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zen-desktop/src/zen/tabs/zen-tabs/vertical-tabs.css

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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/.
*/
/* ==========================================================================
Initial Setup & Layout Changes for Vertical Tabs
========================================================================== */
/* Ensure tabs, toolbar, and titlebar stack vertically */
#tabbrowser-tabs,
#TabsToolbar,
#titlebar,
#TabsToolbar-customization-target {
flex-direction: column;
height: 100%; /* Make sure they take up full height */
}
/* ==========================================================================
Single Toolbar Mode Specific Styles (`zen-single-toolbar='true'`)
========================================================================== */
:root[zen-single-toolbar='true'] {
/* Define and apply a smaller toolbar height for single toolbar mode */
& #zen-appcontent-navbar-container,
& #zen-sidebar-top-buttons {
--zen-toolbar-height: 32px;
height: var(--zen-toolbar-height);
}
/* Specific styling for macOS when the three-dot menu is hidden */
@media (-moz-platform: macos) and (not -moz-pref('zen.view.mac.show-three-dot-menu')) {
/* Hide the PanelUI (hamburger) button when not customizing or open */
&:not([customizing]) #PanelUI-button:not([open]):not([panelopen]) {
position: absolute; /* Remove from layout flow */
opacity: 0;
pointer-events: none; /* Make it unclickable */
}
}
/* Adjust padding for top sidebar buttons */
& #zen-sidebar-top-buttons .toolbarbutton-1 > .toolbarbutton-icon {
padding: 4px;
}
/* Make the separator take full width */
& #zen-sidebar-top-buttons-separator {
width: 100%;
}
}
/* ==========================================================================
Vertical Tabs Mode Specific Styles (`zen.tabs.vertical` pref)
========================================================================== */
@media -moz-pref('zen.tabs.vertical') {
:root:not([zen-window-buttons-reversed='true']) {
/* Align window controls to the right by default */
& .titlebar-buttonbox-container {
margin-left: auto;
width: fit-content;
}
/* Specific adjustments for window controls when sidebar is on the right */
&:root[zen-right-side='true'] #zen-sidebar-top-buttons .titlebar-buttonbox-container {
/* Selector ensures this only applies when buttons are in the sidebar */
margin-right: calc(-1 * var(--zen-toolbox-padding)); /* Pull slightly outside */
margin-top: -10px /* Align vertically with top buttons */;
height: calc(4px + var(--zen-toolbar-height)) !important; /* Adjust height */
& .titlebar-button {
align-items: end; /* Align button content to the bottom */
}
}
}
/* Ensure arrow scrollbox takes minimum necessary height */
#tabbrowser-arrowscrollbox {
min-height: fit-content !important;
}
}
/* Alignreversed window controls to the left */
:root[zen-window-buttons-reversed='true'] .titlebar-buttonbox-container {
margin-right: auto;
width: fit-content;
}
/* Center items within the TabsToolbar */
#TabsToolbar > * {
justify-content: center;
}
/* ==========================================================================
Toolbox Padding & Variables
========================================================================== */
#browser {
/* Define base padding with platform-specific overrides */
--zen-min-toolbox-padding: 0.4rem;
@media (-moz-platform: macos) {
--zen-min-toolbox-padding: 0.52rem;
}
@media (-moz-platform: linux) {
--zen-min-toolbox-padding: 0.35rem;
}
/* Actual padding used, ensuring it's at least min padding or based on element separation */
--zen-toolbox-padding: max(var(--zen-min-toolbox-padding), calc(var(--zen-element-separation) / 1.5));
}
/* ==========================================================================
Single Toolbar Mode - Further Layout Adjustments
========================================================================== */
:root[zen-single-toolbar='true'] {
/* Make URL bar container take available width */
#urlbar-container {
width: -moz-available !important;
}
/* Center identity icons vertically */
#identity-icon-box,
#identity-permission-box {
margin-top: auto;
margin-bottom: auto;
padding: 6px !important; /* Add padding */
}
/* Adjust height for floating URL bar */
& #urlbar-container[breakout='true']:has([zen-floating-urlbar='true']) {
--urlbar-container-height: 36px !important;
--urlbar-height: 38px !important;
}
& #nav-bar {
/* Add bottom margin */
margin-bottom: var(--zen-toolbox-padding);
/* Hide flexible spaces */
& toolbarspring {
display: none;
}
}
/* Add vertical margins to the top sidebar buttons area */
& #zen-sidebar-top-buttons {
margin: var(--zen-toolbox-padding) 0 calc(var(--zen-toolbox-padding) / 2) 0;
}
/* Remove padding from PanelUI button */
& #PanelUI-menu-button {
padding: 0 !important;
}
}
/* ==========================================================================
Pinned Tabs Separator
========================================================================== */
.vertical-pinned-tabs-container-separator {
background: light-dark(rgba(1, 1, 1, 0.075), rgba(255, 255, 255, 0.1));
margin: 8px auto; /* Center horizontally */
border: none;
height: 1px;
max-height: 1px;
width: 98%; /* Slightly less than full width */
transition:
margin 0.2s ease-in-out,
background 0.2s ease-in-out,
max-height 0.2s ease-in-out;
/* Hide separator when specified by parent container attribute */
#vertical-pinned-tabs-container .zen-workspace-tabs-section[hide-separator] & {
max-height: 0;
