zulip/web/styles/left_sidebar.css

1437 lines
37 KiB
CSS

/* The width of the empty space in the sidebar to separate
content from the edge of the window */
$far_left_gutter_size: 10px;
/* This represents the space in the sidebar reserved for symbols like
the #; labels like the stream name go to the right of this. */
$left_col_size: 19px;
/* The full topic indentation includes 4px of indent in addition to
the above (and another 5px of padding not measured here) */
$topic_indent: calc($far_left_gutter_size + $left_col_size + 4px);
$topic_resolve_width: 13px;
/* Space between section in the left sidebar. */
$sections_vertical_gutter: 8px;
$bottom_scrolling_buffer: 25px;
/* space direct message / stream / topic names from unread counters
and @ mention indicators by 3px on the right */
$before_unread_count_padding: 3px;
.hashtag {
&:empty {
&::after {
content: "#";
line-height: 0;
font-size: 18px;
font-weight: 700;
}
}
}
.left-sidebar-title {
color: var(--color-text-sidebar-heading);
font-size: inherit;
font-weight: normal;
display: inline;
/* Override heading margin from Bootstrap. */
margin: 0;
/* Show an ellipsis on a heading when
it won't sit adjacent other icons
or controls in the row. */
overflow: hidden;
text-overflow: ellipsis;
}
.sidebar-topic-check,
.topic-markers-and-controls {
cursor: pointer;
}
#left-sidebar-navigation-list .filter-icon i {
color: var(--color-left-sidebar-navigation-icon);
}
#stream_filters,
#left-sidebar-navigation-list {
margin-right: 12px;
}
li.show-more-topics {
& a {
font-size: 12px;
}
}
#streams_inline_icon,
.streams_filter_icon {
opacity: 0.5;
&:hover {
opacity: 1;
cursor: pointer;
}
}
.streams_filter_icon.web_public {
margin-right: 10px;
}
.tooltip {
max-width: 18em;
}
#stream_filters {
overflow: visible;
margin-bottom: 5px;
margin-right: 12px;
padding: 0;
font-weight: normal;
.input-append.topic_search_section {
padding: 2px 0 2px calc($topic_indent - $topic_resolve_width);
margin-bottom: 3px;
margin-left: 3px;
& input {
width: calc(100% - 50px);
}
.clear_search_button {
margin-left: -1px;
}
}
& li {
& a:hover {
text-decoration: none;
}
& ul {
margin-left: 0;
&.topic-list li {
padding: 0;
&.filter-topics {
padding-bottom: 0;
position: sticky;
top: calc($sections_vertical_gutter + 43px);
z-index: 2;
}
}
}
}
.stream-with-count.hide_unread_counts {
.masked_unread_count {
display: block;
/* Shift masked dot to align with
the least-significant digit on
unreads in other rows.
We have to do this with margin,
because width or padding will
distort the CSS-created dot. */
margin-right: 3px;
}
.unread_count {
display: none;
}
}
.narrow-filter
> .bottom_left_row:hover
> .stream-with-count.hide_unread_counts {
.masked_unread_count {
display: none;
}
.unread_count {
display: inline;
}
}
.stream-expanded {
.stream-with-count.hide_unread_counts {
.masked_unread_count {
display: none;
}
.unread_count {
display: inline;
}
}
}
.has-unmuted-unreads.hide_unread_counts {
.masked_unread_count {
display: none;
}
.unread_count {
display: inline;
}
}
.inactive_stream:not(.active-filter) {
opacity: 0.5;
}
.toggle_stream_mute {
margin-right: 3px;
opacity: 0.5;
&:hover {
opacity: 1;
}
}
}
.left-sidebar-navigation-area {
& li a {
&:hover {
text-decoration: none;
}
}
}
#left_sidebar_scroll_container {
outline: none;
overflow: hidden auto;
position: relative;
z-index: 0;
width: 100%;
.direct-messages-container {
/* TODO: Clean up this value and the
analogous one on #stream-filters;
this could be done alongside the
--left-sidebar-collapse-widget-gutter
cleanup so that all of the left sidebar
space is better, more uniformly handled.
