/* This file is part of CAT-SOOP
 * Copyright (c) 2011-2023 by The CAT-SOOP Developers <catsoop-dev@mit.edu>
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Affero General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/* Basic Font Sizing/Styling */
:root {
  --cs-base-bg-color: #000080;
  --cs-max-page-width: 1100px;
  --callout-color-note: #2572f5;
  --callout-color-tip: #12b712;
  --callout-color-error: #dd0000;
  --callout-color-warning: #eeab00;
}
html {
  height: 100%;
  font-size: 16px;
}
fieldset {
  border: 0;
}
body {
  min-height: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  overflow: auto;
}
a,
b,
del,
em,
i,
ins,
q,
span,
strong,
u {
  font-size: 1em;
}

a.cs_permalink {
  margin-left: 10px;
  font-size: 50%;
  vertical-align: middle;
  padding-bottom: 0.5em;
  text-decoration: none;
  opacity: 0.5;
  visibility: hidden;
}

a.cs_permalink:hover {
  opacity: 1;
  text-decoration: none;
}

.cs_section_title:hover > a.cs_permalink {
  visibility: visible;
}

a {
  color: var(--cs-base-bg-color);
  text-decoration: none;
}
a:visited {
  color: var(--cs-base-bg-color);
}
a:hover,
a:focus {
  text-decoration: underline;
}
html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu,
    "Helvetica Neue", Helvetica, sans-serif;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}
code,
kbd,
pre,
samp,
tt {
  font-family: Menlo, Consolas, Courier, Courier New, monospace;
  font-size: 0.95em;
}
blockquote {
  margin-top: 10px;
  margin-bottom: 10px;
  margin-left: 50px;
  padding-left: 15px;
  border-left: 3px solid #ccc;
  background-color: transparent;
  color: #999;
}
code {
  padding: 2px;
  border-radius: 5px;
  background-color: #f0f0f0;
  color: inherit;
}
pre {
  padding: 1em;
  white-space: pre-wrap;
  border-radius: 5px;
  background-color: #f0f0f0;
}
pre code {
  padding: 0px;
}
.catsooplogo {
  text-align: center;
  overflow: hidden;
  white-space: pre;
  word-wrap: normal;
  background: transparent;
  border: none;
  line-height: 1.1em;
  margin: 0px;
  padding: 0.1em;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.2;
}
h1 small,
h2 small,
h3 small,
h4 small,
h5 small,
h6 small {
  color: var(--secondary-fore-color);
  display: block;
  margin-top: -0.25rem;
}
h1 {
  font-size: 2.1rem;
}
h2 {
  font-size: 1.7rem;
}
h3 {
  font-size: 1.4rem;
}
h4 {
  font-size: 1.2rem;
}
h5 {
  font-size: 1rem;
}
h6 {
  font-size: calc(1rem / var(--heading-ratio));
}
.cs_base_bold {
  font-weight: bold;
  color: var(--cs-base-bg-color);
}
header {
  width: 100%;
  height: 3rem;
  background-color: var(--cs-base-bg-color);
  margin-left: 0px;
  margin-right: 0px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  z-index: 1000;
  position: fixed;
  top: 0;
  left: 0;
}

span.line {
  display: inline-block;
}
span.line > a > p {
  margin: 0px;
}
.cs_nav_wrapper {
}

.cs_navigation {
  text-align: center;
  padding-bottom: 0.5em;
  padding-top: 0.5em;
  width: calc(100%-4em);
  padding-left: 2em;
  padding-right: 2em;
}

.cs_top_navigation,
.cs_bottom_navigation {
  border-bottom: 1px solid;
  margin-top: 3em;
  list-style: none;
}

.cs_top_navigation li,
.cs_bottom_navigation li {
  display: inline;
}

.cs_top_navigation li + li:before,
.cs_bottom_navigation li + li:before {
  padding: 8px;
  content: ">";
}

