/* 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 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);

#left-sidebar {
    #user-list {
        padding-left: 10px;
    }
}

.hashtag {
    &:empty {
        &::after {
            content: "#";
            line-height: 0;
            font-size: 18px;
            font-weight: 800;
        }
    }
}

.stream-privacy {
    font-size: 15px;
    font-weight: 800;
    min-width: $left_col_size;
    text-align: center;
}

/* Ideally we'd handle hashtags using an <i> and just have a single rule here. */
.stream-privacy span.hashtag,
#left-sidebar .filter-icon i {
    padding-right: 3px;
}

.pm_left_col {
    min-width: $left_col_size;
}

#stream_filters,
#global_filters {
    font-size: 14px;
    margin-right: 12px;
}

li.show-more-topics {
    a {
        font-size: 12px;
    }
}

#streams_inline_cog,
#streams_filter_icon {
    float: right;
    opacity: 0.5;
    font-size: 13px;
    margin-top: 3px;
    margin-left: 10px;

    &:hover {
        opacity: 1;
        cursor: pointer;
    }
}

#streams_inline_cog {
    margin-right: 10px;
}

.tooltip {
    max-width: 18em;
}

#stream_filters {
    overflow: visible;
    margin-bottom: 10px;
    margin-right: 12px;
    padding: 0;
    font-weight: normal;

    li {
        a {
            padding: 1px 0;
        }

        ul {
            margin-left: 0;

            &.topic-list li {
                padding-top: 2px;
                padding-right: 0;
                padding-bottom: 2px;
                padding-left: $topic_indent;
            }
        }
    }

    .count {
        margin-right: 15px;
    }

    .subscription_block {
        padding: 0;
        margin-right: 25px;
        margin-left: $far_left_gutter_size;
        display: flex;
        justify-content: space-between;
        align-items: center;
        white-space: nowrap;
        text-overflow: ellipsis;
        overflow: hidden;

        &::after {
            content: "";
            display: block;
            clear: both;
        }

        .stream-name {
            display: inline-block;
            overflow: hidden;
            text-overflow: ellipsis;
            position: relative;
            width: 100%;
            padding-right: 2px;
        }

        &.stream-with-count {
            margin-right: 15px;
        }
    }

    .inactive_stream {
        opacity: 0.5;
    }
}

.narrows_panel {
    margin-bottom: 4px;
    li a {
        margin-top: 1px;
        &:hover {
            text-decoration: none;
        }
    }
}

#private-container,
#stream-filters-container {
    overflow-x: hidden;
    overflow-y: auto;
    position: relative;
    z-index: 0;
    width: 100%;
}

#private-container {
    max-height: 200px;
}

:not(.active-sub-filter) {
    &.top_left_row:hover,
    &.bottom_left_row:hover,
    &#stream_filters li.highlighted_stream {
        background-color: hsla(120, 12.3%, 71.4%, 0.38);
        border-radius: 4px;
    }
}

#add-stream-link {
    text-decoration: none;
    margin-left: 10px;
    margin-bottom: 18px;
    i {
        min-width: 19px;
        text-align: center;
        &::before {
            padding-right: 3px;
        }
    }
}

ul.filters {
    list-style-type: none;
    margin-left: 0;

    a {
        color: inherit;
    }

    hr {
        margin-top: 10px;
        margin-bottom: 10px;
    }

    li.muted_topic,
    li.out_of_home_view {
        opacity: 0.25;
    }

    li.out_of_home_view {
        &:hover {
            opacity: 0.6;
        }

        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 unreadable opacity of 0.25^2. */
            opacity: 1;
        }
    }
}

li.active-filter,
li.active-sub-filter {
    font-weight: 600 !important;
    background-color: hsl(202, 56%, 91%);
    position: relative;
    border-radius: 4px;
}

#global_filters {
    margin-bottom: 16px;

    .filter-icon {
        display: inline-block;
        min-width: $left_col_size;
        text-align: center;
    }

    .count {
        margin-right: 20px;
        margin-top: 2px;
        display: none;
    }

    i {
        opacity: 0.7;
    }
}

li.top_left_all_messages,
.private_messages_header,
li.top_left_mentions,
li.top_left_starred_messages,
li.top_left_recent_topics {
    position: relative;
    padding-top: 1px;
    padding-bottom: 1px;

    a {
        display: block;
    }
}

.top_left_row {
    padding-left: $far_left_gutter_size;
    padding-right: 10px;
}

.top_left_row,
.bottom_left_row,
.top_left_private_messages {
    border-radius: 4px;
}

.conversation-partners {
    line-height: 1.25;
}

.top_left_all_messages i.fa-align-left {
    position: relative;
    font-size: 15px;
}

.top_left_private_messages i.fa-envelope {
    position: relative;
    top: -1px;
    font-size: 11px;
}

.top_left_mentions i.fa-at,
.top_left_starred_messages i.fa-star {
    font-size: 13px;
}