That will be an essential pre-condition
for a resizable left sidebar. */
margin-right: 12px;
margin-left: 0;
}
}
.direct-messages-container {
/* Properly offset all the grid rows
in the DM section. */
margin-right: 12px;
#private_messages_section_header {
grid-template-columns: 0 15px minmax(0, 1fr) max-content 30px 0;
grid-template-rows: var(--line-height-sidebar-row-prominent);
/* TODO: Rewrite the `--left-sidebar-collapse-widget-gutter`
value and the styles dependent on it so that this kind of
1990s layout shenanigans is made unnecessary. */
margin-left: -3px;
cursor: pointer;
white-space: nowrap;
#toggle_private_messages_section_icon {
grid-area: starting-anchor-element;
}
.left-sidebar-title {
grid-area: row-content;
}
.heading-markers-and-controls {
grid-area: markers-and-controls;
display: flex;
gap: 5px;
align-items: center;
}
#show_all_private_messages {
width: var(--left-sidebar-header-icon-width);
display: flex;
align-items: center;
justify-content: center;
opacity: 0.7;
text-decoration: none;
color: inherit;
&:hover {
opacity: 1;
}
}
}
& ul.dm-list {
list-style-type: none;
font-weight: 400;
margin-left: 0;
margin-bottom: 0;
line-height: var(--line-height-sidebar-row);
& span.fa-group {
font-size: 90%;
}
& li.dm-list-item {
& a {
text-decoration: none;
color: inherit;
}
.fa-group,
.zulip-icon {
opacity: 0.7;
}
}
& li#show-more-direct-messages {
cursor: pointer;
/* The 'more conversations' line has no icons,
so vertically align the text with the unread
count, when one appears there. */
align-items: baseline;
& a {
font-size: 12px;
}
.unread_count {
margin-top: 2px;
}
}
}
}
#toggle_private_messages_section_icon,
#toggle-top-left-navigation-area-icon {
opacity: 0.7;
&.fa-caret-right {
position: relative;
left: 3px;
}
&:hover {
opacity: 1;
}
&:focus {
outline: 0;
}
/* This renders an outline when the caret is reached
with the keyboard, although that is not at present
easily accomplished. */
&:focus-visible {
outline: 2px solid var(--color-outline-focus);
}
}
.active_private_messages_section {
#private_messages_section,
#direct-messages-list,
#hide-more-direct-messages {
background-color: hsl(202deg 56% 91%);
}
#private_messages_section {
border-radius: 4px 4px 0 0;
}
#direct-messages-list {
border-radius: 0 0 4px 4px;
}
#more_private_messages_sidebar_title {
font-weight: 600;
}
}
:not(.active-sub-filter) {
&.top_left_row:hover,
&.bottom_left_row:hover {
background-color: var(--color-background-hover-narrow-filter);
}
}
.top_left_row,
.bottom_left_row {
/* Ensure a border radius on any interactive
state that might show a highlight. */
border-radius: 4px;
}
#stream_filters .narrow-filter.highlighted_stream {
&.active-filter > .bottom_left_row {
background-color: var(--color-background-hover-narrow-filter);
}
&.active-filter .topic-list .bottom_left_row {
background-color: var(--color-background-active-narrow-filter);
}
.bottom_left_row:not(.active-sub-filter) {
background-color: var(--color-background-hover-narrow-filter);
}
}
#login-link-container,
#subscribe-to-more-streams {
text-decoration: none;
margin: 5px auto 5.5px 10px;
margin-bottom: $bottom_scrolling_buffer;
& i {
min-width: 19px;
text-align: center;
&::before {
padding-right: 3px;
}
}
}
#login-link-container {
color: var(--color-text-url);
display: flex;
align-items: center;
&:hover {
cursor: pointer;
