:root{font-family:JetBrains Mono,Fira Code,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;color-scheme:dark}html,body{margin:0;padding:0;background-color:#05070d;color:#f1f5f9;width:100vw;height:100vh;height:100dvh;position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;user-select:none;-webkit-user-select:none;touch-action:none;overscroll-behavior:none}#app{width:100vw;height:100vh;height:100dvh;position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;overflow:hidden}#mobile-controls{bottom:max(1rem,env(safe-area-inset-bottom,1rem))}.mode-btn,.diff-btn{cursor:pointer;outline:none}.mode-btn:active,.diff-btn:active{transform:scale(.97)}input[type=range]{height:4px;border-radius:2px;background:#334155;outline:none}@keyframes neonPulse{0%,to{filter:drop-shadow(0 0 10px rgba(0,240,255,.6))}50%{filter:drop-shadow(0 0 20px rgba(255,0,85,.8))}}