*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Arial, Helvetica, sans-serif;
}

body{
background:#f4f7fa;
min-height:100vh;
display:flex;
justify-content:center;
align-items:flex-start;
padding:40px 0;
}

.container{

width:1000px;

min-height:600px;

display:flex;

background:white;

border-radius:20px;

overflow:hidden;

box-shadow:0 20px 40px rgba(0,0,0,.15);

}

.left{

width:50%;

background:linear-gradient(135deg,#0d5c63,#44a08d);

color:white;

padding:60px;

display:flex;

flex-direction:column;

justify-content:center;

}

.left h1{

font-size:45px;

margin-bottom:20px;

}

.left p{

margin-bottom:25px;

font-size:18px;

}

.left li{

list-style:none;

margin:15px 0;

font-size:18px;

}

.right{

width:50%;

display:flex;

justify-content:center;

align-items:center;

background:white;

}

.login-card{

width:360px;

}

.login-card h2{

text-align:center;

margin-bottom:30px;

font-size:34px;

color:#0d5c63;

}

input{

width:100%;

padding:15px;

margin-bottom:20px;

border:1px solid #ccc;

border-radius:8px;

font-size:16px;

}

button{

width:100%;

padding:15px;

background:#0d5c63;

color:white;

border:none;

border-radius:8px;

font-size:18px;

cursor:pointer;

transition:.3s;

}

button:hover{

background:#09494e;

}

#error{

margin-top:20px;

color:red;

text-align:center;}