color: var(--color-text-url-hover);
&.login_button .login-text {
color: var(--color-text-url-hover);
text-decoration: underline;
}
}
}
ul.filters {
list-style-type: none;
margin-left: 0;
color: hsl(0deg 0% 20% / 100%);
line-height: var(--line-height-sidebar-row);
& a {
color: inherit;
&:focus {
text-decoration: none;
}
}
& hr {
margin-top: 10px;
margin-bottom: 10px;
}
.has-only-muted-unreads {
.unread_count {
opacity: 0.5;
}
}
.has-only-muted-mentions .unread_mention_info {
opacity: 0.5;
}
/* This is a noop in the current design, because unread counts for
muted streams have the same opacity, but the logic is here to
be explicit and because the design may change in the future. */
.more_topic_unreads_muted_only .unread_count {
opacity: 0.5;
}
.zulip-icon-follow {
opacity: 0.6;
}
& li.muted_topic,
li.out_of_home_view {
color: hsl(0deg 0% 20% / 50%);
.has-unmuted-mentions .unread_mention_info {
color: hsl(0deg 0% 20%);
}
.stream-privacy {
opacity: 0.5;
}
& .unread_count {
opacity: 0.5;
}
& .masked_unread_count {
opacity: 0.5;
}
.has-unmuted-unreads {
.unread_count {
opacity: 1;
}
}
& li.unmuted_or_followed_topic {
color: var(--color-unmuted-or-followed-topic-list-item);
.unread_count {
opacity: 1;
}
}
}
& li.out_of_home_view {
&:hover {
color: hsla(0deg 0% 20% / 75%);
.stream-privacy {
opacity: 0.75;
}
.unread_count {
opacity: 0.75;
}
.has-unmuted-unreads {
.unread_count {
opacity: 1;
}
}
}
& li.muted_topic {
/* If stream is muted, this resets opacity of muted topics in muted
stream to 1; since opacity is multiplied down through child
elements, this avoids an unreadably low opacity. */
opacity: 1;
}
}
}
li.active-filter,
li.active-sub-filter {
font-weight: 600 !important;
position: relative;
border-radius: 4px;
background-color: var(--color-background-active-narrow-filter);
}
#stream_filters .narrow-filter.active-filter {
.topic-list .filter-topics,
> .bottom_left_row {
background-color: var(--color-background-active-narrow-filter);
border-radius: 4px;
}
}
#left-sidebar-navigation-list-condensed {
display: flex;
justify-content: center;
.left-sidebar-navigation-condensed-item {
/* 24px minimum width from Vlad's design. */
flex: 1 0 24px;
/* Unset padding from individual top_left items */
padding: 0;
border-radius: 4px;
/* Set a positioning context for the unread dot. */
position: relative;
.unread_count {
position: absolute;
}
/* Show the same styles when each item is
hovered or, via the keyboard, the `<a>`
element within receives focus. */
&:hover,
&:focus-within {
background: var(--color-background-hover-narrow-filter);
.unread_count {
top: -6px;
right: -6px;
background: var(--color-background-unread-counter-no-alpha);
}
}
&:not(:hover) .unread_count {
top: 2px;
right: 2px;
width: 6px;
height: 6px;
font-size: 0;
padding: 0;
background-color: var(--color-background-unread-counter-dot);
}
&.top_left_starred_messages .unread_count {
display: none;
}
}
.left-sidebar-navigation-icon-container {
/* Unset margin from full nav list anchor elements. */
margin: 0;
/* Horizontally center icons within their boxes. */
text-align: center;
&:focus {
/* Unset inherited :focus outline. */
outline: 0;
}
}
.active-filter {
/* Don't display a background on condensed icons. */
background: unset;
}
.filter-icon {
display: flex;
align-items: center;
justify-content: center;
/* TODO: Set this 24px height value as a variable.