/* We are mostly consistent in how we style
   unread counts, except for starred messages.
   This is the common section.
*/
.top_left_all_messages .count,
.top_left_private_messages .count,
.top_left_starred_messages .count,
.top_left_mentions .count,
#stream_filters .count,
.topic-unread-count,
.private_message_count {
    float: right;
    padding: 0 4px;
    height: 16px;
    line-height: 16px;
    font-size: 12px;
    font-weight: normal;
    letter-spacing: 0.6px;
    border-radius: 4px;
}

/* Starred messaged counts aren't really unread
   counts, so we style them differently.
*/
.top_left_starred_messages .count {
    background-color: transparent;
    color: inherit;
    padding: 2px 1px 0 3px;
    border-color: hsl(105, 2%, 50%);
}

/* These are true "unread" counts. */
.top_left_all_messages .count,
.top_left_private_messages .count,
.top_left_mentions .count,
#stream_filters .count,
.topic-unread-count,
.private_message_count {
    background-color: hsl(105, 2%, 50%);
    color: hsl(0, 0%, 100%);
}

.topic-box {
    padding-left: 5px;
    margin-right: 30px;
}

.conversation-partners,
.topic-name {
    display: block;
    width: calc(100% - 5px);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-right: 2px;
}

.topic-name {
    /* TODO: We should figure out how to remove this without changing the spacing */
    line-height: 1.1;
}

/*
    All of our left sidebar handlers use absolute
    positioning.  We should fix that.
*/
.all-messages-sidebar-menu-icon,
.stream-sidebar-menu-icon,
.starred-messages-sidebar-menu-icon,
.topic-sidebar-menu-icon {
    position: absolute;
    display: none;
    right: 10px;

    i {
        padding-right: 0.25em;
        display: inline-block;
        width: 13px;
        vertical-align: middle;
    }

    /*
        If you hover directly over the ellipsis itself,
        show it in black.
    */

    &:hover {
        color: hsl(0, 0%, 0%) !important;
    }
}

/*
    The All messages and stream ellipsis-v (vertical 3 dots) are
    pretty similar.
*/
.all-messages-sidebar-menu-icon,
.starred-messages-sidebar-menu-icon,
.stream-sidebar-menu-icon {
    top: 1px;
    right: 0;
    font-size: 1em;
    text-align: center;
    padding: 0 6px 0 6px;
}

/*
    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 {
    top: 0;
    right: 0;
    font-size: 0.9em;
    text-align: center;
    padding: 1px 6px 0 6px;
}

/*
    When you hover over list items, we hover
    the relevant ellipsis-v(vertical 3 dots) in light gray.
*/
li.top_left_all_messages:hover .all-messages-sidebar-menu-icon,
li.top_left_starred_messages:hover .starred-messages-sidebar-menu-icon,
#stream_filters li:hover .stream-sidebar-menu-icon,
li.topic-list-item:hover .topic-sidebar-menu-icon {
    display: inline;
    cursor: pointer;
    color: hsl(0, 0%, 53%);
}

ul.topic-list {
    list-style-type: none;
    font-weight: normal;
}

ul.expanded_private_messages {
    list-style-type: none;
    font-size: 13px;
    font-weight: 400;
    margin-left: 0;
    padding-bottom: 2px;
    margin-top: 3px;
}

li.topic-list-item {
    position: relative;
    padding-right: 5px;
}

li.expanded_private_message {
    position: relative;
    padding-top: 1px;
    padding-bottom: 1px;

    a {
        margin: 1px 0;
    }
}

.show-all-streams {
    a {
        color: hsl(0, 0%, 20%);
    }

    .fa-chevron-left {
        text-decoration: none;
    }
}

.pm-box,
.topic-box {
    display: flex;
    justify-content: center;
    padding-top: 1px;
    cursor: pointer;
}

.pm-box {
    margin-right: 20px;
    align-items: center;

    .user_circle {
        min-width: 8px;
        height: 8px;
        margin-top: 0;
        margin-bottom: 0;
        margin-left: 2px;
        position: relative;
        top: 0;
    }
}

.zero-pm-unreads .pm-box,
.zero-topic-unreads .more-topics-box,
.zero-topic-unreads .topic-box {
    margin-right: 15px;
}

.zoom-out {
    #topics_header {
        display: none;
    }
}

#topics_header {
    margin-right: 10px;
    color: hsl(0, 0%, 43%);
    a {
        color: inherit;
        text-decoration: none;
        text-transform: uppercase;
        i {
            margin: 0 5px 0 10px;
            position: relative;
            top: 1px;
        }
    }
}

#streams_header {
    margin-right: 0;
    padding-left: $far_left_gutter_size;
    cursor: pointer;
    margin-top: 3px;
}

.zero_count {
    visibility: hidden;
}

.searching-for-more-topics img {
    height: 16px;
    margin-left: 6px;
}

.zoom-in {
    .show-more-topics {
        display: none;
    }
    .zoom-in-hide {
        display: none;
    }
}

li.top_left_all_messages a,
li.top_left_private_messages a,
li.top_left_mentions a,
li.top_left_starred_messages a {
    display: block;
}