* {
	padding: 0;
	margin: 0;
	box-sizing: border-box;
}

body,
input,
button {
	font-family: "Poppins", sans-serif;
}

input,
button {
	font-size: 16px;
}

body {
	background-color: #f6fffd;
	background-image: 
		 radial-gradient(at 47% 33%, hsl(170.66, 100%, 85%) 0, transparent 59%), 
		 radial-gradient(at 82% 65%, hsl(153.97, 100%, 85%) 0, transparent 55%);
}
header {
	background-blend-mode: multiply;
	background-color: rgba(128, 128, 128, 0.2);
	margin: 0 auto;
	background-image: linear-gradient(to top right, #44ff96,  #007fc4);
}

::-webkit-scrollbar {
	width: 10px;
}
::-webkit-scrollbar-thumb {
	background: #9ba2a2;
	border: 2px solid transparent;
	background-clip: content-box;
	border-radius: 35px;
}
::-webkit-scrollbar-track {
	background: #e9e9e9;
	border-radius: 35px;
}
::-webkit-scrollbar-thumb:hover {
	background: #8b9191;
}

.jumbotron {
	font-size: 20px;
	padding: 100px 60px 60px 60px;
	text-align: center;
	color: white;
	overflow: auto;
}

.left-content {
	float: left;
	width: 40%;
	padding-left: 50px;
}

.right-content {
	float: left;
	width: 60%;
	padding: 135px 50px 0 0;
}

nav {
	background-blend-mode: multiply;
	background-color: rgba(128, 128, 128, 0.2);
	background-image: linear-gradient(32deg, #44ff96,  #22bfad);
	z-index: 1;
	position: sticky;
	top: 0;
	padding: 15px 100px;
	transition: 250ms;
}
.coloredNav {
	background: #1bb2b2;
}

nav li,
ul {
	display: inline-block;
	list-style: none;
}
.logo {
	color: white;
	font-weight: bold;
	font-size: 20px;
}
.right-nav {
	float: right;
	padding-top: 0;
}

main {
	max-width: 800px;
	width: 80%;
	margin: 0 auto;
	margin-top: 40px;
	padding: 20px;
}

.glassmorphism {
	backdrop-filter: blur(18px) saturate(180%);
	-webkit-backdrop-filter: blur(18px) saturate(180%);
	background-color: rgba(255, 255, 255, 0.87);
	border-radius: 12px;
	border: 1px solid rgba(209, 213, 219, 0.3);
}

.input_section {
	display: flex;
	flex-direction: column;
	padding: 16px;
}

.input_section > h2 {
	text-align: center;
	color: #00c4c4;
}

.input_section > form > .input {
	margin: 8px 0;
}

.input_section > form > button,
.universalButton {
	background-color: #00c4c4;
	color: white;
	font-weight: bold;
	border: 0;
	border-radius: 15px;
	display: block;
	width: 100%;
	padding: 8px;
	cursor: pointer;
	transition: 0.25s;
}

.input_section > form > button:hover,
.input_section > form > button:focus {
	background: #00aaaa;
	box-shadow: 0 0.5em 0.5em -0.4em var(--hover);
	transform: translateY(-0.25em);
}

.input_section > form > button:active {
	background-color: #3e8e41;
	box-shadow: 0 2px #666;
	transform: translateY(4px);
}

.universalButton:hover,
.universalButton:focus {
	background-color: #d3293a;
	box-shadow: 0 0.5em 0.5em -0.4em var(--hover);
	transform: translateY(-0.25em);
}
.universalButton:active {
	background-color: #00c4c4;
	box-shadow: 0 2px #666;
	transform: translateY(4px);
}

.input_section > form > .input > input {
	display: block;
	width: 100%;
	padding: 8px;
	border: 1px solid #f0f0f0;
	border-radius: 15px;
}

.input_section > form > .input > input:focus,
input:focus {
	outline: transparent;
	box-shadow: #09498541 0px 0px 5px 1px;
}
.input_section > form > .input > label {
	color: #00c4c4;
	font-weight: bold;
}

.input_section > form > .input_inline {
	margin: 12px 0;
	display: flex;
	align-items: center;
}

.input_section > form > .input_inline > label {
	color: #00c4c4;
	font-weight: bold;
	font-size: small;
	margin-left: 8px;
}

.search_section > .search-icon,
.search_section > .cancel-icon {
	display: none;
	text-align: center;
   border-radius: 100%;
	width: 30px;
   height: 30px;
   line-height: 30px;
	font-size: 18px;
	cursor: pointer;
   transition: 400ms;
}
.search_section > .search-icon {
   background: #00d3d3;
	color: #fff;
}
.search_section > .cancel-icon {
   background: white;
   color: #00d3d3;
}
.search_section > .search-icon:hover {
   background: #009797;
}
.search_section > .cancel-icon:hover {
   background: #f2f2f2;
   color: #00b3b3;
}

.search_section > form {
   height: 30px;
	display: flex;
	flex-direction: row;
	border-radius: 25px;
}

.search_section > form > input {
   padding: 5px 15px;
	border-radius: 25px 0 0 25px;
	font-size: 14px;
	flex-grow: 2;
	border: none;
}
.search_section > form > input:focus {
	outline: transparent;
}
.search_section > form > input::placeholder {
	color: #b8b8b8;
}

.search_section > form > button {
	font-size: large;
	background: #00d3d3;
	color: white;
	padding: 0 7px;
	border: 2px solid #00d3d3;
	border-radius: 0 25px 25px 0;
	cursor: pointer;
	transition: 300ms;
}
.search_section > form > button:hover {
	border: 2px solid #00d3d3;
	background: #00b3b3;
	color: white;
}