Keep filter-icon height the full height of the box. */
height: 24px;
/* Enlarge icons slightly in condensed views. */
font-size: 15px;
color: var(--color-left-sidebar-navigation-icon);
}
}
#left-sidebar-navigation-list {
margin-bottom: $sections_vertical_gutter;
/* We display this as a grid only to control
the order of home views, using a single
named grid area. */
display: grid;
grid-template-areas: "selected-home-view";
line-height: var(--line-height-sidebar-row-prominent);
.left-sidebar-navigation-label-container {
.left-sidebar-navigation-label {
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
}
}
.selected-home-view {
/* This bumps the selected view to the
top of the grid (expanded list).
Others items will auto place in the
remaining auto-generated grid rows. */
grid-area: selected-home-view;
/* The condensed view is a flexbox, so
here we'll use a negative order to
bump the selected home view to the
start of the flexbox (lefthand side). */
order: -1;
}
.top_left_starred_messages .unread_count,
.top_left_drafts .unread_count,
.top_left_scheduled_messages .unread_count,
.condensed-views-popover-menu .unread_count {
background-color: unset;
color: inherit;
border: 0.5px solid var(--color-border-unread-counter);
}
/* Don't show unread counts on views... */
.top_left_inbox,
.top_left_recent_view,
.top_left_all_messages {
.unread_count {
visibility: hidden;
}
/* ...unless it's the selected home view. */
&.selected-home-view .unread_count {
visibility: visible;
}
}
/* Don't show the scheduled messages item... */
li.top_left_scheduled_messages {
display: none;
/* ...unless there are scheduled messages to show. */
&.show-with-scheduled-messages {
/* Use display: grid to preserve the grid
layout when visible. */
display: grid;
}
}
.top_left_row {
/* The row grid for the outer .top_left_row
is chiefly for lefthand spacing and placing
the inner row content and vdots. */
grid-template-columns: 7px 0 minmax(0, 1fr) 0 30px 0;
.sidebar-menu-icon {
grid-area: ending-anchor-element;
}
}
.left-sidebar-navigation-label-container {
grid-area: row-content;
/* The label container itself is also a grid,
for laying out the items that are its
children. Same template areas, different
column widths. */
grid-template-columns: 0 22px minmax(0, 1fr) max-content 0 0;
.filter-icon {
grid-area: starting-anchor-element;
/* Use a flex container to handle
icon centering within the grid area. */
display: flex;
justify-content: center;
}
.left-sidebar-navigation-label {
grid-area: row-content;
padding-right: $before_unread_count_padding;
}
.unread_count {
grid-area: markers-and-controls;
}
}
.conversation-partners {
grid-area: row-content;
overflow: hidden;
text-overflow: ellipsis;
/* Use an inline grid to provide a modern layout
for status emoji in DM rows, while preserving
the expected ellipsis behavior on long usernames
or large DM groups.
The 16px-tall emoji will also align well
vertically with the 18px line-height here. */
display: inline-grid;
/* Provide a two-column grid, sized to accommodate
the content of the conversation list and status
emoji, if any. */
grid-template-columns: repeat(2, minmax(0, max-content));
align-items: center;
}
.conversation-partners .status-emoji {
/* Prevent status emoji from colliding
with unread counts. */
margin-right: 3px;
}
/* New .topic-box grid definitions here. */
#views-label-container,
.top_left_row,
.left-sidebar-navigation-label-container,
.dm-box,
.subscription_block,
.topic-box,
.searching-for-more-topics {
display: grid;
align-items: center;
/* This general pattern of elements applies to every single row in the left
sidebar, to some degree or another. Eventually, these template areas
could be applied to all rows, with different `grid-template-column`
values applied as needed (and shared as needed). For example, an element
with no "starting-offset" sets that area to `0`; so too with other non-
existent elements.
The offsets themselves are meant to greedily assign all of the available
horizontal space to the content area of the row. That space can then be
modified or reassigned as needed, without running up against `padding`
(which alters the box size) or `margin` (which notoriously bleeds outside
of the element it's defined on). */
grid-template-areas: "starting-offset starting-anchor-element row-content markers-and-controls ending-anchor-element ending-offset";
}
#private_messages_section_header,
#streams_header,
#topics_header {
display: grid;
align-items: center;
/* This extends the general pattern of left sidebar rows, but includes a
second grid row for placing filter boxes. This pattern keeps the box
aligned with the text content in `row-content` and includes the
`ending-anchor-element` space.
