/* SETTINGS */
:root {
  --main-font: "Helvetica", sans-serif; /* Font type for all */
  --main-font-line-height: 1.5;
  --main-font-size: 16px;

  --header-bg-color: #004F86;         /* Top header background */
  --header-ft-color: #fff;            /* Top header font */
  --sidebar-bg: #f1f1f1;              /* Left sidebar background */
  --highlight-light: #5e92f3;         /* Document links hover highlight */
  --highlight-dark: #003c8f;          /* Highlight */
  --search-focus-bg: #e0e0e0;         /* Background of (optional) search bar in top header */
  --font-color: #34393e;              /* Font of articles, sidebar TOC, etc. */
  --alert-normal-color: #1976d2;      /* Normal alert (Markdown blockquote with [!NOTE]) */
  --alert-normal-bg-color: #e3f2fd;   /* Normal alert header background */
  --alert-warning-color: #f57f17;     /* Warning alert (Markdown blockquote with [!WARNING]) */
  --alert-warning-bg-color: #fff3e0;  /* Warnin alert header background */
  --alert-error-color: #d32f2f;       /* Error alert (Markdown blockquote with [!CAUTION], [!CRITICAL] or [!IMPORTANT]) */
  --alert-error-bg-color: #ffebee;    /* Error alert header background */
  --card-box-shadow: 0 1px 2px 0 rgba(61, 65, 68, 0.06), 0 1px 3px 1px rgba(61, 65, 68, 0.16);
  --search-box-shadow: 0 1px 2px 0 rgba(41, 45, 48, 0.36), 0 1px 3px 1px rgba(41, 45, 48, 0.46);
  --transition: 350ms;
}

/* main body settings */
body {
  color: var(--font-color);
  font-family: var(--main-font);
  line-height: var(--main-font-line-height);
  font-size: var(--main-font-size);
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  word-wrap: break-word;
}

/* HIGHLIGHT COLOR */
button,
a {
  color: var(--highlight-dark);
  cursor: pointer;
}

button:hover,
button:focus,
a:hover,
a:focus {
  color: var(--highlight-light);
  text-decoration: none;
}

/* paging buttons in search result */
.pagination > .active > a,
.pagination > .active > a:focus,
.pagination > .active > a:hover,
.pagination > .active > span,
.pagination > .active > span:focus,
.pagination > .active > span:hover {
  background-color: var(--highlight-light);
  border-color: var(--highlight-light);
}

/* HEADINGS */
h1 {
  font-weight: 600;
  font-size: 32px;
}

h2 {
  font-weight: 600;
  font-size: 24px;
  line-height: 1.8;
}

h3 {
  font-weight: 600;
  font-size: 20px;
  line-height: 1.8;
}

h5 {
  font-size: 14px;
  padding: 10px 0px;
}

article h1,
article h2,
article h3,
article h4 {
  margin-top: 35px;
  margin-bottom: 15px;
}

article h4 {
  padding-bottom: 8px;
  border-bottom: 2px solid #ddd;
}

/* NAVBAR */
.navbar-brand > img {
  color: var(--header-ft-color);
}

.navbar {
  border: none;
  /* Both navbars use box-shadow */
  -webkit-box-shadow: var(--card-box-shadow);
  -moz-box-shadow: var(--card-box-shadow);
  box-shadow: var(--card-box-shadow);
}

.subnav {
  border-top: 1px solid #ddd;
  background-color: #fff;
}

.navbar-inverse {
  background-color: var(--header-bg-color);
  z-index: 100;
}

/* Navigation bar at the top */
.navbar-inverse .navbar-nav > li > a,
.navbar-inverse .navbar-text {
  color: var(--header-ft-color);
  background-color: var(--header-bg-color);
  border-bottom: 3px solid transparent;
  padding-bottom: 12px;
  transition: 350ms;
}

.navbar-inverse .navbar-nav > li > a:focus,
.navbar-inverse .navbar-nav > li > a:hover {
  color: var(--header-ft-color);
  background-color: var(--header-bg-color);
  border-bottom: 3px solid white;
}

