@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Rajdhani:wght@300;500;700&display=swap');

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

  body {
    background: #0a0a0f;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-family: 'Rajdhani', sans-serif;
    overflow: hidden;
    touch-action: none;
  }

  #gameWrapper {
    position: relative;
    width: min(480px, 100vw);
    height: min(700px, 100vh);
  }

  canvas {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 12px;
    box-shadow: 0 0 60px rgba(0,200,255,0.3), 0 0 120px rgba(0,100,255,0.1);
  }

  #ui {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    pointer-events: none;
  }

  #scoreBar {
    position: absolute;
    top: 14px; left: 16px; right: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    pointer-events: none;
  }

  .stat-box {
    background: rgba(0,0,0,0.55);
    border: 1px solid rgba(0,200,255,0.3);
    border-radius: 8px;
    padding: 5px 12px;
    text-align: center;
  }
  .stat-label {
    font-family: 'Orbitron', monospace;
    font-size: 9px;
    color: rgba(0,200,255,0.7);
    letter-spacing: 2px;
    text-transform: uppercase;
  }
  .stat-value {
    font-family: 'Orbitron', monospace;
    font-size: 15px;
    color: #fff;
    font-weight: 700;
  }
  .stat-value.coin { color: #FFD700; }

  #powerupBar {
    position: absolute;
    bottom: 80px; left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    pointer-events: none;
  }

  .pup-icon {
    width: 36px; height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    background: rgba(0,0,0,0.6);
    border: 2px solid rgba(255,255,255,0.2);
    opacity: 0.3;
    transition: all 0.3s;
  }
  .pup-icon.active {
    opacity: 1;
    border-color: #FFD700;
    box-shadow: 0 0 12px rgba(255,215,0,0.6);
    animation: pulse 0.8s infinite alternate;
  }
  @keyframes pulse { from { transform: scale(1); } to { transform: scale(1.15); } }

  /* SCREENS */
  .screen {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    pointer-events: all;
  }

  #startScreen {
    background: linear-gradient(160deg, #020818 0%, #071830 50%, #020c18 100%);
  }

  .game-title {
    font-family: 'Orbitron', monospace;
    font-size: 30px;
    font-weight: 900;
    color: #fff;
    text-align: center;
    letter-spacing: 2px;
    line-height: 1.2;
    margin-bottom: 6px;
    text-shadow: 0 0 30px rgba(0,200,255,0.8);
  }
  .game-title span { color: #00C8FF; display: block; font-size: 44px; }
  .tagline {
    font-size: 13px;
    color: rgba(0,200,255,0.6);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 40px;
  }

  .train-anim {
    font-size: 56px;
    margin-bottom: 30px;
    animation: trainBounce 1s infinite;
  }
  @keyframes trainBounce {
    0%,100% { transform: translateY(0) scaleX(1); }
    50% { transform: translateY(-8px) scaleX(1.05); }
  }

  .controls-box {
    background: rgba(0,200,255,0.06);
    border: 1px solid rgba(0,200,255,0.2);
    border-radius: 12px;
    padding: 16px 28px;
    margin-bottom: 32px;
    text-align: center;
    width: 320px;
  }
  .controls-title {
    font-family: 'Orbitron', monospace;
    font-size: 10px;
    color: rgba(0,200,255,0.7);
    letter-spacing: 3px;
    margin-bottom: 12px;
  }
  .ctrl-row {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 8px;
  }
  .ctrl-key {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 12px;
    color: #fff;
  }

  .btn {
    font-family: 'Orbitron', monospace;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 3px;
    padding: 14px 48px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
  }
  .btn-primary {
    background: linear-gradient(135deg, #0066FF, #00C8FF);
    color: #fff;
    box-shadow: 0 0 30px rgba(0,150,255,0.5);
  }
  .btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 0 50px rgba(0,200,255,0.7);
  }
  .btn-secondary {
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.8);
    border: 1px solid rgba(255,255,255,0.2);
    margin-top: 14px;
  }
  .btn-secondary:hover { background: rgba(255,255,255,0.14); }

  #gameOverScreen {
    background: linear-gradient(160deg, #0a0005 0%, #1a0010 50%, #0a0005 100%);
  }
  .go-title {
    font-family: 'Orbitron', monospace;
    font-size: 38px;
    font-weight: 900;
    color: #FF3366;
    text-shadow: 0 0 40px rgba(255,50,100,0.8);
    margin-bottom: 4px;
    animation: goShake 0.5s ease-out;
  }
  @keyframes goShake {
    0%,100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-5px); }
    80% { transform: translateX(5px); }
  }
  .go-sub {
    font-size: 13px;
    color: rgba(255,50,100,0.5);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 36px;
  }

  .results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 36px;
    width: 300px;
  }
  .result-item {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    padding: 12px;
    text-align: center;
  }
  .result-item.best { border-color: rgba(255,215,0,0.4); background: rgba(255,215,0,0.05); }
  .result-label {
    font-size: 9px;
    color: rgba(255,255,255,0.4);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 4px;
  }
  .result-label.gold { color: rgba(255,215,0,0.7); }
  .result-num {
    font-family: 'Orbitron', monospace;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
  }
  .result-num.gold { color: #FFD700; }

  .hidden { display: none !important; }

  /* Mobile touch buttons */
  #mobileControls {
    position: absolute;
    bottom: 10px;
    left: 0; right: 0;
    display: flex;
    justify-content: space-between;
    padding: 0 16px;
    pointer-events: all;
  }
  .mob-btn {
    width: 70px; height: 50px;
    background: rgba(0,200,255,0.15);
    border: 1px solid rgba(0,200,255,0.3);
    border-radius: 10px;
    font-size: 22px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
  }
  .mob-btn:active { background: rgba(0,200,255,0.35); }

  #particles {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    pointer-events: none;
    border-radius: 12px;
    overflow: hidden;
  }
  .star {
    position: absolute;
    width: 2px; height: 2px;
    background: #fff;
    border-radius: 50%;
    opacity: 0.4;
  }