margin: 0 auto; /* Collapse margins */
}
}
/* ==========================================================================
Navigator Toolbox (Main Sidebar Container) Base Styles
========================================================================== */
#navigator-toolbox {
/* Define theme variables, including platform specifics for native look */
--border-radius-medium: 10px;
--tab-border-radius: 6px;
--zen-toolbox-min-width: 1px; /* Default minimum width (used when collapsed) */
@media (-moz-platform: windows) {
--border-radius-medium: 8px;
--tab-border-radius: 6px;
}
@media (-moz-platform: macos) {
--border-radius-medium: 12px;
--tab-border-radius: 10px;
}
/* Define tab hover background color */
--tab-hover-background-color: color-mix(in srgb, var(--toolbarbutton-hover-background) 50%, transparent 50%);
min-width: var(--zen-toolbox-min-width);
margin-top: 0 !important; /* Fix potential issues in full screen mode */
border: none; /* Remove default borders */
order: 0 !important; /* Default order (can be changed for right-side) */
display: flex; /* Use flex layout */
}
/* Hide default titlebar spacers */
.titlebar-spacer[type='pre-tabs'],
.titlebar-spacer[type='post-tabs'] {
display: none;
}
/* ==========================================================================
Tabs Toolbar Customization Target
========================================================================== */
#TabsToolbar-customization-target {
position: relative; /* For pseudo-element positioning */
max-width: 100%;
gap: 0; /* Remove default gap */
/* Add a separator line at the bottom */
&::after {
content: '';
display: block;
height: 1px;
margin: 0 auto;
width: 80%;
left: 50%;
transform: translateX(-50%);
position: absolute;
bottom: calc(-1 * var(--zen-toolbox-padding)); /* Position below the target */
}
/* Remove top borders from direct children */
& > * {
border-top-width: 0 !important;
}
}
/* Style the new tab button specifically */
#vertical-tabs-newtab-button {
/* Transparent background unless active */
&:hover,
&:not(:is(:hover, :active)) .toolbarbutton-icon {
background: transparent !important;
}
}
/* ==========================================================================
Tab Container (#tabbrowser-tabs) Base Styles
========================================================================== */
#tabbrowser-tabs {
margin-inline-start: 0 !important;
padding-inline-start: 0 !important;
overflow-y: unset !important; /* Critical: Prevents rendering issues on workspace changes */
overflow-x: clip; /* Clip horizontal overflow */
overflow-clip-margin: var(--zen-toolbox-padding); /* Add margin to clipping area */
@media (-moz-platform: macos) {
font-size: 1.1rem; /* Slightly larger font on macOS */
}
--tab-inner-inline-margin: 0; /* Reset default inner margin */
position: relative;
border-bottom: 0px solid transparent !important; /* Remove default bottom border */
/* Define tab variables */
--tab-block-margin: 2px;
--tab-selected-bgcolor: light-dark(rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.12));
--tab-selected-shadow: 0 1px 1px 1px light-dark(rgba(0, 0, 0, 0.09), rgba(0, 0, 0, 0.1)) !important;
grid-gap: 0 !important; /* Reset grid gap */
/* Hide default overflow indicators and the provided separator */
&[overflow]::after,
#vertical-tabs-newtab-button, /* Assuming this is a button *within* #tabbrowser-tabs, but it looks like it's outside */
#vertical-pinned-tabs-container-separator {
/* Selector targets the specific separator ID */
display: none !important;
}
/* ========================================================================
Individual Tab Styles (.tabbrowser-tab within #tabbrowser-tabs)
======================================================================== */
& .tabbrowser-tab {
/* Add smooth scaling transition */
&,
& .tab-content > image {
transition: scale 0.07s ease;
}
/* Hide specific empty tabs (likely placeholders) */
&[zen-empty-tab] {
display: none;
}
/* Scale down tab slightly on active press (but not when dragging or clicking images) */
#tabbrowser-tabs:not([movingtab]) &:active:not(:has(.tab-content > image:active)) {
scale: var(--zen-active-tab-scale); /* Requires --zen-active-tab-scale to be defined elsewhere */
}
/* Scale down icon/image specifically on active press */
#tabbrowser-tabs:not([movingtab]) & .tab-content > image:active {
scale: 0.92;
}
/* Fallback icon for broken/missing favicons */
& .tab-icon-image {
&:not([src]),
&:-moz-broken {
/* Use an empty SVG as placeholder */
content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3C/svg%3E") !important;
/* Semi-transparent background based on primary color */
background: color-mix(in srgb, var(--zen-primary-color) 30%, transparent 70%);
}
}
max-width: unset; /* Allow tabs to take full width */
padding: 0 !important; /* Remove default padding */
position: relative; /* For absolute positioning of children */
/* Tab Background Styles */
& .tab-background {
overflow: hidden; /* Hide overflowing content/pseudo-elements */
/* Context line (usually for container tabs) styling */
& .tab-context-line {
margin: 0 0px !important; /* Reset margin */
width: 3px !important; /* Set specific width */
}
}
/* Dim pending tabs if preference is enabled */
@media -moz-pref('zen.tabs.dim-pending') {
&[pending='true'] .tab-icon-image {
opacity: 0.5;
}
}
/* --- Glance Tab Styles (Nested .tabbrowser-tab) --- */
/* Styles for a tab nested within another tab (representing a "glance"?) */
& .tabbrowser-tab {
pointer-events: none; /* Disable interaction */
margin: 0 0 0 4px; /* Add left margin */
