* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  width: 100%; height: 100%; overflow: hidden;
  background: #05040d; color: #cfe9ff;
  font-family: 'Noto Sans', 'Noto Sans Devanagari', 'Segoe UI', Roboto, Arial, sans-serif;
  -webkit-user-select: none; user-select: none;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
}
#game { position: fixed; inset: 0; }
#game canvas { display: block; touch-action: none; outline: none; }