zulip/web/styles/compose.css

#compose_buttons {
    text-align: right;
    display: flex;
    flex-direction: row;
    align-items: center;

    .new_message_button {
        margin-left: 4px;

        .button.small {
            font-size: 1em;
            padding: 3px 10px;
            vertical-align: middle;
        }

        .compose_mobile_button {
            & span {
                font-size: 1.2em !important;
                font-weight: 400;
                line-height: 1em;
            }
        }
    }

    .reply_button_container {
        flex: 1;
        min-width: 0;
        margin-left: 0;

        .compose_reply_button {
            width: 100%;
            text-align: left;
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
        }
    }

    .mobile_button_container {
        @media (width >= $sm_min) {
            display: none;
        }
    }

    .stream_button_container,
    .private_button_container {
        @media (width < $sm_min) {
            display: none;
        }
    }
}

/* Main geometry for this element is in zulip.css */
#compose-content {
    border-top: 1px solid hsl(0deg 0% 0% / 7%);
    transition: background-color 200ms linear;
    padding: 4px 4px 8px;
    border-left: 1px solid hsl(0deg 0% 93%);
    border-right: 1px solid hsl(0deg 0% 93%);
    height: 100%;
    display: flex;
    flex-flow: column;
    box-sizing: border-box;
}

.message_comp {
    display: none;
    padding: 5px 10px 0 5px;
}

.autocomplete_secondary {
    opacity: 0.8;
}

.active .autocomplete_secondary {
    opacity: 1;
}

.narrow_to_compose_recipient_current_view_help {
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.compose_table {
    height: 100%;
    display: flex;
    flex-flow: column;

    .stream-selection-header-colorblock {
        &.message_header_private_message {
            border-radius: 3px 0 0 3px;
            border-bottom: 0;
            background-color: hsl(0deg 0% 27%);
        }
    }

    .right_part,
    #compose-stream-recipient {
        padding: 0;
        display: flex;
        align-items: center;
        flex: 1;

        .fa-angle-right {
            font-size: 0.9em;
            -webkit-text-stroke: 0.05em;
            position: relative;
            margin: 0 5px;
        }

        & a.narrow_to_compose_recipients {
            background: transparent;
            font-size: 18px;
            padding: 1px;
            line-height: 20px;
            opacity: 0.7;
            border: 0;
            margin-left: 3px;
            text-decoration: none;
            color: inherit;

            &:hover {
                opacity: 1;
            }
        }
    }

    .pm_recipient {
        margin-left: 5px;
        display: flex;
        align-items: center;
        width: 100%;
    }

    #compose-private-recipient .to_text {
        vertical-align: middle;

        font-weight: 600;
    }

    .message_header {
        background: none;
        background-color: hsl(0deg 0% 92%);
        border: none;
        border-radius: 0;
        box-shadow: none !important;
    }

    .messagebox {
        box-shadow: none !important;
    }
}

#send_message_form {
    margin: 0;
    height: 100%;

    .messagebox-wrapper {
        flex: 1;
    }

    .messagebox {
        /* normally 5px 14px; pull in the right and bottom a bit */
        cursor: default;
        padding: 0;
        background: none;
        box-shadow: none;
        border: none;
        height: 100%;
        display: flex;
        flex-flow: column;
    }

    .message_content {
        margin-right: 0;
    }
}

#below-compose-content {
    display: flex;
    flex-direction: column;
    width: 100%;
    margin-top: 6px;
    margin-bottom: -2px;

    .compose_bottom_top_container {
        display: flex;
    }

    .compose_bottom_bottom_container {
        display: flex;
        justify-content: space-between;
    }
}

#compose_limit_indicator {
    margin-right: 8px;
    font-size: 12px;
    color: hsl(39deg 100% 50%);
    align-self: center;

    &.over_limit {
        color: hsl(0deg 76% 65%);
        font-weight: bold;
    }
}

#compose {
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: 4;
    width: 100%;

    background-color: hsl(0deg 0% 100%);
}

#compose-container {
    display: flex;
    flex-direction: column;
    width: 100%;
    /* This should match the value for .app-main */
    max-width: 1400px;
    margin: auto;
}

#compose_top {
    display: flex;
    justify-content: space-between;
    padding-bottom: 5px;
}

#compose_top_right {
    display: flex;
    align-items: center;
    margin-bottom: auto;

    & button {
        background: transparent;
        color: inherit;
        font-size: 15px;
        font-weight: normal;
        line-height: 20px;
        opacity: 0.7;
        border: 0;
        padding: 0;
        margin-left: 4px;
        vertical-align: unset;
        text-shadow: none;

