body {
margin: 0;
font-family: Arial;
background: #0a0a0a;
color: white;
overflow: hidden;
}

canvas {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 1;
}

.app {
position: relative;
z-index: 2;
padding: 20px;
text-align: center;
}

nav button {
margin: 5px;
padding: 10px;
background: gold;
border: none;
border-radius: 10px;
cursor: pointer;
}

h1 {
font-size: 3em;
background: linear-gradient(to right, gold, white);
-webkit-background-clip: text;
color: transparent;
}


.page {
display: none;
}

.page.active {
display: block;
}

.controls button,
.presets button {
margin: 10px;
padding: 10px 15px;
background: linear-gradient(45deg, gold, white);
border: none;
border-radius: 10px;
cursor: pointer;
}

input, select {
padding: 10px;
border-radius: 10px;
border: none;
margin: 10px;
}

.switch {
display: inline-block;
width: 50px;
height: 25px;
background: #333;
border-radius: 20px;
position: relative;
}

.switch span {
position: absolute;
width: 20px;
height: 20px;
background: gold;
border-radius: 50%;
top: 2px;
left: 2px;
transition: 0.3s;
}

.switch input:checked + span {
left: 28px;
}

.dark {
background: #fff;
color: #000;



}