Source/WebInspectorUI/UserInterface/Views/RadioButtonNavigationItem.css

/*
 * Copyright (C) 2013 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

.navigation-bar .item.radio.button.text-only:focus {
    outline-offset: -1px;
}

.navigation-bar .item.radio.button.text-only {
    position: relative;
    padding: 2px 6px 4px;
    border: none;
    z-index: 0;
}

.navigation-bar .item.radio.button.text-only::before {
    position: absolute;
    content: "";
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    border-radius: 3px;
    opacity: var(--glyph-opacity);
    z-index: -1;
}

.navigation-bar .item.radio.button.text-only:matches(.selected, :hover) {
    color: var(--selected-foreground-color);
}

.navigation-bar .item.radio.button.text-only:matches(.selected, :hover)::before {
    background-color: var(--glyph-color-active);
}

.navigation-bar .item.radio.button.text-only:not(.selected):hover::before {
    opacity: 0.5;
}

.navigation-bar .item.radio.button.text-only.selected:active::before {
    filter: brightness(0.8);
}