.cs_bottom_navigation {
  border-top: 1px solid;
}

.cs_navigation:empty {
  border: none;
}

.cs_page_body {
  margin-bottom: 5em;
}

.nav-container {
  -ms-flex-preferred-size: 80%;
  flex-basis: 80%;
  height: 100%;
  margin: 0px;
  padding: 0px;
  max-width: var(--cs-max-page-width);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  vertical-align: middle;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
}
header a,
header a:visited {
  color: var(--cs-base-font-color);
  text-decoration: none;
}
header a:hover {
  text-decoration: none;
}
header .icon {
  display: none;
}
header .downarrow {
  font-size: 0.5rem;
  padding-left: 0.25rem;
  padding-bottom: 0.125rem;
  vertical-align: middle;
}
.dropdown .dropbtn {
  border: none;
  outline: none;
  color: var(--cs-base-font-color);
  background-color: inherit;
  font-family: inherit;
  margin: 0px;
  margin-left: 1em;
  margin-right: 1em;
  cursor: pointer;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.dropdown-content > .divider {
  height: 2px;
  background-color: #dddddd;
}

header a {
  margin-left: 1em;
  margin-right: 1em;
}
.dropdown-content {
  display: none;
  position: absolute;
  background-color: #fff;
  min-width: 160px;
  -webkit-box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2);
  box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2);
  z-index: 1001;
}
.dropdown-content a {
  color: #000;
  display: block;
  padding: 5px 10px 10px 10px;
  width: calc(100%-2em);
  margin-left: 0;
  margin-right: 0;
}
.dropdown-content a:hover,
.dropdown-content a:visited:hover {
  color: var(--cs-light-font-color);
  text-decoration: none;
  background-color: var(--cs-light-bg-color);
}
.dropdown-content a:visited {
  color: #000;
  text-decoration: none;
}
.dropdown-checkbox:checked + .dropdown-content {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}
header .cs_header_text {
  font-size: 2.5rem;
  text-decoration: none;
  font-weight: bold;
  -webkit-box-flex: 2;
  -ms-flex-positive: 2;
  flex-grow: 2;
  margin: 0px;
  -ms-flex-preferred-size: 33%;
  flex-basis: 33%;
}
.cs_body {
  -webkit-box-flex: 1;
  -ms-flex: 1;
  flex: 1;
  overflow: auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  padding-left: 2em;
  padding-right: 2em;
  padding-bottom: 0px;
  padding-top: 0px;
  -webkit-box-align: stretch;
  -ms-flex-align: stretch;
  align-items: stretch;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
}
.cs_content {
  -ms-flex-preferred-size: 60%;
  flex-basis: 60%;
  min-width: 900px;
  max-width: var(--cs-max-page-width);
}
.anchor {
  display: inline;
  position: relative;
  top: -4rem;
}

.cs_footer {
  text-align: center;
  background: #eee;
  border-top: 0.0625rem solid #ccc;
  padding-top: 2rem;
  padding-bottom: 1rem;
  font-size: 0.875rem;
  width: calc(100%-4em) !important;
  padding-left: 2em;
  padding-right: 2em;
  margin-left: 0px;
  margin-right: 0px;
  margin-top: 0px;
}
/* Tables */
table {
  border-collapse: collapse;
}
table,
th,
td {
  padding: 0.25rem;
}

/* Emoji */

img.emoji {
  height: 1em;
  position: relative;
  vertical-align: middle;
  top: -0.1rem;
  margin: 0;
}

/* Callouts */

.callout {
  margin: 1em;
  border: 1px solid #ccc;
  border-left-width: 0.3rem;
  border-radius: 5px;
  padding: 0.5rem 1rem;
}
.callout-title {
  display: inline-block;
  font-weight: bold;
  margin-bottom: 0.6rem;
}

.callout-note {
  border-left-color: var(--callout-color-note);
}
.callout-note > .callout-title {
  border-bottom: 2px solid var(--callout-color-note);
}

.callout-tip {
  border-left-color: var(--callout-color-tip);
}
.callout-tip > .callout-title {
  border-bottom: 2px solid var(--callout-color-tip);
}

.callout-warning {
  border-left-color: var(--callout-color-warning);
}
.callout-warning > .callout-title {
  border-bottom: 2px solid var(--callout-color-warning);
}

