/* WebHelp frame around the topics; the topics keep their own styles.css */

:root {
  --wh-header-height: 40px;
  --wh-side-width: 300px;
  --wh-header-bg: #1b3f6e;
  --wh-header-fg: #ffffff;
  --wh-side-bg: #f5f7fa;
  --wh-border: #d5dbe3;
  --wh-text: #1f2328;
  --wh-muted: #5a6470;
  --wh-accent: #1f5fa8;
  --wh-hover: #e5ebf2;
  --wh-current: #d6e4f5;
  --wh-mark: #fff0a0;
  --wh-shadow: rgba(0, 0, 0, 0.2);
}

/* Dark theme: set on <html> by the script injected into every topic, before the topic is drawn,
   and by the theme button. A topic's stylesheet changes its own colors for it with
   html[data-wh-theme="dark"] selectors */

html[data-wh-theme="dark"] {
  color-scheme: dark;
  --wh-header-bg: #172a42;
  --wh-header-fg: #e6edf3;
  --wh-side-bg: #181b20;
  --wh-border: #363c45;
  --wh-text: #d4d9df;
  --wh-muted: #8f98a3;
  --wh-accent: #6cb6ff;
  --wh-hover: #262c34;
  --wh-current: #1f3a5c;
  --wh-mark: #725b00;
  --wh-shadow: rgba(0, 0, 0, 0.6);
}

/* The topic's colors in the dark theme where its stylesheet sets none: in :where() these rules have
   no specificity, so any rule of the topic wins */
:where(html[data-wh-theme="dark"] body) {
  background-color: #1f2329;
  color: #d4d9df;
}

:where(html[data-wh-theme="dark"] a:link) {
  color: #6cb6ff;
}

:where(html[data-wh-theme="dark"] a:visited) {
  color: #c4a5ff;
}

/* Until webhelp.js has swapped the images for their dark versions */
html.wh-theme-pending img {
  visibility: hidden;
}

html {
  scroll-padding-top: calc(var(--wh-header-height) + 12px);
}

body {
  margin: calc(var(--wh-header-height) + 8px) 24px 24px calc(var(--wh-side-width) + 24px);
}

html.wh-side-hidden body {
  margin-left: 24px;
}

mark.wh-hl {
  background-color: var(--wh-mark);
  color: inherit;
}

/* Header */

#wh-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  height: var(--wh-header-height);
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 12px 0 4px;
  background-color: var(--wh-header-bg);
  color: var(--wh-header-fg);
  font: 14px "Segoe UI", Calibri, sans-serif;
}

#wh-header a,
#wh-header .wh-nav {
  color: var(--wh-header-fg);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 4px;
  white-space: nowrap;
}

#wh-header a:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

#wh-header .wh-title {
  font-size: 16px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
}

#wh-header .wh-disabled {
  opacity: 0.4;
}

#wh-header .wh-prev::before {
  content: "\2039\00a0";
}

#wh-header .wh-next::after {
  content: "\00a0\203a";
}

#wh-header .wh-links {
  display: flex;
  margin-left: 8px;
  padding-left: 8px;
  border-left: 1px solid rgba(255, 255, 255, 0.3);
}

.wh-spacer {
  flex: 1;
}

.wh-toggle,
.wh-theme {
  flex: none;
  width: 36px;
  height: 32px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}

.wh-toggle::before {
  content: "\2630";
}

.wh-toggle:hover,
.wh-theme:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

/* The theme the button switches to: a moon, a sun in the dark theme */
.wh-theme::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 18px;
  vertical-align: middle;
  background-color: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M21 12.8A9 9 0 1 1 11.2 3a7 7 0 0 0 9.8 9.8z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M21 12.8A9 9 0 1 1 11.2 3a7 7 0 0 0 9.8 9.8z'/%3E%3C/svg%3E") center / contain no-repeat;
}

html[data-wh-theme="dark"] .wh-theme::before {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' stroke='black' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='4'/%3E%3Cpath d='M12 2v2M12 20v2M2 12h2M20 12h2M4.9 4.9l1.4 1.4M17.7 17.7l1.4 1.4M4.9 19.1l1.4-1.4M17.7 6.3l1.4-1.4'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' stroke='black' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='4'/%3E%3Cpath d='M12 2v2M12 20v2M2 12h2M20 12h2M4.9 4.9l1.4 1.4M17.7 17.7l1.4 1.4M4.9 19.1l1.4-1.4M17.7 6.3l1.4-1.4'/%3E%3C/svg%3E");
}

