@charset "UTF-8";

/* CSS Stylesheet for _DocBook: The Definitive Guide_
 * Copyright © 2010, 2011, 2020 Norman Walsh.
 */

@import url("https://fonts.googleapis.com/css?family=EB+Garamond&display=swap");
@import url("https://fonts.googleapis.com/css?family=Montserrat&display=swap");
@import url("https://fonts.googleapis.com/css?family=PT+Mono&display=swap");

:root {
    --body-family: "EB Garamond", serif;
    --verbatim-odd-background-color: #fafafa;
    --verbatim-even-background-color: #fafafa;
    --docbook-green: #00706b;
    -moz-osx-font-smoothing: grayscale;
    max-width: inherit;
}

html {
    font-size: 1.5rem;
    line-height: 1.5rem;
}

body {
    margin-left: 0;
    margin-right: 0;
}

main {
    max-width: 50rem;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 2rem;
}

main > div,
main > article {
    margin-left: 0.25rem;
    margin-right: 0.25rem;
}

.book > header {
    border: none;
    padding-left: 0;
    padding-right: 0;
}

.book > header h1 {
    text-align: left;
}

.book .covergraphic * {
    float: left;
}

.book .covergraphic img {
    float: left;
    margin-right: 20px;
    border: solid black 1px;
}

header .authorgroup {
    margin-bottom: 0;
}

#backcover {
    position: relative;
    top: -60px;
    height: 0px;
    left: 380px;
}

/* html.css (in Firefox?) fiddles with heading sizes when
   the parent is a article, aside, nav, or section. WTF? */

h1 {
    font-size: 2em;
}

h2 {
    font-size: 1.5em;
}

h3 {
    font-size: 1.25em;
}

h4 {
    font-size: 1.1em;
}

h5 {
    font-size: 1.0em;
}

code {
    font-size: 95%;
}

.pre-wrap {
    overflow: scroll;
    background-color: var(--verbatim-odd-background-color);
}

pre.programlisting,
pre.screen {
    line-height: 1.0em;
}

pre.numbered span.ln {
    font-size: 75%;
    width: 2rem;
}

a,
a:visited {
    color: var(--docbook-green);
    text-decoration: none;
}

.sincerev {
  background-color: black;
  color: white;
  font-family: var(--title-family), sans-serif;
  padding-left: 3px;
  padding-right: 3px;
  padding-top: 3px;
  padding-bottom: 1px;
  border-radius: 4px;
}

h1 .sincerev,
h2 .sincerev {
  position: absolute;
  top: 3.5rem;
  right: 3.5rem;
  font-size: 0.75rem;
  display: none;
}  

li .sincerev {
    margin-left: 0.5rem;
    font-size: 50%;
    font-weight: bold;
    line-height: 1.25em;
}

.pagetoc .sincerev {
    display: none;
}

/* ============================================================ */

.cmjs {
    color: #bfbfbf;
    cursor: pointer;
}

.cmdelete {
    display: inline-block;
    font-weight: bold;
    font-size: 110%;
}

.cmsidebar {
    display: none;
    float: right;
    border: 1px solid #bfbfbf;
    border-radius: 4px;
    padding: 0;
}

.cmsidebar .cmx {
    float: right;
    cursor: pointer;
    font-size: 32px;
    padding-right: 0.25rem;
}

.cmsidebar .title {
    font-size: 18px;
    margin-bottom: 0;
    padding-left: 0.5rem;
    background-color: rgb(124,189,179);
}

.cmsidebar .body {
    width: 8rem;
    height: 12rem;
    overflow: auto;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    padding-bottom: 0.5rem;
    overflow: scrool;
}    

.cmsidebar ul {
    list-style: none;
    padding: 0;
    margin-top: 0;
    margin-bottom: 0;
}

/* ============================================================ */

nav.top {
    width: 100%;
    background-color: var(--docbook-green);
    color: #fffff8;
}

nav.top .nav {
    float: left;
    margin-left: 0.25rem;
}

nav.top .text {
    float: right;
    font-size: 18px;
    margin-right: 0.25rem;
}

nav.bottom {
    background-color: var(--docbook-green);
    color: white;
    margin-bottom: 0px;
    padding-top: 6px;
    padding-bottom: 10px;
    padding-left: 1rem;
    padding-right: 1rem;
    border-top-style: solid;
    border-top-width: 1px;
    display: grid;
    font-size: 1.0rem;
}

