UXP/devtools/client/themes/toolbars.css

/* 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/. */

/* CSS Variables specific to the devtools toolbar that aren't defined by the themes */
.theme-light {
  --toolbar-tab-hover: rgba(170, 170, 170, .2);
  --toolbar-tab-hover-active: rgba(170, 170, 170, .4);
  --searchbox-background-color: #ffee99;
  --searchbox-border-color: #ffbf00;
  --searcbox-no-match-background-color: #ffe5e5;
  --searcbox-no-match-border-color: #e52e2e;
  --magnifying-glass-image: url(chrome://devtools/skin/images/search.svg);
  --filter-image: url(chrome://devtools/skin/images/filter.svg);
  --tool-options-image: url(chrome://devtools/skin/images/tool-options.svg);
  --icon-filter: none;
  --checked-icon-filter: url(chrome://devtools/skin/images/filters.svg#checked-icon-state);
  --toolbar-button-border-color: rgba(170, 170, 170, .5);
}

.theme-dark {
  --toolbar-tab-hover: hsla(206, 37%, 4%, .2);
  --toolbar-tab-hover-active: hsla(206, 37%, 4%, .4);
  --searchbox-background-color: #4d4222;
  --searchbox-border-color: #d99f2b;
  --searcbox-no-match-background-color: #402325;
  --searcbox-no-match-border-color: #cc3d3d;
  --magnifying-glass-image: url(chrome://devtools/skin/images/search.svg);
  --filter-image: url(chrome://devtools/skin/images/filter.svg);
  --tool-options-image: url(chrome://devtools/skin/images/tool-options.svg);
  --icon-filter: invert(1);
  --checked-icon-filter: url(chrome://devtools/skin/images/filters.svg#dark-theme-checked-icon-state);
  --toolbar-button-border-color: rgba(0, 0, 0, .4);
}

.theme-firebug {
  --magnifying-glass-image: url(chrome://devtools/skin/images/search.svg);
  --tool-options-image: url(chrome://devtools/skin/images/firebug/tool-options.svg);
  --icon-filter: none;
  --checked-icon-filter: none;
  --toolbar-button-border-color: rgba(170, 170, 170, .5);
}


/* Toolbars */
.devtools-toolbar,
.devtools-sidebar-tabs tabs {
  -moz-appearance: none;
  padding: 0;
  border-width: 0;
  border-bottom-width: 1px;
  border-style: solid;
  height: 24px;
  line-height: 24px;
  box-sizing: border-box;
}

.devtools-toolbar {
  padding: 0 3px;
}

.devtools-toolbar checkbox {
  margin: 0 2px;
  padding: 0;
  line-height: -moz-block-height;
}

.devtools-toolbar checkbox .checkbox-check {
  margin: 0;
  padding: 0;
  vertical-align: bottom;
}

.devtools-toolbar checkbox .checkbox-label-box {
  border: none !important; /* overrides .checkbox-label-box from checkbox.css */
}

.devtools-toolbar checkbox .checkbox-label-box .checkbox-label {
  margin: 0 6px !important; /* overrides .checkbox-label from checkbox.css */
  padding: 0;
}

.devtools-separator {
  margin: 0 2px;
  width: 2px;
  background-image: linear-gradient(transparent 15%, var(--theme-splitter-color) 15%, var(--theme-splitter-color) 85%, transparent 85%);
  background-size: 1px 100%;
  background-repeat: no-repeat;
  background-position: 0, 1px, 2px;
}

/* In-tools sidebar */
.devtools-sidebar-tabs {
  -moz-appearance: none;
  margin: 0;
  height: 100%;
}

.devtools-sidebar-tabs > tabpanels {
  -moz-appearance: none;
  background: transparent;
  padding: 0;
  border: 0;
}

.theme-light .devtools-sidebar-tabs > tabpanels {
  background: var(--theme-sidebar-background);
  color: var(--theme-body-color);
}

.devtools-sidebar-tabs tabs {
  position: static;
  font: inherit;
  margin-bottom: 0;
  overflow: hidden;
}

.devtools-sidebar-alltabs {
  -moz-appearance: none;
  height: 24px;
  line-height: 24px;
  padding: 0 4px;
  margin: 0;
  border-width: 0 0 1px 0;
  border-inline-start-width: 1px;
  border-style: solid;
}

.devtools-sidebar-alltabs .toolbarbutton-icon {
  display: none;
}

.devtools-sidebar-tabs tabs > .tabs-right,
.devtools-sidebar-tabs tabs > .tabs-left {
  display: none;
}

.devtools-sidebar-tabs tabs > tab {
  -moz-appearance: none;
  /* We want to match the height of a toolbar with a toolbarbutton
   * First, we need to replicated the padding of toolbar (4px),
   * then we need to take the border of the buttons into account (1px).
   */
  padding: 0 3px;
  margin: 0;
  min-width: 78px;
  text-align: center;
  background-color: transparent;
  color: inherit;
  -moz-box-flex: 1;
  border-width: 0;
  border-inline-start-width: 1px;
  border-style: solid;
  border-radius: 0;
  position: static;
  text-shadow: none;
}

.devtools-sidebar-tabs tabs > tab {
  border-image: linear-gradient(transparent 15%, var(--theme-splitter-color) 15%, var(--theme-splitter-color) 85%, transparent 85%) 1 1;
}

.devtools-sidebar-tabs tabs > tab[selected],
.devtools-sidebar-tabs tabs > tab[selected] + tab {
  border-image: linear-gradient(var(--theme-splitter-color), var(--theme-splitter-color)) 1 1;
}

.devtools-sidebar-tabs tabs > tab:first-child {
  border-inline-start-width: 0;
}

.devtools-sidebar-tabs tabs > tab:hover {
  background: rgba(0, 0, 0, 0.12);
}

.devtools-sidebar-tabs tabs > tab:hover:active {
  background: rgba(0, 0, 0, 0.2);
}

.devtools-sidebar-tabs tabs > tab[selected],
.devtools-sidebar-tabs tabs > tab[selected]:hover:active {
  color: var(--theme-selection-color);
  background: var(--theme-selection-background);
}

/* Invert the colors of certain light theme images for displaying
 * inside of the dark theme.
 */
.devtools-tab[icon-invertable] > image,
.devtools-toolbarbutton > image,
.devtools-button::before,
.scrollbutton-up > .toolbarbutton-icon,
.scrollbutton-down > .toolbarbutton-icon,
#black-boxed-message-button .button-icon,
#requests-menu-perf-notice-button .button-icon,
#canvas-debugging-empty-notice-button .button-icon,
#toggle-breakpoints[checked] > image,
.event-tooltip-debugger-icon {
  filter: var(--icon-filter);
}

.hidden-labels-box:not(.visible) > label,
.hidden-labels-box.visible ~ .hidden-labels-box > label:last-child {
  display: none;
}

.devtools-invisible-splitter {
  border-color: transparent;
  background-color: transparent;
}

.devtools-horizontal-splitter,
.devtools-side-splitter {
  background-color: var(--theme-splitter-color);
}