body{
margin:0;
overflow:hidden;
font-family:Arial;
background:#000;
}

#app{
width:100vw;
height:100vh;
}
#imageUpload{
position:fixed;
bottom:20px;
left:20px;
z-index:10;
background:white;
padding:10px;
border-radius:5px;
}
#scaleSlider{
position:fixed;
bottom:20px;
right:20px;
z-index:10;
width:150px;
}
#uiPanel{
position:fixed;
top:20px;
right:20px;
z-index:10;
display:flex;
flex-direction:column;
gap:10px;
}

#uiPanel button{
padding:10px;
background:white;
border:none;
border-radius:5px;
font-weight:bold;
}
#loadingScreen{
position:fixed;
top:0;
left:0;
width:100%;
height:100%;
background:black;
color:white;
display:flex;
justify-content:center;
align-items:center;
font-size:24px;
z-index:999;
}
#loadingScreen{
transition: opacity 0.3s ease;
}