:root{font-family:system-ui,-apple-system,sans-serif;line-height:1.5;color-scheme:dark;color:#e8e8e8;background-color:#111;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}*{box-sizing:border-box}body{margin:0;padding:16px;padding-bottom:env(safe-area-inset-bottom,16px);min-height:100vh}button{font-family:inherit;touch-action:manipulation;-webkit-tap-highlight-color:transparent}button:active{filter:brightness(1.2)}.hide-scrollbar::-webkit-scrollbar{display:none}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield}input[type=range]{height:44px}