element-web/res/css/views/right_panel/_BaseCard.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_BaseCard {
    --BaseCard_padding-inline: $spacing-8;
    --BaseCard_EventTile_line-padding-block: 2px;
    --BaseCard_EventTile-spacing-inline: 36px; /* TODO: Use a spacing variable */
    --BaseCard_header-button-size: 24px;

    padding: 0 var(--BaseCard_padding-inline);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    flex: 1;

    .mx_BaseCard_header {
        --BaseCard_header_button-margin: $spacing-12;

        margin: $spacing-4 0 $spacing-12;

        > h2 {
            margin: 0 44px; /* TODO: Use a spacing variable */
            font-size: $font-18px;
            font-weight: $font-semi-bold;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .mx_BaseCard_back,
        .mx_BaseCard_close {
            position: absolute;
            background-color: rgba(141, 151, 165, 0.2);
            width: var(--BaseCard_header-button-size);
            height: var(--BaseCard_header-button-size);
            margin: var(--BaseCard_header_button-margin);
            top: 0;
            border-radius: 50%;

            &::before {
                content: "";
                position: absolute;
                height: inherit;
                width: inherit;
                top: 0;
                left: 0;
                mask-repeat: no-repeat;
                mask-position: center;
                background-color: $header-panel-text-primary-color;
            }
        }

        .mx_BaseCard_back {
            left: 0;
            margin-inline-start: calc(var(--BaseCard_header_button-margin) - $spacing-4);

            &::before {
                transform: rotate(90deg);
                mask-size: 22px;
                mask-image: url("$(res)/img/feather-customised/chevron-down.svg");
            }

            /* Header title with the back button */
            ~ .mx_BaseCard_header_title {
                width: calc(100% - 60px);
                margin-inline-start: var(--BaseCard_header-button-size);

                .mx_BaseCard_header_title_heading {
                    margin-inline-start: 6px; /* TODO: Use a spacing variable */
                }
            }
        }

        .mx_BaseCard_close {
            right: 0;
            margin-inline-end: calc(var(--BaseCard_header_button-margin) - $spacing-4);

            &::before {
                mask-image: url("$(res)/img/icons-close.svg");
                mask-size: 8px;
            }
        }

        .mx_BaseCard_header_title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: calc(100% - 38px);
            height: 24px;
            flex: 1;

            .mx_BaseCard_header_title_heading {
                color: $secondary-content;
                overflow: hidden;
                white-space: nowrap;
                text-overflow: ellipsis;
            }

            .mx_BaseCard_header_title_button--option {
                position: relative;
                width: var(--BaseCard_header-button-size);
                height: var(--BaseCard_header-button-size);

                &::after {
                    content: "";
                    position: absolute;
                    inset-block-start: 0;
                    inset-inline-start: 0;
                    height: 100%;
                    width: 100%;
                    mask-repeat: no-repeat;
                    mask-position: center;
                    mask-image: url("$(res)/img/element-icons/message/overflow-large.svg");
                    background-color: $secondary-content;
                }

                &:hover::after {
                    background-color: $primary-content;
                }
            }
        }
    }

    .mx_AutoHideScrollbar {
        /* collapse the margin into a padding to move the scrollbar into the right gutter */
        margin-right: -8px;
        padding-right: 8px;
        min-height: 0;
        width: 100%;
        height: 100%;
    }

    .mx_BaseCard_Group {
        margin: $spacing-20 0 $spacing-16;

        & > * {
            margin-left: $spacing-12;
            margin-right: $spacing-12;
        }

        > h1 {
            color: $tertiary-content;
            font-size: $font-12px;
            font-weight: 500;
        }

        .mx_BaseCard_Button {
            padding: 10px; /* TODO: Use a spacing variable */
            padding-inline-start: $spacing-12;
            margin: 0;
            position: relative;
            font-size: $font-13px;
            height: 20px;
            line-height: 20px;
            border-radius: 8px;
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
            display: flex;

            .mx_BaseCard_Button_sublabel {
                color: $tertiary-content;
                margin-left: auto;
            }

            &:hover {
                background-color: rgba(141, 151, 165, 0.1);
            }

            &.mx_AccessibleButton_disabled {
                padding-right: $spacing-12;
                &::after {
                    content: unset;
                }
            }
        }
    }

    .mx_BaseCard_footer {
        padding-top: $spacing-4;
        text-align: center;
        display: flex;
        justify-content: space-around;

        .mx_AccessibleButton_kind_secondary {
            color: $secondary-content;
            background-color: rgba(141, 151, 165, 0.2);
            font-weight: $font-semi-bold;
            font-size: $font-14px;
        }

        .mx_AccessibleButton_disabled {
            cursor: not-allowed;
        }
    }
}

.mx_FilePanel,
.mx_UserInfo,
.mx_MemberList {
    &.mx_BaseCard {
        padding: $spacing-32 0 0;

        .mx_AutoHideScrollbar {
            margin-right: unset;
            padding-right: unset;
        }
    }
}

.mx_ContextualMenu_wrapper.mx_BaseCard_header_title {
    .mx_ContextualMenu {
        position: initial;

        span:first-of-type {
            font-weight: $font-semi-bold;
            font-size: inherit;
            color: $primary-content;
        }

        font-size: $font-12px;
        color: $secondary-content;
        padding-top: 10px; /* TODO: Use a spacing variable */
        padding-bottom: 10px; /* TODO: Use a spacing variable */

        border: 1px solid $quinary-content;
        box-shadow: 0px 1px 3px rgba(23, 25, 28, 0.05);
    }

    .mx_ContextualMenu_chevron_top {
        left: auto;
        right: 22px; /* TODO: Use a spacing variable */
        border-bottom-color: $quinary-content;

        &::after {
            content: "";
            border: inherit;
            border-bottom-color: $menu-bg-color;
            position: absolute;
            top: 1px;
            left: -8px;
        }
    }
}