        &:hover {
            opacity: 1;
        }
    }
}

.collapse_composebox_button,
#compose_close {
    display: none;
}

.compose_banner {
    margin-bottom: 20px;
    border-radius: 5px;
    border: 1px solid;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 15px;
    line-height: 18px;

    & p {
        margin: 0; /* override bootstrap */
        /* 5px right padding + 10px left-margin of the neighbouring button will match the left padding */
        padding: 8px 5px 8px 15px;
    }

    .banner_content {
        flex-grow: 1;
    }

    .compose_banner_action_button {
        border: none;
        border-radius: 4px;
        padding: 5px 10px;
        font-weight: 600;
        margin-left: 10px;
        margin-top: 4.5px;
        margin-bottom: 4.5px;
        height: 32px;
        white-space: nowrap;

        /* Extra margin to ensure the layout is identical when there is no
           close button. */
        &.right_edge {
            margin-right: 10px;
        }
    }

    .compose_banner_close_button {
        font-size: 16px;
        text-decoration: none;
        padding: 9px 8px;
    }

    &.success {
        background-color: hsl(147deg 43% 92%);
        border: 1px solid hsl(147deg 57% 25% / 40%);
        color: hsl(147deg 57% 25%);

        .compose_banner_close_button {
            color: hsl(147deg 57% 25% / 50%);

            &:hover {
                color: hsl(147deg 57% 25%);
            }

            &:active {
                color: hsl(147deg 57% 25% / 75%);
            }
        }
    }

    &.warning {
        background-color: hsl(50deg 75% 92%);
        border-color: hsl(38deg 44% 27% / 40%);
        color: hsl(38deg 44% 27%);

        .compose_banner_close_button {
            color: hsl(38deg 44% 27% / 50%);

            &:hover {
                color: hsl(38deg 44% 27%);
            }

            &:active {
                color: hsl(38deg 44% 27% / 75%);
            }
        }

        .compose_banner_action_button {
            background-color: hsl(38deg 44% 27% / 10%);
            color: inherit;

            &:hover {
                background-color: hsl(38deg 44% 27% / 12%);
            }

            &:active {
                background-color: hsl(38deg 44% 27% / 15%);
            }
        }
    }

    &.error {
        background-color: hsl(4deg 35% 90%);
        border-color: hsl(3deg 57% 33% / 40%);
        color: hsl(4deg 58% 33%);

        .compose_banner_close_button {
            color: hsl(4deg 58% 33% / 50%);

            &:hover {
                color: hsl(4deg 58% 33%);
            }

            &:active {
                color: hsl(4deg 58% 33% / 75%);
            }
        }

        .compose_banner_action_button {
            background-color: hsl(3deg 57% 33% / 10%);
            color: inherit;

            &:hover {
                background-color: hsl(3deg 57% 33% / 12%);
            }

            &:active {
                background-color: hsl(3deg 57% 33% / 15%);
            }
        }
    }

    &.info {
        background-color: hsl(204deg 58% 92%);
        border-color: hsl(204deg 49% 29% / 40%);
        position: relative;
        color: hsl(204deg 49% 29%);

        .compose_banner_close_button {
            color: hsl(204deg 49% 29% / 50%);

            &:hover {
                color: hsl(204deg 49% 29%);
            }

            &:active {
                color: hsl(204deg 49% 29% / 75%);
            }
        }
    }
}

.upload_banner {
    overflow: hidden;

    &.hidden {
        display: none;
    }

    .moving_bar {
        position: absolute;
        width: 0;
        /* The progress updates seem to come every second or so,
        so this is the smoothest it can probably get. */
        transition: width 1s ease-in-out;
        background: hsl(204deg 63% 85%);
        top: 0;
        bottom: 0;
    }

    .upload_msg,
    .compose_banner_close_button {
        z-index: 1;
        position: relative;
    }
}

.composition-area {
    position: relative;
    flex: 1;
}

@keyframes message-limit-flash {
    0% {
        box-shadow: none;
    }

    100% {
        box-shadow: 0 0 0 1pt hsl(0deg 76% 65%);
    }
}

textarea.new_message_textarea {
    display: table-cell;
    width: calc(100% - 12px);
    padding: 5px;
    height: 1.5em;
    max-height: 22em;
    margin-bottom: 0;
    resize: vertical !important;
    margin-top: 5px;
    border-radius: 4px;
    color: hsl(0deg 0% 33%);
    background-color: hsl(0deg 0% 100%);

