/*****************************************************************************
 * Copyright (c) 2010, 2024 Contributors to the Eclipse Foundation
 *
 * See the NOTICE file(s) distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This program and the accompanying materials are made available under the terms
 * of the MIT License which is available at https://opensource.org/licenses/MIT
 *
 * SPDX-License-Identifier: MIT
 ****************************************************************************/

@import url("https://fonts.googleapis.com/css?family=Open+Sans:300,300italic,400,400italic,600,600italic%7CNoto+Serif:400,400italic,700,700italic%7CDroid+Sans+Mono:400,700");
@import url("https://cdn.jsdelivr.net/gh/asciidoctor/asciidoctor@2.0/data/stylesheets/asciidoctor-default.css");

/* Variables. */
:root {
    /* Colors to match Chi website theme. */
    --escet-color-rgb:                25,135,84;
    --escet-color-heading:            var(--escet-color-rgb);
    --escet-color-link:               var(--escet-color-rgb);
    --escet-color-admonition:         var(--escet-color-rgb);
    --escet-color-quoteblock:         var(--escet-color-rgb);
    --escet-color-exampleblock:       var(--escet-color-rgb);
}

/* Same sans-serif font everywhere. */
body {
    font-family: "Open Sans","DejaVu Sans",sans-serif;
}

/* Header styling. */
#header > h1:first-child {
    color: rgb(var(--escet-color-heading));
}
h1, h2, h3, h4, h5, h6, #toctitle, .sidebarblock > .content > .title {
    color: rgb(var(--escet-color-heading));
    font-weight: 600;
}
h1 small, h2 small, h3 small, h4 small, h5 small, h6 small, #toctitle small, .sidebarblock > .content > .title small {
    color: rgb(var(--escet-color-heading));
}

/* Revision number styling. */
#header #revnumber {
    text-transform: inherit; /* Don't capitalize the first letter. */
}

/* Menu macro styling. */
.menu, .submenu, .menuitem, .menuref {
    font-style: italic; /* Make it stand out a bit more. */
}

/* Code styling. */
:not(pre):not([class^=L]) > code {
    padding: .1em .2em; /* Less horizontal padding. */
}
p.tableblock > code:only-child {
    background: #f7f7f8; /* Also style code in tables as elsewhere. */
    padding: .1em .2em; /* Also style code in tables as elsewhere. */
}

/* Listing styling. */
pre > code {
    text-wrap: nowrap;
    overflow: auto;
}
.listingblock:hover code[data-lang]::before {
    content: none;
    display: none;
}

/* Link styling. */
html body a {
    color: rgb(var(--escet-color-link));
}
html > body a:hover,
html > body a:focus {
    color: black;
}

/* External links styling. */
a[href^="http://"]:not([href^="http://eclipse.dev/escet"]),
a[href^="https://"]:not([href^="https://eclipse.dev/escet"]) {
    /* Image source: https://en.m.wikipedia.org/wiki/File:Link-external-small-ltr-progressive.svg */
    /* Image license: CC BY 4.0 License (see https://creativecommons.org/licenses/by/4.0/) */
    /* Image modifications compared to source:
       - Removed XML declaration.
       - Removed SVG namespace.
       - Removed title.
       - Changed color from blue to grey.
       - Scaled to 80% of original size.
    */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' transform='scale(0.8)' d='M6 1h5v5L8.86 3.85 4.7 8 4 7.3l4.15-4.16L6 1ZM2 3h2v1H2v6h6V8h1v2a1 1 0 0 1-1 1H2a1 1 0 0 1-1-1V4a1 1 0 0 1 1-1Z'/%3E%3C/svg%3E");
    background-position: center right;
    background-repeat: no-repeat;
    background-size: 0.857em;
    padding-right: 1em;
    margin-right: -0.15em;
}
#footer a {
    background: unset;
    padding-right: unset;
    margin-right: unset;
}

/* Keyboard macro styling. */
kbd {
    display: inline; /* Make sure an end of sentence period after a 'kbd' macro doesn't get wrapped to the next line. */
}

/* Button macro styling. */
.button {
    border: 3px solid #eee;
    border-radius: 4px;
    padding-left: 0.5ex;
    padding-right: 0.5ex;
    font-weight: normal;
    white-space: nowrap;
}
.button:before {
    content: none !important; /* Default styling puts '[' before the button. Disable that. */
}
.button:after {
    content: none !important; /* Default styling puts ']' after the button. Disable that. */
}

