/*!
 * Start Bootstrap - Simple Sidebar (https://startbootstrap.com/template-overviews/simple-sidebar)
 * Copyright 2013-2017 Start Bootstrap
 * Licensed under MIT 

(https://github.com/BlackrockDigital/startbootstrap-simple-sidebar/blob/master/LICENSE)
 */
.sidebar-nav .active{
    text-decoration: none;
    color: #fff;
    background: rgba(255, 255, 255, 0.2);
}
#menu-toggle{
color:white;
position: absolute;
top: 0px;
left: 0.25px;
transform: rotate(90deg);
background: black;
}

body{padding-top: 62px;}

#wrapper {
  padding-left: 250px;
  -webkit-transition: all 0.5s ease;
  -moz-transition: all 0.5s ease;
  -o-transition: all 0.5s ease;
  transition: all 0.5s ease;
}

#wrapper.toggled {
  padding-left: 0px;
}


#sidebar-wrapper {
  
  
		    position: fixed;
  
                    left: 250px;
  
                    width: 250px;
  
                    height: 86.5%;
  
                    margin-left: -250px;
  
                    overflow-y: scroll;

  		    overflow-x: hidden;
                    background: #000;
  
		    -webkit-transition: all 0.5s ease;
  -moz-transition: all 0.5s ease;
  -o-transition: all 0.5s ease;
  transition: all 0.5s ease;
		
}


#wrapper.toggled #sidebar-wrapper {width: 0px;
}


#page-content-wrapper {
  width: auto;
  position: absolute;
  padding: 10px;
}


#wrapper.toggled #page-content-wrapper {
  position: absolute;
  margin-right: -250px;
  width:100%;
}




/* Sidebar Styles */


.sidebar-nav {
  position: absolute;
  top: 40;
  width: 250px;
  margin: 0;
  padding: 0;
  list-style: none;
}


.sidebar-nav li {
  text-indent: 8px;
  line-height: 24px;
}


.sidebar-nav li a {
  display: block;
  text-decoration: none;
  color: #999999;
padding-bottom: 5px;
}


.sidebar-nav li a:hover {
  text-decoration: none;
  color: #fff;
  background: rgba(255, 255, 255, 0.2);
}


.sidebar-nav li a:active, .sidebar-nav li a:focus {
  text-decoration: none;
}


.sidebar-nav>.sidebar-brand {
  height: 65px;
  font-size: 18px;
  line-height: 60px;
}

.sidebar-nav>.sidebar-brand a {
  color: #999999;
}


.sidebar-nav>.sidebar-brand a:hover {
  color: #fff;
  background: none;
}




.footer {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    background-color: black;
    color: white;
    text-align: center;
}

.row {
    margin-right: 0px;
    margin-left: 0px;
}

 @media(max-width: 768px){
 #wrapper{padding-left: 0px;}
 #wrapper #sidebar-wrapper {width: 0px;}
 
 #wrapper.toggled #sidebar-wrapper { width: 250px;}
 #wrapper.toggled { padding-left: 250px;}
}

/* Style The Dropdown Button */
.dropdown {
  position: relative;
  display: inline-block;
}
.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f9f9f9;
  min-width: 135px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 10000;
}

.dropdown-content a {
  color: black;
  padding: 5px 16px;
  text-decoration: none;
  display: block;
}
.dropdown-content a:hover {background-color: #f1f1f1}
.dropdown:hover .dropdown-content {
  display: block;
}
.text-white{color:#fff}
#myList li {
 
    border-bottom: 1px dotted #ddd;
}

ul.map_page
{
	list-style:none;
}
ul.map_page li
{
	float:left;
	padding-right:5px;
}


.back-to-top {
    cursor: pointer;
    position: fixed;
    bottom: 20px;
    right: 20px;
    display:none;
    z-index : 10000;
}
.btn-top{
color: #fff;
background-color: #12121373;
} 
.btn-top:focus{
color: #fff;
} 
.btn-top:hover{
color: #f8b81d;
}
.baiviet_cungnhom ul
{
	list-style-type: none;
	padding:2px;margin:2px;
}
.baiviet_cungnhom li a
{
	color: #0000FF;
}
.baiviet_group a
{
	font-size:1.2em;
}
.baiviet_group .stt
{
	width:25px;
	text-align:center;
}
.baiviet_group small
{
	color: #333333;
	font-size: 0.8em;
	font-style: italic;
}
a.nhombaiviet
{
	border: 1px dotted #0000FF;
	padding: 3px;
	margin:3px 3px 10px 3px;
}
blockquote p
{
	font-size: 1.7em;
	border-bottom-style: dotted;
	border-bottom-width: 1px;
	border-bottom-color: #FF0000;
}
.baiviet_item
{
	border-bottom-style: dotted;
	border-bottom-width: 1px;
	border-bottom-color: #FF0000;
	font-size: 1.1em;
	padding-left:0;
}
.title_ds_baiviet
{
	font-size: 1.2em;
}
.baiviet_lienquan li
{
	list-style-type: none;
}
.baiviet_lienquan li a
{
	font-size: 1.2em;
	font-weight: bold;
}

