zulip/web/styles/app_variables.css

:root {
    /* Zulip color palette */
    /* stylelint-disable color-no-hex */
    /* grey */
    --grey-0: #f7f8fc;
    --grey-50: #f2f3f7;
    --grey-100: #e9ebf2;
    --grey-150: #dfe1e8;
    --grey-200: #cbcdd6;
    --grey-250: #bbbdc8;
    --grey-300: #aaadba;
    --grey-350: #9ea1ae;
    --grey-400: #9194a3;
    --grey-450: #858897;
    --grey-500: #767988;
    --grey-550: #626573;
    --grey-600: #535663;
    --grey-650: #444754;
    --grey-700: #393c49;
    --grey-750: #2d303c;
    --grey-800: #242631;
    --grey-850: #181a25;
    --grey-900: #11131e;
    --grey-950: #0a0c17;
    --grey-1000: #070812;

    /* purple */
    --purple-0: #f3f2fd;
    --purple-50: #ededfc;
    --purple-100: #e5e5fc;
    --purple-150: #dbdaff;
    --purple-200: #c9c7fd;
    --purple-250: #b8b4ff;
    --purple-300: #aba5fd;
    --purple-350: #9e94fd;
    --purple-400: #9283fd;
    --purple-450: #8a70fc;
    --purple-500: #7f63ee;
    --purple-550: #7153dc;
    --purple-600: #5f3cc5;
    --purple-650: #522ab4;
    --purple-700: #4615a3;
    --purple-750: #370386;
    --purple-800: #2c0070;
    --purple-850: #200154;
    --purple-900: #13013a;
    --purple-950: #0d002c;
    --purple-1000: #070020;

    /* violet */
    --violet-0: #f1f3fe;
    --violet-50: #eceefc;
    --violet-100: #e3e6fd;
    --violet-150: #d8dcfc;
    --violet-200: #c3c9fe;
    --violet-250: #b1b7fe;
    --violet-300: #a3a9fc;
    --violet-350: #9398fd;
    --violet-400: #8688fd;
    --violet-450: #7977fe;
    --violet-500: #6e69f3;
    --violet-550: #6159e1;
    --violet-600: #4f42c9;
    --violet-650: #4331b8;
    --violet-700: #381da7;
    --violet-750: #2b0e8a;
    --violet-800: #230773;
    --violet-850: #180557;
    --violet-900: #0e033c;
    --violet-950: #08012e;
    --violet-1000: #050121;

    /* blue */
    --blue-0: #eff3fe;
    --blue-50: #e5edfe;
    --blue-100: #dae5fd;
    --blue-150: #cbdbfd;
    --blue-200: #b4cafd;
    --blue-250: #97b6fe;
    --blue-300: #84a8fd;
    --blue-350: #7199fe;
    --blue-400: #5f8bfc;
    --blue-450: #4d7bfd;
    --blue-500: #406ef6;
    --blue-550: #325ce3;
    --blue-600: #2145cb;
    --blue-650: #1633b9;
    --blue-700: #0f23ac;
    --blue-750: #0a089b;
    --blue-800: #06037c;
    --blue-850: #03025c;
    --blue-900: #020145;
    --blue-950: #010034;
    --blue-1000: #010024;

    /* green */
    --green-0: #ebffee;
    --green-50: #d0fed8;
    --green-100: #b4ffc3;
    --green-150: #a3f9b5;
    --green-200: #82e89a;
    --green-250: #6bd586;
    --green-300: #57c273;
    --green-350: #41ae61;
    --green-400: #2f9f52;
    --green-450: #158f44;
    --green-500: #07833c;
    --green-550: #087736;
    --green-600: #09672e;
    --green-650: #035926;
    --green-700: #054f22;
    --green-750: #05401b;
    --green-800: #013112;
    --green-850: #03260e;
    --green-900: #001d07;
    --green-950: #011505;
    --green-1000: #010d03;

    /* orange */
    --orange-0: #fef4e3;
    --orange-50: #ffeccd;
    --orange-100: #ffda9b;
    --orange-150: #fecb6f;
    --orange-200: #febe3d;
    --orange-250: #f8b325;
    --orange-300: #eba002;
    --orange-350: #db920d;
    --orange-400: #c8850d;
    --orange-450: #ba7401;
    --orange-500: #a96a05;
    --orange-550: #9c5c00;
    --orange-600: #88520c;
    --orange-650: #764607;
    --orange-700: #623b0c;
    --orange-750: #4f2e06;
    --orange-800: #3f2404;
    --orange-850: #321c04;
    --orange-900: #291602;
    --orange-950: #200f01;
    --orange-1000: #180c03;

    /* red */
    --red-0: #fcf3f2;
    --red-50: #ffe4e0;
    --red-100: #ffd4cd;
    --red-150: #ffbfb5;
    --red-200: #fea497;
    --red-250: #ff8b7c;
    --red-300: #fd7465;
    --red-350: #fd5f50;
    --red-400: #f34c3e;
    --red-450: #e1392e;
    --red-500: #d22720;
    --red-550: #c0070a;
    --red-600: #ac0508;
    --red-650: #960708;
    --red-700: #7c0203;
    --red-750: #650102;
    --red-800: #4f0001;
    --red-850: #400101;
    --red-900: #330201;
    --red-950: #280100;
    --red-1000: #1a0200;

    color-scheme: light;

    /*
    This is the header, aka the navbar.
    */
    --header-height: 40px;

    /*
    At 600px, the header starts taking up more than 5%
    of the screen. We make it shorter to leave more space
    to see the rest of the app. */
    @media (height < $short_navbar_cutoff_height) {
        --header-height: 30px;
    }

    /*
    Height of the search box, which appears in the header.
    */
    --search-box-height: 32px;
    --search-box-width: 150px;

    @media (width < $md_min) {
        --search-box-width: 40px;
    }

    /*
        On very short screens, the search box's height becomes
        is reduced to fit the available space.
    */
    @media (height < $short_navbar_cutoff_height) {
        --search-box-height: 28px;
    }

    /*
    Since #navbar_alerts_wrapper can take variable height depending upon
    window width / language, we sync its height in navbar_alerts.js
    */
    --navbar-alerts-wrapper-height: 0px;
    --navbar-fixed-height: calc(
        var(--header-height) + var(--navbar-alerts-wrapper-height)
    );
    /* Keep content from colliding with the search box. */
    --navbar-content-righthand-offset: 5px;

    /*
    We have a 10px gutter below the header,
    which often needs to be respected by both
    the elements above it and below it on
    the y-axis, due to absolute positioning.
    */
    --header-padding-bottom: 10px;

    /*
    Our sidebars (and anything that top-align
    with them) go beneath the header.
    */
    /* The width of the empty space in the sidebar to separate
       content from the edge of the window */
    --left-sidebar-padding-left: 8px;
    /* The empty space between left-sidebar row icons and
       the row content.
       7px at 16px/1em */
    --left-sidebar-icon-content-gap: 0.4375em;
    /* The space allotted in gridded rows for the toggle icon. */
    --left-sidebar-header-icon-toggle-width: 20px;
    /* Other rows need an offset to preserve a column the
       entire height of the left sidebar for where toggles sit. */
    --left-sidebar-toggle-width-offset: var(
        --left-sidebar-header-icon-toggle-width
    );
    /* This represents the space in the sidebar reserved for symbols like
       the #; labels like the stream name go to the right of this. */
    --left-sidebar-icon-column-width: 16px;
    /* space direct message / stream / topic names from unread counters
    and @ mention indicators by 3px on the right */
    --left-sidebar-before-unread-count-padding: 3px;
    --left-sidebar-right-margin: 12px;
    /* 289px at 14px/1em */
    --left-sidebar-max-width: calc(
        20.6429em - var(--left-sidebar-right-margin)
    );
    /* Sidebar width is 1/3 of the screen at smaller
       sizes, but gets held to the left sidebar's max width.
       This is very useful for areas in the CSS codebase
       that rely on this value, but not necessarily as
       applied to `width:` or `max-width:`. */
    --left-sidebar-width: min(33.3333%, var(--left-sidebar-max-width));
    /* 40px (toggle icon) + 5px (gap) + 20px logo + 10px right margin */
    --left-sidebar-width-with-realm-icon-logo: 75px;
    --right-sidebar-width: 250px;
    --left-sidebar-header-icon-width: 15px;
    /* Space between section in the left sidebar. */
    --left-sidebar-sections-vertical-gutter: 8px;
    /* The legacy value here is 25px; that's the unitless legacy line-height
       of 20px, plus 5px at 14px/1em */
    --left-sidebar-bottom-scrolling-buffer: calc(
        (var(--legacy-body-line-height-unitless) * 1em) + 0.3571em
    );

    /* We base sidebar row heights on their line heights.
       Prominent rows include things like headers (e.g., VIEWS)
       as well as navigation items. Everything else takes
       the smaller line-height. */
    --line-height-sidebar-row-prominent: 1.7142em; /* 24px / 14px em */
    --line-height-sidebar-row: 1.5714em; /* 22px / 14px em */

