body{
margin:0;
padding:20px;
background:#f4f6f9;
font-family:sans-serif;
}

.container{
max-width:600px;
margin:auto;
}

h1{
text-align:center;
}

.card{
background:white;
padding:20px;
border-radius:15px;
box-shadow:0 2px 10px rgba(0,0,0,0.1);
}

label{
display:block;
margin-top:15px;
margin-bottom:5px;
font-weight:bold;
}

input,
select,
textarea{
width:100%;
padding:10px;
border:1px solid #ccc;
border-radius:8px;
box-sizing:border-box;
}

textarea{
height:120px;
}

button{
width:100%;
margin-top:20px;
padding:15px;
border:none;
border-radius:10px;
background:#2196f3;
color:white;
font-size:16px;
cursor:pointer;
}

button:hover{
opacity:0.9;
}

#result{
margin-top:20px;
text-align:center;
font-weight:bold;
}