* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #121212;
  color: #ffffff;
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
}

/* WRAPPER */
.game-wrapper {
  width: 100%;
  max-width: 900px;
  padding: 16px;

  display: flex;
  gap: 20px;
  align-items: flex-start;
  justify-content: center;
}

/* PANEL */
.panel {
  width: 220px;
  padding: 16px;
  background: #1e1e1e;
  border-radius: 16px;

  display: flex;
  flex-direction: column;
  gap: 16px;
}

h1 {
  margin: 0;
  font-size: 22px;
}

.stats p {
  font-size: 16px;
  margin: 6px 0;
}

button {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 10px;
  background: #ffffff;
  color: #121212;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  opacity: 0.85;
}

.controls {
  color: #bbbbbb;
  font-size: 14px;
}

/* CANVAS */
canvas {
  width: 300px;
  height: 600px;
  background: #000;
  border: 3px solid #333;
}

/* MOBILE CONTROLS */
.mobile-controls {
  display: none;
}

/* 📱 MOBILE */
@media (max-width: 700px) {
  .game-wrapper {
    flex-direction: column;
    align-items: center;
  }

  .panel {
    width: 100%;
    text-align: center;
  }

  .stats {
    display: flex;
    justify-content: space-around;
  }

  .controls {
    display: none;
  }

  canvas {
    width: 90vw;
    height: auto;
  }

  .mobile-controls {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    width: 100%;
    margin-top: 12px;
  }

  .mobile-controls button {
    height: 50px;
    font-size: 20px;
    border-radius: 12px;
  }
}