/* Sidebar */

#wh-side {
  position: fixed;
  top: var(--wh-header-height);
  bottom: 0;
  left: 0;
  z-index: 10;
  width: var(--wh-side-width);
  display: flex;
  flex-direction: column;
  background-color: var(--wh-side-bg);
  border-right: 1px solid var(--wh-border);
  color: var(--wh-text);
  font: 13px "Segoe UI", Calibri, sans-serif;
}

html.wh-side-hidden #wh-side {
  display: none;
}

.wh-tabs {
  display: flex;
  flex: none;
  border-bottom: 1px solid var(--wh-border);
}

.wh-tabs button {
  flex: 1;
  padding: 8px 4px 6px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--wh-muted);
  font: inherit;
  cursor: pointer;
}

.wh-tabs button:hover {
  color: var(--wh-text);
}

.wh-tabs button[aria-selected="true"] {
  border-bottom-color: var(--wh-accent);
  color: var(--wh-text);
  font-weight: 600;
}

.wh-panel {
  flex: 1;
  overflow: auto;
  padding: 6px 6px 16px;
}

.wh-panel[hidden] {
  display: none;
}

#wh-side a {
  color: var(--wh-text);
  text-decoration: none;
}

#wh-side a:hover {
  text-decoration: underline;
}

#wh-side ul,
#wh-side ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

#wh-side mark {
  background-color: var(--wh-mark);
  color: inherit;
}

.wh-field {
  position: sticky;
  top: -6px;
  margin: -6px -6px 6px;
  padding: 6px;
  background-color: var(--wh-side-bg);
}

.wh-field input {
  box-sizing: border-box;
  width: 100%;
  padding: 5px 8px;
  border: 1px solid var(--wh-border);
  border-radius: 4px;
  font: inherit;
}

.wh-field input:focus {
  outline: 2px solid var(--wh-accent);
  outline-offset: -1px;
}

.wh-empty,
.wh-count {
  margin: 8px 4px;
  color: var(--wh-muted);
}

/* Contents */

.wh-toc ul ul {
  display: none;
}

/* Needs the id to win over the #wh-side list reset */
#wh-side .wh-toc ul ul {
  padding-left: 18px;
}

.wh-toc li.wh-open > ul {
  display: block;
}

.wh-row {
  display: flex;
  align-items: flex-start;
}

.wh-twisty {
  flex: none;
  width: 18px;
  height: 22px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--wh-muted);
  cursor: pointer;
}

button.wh-twisty::before {
  content: "\25b8";
  display: inline-block;
  transition: transform 0.1s;
}

li.wh-open > .wh-row > button.wh-twisty::before {
  transform: rotate(90deg);
}

.wh-row a,
.wh-row .wh-book {
  flex: 1;
  padding: 3px 6px;
  border-radius: 4px;
}

.wh-row .wh-book {
  cursor: pointer;
}

#wh-side .wh-row a:hover {
  background-color: var(--wh-hover);
  text-decoration: none;
}

#wh-side .wh-current {
  background-color: var(--wh-current);
  font-weight: 600;
}

/* Index and search results */

.wh-index > li {
  padding: 2px 4px;
}

#wh-side .wh-index li ul {
  padding-left: 14px;
}

.wh-index > li > span {
  color: var(--wh-muted);
}

.wh-results li {
  padding: 6px 4px;
  border-bottom: 1px solid var(--wh-border);
}

.wh-results li > a {
  font-weight: 600;
}

#wh-side .wh-results li > a.wh-current {
  background: none;
  color: var(--wh-accent);
}

.wh-results p {
  margin: 2px 0 0;
  color: var(--wh-muted);
}

/* Narrow windows: the sidebar opens over the topic. webhelp.js sets wh-narrow, counting the
   help's own zoom, which a media query can't; that zoom also scales vw, hence the 85% */

@media screen {
  html.wh-narrow body {
    margin-left: 16px;
    margin-right: 16px;
  }

  html.wh-narrow #wh-side {
    width: min(var(--wh-side-width), 85%);
    box-shadow: 4px 0 16px var(--wh-shadow);
  }

  html.wh-narrow #wh-header .wh-links {
    display: none;
  }
}

@media print {
  html {
    zoom: 1 !important;
  }

  #wh-header,
  #wh-side {
    display: none;
  }

  body {
    margin: 0;
  }
}