/* Reset/override variables for smaller size */
--toolbarbutton-inner-padding: 0;
--border-radius-medium: 8px;
width: 24px;
height: 24px;
--tab-min-height: 24px;
--tab-min-width: 24px;
/* Style glance tab background */
& .tab-background {
background: var(--zen-toolbar-element-bg) !important;
margin-block: 0 !important;
margin-inline: 0 !important;
box-shadow: none !important;
}
/* Adjust padding for content */
& .tab-content {
padding: 0 5px;
}
/* Hide label and buttons */
& label,
& .tab-close-button,
& .tab-reset-button,
& .tab-reset-pin-button {
display: none !important;
}
/* Style glance tab icon */
& .tab-icon-image {
--toolbarbutton-inner-padding: 0 !important;
width: 14px;
height: 14px;
}
}
/* --- Essentials Glance Tab Specifics (Floating) --- */
/* Additional styles for glance tabs in "essential" mode */
&[zen-essential='true'] .tabbrowser-tab {
position: absolute; /* Position absolutely relative to parent tab */
top: 0px;
right: 0px;
/* Define variables for size */
--tab-collapsed-width: 34px;
--tab-min-height: 16px;
width: var(--tab-collapsed-width) !important;
z-index: 1; /* Ensure it's above parent tab content */
pointer-events: none; /* Still non-interactive */
/* Specific background and border for floating effect */
& .tab-background {
background: light-dark(rgb(249, 249, 249), rgb(63, 63, 63)) !important;
border: 2px solid light-dark(rgba(0, 0, 0, 0.4), rgba(255, 255, 255, 0.4));
}
}
}
}
/* ==========================================================================
Sidebar Bottom Buttons Area
========================================================================== */
#zen-sidebar-bottom-buttons {
background: transparent;
gap: 5px; /* Spacing between buttons */
align-items: center; /* Center vertically */
padding-top: var(--zen-element-separation); /* Add padding above */
--toolbarbutton-inner-padding: 5px; /* Define inner padding for buttons */
/* Remove padding from direct children (except workspaces button) */
& > toolbarbutton:not(#zen-workspaces-button) {
padding: 0 !important;
}
}
/* Hide the default new tab button container */
#newtab-button-container {
display: none !important;
}
/* ==========================================================================
Tab Arrow Scrollbox Adjustments
========================================================================== */
#tabbrowser-arrowscrollbox {
/* Remove gap within the scrollbox part */
&::part(scrollbox) {
gap: 0px !important;
}
/* Hide default overflow indicators */
&::part(overflow-start-indicator),
&::part(overflow-end-indicator) {
display: none !important;
}
}
/* ==========================================================================
Custom Tab Wrapper & Container Styles
========================================================================== */
/* Wrapper for vertical tabs, enabling scrolling */
#zen-tabs-wrapper {
min-height: fit-content;
overflow-y: auto; /* Allow vertical scrolling */
height: 100%; /* Take full available height */
scrollbar-color: color-mix(in srgb, currentColor 26%, transparent) transparent; /* Custom scrollbar */
/* Negative margin hack for workspace transitions (only if workspaces are enabled) */
:root[zen-workspace-id] & {
margin-left: calc(-1 * var(--zen-toolbox-padding));
width: calc(100% + var(--zen-toolbox-padding) * 2);
}
}
/* Container for browser tabs within the sidebar */
#zen-browser-tabs-container {
overflow-x: clip !important; /* Force horizontal clipping */
position: relative; /* Positioning context */
}
/* ==========================================================================
Pinned Tabs Container Specific Styles
========================================================================== */
#vertical-pinned-tabs-container {
padding-inline-end: 0 !important; /* Remove end padding */
display: flex !important; /* Use flex layout */
flex-direction: column; /* Stack pinned tabs vertically */
min-height: fit-content !important;
overflow-x: clip; /* Clip horizontal overflow */
overflow-y: visible; /* Allow vertical overflow (for menus etc.) */
max-height: unset !important; /* Allow it to grow */
/* Make non-selected, non-hovered pinned tab backgrounds transparent */
& .tabbrowser-tab:not(:hover) .tab-background:not([selected]):not([multiselected]) {
background: transparent;
}
/* Center content within pinned tabs */
& .tabbrowser-tab .tab-content {
display: flex;
align-items: center;
justify-content: center;
}
/* Ensure glance tabs within pinned container fit their content */
.tabbrowser-tab[zen-glance-tab='true'] {
width: fit-content !important;
}
}
/* Styling for the label shown when hovering the reset-pin button */
.tab-reset-pin-label {
pointer-events: none; /* Non-interactive */
transition:
opacity 0.1s ease-in-out,
margin 0.1s ease-in-out,
max-height 0.1s ease-in-out;
max-height: 0px; /* Hidden by default */
opacity: 0;
transform: translateY(-5px); /* Slight offset */
font-size: x-small;
margin: 0;
}
/* ==========================================================================
Mark: EXPANDED Sidebar Styles (`zen-sidebar-expanded='true'`)
========================================================================== */
#navigator-toolbox[zen-sidebar-expanded='true'] {
/* Set width to fit content when expanded */
--zen-toolbox-min-width: fit-content;
/* Define margin for tab icons */
--tab-icon-end-margin: 8.5px; /* Used later? Not directly applied here */
padding: var(--zen-toolbox-padding);
padding-left: 0; /* Reset left padding (adjusted later based on side) */
padding-top: 0; /* Reset top padding */