.navbar-inverse .navbar-nav > .active > a,
.navbar-inverse .navbar-nav > .active > a:focus,
.navbar-inverse .navbar-nav > .active > a:hover {
  color: var(--header-ft-color);
  background-color: var(--header-bg-color);
  border-bottom: 3px solid white;
}

/* search box in top header */
.navbar-form .form-control {
  border: 0;
  border-radius: 4px;
  box-shadow: var(--search-box-shadow);
  transition:var(--transition);
}

.navbar-form .form-control:hover {
  background-color: var(--search-focus-bg);
}

/* NAVBAR TOGGLED (small screens) */
.navbar-inverse .navbar-collapse, .navbar-inverse .navbar-form {
  border: none;
}
.navbar-inverse .navbar-toggle {
  box-shadow: var(--card-box-shadow);
  border: none;
}

.navbar-inverse .navbar-toggle:focus,
.navbar-inverse .navbar-toggle:hover {
  background-color: var(--highlight-dark);
}

/* LEFT SIDEBAR */
/* Table of Contents */
.toc .nav > li.active > a {
  color: var(--highlight-dark);
}

.toc .nav > li.active > a:hover,
.toc .nav > li.active > a:focus {
  color: var(--highlight-light);
}

/* TOC: top level entries */
.toc .level1 > li {
  font-weight: 400;
}

/* TOC: link */
.toc .nav > li > a {
  color: var(--font-color);
}

/* TOC filter box */
.sidefilter {
  background-color: #fff;
  border-left: none;
  border-right: none;
}

.toc-filter {
  padding: 5px;
  margin: 0;
  box-shadow: var(--card-box-shadow);
  transition:var(--transition);
}

.toc-filter:hover {
  background-color: var(--search-focus-bg);
}

.toc-filter > input {
  border: none;
  background-color: inherit;
  transition: inherit;
}

.toc-filter > .filter-icon {
  display: none;
}

.sidetoc > .toc {
  background-color: var(--sidebar-bg);
  overflow-x: hidden;
}

.sidetoc {
  background-color: var(--sidebar-bg);
  border: none;
}

/* ALERTS */
.alert {
  padding: 0px 0px 5px 0px;
  color: inherit;
  background-color: inherit;
  border: none;
  box-shadow: var(--card-box-shadow);
}

.alert > p {
  margin-bottom: 0;
  padding: 5px 10px;
}

.alert > ul {
  margin-bottom: 0;
  padding: 5px 40px;
}

.alert > h5 {
  padding: 10px 15px;
  margin-top: 0;
  text-transform: uppercase;
  font-weight: bold;
  border-radius: 4px 4px 0 0;
}

/* Alert for [!NOTE], [!INFO] */
.alert-info > h5 {
  color: var(--alert-normal-color);
  border-bottom: 4px solid var(--alert-normal-color);
  background-color: var(--alert-normal-bg-color);
}

/* Alert for [!WARNING] */
.alert-warning > h5 {
  color: var(--alert-warning-color);
  border-bottom: 4px solid var(--alert-warning-color);
  background-color: var(--alert-warning-bg-color);
}

/* Alert for [!ERROR], [!CAUTION], [!CRITICAL] */
.alert-danger > h5 {
  color: var(--alert-error-color);
  border-bottom: 4px solid var(--alert-error-color);
  background-color: var(--alert-error-bg-color);
}

/* CODE HIGHLIGHT */
pre {
  padding: 9.5px;
  margin: 0 0 10px;
  font-size: 13px;
  word-break: break-all;
  word-wrap: break-word;
  background-color: #fffaef;
  border-radius: 4px;
  border: none;
  box-shadow: var(--card-box-shadow);
}

/* STYLE FOR IMAGES */
.article .small-image {
  margin-top: 15px;
  box-shadow: var(--card-box-shadow);
  max-width: 350px;
}

.article .medium-image {
  margin-top: 15px;
  box-shadow: var(--card-box-shadow);
  max-width: 550px;
}

.article .large-image {
  margin-top: 15px;
  box-shadow: var(--card-box-shadow);
  max-width: 700px;
}