ -moz-context-properties: fill;
+ fill: var(--tab-loading-fill);
+ }
+
+ &[bursting][notselectedsinceload]::before {
+ animation-name: tab-burst-animation-light;
+ }
+ }
+
+ @keyframes tab-burst-animation {
+ 0% {
+ opacity: 0.4;
+ transform: scale(1);
+ }
+ 100% {
+ opacity: 0;
+ transform: scale(40);
+ }
+ }
+
+ @keyframes tab-burst-animation-light {
+ 0% {
+ opacity: 0.2;
+ transform: scale(1);
+ }
+ 100% {
+ opacity: 0;
+ transform: scale(40);
+ }
+ }
+}
+
+/* Width/height & margins apply on tab icon stack children */
+.tab-throbber,
+.tab-icon-pending,
+.tab-icon-image,
+.tab-sharing-icon-overlay,
+.tab-icon-overlay {
+ height: 16px;
+ width: 16px;
+
+ &:not([pinned]) {
+ margin-inline-end: 5.5px;
+ }
+}
+
+@media (prefers-reduced-motion: reduce) {
+ .tab-throbber[busy] {
+ background-image: url("chrome://browser/skin/tabbrowser/hourglass.svg");
+ background-position: center;
+ background-repeat: no-repeat;
+ -moz-context-properties: fill;
+ fill: currentColor;
+ opacity: 0.4;
+ }
+
+ .tab-throbber[progress] {
+ opacity: 0.8;
+ }
+}
+
+@media (prefers-reduced-motion: no-preference) {
+ :root[sessionrestored] .tab-throbber {
+ &[busy] {
+ position: relative;
+ overflow: hidden;
+
+ &::before {
+ content: "";
+ position: absolute;
+ background-image: url("chrome://browser/skin/tabbrowser/loading.svg");
+ background-position: left center;
+ background-repeat: no-repeat;
+ width: 480px;
+ height: 100%;
+ animation: tab-throbber-animation 1.05s steps(30) infinite;
+ -moz-context-properties: fill;
+
+ /* XXX: It would be nice to transition between the "connecting" color and the
+ "loading" color (see the `.tab-throbber[progress]::before` rule below);
+ however, that currently forces main thread painting. When this is fixed
+ (after WebRender lands), we can do something like
+ `transition: fill 0.333s, opacity 0.333s;` */
+
+ fill: currentColor;
+ opacity: 0.7;
+ }
+
+ &:-moz-locale-dir(rtl)::before {
+ animation-name: tab-throbber-animation-rtl;
+ }
+ }
+
+ &[progress]::before {
+ fill: var(--tab-loading-fill);
+ opacity: 1;
+ }
+
+ #TabsToolbar[brighttext] &[progress]:not([selected])::before {
+ fill: var(--lwt-tab-loading-fill-inactive, #84c1ff);
+ }
+ }
+
+ @keyframes tab-throbber-animation {
+ 0% { transform: translateX(0); }
+ 100% { transform: translateX(-100%); }
+ }
+
+ @keyframes tab-throbber-animation-rtl {
+ 0% { transform: translateX(0); }
+ 100% { transform: translateX(100%); }
+ }
+}
+
+:root {
+ --tab-sharing-icon-animation: 3s linear tab-sharing-icon-pulse infinite;
+}
+
+@keyframes tab-sharing-icon-pulse {
+ 0%, 16.66%, 83.33%, 100% {
+ opacity: 0;
+ }
+ 33.33%, 66.66% {
+ opacity: 1;
+ }
+}
+
+.tab-icon-image {
+ -moz-context-properties: fill;
+ fill: currentColor;
+
+ &:not([src]),
+ &:-moz-broken {
+ content: url("chrome://global/skin/icons/defaultFavicon.svg");
+ }
+
+ &[sharing]:not([selected]) {
+ animation: var(--tab-sharing-icon-animation);
+ animation-delay: -1.5s;
+ }
+}
+
+.tab-sharing-icon-overlay {
+ position: relative;
+ -moz-context-properties: fill;
+ fill: rgb(224, 41, 29);
+ animation: var(--tab-sharing-icon-animation);
+
+ &[sharing="camera"] {
+ list-style-image: url("chrome://browser/skin/notification-icons/camera.svg");
+ }
+
+ &[sharing="microphone"] {
+ list-style-image: url("chrome://browser/skin/notification-icons/microphone.svg");
+ }
+
+ &[sharing="screen"] {