    /* Right sidebar */
    --right-sidebar-padding-right: 8px;
    /* Vlad's design adds 2px of extra padding beyond the
       space created by the padding-left on .right-sidebar,
       which separates the right sidebar from the message area. */
    --right-sidebar-padding-left: 2px;

    /* Tippy popover related values */
    --navbar-popover-menu-min-width: 230px;
    --message-actions-popover-min-width: 230px;
    --user-group-info-popover-min-width: 16.4285em; /* 230px / 14px em */
    --topic-actions-popover-min-width: 200px;
    --user-card-popover-min-width: 200px;
    --stream-card-popover-min-width: 16.4285em;

    /* Information density and typography values */
    /* The legacy values here are updated via JavaScript */
    --base-font-size-px: 14px;
    --base-line-height-unitless: 1.214;
    --base-maximum-block-height-em: 1.425em;
    --line-fitted-vertical-align-offset-em: 0;
    --markdown-interelement-space-px: 5px;
    --markdown-interelement-doubled-space-px: calc(
        var(--markdown-interelement-space-px) * 2
    );
    /* Certain elements need to be fitted perfectly to
       the line height; the length here can be used to set
       precise heights, and in the case of square elements,
       a matching precise width as well. */
    --length-line-fitted-block: calc(var(--base-line-height-unitless) * 1em);
    /* Emoji elements are allowed to exceed the perfectly-fit
       line-height. Classic Zulip emoji sizing is a 20px square
       emoji at a 14px font-size, for 1.4286em at 14px/1em. */
    --length-line-oversize-block: 1.4286em;
    /* To avoid disturbing the flow of text around emoji or other
       oversize inline blocks, we calculate a negative margin
       adjustment for offsetting the emoji, top and bottom. */
    --length-line-oversize-block-margin-adjust: calc(
        (
                (
                        min(
                            var(--base-maximum-block-height-em),
                            var(--length-line-fitted-block)
                        )
                    ) - var(--length-line-oversize-block)
            ) / 2
    );

    /* Legacy values */
    --legacy-body-line-height-unitless: calc(20 / 14);

    .more-dense-mode {
        /* The legacy values here are not altered by JavaScript */
        --base-font-size-px: 14px;
        --base-line-height-unitless: 1.214;
        --markdown-interelement-space-px: 5px;
        --markdown-interelement-doubled-space-px: 10px;
        --message-box-markdown-aligned-vertical-space: 5px;
    }

    /* Shared sidebar typography and effects values. */
    --font-weight-sidebar-heading: 600;
    --font-weight-sidebar-action-heading: 370;
    --font-variant-sidebar-action-heading: all-small-caps;
    --font-feature-settings-sidebar-action-heading: "c2sc", "smcp";
    /* 17px at 16px/1em = 1.0625em */
    --font-size-sidebar-action-heading: 1.0625em;
    --text-transform-sidebar-action-heading: uppercase;
    --letter-spacing-sidebar-heading: 0.0469em;
    --opacity-sidebar-heading: 0.7;
    --opacity-right-sidebar-subheading: 0.65;
    --opacity-right-sidebar-subheading-hover: 0.9;

    /*
    Message box elements and values.
    */
    /* 35px at 14px/1em */
    --message-box-avatar-width: 2.5em;
    --message-box-avatar-height: var(--message-box-avatar-width);
    /* 46px at 14px/1em */
    --message-box-avatar-column-width: 3.2857em;
    /* Increase the margin here to account for the
       focus ring, which is offset by -1px, as well
       as the vertical height between the hover icons
       and focus ring. */
    --message-box-vertical-margin: calc(
        var(--markdown-interelement-space-px) * 1.4
    );
    --message-box-markdown-aligned-vertical-space: var(
        --markdown-interelement-space-px
    );
    /* 22px matches to the width of the padded icon. */
    --message-box-icon-width: 22px;
    --message-box-icon-height: 25px;
    --message-box-height-senderless-single-line-message: calc(
        var(--base-line-height-unitless) * var(--base-font-size-px) +
            calc(var(--markdown-interelement-space-px) * 2)
    );
    /* The line-height on the sender line should coordinate with the
       height of a single-line, senderless message, but never be smaller
       than the height of the hover icons. The sender line never wraps,
       so this just keeps everything in line with the grid definition. */
    --message-box-sender-line-height: max(
        var(--message-box-icon-height),
        var(--message-box-height-senderless-single-line-message)
    );
    /* This width is updated with an exact pixel
       width upon UI initialization. */
    --message-box-timestamp-column-width: 0;

    /*
    Reaction container UI scaling.
    */
    --scale-message-reaction-active: 0.96;

    /*
    Left position of unread marker. Only needs to be tracked if it is negative so that
    it doesn't leak through message header.
    */
    --unread-marker-left: -1px;
    --masked-unread-count-margin-right: 3px;

    /*
    Compose-recipient box minimum height. Used in a flexbox context to
    allow elements like DM pills to stack without breaking out of their
    flex item. 2.1786em is 30.5px at 14px/1em.
    */
    --compose-recipient-box-min-height: 2.1786em;
    /* 28px at 14px/1em */
    /* Note that this variable can only be used in contexts where
       the font-size doesn't deviate from the base font-size;
       that excludes contexts like .compose_control_button, which
       uses font-sizing to adjust the size of the icon. Related
       values have been noted in comments with this variable name,
       to make their coordination a little less painful. */
    --compose-formatting-buttons-row-height: 2em;

    /*
    Width of the area where the compose box buttons are placed, "inside"
    the right edge of the compose box. This is used for the negative right
    margin and the right padding of the textbox to extend it into the compose
    expand / collapse buttons area, but keep the text from showing under the
    the buttons.
    */
    --composebox-buttons-width: 24px;

    /*
    Width of the send menu area with the Send button, Draft(s) button
    and the vdots.
    */
    --compose-send-controls-width: 112px;

    @media ((width >= $sm_min) and (width < $mc_min)) {
        --compose-send-controls-width: 62px;
    }

    @media (width < $sm_min) {
        --compose-send-controls-width: 28px;
    }

    /*
    Width to be reserved for document scrollbar when scrolling is disabled.
    Using `scrollbar-gutter` would be more appropriate but doesn't has wide
    support and doesn't work for `fixed` elements.
    */
    --disabled-scrollbar-width: 0px;

    /*
    Right offset of simplebar scrollbar for `.column-right` when browser has
    overlay scrollbars which don't occupy any space. Currently only
    known to present on Mac (all browsers) and Firefox (all OS?). This seems
    more than enough to differentiate right sidebar scrollbar and browser
    scrollbar even if the browser scrollbar is wider.
    */
    --browser-overlay-scrollbar-width: 10px;

    /*
    Sometimes it's necessary to keep elements, especially those with hover
    controls or other interactivity, from appearing beneath Simplebar scroll
    bars.
    */
    --width-simplebar-scroll: 11px;
    --width-simplebar-scroll-hover: 15px;

    /* This is a rough estimate for height occupied by Recent Conversations filters.
       We expect `resize.ts` to update this once UI is initialized. */
    --recent-topics-filters-height: 50px;

    /* Pill dimensions. */
    /* 1.5714em is 22px (border-inclusive) at 14px/1em */
    --height-input-pill: 1.5714em;
    /* Reduce user pill image lengths by 2px to
       preserve an apparent border around
       them, and a square aspect-ratio, even under
       `box-sizing: border-box` in the area. */
    --length-input-pill-image: calc(var(--height-input-pill) - 2px);
    --vertical-spacing-input-pill: 2px;
    --outer-spacing-input-pill-container: var(--vertical-spacing-input-pill);
    --horizontal-spacing-input-pill: 6px;

    /* User circles. */
    /* 8px at 14px/1em */
    --length-user-status-circle: 0.5714em;
    /* Shrink the user activity circle for the Recent Conversations context. */
    /* 7px at 14px/1em */
    --length-user-status-circle-recent-conversations: 0.5em;

    /* Overlay heights for streams modal */
    --overlay-container-height: 95vh;
    --overlay-container-max-height: 1000px;
    /* .subscriptions-header */
    --subscriptions-overlay-header-height: 45px;
    /* .display-type */
    --subscriptions-overlay-display-type-height: 44px;
    /* .settings-sticky-footer */
    --subscriptions-overlay-sticky-footer-height: 60px;
    /* Informational overlay */
    --informational-overlay-max-width: 43.75em;

    /*
    Maximum height of the compose box when it is not in maximised state. This
    is equal to the height of `#bottom_whitespace`. We expect resize.ts to
    replace it with its pixel calculation since even if `vh` has great support,
    it can change depending on browser / OS on mobile devices.
    */
    --max-unmaximized-compose-height: 40vh;

