body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: #101024;
    font-family: 'Orbitron', Arial, sans-serif;
}
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@600&display=swap');
#gameCanvas {
    display: block;
    background: #1a1d23;
    margin: 0 auto;
    box-shadow: 0 0 32px #03a9f4, 0 0 8px #fff;
}
#gameOver {
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -30%);
    background: rgba(26,29,35,0.97);
    border-radius: 24px;
    padding: 36px 54px;
    box-shadow: 0 4px 32px #03a9f4, 0 0 12px #fff;
    box-shadow: 0 4px 32px #0ff8, 0 0 12px #fff2;
    text-align: center;
    color: #fff;
    border: 2px solid #0ff;
}
#gameOver h1 {
    margin-top: 0;
    font-family: 'Orbitron', Arial, sans-serif;
    color: #0ff;
    text-shadow: 0 0 8px #0ff8;
}
#gameOver button {
    font-size: 1.2em;
    padding: 12px 32px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(90deg, #0ff 0%, #08f 100%);
    color: #101024;
    font-family: 'Orbitron', Arial, sans-serif;
    cursor: pointer;
    box-shadow: 0 0 12px #0ff8;
    transition: background 0.2s, color 0.2s;
}
#gameOver button:hover {
    background: linear-gradient(90deg, #08f 0%, #0ff 100%);
    color: #fff;
}
#mobileControls { display: none; }
@media (max-width: 800px) {
  #mobileControls {
    display: flex;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: rgba(50,50,50,0.5);
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    box-sizing: border-box;
    z-index: 100;
  }
  .control-group { display: flex; gap: 10px; }
  .control-btn {
    width: 60px;
    height: 60px;
    font-size: 2em;
    background: rgba(200,200,200,0.8);
    border: none;
    border-radius: 8px;
    color: #000;
    touch-action: none;
  }
}
@media (min-width: 801px) { #mobileControls { display: none; } }