:root {
  --primary-color: #007c99;
  --primary-light: #ebf6f7;
  --primary-medium: #a7d4de;
  --secondary-color: #931813;
  --text-color: #5f5f5f;
  --bg-color: #ffffff;
  --gradient-top: #095269;
  --gradient-bottom: #007c99;
  --top-color: var(--primary-color);
  --top-bg: var(--primary-light);
  --top-hover: var(--secondary-color);
  --top-border: var(--primary-medium);
  --messages-info: #007c99;
  --messages-info-light: #ebf6f7;
  --messages-warning: #b1a400;
  --messages-warning-light: #fcfacd;
  --messages-error: #d83030;
  --messages-error-light: #ffe9e3;
  --syntax-base1: #2a3236;
  --syntax-base2: #8c878e;
  --syntax-base3: #b2adb4;
  --syntax-base4: #bddcee;
  --syntax-base5: #e8e8e8;
  --syntax-wheel1: #e28e93;
  --syntax-wheel2: #ef9725;
  --syntax-wheel3: #ffc66d;
  --syntax-wheel4: #7fb971;
  --syntax-wheel5: #4dbed4;
  --body-font: "Lato", sans-serif;
  --header-font: "Lato", sans-serif;
  --code-font: "Fira Mono", monospace;
  --body-font-size: 15px;
  --code-font-size: 14px;
  --small-font-size: 12px;
  --title-font-size: 34px;
  --header2-font-size: 28px;
  --header3-font-size: 20px;
  --header4-font-size: 15px;
  --block-spacing: 10px;
  --line-height: 1.5;
  --content-width: 860px;
  --nav-width: 275px;
  --top-bar-height: 50px;
}

*, :after, :before {
  box-sizing: border-box;
}

body {
  font-family: var(--body-font);
  color: var(--text-color);
  background-color: var(--bg-color);
  font-size: var(--body-font-size);
  line-height: var(--line-height);
  position: relative;
  padding-bottom: 40px;
  margin-top: 0;
}

#container {
  position: fixed;
  top: var(--top-bar-height);
  left: 0;
  height: calc(100% - var(--top-bar-height));
  width: 100%;
  overflow-y: auto;
}

main.content {
  display: block;
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  min-height: 100vh;
  padding: 15px 15px 45px;
  margin-bottom: 70px;
}

@media (min-width: 576px) {
  main.content {
    padding: 15px 30px;
  }
}

@media (min-width: 1020px) {
  #container {
    left: var(--nav-width) !important;
    width: calc(100% - var(--nav-width));
    transition: left .25s ease-out;
  }
  main.content {
    max-width: var(--content-width);
    padding: 15px 45px;
  }
}

@media (min-width: 1450px) {
  main.content {
    max-width: 1125px;
    padding: 15px 310px 15px 45px;
  }
}



p, main > div {
  margin: 0 0 var(--block-spacing);
}

/* lists =========================================== */

section > ul li {
  margin-bottom: 25px;
  line-height: var(--line-height);
}

ul, ol {
  padding: 0;
  margin: 0 0 var(--block-spacing) 25px;
}

ul li {
  margin-bottom: calc(var(--block-spacing) / 2);
  line-height: var(--line-height);
}

li ul {
  margin-bottom: var(--block-spacing);
  margin-top: 0;
}

/* headers =========================================== */

section {
  padding-top: 30px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--header-font);
  color: var(--secondary-color);
  margin: var(--block-spacing) 0;
  line-height: 20px; /* TODO */
}

h1, h2, h3 {
  line-height: 40px; /* TODO */
}

h1 {
  font-size: var(--title-font-size);
}
h1.title {
  padding-top: calc(40px + var(--top-bar-height));
  padding-bottom: 10px;
  margin-bottom: calc(var(--block-spacing) * 3);
  border-bottom: 1px solid var(--primary-medium);
}
h2 {
  font-size: var(--header2-font-size);
  margin-top: calc(var(--block-spacing) * 3.5);
  margin-bottom: calc(var(--block-spacing) * 1.2);
}
h3 {
  font-size: var(--header3-font-size);
  margin-top: calc(var(--block-spacing) * 1.6);
  margin-bottom: calc(var(--block-spacing) / 2);
}
h4, h5, h6 {
  font-size: var(--header4-font-size);
  margin-top: calc(var(--block-spacing) * 1.6);
  margin-bottom: calc(var(--block-spacing) / 2);
}

/* links =========================================== */

a {
  color: var(--secondary-color);
  font-weight: bold;
  text-decoration: none;
}
a:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