    /* Maximum height of the message-edit and preview areas. */
    --max-message-edit-height: 24em;

    /*
    Line height of the message buttons in compose box. Here it's necessary
    to control this value uniformly and precisely to avoid issues with
    layout shifts originating with non-Latin characters in this area.
    1.429em is 20px at 14px em.
    */
    --line-height-compose-buttons: 1.429em;

    /*
    Maximum height of the subscribers list in stream settings so that
    it doesn't cause the container to have a second scrollbar.
    This value will be overridden when stream settings is opened.
    */
    --stream-subscriber-list-max-height: 100%;

    /*
      Reusable dimensions and offsets.
    */
    --margin-bottom-field-description: 3px;
    /* Gap between tabs in the tab picker */
    --grid-gap-tab-picker: 2px;

    /*
    The tippy arrow which matches the color of the popover's border,
    is formed by stacking two arrows on top of each other, via the
    use of `::before` and `::after` pseudo-elements. This value overrides
    the offset of the `::before` pseudo element to create a thicker border,
    visually consistent with that of it's parent popover.
    */
    --popover-tippy-arrow-before-offset: -6.5px;

    /*
    Padding used in headers for sortable columns in table to make sure
    that the arrow is visible completely for different screen widths,
    languages and font-size including when hovering over the header.
    */
    --table-header-sortable-column-padding-right: 1em;

    /* Colors used across the app */
    --color-date: hsl(0deg 0% 15% / 75%);
    --color-background-private-message-header: hsl(46deg 35% 93%);
    --color-background-private-message-content: hsl(45deg 20% 96%);
    --color-background-stream-message-content: hsl(0deg 0% 100%);
    --color-selected-message-outline: hsl(217deg 64% 59% / 60%);
    --color-message-list-border: hsl(0deg 0% 0% / 16%);
    --color-message-header-contents-border: hsl(0deg 0% 0% / 10%);
    --color-private-message-header-border: hsl(0deg 0% 0% / 10%);
    --color-message-header-contents-border-bottom: hsl(0deg 0% 0% / 5%);
    --color-private-message-header-border-bottom: hsl(0deg 0% 0% / 7%);
    --color-message-header-icon-non-interactive: hsl(0deg 0% 0% / 30%);
    --color-message-header-icon-interactive: hsl(0deg 0% 0%);
    --color-background: hsl(0deg 0% 94%);
    --color-background-widget-input: hsl(0deg 0% 100%);
    --color-background-widget-button: hsl(0deg 0% 100%);
    --color-background-navbar: hsl(0deg 0% 97%);
    --color-background-active-narrow-filter: hsl(202deg 56% 91%);
    --color-background-hover-narrow-filter: hsl(120deg 12.3% 71.4% / 38%);
    /* We mix an opaque version with the background for
       replicating the color on .sidebar-topic-check, which
       will mask a portion of the topic-grouping bracket. */
    --color-background-opaque-hover-narrow-filter: color-mix(
        in srgb,
        hsl(120deg 12.3% 71.4%) 38%,
        hsl(0deg 0% 94%)
    );
    --color-navbar-bottom-border: hsl(0deg 0% 80%);
    --color-unread-marker: hsl(217deg 64% 59%);
    --color-masked-unread-marker: hsl(0deg 0% 80%);
    --color-failed-message-send-icon: hsl(3.88deg 98.84% 66.27%);
    --color-background-modal: hsl(0deg 0% 98%);
    --color-background-invitee-emails-pill-container: hsl(0deg 0% 100%);
    --color-unmuted-or-followed-topic-list-item: hsl(0deg 0% 20%);
    --color-topic-indent-border: hsl(0deg 0% 0% / 19%);
    --color-outline-focus: hsl(215deg 47% 50%);
    --color-background-search: hsl(0deg 0% 100%);
    --color-background-search-option-hover: hsl(0deg 0% 94%);
    --color-search-box-hover-shadow: hsl(0deg 0% 0% / 10%);
    --color-search-shadow-wide: hsl(0deg 0% 0% / 25%);
    --color-search-shadow-tight: hsl(0deg 0% 0% / 10%);
    --color-search-dropdown-top-border: hsla(0deg 0% 0% / 10%);
    --color-search-icons: hsl(0deg 0% 0%);
    --color-background-image-loader: hsl(0deg 0% 0% / 10%);
    --color-icon-purple: hsl(240deg 35% 60%);
    --color-background-popover-menu: hsl(0deg 0% 100%);
    --color-border-popover-menu-separator: hsl(0deg 0% 0% / 10%);
    --color-hotkey-hint: hsl(227deg 78% 59%);
    --color-popover-hotkey-hint: hsl(0deg 0% 40%);
    --color-border-popover-hotkey-hint: hsl(0deg 0% 40% / 50%);
    --color-background-hover-popover-menu: hsl(220deg 12% 5% / 5%);
    --color-background-active-popover-menu: hsl(220deg 12% 5% / 7%);
    --color-border-popover-menu: hsl(0deg 0% 0% / 40%);
    --color-border-personal-menu-avatar: hsl(0deg 0% 0% / 10%);
    --color-background-unread-counter: hsl(105deg 2% 50%);
    --color-border-add-subscription-button-focus: hsl(0deg 0% 20%);
    /* There's no alpha channel here, but this keeps
       the variable names in line. */
    --color-background-unread-counter-no-alpha: var(
        --color-background-unread-counter
    );
    --color-background-unread-counter-dot: var(
        --color-background-unread-counter
    );
    --color-border-unread-counter: var(--color-background-unread-counter);
    --color-border-unread-counter-popover-menu: inherit;
    --color-background-tab-picker-container: hsl(0deg 0% 0% / 7%);
    --color-background-tab-picker-selected-tab: hsl(0deg 0% 100%);
    --color-outline-tab-picker-tab-option: hsl(0deg 0% 0% / 30%);
    --color-background-tab-picker-tab-option-hover: hsl(0deg 0% 100% / 60%);
    --color-background-tab-picker-tab-option-active: hsl(0deg 0% 100% / 35%);
    --color-background-popover: hsl(0deg 0% 100%);
    --color-background-alert-word: hsl(18deg 100% 84%);
    --color-buddy-list-highlighted-user: hsl(120deg 12.3% 71.4% / 38%);
    --color-border-sidebar: hsl(0deg 0% 87%);

    /* Recent view */
    --color-border-recent-view-row: hsl(0deg 0% 87%);
    --color-border-recent-view-table: hsl(0deg 0% 0% / 60%);
    --color-background-recent-view-row: hsl(100deg 11% 96%);
    --color-background-recent-view-row-hover: hsl(210deg 100% 97%);
    --color-background-recent-view-unread-row: hsl(0deg 0% 100%);
    --color-background-recent-view-unread-row-hover: hsl(210deg 100% 97%);
    --color-recent-view-link: hsl(205deg 47% 42%);
    --color-recent-view-link-hover: hsl(214deg 40% 58%);

    /* Compose box colors */
    --color-compose-box-background: hsl(232deg 30% 92%);
    --color-compose-message-content-background: hsl(0deg 0% 100%);
    --color-compose-send-button-icon-color: hsl(0deg 0% 100%);
    --color-compose-send-button-background: hsl(240deg 96% 68%);
    --color-compose-send-button-background-interactive: hsl(240deg 41% 50%);
    --color-compose-send-button-focus-border: hsl(232deg 20% 10%);
    --color-compose-send-button-focus-shadow: hsl(230deg 100% 20%);
    --color-compose-send-control-button: hsl(240deg 30% 50% / 80%);
    --color-compose-send-control-button-background: transparent;
    --color-compose-send-control-button-interactive: hsl(240deg 30% 50%);
    --color-compose-send-control-button-background-interactive: hsl(
        240deg 100% 30% / 5%
    );
    --color-compose-send-control-button-focus-shadow: var(
        --color-compose-send-button-focus-shadow
    );
    --color-compose-collapsed-reply-button-area-background: hsl(0deg 0% 100%);
    --color-compose-collapsed-reply-button-area-background-interactive: var(
        --color-compose-collapsed-reply-button-area-background
    );
    --color-compose-collapsed-reply-button-area-border: hsl(0deg 0% 80%);
    --color-compose-collapsed-reply-button-area-border-interactive: hsl(
        0deg 0% 60%
    );
    --color-compose-embedded-button-text-color: hsl(231deg 20% 55%);
    --color-compose-embedded-button-text-color-hover: hsl(231deg 20% 30%);
    --color-compose-embedded-button-background: transparent;
    --color-compose-embedded-button-background-hover: hsl(
        231deg 100% 90% / 50%
    );
    --color-compose-embedded-button-background-interactive: hsl(
        231deg 100% 90% / 90%
    );
    --color-background-compose-new-message-button: hsl(0deg 0% 100%);
    --color-background-compose-new-message-button-hover: hsl(0deg 0% 100%);
    --color-background-compose-new-message-button-active: hsl(0deg 0% 95%);
    --color-border-compose-new-message-button: hsl(0deg 0% 80%);
    --color-border-compose-new-message-button-hover: hsl(0deg 0% 60%);
    --color-border-compose-new-message-button-active: hsl(0deg 0% 60%);
    --color-compose-chevron-arrow: hsl(0deg 0% 58%);
    --color-limit-indicator: hsl(38deg 100% 36%);
    --color-limit-indicator-over-limit: hsl(3deg 80% 40%);
    --color-narrow-to-compose-recipients-background: hsl(227deg 100% 70% / 25%);
    --color-narrow-to-compose-recipients-background-hover: hsl(
        227deg 100% 70% / 35%
    );
    --color-narrow-to-compose-recipients: hsl(227deg 76% 64%);
    --color-narrow-to-compose-recipients-hover: hsl(227deg 78% 59%);
    --color-composebox-button: hsl(0deg 100% 0% / 55%);
    --color-composebox-button-hover: var(--color-text-default);
    --color-composebox-button-background: hsl(0deg 100% 100% / 60%);
    --color-composebox-button-background-hover: hsl(0deg 0% 95%);
    --color-message-formatting-controls-container: hsl(232deg 30% 96%);
    --color-message-content-container-border: hsl(0deg 0% 0% / 10%);
    --color-message-content-container-border-focus: hsl(0deg 0% 57%);
    --color-compose-control-button-background-hover: hsl(0deg 0% 0% / 5%);
    --color-compose-focus-ring: var(--color-outline-focus);

