/* TOC Styles */
.toc-container {
  position: sticky;
  top: 20px;
  padding: 25px;
  background-color: #fff;
  border-radius: 8px;
  max-height: 99vh;
  overflow-y: auto;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}
html.dark .toc-container {
    background-color: #2e3237;
}

.toc-container h2 {
  font-size: 1.5rem;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #e9ecef;
  color: #495057;
}

/* Search Styles */
.toc-search-container {
  margin-bottom: 15px;
}

html[dir=ltr] .toc-search-container .input-group-text {
  background-color: #fff;
  border-right: none;
}
html[dir=rtl] .toc-search-container .input-group-text {
  background-color: #fff;
  border-left: none;
}



.toc-search-container .form-control:focus {
  border-color: #ced4da;
}

.toc-search-container .btn-outline-secondary {
  color: #6c757d;
  border-color: #e8e8e8;
}
html.dark .toc-search-container .btn-outline-secondary {
  color: #6c757d;
  border-color: #424242;
}

.toc-search-container .btn-outline-secondary:hover {
  background-color: #f8f9fa;
  color: #495057;
}

/* TOC Tree Styles */

.toc-tree {
  margin-top: 15px;
}

.toc-tree ul {
  list-style: none;
  margin-bottom: 0;
}
html[dir=ltr] .toc-tree ul {padding-left: 0;}
html[dir=rtl] .toc-tree ul {padding-right: 0;}

.toc-item {
  margin: 5px 0;
  position: relative;
}
html[dir=ltr] .toc-item {padding-left: 20px;}
html[dir=rtl] .toc-item {padding-right: 20px;}

.toc-item:first-child {
  margin-top: 0;
}

.toc-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  padding: 2px 0;
  transition: all 0.2s ease;
  font-size: 0.85rem;
  line-height: 1.8;
  /* white-space: nowrap; */
  overflow: hidden;
  text-overflow: ellipsis;
}

.toc-link:hover {
  text-decoration: underline;
}

.toc-link.active {
  font-weight: 600;
}

.toc-children {
  display: none;
  position: relative;
}
html[dir=ltr] .toc-children {padding-left: 20px;}
html[dir=rtl] .toc-children {padding-right: 20px;}

/* Indent lines */
.toc-children::before {
  content: "";
  position: absolute;
  top: 0;
  width: 1px;
  height: 100%;
  background-color: #adb5bd;
}
html[dir=ltr] .toc-children::before {left: 0;}
html[dir=rtl] .toc-children::before {right: 0;}

.toc-item {
  position: relative;
}

.toc-item::before {
  content: "";
  position: absolute;
  top: 15px;
  width: 20px;
  height: 1px;
  background-color: #adb5bd;
}
html[dir=ltr] .toc-item::before {left: 0;}
html[dir=rtl] .toc-item::before {right: 0;}

.toc-item:first-child::before {
  top: 12px;
}

.toc-children.expanded {
  display: block;
}

.toc-toggle {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  text-align: center;
  border: 1px solid #0d6efd;
  border-radius: 50%;
  font-size: 10px;
  color: white;
  background-color: #0d6efd;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}
html[dir=ltr] .toc-toggle { margin-right: 5px; margin-left: 2px; }
html[dir=rtl] .toc-toggle { margin-left: 5px; margin-right: 2px; }

.toc-toggle i {
  font-size: 8px;
}

/* First level items without toggle */
html[dir=ltr] .toc-tree > ul > li > .toc-link { margin-left: 5px; /*margin-left: -20px;*/}
html[dir=rtl] .toc-tree > ul > li > .toc-link { margin-right: 5px; }


/* Search result highlighting */
.toc-item.search-match > .toc-link {
  background-color: rgba(13, 110, 253, 0.1);
  border-radius: 3px;
  font-weight: 600;
}

.toc-item.search-hidden {
  display: none;
}

/* Mobile TOC Button */
.toc-mobile-btn {
  bottom: 10px;
  z-index: 1030;
}
html[dir=ltr] .toc-mobile-btn { right: 0px; }
html[dir=rtl] .toc-mobile-btn { left: 0px; }


html[dir=rtl] div#tocColumn { direction: ltr; }
html[dir=rtl] .toc-search-container.mb-3 { direction: rtl; }
html[dir=rtl] div#tableOfContents { direction: rtl; }
html[dir=rtl] div#tocNoResults { direction: rtl; }
html[dir=ltr] div#tocColumn { direction: rtl; }
html[dir=ltr] .toc-search-container.mb-3 { direction: ltr; }
html[dir=ltr] div#tableOfContents { direction: ltr; }
html[dir=ltr] div#tocNoResults { direction: ltr; }

/* Mobile TOC Column */
@media (max-width: 991.98px) {
	html.dark div#tocColumn {
		background-color: #2f3237;
	}
  .toc-column {
    position: fixed;
    top: 0;
    width: 85%;
    height: 100vh;
    z-index: 1040;
    background-color: white;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.15);
    overflow-y: auto;
    padding: 20px;
  }
  html[dir=ltr] .toc-column { left: -100%; transition: left 0.3s ease;}
  html[dir=rtl] .toc-column { right: -100%; transition: right 0.3s ease;}

  .toc-column.show {
	overflow: hidden;
	padding-left:0;
	padding-right:0;
	padding-top:0;
  }
  html[dir=ltr] .toc-column.show { left: 0;}
  html[dir=rtl] .toc-column.show { right: 0; }  

  .toc-overlay {
    position: fixed;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1035;
    display: none;
    backdrop-filter: blur(2px);
  }
  html[dir=ltr] .toc-overlay { left: 0;}
  html[dir=rtl] .toc-overlay { right: 0; }    

  .toc-overlay.show {
    display: block;
  }

  .toc-container {
    box-shadow: none;
    padding: 15px 15px;
  }
}