* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: #0F1117;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  font-family: system-ui, sans-serif;
}

#gameWrapper {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

#gameCanvas {
  display: block;
  background: #1a1d27;
  image-rendering: pixelated;
}

#mobileControls {
  position: absolute;
  bottom: 20px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 20px;
  pointer-events: none;
}

#leftControls, #rightControls {
  display: flex;
  gap: 12px;
  pointer-events: all;
}

.mBtn {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 3px solid rgba(48,92,222,0.7);
  background: rgba(48,92,222,0.25);
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  transition: background 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mBtn:active {
  background: rgba(48,92,222,0.6);
}

@media (min-width: 768px) {
  #mobileControls { display: none; }
}