+ list-style-image: url("chrome://browser/skin/notification-icons/screen.svg");
+ }
+}
+
+.tab-icon-overlay {
+ position: relative;
+
+ &[crashed] {
+ list-style-image: url("chrome://browser/skin/tabbrowser/crashed.svg");
+ }
+
+ &:not([crashed]) {
+ &[soundplaying] {
+ list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-playing-small.svg");
+ }
+
+ &[muted] {
+ list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-muted-small.svg");
+ }
+
+ &[activemedia-blocked] {
+ list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-blocked-small.svg");
+ }
+
+ &:is([soundplaying], [muted], [activemedia-blocked]) {
+ border-radius: 10px;
+ -moz-context-properties: fill, fill-opacity, stroke;
+ fill: currentColor;
+ stroke: transparent;
+
+ &:is([pinned], [sharing]):hover {
+ background-color: var(--tab-icon-overlay-stroke, light-dark(white, black));
+ }
+ }
+
+ &:is([pinned], [sharing]) {
+ top: -5.5px;
+ inset-inline-end: -6px;
+ z-index: 1; /* Overlay tab title */
+ padding: 2px;
+ stroke: var(--tab-icon-overlay-stroke, light-dark(white, black));
+ color: var(--tab-icon-overlay-fill, light-dark(black, white));
+ }
+ }
+
+ &[indicator-replaces-favicon] {
+ border-radius: 2px;
+ fill-opacity: 0.75;
+ padding: 2px;
+
+ &:hover {
+ background-color: color-mix(in srgb, currentColor 15%, transparent);
+ fill-opacity: 0.95;
+ }
+
+ &:hover:active {
+ background-color: color-mix(in srgb, currentColor 30%, transparent);
+ }
+ }
+
+ :is(
+ :root[uidensity=compact],
+ #tabbrowser-tabs[secondarytext-unsupported],
+ :root:not([uidensity=compact]) #tabbrowser-tabs:not([secondarytext-unsupported]) .tabbrowser-tab:hover
+ ) .tab-icon-stack[indicator-replaces-favicon] > :not(&),
+ :root:not([uidensity=compact]) #tabbrowser-tabs:not([secondarytext-unsupported]) .tabbrowser-tab:not(:hover) &[indicator-replaces-favicon] {
+ opacity: 0;
+ }
+}
+
+.tab-label {
+ margin-inline: 0;
+}
+
+.tab-close-button {
+ -moz-context-properties: fill, fill-opacity;
+ margin-inline-end: calc(var(--inline-tab-padding) / -2);
+ width: 24px;
+ height: 24px;
+ padding: 6px;
+ border-radius: var(--tab-border-radius);
+ list-style-image: url(chrome://global/skin/icons/close-12.svg);
+}
+
+/* The following rulesets allow showing more of the tab title */
+.tabbrowser-tab:not([labelendaligned], :hover) > .tab-stack > .tab-content > .tab-close-button {
+ padding-inline-start: 0;
+ width: 18px;
+}
+
+.tabbrowser-tab[visuallyselected]:not([labelendaligned]):hover,
+#tabbrowser-tabs:not([closebuttons=activetab]) > #tabbrowser-arrowscrollbox > .tabbrowser-tab:not([visuallyselected], [labelendaligned]):hover {
+ --tab-label-mask-size: 1em;
+}
+
+
+#tabbrowser-tabs:not([secondarytext-unsupported]) .tab-label-container {
+ height: 2.7em;
+}
+
+.tab-secondary-label {
+ font-size: .75em;
+ opacity: .8;
+
+ #tabbrowser-tabs[secondarytext-unsupported] & {
+ display: none;
+ }
+
+ &[soundplaying-scheduledremoval]:not([muted]):not(:hover) {
+ transition: opacity .3s linear var(--soundplaying-removal-delay);
+ opacity: 0;
+ }
+}
+
+.tab-icon-sound-label {
+ /* Set height back to equivalent of parent's 1em based
+ on the .tab-icon-sound having a reduced font-size */
+ height: 1.3333em;
+ white-space: nowrap;
+ margin: 0;
+}
+
+.tab-background {
+ border-radius: var(--tab-border-radius);
+ margin-block: var(--tab-block-margin);
+ min-height: var(--tab-min-height);
+}
+
+/* Selected tab and tab hover */
+
