* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  touch-action: none;
  overscroll-behavior: none;
}

body {
  background: #0d0d0d;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
  font-family: 'Press Start 2P', monospace;
  -webkit-user-select: none;
  user-select: none;
}

#gameWrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

/* ── HUD ────────────────────────────────────────────────────────────────────── */
#hud {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.hud-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.hud-label {
  font-size: 7px;
  color: #888;
  letter-spacing: 1px;
}

.hud-item span:last-child {
  font-size: 18px;
  color: #44ff44;
  text-shadow: 0 0 10px rgba(68, 255, 68, 0.4);
}

/* ── Canvas ─────────────────────────────────────────────────────────────────── */
#gameCanvas {
  display: block;
  cursor: crosshair;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  border: 2px solid #006644;
  box-shadow: 0 0 32px rgba(68, 255, 68, 0.12), 0 0 4px #000;
  border-radius: 4px;
  background: #050510;
}

/* ── Message overlay ────────────────────────────────────────────────────────── */
#message {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 14px;
  color: #44ccff;
  text-shadow: 0 0 20px rgba(68, 204, 255, 0.6), 2px 2px 0 #000;
  text-align: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 10;
  line-height: 2;
}

#message.show {
  opacity: 1;
  pointer-events: auto;
}

#message .sub {
  font-size: 7px;
  color: #888;
  display: block;
  margin-top: 8px;
}