* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

body {
  background: #1a1a2e;
  color: #eee;
  font-family: system-ui, -apple-system, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100dvh;
  overflow: hidden;
  touch-action: none;
}

#game-wrapper {
  text-align: center;
  padding: 10px;
  width: 100%;
  max-width: 500px;
}

h1 {
  font-size: 1.4rem;
  margin-bottom: 8px;
  color: #e94560;
}

canvas {
  display: block;
  margin: 0 auto;
  width: 100%;
  max-width: 400px;
  aspect-ratio: 4 / 3;
  background: #16213e;
  border: 2px solid #0f3460;
  border-radius: 8px;
  touch-action: none;
}

#touch-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 12px;
}

.ctrl-btn {
  width: 70px;
  height: 70px;
  font-size: 2rem;
  border: none;
  border-radius: 16px;
  background: #0f3460;
  color: #eee;
  cursor: pointer;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
}

.ctrl-btn:active {
  background: #e94560;
  transform: scale(0.92);
}

#status {
  margin-top: 10px;
  font-size: 1rem;
  color: #aaa;
}

#btn-reset {
  margin-top: 8px;
  padding: 8px 24px;
  border: none;
  border-radius: 8px;
  background: #e94560;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
}

#btn-reset:active {
  opacity: 0.7;
}