    /* Text colors */
    --color-text-default: hsl(0deg 0% 20%);
    --color-text-message-default: hsl(0deg 0% 15%);
    --color-text-message-view-header: hsl(0deg 0% 20% / 100%);
    --color-text-message-header: hsl(0deg 0% 15%);
    /* Light and dark mode both use the same hover color on
       sender names. */
    --color-text-sender-name-hover: hsl(200deg 100% 40%);
    --color-text-dropdown-input: hsl(0deg 0% 13.33%);
    --color-text-self-direct-mention: hsl(240deg 52% 45% / 100%);
    --color-text-self-group-mention: hsl(183deg 52% 26% / 100%);
    --color-text-show-more-less-button: hsl(240deg 52% 53%);
    --color-text-search: hsl(0deg 0% 35%);
    --color-text-search-hover: hsl(0deg 0% 0%);
    --color-text-search-placeholder: hsl(0deg 0% 50%);
    --color-text-popover-menu: hsl(0deg 0% 15%);
    --color-text-full-name: hsl(0deg 0% 15%);
    --color-text-item: hsl(0deg 0% 40%);
    --color-text-personal-menu-no-status: hsl(0deg 0% 50%);
    --color-text-personal-menu-some-status: hsl(0deg 0% 40%);
    --color-text-sidebar-heading: hsl(0deg 0% 43%);
    --color-text-sidebar-popover-menu: hsl(0deg 0% 20%);
    --color-text-user-card-secondary: var(--grey-550);
    --color-text-url: hsl(200deg 100% 40%);
    --color-text-url-hover: hsl(200deg 100% 25%);
    --color-text-settings-field-hint: hsl(0deg 0% 57%);

    /* Markdown colors */
    --color-background-rendered-markdown-thead: hsl(0deg 0% 93%);
    --color-border-rendered-markdown-table: hsl(0deg 0% 80%);

    /* Tab-switcher colors */
    --color-background-tab-switcher-ind-tab: hsl(0deg 0% 100%);
    --color-background-tab-switcher-ind-tab-selected: hsl(0deg 0% 53%);
    --color-border-tab-switcher-ind-tab: hsl(0deg 0% 80%);
    --color-border-tab-switcher-ind-tab-selected: hsl(0deg 0% 47%);
    --color-text-tab-switcher-ind-tab-disabled: hsl(0deg 0% 80%);
    --color-border-tab-switcher-ind-tab-disabled: hsl(0deg 0% 87%);

    /* Settings table colors */
    --color-border-table-striped: hsl(0deg 0% 87%);
    --color-border-table-bordered: hsl(0deg 0% 87%);
    --color-border-table-subscriber-list: hsl(0deg 0% 87%);

    /* Markdown code colors */
    --color-markdown-code-text: hsl(0deg 0% 0%);
    --color-markdown-code-background: hsl(0deg 0% 0% / 6%);
    --color-markdown-code-background-mentions: hsl(0deg 0% 0% / 7%);
    --color-markdown-pre-text: var(--color-markdown-code-text);
    --color-markdown-pre-border: transparent;
    --color-markdown-pre-background: hsl(0deg 0% 0% / 4%);
    --color-markdown-pre-background-mentions: hsl(0deg 0% 0% / 4%);
    --color-markdown-pre-border-mentions: transparent;
    --color-markdown-link: hsl(200deg 100% 40%);
    --color-markdown-code-link: var(--color-markdown-link);
    --color-markdown-link-hover: hsl(200deg 100% 25%);
    --color-markdown-code-link-hover: var(--color-markdown-link-hover);

    /* Icon colors */
    --color-icon-bot: hsl(180deg 8% 65% / 100%);
    --color-message-action-visible: hsl(216deg 43% 20% / 50%);
    --color-message-action-interactive: hsl(216deg 43% 20% / 100%);
    --color-message-star-action: hsl(41deg 100% 47% / 100%);
    --color-left-sidebar-follow-icon-hover: hsl(0deg 0% 0%);
    /* The gray on the filter icons is the same as
       what's set on ul.filters, but with 70% opacity. */
    --color-left-sidebar-navigation-icon: hsl(0deg 0% 20% / 70%);
    --color-vdots-hint: hsl(0deg 0% 0% / 30%);
    --color-vdots-visible: hsl(0deg 0% 0% / 53%);
    --color-vdots-hover: hsl(0deg 0% 0%);
    --color-left-sidebar-header-vdots-visible: var(
        --color-left-sidebar-navigation-icon
    );
    --color-tab-picker-icon: hsl(200deg 100% 40%);
    --color-user-circle-active: hsl(106deg 74% 44%);
    --color-user-circle-idle: hsl(29deg 84% 51%);
    /* hsl(229deg 9% 36%) corresponds to --grey-600.
       We use the hsl() equivalent directly since postcss-color-mix-function
       cannot dynamically resolve var() arguments. */
    --color-copy-btn: color-mix(in oklch, hsl(229deg 9% 36%) 70%, transparent);
    --color-copy-btn-hover: var(--grey-600);
    /* --grey-600, opacity 0.07 */
    --color-copy-btn-square-bg-hover: color-mix(
        in oklch,
        hsla(229deg 9% 36%) 7%,
        transparent
    );
    /* --grey-600, opacity 0.7 */
    --color-copy-btn-active: color-mix(
        in oklch,
        hsla(229deg 9% 36%) 70%,
        transparent
    );
    --color-copy-btn-square-active: var(--grey-600);
    /* --grey-600, opacity 0.11 */
    --color-copy-btn-square-bg-active: color-mix(
        in oklch,
        hsl(229deg 9% 36%) 11%,
        transparent
    );
    --color-copy-btn-success: var(--green-500);

    /* Reaction container colors */
    --color-message-reaction-border: hsl(0deg 0% 0% / 10%);
    --color-message-reaction-border-reacted: hsl(0deg 0% 0% / 45%);
    --color-message-reaction-background: hsl(0deg 0% 100%);
    --color-message-reaction-background-reacted: hsl(0deg 0% 100%);
    --color-message-reaction-background-hover: hsl(210deg 30% 96%);
    --color-message-reaction-shadow-inner: hsl(210deg 50% 50% / 8%);
    --color-message-reaction-text: hsl(210deg 20% 25% / 100%);
    --color-message-reaction-text-reacted: hsl(210deg 20% 20% / 100%);
    --color-message-reaction-button-text: hsl(210deg 20% 20% / 60%);
    --color-message-reaction-button-text-hover: var(
        --color-message-reaction-text
    );
    --color-message-reaction-button-background: inherit;
    --color-message-reaction-button-background-hover: var(
        --color-message-reaction-background
    );
    --color-message-reaction-button-border: transparent;
    --color-message-reaction-button-border-hover: var(
        --color-message-reaction-border
    );
    --font-weight-message-reaction: 600;

    /* Message feed loading indicator colors */
    --color-zulip-logo: hsl(0deg 0% 0% / 34%);
    --color-zulip-logo-loading: hsl(0deg 0% 27%);
    --color-recent-view-loading-spinner: hsl(0deg 0% 27%);
    --color-zulip-logo-z: hsl(0deg 0% 100%);

    /* Message collapsing/condensing button colors */
    --color-show-more-less-button-background: hsl(240deg 44% 56% / 8%);
    --color-show-more-less-button-background-hover: hsl(240deg 44% 56% / 15%);
    --color-show-more-less-button-background-active: hsl(240deg 44% 56% / 20%);

