* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
  background: #101522;
  color: white;
  min-height: 100vh;
}

.game-wrapper {
  width: 100%;
  max-width: 1100px;
  margin: auto;
  padding: 15px;
}

.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #1b2335;
  padding: 15px 20px;
  border-radius: 15px;
  margin-bottom: 15px;
}

.game-header h1 {
  font-size: 28px;
}

.game-header p {
  color: #b8c0d4;
  margin-top: 4px;
}

.stats {
  display: flex;
  gap: 18px;
  font-weight: bold;
  font-size: 18px;
}

.game-container {
  position: relative;
  width: 100%;
  background: #080c14;
  border-radius: 15px;
  overflow: hidden;
}

canvas {
  width: 100%;
  height: auto;
  display: block;
  background: #87ceeb;
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  justify-content: center;
  align-items: center;
}

.hidden {
  display: none;
}

.menu-box {
  width: 90%;
  max-width: 420px;
  text-align: center;
  background: #1c2435;
  padding: 35px 25px;
  border-radius: 20px;
  box-shadow: 0 15px 50px rgba(0,0,0,.5);
}

.menu-box h2 {
  font-size: 32px;
  margin-bottom: 15px;
}

.menu-box p {
  color: #d3d8e4;
  line-height: 1.6;
  margin-bottom: 15px;
}

button {
  border: none;
  cursor: pointer;
  font-weight: bold;
}

.menu-box button {
  background: #5865f2;
  color: white;
  padding: 13px 28px;
  border-radius: 10px;
  font-size: 17px;
}

.menu-box button:hover {
  opacity: .85;
}

.controls {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin: 15px 0;
}

.controls button {
  background: #252e43;
  color: white;
  min-width: 70px;
  min-height: 55px;
  border-radius: 12px;
  font-size: 18px;
  touch-action: manipulation;
}

.controls button:active {
  transform: scale(.95);
}

.instructions {
  background: #1b2335;
  padding: 20px;
  border-radius: 15px;
  margin-top: 15px;
  line-height: 1.7;
}

.instructions h2 {
  margin-bottom: 8px;
}

/* Mobile */

@media (max-width: 600px) {

  .game-wrapper {
    padding: 8px;
  }

  .game-header {
    padding: 12px;
  }

  .game-header h1 {
    font-size: 21px;
  }

  .stats {
    gap: 8px;
    font-size: 14px;
  }

  .controls button {
    min-width: 80px;
    min-height: 55px;
  }

  .menu-box h2 {
    font-size: 26px;
  }

}