.khoahoc_item
{
	border-bottom-style: dotted;
	border-bottom-width: 1px;
	border-bottom-color: #FF0000;
	font-size: 1.3em;
	padding-left:0;
}
.khoahoc_item a:hover
{
	font-weight:bold; 
}

a ,.noidungchitiet a
{
	color: #0000CC;
}
a:hover, .noidungchitiet a:hover
{
	color: #FF0000;
}
.noidungchitiet a:hover
{
	font-weight: bold;
}
.noidungchitiet a.btn
{
	color: #FFFFFF;
}
h2 {
  font-size: 1.4em;
  border-left: 10px solid #990000; /* viền đỏ đậm hơn */
  padding: 10px 15px;
  border-bottom: 2px dotted #990000;
  font-weight: bold;
  background: linear-gradient(to right, #cc0000, #ff4d4d); /* nền đỏ gradient đậm */
  border-radius: 8px;
  color: #fff;
  box-shadow: 0 4px 12px rgba(153, 0, 0, 0.5); /* bóng đậm hơn */
  transition: all 0.3s ease-in-out;
  margin: 10px 0;
}

/* Hiệu ứng khi rê chuột */
h2:hover {
  background: linear-gradient(to right, #ff1a1a, #ff6666); /* nền sáng hơn khi hover */
  transform: scale(1.02); /* phóng to nhẹ */
  box-shadow: 0 6px 18px rgba(153, 0, 0, 0.6);
  cursor: pointer;
}
ul
{
	list-style-type: none;
}
#navbarSupportedContent i
{
	padding-right:3px;
}
#navbarSupportedContent a.mn
{
	padding: 4px;
	margin-right: 3px;
	background-color: #FFFFCC;
	background-image: linear-gradient(180deg, #CCCC00, #FFFF66);
	border-radius: 5px;
	color: #000000;
}
 
#navbarSupportedContent a:hover
{
	color: #0000FF;
}
#navbarSupportedContent li.active a
{
	color: #0000FF;
}
	  
.noidungchitiet h3
{
	font-size: 1.2em;
	border-left-style: solid;
	border-left-width: 6px;
	border-left-color: #0000FF;
	padding: 0 0 2px 10px;
	border-bottom-style: dotted;
	border-bottom-color: #0000FF;
	border-bottom-width: 1px;
	font-weight: bold;
	background-color: #FFCC00;
	 background-image: linear-gradient(180deg, #FFCC00, #FF9900);
	 
	 
  
	border-radius:0 10px 0 0;
	box-shadow: 3px 3px 5px lightblue;
}
.noidungchitiet h3:hover
{
	border-left-style: solid;
	border-left-width: 10px;
	border-left-color: #FF0000;
}
.noidungchitiet h4, .noidungchitiet h5, .noidungchitiet h6
{
	font-size: 1.1em;
	border-left-style: double;
	border-left-width: 3px;
	border-left-color: #3366FF;
	padding: 0 0 2px 10px;
	border-bottom-style: dotted;
	border-bottom-color: #3366FF;
	border-bottom-width: 1px;
	font-weight: bold;
	margin-left: 20px;
}
.noidungchitiet h4
{
	border-left-width: 13px;
	border-left-style: groove;
}

.noidungchitiet h4:hover,.noidungchitiet h5:hover,.noidungchitiet h6:hover
{
	border-left-style: solid;
	border-left-width: 10px;
	border-left-color: #FF0000;
}
.noidungchitiet h5
{
	border-left-width: 5px;
	border-left-color: #6666FF;
	padding: 0 0 2px 15px;
	margin-left: 30px;
}

.noidungchitiet h5:hover
{
	border-left-style: solid;
	border-left-width: 5px;
	border-left-color: #CC0000;
}
.noidungchitiet h6
{
	border-left-width: 4px;
	border-left-color: #666666;
	padding: 0 0 2px 15px;
	margin-left: 40px;
}

.noidungchitiet h6:hover
{
	border-left-style: solid;
	border-left-width: 4px;
	border-left-color: #FF33CC;
}

.noidungchitiet ol li
{
	font-size: 1.1em;
	border-left-style: double;
	border-left-width: 4px;
	border-left-color: #0000FF;
	padding: 0 0 2px 10px;
	border-bottom-style: dotted;
	border-bottom-color: #0000FF;
	border-bottom-width: 1px;
	font-weight: bold;
	margin-bottom: 2px;
}
.noidungchitiet ol li:hover
{
	border-left-style: solid;
	border-left-width: 5px;
	border-left-color: #FF0000;
}
.noidungchitiet ul li
{
	font-size: 1.1em;
	border-left-style: solid;
	border-left-width: 4px;
	border-left-color: #800000;
	padding: 0 0 2px 10px;
	border-bottom-style: dotted;
	border-bottom-color: #800000;
	border-bottom-width: 1px;
	font-weight: bold;
	margin-bottom: 2px;
}
.noidungchitiet ul li:hover
{
	border-left-style: solid;
	border-left-width: 5px;
	border-left-color: #FF0000;
	color: #000099;
}
.noidungchitiet ol li ul
{
	margin-left: -25px;
	
