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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
: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-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);
&[pendingpaint] {
background-repeat: no-repeat;
background-position: center center;
background-size: 30px;
}
browser:is([blank], [pendingpaint]) {
opacity: 0;
}
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);
}
}
.closing-tabs-spacer {
pointer-events: none;
#tabbrowser-arrowscrollbox:not(:hover) > #tabbrowser-arrowscrollbox-periphery > & {
transition: width .15s ease-out;
}
}
.tabbrowser-tab {
--tab-label-mask-size: 2em;
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
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-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;
}
}
.tab-throbber {
&:not([busy]) {
display: none;
}
@media (prefers-reduced-motion: reduce) {
background-position: center;
background-repeat: no-repeat;
-moz-context-properties: fill;
fill: currentColor;
opacity: 0.4;
&[progress] {
opacity: 0.8;
}
}
@media (prefers-reduced-motion: no-preference) {
:root[sessionrestored] & {
&[busy] {
position: relative;
overflow: hidden;
&::before {
content: "";
position: absolute;
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 `[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%); }
}
.tab-icon-pending:is(:not([pendingicon]), [busy], [pinned]) {
display: none;
}
: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;
/* Apply crisp rendering for favicons at exactly 2dppx resolution */
@media (resolution: 2dppx) {
image-rendering: -moz-crisp-edges;
}
&:not([src]),
&:-moz-broken {
}
&[sharing]:not([selected]) {
animation: var(--tab-sharing-icon-animation);
animation-delay: -1.5s;
}
&[selected]:not([src], [pinned], [crashed], [pictureinpicture]),
&:not([src], [pinned], [crashed], [sharing], [pictureinpicture]),
&[busy] {
display: none;
}
}
.tab-sharing-icon-overlay,
.tab-icon-overlay {
display: none;
}
.tab-sharing-icon-overlay[sharing]:not([selected]),
.tab-icon-overlay:is([soundplaying], [muted], [activemedia-blocked], [crashed]) {
display: revert;
}
.tab-sharing-icon-overlay {
position: relative;
-moz-context-properties: fill;
fill: rgb(224, 41, 29);
animation: var(--tab-sharing-icon-animation);
&[sharing="camera"] {
}
&[sharing="microphone"] {
}
&[sharing="screen"] {
}
}
.tab-icon-overlay {
position: relative;
&[crashed] {
}
&:not([crashed]) {
&[soundplaying] {
}
&[muted] {
}
&[activemedia-blocked] {
}
&: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-container {
overflow: hidden;
#tabbrowser-tabs:not([secondarytext-unsupported]) & {
height: 2.7em;
}
&[pinned] {
width: 0;
}
&[textoverflow] {
&[labeldirection=ltr]:not([pinned]),
&:not([labeldirection], [pinned]):-moz-locale-dir(ltr) {
direction: ltr;
mask-image: linear-gradient(to left, transparent, black var(--tab-label-mask-size));
}
&[labeldirection=rtl]:not([pinned]),
&:not([labeldirection], [pinned]):-moz-locale-dir(rtl) {
direction: rtl;
mask-image: linear-gradient(to right, transparent, black var(--tab-label-mask-size));
}
}
}
.tab-label {
margin-inline: 0;
line-height: 1.7; /* override 'normal' in case of fallback math fonts with huge metrics */
white-space: nowrap;
}
.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);
&[pinned],
#tabbrowser-tabs[closebuttons="activetab"] > #tabbrowser-arrowscrollbox > .tabbrowser-tab > .tab-stack > .tab-content > &:not([selected]) {
display: none;
}
}
/* 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;
}
.tab-secondary-label {
font-size: .75em;
margin: -.3em 0 .3em; /* adjust margins to compensate for line-height of .tab-label */
opacity: .8;
#tabbrowser-tabs[secondarytext-unsupported] &,
:root[uidensity=compact] &,
&:not([soundplaying], [muted], [activemedia-blocked], [pictureinpicture]),
&:not([activemedia-blocked]) > .tab-icon-sound-blocked-label,
&[muted][activemedia-blocked] > .tab-icon-sound-blocked-label,
&[activemedia-blocked] > .tab-icon-sound-playing-label,
&[muted] > .tab-icon-sound-playing-label,
&[pictureinpicture] > .tab-icon-sound-playing-label,
&[pictureinpicture] > .tab-icon-sound-muted-label,
&:not([pictureinpicture]) > .tab-icon-sound-pip-label,
&:not([muted]) > .tab-icon-sound-muted-label,
&:not([showtooltip]) > .tab-icon-sound-tooltip-label,
&[showtooltip] > .tab-icon-sound-label:not(.tab-icon-sound-tooltip-label) {
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) {
:root[lwtheme] #TabsToolbar #firefox-view-button[open]:not(:focus-visible) > .toolbarbutton-icon,
:root[lwtheme] .tab-background[selected]:not([multiselected]) {
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]) {
background-image: radial-gradient(circle, var(--attention-dot-color), var(--attention-dot-color) 2px, transparent 2px);
background-position: center bottom 6.5px;
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;
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 {
}
/* All tabs button and menupopup */
#alltabs-button {
}
#tabbrowser-tabs[hiddensoundplaying] ~ #alltabs-button > .toolbarbutton-badge-stack > .toolbarbutton-badge {
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 {
}
.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] {
}
.all-tabs-mute-button[muted] {
}
.all-tabs-close-button {
> .toolbarbutton-icon {
margin-inline: 2px !important; /* override panelUI-shared.css */
}
}
.tab-throbber-tabslist {
height: 16px;
width: 16px;
@media (prefers-reduced-motion: reduce) {
&[busy] {
-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(
);
}
&[progress] {
list-style-image: image-set(
);
/* FIXME: This should probably also apply in regular dark mode? */
:root[lwt-popup="dark"] &[progress]:not([selected]) {
list-style-image: image-set(
);
}
}
}
}