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

.container{
max-width:900px;
margin:auto;
background:white;
padding:25px;
border-radius:8px;
box-shadow:0 0 10px rgba(0,0,0,0.1);
}

h1{
text-align:center;
}

input{
padding:10px;
margin:5px;
border:1px solid #ccc;
border-radius:4px;
}

button{
padding:10px 18px;
background:#007bff;
border:none;
color:white;
border-radius:4px;
cursor:pointer;
}

button:hover{
background:#0056b3;
}

table{
width:100%;
border-collapse:collapse;
margin-top:15px;
}

table th, table td{
border:1px solid #ddd;
padding:10px;
text-align:center;
}

table th{
background:#007bff;
color:white;
}

.pdf-btn{
margin-top:20px;
background:green;
}