    /* Message edit history colors */
    --color-message-edit-history-text-inserted: hsl(122deg 72% 30%);
    --color-message-edit-history-background-inserted: hsl(120deg 64% 95%);
    --color-message-edit-history-text-deleted: hsl(0deg 100% 50%);
    --color-message-edit-history-background-deleted: hsl(7deg 90% 92%);

    /* Mention pill colors */
    --color-background-direct-mention: hsl(240deg 52% 95%);
    --color-background-group-mention: hsl(180deg 40% 94%);
    --color-background-text-direct-mention: hsl(240deg 70% 70% / 20%);
    --color-background-text-hover-direct-mention: hsl(240deg 70% 70% / 30%);
    --color-background-text-group-mention: hsl(183deg 60% 45% / 18%);
    --color-background-text-hover-group-mention: hsl(183deg 60% 45% / 30%);

    /* Input pills */
    --color-background-input-pill: hsl(237deg 68% 94%);
    --color-background-input-pill-hover: hsl(240deg 70% 70% / 30%);
    --color-focus-outline-input-pill: hsl(240deg 50% 50%);
    --color-input-pill-close: hsl(240deg 60% 65%);
    --color-background-input-pill-exit-hover: hsla(240deg 70% 70% / 15%);
    --color-background-deactivated-user-pill: hsl(8deg 96% 91%);
    --color-focus-outline-deactivated-user-pill: hsl(4deg 75% 53%);
    --color-close-deactivated-user-pill: hsl(4deg 75% 53%);
    --color-background-exit-hover-deactivated-user-pill: hsl(
        4deg 75% 53% / 15%
    );
    --color-background-user-pill: hsla(0deg 0% 100% / 85%);

    /* Inbox view constants - Values from Figma design */
    --height-inbox-search: 26px;
    --width-inbox-search: 346px;
    --width-inbox-filters-dropdown: 150px;
    --color-background-inbox-no-unreads-illustration: hsl(147deg 57% 25%);
    --color-background-inbox: var(--color-background);
    --color-icon-search-inbox: hsl(0deg 0% 0%);
    --color-inbox-search-text: hsl(0deg 0% 0%);
    --color-border-inbox-search: hsl(229.09deg 21.57% 10% / 30%);
    --color-border-inbox-search-hover: hsl(229.09deg 21.57% 10% / 60%);
    --color-background-inbox-search: hsl(0deg 0% 100%);
    --color-background-inbox-search-hover: hsl(0deg 0% 100%);
    --color-background-inbox-search-focus: hsl(0deg 0% 100%);
    --color-border-inbox-search-focus: hsl(229.09deg 21.57% 10% / 80%);
    --color-box-shadow-inbox-search-focus: hsl(228deg 9.8% 20% / 30%);
    --color-background-inbox-row: hsl(0deg 0% 100%);
    --color-background-inbox-row-hover: linear-gradient(
            0deg,
            hsl(0deg 0% 0% / 5%) 0%,
            hsl(0deg 0% 0% / 5%) 100%
        ),
        hsl(0deg 0% 100%);
    --color-background-btn-inbox-selected: hsl(0deg 0% 0% / 5%);
    --color-background-btn-inbox-focus: hsl(0deg 0% 80%);
    --color-icons-inbox: hsl(0deg 0% 0%);
    --color-background-icon-close-hover: hsl(0deg 0% 0% / 5%);

    /* Navbar dropdown menu constants - Values from Figma design */
    --box-shadow-popover-menu: 0 2.78px 4.11px 0 hsl(0deg 0% 0% / 6%),
        0 5.5113px 8.5783px 0 hsl(0deg 0% 0% / 7%),
        0 8.438px 13.9271px 0 hsl(0deg 0% 0% / 8%),
        0 12.177px 21.4737px 0 hsl(0deg 0% 0% / 9%),
        0 18.7257px 35.4802px 0 hsl(0deg 0% 0% / 9%),
        0 41px 80px 0 hsl(0deg 0% 0% / 13%);
    --box-shadow-gear-menu: 0 2.7798px 4.1129px 0 hsl(0deg 0% 0% / 10%),
        0 5.5113px 8.5783px 0 hsl(0deg 0% 0% / 9%),
        0 8.4377px 13.9271px 0 hsl(0deg 0% 0% / 11%),
        0 12.177px 21.4737px 0 hsl(0deg 0% 0% / 11%),
        0 18.7257px 35.4802px 0 hsl(0deg 0% 0% / 15%),
        0 41px 80px 0 hsl(0deg 0% 0% / 20%);
    --color-navbar-icon: hsl(240deg 20% 50%);
    --color-navbar-spectator-low-attention-brand-button-text: hsl(
        240deg 40% 50%
    );
    --color-navbar-spectator-low-attention-brand-button-background: transparent;
    --color-navbar-spectator-low-attention-brand-button-background-hover: hsl(
        240deg 100% 30% / 5%
    );
    --color-navbar-spectator-low-attention-brand-button-background-active: hsl(
        240deg 100% 30% / 8%
    );
    --color-navbar-spectator-medium-attention-brand-button-text: hsl(
        240deg 40% 40% / 100%
    );
    --color-navbar-spectator-medium-attention-brand-button-background: hsl(
        244deg 64% 47% / 10%
    );
    --color-navbar-spectator-medium-attention-brand-button-background-hover: hsl(
        244deg 64% 47% / 15%
    );
    --color-navbar-spectator-medium-attention-brand-button-background-active: hsl(
        244deg 64% 47% / 18%
    );
    --color-gear-menu-lighter-text: hsl(0deg 0% 40%);
    --color-gear-menu-blue-text: hsl(217deg 100% 50%);
    --color-header-button-hover: hsl(0deg 0% 0% / 5%);
    /* This is a technique for directing CSS to do
       the color mixing ordinarily handled by the
       alpha channel in hsl(); here, the alpha value
       is omitted from the hsl() syntax and instead
       used as the percentage for mixing over top of
       the navbar background. This is needed so that
       elements like the unread-count dot can make
       use of the color, but neither compound alpha
       values or apply alpha values over different
       colors, such as the background color on the
       unread dot.

       The second color value aligns with
       --color-background-navbar. We use the value
       directly so that this gets compiled down to
       an rgb() value by PostCSS Preset Env. */
    --color-header-button-hover-no-alpha: color-mix(
        in srgb,
        hsl(0deg 0% 0%) 5%,
        hsl(0deg 0% 97%)
    );
    --color-header-button-focus: hsl(0deg 0% 0% / 8%);
    /* The second color value aligns with
       --color-background-navbar */
    --color-header-button-focus-no-alpha: color-mix(
        in srgb,
        hsl(0deg 0% 0%) 8%,
        hsl(0deg 0% 97%)
    );
    --color-fill-hover-copy-icon: hsl(200deg 100% 40%);
    --color-fill-user-invite-copy-icon: hsl(0deg 0% 46.7%);
    --icon-chevron-down: url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath fill-rule='evenodd' clip-rule='evenodd' d='M3.52977 5.52973C3.78947 5.27004 4.21053 5.27004 4.47023 5.52973L8 9.05951L11.5298 5.52973C11.7895 5.27004 12.2105 5.27004 12.4702 5.52973C12.7299 5.78943 12.7299 6.21049 12.4702 6.47019L8.47023 10.4702C8.21053 10.7299 7.78947 10.7299 7.52977 10.4702L3.52977 6.47019C3.27008 6.21049 3.27008 5.78943 3.52977 5.52973Z' fill='%23333333'/%3E%3C/svg%3E%0A");

    /* Button colors on modals and message editing. */
    /* Don't define light theme colors for modal here
       since the modal is also used on billing pages and
       this file is not imported on billing pages. */

    /* Zulip-style button colors. */
    --color-background-zulip-button: hsl(0deg 0% 100%);
    --color-background-zulip-button-hover: var(--color-background-zulip-button);
    --color-background-zulip-button-active: hsl(0deg 0% 95%);
    --color-background-zulip-button-disabled: hsl(0deg 0% 93%);
    --color-border-zulip-button: hsl(0deg 0% 80%);
    --color-border-zulip-button-interactive: hsl(0deg 0% 60%);

    /* Zulip-style checkbox values. */
    --color-border-rendered-checkbox: hsl(0deg 0% 0% / 60%);
    /* The SVG must be adjusted when changing the border color above. */
    --svg-url-rendered-checkbox: url("../images/checkbox.svg");

    /* Emoji-picker colors */
    --color-background-emoji-picker-popover: hsl(0deg 0% 93%);
    --color-background-emoji-picker-popover-tab-item-active: hsl(
        0deg 0% 100% / 20%
    );
    --color-background-emoji-picker-emoji-focus: hsl(0deg 0% 93%);
    --color-box-shadow-emoji-picker-emoji-focus: transparent;
    --color-background-emoji-picker-emoji-reacted: hsl(195deg 50% 95%);
    --color-border-emoji-picker-emoji-reacted: hsl(195deg 52% 79%);
    --color-background-emoji-picker-emoji-reacted-focus: hsl(195deg 55% 88%);
    /* Same color as background color of header / footer */
    --color-border-emoji-picker-tippy-arrow: hsl(0deg 0% 93%);

