body {
  background: #000;
  min-height: 100vh;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 320px;
  width: 100vw;
  height: 100vh;
}

.score-container {
  color: #ffcc00;
  font-size: 2rem;
  margin-bottom: 24px;
  background: rgba(0,0,0,0.85);
  border-radius: 16px;
  padding: 8px 32px;
  box-shadow: 0 2px 16px 0 rgba(255,0,0,0.15);
  letter-spacing: 2px;
  transition: transform 0.2s cubic-bezier(.4,2,.6,1), box-shadow 0.2s;
}

.score-container.animated {
  transform: scale(1.12);
  box-shadow: 0 2px 32px 0 rgba(255,0,0,0.35);
}

.game-box {
  background: #222325;
  border-radius: 24px;
  box-shadow: 0 8px 40px 0 rgba(255,0,0,0.12), 0 1.5px 8px 0 #000;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#gameCanvas {
  background: #000;
  border-radius: 16px;
  box-shadow: 0 0 32px 0 rgba(255,0,0,0.18);
  display: block;
  margin: 0 auto;
  width: 90vw;
  max-width: 420px;
  height: 90vw;
  max-height: 420px;
  outline: none;
}

@media (max-width: 600px) {
  .score-container {
    font-size: 1.2rem;
    padding: 6px 16px;
  }
  .game-box {
    padding: 8px;
    border-radius: 12px;
  }
  #gameCanvas {
    border-radius: 8px;
  }
}