/* Ensure Personal Toolbar has no left padding when expanded */
#PersonalToolbar:not([collapsed='true']) {
padding-left: 0 !important;
}
& .tab-audio-button {
margin-inline-start: -4px;
margin-inline-end: 2px;
}
& #titlebar {
min-width: 150px;
}
/* Add margin to the new tab button area */
& #tabbrowser-arrowscrollbox-periphery {
margin-inline: var(--tab-block-margin);
}
/* Adjust nav-bar padding */
& #nav-bar {
padding-right: 0; /* Reset right padding */
/* Specific padding for URL bar input in single toolbar mode */
:root[zen-single-toolbar='true'] & {
& #urlbar:not([breakout-extend='true']):not([pageproxystate='invalid']) .urlbar-input-container {
padding-left: 8px;
padding-right: 4px;
}
}
}
/* Remove top margin from nav-bar */
& #nav-bar {
margin-top: 0;
}
/* Hide workspace indicator icon if it has no specific icon set */
& .zen-current-workspace-indicator-icon[no-icon='true'] {
display: none;
}
/* Hide workspace button icon if it has no specific icon set */
& #zen-workspaces-button {
& .zen-workspace-sidebar-icon[no-icon='true'] {
display: none;
}
}
/* Style pinned tabs container when it has visible tabs */
& #vertical-pinned-tabs-container:has(tab:not([hidden])) {
position: relative;
/* Make pinned tabs take full width */
& .tabbrowser-tab {
width: 100%;
}
}
/* Style bottom buttons area when expanded */
& #zen-sidebar-bottom-buttons {
display: flex;
flex-direction: row; /* Arrange buttons horizontally */
justify-content: space-between; /* Distribute space */
width: 100%;
position: relative;
}
/* Set min height for tabs in the essentials wrapper */
& #zen-essentials-wrapper {
--tab-min-height: 44px;
}
/* Adjust padding based on sidebar side */
&[zen-right-side='true'] {
padding-left: 0; /* No padding on the inside edge (left) */
}
&:not([zen-right-side='true']) {
padding-right: 0; /* No padding on the inside edge (right) */
padding-left: var(--zen-toolbox-padding); /* Add padding on the outside edge (left) */
}
/* Style the customization target and its contents when expanded */
& #TabsToolbar-customization-target {
/* Make separator full width */
&::after {
width: 100%;
bottom: calc(-0.5 * var(--zen-toolbox-padding));
}
/* Style toolbar items (buttons, etc.) */
& > :is(toolbaritem, toolbarbutton):not(#search-container):not(#zen-workspaces-button),
& #tabbrowser-arrowscrollbox-periphery > toolbarbutton {
/* Target new tab button too */
width: 100% !important; /* Full width */
border-radius: var(--border-radius-medium) !important; /* Apply border radius */
padding-left: var(--toolbarbutton-inner-padding) !important; /* Apply padding */
padding-right: var(--toolbarbutton-inner-padding) !important;
/* Ensure label takes full width */
& label {
display: flex;
width: 100%;
}
/* Standardize icon size */
& image {
height: 16px;
width: 16px;
padding: 0 !important;
}
/* Style for active/checked state */
&:is([open], [checked]) {
background: var(--toolbarbutton-active-background) !important;
& image,
label {
background: transparent !important;
} /* Ensure children are transparent */
}
/* Style for hover state */
&:hover {
background: var(--toolbarbutton-hover-background);
& image,
label {
background: transparent !important;
} /* Ensure children are transparent */
}
}
}
/* Style tabs container when expanded */
& #tabbrowser-tabs {
--tab-inline-padding: 8px; /* Define padding for tab content */
& .tabbrowser-tab {
/* Show tab label */
& .tab-label-container {
display: flex;
}
/* Adjust tab background margin and width */
& .tab-background {
margin-inline: var(--tab-block-margin);
width: -moz-available; /* Take available width */
}
/* --- Pinned Tab Icon Repositioning & Reset Button --- */
/* Reposition icon stack absolutely when tab is pinned (and not essential) */
&[zen-pinned-changed='true']:not([zen-essential]) > .tab-stack > .tab-content > .tab-icon-stack {
position: absolute;
top: 50%;
transform: translateY(-50%);
left: 8px; /* Position near the start */
margin: 0 !important;
pointer-events: none; /* Icon stack itself is not interactive */
/* Allow interaction with elements inside the stack (e.g., overlays) */
& > *:not(.tab-icon-image) {
pointer-events: all;
}
}
/* Hide the reset-pin image by default */
&[zen-pinned-changed='true']:not([zen-essential]) .tab-reset-pin-button image {
opacity: 0;
}
/* Show reset-pin interactions on hover */
&[zen-pinned-changed='true']:not([zen-essential]) .tab-reset-pin-button:hover {
/* Show the helper label */
& ~ .tab-label-container .tab-reset-pin-label {
max-height: 10px;
opacity: 0.6;
}
/* Fade out the original tab icon */
& ~ .tab-icon-stack .tab-icon-image {
opacity: 0;
}
/* Show the reset-pin button image */
& image {
opacity: 1;
}
}
/* --- End Pinned Tab --- */
/* Show close button on hover or when selected */
&:is(:hover, [visuallyselected]) .tab-close-button {
display: block;
/* Reset padding for close button positioning */
--tab-inline-padding: 0;
margin-inline-end: 0;
}
/* Adjust margins for various tab icon states/overlays */
.tab-throbber,
.tab-icon-pending,
.tab-icon-image,
.tab-sharing-icon-overlay,
.tab-icon-overlay {
margin-inline-end: var(--toolbarbutton-inner-padding) !important;
margin-inline-start: calc(var(--toolbarbutton-inner-padding) / 4) !important;
}
}
}
}
/* ==========================================================================
Mark: COLLAPSED Sidebar Styles (`:not([zen-sidebar-expanded='true'])`)
========================================================================== */
/* Define fixed width and padding for collapsed state */
:root:not([zen-sidebar-expanded='true']) {