+#TabsToolbar #firefox-view-button:hover:not([open]) > .toolbarbutton-icon,
+.tabbrowser-tab:hover > .tab-stack > .tab-background:not([selected], [multiselected]) {
+ background-color: color-mix(in srgb, currentColor 11%, transparent);
+}
+
+#TabsToolbar #firefox-view-button[open] > .toolbarbutton-icon,
+#tabbrowser-tabs:not([noshadowfortests]) .tab-background:is([selected], [multiselected]) {
+ box-shadow: 0 0 4px rgba(0,0,0,.4);
+}
+
+#TabsToolbar #firefox-view-button[open] > .toolbarbutton-icon,
+.tab-background:is([selected], [multiselected]) {
+ background-color: var(--tab-selected-bgcolor);
+ background-origin: border-box;
+ background-repeat: repeat-x;
+}
+
+#TabsToolbar #firefox-view-button[open] > .toolbarbutton-icon,
+.tabbrowser-tab:is([visuallyselected], [multiselected]) {
+ color: var(--tab-selected-textcolor);
+ color-scheme: var(--tab-selected-color-scheme);
+}
+
+@media (prefers-contrast) {
+ #TabsToolbar #firefox-view-button:is([open], :hover):not(:focus-visible) > .toolbarbutton-icon,
+ .tab-background[selected],
+ .tabbrowser-tab:hover > .tab-stack > .tab-background {
+ outline: 1px solid currentColor;
+ outline-offset: -1px;
+ }
+}
+
+@media not (prefers-contrast) {
+ #TabsToolbar #firefox-view-button[open]:not(:focus-visible) > .toolbarbutton-icon:-moz-lwtheme,
+ .tab-background[selected]:not([multiselected]):-moz-lwtheme {
+ outline: 1px solid var(--lwt-tab-line-color, var(--lwt-tabs-border-color, currentColor));
+ outline-offset: -1px;
+ }
+}
+
+/* Add a focus outline on top of the multiselected tabs, with the currently selected
+ tab getting a slightly thicker outline. */
+.tab-background[multiselected] {
+ outline: 1px solid var(--focus-outline-color);
+ outline-offset: -1px;
+
+ &[selected] {
+ outline-width: 2px;
+ outline-offset: -2px;
+ }
+}
+
+/* Pinned tabs */
+
+.tabbrowser-tab:is([image], [pinned]) > .tab-stack > .tab-content[attention]:not([selected]),
+.tabbrowser-tab > .tab-stack > .tab-content[pinned][titlechanged]:not([selected]),
+#firefox-view-button[attention] {
+ background-image: radial-gradient(circle, var(--tab-attention-icon-color), var(--tab-attention-icon-color) 2px, transparent 2px);
+ background-position: center bottom calc(6.5px + var(--tabs-navbar-shadow-size));
+ background-size: 4px 4px;
+ background-repeat: no-repeat;
+}
+
+.tabbrowser-tab[image] > .tab-stack > .tab-content[attention]:not([pinned], [selected]) {
+ background-position-x: left 14px;
+
+ &:-moz-locale-dir(rtl) {
+ background-position-x: right 14px;
+ }
+}
+
+#tabbrowser-tabs[haspinnedtabs]:not([positionpinnedtabs]) > #tabbrowser-arrowscrollbox > .tabbrowser-tab:nth-child(1 of :not([pinned], [hidden])) {
+ /* Add a gap between the last pinned tab and the first visible tab */
+ margin-inline-start: 12px !important; /* .tabbrowser-tab sets margin: 0 !important; */
+}
+
+.tab-label[attention]:not([selected]) {
+ font-weight: bold;
+}
+
+/* Tab Overflow */
+
+#tabbrowser-arrowscrollbox {
+ &:not([scrolledtostart])::part(overflow-start-indicator),
+ &:not([scrolledtoend])::part(overflow-end-indicator) {
+ width: 7px; /* The width is the sum of the inline margins */
+ background-image: radial-gradient(ellipse at bottom,
+ rgba(0,0,0,0.1) 0%,
+ rgba(0,0,0,0.1) 7.6%,
+ rgba(0,0,0,0) 87.5%);
+ background-repeat: no-repeat;
+ background-position: -3px;
+ border-left: .5px solid rgba(255,255,255,.2);
+ pointer-events: none;
+ position: relative;
