body {
    margin: 0;
    overflow: hidden;
    font-family: "Arial", sans-serif;
    background-color: #000022;
  }
  canvas {
    display: block;
  }
  .ui-element {
    position: absolute;
    color: #00ff88;
    text-shadow: 0 0 10px #00ff88;
    z-index: 1000;
  }
  #game-stats {
    top: 20px;
    left: 20px;
    font-size: 18px;
    background: rgba(0, 0, 34, 0.8);
    padding: 15px;
    border-radius: 10px;
    border: 1px solid #00ff88;
    backdrop-filter: blur(5px);
  }
  #game-stats div {
    margin: 5px 0;
  }
  #powerup-status {
    padding: 5px 10px;
    border-radius: 5px;
    background: rgba(255, 255, 0, 0.2);
    display: none;
    animation: pulse 1s infinite;
  }
  #high-score {
    top: 20px;
    right: 20px;
    font-size: 18px;
    background: rgba(0, 0, 34, 0.8);
    padding: 15px;
    border-radius: 10px;
    border: 1px solid #00ff88;
    backdrop-filter: blur(5px);
  }
  .screen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    background: rgba(0, 0, 34, 0.95);
    padding: 30px;
    border-radius: 15px;
    border: 2px solid #00ff88;
    min-width: 300px;
    display: none;
    z-index: 2000;
    backdrop-filter: blur(10px);
  }
  .screen h1 {
    color: #00ff88;
    font-size: 32px;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
  }
  .screen p {
    color: #00ff88;
    font-size: 18px;
    margin: 10px 0;
    line-height: 1.5;
  }
  .button {
    display: inline-block;
    margin: 10px;
    padding: 12px 24px;
    background: rgba(0, 255, 136, 0.2);
    border: 2px solid #00ff88;
    color: #00ff88;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 18px;
    border-radius: 5px;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
  }
  .button:hover {
    background: rgba(0, 255, 136, 0.4);
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
  }
  .key-control {
    display: inline-block;
    background: rgba(0, 255, 136, 0.2);
    padding: 5px 10px;
    border-radius: 5px;
    margin: 0 5px;
    border: 1px solid #00ff88;
  }
  #level-up {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #00ff88;
    font-size: 32px;
    text-shadow: 0 0 20px #00ff88;
    opacity: 0;
    transition: opacity 0.5s;
    z-index: 1500;
  }
  #combo-counter {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    color: #00ff88;
    text-shadow: 0 0 10px #00ff88;
    text-align: right;
  }
  @keyframes pulse {
    0% {
      transform: scale(1);
    }
    50% {
      transform: scale(1.05);
    }
    100% {
      transform: scale(1);
    }
  }
  .floating {
    animation: float 6s ease-in-out infinite;
  }
  @keyframes float {
    0% {
      transform: translateY(0px);
    }
    50% {
      transform: translateY(-20px);
    }
    100% {
      transform: translateY(0px);
    }
  }
  #pause-screen {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 34, 0.9);
    padding: 20px;
    border-radius: 10px;
    border: 2px solid #00ff88;
    color: #00ff88;
    text-align: center;
    z-index: 2000;
  }
  #pause-button {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 34, 0.8);
    color: #00ff88;
    border: 1px solid #00ff88;
    padding: 5px 15px;
    border-radius: 5px;
    cursor: pointer;
    z-index: 1000;
    display: none;
  }
  .score-popup {
    position: absolute;
    color: #00ff88;
    font-size: 20px;
    pointer-events: none;
    animation: fadeUp 1s forwards;
    text-shadow: 0 0 10px #00ff88;
  }
  @keyframes fadeUp {
    0% {
      transform: translateY(0);
      opacity: 1;
    }
    100% {
      transform: translateY(-50px);
      opacity: 0;
    }
  }