.shadow {
	box-shadow: 0 5px 10px rgba(154, 160, 185, .05), 0 15px 40px rgba(166, 173, 201, .2);
}

.book_shelf {
	margin: 16px 0 0 0;
	padding: 16px;
}

.book_shelf > h2 {
	padding-left: 18px;
	color: #00c4c4;
}

.book_shelf > .book_list {
	padding: 0 16px 16px;
}

.book_shelf > .book_list > .book_item {
	overflow: auto;
	background: #ffffff;
	padding: 16px 8px 16px 16px;
	border-radius: 15px;
	margin: 18px 0;
}

.book_shelf > .book_list > .book_item > h3,
p {
	margin: 8px 0;
}

.book_shelf > .book_list > .book_item > .action > button {
	border: 0;
	padding: 5px;
	margin: 0 5px 0 0;
	border-radius: 5px;
	cursor: pointer;
}

.book_item > .book_title {
	float: left;
}

.book_shelf > .book_list > .book_item > .action {
	clear: left;
	float: right;
}

.green,
.red,
.undo {
	transition: 200ms;
	background-size: contain;
	width: 40px;
	height: 40px;
	cursor: pointer;
	border: none;
}

.book_shelf > .book_list > .book_item > .action > .green {
	background: url("../img/check-outline.svg");
	margin-left: auto;
}

.book_shelf > .book_list > .book_item > .action > .green:hover {
	background: url("../img/check-solid.svg");
	background-size: contain;
}

.book_shelf > .book_list > .book_item > .action > .undo {
	background: url("../img/undo-ouline.svg");
	margin-left: auto;
}

.book_shelf > .book_list > .book_item > .action > .undo:hover {
	background: url("../img/undo-fill.svg");
	background-size: contain;
}

.book_shelf > .book_list > .book_item > .action > .red {
	background: url("../img/trash-outline.svg");
	margin-left: 16px;
}

.book_shelf > .book_list > .book_item > .action > .red:hover {
	background: url("../img/trash-fill.svg");
	background-size: contain;
}

.modal {
	display: none;
	position: fixed;
	z-index: 1; 
	padding-top: 100px; 
	left: 0;
	top: 0;
	width: 100%; 
	height: 100%; 
	overflow: auto; 
	background-color: rgb(0, 0, 0); 
	background-color: rgba(0, 0, 0, 0.268); 
	backdrop-filter: blur(2px) saturate(100%);
	-webkit-backdrop-filter: blur(2px) saturate(180%);
}

/* Modal Content */
.modal-content {
	text-align: center;
	overflow: auto;
	margin: 0 auto;
	padding: 20px;
	border-radius: 15px;
	width: 45%;
	backdrop-filter: blur(16px) saturate(180%);
	-webkit-backdrop-filter: blur(8px) saturate(180%);
	background-color: rgb(242, 242, 242);
	border: 1px solid rgba(209, 213, 219, 0.3);
}

footer {
	margin-top: 30px;
	padding: 80px 50px 50px 50px;
	text-align: center;
	color: white;
	font-size: small;
	line-height: 20px;
	/* background-image: linear-gradient(#00ebdf,#00c4c4,#00c8eb); */
	background: #2a2c2c;
}

@media screen and (max-width: 1200px) {
	.jumbotron {
		padding-top: 70px;
	}
	.right-content {
		padding: 75px 50px 0 30px;
	}
}

@media screen and (max-width: 1000px) {
	.jumbotron {
		padding: 50px 160px;
	}
	.left-content,
	.right-content {
		width: 100%;
		padding: 0;
	}
}

@media screen and (max-width: 700px ) {
	nav {
		padding: 15px 85px;
	}
	.jumbotron {
		padding: 50px 100px;
	}
	.search_section form {
		position: absolute;
		top: 80px;
		right: 110px;
		opacity: 0;
		pointer-events: none;
		transition: top 400ms ease, opacity 400ms ease;
	}
	.search_section form.active {
		display: block;
		display: flex;
		top: 70px;
		opacity: 1;
		pointer-events: auto;
	}
	.search_section form:before {
		position: absolute;
		top: -2px;
		right: -11px;
		margin: -20px 0 0;
		z-index: -1;
		content: "";
		width: 0;
		height: 0;
		border-left: 20px solid transparent;
		border-bottom:10px solid rgba(209, 213, 219, 0.5);
	}
	.search_section form:after {
		position: absolute;
		content: "";
		height: 50px;
		padding: 2px;
		background: rgba(209, 213, 219, 0.5);
		border-radius: 25px 0 25px 25px;
		min-width: calc(100% + 20px);
		z-index: -2;
		left: 49.56%;
		top: 50%;
		transform: translate(-50%, -50%);
	}
	.search_section > form > input {
		max-width: 180px;
	}
	.search_section .search-icon {
		display: block;
	}
	.search_section .search-icon.hide {
		display: none;
	}
	.search_section .cancel-icon.show {
		display: block;
	}
}

@media screen and (max-width: 560px) {
	main {
		width: 100%;
	}
	nav {
		padding: 15px 20px;
	}
	.search_section > form {
		right: 45px;
	}
	.jumbotron {
		padding: 30px 15px;
	}
	.modal-content {
		width: 90%;
	}
}

@media screen and (max-width: 400px) {
	section h2 {
		font-size: 20px;
	}
	.heading1 {
		font-size: 26px;
	}
	.text-content {
		font-size: 15px;
	}
	.book_shelf > h2 {
		padding-left: 14px;
	}
	
	.book_shelf > .book_list {
		padding: 0 12px 12px;
	}
	
	.book_title > h2 {
		font-size: 18px;
	}
	.book_title > p {
		font-size: 14px;
	}
	.green,
	.red,
	.undo {
		width: 35px;
		height: 35px;
	}
}