+ border-bottom: .5px solid transparent;
+ }
+
+ &:not([scrolledtostart])::part(overflow-start-indicator) {
+ margin-inline: -.5px -6.5px;
+ }
+
+ &:not([scrolledtoend])::part(overflow-end-indicator) {
+ margin-inline: -6.5px -.5px;
+ }
+
+ &:-moz-locale-dir(rtl)::part(overflow-start-indicator),
+ &:-moz-locale-dir(ltr)::part(overflow-end-indicator) {
+ transform: scaleX(-1);
+ }
+
+ &[scrolledtostart]::part(overflow-start-indicator),
+ &[scrolledtoend]::part(overflow-end-indicator) {
+ opacity: 0;
+ }
+
+ &::part(overflow-start-indicator),
+ &::part(overflow-end-indicator) {
+ transition: opacity 150ms ease;
+ }
+
+ &::part(scrollbox-clip) {
+ /* Needed to prevent tabstrip from growing as wide as the sum of the tabs'
+ page-title widths when emulating XUL with modern flexbox. */
+ contain: inline-size;
+ }
+
+ /* Scroll arrows */
+
+ &::part(scrollbutton-up),
+ &::part(scrollbutton-down) {
+ appearance: none;
+ background-clip: padding-box;
+ border: 4px solid transparent;
+ border-radius: calc(var(--tab-border-radius) + 4px);
+ fill: var(--toolbarbutton-icon-fill);
+ margin: 0;
+ padding: 0 calc(var(--toolbarbutton-inner-padding) - 6px);
+ }
+
+ #navigator-toolbox:not(:hover) &:not([highlight])::part(scrollbutton-down) {
+ transition: 1s background-color ease-out;
+ }
+
+ &[highlight]::part(scrollbutton-down) {
+ background-color: SelectedItem;
+ }
+
+ &:not([scrolledtostart=true])::part(scrollbutton-up):hover,
+ &:not([scrolledtoend=true])::part(scrollbutton-down):hover {
+ background-color: var(--toolbarbutton-hover-background);
+ color: inherit;
+ }
+
+ &:not([scrolledtostart=true])::part(scrollbutton-up):hover:active,
+ &:not([scrolledtoend=true])::part(scrollbutton-down):hover:active {
+ background-color: var(--toolbarbutton-active-background);
+ color: inherit;
+ }
+}
+
+/* Tab drag and drop */
+
+.tab-drop-indicator {
+ width: 12px;
+ margin-inline-start: -12px;
+ background: url(chrome://browser/skin/tabbrowser/tab-drag-indicator.svg) no-repeat center;
+ position: relative;
+ z-index: 2;
+ pointer-events: none;
+}
+
+/* Drag space */
+
+.titlebar-spacer[type="pre-tabs"],
+.titlebar-spacer[type="post-tabs"] {
+ width: 40px;
+}
+
+@media (max-width: 500px) {
+ .titlebar-spacer[type="post-tabs"] {
+ display: none;
+ }
+}
+
+/* Firefox View button and menu item */
+
+:root:not([privatebrowsingmode], [firefoxviewhidden]) :is(toolbarbutton, toolbarpaletteitem) + #tabbrowser-tabs,
+:root[privatebrowsingmode]:not([firefoxviewhidden]) :is(
+ toolbarbutton:not(#firefox-view-button),
+ toolbarpaletteitem:not(#wrapper-firefox-view-button)
+) + #tabbrowser-tabs {
+ border-inline-start: 1px solid color-mix(in srgb, currentColor 25%, transparent);
+ padding-inline-start: calc(var(--tab-overflow-pinned-tabs-width) + 2px);
+ margin-inline-start: 2px;
+}
+
+:root[privatebrowsingmode] :is(#firefox-view-button, #menu_openFirefoxView) {
+ display: none;
+}
+
+toolbar:not(#TabsToolbar) #firefox-view-button {
+ background-position: top 25% right 25%;
+
+ /* RTL notification dot */
+ &:-moz-locale-dir(rtl) {
+ background-position-x: left 25%;
+ }
+}
+
+:is(#widget-overflow-mainView, #widget-overflow-fixed-list) #firefox-view-button {
+ background-position: top 25% left 22px;
+
+ &:-moz-locale-dir(rtl) {
+ background-position-x: right 22px;
+ }
+}
+
+/* New tab button */
+
+#tabs-newtab-button,
+#TabsToolbar #new-tab-button {
+ list-style-image: url(chrome://global/skin/icons/plus.svg);