    /* Dropdown / Typeahead constants */
    --color-dropdown-item: hsl(0deg 0% 20%);
    --color-dropdown-item-link-underline: hsla(0deg 0% 20% 60%);
    --color-active-dropdown-item: hsl(0deg 0% 0%);
    --background-color-active-dropdown-item: hsl(220deg 12% 4.9% / 5%);
    --background-color-active-typeahead-item: hsl(221.14deg 89.74% 92.35%);
    --color-typeahead-option-label: var(--grey-500);
}

%dark-theme {
    /* There is no lefthand border to cover in dark mode, so
       don't apply negative margin that would otherwise pull
       the unread marker to the left. */
    --unread-marker-left: 0;

    /* Colors used across the app */
    --color-date: hsl(0deg 0% 100% / 75%);
    --color-background-private-message-header: hsl(46deg 15% 20%);
    --color-background-private-message-content: hsl(46deg 7% 16%);
    --color-background-stream-message-content: hsl(0deg 0% 15%);
    --color-message-header-icon-non-interactive: hsl(0deg 0% 100% / 30%);
    --color-message-header-icon-interactive: hsl(0deg 0% 100%);
    --color-message-header-contents-border: hsl(0deg 0% 0% / 60%);
    --color-private-message-header-border: hsl(0deg 0% 0% / 48%);
    --color-message-header-contents-border-bottom: hsl(0deg 0% 0% / 50%);
    --color-private-message-header-border-bottom: hsl(0deg 0% 0% / 37%);
    --color-selected-message-outline: hsl(217deg 64% 59% / 70%);
    --color-message-list-border: hsl(0deg 0% 0% / 40%);
    --color-background: hsl(0deg 0% 11%);
    --color-background-widget-input: hsl(225deg 6% 10%);
    --color-background-widget-button: hsl(0deg 0% 0% / 20%);
    --color-background-navbar: hsl(0deg 0% 13%);
    --color-background-active-narrow-filter: hsl(200deg 17% 18%);
    --color-background-hover-narrow-filter: hsl(136deg 25% 73% / 20%);
    /* We mix an opaque version with the background for
       replicating the color on .sidebar-topic-check, which
       will mask a portion of the topic-grouping bracket. */
    --color-background-opaque-hover-narrow-filter: color-mix(
        in srgb,
        hsl(136deg 25% 73%) 20%,
        hsl(0deg 0% 11%)
    );
    --color-navbar-bottom-border: hsl(0deg 0% 0% / 60%);
    --color-unread-marker: hsl(217deg 64% 59%);
    --color-masked-unread-marker: hsl(0deg 0% 30%);
    --color-background-modal: hsl(212deg 28% 18%);
    --color-background-invitee-emails-pill-container: hsl(0deg 0% 0% / 20%);
    --color-unmuted-or-followed-topic-list-item: hsl(236deg 33% 90%);
    --color-recipient-bar-controls-spinner: hsl(0deg 0% 100%);
    --color-topic-indent-border: hsl(0deg 0% 100% / 19%);
    --color-background-search: hsl(0deg 0% 20%);
    --color-background-search-option-hover: hsl(0deg 0% 30%);
    --color-search-box-hover-shadow: hsl(0deg 0% 0% / 30%);
    --color-search-dropdown-top-border: hsla(0deg 0% 0% / 35%);
    --color-search-icons: hsl(0deg 0% 78%);
    --color-background-image-loader: hsl(0deg 0% 100% / 10%);
    --color-background-popover-menu: hsl(0deg 0% 17%);
    --color-border-popover-menu-separator: hsl(0deg 0% 0% / 40%);
    --color-hotkey-hint: hsl(225deg 100% 84%);
    --color-popover-hotkey-hint: hsl(0deg 0% 65%);
    --color-border-popover-hotkey-hint: hsl(0deg 0% 65% / 50%);
    --color-background-hover-popover-menu: hsl(220deg 12% 95% / 5%);
    --color-background-active-popover-menu: hsl(220deg 12% 95% / 7%);
    --color-border-popover-menu: hsl(0deg 0% 0%);
    --color-border-personal-menu-avatar: hsl(0deg 0% 100% / 20%);
    --color-background-unread-counter: hsl(105deg 2% 50% / 50%);
    /* When unreads are hovered on the condensed
       views, they should not have an alpha.

       The second color aligns with dark mode's
       --color-background. We use the value
       directly so that this gets compiled down to
       an rgb() value by PostCSS Preset Env. */
    --color-background-unread-counter-no-alpha: color-mix(
        in srgb,
        hsl(105deg 2% 50%) 50%,
        hsl(0deg 0% 11%)
    );
    --color-background-unread-counter-dot: hsl(105deg 2% 50% / 90%);
    --color-border-unread-counter: hsl(105deg 2% 50%);
    --color-border-unread-counter-popover-menu: var(
        --color-border-unread-counter
    );
    --color-background-tab-picker-container: hsl(0deg 0% 0% / 30%);
    --color-background-tab-picker-selected-tab: hsl(0deg 0% 100% / 7%);
    --color-outline-tab-picker-tab-option: hsl(0deg 0% 100% / 12%);
    --color-background-tab-picker-tab-option-hover: hsl(0deg 0% 100% / 5%);
    --color-background-tab-picker-tab-option-active: hsl(0deg 0% 100% / 3%);
    --color-background-alert-word: hsl(22deg 70% 35%);
    --color-buddy-list-highlighted-user: hsl(136deg 25% 73% / 20%);
    --color-border-sidebar: hsl(0deg 0% 0% / 20%);

    /* Recent view */
    --color-border-recent-view-row: hsl(0deg 0% 0% / 20%);
    --color-border-recent-view-table: hsl(0deg 0% 88%);
    --color-background-recent-view-row: hsl(0deg 0% 11%);
    --color-background-recent-view-row-hover: hsl(208deg 26% 11% / 60%);
    --color-background-recent-view-unread-row: hsl(212deg 30% 22% / 40%);
    --color-background-recent-view-unread-row-hover: hsl(212deg 30% 22% / 60%);
    --color-recent-view-link: hsl(206deg 89% 74%);
    --color-recent-view-link-hover: hsl(208deg 64% 52%);

    /* Compose box colors */
    --color-compose-box-background: hsl(228deg 11% 17%);
    --color-compose-message-content-background: color-mix(
        in srgb,
        var(--color-compose-box-background),
        hsl(0deg 0% 0%) 20%
    );
    --color-compose-send-button-focus-shadow: hsl(0deg 0% 100% / 80%);
    --color-compose-send-control-button: hsl(240deg 30% 70%);
    --color-compose-send-control-button-background: transparent;
    --color-compose-send-control-button-interactive: var(
        --color-compose-send-control-button
    );
    --color-compose-send-control-button-background-interactive: hsl(
        235deg 100% 70% / 11%
    );
    --color-compose-send-control-button-focus-shadow: var(
        --color-compose-send-button-focus-shadow
    );
    --color-compose-collapsed-reply-button-area-background: hsl(
        0deg 0% 0% / 20%
    );
    --color-compose-collapsed-reply-button-area-background-interactive: hsl(
        0deg 0% 0% / 15%
    );
    --color-compose-collapsed-reply-button-area-border: hsl(0deg 0% 0% / 60%);
    --color-compose-collapsed-reply-button-area-border-interactive: var(
        --color-compose-collapsed-reply-button-area-border
    );
    --color-compose-embedded-button-text-color: hsl(231deg 30% 65%);
    --color-compose-embedded-button-text-color-hover: hsl(231deg 30% 70%);
    --color-compose-embedded-button-background: transparent;
    --color-compose-embedded-button-background-hover: hsl(
        235deg 100% 70% / 11%
    );
    --color-compose-embedded-button-background-interactive: hsl(
        235deg 100% 70% / 20%
    );
    --color-background-compose-new-message-button: hsl(0deg 0% 0% / 20%);
    --color-background-compose-new-message-button-hover: hsl(0deg 0% 0% / 15%);
    --color-background-compose-new-message-button-active: hsl(0deg 0% 0% / 20%);
    --color-border-compose-new-message-button: hsl(0deg 0% 0% / 60%);
    --color-border-compose-new-message-button-hover: hsl(0deg 0% 0% / 60%);
    --color-border-compose-new-message-button-active: hsl(0deg 0% 0% / 60%);
    --color-background-popover: hsl(212deg 32% 14%);
    --color-limit-indicator: hsl(38deg 100% 70%);
    --color-limit-indicator-over-limit: hsl(3deg 80% 60%);
    --color-narrow-to-compose-recipients-background: hsl(227deg 80% 60% / 25%);
    --color-narrow-to-compose-recipients-background-hover: hsl(
        227deg 80% 60% / 35%
    );
    --color-narrow-to-compose-recipients: hsl(224deg 28% 81%);
    --color-narrow-to-compose-recipients-hover: hsl(221deg 100% 95%);
    --color-composebox-button: hsl(0deg 100% 100% / 55%);
    --color-composebox-button-background: hsl(231deg 8% 13.5% / 80%);
    --color-composebox-button-background-hover: hsl(231deg 12% 18%);
    --color-message-formatting-controls-container: hsl(0deg 0% 0% / 8%);
    --color-message-content-container-border: hsl(0deg 0% 0% / 80%);
    --color-message-content-container-border-focus: hsl(0deg 0% 100% / 27%);
    --color-compose-control-button-background-hover: hsl(0deg 0% 100% / 5%);
    --color-compose-focus-ring: hsl(0deg 0% 67%);

