/* ====== MAIN-SECTION ====== */
.main-section {
	display: flex;
	justify-content: space-between;
	padding: 0px 60px 0 60px;
	height: calc(100vh - 70px);
	overflow: hidden;
	background-color: var(--color-beige);
}

.main-section section {
	padding: 10px;
}

.sidebar-list {
	flex: 0 0 27%;
	background-color: #fff;
	box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
	border-right: 1px solid var(--color-border2);
	position: sticky;
	top: 0;
	height: 100vh;
}

.sidebar-list .header-topic {
	display: flex;
	align-items: center;
	border-bottom: 1px solid #c3bdaf;
	margin-bottom: 20px;
}

.sidebar-list .header-topic h3 {
	padding: 0 0 10px 0;
	font-size: 20px;
	font-weight: 600;
	font-family: 'Roboto', sans-serif;
	color: var(--color-primary);
}

.sidebar-list .list-topic {
	flex: 1 1 0%;
	overflow-y: scroll;
	height: 400px;
	/*border-bottom: 1px solid var(--color-border2);*/
	margin-top: 10px;
}

.sidebar-list ul {
	display: block;
	list-style: none;
}

.sidebar-list ul li {
	height: 60px;
	margin-right: 10px;
	padding: 10px 10px;
	border-bottom: 1px solid var(--color-border2);
	list-style: none;
	position: relative;
	display: flex;
	align-items: center;
	border-radius: 5px;
}

.sidebar-list .list-topic .active li {
	background-color: var(--color-primary);
}

.sidebar-list .list-topic .active li a {
	color: var(--color-white);
}

.sidebar-list ul li:hover {
	background-color: var(--color-primary);
}

.sidebar-list ul li a {
	color: #000;
	font-size: 16px;
	font-weight: 400;
	align-items: center;
	text-decoration: none;
	transition: all 0.1s;
}

.sidebar-list ul li:hover a {
	color: var(--color-white);
}

.sidebar-list ul li a i {
	margin-right: 12px;
}

.main-content {
	flex: 0 0 75%;
	background-color: var(--color-white);
	overflow-y: scroll;
	margin-right: -50px;
	height: 100%;
}

/* ====== VOCALBULARY ====== */
.main-vocal-search {
	display: flex;
	flex-direction: column;
}

.main-vocal-search .div-search {
	display: flex;
	justify-content: flex-end;
	padding: 10px 10px;
}

.main-vocal-search .form-search {
	display: flex;
	width: 50%;
	border-radius: 5px;
	position: relative;
	border: solid 1px #dcd5d5;
}

.main-vocal-search .form-search input {
	width: 100%;
	border: none;
	padding: 15px;
	font-size: 15px;
	font-weight: 400;
	color: #000;
}

.main-vocal-search .form-search button {
	padding: 15px;
	border: none;
	border-radius: 5px;
	background-color: var(--color-bgmain);
	color: var(--color-white);
	cursor: pointer;
	transition: all 0.3s;
}

.main-vocal-search .form-search button:focus {
	outline: none;
}

.main-vocal-search .form-search button i {
	font-size: 16px;
}

.main-vocal-search .form-search button:hover {
	background-color: var(--color-primary);
}

.list-vocal {
	display: flex;
	flex-direction: column;
}

.vocal .vocal-detail {
	display: flex;
	padding: 10px;
	border-bottom: 1px solid var(--color-border2);
}

.vocal .vocal-detail .head-img {
	flex: 0 0 20%;
	display: flex;
	flex-direction: column;
	justify-content: first baseline;
}

.vocal .vocal-detail .head-img b {
	font-size: 20px;
	font-weight: 600;
	color: #000;
	margin-bottom: 1px;
}

.vocal .vocal-detail .head-img img {
	width: 150px;
	height: 150px;
}

.vocal .vocal-detail .vocal-content {
	flex: 0 0 80%;
	padding: 10px 20px;
	display: flex;
	flex-direction: column;
}

.vocal .vocal-detail .vocal-content p {
	font-size: 17px;
	font-weight: 600;
	color: #000;
	padding: 10px;
}

.vocal .vocal-detail .vocal-content .vidu {
	font-size: 17px;
	font-weight: 600;
	color: #000;
	padding: 10px;
}

.vocal .vocal-detail .vocal-content p span {
	font-size: 17px;
	font-weight: 400;
	font-style: normal;
}