+}
+
+/* All tabs button and menupopup */
+
+#alltabs-button {
+ list-style-image: url(chrome://global/skin/icons/arrow-down.svg);
+}
+
+#tabbrowser-tabs[hiddensoundplaying] ~ #alltabs-button > .toolbarbutton-badge-stack > .toolbarbutton-badge {
+ background: transparent url(chrome://browser/skin/tabbrowser/tab-audio-playing-small.svg);
+ box-shadow: none;
+ /* Match the color of the button, rather than label default. */
+ color: inherit;
+ display: block;
+ -moz-context-properties: fill, fill-opacity, stroke;
+ fill: currentColor;
+ stroke: transparent;
+ /* "!important" is necessary to override the rule in toolbarbutton.css */
+ margin: -7px 0 0 !important;
+ margin-inline-end: -4px !important;
+ min-width: 12px;
+ min-height: 12px;
+}
+
+/* The list of tabs is in its own panel-subview-body which will scroll. We don't
+ want any padding below the scrollbar, so remove the bottom padding
+ from the outer panel-subview-body. */
+#allTabsMenu-allTabsView > .panel-subview-body {
+ padding-bottom: 0;
+}
+
+#allTabsMenu-allTabsView-tabs {
+ padding-top: 0;
+}
+
+.all-tabs-item {
+ margin-inline: var(--arrowpanel-menuitem-margin-inline);
+ border-radius: var(--arrowpanel-menuitem-border-radius);
+
+ &[selected] {
+ font-weight: bold;
+ }
+
+ > toolbarbutton {
+ margin: 0;
+
+ &:hover {
+ background-color: var(--panel-item-hover-bgcolor);
+ }
+
+ &:hover:active {
+ background-color: var(--panel-item-active-bgcolor);
+ }
+
+ &.all-tabs-container-indicator {
+ position: relative;
+ &::before {
+ content: "";
+ position: absolute;
+ inset: 2px -3px;
+ background: var(--identity-tab-color);
+ width: 2px;
+ }
+ }
+ }
+}
+
+.all-tabs-button {
+ list-style-image: url("chrome://global/skin/icons/defaultFavicon.svg");
+}
+
+.all-tabs-secondary-button {
+ -moz-context-properties: fill;
+ fill: currentColor;
+
+ > label {
+ display: none !important; /* override panelUI-shared.css */
+ }
+
+ &:hover {
+ opacity: 1;
+ }
+}
+
+.all-tabs-mute-button[soundplaying] {
+ list-style-image: url(chrome://global/skin/media/audio.svg);
+}
+
+.all-tabs-mute-button[muted] {
+ list-style-image: url(chrome://global/skin/media/audio-muted.svg);
+}
+
+.all-tabs-close-button {
+ list-style-image: url(chrome://global/skin/icons/close-12.svg);
+
+ > .toolbarbutton-icon {
+ margin-inline: 2px !important; /* override panelUI-shared.css */
+ }
+}
+
+.tab-throbber-tabslist {
+ height: 16px;
+ width: 16px;
+
+ @media (prefers-reduced-motion: reduce) {
+ &[busy] {
+ list-style-image: url("chrome://browser/skin/tabbrowser/hourglass.svg");
+ -moz-context-properties: fill;
+ fill: currentColor;
+ opacity: 0.4;
+ }
+
+ &[progress] {
+ opacity: 0.8;
+ }
+ }
+
+ @media (prefers-reduced-motion: no-preference) {
+ &[busy] {
+ list-style-image: image-set(
+ url("chrome://browser/skin/tabbrowser/tab-connecting.png"),
+ url("chrome://browser/skin/tabbrowser/tab-connecting@2x.png") 2x
+ );
+ }
+
+ &[progress] {
+ list-style-image: image-set(
+ url("chrome://browser/skin/tabbrowser/tab-loading.png"),
+ url("chrome://browser/skin/tabbrowser/tab-loading@2x.png") 2x
+ );
+
+ /* FIXME: This should probably also apply in regular dark mode? */
+ :root[lwt-popup="dark"] &[progress]:not([selected]) {
+ list-style-image: image-set(
+ url("chrome://browser/skin/tabbrowser/tab-loading-inverted.png"),
+ url("chrome://browser/skin/tabbrowser/tab-loading-inverted@2x.png") 2x
+ );
+ }
+ }
+ }
+}