.callout-error {
  border-left-color: var(--callout-color-error);
}
.callout-error > .callout-title {
  border-bottom: 2px solid var(--callout-color-error);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 6px 12px;
  margin-bottom: 0;
  font-weight: 400;
  line-height: 1.42857143;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  -ms-touch-action: manipulation;
  touch-action: manipulation;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  background-image: none;
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--cs-base-font-color);
  background-color: var(--cs-base-bg-color);
  border-color: #000000;
  text-decoration: none;
}
.btn[disabled] {
  cursor: not-allowed;
  filter: alpha(opacity=65);
  -webkit-box-shadow: none;
  box-shadow: none;
  opacity: 0.65;
  text-decoration: none;
}
.btn:focus {
  text-decoration: none;
}
.btn:hover,
.btn:active,
.btn:active:hover {
  color: var(--cs-light-font-color);
  background-color: var(--cs-light-bg-color);
  border-color: #000000;
  text-decoration: none;
}
a.btn:visited {
  color: var(--cs-base-font-color);
}

.showhide-toggle[aria-pressed="false"] + div {
  display: none;
}

/* Modal Dialog */
.catsoop-modal-content::background {
  background-color: rgb(0, 0, 0);
  background-color: rgba(0, 0, 0, 0.4);
}
.catsoop-modal-content {
  padding: 1em;
  -webkit-box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2);
  box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2);
  border-radius: 4px;
}
.catsoop-modal-input {
  margin-top: 1rem;
  width: calc(100% - 2em);
}
.catsoop-modal-close {
  border: 0px;
  cursor: pointer;
  font-size: 2em;
  padding: 0.5rem;
  background-color: inherit;
  float: right;
}
.catsoop-modal-close:hover {
  color: #f00;
}
.catsoop-modal-header {
  font-size: 1.4rem;
  font-weight: bold;
}
/* Various Kinds of Boxes */
.response {
  width: 90%;
  padding: 10px;
  margin: 20px auto 20px auto;
  background-color: #ffffff;
  border-color: #000000;
  border-style: solid;
  border-width: 1px;
  border-radius: 10px;
}
.question {
  width: 90%;
  padding: 15px;
  margin: 20px auto 20px auto;
  background-color: #ffffff;
  border-color: #000000;
  border-style: solid;
  border-width: 1px;
  border-radius: 10px;
}
.checkoff {
  width: 90%;
  padding: 10px;
  margin: 20px auto 20px auto;
  background-color: #ddddff;
  border-color: #000000;
  border-style: solid;
  border-width: 3px;
  border-radius: 10px;
}
.solution {
  width: 90%;
  padding: 10px;
  margin: 20px auto 20px auto;
  background-color: #dbffdc;
  border-color: #005702;
  border-style: solid;
  border-width: 1px;
  border-radius: 10px;
}
.impsolution {
  width: 90%;
  padding: 10px;
  margin: 20px auto 20px auto;
  background-color: #ffd9d9;
  border-color: #ff0000;
  border-style: solid;
  border-width: 1px;
  border-radius: 10px;
}

/* highlight.js styles */
/* Based on default colors in Python's IDLE */

span.hl code {
  display: inline !important;
  overflow-x: auto;
  padding: 2px;
}

.hljs {
  display: block;
  overflow-x: auto;
  padding: 0.5em;
  color: black;
}

.hljs-comment,
.hljs-quote {
  color: #dd0000;
}

.hljs-keyword,
.hljs-selector-tag,
.hljs-literal {
  color: #ff7700;
}

.hljs-name {
  color: #008;
}

.hljs-variable,
.hljs-template-variable {
  color: #660;
}

.hljs-string {
  color: #00aa00;
}

.hljs-regexp,
.hljs-link {
  color: #080;
}

.hljs-title,
.hljs-tag,
.hljs-symbol,
.hljs-bullet,
.hljs-meta {
  color: #1c00cf;
}

.hljs-section,
.hljs-type,
.hljs-attr,
.hljs-number,
.hljs-params {
  color: inherit;
}

