body{
margin:0;
font-family: "Noto Sans KR", "Apple SD Gothic Neo", Arial, sans-serif;
height:100vh;
display:flex;
justify-content:center;
align-items:center;
background: linear-gradient(140deg,#e8f3ff,#d9eaff,#f4f9ff);
}

/* плавающие декоративные элементы */

.bg-shape{
position:absolute;
border-radius:50%;
opacity:0.4;
filter:blur(30px);
}

.shape1{
width:220px;
height:220px;
background:#7fb8ff;
top:80px;
left:120px;
}

.shape2{
width:180px;
height:180px;
background:#c5e0ff;
bottom:120px;
right:160px;
}

/* контейнер */

.container{
position:relative;
display:flex;
width:900px;
height:520px;
background:white;
border-radius:20px;
overflow:hidden;
box-shadow:0 20px 40px rgba(0,0,0,0.12);
}

/* левая часть */

.left{
flex:1;
background: linear-gradient(160deg,#4e8cff,#7fb8ff);
color:white;
display:flex;
flex-direction:column;
justify-content:center;
align-items:center;
padding:50px;
text-align:center;
}

.logo{
font-size:42px;
margin-bottom:10px;
}

.left h1{
font-weight:600;
margin-bottom:8px;
}

.left p{
opacity:0.9;
font-size:15px;
}

/* правая часть */

.right{
flex:1;
display:flex;
justify-content:center;
align-items:center;
background:#fafcff;
}

/* карточка входа */

.login-box{
width:320px;
background:white;
padding:35px;
border-radius:16px;
box-shadow:0 10px 25px rgba(0,0,0,0.08);
}

.login-box h2{
text-align:center;
margin-bottom:25px;
font-weight:600;
}

/* поля */

.input-group{
margin-bottom:15px;
}

.input-group input{
width:100%;
padding:13px;
border-radius:10px;
border:1px solid #d7e3f7;
font-size:14px;
background:#f8fbff;
}

/* кнопка */

button{
width:100%;
padding:13px;
border:none;
border-radius:10px;
background:#4e8cff;
color:white;
font-size:15px;
font-weight:600;
cursor:pointer;
transition:0.2s;
}

button:hover{
background:#3a76e8;
}

/* ссылки */

.links{
text-align:center;
margin-top:15px;
font-size:13px;
}

.links a{
color:#4e8cff;
text-decoration:none;
margin:0 5px;
}

/* футер */

.footer{
text-align:center;
margin-top:15px;
font-size:12px;
color:#999;
}