    &.over_limit,
    &.over_limit:focus {
        box-shadow: 0 0 0 1pt hsl(0deg 76% 65%);

        &.flash {
            animation: message-limit-flash 0.5s ease-in-out infinite;
        }
    }

    &:read-only,
    &:disabled {
        cursor: not-allowed;
        background-color: hsl(0deg 0% 93%);
    }

    &.invalid,
    &.invalid:focus {
        border: 1px solid hsl(3deg 57% 33%);
        box-shadow: 0 0 2px hsl(3deg 57% 33%);
    }
}

textarea.new_message_textarea,
.compose_table .recipient_box {
    border: 1px solid hsl(0deg 0% 0% / 20%);
    box-shadow: none;
    transition: border 0.2s ease;

    &:focus {
        outline: 0;
        border: 1px solid hsl(0deg 0% 67%);
        box-shadow: none;
    }
}

input.recipient_box {
    margin: 0;
    height: 1.1em;
    border-radius: 3px;
}

#compose_select_stream_widget,
#compose_select_stream_widget .button {
    margin: 0;
    min-width: 0;
    flex: 1;
}

#stream_message_recipient_topic.recipient_box {
    /* This width roughly corresponds to how long of a topic can appear in
       the left sidebar with a single digit unread count without being
       cut off. */
    width: 175px;
}

#private_message_recipient.recipient_box {
    width: 100%;
}

#compose-schedule-confirm-button,
#compose-send-button {
    padding-top: 3px;
    padding-bottom: 3px;
    margin-bottom: 0;
    font-weight: 600;
    font-size: 0.9em;
    border-radius: 4px 0 0 4px;

    .loader {
        display: none;
        position: relative;
        top: -6px;
    }
}

.enter_sends_choices {
    .enter_sends_choice {
        display: flex;
        gap: 8px;
        padding-top: 4px;

        & input[type="radio"] {
            position: relative;
            top: 5px;
            width: auto;
            cursor: pointer;
            margin: 4px 0 0;

            &:focus {
                outline: 1px dotted hsl(0deg 0% 20%);
                outline: 5px auto -webkit-focus-ring-color;
                outline-offset: -2px;
            }
        }

        &:first-child {
            padding: 0 0 4px;
            border-bottom: 1px solid hsl(0deg 0% 0% / 20%);
        }
    }

    .enter_sends_choice_text {
        display: flex;
        flex-direction: column;
    }

    .enter_sends_minor,
    .enter_sends_minor kbd {
        opacity: 0.9;
        font-size: 11px;
        color: hsl(0deg 0% 50%);
    }
}

.open_enter_sends_dialog {
    font-size: 12px;
    height: 14px;
    padding-left: 4px;
    opacity: 0.7;
    margin-bottom: 5px;
    position: relative;
    top: -2px;
    cursor: pointer;

    @media (width < $mm_min) {
        font-size: 11px;
    }

    & kbd {
        height: 16px;
        padding: 0 4px;
    }

    &:hover {
        opacity: 1;
    }

    .enter_sends_true,
    .enter_sends_false {
        display: none;
    }

    & i {
        padding-left: 3px;
        font-size: 12px;
        font-weight: 600;
    }
}

#compose-stream-recipient {
    min-width: 0;
}

#compose-stream-recipient,
#compose-private-recipient {
    display: flex;
}

#compose-private-recipient {
    align-items: center;
    width: 100%;
}

.tippy-content .compose_control_buttons_container {
    .compose_gif_icon {
        bottom: 5px;
    }
}

.compose_control_buttons_container {
    margin-right: auto;
    display: flex;
    gap: 4px;
    align-items: center;

    .compose_gif_icon {
        font-size: 22px;
        height: 18px;
        line-height: 18px;
    }

    .fa-eye {
        position: relative;
        top: -0.7px;
    }

    .compose_control_menu {
        padding: 0 7px;
        font-size: 15px;
    }

    .compose_control_menu_wrapper {
        opacity: 0.7;
        padding: 0;
        margin: 0;

        &:hover {
            opacity: 1;
        }

        .compose_control_menu {
            opacity: 1;
        }
    }

    .hide-sm,
    .hide-lg {
        display: flex;
        align-items: center;
        gap: 4px;
        padding: 0;
        margin: 0;
    }

    .divider {
        color: hsl(0deg 0% 88%);
        font-size: 20px;
        margin: 0 3px;
    }