--tab-min-width: 36px !important;
--zen-toolbox-padding: 6px !important;
--zen-toolbox-max-width: calc(var(--tab-min-width) + var(--zen-toolbox-padding) * 2);
}
#navigator-toolbox:not([zen-sidebar-expanded='true']) {
/* Force fixed width */
max-width: var(--zen-toolbox-max-width) !important;
min-width: var(--zen-toolbox-max-width) !important;
padding-bottom: var(--zen-toolbox-padding); /* Apply bottom padding */
/* Hide text labels */
& .zen-current-workspace-indicator-name,
& .toolbarbutton-text {
display: none !important;
}
/* Center and dim workspace indicator */
& .zen-current-workspace-indicator {
padding-left: 0;
padding-right: 0;
display: flex;
align-items: center;
justify-content: center;
opacity: 0.4;
}
/* Center items in essentials container */
& .zen-essentials-container {
justify-content: center;
grid-template-columns: 1fr !important;
}
/* Style new tab button when collapsed */
& #vertical-tabs-newtab-button {
padding: 0 !important;
background: transparent !important;
}
/* Ensure bottom buttons container fits content during customization */
:root[customizing] & #zen-sidebar-bottom-buttons {
min-width: unset !important;
}
/* Center top buttons container */
& #zen-sidebar-top-buttons {
justify-content: center;
max-height: unset !important; /* Allow natural height */
height: fit-content !important;
}
/* Adjust titlebar layout for collapsed state */
& #titlebar {
display: grid;
grid-template-rows: auto 1fr; /* Allow content below button box */
}
/* Style top buttons customization target */
& #zen-sidebar-top-buttons-customization-target {
flex-direction: column; /* Stack items vertically */
padding-top: var(--zen-element-separation);
}
/* Style bottom buttons area when collapsed */
& #zen-sidebar-bottom-buttons {
display: flex;
flex-direction: column; /* Stack vertically */
padding-top: var(--zen-element-separation);
align-items: center; /* Center horizontally */
}
/* Style new tab button area */
& #tabbrowser-arrowscrollbox-periphery {
& > toolbarbutton {
margin: 0 auto !important; /* Center the button */
padding: 0 !important; /* Remove padding */
}
/* Adjust separator */
&::before {
width: 90% !important;
}
}
/* Hide optional elements */
& #EssentialsToolbar,
& #essentials-accordion-header {
display: none !important;
}
/* Style pinned tabs container */
& #vertical-pinned-tabs-container:has(tab:not([hidden])) {
position: relative;
/* Constrain pinned tab width */
& .tabbrowser-tab {
max-width: var(--tab-min-width);
}
}
/* Adjust customization target padding and separator */
& #TabsToolbar-customization-target {
padding-bottom: var(--zen-toolbox-padding);
&::after {
bottom: -1px !important; /* Position separator correctly */
}
}
/* Style tabs container when collapsed */
& #tabbrowser-tabs {
margin-top: -2px; /* Minor visual adjustment */
& .tabbrowser-tab {
margin: 0 auto; /* Center tabs horizontally */
/* Center background */
& .tab-background {
margin-inline: auto !important;
}
/* Hide reset buttons */
& .tab-reset-button,
& .tab-reset-pin-button {
display: none !important;
}
/* Center tab content and hide label */
& .tab-content {
display: flex;
align-content: center;
justify-content: center;
padding: 0 !important; /* Remove padding */
& .tab-label-container {
display: none !important; /* Hide label */
}
/* Reset icon end margin */
& .tab-icon-image,
& .tab-icon-pending {
margin-inline-end: 0 !important;
}
/* Hide nested glance tabs completely */
& .tabbrowser-tab {
display: none !important;
}
}
}
/* Optionally hide mute button overlay on non-selected tabs when collapsed */
@media -moz-pref('zen.view.sidebar-collapsed.hide-mute-button') {
& .tab-icon-overlay:is([soundplaying], [muted]):not([selected]) {
display: none !important;
/* Complex selectors to ensure indicators still show correctly in specific density/hover states */
/* This part seems overly complex and might need review/simplification if possible */
: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: 1 !important; /* Ensure full opacity */
}
}
}
/* Reset end margins for all icon types when collapsed */
& .tab-throbber,
& .tab-icon-pending,
& .tab-icon-image,
& .tab-sharing-icon-overlay,
& .tab-icon-overlay {
margin-inline-end: 0 !important;
}
}
/* Stack workspace button content vertically */
& #zen-workspaces-button {
flex-direction: column;
}
}
/* Hide splitter when sidebar is collapsed */
:root:not([zen-sidebar-expanded='true']) #zen-sidebar-splitter {
display: none !important;
}
/* ==========================================================================
Mark: Sidebar Splitter Styling
========================================================================== */
#zen-sidebar-splitter {
opacity: 0; /* Hidden by default, maybe shown on hover/drag? */
max-width: var(--zen-toolbox-padding) !important; /* Width based on padding */
min-width: var(--zen-toolbox-padding) !important;
height: 100%;
transition: opacity 0.2s ease-in-out;
background: var(--zen-colors-border); /* Use theme border color */
appearance: none; /* Remove default styling */
position: relative !important; /* Ensure positioning context */
order: 0; /* Default order */
}
/* ==========================================================================
Mark: Move Sidebar to the Right (`zen-right-side='true'`)
========================================================================== */
:root[zen-right-side='true'] {
/* Move the main toolbox (sidebar) to the right */
& #navigator-toolbox {
order: 10 !important; /* High order value */
}
/* Move the splitter just before the toolbox */
& #zen-sidebar-splitter {
