upstream-zulip/web/styles/dark_theme.css

@import url("flatpickr/dist/themes/dark.css");

%dark-theme {
    color-scheme: dark;

    kbd {
        text-shadow: none;
    }

    /************************* MODAL DARK THEME *******************/

    #message-formatting,
    #keyboard-shortcuts {
        & kbd {
            border: 1px solid var(--color-hotkey-hint);
            border-radius: 3px;
            color: var(--color-hotkey-hint);
            opacity: 0.8;
        }
    }

    .enter_sends_choices {
        color: hsl(236deg 33% 90%);

        .enter_sends_minor {
            color: hsl(0deg 0% 80%);
        }
    }

    .dropdown-list-delete {
        /* hsl(7deg 100% 74%) corresponds to var(--red-250) */
        color: color-mix(
            in oklch,
            hsl(7deg 100% 74%) 70%,
            transparent
        ) !important;

        &:hover {
            color: hsl(7deg 100% 74%) !important;
        }
    }

    /* this one is because in the app we have blue and in dark-theme it should be white. */
    .popover a {
        color: inherit;
    }

    /* these are converting grey things to "new grey".
       :disabled rules are exploded for CSS selector performance reasons. */
    button:disabled:not(.action-button, .icon-button, .info-density-button),
    option:disabled,
    select:disabled,
    input:disabled:not(.modal_text_input),
    input:not([type="radio"], .modal_text_input):read-only,
    #organization-permissions .dropdown-widget-button:disabled,
    #organization-settings .dropdown-widget-button:disabled {
        color: inherit;
        opacity: 0.5;
    }

    button.info-density-button:disabled {
        color: inherit;
        opacity: 0.4;
    }

    .popover-filter-input-wrapper .popover-filter-input:focus {
        background-color: hsl(225deg 6% 7%);
        border: 1px solid hsl(0deg 0% 100% / 50%);
        box-shadow: 0 0 5px hsl(0deg 0% 100% / 40%);
    }

    & select option {
        background-color: var(--color-background);
        color: hsl(236deg 33% 90%);
    }

    .pill-container.not-editable-by-user,
    .group_setting_disabled .pill-container {
        opacity: 0.5;
    }

    #searchbox {
        /* Light theme shows hover mostly through box-shadow,
          and dark theme shows it mostly through changing color
          of the search button. */
        .navbar-search:not(.expanded)
            #searchbox-input-container:hover
            .search_icon {
            opacity: 0.75;
        }
    }

    textarea.schedule-reminder-note:focus {
        border-color: hsl(0deg 0% 0% / 90%);
    }

    .popover hr,
    hr {
        opacity: 0.2;
    }

    #recent-view-content-table {
        border-bottom-width: 1px;
    }

    .drafts-container .header-body .delete-drafts-group > *:focus {
        background-color: hsl(228deg 11% 17%);
    }

    .table-striped tbody tr:nth-child(even) td {
        border-color: hsl(0deg 0% 0% / 20%);
        background-color: color-mix(
            in srgb,
            hsl(0deg 0% 0%) 20%,
            var(--color-background-modal)
        );
    }

    .overlay-message-row
        .message_header_private_message
        .message_label_clickable {
        padding: 4px 6px 3px;
        color: inherit;
    }

    & time {
        background: hsl(0deg 0% 0% / 20%);
        box-shadow: 0 0 0 1px hsl(0deg 0% 0% / 40%);
    }

    .tip {
        color: inherit;
    }

    .alert.home-error-bar {
        color: hsl(236deg 33% 90%);
        background-color: hsl(35deg 84% 62% / 25%);
        border: 1px solid hsl(11deg 46% 54%);
    }

    .alert.alert-success {
        color: inherit;
        background-color: hsl(161deg 60% 46% / 20%);
        border-color: hsl(165deg 68% 37%);
    }

