body{
margin:0;
padding:20px;
font-family:Arial,sans-serif;
background:#f3f4f6;
}

.wm-container{
max-width:1200px;
margin:auto;
}

.wm-container h1{
text-align:center;
margin-bottom:5px;
}

.wm-container p{
text-align:center;
color:#666;
margin-bottom:25px;
}

.upload-box{
display:flex;
gap:15px;
flex-wrap:wrap;
justify-content:center;
margin-bottom:20px;
}

.upload-box input{
padding:12px;
background:white;
border-radius:10px;
border:1px solid #ddd;
width:300px;
}

.canvas-box{
display:flex;
justify-content:center;
align-items:center;
background:white;
border-radius:15px;
padding:20px;
box-shadow:0 5px 20px rgba(0,0,0,.08);
margin-bottom:25px;
overflow:auto;
}

canvas{
max-width:100%;
border:2px dashed #ccc;
border-radius:12px;
background:#fafafa;
cursor:move;
  touch-action:none;
}

.tool-panel{
background:white;
padding:20px;
border-radius:15px;
box-shadow:0 5px 20px rgba(0,0,0,.08);
}

.tool-panel h2{
margin-top:0;
}

.tool-panel label{
display:block;
margin-top:18px;
font-weight:bold;
}

.tool-panel input[type=text]{
width:100%;
padding:12px;
font-size:16px;
border:1px solid #ccc;
border-radius:10px;
margin-top:8px;
}

.tool-panel input[type=range]{
width:100%;
margin-top:10px;
}

.tool-panel input[type=color]{
margin-top:10px;
width:70px;
height:45px;
border:none;
background:none;
cursor:pointer;
}

.tool-panel span{
display:block;
margin-top:6px;
color:#444;
font-size:14px;
}

#downloadBtn{
margin-top:25px;
width:100%;
padding:15px;
border:none;
border-radius:12px;
font-size:18px;
font-weight:bold;
background:#2563eb;
color:white;
cursor:pointer;
transition:.3s;
}

#downloadBtn:hover{
background:#1d4ed8;
}

@media(max-width:768px){

.upload-box{
flex-direction:column;
align-items:center;
}

.upload-box input{
width:100%;
}

.tool-panel{
padding:15px;
}

}