* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: #111; overflow: hidden; display: flex; height: 100vh; font-family: monospace; color: #ccc; }

#game {
  flex: 1; display: block; cursor: crosshair;
  image-rendering: pixelated; image-rendering: crisp-edges;
  background: #000;
}

#toolbar {
  width: 100px; background: rgba(20,20,20,.95);
  display: flex; flex-wrap: wrap; align-content: flex-start;
  gap: 3px; padding: 6px; overflow-y: auto;
  border-right: 1px solid #333;
}

.ebtn {
  width: 44px; height: 32px; border: 2px solid transparent;
  border-radius: 3px; cursor: pointer; display: flex;
  align-items: center; justify-content: center;
  font-size: 9px; color: #fff; text-shadow: 0 0 2px #000;
}
.ebtn.active { border-color: #fff; box-shadow: 0 0 6px #fff; }

#hud {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: 32px; background: rgba(20,20,20,.9);
  display: flex; align-items: center; gap: 16px; padding: 0 12px;
  border-top: 1px solid #333; z-index: 10;
}
#hud label { display: flex; align-items: center; gap: 6px; font-size: 12px; }
#hud input[type=range] { width: 80px; }
#fps { font-size: 11px; color: #888; }
#clear {
  background: #333; border: 1px solid #555; color: #ccc;
  padding: 3px 10px; border-radius: 3px; cursor: pointer; font-size: 11px;
}
#clear:hover { background: #555; }