order: 9 !important;
}
}
/* ==========================================================================
Mark: Override Default Tab Close/Reset Button Behavior
========================================================================== */
#tabbrowser-tabs {
& .tabbrowser-tab {
/* Hide standard close button on pinned tabs (except pending) */
&[pinned]:not([pending='true']) .tab-close-button {
display: none !important;
}
/* Show custom reset (unpin) button on hover/selection for non-essential pinned tabs */
&[pinned]:not([pending='true']):not([zen-essential]) {
&:hover .tab-reset-button,
&[visuallyselected] .tab-reset-button {
display: block;
}
}
/* Hide the reset-pin button if tab isn't marked as changed */
&:not([zen-pinned-changed='true']) .tab-reset-pin-button {
display: none;
}
/* Never show reset buttons on essential tabs */
&[zen-essential] .tab-reset-button,
&[zen-essential] .tab-reset-pin-button {
display: none;
}
/* Hide reset button unless pinned and selected/hovered */
&:not([pinned][visuallyselected]) .tab-reset-button {
display: none;
}
/* Ensure selected tab background border is transparent */
&[selected] .tab-background {
border-color: transparent;
}
}
}
/* ==========================================================================
Custom Reset/Unpin Button Styles
========================================================================== */
.tab-reset-button, /* Standard unpin button */
.tab-reset-pin-button {
/* Button shown when pinning state changes */
display: none; /* Hidden by default, shown conditionally above */
-moz-context-properties: fill, fill-opacity; /* Inherit fill properties */
border-radius: var(--tab-border-radius);
color: inherit;
fill: currentColor;
padding: var(--tab-close-button-padding); /* Use standard close button padding */
width: 24px; /* Fixed size */
height: 24px;
outline: var(--toolbarbutton-outline); /* Use standard outline */
/* Hover/active outline styles */
&:hover {
outline-color: var(--toolbarbutton-hover-outline-color);
}
&:hover:active {
outline-color: var(--toolbarbutton-active-outline-color);
}
}
/* Specific styling for the alternative reset-pin button */
.tab-reset-pin-button {
display: flex; /* Use flex for alignment */
position: relative; /* For pseudo-element positioning */
height: calc(100% - var(--tab-block-margin) * 2); /* Adjust height based on margins */
margin-left: calc(-1 * var(--tab-inline-padding) + var(--tab-block-margin)); /* Overlap slightly */
margin-right: 8px;
padding: 0 calc(var(--toolbarbutton-inner-padding) - 2px) 0
calc(var(--toolbarbutton-inner-padding) / 4 + var(--tab-inline-padding) - 2px); /* Custom padding */
border-radius: 0; /* Remove general radius */
border-top-left-radius: var(--border-radius-medium); /* Apply radius only to left corners */
width: unset; /* Auto width */
border-bottom-left-radius: var(--border-radius-medium);
align-items: center;
justify-content: center;
/* Style the image inside (uses original tab icon) */
& > image {
list-style-image: var(--zen-original-tab-icon); /* Expects variable set elsewhere */
width: 16px; /* Fixed size */
height: 16px;
pointer-events: none;
border-radius: 4px; /* Slightly rounded */
}
/* Add a decorative vertical line */
&::after {
content: '';
display: block;
width: 2.5px;
height: 16px;
background: light-dark(rgba(66, 61, 61, 0.3), rgba(255, 255, 255, 0.3));
position: absolute;
right: 0;
top: 50%;
border-radius: 2px;
transform: rotate(15deg) translateY(-50%); /* Tilted line */
}
/* Hide the line on hover (reveals icon change) */
&:hover::after {
opacity: 0;
}
}
/* Remove default appearance for custom buttons */
.reset-icon, /* Assuming this is used within .tab-reset-button */
.tab-reset-pin-button {
appearance: none;
}
/* Background color changes on hover/active (for non-forced-colors mode) */
@media not (forced-colors) {
.tab-reset-button:hover,
.tab-reset-pin-button:hover {
background-color: color-mix(in srgb, currentColor 10%, transparent); /* Slight tint */
}
.tab-reset-button:hover:active,
.tab-reset-pin-button:hover:active {
background-color: color-mix(in srgb, currentColor 20%, transparent); /* Darker tint */
}
}
/* Ensure icons within reset buttons have no margin */
.tab-reset-button > .button-icon,
.tab-reset-button > .button-box > .button-icon,
.tab-reset-button > .toolbarbutton-icon,
.tab-reset-pin-button > .button-icon,
.tab-reset-pin-button > .button-box > .button-icon,
.tab-reset-pin-button > .toolbarbutton-icon {
margin: 0;
}
/* Hide text labels within reset buttons */
.tab-reset-button > .button-box > .button-text,
.tab-reset-button > .toolbarbutton-text,
.tab-reset-pin-button > .button-box > .button-text,
.tab-reset-pin-button > .toolbarbutton-text {
display: none;
}
/* ==========================================================================
Customization Mode Adjustments
========================================================================== */
:root[customizing] #TabsToolbar > *,
:root[customizing] #TabsToolbar-customization-target {
min-width: unset !important; /* Allow shrinking during customization */
}
/* ==========================================================================
Mark: Sidebar Top Buttons Area Styles
========================================================================== */
#zen-sidebar-top-buttons {
order: -1; /* Ensure it appears at the top */
min-width: unset !important; /* Allow shrinking */
/* Adjust inner padding based on sidebar state */
:root[zen-sidebar-expanded='true'] & {
--toolbarbutton-inner-padding: var(--zen-toolbar-button-inner-padding) !important; /* Use theme variable */