.hljs-built_in,
.hljs-builtin-name {
  color: #900090;
}

.hljs-class .hljs-title {
  color: #0000ff;
}

.hljs-attribute,
.hljs-subst {
  color: #000;
}

.hljs-formula {
  background-color: #eee;
  font-style: italic;
}

.hljs-addition {
  background-color: #baeeba;
}

.hljs-deletion {
  background-color: #ffc8bd;
}

.hljs-selector-id,
.hljs-selector-class {
  color: #9b703f;
}

.hljs-doctag,
.hljs-strong {
  font-weight: bold;
}

.hljs-emphasis {
  font-style: italic;
}

.hljs-ln-numbers {
  display: table-cell;
  border-right: 2px solid #aaa;
  text-align: right;
  padding-left: 5px !important;
  padding-right: 5px !important;
  background-color: #e0e0e0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu,
    "Helvetica Neue", Helvetica, sans-serif;
}
.hljs-ln-code {
  display: table-cell;
  padding-left: 10px !important;
}

.catsoop-code-showhide {
  margin-bottom: 0px;
  padding-bottom: 0px;
}

.catsoop-code-showhide + pre {
  margin-top: 0px;
}

.catsoop-code-showhide[aria-pressed="false"] + pre .hljs-ln-numbers {
  display: none;
}

.catsoop-code-display {
  display: table;
}

.catsoop-code-line {
  display: table-row;
}

/* clip technique for screenreader-only content*/

.screenreader-only-clip {
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  padding: 0 !important;
  border: 0 !important;
  white-space: nowrap !important;
  clip: rect(1px 1px 1px 1px) !important; /* IE6, IE7 */
  clip: rect(1px, 1px, 1px, 1px) !important;
  clip-path: inset(50%) !important;
}

/* Small Screens */
@media screen and (max-width: 900px) {
  main {
    padding-top: 0px;
  }
  .cs_navigation {
    text-align: left;
  }
  .cs_nav_separator::before {
    content: "\a";
    white-space: pre;
  }
  .cs_top_navigation,
  .cs_bottom_navigation {
    margin-top: 0px;
    list-style: none;
  }
  .cs_top_navigation li,
  .cs_bottom_navigation li {
    display: block;
  }

  .cs_top_navigation li:before,
  .cs_bottom_navigation li:before {
    padding: 8px;
    content: ">";
  }
  .nav-container {
    max-width: 100% !important;
    min-width: 100% !important;
    -ms-flex-preferred-size: 100%;
    flex-basis: 100%;
  }
  .nav-container a {
    display: none;
  }
  .nav-container div:first-child > a {
    display: block;
  }
  .nav-container div:not(:first-child) {
    display: none;
  }
  .nav-container a.icon {
    float: right;
    display: block;
  }
  .cs_content {
    max-width: 100% !important;
    min-width: 100% !important;
    -ms-flex-preferred-size: 100%;
    flex-basis: 100%;
  }
  header {
    position: relative;
  }
  header.responsive .nav-container {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
  }
  header.responsive {
    height: auto;
  }
  header.responsive .nav-container div.cs_header_text {
    -ms-flex-item-align: center;
    -ms-grid-row-align: center;
    align-self: center;
  }
  header.responsive .nav-container a {
    display: block;
    margin-bottom: 10px;
  }
  header.responsive .dropdown {
    display: block;
    width: 100%;
    margin-left: 0;
    margin-right: 0;
    padding: 0px;
    margin-bottom: 10px;
  }
  header.responsive .dropbtn {
    display: block;
    padding: 0px;
  }
  header.responsive .dropdown:hover .dropdown-content {
    position: relative;
    width: 100%;
    border-radius: 0;
    margin-left: 0px;
    margin-right: 0px;
  }
  header.responsive .dropdown-content a {
    border-radius: 0px;
    margin-left: 0px;
    margin-right: 0px;
  }
  header.responsive a.icon {
    position: absolute;
    top: 1.25em;
    right: 0;
  }
}
/* Print Styles */
@media print {
  body * {
    visibility: hidden;
  }
  .cs_content * {
    visibility: visible;
  }
  .cs_content {
    visibility: visible;
    background-color: white;
    position: absolute;
    left: 0px;
    top: 0px;
  }
  .pagebreak {
    page-break-after: always;
  }
  .noprint {
    display: none;
  }
  .printonly {
    display: inline;
    visibility: visible;
  }
  [id^="queue_"] {
    display: none;
  }
  .question {
    page-break-inside: avoid;
  }
  [id$="_message"] {
    display: none;
  }
  [name="cs_footnotes"] {
    page-break-before: always;
  }
}
