riot-web/res/css/structures/_TabbedView.pcss

/*
Copyright 2017 Travis Ralston
Copyright 2019 New Vector Ltd
Copyright 2021 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_TabbedView {
    margin: 0;
    padding: 0 0 0 var(--cpd-space-8x);
    display: flex;
    flex-direction: column;
    inset: 0;
    margin-top: 8px;
}

.mx_TabbedView_tabsOnLeft {
    flex-direction: column;
    position: absolute;

    .mx_TabbedView_tabLabels {
        width: 220px;
        max-width: 220px;
        position: fixed;
        margin: 0; /* Remove the default value */
        padding: 0; /* Remove the default value */
    }

    .mx_TabbedView_tabPanel {
        margin-left: 280px; /* 220px sidebar + 60px padding */
        flex-direction: column;
    }

    .mx_TabbedView_tabLabel:hover,
    .mx_TabbedView_tabLabel_active {
        color: $tab-label-active-fg-color;

        .mx_TabbedView_maskedIcon::before {
            background-color: var(--cpd-color-icon-primary);
        }
    }

    .mx_TabbedView_tabLabel_active {
        background-color: var(--cpd-color-bg-subtle-secondary);
    }

    .mx_TabbedView_maskedIcon {
        width: 20px;
        height: 20px;
        margin-right: var(--cpd-space-3x);
    }

    .mx_TabbedView_maskedIcon::before {
        mask-size: 20px;
        width: 20px;
        height: 20px;
        transition: background-color 0.1s;
    }
}

.mx_TabbedView_tabsOnTop {
    flex-direction: column;

    .mx_TabbedView_tabLabels {
        display: flex;
        margin-bottom: 8px;
    }

    .mx_TabbedView_tabLabel {
        padding-left: 0px;
        padding-right: 52px;

        .mx_TabbedView_tabLabel_text {
            font-size: 15px;
            color: $tertiary-content;
        }
    }

    .mx_TabbedView_tabPanel {
        flex-direction: row;
    }

    .mx_TabbedView_tabLabel_active {
        color: $accent;
        .mx_TabbedView_tabLabel_text {
            color: $accent;
        }
    }

    .mx_TabbedView_tabLabel_active .mx_TabbedView_maskedIcon::before {
        background-color: $accent;
    }

    .mx_TabbedView_maskedIcon {
        width: 22px;
        height: 22px;
        margin-left: 0px;
        margin-right: 8px;
    }

    .mx_TabbedView_maskedIcon::before {
        mask-size: 22px;
        width: inherit;
        height: inherit;
    }
}

.mx_TabbedView_tabLabels {
    color: $tab-label-fg-color;
}

.mx_TabbedView_tabLabel {
    display: flex;
    align-items: center;
    vertical-align: text-top;
    cursor: pointer;
    padding-block: var(--cpd-space-2x);
    padding-inline: var(--cpd-space-3x) var(--cpd-space-4x);
    box-sizing: border-box;
    min-block-size: 40px;
    min-inline-size: 40px;
    border-radius: 24px;
    font: var(--cpd-font-body-md-medium);
    position: relative;
    transition:
        color 0.1s,
        background-color 0.1s;
}

.mx_TabbedView_maskedIcon {
    display: inline-block;
}

.mx_TabbedView_maskedIcon::before {
    display: inline-block;
    background-color: var(--cpd-color-icon-secondary);
    mask-repeat: no-repeat;
    mask-position: center;
    content: "";
}

.mx_TabbedView_tabLabel_text {
    vertical-align: middle;
}

.mx_TabbedView_tabPanel {
    flex-grow: 1;
    display: flex;
    min-height: 0; /* firefox */
}

.mx_TabbedView_tabPanelContent {
    flex-grow: 1;
    overflow: auto;
    min-height: 0; /* firefox */
}

/* Hide the labels on tabs, showing only the icons, on narrow viewports. */
@media (max-width: 1024px) {
    .mx_TabbedView_tabsOnLeft.mx_TabbedView_responsive {
        .mx_TabbedView_tabLabel_text {
            display: none;
        }
        .mx_TabbedView_tabPanel {
            margin-left: 72px; /* 40px sidebar + 32px padding */
        }
        .mx_TabbedView_maskedIcon {
            margin-right: auto;
            margin-left: auto;
        }
        .mx_TabbedView_tabLabels {
            width: auto;
        }
        .mx_TabbedView_tabLabel {
            padding-inline: 0 0;
        }
    }
}