	
}
.noidungchitiet ol li ul li
{
	border-left-style: solid;
	border-left-width: 4px;
	border-left-color: #666699;
}
.noidungchitiet ol li ul li a
{
	font-weight: normal;
}
.btDatCauHoi
{
	cursor:pointer;
}
/*
.bgr_kh_gia
{
	background-image: linear-gradient(180deg, #CC0066, #FF9900);
	color: #FFFFFF;
}
.bgr_kh_slhv
{ background-image: linear-gradient(180deg, #009933, #00CC00);}
*/
pre {
	max-width: 100%;
	height:100%;
	overflow:auto;
}
pre span{ 

}
.hljs-string
{
  word-wrap: break-word;	
}
.hljs
{
	overflow:auto;
}
 #floating-text {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background-color: #f1f1f1;
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 5px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
            display: none; /* Ban đầu ẩn đoạn văn bản */
            z-index:9999;
            background-image: linear-gradient(180deg, #E1E100, #FFFF00);
}
.nendep01
{
	
            background-color: #f1f1f1;
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 5px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
            background-image: linear-gradient(180deg, #E1E100, #FFFF00);
	
}
.nendep01:hover {
  background-image: linear-gradient(180deg, #FF6600, #FFCC00); /* đổi màu nền gradient */
  box-shadow: 0 0 15px rgba(255, 102, 0, 0.5); /* đổ bóng cam cam */
}
.nendep02 {
    color: #fff; /* chữ trắng */
    padding: 10px;
    border: 1px solid #091af2; /* xanh đậm viền */
    border-radius: 5px;
    background-color: #091af2;
    background-image: linear-gradient(to right, #091af2, #4da6ff); /* trái xanh đậm -> phải xanh nhạt */
    box-shadow: 0 0 12px rgba(9, 26, 242, 0.4);
}

.nendep02:hover {
    background-image: linear-gradient(to right, #3366ff, #66ccff); /* hover: sáng hơn */
    box-shadow: 0 0 20px rgba(9, 26, 242, 0.7);
    color: #fff; /* giữ chữ trắng */
}
	
	
.footer a
{
	/* Các thuộc tính CSS ở đây sẽ chỉ áp dụng cho thẻ <a> thứ 2 */
	color: #FFFFFF;
	
}


@media (max-width: 1366px) 
{
	#navbarSupportedContent .icon
	{display:none;
		
	}
}


@media (max-width: 768px) {
	#page-content-wrapper {
	  padding: 4px;
	}
	#menu-toggle
	{
		padding:2px;
		font-size:0.9em;
		margin-left:-2px;
	}
	.container-fluid ol,.container-fluid ul
	{
		padding:2px;
	}
	.nav-item
	{
		border-bottom-style: dotted;
		border-bottom-width: 1px;
		border-bottom-color: #0000FF;
	}
	.nav-item a
	{
	font-size:2em;
	}
	
}
 @media (max-width: 455px) 
{
	#menu-toggle
	{
		padding:3px;
		font-size:0.9em;
	}
	#page-content-wrapper {
	  padding:3px;
	}
	.container-fluid p
	{
		text-align:justify;
	}
	.container-fluid ol,.container-fluid ul
	{
		padding:2px;
	}
	.nav-item
	{
		/*border-bottom-style: dotted;
		border-bottom-width: 1px;
		border-bottom-color: #0000FF; */
	}
	.nav-item a
	{
		font-size: 1.6em;
		
	}
	.baiviet_group
	{
		padding:0;
		margin:0;
		}
		
	#navbarSupportedContent
	{
		
		overflow:scroll;
		height:900px;
		overflow:scroll;
		}	
	.noidungchitiet img
	{
		width:370px;
		max-width:370px;
	}
	pre code.hljs
	{
		width:370px;
		
	}
}
 @media (max-width: 300px) 
{
	#navbarSupportedContent
	{
		background-color:Red;
		overflow:scroll;
			height:900px;
			overflow:scroll;
		}
	
	
	#menu-toggle
	{
		padding:3px;
		font-size:0.9em;
	}
	.container-fluid p
	{
		text-align:justify;
	}
	.container-fluid ol,.container-fluid ul
	{
		padding:5px;
		margin:5px;
	}
	#page-content-wrapper {
	  padding: 3px;
	}
	.nav-item
	{
		border-bottom-style: dotted;
		border-bottom-width: 1px;
		border-bottom-color: #0000FF;
	}
	.nav-item a
	{
	font-size:1.6em;
	}
	.baiviet_group
	{	
		margin-left:-10px;
	}
	
	.noidungchitiet img
	{
		width:250px;
		max-width:250px;
	}
	pre code.hljs
	{
		width:280px;
		overflow:hidden;
	}
	
}