/* images =========================================== */

.default-image-block {
  text-align: center;
}

.default-image-block img {
  width: 90%;
  height: auto;
}

img.default-image-span {
  height: 1em;
  width: auto;
}

/* anchor =========================================== */

a.anchor-link {
  visibility: hidden;
  position: absolute;
  display: inline-block;
  width: 1.4em;
  margin-top: -3px;
  text-align: right;
  text-decoration: none;
}
a.anchor-link.left {
  margin-left: -1.4em;
  padding-right: 0.5em;
}
a.anchor-link.right {
  padding-left: 0.5em;
  text-align: left;
}

h1:hover > a.anchor-link,
h2:hover > a.anchor-link,
h3:hover > a.anchor-link,
h4:hover > a.anchor-link,
h5:hover > a.anchor-link,
h6:hover > a.anchor-link {
  visibility: visible;
  text-decoration: none;
}

.anchor-link .icofont-laika {
  font-size: 0.75em;
  color: var(--primary-color);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* callout =========================================== */

.callout {
  margin: calc(var(--block-spacing) * 2);
  padding: 4px 10px;
  border-radius: 5px;
}
.callout .icofont-laika {
  display: block;
  padding: 5px 0;
}

.callout.warning {
  background-color: var(--messages-warning-light);
  border-left: 7px solid var(--messages-warning);
}
.callout.warning .icofont-laika {
  color: var(--messages-warning);
}

.callout.info {
  background-color: var(--messages-info-light);
  border-left: 7px solid var(--messages-info);
}
.callout.info .icofont-laika {
  color: var(--messages-info);
}

.callout.error {
  background-color: var(--messages-error-light);
  border-left: 7px solid var(--messages-error);
}
.callout.error .icofont-laika {
  color: var(--messages-error);
}

/* inline runtime messages  ======================== */

.inline {
  border-radius: 5px;
  padding: 0 5px 2px 5px
}
.inline code {
  padding-left: 10px;
}
.inline.info {
  background-color: var(--messages-info-light);
  border: 1px solid var(--messages-info);
}
.inline.warning {
  background-color: var(--messages-warning-light);
  border: 1px solid var(--messages-warning);
}
.inline.error {
  background-color: var(--messages-error-light);
  border: 1px solid var(--messages-error);
}

/* tabs =========================================== */

.tab-container {
  margin-top: calc(var(--block-spacing) * 1.8);
  margin-bottom: calc(var(--block-spacing) * 1.8);
}
ul.tab-group {
  list-style: none;
  margin: 0;
  padding: 0;
}
li.tab {
  display: inline-block;
  border: 1px solid var(--primary-medium);
  border-radius: 5px 5px 0 0;
  background-color: var(--primary-light);
  padding: 2px 5px;
  margin-bottom: -1px !important;
  color: var(--primary-color);
}
li.tab a, li.tab a:hover {
  color: var(--primary-color);
  text-decoration: none;
}
li.tab.active a {
  cursor: default;
}
li.tab.active {
  background-color: var(--bg-color);
  border-bottom-color: transparent;
}
.tab-content {
  display: none;
  padding: 12px 5px 5px;
  border: 1px solid var(--primary-medium);
  border-radius: 0 5px 5px 5px;
  margin-top: 0 !important;
}
.tab-content.active {
  display: block;
}

/* tables =========================================== */

table {
  margin: calc(var(--block-spacing) * 2) 0;
  border: 1px solid var(--primary-medium);
  border-collapse: collapse;
}
thead > tr {
  border-bottom: 1px solid var(--primary-medium);
}
td, th {
  padding: 5px 8px;
}
tbody > tr:nth-child(odd) {
  background: var(--primary-light);
}

/* svg icon ===================================== */

.row a {
  line-height: 1.75em;
}

.svg-link {
  position: relative;
  top: 4px;
}

.svg-icon {
  height: 1.7em;
  width: 1.7em;
}

.svg-shape {
  fill: var(--primary-color);
}

a:hover .svg-shape {
  fill: var(--secondary-color);
}

/* other =========================================== */

blockquote {
  margin: calc(var(--block-spacing) * 2);
  font-style: italic;
}

p.title {
  font-weight: bold;
}
.downloads {
  display: flex;
  justify-content: space-evenly;
  margin: 30px 30px var(--block-spacing) 0;
}
.downloads img {
  width: 245px;
  height: auto;
  display: inline-block;
}

