html,body{overscroll-behavior:none;-webkit-user-select:none;user-select:none;-webkit-text-size-adjust:100%;background:#0e0f12;height:100%;margin:0;overflow:hidden}#world,#hud{position:fixed;inset:0}#world canvas{touch-action:none;width:100%;height:100%;display:block}#hud{pointer-events:none}.thumbs{width:100%;height:100%;position:absolute;inset:0}.thumbs circle,.thumbs line{fill:none;stroke:var(--thumb-ink);stroke-width:var(--thumb-line)}#readout{left:50%;top:calc(16px + env(safe-area-inset-top));text-align:center;color:#f3f2ef;text-shadow:0 1px 2px #0009;width:min(100%,430px);font:600 14px/1.4 -apple-system,system-ui,sans-serif;position:absolute;transform:translate(-50%)}