body {
  margin: 0;
  background: #1e1e1e;
  display: flex;
  justify-content: center;
}

/* One horizontal row */
.page-row {
  display: flex;
  align-items: stretch;
  gap: 12px;
  padding: 20px;
}

/* Game area (3:2) */
.game-wrapper {
  aspect-ratio: 3 / 2;
  height: 600px; /* 🔑 controls overall size */
  background: black;
}

/* Unity fills the game wrapper */
#unity-container,
#unity-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Side ads match game height */
.side-ad {
  width: 160px;
  height: 600px; /* 🔑 SAME AS GAME */
  background: #b0b0b0;
  border: 2px dashed #666;
  display: flex;
  align-items: center;
  justify-content: center;
  font: bold 14px Arial, sans-serif;
}

/* Mobile: stack */
@media (max-width: 900px) {
  .page-row {
    flex-direction: column;
    align-items: center;
  }

  .side-ad {
    width: 320px;
    height: 100px;
  }

  .game-wrapper {
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
  }
}