.keep-together {
  page-break-inside: avoid;
}



/* top navigation bar =========================================== */

header {
  display: flex;
  justify-content: space-between;
  background-color: var(--top-bg);
  margin: 0;
  position: fixed;
  top: 0;
  left: 0;
  height: var(--top-bar-height);
  z-index: 2000;
  width: 100%;
  align-items: center;
  padding: 0 45px 0 20px;
  border-bottom: 1px solid var(--top-border);
}
header a, nav .row a {
  color: var(--top-color);
}
header a:hover, nav .row a:hover {
  text-decoration: none;
  cursor: pointer;
  color: var(--top-hover)
}
header img, nav .row img {
  height: 80%;
  width: auto;
}
header .row a, nav .row a {
  margin: 0 0 0 20px;
}
header .row.links {
  display: none;
}
nav .row {
  margin: 10px 15px 3px 25px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--top-border);
}

#nav-icon {
  display: inline-block;
}
@media (min-width: 1020px) {
  #nav-icon {
    display: none;
  }
}
@media (min-width: 500px) {
  header .row.links {
    display: block;
  }
  nav .row {
    display: none;
  }
}

.text-link {
  position: relative;
  bottom: 2px;
}

.button-link {
  position: relative;
  bottom: 2px;
  display: inline-block;
  border-radius: 9px;
  padding: 0 7px;
  background-color: var(--top-color);
  color: var(--top-bg);
  font-size: 0.9em;
}
.button-link:hover {
  background-color: var(--top-hover);
  color: var(--top-bg);
}

/* version dropdown ============================================== */

.drop-down-toggle:after {
  display: inline-block;
  width: 0;
  height: 0;
  content: "";
  margin-left: 0.2em;
  margin-bottom: 0.1em;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid var(--primary-color);
}

.drop-down-toggle:hover:after {
  border-top: 8px solid var(--secondary-color);
}

#version-menu-container {
  position: relative;
  display: inline-block;
}

#version-menu {
  display: none;
  position: absolute;
  z-index: 5000;
  left: 20px;
  top: calc(var(--top-bar-height) - 10px);
  background-color: white;
  border: 1px solid var(--primary-medium);
  border-radius: 5px;
  white-space: nowrap;
}

#version-menu ul.nav-list {
  padding-top: 5px;
  padding-bottom: 5px;
  margin: 0;
}
#version-menu .nav-list li {
  margin-left: 0;
  margin-bottom: 2px;
}
#version-menu .nav-list li a {
  margin: 0;
  line-height: 1.2;
}
#version-menu.versions-open {
  display: block;
}
.left-column {
  display: inline-block;
  width: 3.5em;
}
.version-label {
  border-radius: 3px;
  padding: 1px 3px;
  color: white;
  font-size: 0.8em;
  margin-right: 1em;
}
.version-label.eol {
  background-color: gray;
}
.version-label.stable {
  background-color: green;
}
.version-label.dev, .version-label.development, .version-label.milestone {
  background-color: yellow;
  color: black;
}

/* left navigation bar =========================================== */

#sidebar {
  position: fixed;
  background-color: var(--primary-light);
  width: var(--nav-width);
  margin-left: calc(var(--nav-width) * -1);
  left: 0;
  z-index: 1000;
  height: calc(100% - var(--top-bar-height));
  top: var(--top-bar-height);
  overflow-x: hidden;
  overflow-y: auto;
  transition: margin .25s ease-out;
}

@media (min-width: 1020px) {
  #sidebar {
    margin-left: 0;
    box-shadow: -2px 0 8px rgba(0, 0, 0, 0.15);
  }
}

#sidebar.nav-open {
  margin-left: 0 !important;
}

#sidebar ul {
  margin-bottom: 15px;
}

.nav-list li.nav-header {
  font-size: var(--body-font-size);
  color: var(--secondary-color);
  display: block;
  padding: 3px 15px;
  font-weight: bold;
  text-transform: uppercase;
  margin-left: -5px;
}

/* right page navigation =========================================== */

#page-nav .icofont-laika {
  font-size: 1.2em;
  margin-right: 0.6em;
}

ul.nav-list, #page-nav ul {
  list-style: none;
}

#page-nav ul {
  margin: 12px;
}
#page-nav .level3 {
  margin-left: 18px;
  font-size: var(--code-font-size);
}
#page-nav a {
  display: block;
  color: var(--primary-color);
  font-weight: normal;
}
#page-nav .header, #page-nav .footer {
  padding: 5px 12px;
  margin: 0;
}
#page-nav .header {
  background-color: var(--primary-color);
}
#page-nav .footer {
  border-top: 1px solid var(--primary-medium);
}

ul.nav-list {
  padding-top: 10px;
  padding-bottom: 15px;
  margin: 0 0 0 15px;
}
#page-nav ul.nav-list {
  padding: 0;
  margin: 12px;
}
#page-nav .nav-list li {
  margin: 0 0 5px 0;
  line-height: 1.5;
}
#page-nav .nav-list .level1 {
  font-size: var(--body-font-size);
}
#page-nav .nav-list .level2 {
  margin-left: 18px;
  font-size: var(--code-font-size);
}
#page-nav .nav-list li a {
  padding: 0;
}
.nav-list li {
  margin-left: 10px;
  margin-bottom: 2px;
  line-height: 1.1;
  font-size: var(--body-font-size);
}