.navrow {
    display: grid;
    grid-template-columns: 33% 34% 33%;
}

.navleft {
    text-align: left;
    grid-column: 1;
}

.navmiddle {
    text-align: center;
    grid-column: 2;
}

.navright {
    text-align: right;
    grid-column: 3;
}

.navrow .navtitle {
    font-size: 18px;
}

nav .version {
    display: none;
}

nav a,
nav a:visited {
    color: #fffff8;
}

nav .title {
    color: inherit;
    background-color: inherit;
}

html.js .pagetoc {
    font-family: var(--title-family), sans-serif;
}

html.js .pagebody .tocwrapper {
    font-size: 80%;
    overflow: scroll;
    margin-bottom: 6rem;
}

html.js .pagebody .pagetoc .ctrl {
    top: 2rem;
}

.pagetoc a,
.pagetoc a:visited {
    color: black;
}

.infofooter {
    padding-top: 0.5rem;
    font-size: 14px;
}

.infofooter > .revision {
    float: right;
    display: none;
}

.infofooter > .copyrightfooter {
    float: left;
}

nav.bottom img {
    vertical-align: text-bottom;
}

span.githash {
  font-size: 90%; }

div.copyrightfooter {
  margin-top: 0px;
  padding-top: 5px;
  font-size: 14px;
}

#bookhome footer {
    display: none;
}

#bookhome main {
    padding-bottom: 4em;
}

.colophon {
    margin: inherit;
    border: inherit;
    border-radius: inherit;
    padding: inherit;
}

.calloutlist dl dt { float: left; width: 1.75rem; }
.calloutlist dl dd { margin-left: 1.75rem; }
.calloutlist .callout {
    font-size: 80%;
}

/* ============================================================ */

.revadded {
    background-color: inherit;
}

.revadded::before {
    content: none;
}

.revadded::after {
    content: none;
}

.revchanged {
    background-color: inherit;
}

.revchanged::before {
    content: none;
}

.revchanged::after {
    content: none;
}

.revdeleted {
    background-color: inherit;
}

.revdeleted::before {
    content: none;
}

.revdeleted::after {
    content: none;
}

.revoff .revadded,
.revoff .revchanged,
.revoff .revdeleted {
    background-color: inherit;
}

.revoff .revadded::before,
.revoff .revchanged::before,
.revoff .revdeleted::before,
.revoff .revadded::after,
.revoff .revchanged::after,
.revoff .revdeleted::after {
    content: "";
}

nav.tocopen span {
    display: none;
}

nav.tocopen:before {
  font-family: FontAwesome;
  font-weight: normal;
  font-style: normal;
  display: inline-block;
  text-decoration: inherit;
  content: "\f0cb";
}

/* ============================================================ */

@media screen and (min-width: 480px)
{
    main > div,
    main > article {
        margin-left: 1rem;
        margin-right: 1rem;
    }

    nav.top .nav {
        padding-left: 1rem;
    }

    nav.top .text {
        padding-right: 1rem;
    }
}

@media screen and (min-width: 768px)
{
    main {
        width: 50rem;
    }

    main > div,
    main > article {
        margin-left: 2rem;
        margin-right: 2rem;
    }

    nav .version {
        display: inline;
    }

    nav.top .nav {
        padding-left: 2rem;
    }

    nav.top .text {
        padding-right: 2rem;
    }

    h1 .sincerev,
    h2 .sincerev {
        display: block;
        font-weight: bold;;
    }

    .cmdelete {
        float: left;
        margin-left: -1.25rem;
        width: 1.25rem;
    }

    .infofooter {
        margin-top: 0.5rem;
        border-top: solid 1px #aaaaaa;
    }

    .infofooter > .revision {
        display: inline;
    }

    header {
        padding-right: 2rem;
    }

    nav.slide header {
        padding-right: 0;
    }

    footer {
        padding-left: 3rem;
        padding-right: 3rem;
    }
}

@media screen and (min-width: 1023px) {
    .cmsidebar {
        display: block;
    }
}