:root {
  --bg: #0b0d10;
  --fg: #e7ecef;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--fg);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif; }
.app-root { position: relative; min-height: 100svh; overflow: hidden; background: var(--bg); }
.layer { position: absolute; inset: 0; }

/* stacking & pointer behavior */
.c-video-duo { z-index: 1; pointer-events: none; }
.c-joystick  { z-index: 9999; pointer-events: auto; }

/* visible version tag to ensure correct build is loaded */
.version-tag {
  position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
  background: rgba(0,0,0,.6); color: #fff; padding: 4px 8px; border-radius: 8px;
  font-size: 12px; z-index: 12000; pointer-events: none;
}