#page-nav li a:hover,
.nav-list li a:hover {
  background-color: rgba(0, 0, 0, 0.03);
  text-decoration: none;
}
.nav-list li a {
  display: block;
  padding: 3px 15px 4px 15px;
  color: var(--primary-color);
  font-weight: normal;
}
.nav-list .active a,
.nav-list .active a:hover,
#page-nav .header a,
#page-nav .header a:hover {
  color: var(--bg-color);
  background-color: var(--primary-color);
  text-decoration: none;
}
#page-nav .footer a,
#page-nav .footer a:hover {
  color: var(--primary-color);
  text-decoration: none;
}

.nav-list li + .nav-header {
  margin-top: 9px;
}

#page-nav {
  display: none;
  position: fixed;
  top: calc(45px + var(--top-bar-height));
  right: 45px;
  width: 250px;
  background-color: var(--primary-light);
  border-radius: 5px;
}

@media (min-width: 1450px) {
  #page-nav {
    display: inline-block;
  }
}

.icofont-laika {
  font-size: 1.75em;
}


pre {
  display: block;
  background-color: var(--syntax-base1);
  border-radius: 5px;
  padding: 12px 9px 9px 15px;
  margin: 0 0 var(--block-spacing);
  font-size: var(--code-font-size);
  line-height: 21px;
  word-break: break-all;
  word-wrap: break-word;
  white-space: pre-wrap;
}
code {
  font-family: var(--code-font);
  color: var(--primary-color);
  font-size: var(--code-font-size);
  font-weight: 500;
  white-space: nowrap;
  padding: 0 0.1em;
}
pre code {
  font-size: var(--code-font-size);
  color: var(--syntax-base5);
  background-color: transparent;
  padding: 0;
  border: 0;
  white-space: pre-wrap;
}

code .identifier {
  color: var(--syntax-base4);
}
code .tag-punctuation {
  color: var(--syntax-base3);
}
code .comment, code .xml-cdata, code .markup-quote {
  color: var(--syntax-base2);
}

code .substitution, code .xml-processing-instruction, code .markup-emphasized, code .annotation {
  color: var(--syntax-wheel1);
}
code .keyword, code .escape-sequence, code .markup-headline {
  color: var(--syntax-wheel2);
}
code .attribute-name, .markup-link-target, code .declaration-name {
  color: var(--syntax-wheel3);
}
code .number-literal, .string-literal, .literal-value, .boolean-literal, .char-literal, .symbol-literal, .regex-literal, .markup-link-text {
  color: var(--syntax-wheel4);
}
code .type-name, code .tag-name, code .xml-dtd-tag-name, code .markup-fence {
  color: var(--syntax-wheel5);
}



ul.toc, .toc ul {
  list-style: none;
}
.toc.nav-list li {
  line-height: 1.4;
}
.toc.nav-list a {
  font-weight: bold;
  color: var(--primary-color);
}
.toc.nav-list li.nav-header {
  font-size: var(--title-font-size);
  margin-bottom: 20px;
  margin-top: 36px;
  background: linear-gradient(180deg, rgba(0,0,0,0) 65%, var(--primary-light) 65%);
  color: var(--secondary-color);
  display: block;
  padding: 3px 15px;
  font-weight: bold;
  text-transform: uppercase;
  margin-left: -5px;
  line-height: 20px;
}
.toc.active {
  display: none;
}
.toc.level2 {
  font-size: var(--header2-font-size);
  margin-left: 10px;
  margin-top: 20px;
}
.toc.level2 a {
  color: var(--secondary-color);
}
.toc.level3 {
  font-size: var(--header3-font-size);
  margin-left: 25px;
}
.toc.level4 {
  font-size: var(--body-font-size);
  margin-left: 40px;
}
.toc.level3 a, .toc.level4 a {
  color: var(--primary-color);
}
p.toc {
  margin-bottom: 5px;
}