/* base: the stage fills the viewport; ui/ui.js owns everything inside #ui */
html, body { margin: 0; height: 100%; overflow: hidden; background: #0b1026; overscroll-behavior: none; }
body { -webkit-tap-highlight-color: transparent; -webkit-user-select: none; user-select: none; touch-action: none; }
#stage { position: fixed; inset: 0; width: 100vw; height: 100vh; height: 100dvh; display: block; touch-action: none; cursor: grab; }
#stage:active { cursor: grabbing; }
#ui { position: fixed; inset: 0; pointer-events: none; }
#ui > * { pointer-events: auto; }