html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: #cfe9b1; /* light grass fallback if WebGL fails */
  color: #f4f6f8;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, Apple SD Gothic Neo, Noto Sans KR, "Malgun Gothic", sans-serif;
  overscroll-behavior: none;
}

#hud {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  right: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  z-index: 5;
  pointer-events: none;
}

#status {
  display: inline-block;
  align-self: flex-start;
  background: rgba(0,0,0,0.45);
  padding: 0.5rem 0.75rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
}

#hint {
  display: inline-block;
  align-self: flex-start;
  background: rgba(255,255,255,0.08);
  padding: 0.4rem 0.6rem;
  border-radius: 10px;
  font-size: 12px;
}

canvas#aim {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  touch-action: none; /* allow custom gestures */
  z-index: 2; /* sits above WebGL canvas to draw aim */
  pointer-events: none; /* drawing only; events handled on WebGL canvas */
}

/* The Three.js renderer canvas will be appended to body; make it fullscreen */
canvas.webgl {
  position: fixed;
  inset: 0;
  width: 100vw !important;
  height: 100vh !important;
  touch-action: none;
  z-index: 1;
  display: block;
}

/* Hide legacy hint/status HUD text in the top-left */
#hud { display: none !important; }