:root { color-scheme: dark; --fg: #e6e6ef; --dim: #8a8a99; --bg: #000; }
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--fg); font: 14px/1.4 system-ui, -apple-system, Segoe UI, Roboto, sans-serif; overflow: hidden; }
#sky { position: fixed; inset: 0; width: 100vw; height: 100vh; display: block; touch-action: none; cursor: grab; }
#sky.grabbing { cursor: grabbing; }