There is currently no filter box on DM rows, but we can prepare for
that now by having it share this grid template. Its row and column
definitions have the final say about dimensions and placement. */
grid-template-areas:
"starting-offset starting-anchor-element row-content markers-and-controls ending-anchor-element ending-offset"
". . filter-box filter-box filter-box . ";
}
#views-label-container {
grid-template-columns:
0 15px minmax(0, 0.5fr) minmax(0, 1fr)
30px 12px;
grid-template-rows: var(--line-height-sidebar-row-prominent);
/* TODO: Rewrite the `--left-sidebar-collapse-widget-gutter`
value and the styles dependent on it so that this kind of
1990s layout shenanigans is made unnecessary. */
margin-left: -3px;
cursor: pointer;
&.showing-expanded-navigation {
/* When the expanded navigation is visible,
hide the condensed navigation's controls. */
#left-sidebar-navigation-list-condensed,
.left-sidebar-navigation-menu-icon {
display: none;
}
/* Give the sidebar title through the end of the markers
area, if needed. */
.left-sidebar-title {
grid-column: row-content-start / markers-and-controls-end;
}
}
/* Use a next-sibling combinator (+) to use CSS to show and hide
filter rows as needed, based on the narrow. */
&.showing-condensed-navigation {
+ #left-sidebar-navigation-list {
/* When the navigation area is condensed, hide all
the rows in the full navigation list... */
& .top_left_row {
display: none;
}
/* ...except when there is an active filter in place:
that row should still be shown. */
& .top_left_row.active-filter {
display: grid;
}
}
}
#toggle-top-left-navigation-area-icon {
grid-area: starting-anchor-element;
}
.left-sidebar-title {
grid-area: row-content;
}
#left-sidebar-navigation-list-condensed {
margin: 0;
grid-area: markers-and-controls;
}
.left-sidebar-navigation-menu-icon {
grid-area: ending-anchor-element;
/* Horizontally center vdots. */
justify-self: center;
/* Properly size vdots. */
font-size: 17px;
/* Occupy same clickable height as
other condensed-view icons */
height: 24px;
/* Vertically center dots with
flexbox. */
display: flex;
align-items: center;
color: var(--color-left-sidebar-header-vdots-visible);
&:hover {
color: var(--color-vdots-hover);
}
}
}
.condensed-views-popover-menu {
.left-sidebar-popover-icon-label-count {
display: flex;
align-items: baseline;
}
.filter-icon {
align-self: center;
height: 15px;
}
.left-sidebar-navigation-label {
flex: 1 0 0;
margin-left: 3px;
}
.unread_count {
margin-left: 6px;
border-color: var(--color-border-unread-counter-popover-menu);
}
}
.subscription_block {
grid-template-columns:
7px 22px minmax(0, 1fr) minmax(0, max-content)
30px 0;
white-space: nowrap;
.stream-privacy {
grid-area: starting-anchor-element;
display: flex;
place-content: center center;
.zulip-icon.zulip-icon-globe {
/* 12px at 14px/1em */
font-size: 0.8571em;
}
.zulip-icon.zulip-icon-hashtag {
/* 13px at 14px/1em */
font-size: 0.9286em;
}
.zulip-icon.zulip-icon-lock {
/* 13px at 14px/1em */
font-size: 0.9286em;
}
}
.stream-name {
grid-area: row-content;
}
}
.topic-box,
.searching-for-more-topics {
grid-template-columns:
25px $topic_resolve_width minmax(0, 1fr) minmax(0, max-content)
30px 0;
}
.topic-box .zero_count {
display: none;
}
.sidebar-topic-name {
cursor: pointer;
grid-area: row-content;
padding: 0 $before_unread_count_padding 0 0;
/* TODO: Consolidate these styles with conversation partners and stream name
once grid rewrite is complete on all sidebar rows.