}
:root[zen-single-toolbar='true'] & {
--toolbarbutton-inner-padding: calc(
var(--zen-toolbar-button-inner-padding) - 2px
) !important; /* Slightly less in single toolbar */
/* Reorder buttons in single toolbar mode */
& #PanelUI-button {
order: -2; /* Hamburger first */
}
& #unified-extensions-button {
order: -1; /* Extensions next */
}
}
/* Style the customization target within the top buttons area */
& #zen-sidebar-top-buttons-customization-target {
height: 100%; /* Full height */
align-items: center; /* Center items vertically */
/* Adjust start padding based on state and side */
:root:not([zen-sidebar-expanded='true']):not([zen-right-side='true']) {
padding-inline-start: var(--zen-toolbox-padding);
}
#nav-bar & {
/* If nested in nav-bar, use outer padding */
padding-inline-start: var(--toolbarbutton-outer-padding);
}
:root[zen-right-side='true']:not([zen-window-buttons-reversed='true']) {
padding-inline-end: var(--zen-toolbox-padding); /* Add end padding for right sidebar */
}
/* Standardize height and padding for toolbar buttons (excluding titlebar buttons) */
& toolbarbutton:not(.titlebar-button) {
height: calc(2 * var(--toolbarbutton-inner-padding) + 16px); /* Calculate height based on padding + icon */
padding: 0 var(--toolbarbutton-outer-padding) !important; /* Apply outer padding */
}
/* Hide flexible space when collapsed */
:root:not([zen-sidebar-expanded='true']) & toolbarspring {
display: none;
}
}
/* Style specific action buttons (likely icon-only) */
& .zen-sidebar-action-button {
padding: 0 !important; /* Remove padding */
& label {
display: none !important; /* Hide label */
}
}
}
/* ==========================================================================
Vertical New Tab Button (Optional Feature)
========================================================================== */
/* Hide the button wrapper by default */
#tabs-newtab-button {
display: none;
opacity: 0.5; /* Dimmed by default */
-moz-user-focus: ignore !important; /* Prevent focus */
}
/* Show and style the button if preference `zen.tabs.show-newtab-vertical` is enabled */
@media -moz-pref('zen.tabs.show-newtab-vertical') {
#tabs-newtab-button {
display: flex !important; /* Show the button */
transition: scale 0.1s ease; /* Add scale transition */
/* Style text within the button */
& .toolbarbutton-text {
align-items: center;
padding-top: 0;
}
/* Scale down slightly on press */
&:active,
&[open] {
scale: 0.98;
}
/* Style when placed "in urlbar" (likely a state/attribute) */
&[in-urlbar] {
background: var(--tab-selected-bgcolor) !important;
opacity: 1 !important; /* Full opacity */
box-shadow: var(--tab-selected-shadow); /* Apply selected tab shadow */
}
}
/* Style the container ("periphery") holding the new tab button */
#tabbrowser-arrowscrollbox-periphery {
/* Conditional border color for light mode */
@media not (prefers-color-scheme: dark) {
--zen-colors-border: var(--zen-colors-tertiary); /* Use tertiary color */
}
/* Move button to the top if preference is set */
@media -moz-pref('zen.view.show-newtab-button-top') {
order: -1;
}
/* Add a separator line above the button if preferences are set and there are tabs */
@media -moz-pref('zen.view.show-newtab-button-border-top') and (not -moz-pref('zen.view.show-newtab-button-top')) {
#tabbrowser-arrowscrollbox:has(tab:not([hidden])) & {
/* Only if tabs exist */
margin-top: 15px; /* Space above */
position: relative; /* For pseudo-element */
&::before {
content: '';
display: block;
height: 1px;
background: light-dark(rgba(1, 1, 1, 0.075), rgba(255, 255, 255, 0.1)); /* Separator color */
width: 98%; /* Near full width */
position: absolute;
top: -8px; /* Position above the button */
left: 50%;
transform: translateX(-50%); /* Center horizontally */
}
}
}
}
}
/* ==========================================================================
Mark: Essentials Toolbar / Section Styles
========================================================================== */
#zen-essentials-wrapper,
#zen-current-workspace-indicator-container {
margin-left: calc(-1 * var(--zen-toolbox-padding));
min-width: calc(100% + var(--zen-toolbox-padding) * 2);
}
/* Container for essential items (often pinned/favorite tabs) */
.zen-essentials-container {
will-change: transform;
padding-bottom: var(--zen-toolbox-padding);
overflow: hidden;
gap: calc(var(--zen-toolbox-padding) - 2px);
transition:
max-height 0.3s ease-out,
grid-template-rows 0.3s ease-out;
opacity: 1;
grid-template-columns: repeat(auto-fit, minmax(max(23.7%, 48px), 1fr));
&[data-hack-type='1'] {
grid-template-columns: repeat(auto-fit, minmax(max(30%, 48px), auto));
}
&[data-hack-type='2'] {
grid-template-columns: repeat(auto-fit, minmax(max(23%, 48px), 1fr) minmax(max(23%, 48px), 1fr));
}
&[data-hack-type='3'] {
grid-template-columns: repeat(auto-fit, minmax(max(25%, 48px), 1fr));
}
scrollbar-width: thin;
min-width: calc(100% + var(--zen-toolbox-padding) * 2);
padding: 0 var(--zen-toolbox-padding);
display: grid;
&[hidden='true'] {
max-width: var(--actual-zen-sidebar-width); /* To still allow essentials to grid the tabs */
}
}
/* Style tabs within the Essentials container (and a related welcome sidebar) */
.zen-essentials-container > .tabbrowser-tab,
#zen-welcome-initial-essentials-browser-sidebar-essentials .tabbrowser-tab {
--toolbarbutton-inner-padding: 0; /* Reset padding */
max-width: unset; /* Allow stretching */
width: 100% !important; /* Force full width of grid cell */
/* Style background */
& .tab-background {
