:root {
  --bg-color: #0b1c2d;
  --text-color: #ffffff;
  --btn-bg: #4c1130;
  --btn-hover: #7b1e4e;
  --btn-text: #ffffff;
  --overlay-bg: rgba(0, 0, 0, 0.7);
}

body.light-mode {
  --bg-color: #f0f0f0;
  --text-color: #0b1c2d;
  --btn-bg: #ffcc00;
  --btn-hover: #ffaa00;
  --btn-text: #000000;
  --overlay-bg: rgba(255, 255, 255, 0.8);
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Courier New', Courier, monospace;
  overflow: hidden;
  user-select: none;
}

#game-container {
  width: 100vw;
  height: 100vh;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}

#ui-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.screen {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--overlay-bg);
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
  pointer-events: auto;
  min-width: 300px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.screen.hidden {
  display: none;
}

/* Editor UI is a bit different, it sits on top but allows game interaction */
#editor-ui.overlay-ui {
  top: 0;
  left: 0;
  transform: none;
  width: 100%;
  height: 100%;
  background: transparent;
  padding: 0;
  pointer-events: none; /* Let clicks pass through to game/canvas unless on buttons */
}

.editor-controls, .editor-tools {
  position: absolute;
  pointer-events: auto;
  background: var(--overlay-bg);
  padding: 10px;
  border-radius: 5px;
  display: flex;
  gap: 10px;
}

.editor-controls {
  top: 10px;
  right: 10px;
}

.editor-tools {
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
}

button {
  background-color: var(--btn-bg);
  color: var(--btn-text);
  border: none;
  padding: 10px 20px;
  font-size: 1.2rem;
  cursor: pointer;
  border-radius: 5px;
  transition: transform 0.1s, background-color 0.2s;
  font-family: inherit;
}

button:hover {
  background-color: var(--btn-hover);
  transform: scale(1.05);
}

button:active {
  transform: scale(0.95);
}

button.active {
  border: 2px solid white;
  transform: scale(1.1);
}

h1, h2 {
  margin: 0;
  text-transform: uppercase;
  text-shadow: 2px 2px 0px rgba(0,0,0,0.5);
}

#level-upload {
    display: none;
}