    .compose_draft_button {
        font-size: 15px;
        font-weight: 600;
        font-family: "Source Sans 3", sans-serif;
        padding: 0 5px;
        position: relative;
        top: 0.7px;
    }

    .compose_help_button {
        font-size: 20px;
        line-height: 17px;
    }
}

.compose_right_float_container {
    display: flex;
    flex-direction: row;
    white-space: nowrap;
    margin-top: 2px;
    height: 24px;
}

a.compose_control_button {
    padding: 5px;
    opacity: 0.7;
    color: inherit;
    text-decoration: none;
    font-size: 17px;
    text-align: center;

    &:hover {
        opacity: 1;
    }
}

/* This is used to override the
 * properties of `a.compose_control_button`
 * without using `!important`.
 */
a.compose_control_button.hide {
    display: none;
}

.drag {
    display: none;
    height: 18px;
    width: 100%;
    top: 23px;
    position: relative;
    cursor: ns-resize;
}

.preview_message_area {
    /* minus 5px padding. */
    width: calc(100% - 12px);
    padding: 5px;
    margin-top: 5px;
    /* the maximum height the textarea gets to. */
    max-height: 308px;
    /* the minimum height the textarea collapses to. */
    min-height: 42px;
    overflow: auto;

    border: 1px solid hsl(0deg 0% 67%);
    border-radius: 4px;
    background-color: hsl(0deg 0% 0% / 2%);
    cursor: not-allowed;
}

.markdown_preview_spinner {
    margin: auto;
}

#compose_stream_selection_dropdown {
    display: flex;
    justify-content: flex-start;
    flex: 0 1 200px;
    min-width: 0;

    .stream_header_colorblock {
        margin: 0;
    }

    .dropdown-toggle {
        border-radius: 0 4px 4px 0 !important;
        display: flex;
        min-width: 0;
    }

    .dropup .dropdown-menu {
        top: auto;
        bottom: 100%;
        left: -10px;
        margin-bottom: 17px;
    }

    .dropdown .dropdown-menu {
        top: auto;
        left: -10px;
    }

    #compose_select_stream_name {
        flex-grow: 1;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .dropdown-list-body .list_item a {
        white-space: normal;
    }

    .fa-chevron-down {
        float: right;
        padding-left: 5px;
        color: hsl(0deg 0% 58%);
        font-weight: lighter;
    }

    /* This is the "Select a stream" default message */
    .text-warning {
        color: inherit;
    }
}

#stream_message_recipient_topic {
    min-width: 0;
}

#id_compose_select_stream {
    display: flex;
}

.dropdown-menu {
    & ul {
        list-style: none;
        margin: 0;
        background: hsl(0deg 0% 100%);
    }

    .typeahead-header {
        margin: 0;
        padding-left: 20px;
        padding-right: 20px;
        padding-top: 4px;
        border-top: 1px solid hsl(0deg 0% 0% / 20%);
        display: flex;
        align-items: center;
    }

    #typeahead-header-text {
        font-size: 12px;
    }

    &.typeahead {
        background: hsl(0deg 0% 100%);
    }
}

.compose_mobile_stream_button i,
.compose_mobile_private_button i {
    margin-right: 4px;
}

/* `^` icon located next to `Send` / `Scheduled` button which shows
   options to schedule the message. */
#send_later {
    float: right;
    color: hsl(0deg 0% 100%);
    border-radius: 0 4px 4px 0;
    border-left: 1px solid hsl(213deg 14% 12% / 15%);
    padding: 0;
    margin: 0;

    .fa {
        padding: 4.5px 4px;

        &::before {
            position: relative;
            top: -1px;
        }
    }

    &:hover,
    &:focus {
        box-shadow: none;
    }
}

@media (width < $xl_min) {
    #compose-content {
        margin-right: 7px;
    }
}

@media (width < $md_min) {
    #compose-content {
        margin-right: 7px;
        margin-left: 7px;
    }
}

@media (width < $mm_min) {
    #compose-content {
        margin-right: 5px;
        margin-left: 5px;
    }
}

#compose.compose-fullscreen {
    z-index: 99;

    #compose-container {
        height: 100%;
    }

    .message_comp {
        flex: 1;
        display: flex !important;
        flex-flow: column;
    }

    #compose-textarea,
    #preview_message_area {
        /* Setting height to 0 is necessary to make the flex+Simplebar
           combination work correctly, without pushing the compose
           controls offscreen when previewing a very tall message. */
        max-height: none !important;
        height: 0;
        flex: 1;
    }
}