Also: note that these styles will be moot for topic names once we allow
for multiline topics. If we hold multiline topics to a certain number
of lines, we'll likely need a JavaScript-based solution like Clamp.js
to display an ellipsis on the final visible line. */
white-space: nowrap;
/* Both `hidden` and `clip` are shown for the sake
of older browsers that do not support `clip`. */
overflow-x: hidden;
overflow-x: clip;
text-overflow: ellipsis;
}
.searching-for-more-topics img {
height: 16px;
grid-area: row-content;
}
.sidebar-topic-check {
grid-area: starting-anchor-element;
font-size: 15px;
}
.stream-markers-and-controls,
.topic-markers-and-controls {
grid-area: markers-and-controls;
display: flex;
/* Present a uniform space between icons */
gap: 5px;
align-items: center;
.unread_mention_info {
/* Unset margin in favor of flex gap. */
margin: 0;
}
.unread_count {
/* Height is set here by the flexbox; this
decouples .unread_count from the app-wide
definition. */
height: auto;
}
}
.bottom_left_row .sidebar-menu-icon {
grid-area: ending-anchor-element;
}
.conversation-partners-list,
.stream-name {
white-space: nowrap;
overflow-x: hidden;
overflow-x: clip;
text-overflow: ellipsis;
padding: 0 $before_unread_count_padding 0 0;
}
.conversation-partners-list {
/* TODO: See about consolidating or re-expressing
.stream-name spacing so as to not require
padding there, either. */
padding: 0;
}
/*
All of our left sidebar handlers use absolute
positioning. We should fix that.
*/
.bottom_left_row .sidebar-menu-icon,
.top_left_row .sidebar-menu-icon {
display: none;
width: 100%;
cursor: pointer;
/* Use a flex container to handle
icon centering within the grid area.
:hover actually sets the `display: flex`,
so it remains hidden otherwise. */
justify-content: center;
text-align: center;
/* Set the icon size, which will be inherited
by .zulip-icon */
font-size: 17px;
/*
If you hover directly over the ellipsis itself,
show it in black.
*/
&:hover {
color: var(--color-vdots-hover);
}
/*
Hover does not work for touch-based devices like mobile phones.
Hence the icons does not appear, making the user unaware of its
presence on such devices. The following media property displays the
icon by default for such behaviour.
*/
@media (hover: none) {
display: flex;
/* Show dots on touchscreens in a less distracting,
lighter shade. */
color: var(--color-vdots-hint);
}
}
/*
When you hover over list items, we hover
the vdots in light gray.
The stream icon should always display when
any topic is hovered, which is why it gets
a more specific selector here.
*/
#stream_filters li:hover .stream-sidebar-menu-icon,
.top_left_row:hover .sidebar-menu-icon,
.bottom_left_row:hover .sidebar-menu-icon,
.app-main .column-left .left-sidebar .left_sidebar_menu_icon_visible {
/* We push against `display: none` with
`display: flex` because the sidebar vdots
all expect to be displayed as flex items
when visible. Their vertical alignment
depends on it, too. */
display: flex;
color: var(--color-vdots-visible);
/*
If you hover directly over the vdots icon,
show it in black.
*/
&:hover {
color: var(--color-vdots-hover);
}
}
/*
For topic ellipsis-v(vertical 3 dots) we use a slightly smaller
font to show they're "lower" in the hierarchy,
which also affects it positioning.