    /* Text colors */
    --color-text-default: hsl(0deg 0% 85%);
    /* Unlike the light theme, the dark theme renders message
       text in the default color. */
    --color-text-message-default: var(--color-text-default);
    --color-text-message-view-header: hsl(0deg 0% 100% / 80%);
    --color-text-message-header: hsl(0deg 0% 100% / 80%);
    --color-text-sender-name: hsl(0deg 0% 100% / 85%);
    --color-text-dropdown-input: hsl(0deg 0% 95%);
    --color-text-other-mention: hsl(0deg 0% 100% / 80%);
    --color-text-self-direct-mention: hsl(240deg 100% 88% / 100%);
    --color-text-self-group-mention: hsl(184deg 52% 63% / 100%);
    --color-text-show-more-less-button: hsl(240deg 30% 65%);
    --color-text-search: hsl(0deg 0% 100% / 75%);
    --color-text-search-hover: hsl(0deg 0% 100%);
    --color-text-search-placeholder: hsl(0deg 0% 100% / 50%);
    --color-text-empty-list-message: hsl(0deg 0% 67%);
    --color-text-popover-menu: hsl(0deg 0% 100% / 80%);
    --color-text-full-name: hsl(0deg 0% 100%);
    --color-text-item: hsl(0deg 0% 50%);
    --color-text-personal-menu-no-status: hsl(0deg 0% 100% 35%);
    --color-text-personal-menu-some-status: hsl(0deg 0% 100% 50%);
    --color-text-sidebar-popover-menu: hsl(236deg 33% 90%);
    --color-text-user-card-secondary: var(--grey-400);
    /* 75% opacity of --color-text-default against --color-background.
       We use color-mix here to avoid defining a separate, compounding
       `opacity` property, and also to preserve a record of the
       relationship of the color of sidebar headings to other colors. */
    --color-text-sidebar-heading: color-mix(
        in srgb,
        hsl(0deg 0% 75%) 75%,
        hsl(0deg 0% 11%)
    );
    --color-text-url-hover: hsl(200deg 79% 66%);
    --color-text-settings-field-hint: hsl(0deg 0% 52%);

    /* Markdown colors */
    --color-background-rendered-markdown-thead: hsl(0deg 0% 0% / 50%);
    --color-border-rendered-markdown-table: hsl(0deg 0% 33%);

    /* Tab-switcher colors */
    /* The non-selected colors here are shared with numerous other
       inputs and buttons in dark theme. A refactor here would make
       more generic names for those colors, and help to clean out
       the huge stack of selectors in the dark theme CSS file. */
    --color-background-tab-switcher-ind-tab: hsl(0deg 0% 0% / 20%);
    --color-background-tab-switcher-ind-tab-selected: hsl(0deg 0% 0% / 50%);
    --color-border-tab-switcher-ind-tab: hsl(0deg 0% 0% / 60%);
    --color-border-tab-switcher-ind-tab-selected: hsl(0deg 0% 0% / 90%);
    --color-text-tab-switcher-ind-tab-disabled: hsl(0deg 0% 42% / 90%);
    --color-border-tab-switcher-ind-tab-disabled: hsl(0deg 0% 0% / 60%);

    /* Settings table colors */
    --color-border-table-striped: hsl(0deg 0% 0% / 20%);
    --color-border-table-bordered: hsl(0deg 0% 0% / 20%);
    --color-background-notification-table-thead: hsl(0deg 0% 0% / 20%);
    --color-border-table-subscriber-list: hsl(0deg 0% 0% / 20%);

    /* Markdown code colors */
    /* Note that Markdown code-link colors are identical
       to light theme, and so are not redeclared here. */
    --color-markdown-code-text: hsl(0deg 0% 100% / 85%);
    --color-markdown-code-background: hsl(0deg 0% 100% / 8%);
    --color-markdown-code-background-mentions: var(
        --color-markdown-code-background
    );
    --color-markdown-pre-text: var(--color-markdown-code-text);
    --color-markdown-pre-border: transparent;
    --color-markdown-pre-background: hsl(0deg 0% 100% / 4%);
    --color-markdown-pre-background-mentions: hsl(0deg 0% 100% / 5%);
    --color-markdown-pre-border-mentions: var(--color-markdown-pre-border);

    /* Icon colors */
    --color-icon-bot: hsl(180deg 5% 50% / 100%);
    --color-message-action-visible: hsl(217deg 41% 90% / 50%);
    --color-message-action-interactive: hsl(217deg 41% 90% / 100%);
    --color-left-sidebar-follow-icon-hover: hsl(0deg 0% 100%);
    --color-left-sidebar-navigation-icon: hsl(0deg 0% 100% / 56%);
    --color-vdots-hint: hsl(0deg 0% 100% / 30%);
    --color-vdots-visible: hsl(236deg 33% 80%);
    --color-vdots-hover: hsl(0deg 0% 100%);
    --color-left-sidebar-header-vdots-visible: var(
        --color-left-sidebar-navigation-icon
    );
    --color-tab-picker-icon: hsl(0deg 0% 80%);
    /* hsl(229deg 10% 70%) corresponds to --grey-400.
       We use the hsl() equivalent directly since postcss-color-mix-function
       cannot dynamically resolve var() arguments. */
    --color-copy-btn: color-mix(in oklch, hsl(229deg 10% 70%) 70%, transparent);
    --color-copy-btn-hover: var(--grey-300);
    /* --grey-400, opacity 0.14 */
    --color-copy-btn-square-bg-hover: color-mix(
        in oklch,
        hsl(230deg 9% 60%) 14%,
        transparent
    );
    /* --grey-300, opacity 0.7 */
    --color-copy-btn-active: color-mix(
        in oklch,
        hsl(229deg 10% 70%) 70%,
        transparent
    );
    --color-copy-btn-square-active: var(--grey-300);
    /* --grey-400, opacity 0.18 */
    --color-copy-btn-square-bg-active: color-mix(
        in oklch,
        hsl(229deg 9% 60%) 18%,
        transparent
    );
    --color-copy-btn-success: var(--green-300);

    /* Reaction container colors */
    --color-message-reaction-border: hsl(0deg 0% 100% / 15%);
    --color-message-reaction-border-reacted: hsl(0deg 0% 100% / 70%);
    --color-message-reaction-background: hsl(0deg 0% 0% / 30%);
    --color-message-reaction-background-reacted: hsl(0deg 0% 0% / 80%);
    --color-message-reaction-background-hover: hsl(0deg 0% 100% / 10%);
    /* No shadow in dark mode. */
    --color-message-reaction-shadow-inner: transparent;
    --color-message-reaction-text: hsl(0deg 0% 100% / 75%);
    --color-message-reaction-text-reacted: hsl(0deg 0% 100% / 85%);
    --color-message-reaction-button-text: var(--color-message-reaction-text);
    --color-message-reaction-button-text-hover: var(
        --color-message-reaction-text-reacted
    );
    --color-message-reaction-button-background: inherit;
    --color-message-reaction-button-background-hover: var(
        --color-message-reaction-background-hover
    );
    --color-message-reaction-button-border: transparent;
    --color-message-reaction-button-border-hover: var(
        --color-message-reaction-border
    );
    --font-weight-message-reaction: 550;

    /* Message feed loading indicator colors */
    --color-zulip-logo: hsl(0deg 0% 100% / 50%);
    --color-zulip-logo-loading: hsl(0deg 0% 100%);
    --color-recent-view-loading-spinner: hsl(0deg 0% 100% / 60%);
    --color-zulip-logo-z: hsl(214deg 27% 18%);

    /* Message collapsing/condensing button colors */
    --color-show-more-less-button-background: hsla(240deg 44% 56% / 15%);
    --color-show-more-less-button-background-hover: hsl(240deg 44% 56% / 25%);
    --color-show-more-less-button-background-active: hsl(240deg 44% 56% / 15%);