/* Admonition styling. */
.admonitionblock > table td.icon {
    border-style: solid;
    border-width: 0 0 0 6px;
    border-color: rgba(var(--escet-color-admonition),0.25);
    background-color: rgba(var(--escet-color-admonition),0.125);
    margin: 0;
    padding: 0;
    width: 0; /* Content determines size. */
}
.admonitionblock > table td.icon i[class^="fa icon-"] {
    font-size: 100%;
    vertical-align: middle;
}
.admonitionblock > table td.icon i[class^="fa icon-"]::before {
    content: none;
}
.admonitionblock > table td.icon i[class^="fa icon-"]::after {
    content: attr(title);
    text-transform: uppercase; 
    text-shadow: none;
    font-family: "Open Sans","DejaVu Sans",sans-serif;
    font-size: 100%;
    font-style: normal;
    font-weight: 600;
    padding: 0 1em;
}
.admonitionblock > table td.content {
    border: none;
    background-color: rgba(var(--escet-color-admonition),0.05);
    padding-left: 1em;
    padding-right: 1em;
}

/* Block styling. */
.quoteblock blockquote::before { 
    color: rgb(var(--escet-color-quoteblock));
}
.exampleblock > .content {
    background: rgba(var(--escet-color-exampleblock),0.05);
    border-color: rgba(var(--escet-color-exampleblock),0.125);
    border-width: 2px;
    box-shadow: none;
}

/* Title styling (not page title, but titles in content, such as image titles). */
.admonitionblock td.content > .title,
.audioblock > .title,
.exampleblock > .title,
.imageblock > .title,
.listingblock > .title,
.literalblock > .title,
.stemblock > .title,
.openblock > .title,
.paragraph > .title,
.quoteblock > .title,
table.tableblock > .title,
.verseblock > .title,
.videoblock > .title,
.dlist > .title,
.olist > .title,
.ulist > .title,
.qlist > .title,
.hdlist > .title {
    font-family: "Open Sans","DejaVu Sans",sans-serif; /* Same font as other elements. */
}
.subheader,
.admonitionblock td.content > .title,
.audioblock > .title,
.exampleblock > .title,
.imageblock > .title,
.listingblock > .title,
.literalblock > .title,
.stemblock > .title,
.openblock > .title,
.paragraph > .title,
.quoteblock > .title,
table.tableblock > .title,
.verseblock > .title,
.videoblock > .title,
.dlist > .title,
.olist > .title,
.ulist > .title,
.qlist > .title,
.hdlist > .title {
    color: #5d5d5d;
}
.sidebarblock > .content > .title {
    color: #000;
}

/* Footer styling. */
#footer-text, #footer-text a {
    color: rgba(255,255,255,.8)
}

/* Footer at bottom of the page, regardless of the amount of content on the page. */
html, body {
    height: 100%;
}
body {
    display: flex;
    flex-direction: column;
}
#header {
    flex-shrink: 0;
}
#content {
    flex: 1 0 auto;
}
#footer {
    flex-shrink: 0;
}

/* TOC styling. */
#toc > ul.sectlevel1 {
    margin-left: 1em;
}
#toc li.toc-item > div.toc-item-marker {
    display: inline-block;
    width: 1em;
    margin-left: -1em;
    color: rgb(var(--escet-color-link));
    font-weight: 600;
}
#toc li.toc-item > div.toc-item-marker:after {
    display: inline-block;
    content: '\2022';
}
#toc li.toc-item-parent > div.toc-item-marker {
    cursor: pointer;
}
#toc li.toc-item-parent > div.toc-item-marker:after {
    content: '\203A';
    transition: 0.2s;
}
#toc li.toc-item-parent:not(.expanded) > div.toc-item-marker:after {
    transform: rotate(0deg);
    padding-left: .05em;
}
#toc li.toc-item-parent:is(.expanded) > div.toc-item-marker:after {
    transform: rotate(90deg) translateY(-.15em);
    padding-left: 0;
}
#toc li.toc-item-parent > ul {
    display: none;
}
#toc li.toc-item-parent.expanded > ul {
    display: inherit;
}
#toc .toc-cur-page > a,
#toc .toc-cur-page-ancestor > a,
#toc .toc-cur-section > a,
#toc .toc-cur-section-ancestor > a {
    font-weight: bold;
}