*/
.topic-sidebar-menu-icon {
/* 0.9em, but with a pixel value because the
ordinary 17px vdots size is not inherited
here, so we can't express an em-value
directly. Pixels are easier to reason
about with icons, anyway. */
font-size: 15.3px;
}
ul.topic-list {
list-style-type: none;
font-weight: normal;
}
li.topic-list-item {
position: relative;
padding-right: 5px;
}
.dm-box {
grid-template-columns: 7px 22px minmax(0, 1fr) minmax(0, max-content) 30px 0;
.conversation-partners-icon {
grid-area: starting-anchor-element;
place-self: center;
}
.dm-name {
grid-area: row-content;
}
.user_circle {
width: 8px;
height: 8px;
/* TODO: Remove these after right-sidebar
row rewrites. */
float: none;
position: static;
}
.zulip-icon.zulip-icon-bot {
font-size: 90%; /* Reduce the bulkiness of this icon */
}
.unread_count {
grid-area: markers-and-controls;
/* TODO: This is an alternative method
for presenting a 16px-tall unread
counter, regardless of context. This
method could be used app-wide once
all of the layout methods for presenting
unreads have been modernized.
Set the line-height to match the
font-size, so that the numerals sit in
a 12px box. */
line-height: 12px;
/* Use flexbox to vertically center
the 12px-high text node within the
16px-high unread box. */
display: flex;
align-items: center;
}
}
.zoom-out {
#topics_header {
display: none;
}
.zoom-out-hide {
display: none;
}
}
#topics_header {
position: sticky;
top: 0;
z-index: 2;
grid-template-columns: 0 0 minmax(0, 1fr) max-content 0 42px;
grid-template-rows: var(--line-height-sidebar-row-prominent);
padding-top: $sections_vertical_gutter;
color: hsl(0deg 0% 43%);
background-color: var(--color-background);
.show-all-streams {
grid-area: row-content;
color: inherit;
text-decoration: none;
text-transform: uppercase;
margin-left: calc($far_left_gutter_size + 2px);
& i {
margin: 0 6px 0 13px;
position: relative;
top: 1px;
}
}
.unread_count {
grid-area: markers-and-controls;
}
}
#streams_header {
grid-template-columns: 0 0 minmax(0, 1fr) minmax(17px, max-content) 30px 12px;
/* Keep the stream-search area rows collapsed. */
grid-template-rows: var(--line-height-sidebar-row-prominent) 0 0;
cursor: pointer;
padding: $sections_vertical_gutter 0 3px calc($far_left_gutter_size + 2px);
position: sticky;
/* Keep sticky within SimpleBar context. */
top: 0;
background-color: var(--color-background);
/* Ideally, 0px should work here, but maybe simplebar is doing something
that is creating `0.5px` extra gap in zoomed-in windows. */
z-index: 1;
&.showing-stream-search-section {
/* Open up the stream-search rows. The 10px
row maintains space with the streams list
below. */
grid-template-rows: var(--line-height-sidebar-row-prominent) 28px 10px;
}
.left-sidebar-title {
grid-area: row-content;
}
.heading-markers-and-controls {
grid-area: markers-and-controls;
height: 100%;
display: flex;
align-items: center;
grid-gap: 5px;
}
#filter_streams_tooltip {
display: flex;
align-items: center;
justify-content: center;
width: var(--left-sidebar-header-icon-width);
}
#add_streams_tooltip {
display: flex;
align-items: center;
justify-content: center;
width: var(--left-sidebar-header-icon-width);
}
.input-append {
grid-area: filter-box;
display: flex;
justify-content: stretch;
/* Set an even line-height for better
vertical centering. */
line-height: 20px;
white-space: nowrap;
& input {
/* Use the border-box model so flex
can do its thing despite whatever
padding and border we specify. */
box-sizing: border-box;
flex: 1 0 100%;
/* Match the input height exactly
with the row height for a perfect
fit and better vertical alignment. */
height: 28px;
/* Pad the entire clear-button area,
so that input text does not bleed
into there. */
padding-right: 30px;
}
.clear_search_button {
/* Use the border-box model so flex
can do its thing despite whatever
padding and border we specify. */
box-sizing: border-box;
