/* ROOT & BODY SETUP */
html, body {
  margin: 0;
  padding: 0;
  background: #0b0f16;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  width: 100vw;
  overflow: hidden; /* Prevent scrolling entirely for native app feel */
  color: white;
}

/* --- MOBILE MODE LOCK --- */
/* Applied by JS when fullscreen is active */
body.mobile-mode {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  touch-action: none; /* Disables browser gestures */
}

/* --- THE SCREEN (Fixed Internal Resolution) --- */
#screen {
  width: 960px;  /* Base Width */
  height: 720px; /* Base Height */
  background: #0b0f16;
  position: relative;
  overflow: hidden;
  /* Important for scaling from the middle */
  transform-origin: center center;
  box-shadow: 0 0 50px rgba(0,0,0,0.8);
  flex-shrink: 0;
}

#screen canvas {
  display: block;
}

/* --- INFO BOX --- */
#info {
  position: absolute;
  left: 12px;
  top: 12px;
  font-family: system-ui, sans-serif;
  color: #d7e3ff;
  background: rgba(0, 0, 0, 0.35);
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.35;
  user-select: none;
  pointer-events: none;
  z-index: 10;
}
#info b { color: #ffffff; }



/* --- TOGGLE BUTTON --- */
#mobile-btn {
  position: fixed;
  top: 15px; 
  left: 15px; /* <-- Changed from right to left */
  z-index: 2000;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  font-size: 14px;
  padding: 10px 15px;
  cursor: pointer;
  transition: background 0.2s;
}



#mobile-btn:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Hide the button when in mobile mode */
body.mobile-mode #mobile-btn { display: none; }

/* --- MOBILE CONTROLS OVERLAY --- */
#mobile-controls {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; /* Let clicks pass through to empty space */
  z-index: 3000;
  display: none; /* Hidden by default */
  justify-content: space-between;
  align-items: flex-end;
  padding: 20px;
  box-sizing: border-box;
}

/* Show controls only when in mobile mode */
body.mobile-mode #mobile-controls { display: flex; }

/* --- CONTROL BUTTONS --- */
.mobile-control-btn {
  pointer-events: auto; /* Re-enable clicks for buttons */
  width: 90px; height: 90px;
  background: rgba(255,255,255,0.15);
  border: 3px solid rgba(255,255,255,0.4);
  border-radius: 50%;
  color: white;
  font-size: 40px;
  display: flex; justify-content: center; align-items: center;
  user-select: none;
  backdrop-filter: blur(4px);
  margin-bottom: 20px;
  transition: transform 0.1s, background 0.1s;
  -webkit-tap-highlight-color: transparent;
}
.mobile-control-btn:active {
  background: rgba(255,255,255,0.4);
  transform: scale(0.95);
}
#mobile-dpad {
  display: flex;
  gap: 15px;
  margin-left: 20px;
  margin-bottom: 20px;
}
#mobile-action {
  margin-right: 40px;
  margin-bottom: 40px;
}