element-web-Github/res/css/views/right_panel/_RoomSummaryCard.pcss

/*
Copyright 2020 The Matrix.org Foundation C.I.C.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

.mx_RoomSummaryCard {
    .mx_RoomSummaryCard_container {
        text-align: center;
        margin: $spacing-20 var(--cpd-space-4x) 0;
    }

    .mx_RoomSummaryCard_roomName,
    .mx_RoomSummaryCard_alias {
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        white-space: pre-wrap;
        overflow: hidden;
    }

    .mx_RoomSummaryCard_alias {
        text-overflow: ellipsis;
    }

    .mx_RoomSummaryCard_aboutGroup {
        .mx_RoomSummaryCard_Button {
            padding-left: 44px;

            &::before {
                content: "";
                position: absolute;
                top: 8px;
                left: 10px;
                height: 24px;
                width: 24px;
                mask-repeat: no-repeat;
                mask-position: center;
                background-color: $icon-button-color;
            }
        }
    }

    .mx_RoomSummaryCard_appsGroup {
        .mx_RoomSummaryCard_Button {
            /* this button is special so we have to override some of the original styling */
            /* as we will be applying it in its children */
            padding: 0;
            height: auto;
            color: $tertiary-content;

            .mx_RoomSummaryCard_icon_app {
                padding: 10px 48px 10px 12px; /* based on typical mx_RoomSummaryCard_Button padding */
                text-overflow: ellipsis;
                overflow: hidden;
                display: flex;
                justify-content: center;
                span {
                    /* Center aligned and Spacing matched with the About section above the Widgets section */
                    margin-right: 10px;
                    display: flex;
                    justify-content: center;
                    align-items: center;
                    color: $primary-content;
                }
            }

            .mx_RoomSummaryCard_app_pinToggle,
            .mx_RoomSummaryCard_app_maximiseToggle,
            .mx_RoomSummaryCard_app_options {
                position: absolute;
                top: 0;
                height: 100%; /* to give bigger interactive zone */
                width: 24px;
                padding: 12px 4px;
                box-sizing: border-box;
                min-width: 24px; /* prevent flexbox crushing */

                &:hover {
                    &::after {
                        content: "";
                        position: absolute;
                        height: 24px;
                        width: 24px;
                        top: 8px; /* equal to padding-top of parent */
                        left: 0;
                        border-radius: 12px;
                        background-color: rgba(141, 151, 165, 0.1);
                    }
                }

                &::before {
                    content: "";
                    position: absolute;
                    height: 16px;
                    width: 16px;
                    mask-repeat: no-repeat;
                    mask-position: center;
                    mask-size: 16px;
                    background-color: $icon-button-color;
                }
            }

            .mx_RoomSummaryCard_app_pinToggle {
                right: 8px;

                &::before {
                    mask-image: url("$(res)/img/element-icons/room/pin-upright.svg");
                }
            }
            .mx_RoomSummaryCard_app_maximiseToggle {
                right: 32px; /* 24 + 8 */

                &::before {
                    mask-size: 14px;
                    mask-image: url("$(res)/img/element-icons/maximise-expand.svg");
                }
            }

            .mx_RoomSummaryCard_app_options {
                right: 56px; /* 2*24 + 8 */
                display: none;
                &::before {
                    mask-image: url("$(res)/img/element-icons/room/ellipsis.svg");
                }
            }

            &.mx_RoomSummaryCard_Button_pinned {
                &::after {
                    opacity: 0.2;
                }

                .mx_RoomSummaryCard_app_pinToggle::before {
                    background-color: $accent;
                }
            }

            &.mx_RoomSummaryCard_Button_maximised {
                &::after {
                    opacity: 0.2;
                }

                .mx_RoomSummaryCard_app_maximiseToggle::before {
                    background-color: $accent;
                }
            }

            &:hover {
                .mx_RoomSummaryCard_icon_app {
                    padding-right: 72px;
                }

                .mx_RoomSummaryCard_app_options {
                    display: unset;
                }
            }

            &::before {
                content: unset;
            }

            &::after {
                top: 8px; /* re-align based on the height change */
                pointer-events: none; /* pass through to the real button */
            }
        }
    }

    .mx_AccessibleButton_kind_link {
        margin-top: 12px;
        margin-bottom: 12px;
        font-size: $font-13px;
        font-weight: var(--cpd-font-weight-semibold);
    }
}

.mx_RoomSummaryCard_badges {
    margin: var(--cpd-space-4x) 0;
}

.mx_RoomSummaryCard_header {
    padding: 15px 12px;
}

.mx_RoomSummaryCard_search input {
    /* Overriding very broad CSS rules */
    border: 0 !important;
    margin: 0 !important;
    cursor: pointer;
}

.mx_RoomSummaryCard_searchBtn {
    background: var(--cpd-color-bg-canvas-default);
    color: var(--cpd-color-icon-primary);
    border: 1px solid var(--cpd-color-gray-400);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    padding: var(--cpd-space-2x);
    cursor: pointer;

    &:hover {
        background: var(--cpd-color-bg-subtle-primary);
    }
}

.mx_RoomSummaryCard_roomName {
    margin: $spacing-12 0 $spacing-4;
}