/* Clear inherited positioning. */
position: static;
/* We're going to use flexbox, not
positioning, to get the clear button
over top of the input. This -30px
margin accomplishes that, in tandem
with the 30px width of this element,
which is shared with the ending
anchor element in left sidebar header
rows. */
width: 30px;
margin-left: -30px;
/* Flexbox respects z-index; this just
ensures the button remains over top
of the input. */
z-index: 1;
/* Make the button itself a flex container,
so we can perfectly center the X icon. */
display: flex;
justify-content: center;
align-items: center;
/* Flexbox will pull the element open
to make a generous clickable area. */
padding: 0;
}
}
&.hide_unread_counts {
.unread_count,
.unread_count.hide,
.masked_unread_count {
display: none;
}
/* When an empty unread count is hidden,
hide the masked unread count, too. */
.unread_count.hide + .masked_unread_count {
display: none;
}
.masked_unread_count {
display: block;
/* Hold space enough so single-digit
unreads don't shift on hover. */
margin: 0 3px;
}
&:hover {
.unread_count {
display: block;
}
.hide,
.masked_unread_count {
display: none;
}
}
}
}
/* Prepare an adjusted grid for the logged-out state,
one that reassigns the vdots space to markers and
controls. */
.spectator-view #streams_header {
grid-template-columns: 0 0 minmax(0, 1fr) minmax(30px, max-content) 0 12px;
/* With markers and controls now sized the same
as the ordinary vdots area (but allowed to grow,
care of `minmax(30px, max-content)`, should
additional logged-out icons be added in the
future), let's center the icon in that area,
just like vdots would be. */
.heading-markers-and-controls {
justify-content: center;
}
}
.streams_subheader {
font-size: 0.8em;
font-weight: normal;
/* 16px line-height at 0.8em (11.2px at 14px legacy em) */
line-height: 1.4286em;
padding-left: $far_left_gutter_size;
cursor: pointer;
text-align: center;
margin-right: 12px;
color: hsl(240deg 10% 50%);
& span {
display: flex;
flex-direction: row;
width: 100%;
left: 0.5em;
right: 0.5em;
opacity: 0.5;
}
& span::before,
span::after {
content: " ";
flex: 1 1;
vertical-align: middle;
margin: auto;
border: 0.5px solid hsl(240deg 10% 50%);
opacity: 0.2;
}
& span::before {
margin-right: 0.5em;
}
& span::after {
margin-left: 0.5em;
}
}
.stream-list-filter {
white-space: nowrap;
text-overflow: ellipsis;
overflow: hidden;
}
.topic-list-filter {
/* Input width = 100% - 30px right-margin - 6px right-padding */
/* To keep the right edge of input along with its borders inline with other
topic items we consider to subtract the space given for right margin of
other items, and right padding of input element. */
width: calc(100% - 36px);
}
.zero_count {
visibility: hidden;
}
.zero-topic-unreads.show-more-topics .topic-box {
margin-right: 30px;
}
.zoom-in {
.narrow-filter > .bottom_left_row {
position: sticky;
top: calc($sections_vertical_gutter + 20px);
z-index: 2;
padding-bottom: 1px;
background-color: var(--color-background);
}
#streams_header,
#subscribe-to-more-streams,
.show-more-topics {
display: none;
}
&.direct-messages-container ul.dm-list {
margin-bottom: $bottom_scrolling_buffer;
}
#more_private_messages_sidebar_title {
display: inline;
}
#hide-more-direct-messages {
display: block;
text-decoration: none;
color: inherit;
font-size: 12px;
& span {
display: block;
/* TODO: Rewrite the show-more and show-less
buttons as grids alongside the left sidebar
header rewrites. The 12px left padding here
aligns the "back to channels" text with the
DIRECT MESSAGES heading above, which itself
is offset -3 px to the left, but reserves
15px for the arrow marker. 15px - 3px = 12px. */
padding: 2px 0 2px 12px;
}
&:hover {
& span {
background-color: hsl(120deg 12.3% 71.4% / 38%);
border-radius: 4px;
}
}
}
.zoom-in-hide {
display: none;
}
.zoom-in-sticky {
position: sticky;
top: 0;
z-index: 1;
}
}