body{
font-family:Arial;
background:#0e0e11;
color:white;
text-align:center;
margin:0;
}

header{
display:flex;
justify-content:space-between;
align-items:center;
background:#15151a;
padding:10px;
}

nav{
background:#1b1b22;
padding:10px;
}

nav button{
margin:5px;
padding:10px;
border:none;
border-radius:6px;
background:#2a2a35;
color:white;
cursor:pointer;
}

.hidden{
display:none;
}

.center{
margin-top:40px;
}

.coin{
width:120px;
height:120px;
margin:auto;
border-radius:50%;
display:flex;
align-items:center;
justify-content:center;
font-size:50px;
font-weight:bold;
transition:transform 1s;
}

.heads{
background:#2196f3;
color:white;
}

.tails{
background:black;
color:white;
}

.coin.flip{
transform:rotateY(1080deg);
}

.slots{
display:flex;
justify-content:center;
gap:20px;
font-size:50px;
margin:20px;
}

.slots div{
background:#1b1b22;
padding:20px;
border-radius:10px;
width:80px;
height:80px;
display:flex;
align-items:center;
justify-content:center;
}

#grid{
display:grid;
grid-template-columns:repeat(5,60px);
gap:10px;
justify-content:center;
margin-top:20px;
}

.tile{
width:60px;
height:60px;
background:#2a2a35;
border-radius:6px;
display:flex;
align-items:center;
justify-content:center;
cursor:pointer;
}

.safe{background:#00b36b;}
.mine{background:#ff3b3b;}