    /* Message edit history colors */
    --color-message-edit-history-text-inserted: hsl(122deg 100% 81%);
    --color-message-edit-history-background-inserted: hsl(120deg 64% 95% / 30%);
    --color-message-edit-history-text-deleted: hsl(0deg 90% 67%);
    --color-message-edit-history-background-deleted: hsl(7deg 54% 62% / 38%);

    /* Mention pill colors */
    --color-background-direct-mention: hsl(240deg 13% 20%);
    --color-background-group-mention: hsl(180deg 13% 15%);
    --color-background-text-direct-mention: hsl(240deg 52% 60% / 25%);
    --color-background-text-hover-direct-mention: hsl(240deg 52% 60% / 45%);
    --color-background-text-group-mention: hsl(183deg 52% 40% / 20%);
    --color-background-text-hover-group-mention: hsl(183deg 52% 40% / 30%);

    /* Input pills */
    --color-background-input-pill: hsl(240deg 65% 60% / 22%);
    --color-background-input-pill-hover: hsl(240deg 52% 60% / 45%);
    --color-focus-outline-input-pill: hsl(0deg 0% 100% / 60%);
    --color-input-pill-close: hsl(240deg 50% 74%);
    --color-background-input-pill-exit-hover: hsl(0deg 0% 100% / 7%);
    --color-background-deactivated-user-pill: hsl(360deg 97% 25%);
    --color-focus-outline-deactivated-user-pill: hsl(0deg 0% 100% / 70%);
    --color-close-deactivated-user-pill: hsl(7deg 100% 74%);
    --color-background-exit-hover-deactivated-user-pill: hsl(0deg 0% 100% / 7%);
    --color-background-user-pill: hsl(0deg 0% 0% / 40%);

    /* Inbox view */
    --color-background-inbox: var(--color-background);
    --color-background-inbox-no-unreads-illustration: hsl(147deg 40% 55%);
    --color-icon-search-inbox: hsl(0deg 0% 100%);
    --color-inbox-search-text: hsl(0deg 0% 95%);
    --color-border-inbox-search: hsl(0deg 0% 100% / 20%);
    --color-border-inbox-search-hover: hsl(0deg 0% 100% / 40%);
    --color-background-inbox-search: hsl(225deg 6% 10%);
    --color-background-inbox-search-hover: hsl(225deg 6% 8%);
    --color-background-inbox-search-focus: hsl(225deg 6% 7%);
    --color-border-inbox-search-focus: hsl(0deg 0% 100% / 50%);
    --color-box-shadow-inbox-search-focus: hsl(0deg 0% 100% / 40%);
    --color-background-inbox-row: hsl(0deg 0% 14%);
    --color-background-inbox-row-hover: linear-gradient(
            0deg,
            hsl(0deg 0% 100% / 5%) 0%,
            hsl(0deg 0% 100% / 5%) 100%
        ),
        hsl(0deg 0% 14.12%);
    --color-background-btn-inbox-selected: hsl(0deg 0% 100% / 5%);
    --color-background-btn-inbox-focus: hsl(0deg 0% 20%);
    --color-icons-inbox: hsl(0deg 0% 100%);
    --color-background-icon-close-hover: hsl(0deg 0% 100% / 5%);

    /* Navbar dropdown menu constants - Values from Figma design */
    --box-shadow-popover-menu: 0 2.78px 4.12px 0 hsl(0deg 0% 0% / 10%),
        0 5.5113px 8.5783px 0 hsl(0deg 0% 0% / 9%),
        0 8.4377px 13.9271px 0 hsl(0deg 0% 0% / 11%),
        0 12.177px 21.4737px 0 hsl(0deg 0% 0% / 11%),
        0 18.7257px 35.4802px 0 hsl(0deg 0% 0% / 15%),
        0 41px 80px 0 hsl(0deg 0% 0% / 20%);
    --color-navbar-icon: hsl(240deg 35% 60%);
    --color-navbar-spectator-low-attention-brand-button-text: hsl(
        240deg 55% 72% / 100%
    );
    --color-navbar-spectator-low-attention-brand-button-background: transparent;
    --color-navbar-spectator-low-attention-brand-button-background-hover: hsl(
        240deg 56% 70% / 10%
    );
    --color-navbar-spectator-low-attention-brand-button-background-active: hsl(
        240deg 56% 70% / 13%
    );
    --color-navbar-spectator-medium-attention-brand-button-text: hsl(
        240deg 64% 76% / 100%
    );
    --color-navbar-spectator-medium-attention-brand-button-background: hsl(
        240deg 56% 70% / 12%
    );
    --color-navbar-spectator-medium-attention-brand-button-background-hover: hsl(
        240deg 56% 70% / 17%
    );
    --color-navbar-spectator-medium-attention-brand-button-background-active: hsl(
        240deg 56% 70% / 12%
    );
    --color-gear-menu-lighter-text: hsl(0deg 0% 50%);
    --color-gear-menu-blue-text: hsl(217deg 100% 65%);
    --color-header-button-hover: hsl(0deg 0% 100% / 4%);
    /* The second color value aligns with
       --color-background-navbar */
    --color-header-button-hover-no-alpha: color-mix(
        in srgb,
        hsl(0deg 0% 100%) 4%,
        hsl(0deg 0% 13%)
    );
    --color-header-button-focus: hsl(0deg 0% 100% / 7%);
    /* The second color value aligns with
       --color-background-navbar */
    --color-header-button-focus-no-alpha: color-mix(
        in srgb,
        hsl(0deg 0% 100%) 7%,
        hsl(0deg 0% 13%)
    );
    --color-fill-user-invite-copy-icon: hsl(236deg 33% 90%);
    --icon-chevron-down: url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath fill-rule='evenodd' clip-rule='evenodd' d='M3.52977 5.52973C3.78947 5.27004 4.21053 5.27004 4.47023 5.52973L8 9.05951L11.5298 5.52973C11.7895 5.27004 12.2105 5.27004 12.4702 5.52973C12.7299 5.78943 12.7299 6.21049 12.4702 6.47019L8.47023 10.4702C8.21053 10.7299 7.78947 10.7299 7.52977 10.4702L3.52977 6.47019C3.27008 6.21049 3.27008 5.78943 3.52977 5.52973Z' fill='%23FFFFFFBF'/%3E%3C/svg%3E%0A");

    /* Button colors on modals and message editing. */
    --color-exit-button-text: hsl(0deg 0% 100%);
    --color-exit-button-background: hsl(226deg 1% 30% / 50%);
    --color-exit-button-background-interactive: hsl(226deg 1% 30% / 65%);

    /* Zulip-style button colors. */
    --color-background-zulip-button: hsl(0deg 0% 0% / 20%);
    --color-background-zulip-button-hover: hsl(0deg 0% 0% / 15%);
    --color-background-zulip-button-active: var(
        --color-background-zulip-button-hover
    );
    --color-background-zulip-button-disabled: var(
        --color-background-zulip-button
    );
    --color-border-zulip-button: hsl(0deg 0% 0% / 60%);
    --color-border-zulip-button-interactive: var(--color-border-zulip-button);

    /* Zulip-style checkbox values. */
    --color-border-rendered-checkbox: hsl(0deg 0% 100% / 40%);
    /* The SVG must be adjusted when changing the border color above. */
    --svg-url-rendered-checkbox: url("../images/checkbox-dark-mode.svg");

    /* Emoji-picker colors */
    --color-background-emoji-picker-popover: hsl(0deg 0% 0% / 20%);
    --color-background-emoji-picker-popover-tab-item-active: hsl(
        0deg 0% 0% / 50%
    );
    --color-background-emoji-picker-emoji-focus: hsl(212deg 28% 8% / 75%);
    --color-box-shadow-emoji-picker-emoji-focus: hsl(0deg 0% 98%);
    --color-background-emoji-picker-emoji-reacted: hsl(0deg 0% 0% / 50%);
    --color-border-emoji-picker-emoji-reacted: hsl(0deg 0% 0% / 90%);
    --color-background-emoji-picker-emoji-reacted-focus: hsl(0deg 0% 20% / 70%);
    --color-border-add-subscription-button-focus: hsl(0deg 0% 67%);
    /* Same color as background color of header / footer */
    --color-border-emoji-picker-tippy-arrow: hsl(211.58deg 33.33% 11.18%);

    /* Dropdown / Typeahead constants */
    --color-dropdown-item: hsl(0deg 0% 75%);
    --color-dropdown-item-link-underline: hsla(0deg 0% 75% 60%);
    --color-active-dropdown-item: hsl(0deg 0% 90%);
    --background-color-active-dropdown-item: hsl(220deg 12% 100% / 7%);
    --background-color-active-typeahead-item: hsl(
        226.35deg 82.53% 55.1% / 38.82%
    );
    --color-typeahead-option-label: var(--grey-400);
}

@media screen {
    :root.dark-theme {
        @extend %dark-theme;
    }
}

@media screen and (prefers-color-scheme: dark) {
    :root.color-scheme-automatic {
        @extend %dark-theme;
    }
}