@import url('https://fonts.googleapis.com/css2?family=Nanum+Gothic:wght@400;700;800&display=swap');
*{
	margin: 0;
	padding: 0;
	text-decoration: none;
	font-family: montserrat;
	box-sizing: border-box;
	font-family: 'Nanum Gothic', sans-serif;
}

body{
	min-height: 100vh;
	background-image: linear-gradient(120deg, #3498db, #8e44ad);
}

.login-form{
	width: 360px;
	background: #f1f1f1;
	height: 580px;
	padding: 80px 40px;
	border-radius: 10px;
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
}

.login-form h1 {
	text-align: center;
	margin-bottom: 60px;
	font-weight: 900;
}

.txtb{
	border-bottom: 2px solid #adadad;
	position: relative;
	margin: 30px 0;
}

.txtb input{
	font-size: 15px;
	color: #333;
	border: none;
	width: 100%;
	outline: none;
	background: none;
	padding: 0 5px;
	height: 40px;
}

.txtb span::before{
	content: attr(data-placeholder);
	position: absolute;
	top: 50%;
	left: 5px;
	color: #adadad;
	transform: translateY(-50%);
	z-index: -1;
	transition: .5s;
}

.txtb span::after{
	content:'';
	position: absolute;
	width: 0%;
	height: 2px;
	left: 0%;
	top: 40px;
	background: linear-gradient(120deg, #3498db, #8e44ad);
	transition: .5s;
}

.focus + span::before{
	top: -5px;
}

.focus + span::after{
	width: 100%;
}

.logbtn{
	display: block;
	width: 100%;
	height: 50px;
	border: none;
	background: linear-gradient(120deg, #3498db, #8e44ad, #3498db);
	background-size: 200%;
	color: #fff;
	outline: none;
	cursor: pointer;
	transition: .5x;
}

.logbtn:hover{
	background-position: right;
}

.bottom-text{
	margin-top: 60px;
	text-align: center;
	font-size: 13px;
}