.vocal .vocal-detail .vocal-content .vidu span {
	font-style: italic;
}

.vocal .vocal-detail .vocal-content audio {
	width: 100%;
	height: 40px;
	margin-top: 10px;
}

/* ====== GRAMMAR ====== */
.main-gramm-search {
	display: flex;
	flex-direction: column;
}

.main-gramm-search .div-search {
	display: flex;
	justify-content: flex-end;
	padding: 10px 10px;
}

.main-gramm-search .form-search {
	display: flex;
	width: 50%;
	border-radius: 5px;
	position: relative;
	border: solid 1px #dcd5d5;
}

.main-gramm-search .form-search input {
	width: 100%;
	border: none;
	padding: 15px;
	font-size: 15px;
	font-weight: 400;
	color: #000;
}

.main-gramm-search .form-search button {
	padding: 15px;
	border: none;
	border-radius: 5px;
	background-color: var(--color-bgmain);
	color: var(--color-white);
	cursor: pointer;
	transition: all 0.3s;
}

.main-gramm-search .form-search button:focus {
	outline: none;
}

.main-gramm-search .form-search button i {
	font-size: 16px;
}

.main-gramm-search .form-search button:hover {
	background-color: var(--color-primary);
}

.list-gramm {
	display: flex;
	flex-direction: column;
	padding: 10px;
}

.gramm .gramm-detail {
	display: flex;
	padding: 0 10px;
	/*border-bottom: 1px solid var(--color-border2);*/
}

/* ====== LISTENING READING - CARD PART ====== */
.main-content-card {
	width: 100%;
	padding: 20px 60px;
	display: inline-block;
	justify-content: center;
	height: auto;
	background-color: var(--color-bgsecond);
	overflow: visible;
}

.main-content-card .header-title {
	align-items: center;
	display: flex;
	justify-content: center;
}

.main-content-card .header-title h1 {
	font-size: 40px;
	font-weight: 600;
	color: var(--color-primary);
	font-family: monospace;
	border: none;
}

.main-content-card .cards {
	display: flex;
	gap: 20px;
	justify-content: center;
	padding: 20px;
}

.main-content-card .cards .card {
	display: block;
	flex: 0 0 25%;
	height: 380px;
	border-radius: 15px;
	box-shadow: 0 2px 2px rgba(0, 0, 0, 0.2);
	background-color: #fff;
	transition: all 0.2s;
	cursor: pointer;
	overflow: hidden;
}

.main-content-card .cards .card:hover {
	box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
	transform: translateY(-10px);
	transition: all 0.3s ease;
}

.main-content-card .cards .card .part-img {
	width: 100%;
	height: 37%;
	border-radius: 15px;
}

.main-content-card .cards .card img {
	width: 100%;
	height: 100%;
	border-radius: 15px;
}

.main-content-card .cards .card .part-title {
	padding: 10px 15px;
}

.main-content-card .cards .card .part-title h3 {
	font-size: 18px;
	font-weight: 600;
	color: var(--color-primary);
}

.main-content-card .cards .card .part-title h5 {
	font-size: 22px;
	font-weight: 700;
	color: #000;
	padding: 5px 0;
	font-family: Arial, Helvetica, sans-serif;
}

.main-content-card .cards .card .part-title p {
	font-size: 13px;
	color: #505050;
	font-weight: 400;
	text-align: justify;
}

/* ====== LISTENING-PART 1 AND 2 ====== */
.main-list-question {
	width: 100%;
	height: 100%;
	/*padding: 10px 0;*/
}

.question-detail {
	display: flex;
	flex-direction: column;
	justify-content: center;
	gap: 10px;
	border-bottom: solid 1px var(--color-border);
	/* border-radius: 10px;
	border: solid 1px #d4cccc;
	margin-bottom: 20px; */
	padding: 10px 20px;
}

.question-detail .ques-audio {
	display: flex;
	flex-direction: column;
	justify-content: center;
	/*margin-top: 20px;*/
}

.question-detail .ques-audio h3 {
	font-size: 20px;
	font-weight: 600;
	color: var(--color-primary);
	line-height: 1.3;
}

.question-detail .ques-audio audio {
	width: 100%;
	height: 50px;
	margin-top: 10px;
	color: #0b0a0a;
}

.question-detail .ques-photo {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	margin-top: 10px;
}

.question-detail .ques-photo img {
	width: 300px;
	height: 300px;
	border: solid 1px #747373;
}

