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


body{
background:#f4f7fb;
color:#222;
}


.header{
background:#4f46e5;
padding:20px 8%;
display:flex;
justify-content:space-between;
align-items:center;
}


.logo{
color:white;
text-decoration:none;
font-size:28px;
font-weight:bold;
}


nav a{
color:white;
text-decoration:none;
margin-left:20px;
}



.container{

max-width:800px;
margin:40px auto;
background:white;
padding:30px;
text-align:center;
border-radius:15px;
box-shadow:0 10px 25px rgba(0,0,0,.1);

}



p{
color:#666;
margin:15px;
}



input[type=file]{

margin:20px;
}



.pdf-area{

position:relative;
display:inline-block;
margin-top:20px;

}



canvas{

border:1px solid #ccc;

}



#drawCanvas{

position:absolute;
left:0;
top:0;
cursor:crosshair;

}



button{

background:#4f46e5;
color:white;
border:none;
padding:14px 30px;
margin:20px 5px;
border-radius:8px;
cursor:pointer;

}


button:hover{

background:#3730a3;

}



@media(max-width:768px){

.header{

flex-direction:column;
gap:15px;

}


.container{

margin:20px;
padding:20px;

}

}