border-radius: var(--border-radius-medium) !important; /* Use medium radius */
transition: background 0.1s ease-in-out; /* Smooth background transition */
}
--tab-selected-bgcolor: light-dark(rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.2));
&:not([visuallyselected], [multiselected='true']) .tab-background {
background: var(--zen-toolbar-element-bg); /* Use generic element background */
border: none; /* No border */
}
& .tab-content {
display: flex;
justify-content: center;
}
& .tab-label-container,
& .tab-close-button {
display: none !important;
}
& .tab-icon-image,
& .tab-icon-overlay {
margin-inline-end: 0 !important;
}
&:hover .tab-background {
background: var(--tab-selected-bgcolor);
}
/* Optional blurred favicon background effect (if pref `zen.theme.essentials-favicon-bg` is enabled) */
@media -moz-pref('zen.theme.essentials-favicon-bg') {
&[visuallyselected] > .tab-stack > .tab-background {
/* Create a blurred background pseudo-element using the tab icon */
&::after {
content: '';
inset: -50%; /* Extend beyond bounds */
filter: blur(20px); /* Apply blur */
position: absolute;
background-size: contain;
background-clip: padding-box;
background-image: var(--zen-tab-icon); /* Use tab icon variable */
z-index: -1; /* Place behind content */
background-position: center;
}
background: transparent; /* Make main background transparent */
overflow: hidden; /* Clip pseudo-elements */
position: relative; /* Positioning context */
--zen-essential-bg-margin: 2px; /* Margin for inner layer */
/* Create an inner background layer for contrast */
&::before {
background: light-dark(rgba(255, 255, 255, 0.85), rgba(68, 64, 64, 0.85));
margin: var(--zen-essential-bg-margin); /* Apply margin */
border-radius: calc(var(--border-radius-medium) - var(--zen-essential-bg-margin)); /* Adjust radius */
position: absolute;
inset: 0;
z-index: 0; /* Position above ::after, below content */
content: '';
transition: background 0.1s ease-in-out; /* Smooth transition */
}
}
/* Slightly fade inner background on hover */
&[visuallyselected]:hover .tab-background::before {
background: light-dark(rgba(255, 255, 255, 0.8), rgba(68, 64, 64, 0.75));
}
}
}
/* ==========================================================================
Vertical Tabs Reordering Drag Indicator
========================================================================== */
#zen-drag-indicator {
/* Define indicator variables */
--zen-drag-indicator-height: 2px;
--zen-drag-indicator-bg: color-mix(
in srgb,
var(--zen-primary-color) 50%,
light-dark(rgba(0, 0, 0, 0.85), rgba(255, 255, 255, 0.95)) 50%
);
position: fixed; /* Position relative to viewport */
z-index: 1000; /* Ensure it's on top */
background: var(--zen-drag-indicator-bg);
pointer-events: none; /* Non-interactive */
border-radius: 5px; /* Rounded ends */
/* Add a circle at the start of the indicator */
&::before {
content: '';
position: absolute;
height: calc(2 * var(--zen-drag-indicator-height)); /* Circle diameter */
width: calc(2 * var(--zen-drag-indicator-height));
border: var(--zen-drag-indicator-height) solid var(--zen-drag-indicator-bg); /* Thick border */
border-radius: 50%; /* Make it a circle */
background: transparent; /* Hollow circle */
}
/* Styles for horizontal drag indicator (e.g., between workspaces?) */
&[orientation='horizontal'] {
/* Position and size based on external CSS variables */
left: calc(var(--indicator-left) + 2 * var(--zen-drag-indicator-height) + 4px);
width: calc(var(--indicator-width) - 2 * var(--zen-drag-indicator-height) - 4px);
height: var(--zen-drag-indicator-height);
transition:
top 0.1s ease-out,
left 0.1s ease-out,
width 0.1s ease-out;
/* Position the circle at the left end */
&::before {
left: calc(-2 * var(--zen-drag-indicator-height));
top: 50%;
transform: translate(calc(-1 * var(--zen-drag-indicator-height)), -50%);
}
}
/* Styles for vertical drag indicator (between tabs) */
&[orientation='vertical'] {
/* Position and size based on external CSS variables */
top: calc(var(--indicator-top) + 2 * var(--zen-drag-indicator-height) + 4px);
height: calc(var(--indicator-height) - 2 * var(--zen-drag-indicator-height) - 4px);
width: var(--zen-drag-indicator-height);
transition:
top 0.1s ease-out,
left 0.1s ease-out,
height 0.1s ease-out;
/* Position the circle at the top end */
&::before {
top: calc(-2 * var(--zen-drag-indicator-height));
left: 50%;
transform: translate(-50%, calc(-1 * var(--zen-drag-indicator-height)));
}
}
}
/* ==========================================================================
Renaming Tabs Input Styles
========================================================================== */
.tab-label-container-editing {
display: none !important;
}
#tab-label-input {
white-space: nowrap;
overflow-x: scroll;
margin: 0;
background: transparent;
border: none;
padding: 0;
}
/* ==========================================================================
Section: Tab Workspaces Stylings
========================================================================== */
.zen-workspace-tabs-section {
position: absolute;
transform: translateX(-100%);
&:not(.zen-essentials-container) {
display: flex;
min-width: calc(100% - var(--zen-toolbox-padding) * 2); /* Set width based on padding */
}
&:not(.zen-current-workspace-indicator):not(.zen-essentials-container) {
padding: 0 var(--zen-toolbox-padding);
width: 100%;
}
/* Hide section visually and disable interaction when hidden attribute is present */
&[hidden='true'] {
visibility: hidden;
pointer-events: none;
position: fixed; /* Fix position to prevent scrolling */
}
}