.question-detail .main-answer {
	display: flex;
	flex-direction: column;
	justify-content: center;
}

.choose-ans {
	display: flex;
	flex-direction: column;
	justify-content: center;
}

.choose-ans div {
	display: flex;
	justify-content: first baseline;
	padding: 10px;
	align-items: center;
}

.choose-ans.part1 {
	padding: 0;
}

.choose-ans div input {
	margin-right: 7px;
	width: 20px;
	height: 20px;
	border: double 1px #eddfdf;
	fill: none;
}

.choose-ans div label {
	color: #505050;
	font-size: 16px;
}

.check-ans {
	padding: 5px 10px 10px 10px;
	border: solid 1px #eddfdf;
	width: 100%;
	height: auto;
	border-radius: 10px;
	margin-bottom: 10px;
}

.check-ans .ans-detail div {
	display: flex;
	align-items: center;
	padding: 5px 0;
}

.check-ans .ans-detail div h3 {
	font-size: 17px;
	font-weight: 600;
	margin: 0;
	margin-right: 10px;
}

.check-ans .ans-detail div span {
	font-size: 16px;
	font-weight: 500;
	color: #000;
}

.check-ans .ans-detail div:last-child {
	display: block;
}

.check-ans .ans-detail div:last-child span {
	color: #512da8;
	margin-bottom: 10px;
	font-style: italic;
}

.check-ans .ans-detail div:last-child p {
	font-size: 16px;
	font-weight: 400;
	color: #000;
	padding: 5px 0;
}

/* ====== LISTENING - PART 34 ====== */
.part34-audio {
	border-radius: 10px;
	border: solid 1px #d4cccc;
	display: flex;
	flex-direction: column;
	justify-content: center;
	padding: 10px 20px 15px 20px;
}

.part34-audio p {
	font-size: 17px;
	font-weight: bold;
	color: var(--color-text);
	font-style: italic;
	font-family: "Robioo", sans-serif;
	line-height: 1.5;
}

.part34-audio audio {
	width: 100%;
	height: 50px;
	margin-top: 10px;
	color: #0b0a0a;
}

.ques-list {
	display: flex;
	flex-direction: column;
	width: 100%;
}

.ques-list .ques-each {
	display: flex;
	flex-direction: column;
	border-bottom: solid 1px #e0e0e0;
	padding-bottom: 10px;
	width: 100%;
}

.question {
	padding: 10px 0;
}

.question span {
	color: #000;
	font-size: 18px;
}

.ques-list .ques-each .check-ans.part34 {
	height: 50px;
	width: 100%;
	margin-bottom: 10px;
}

.ques-list .ques-each .check-ans.part34 .ans-detail {
	display: flex;
	justify-content: center;
	align-items: center;
}

.ques-each .part34 .ans-detail h3 {
	margin-right: 10px;
}

.ques-each .check-ans.part34 .ans-detail span {
	font-size: 18px;
}

/* ====== READING - PART 567 ====== */

.part5-script p {
	font-size: 18px;
	text-align: justify;
	font-weight: 600;
}

.part67-script {
	display: flex;
	justify-content: center;
	border-bottom: solid 1px var(--color-border);
	padding: 15px 25px;
	font-size: 18px;
	font-family: 'Roboto', sans-serif;
	line-height: 1.6;
	text-align: justify;
	background-color: var(--color-beige);
}

.part67-script p {
	font-size: 17px;
	font-family: 'Roboto', sans-serif;
}

.hide-explanation {
	background-color: var(--color-primary);
	color: var(--color-white);
	border: none;
	padding: 8px 16px;
	font-size: 14px;
	font-weight: bold;
	border-radius: 5px;
	cursor: pointer;
	transition: all 0.3s ease-in-out;
}

.hide-explanation:hover {
	box-shadow: 0 4px 10px var(--color-primary);
}

.hide-explanation:active {
	transform: scale(0.95);
}

.show-explanation {
	background-color: var(--color-primary);
	color: var(--color-white);
	border: none;
	padding: 8px 16px;
	font-size: 14px;
	font-weight: bold;
	border-radius: 5px;
	cursor: pointer;
	transition: all 0.3s ease-in-out;
}

.show-explanation:hover {
	background-color: var(--color-main);
	transform: scale(1.05);
}

.show-explanation:active {
	transform: scale(0.95);
}