:root{--bg:#070303;--accent:#c00000;--text:#f5e6e6;}
  *{box-sizing:border-box;-webkit-tap-highlight-color:transparent;user-select:none}
  html,body{height:100%;margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,Roboto}
  button{cursor:pointer;user-select:none}
  .wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:12px;gap:8px}
  .card{width:100%;max-width:420px;background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent);border-radius:14px;padding:12px;border:1px solid rgba(255,255,255,0.02);box-shadow:0 10px 30px rgba(0,0,0,0.6)}
  .title{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:4px}
  .title h1{font-size:18px;margin:0;color:var(--accent);letter-spacing:1px}
  .controls-top{display:flex;justify-content:center;gap:8px;margin-bottom:8px}
  .btn-top{flex:1;padding:10px;border-radius:10px;background:var(--accent);border:none;color:#fff;font-weight:700;font-size:14px}
  .board{display:flex;justify-content:center;margin-bottom:6px}
  canvas#game{width:calc(min(380px, 92vw));height:calc(min(640px, 82vh));border-radius:10px;background:linear-gradient(#070101,#120000);display:block;box-shadow:inset 0 0 30px rgba(0,0,0,0.6)}
  .hud{display:flex;justify-content:space-between;margin:8px 6px;font-size:14px}
  .hud div{background:rgba(255,255,255,0.02);padding:8px;border-radius:8px;min-width:80px;text-align:center}
  .controls-wrap{display:flex;flex-direction:column;gap:8px;margin-top:6px}
  .touch-row{display:flex;gap:8px;justify-content:center}
  .touch-btn{flex:1;padding:12px;border-radius:10px;background:#240000;border:1px solid #440000;color:#ffdede;font-weight:700;font-size:16px;min-width:60px}
  #pausedOverlay,#gameOverOverlay{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;z-index:40;pointer-events:none;opacity:0;transition:opacity .18s}
  #pausedOverlay.show,#gameOverOverlay.show{pointer-events:auto;opacity:1}
  .overlay-card{background:rgba(24,0,0,0.94);padding:20px;border-radius:12px;text-align:center;box-shadow:0 20px 50px rgba(0,0,0,0.65);border:1px solid rgba(255,0,0,0.06)}
  .paused-text{font-family:Orbitron,system-ui;color:#ff8080;font-size:40px;text-shadow:0 0 10px #c00000,0 0 20px #ff0000}
  .go-title{font-family:Orbitron;color:#ff6b6b;font-size:30px;margin-bottom:8px}
  @media(min-width:900px){
    .wrap{flex-direction:row;gap:20px;justify-content:center;align-items:flex-start}
    .card{flex-direction:column;width:auto;max-width:480px}
    .board{flex:0 0 auto}
    canvas#game{width:360px;height:720px}
    .controls-wrap{flex:1}
  }