    .alert.alert-info {
        color: hsl(205deg 58% 80%);
        background-color: hsl(204deg 100% 12%);
        border-color: hsl(205deg 58% 69% / 40%);
    }

    .alert.alert-error,
    .alert.alert-danger {
        background-color: hsl(318deg 12% 21%);
        color: inherit;
        border: 1px solid hsl(0deg 75% 65%);
    }

    .alert-box .alert,
    .alert-box .stacktrace,
    .alert.alert-error {
        background-color: hsl(318deg 12% 21%);
        color: inherit;
        border: 1px solid hsl(0deg 75% 65%);
    }

    .alert-box {
        .alert.alert-error::before {
            color: hsl(0deg 75% 65%);
        }
    }

    .stacktrace {
        color: hsl(314deg 22% 85%);
        background-color: hsl(318deg 12% 21%);
        border: 1px solid hsl(0deg 75% 65%);

        .expand {
            color: hsl(318deg 14% 36%);
        }

        .subtle {
            color: hsl(314deg 19% 63%);
        }

        .stacktrace-more-info {
            background-color: hsl(312deg 7% 14%);
        }

        .code-context {
            color: hsl(314deg 27% 82%);
            background-color: hsl(312deg 7% 14%);
            box-shadow:
                inset 0 11px 10px -10px hsl(0deg 0% 6%),
                inset 0 -11px 10px -10px hsl(0deg 0% 6%);

            .line-number {
                color: hsl(318deg 14% 44%);
            }

            .focus-line {
                background-color: hsl(307deg 9% 19%);
            }
        }
    }

    .top-messages-logo {
        opacity: 0.7;
    }

    .history-limited-box {
        background-color: hsl(0deg 0% 0% / 20%);
    }

    .searching-for-more-topics img {
        filter: invert(100%);
    }

    .simplebar-track .simplebar-scrollbar::before {
        background-color: hsl(0deg 0% 100%);
        box-shadow: 0 0 0 1px hsl(0deg 0% 0% / 33%);
    }

    .collapse-settings-button:hover {
        color: hsl(200deg 79% 66%);
    }

    #loading_older_messages_indicator,
    #recent_view_loading_messages_indicator {
        & path {
            fill: hsl(0deg 0% 100%);
        }
    }

    & a:not(:active):focus,
    button:not(.action-button, .icon-button):focus-visible,
    i.fa:focus,
    i.zulip-icon:focus,
    [role="button"]:focus {
        outline-color: hsl(0deg 0% 67%);
    }

    .color_animated_button {
        .zulip-icon {
            color: hsl(0deg 0% 100%);
        }
    }

    .panel_user_list > .pill-container,
    .creator_details > .display_only_pill {
        &:hover {
            color: inherit;
        }

        > .pill {
            &:focus,
            &:hover {
                color: inherit;
            }
        }
    }

    .help_link_widget:hover {
        color: inherit;
    }

    #uppy-editor .uppy-ImageCropper {
        /* Uppy cropper canvas has some CSS properties set for the background that
        do not look good for dark theme. When using Uppy Dashboard, this can be
        solved by passing `theme` field with value as true in config options.
        However we are not using that plugin so we need to provide our own dark
        theme CSS for this detail.

        Link for source from where the CSS properties are taken -
        https://github.com/transloadit/uppy/blob/b7605df9402e4db9b02828bf24558e21eae76637/packages/%40uppy/image-editor/src/style.scss#L123
        and https://github.com/transloadit/uppy/blob/b7605df9402e4db9b02828bf24558e21eae76637/packages/%40uppy/image-editor/src/style.scss#L133 */
        .cropper-modal {
            opacity: 0.7;
            background-color: hsl(0deg 0% 0%);
        }

        .cropper-view-box {
            background: repeating-conic-gradient(
                    hsl(0deg 1.18% 16.67%) 0% 25%,
                    hsl(0deg 0% 0%) 0% 50%
                )
                50%/16px 16px;
        }
    }
}

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

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