:root{--hud-bg:rgba(0,0,0,0.35);--accent:#10b981}
  html,body{height:100%;margin:0;background:#000;font-family:Inter,system-ui,Arial;color:#fff;-webkit-tap-highlight-color:transparent}
  #app{position:fixed;inset:0;display:flex;align-items:center;justify-content:center}
  canvas{display:block;width:100vw;height:100vh;background:#0b2b18}

  .hudTop{position:fixed;top:10px;left:12px;right:12px;display:flex;justify-content:space-between;align-items:center;pointer-events:none;z-index:40}
  .panel{pointer-events:auto;background:var(--hud-bg);backdrop-filter:blur(6px);padding:8px 12px;border-radius:12px;display:flex;gap:10px;align-items:center}
  .scoreBig{font-weight:800;font-size:16px}
  .small{font-size:12px;opacity:.9}
  .btn{background:#0b84ff;border-radius:10px;padding:6px 10px;font-weight:700;color:white;box-shadow:0 6px 18px rgba(11,132,255,.12);border:none}

  .touchOverlay{position:fixed;left:0;right:0;bottom:6px;display:flex;justify-content:space-between;padding:14px 18px;gap:12px;z-index:30}
  .pad{flex:1;min-height:86px;border-radius:14px;background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,.01));display:flex;align-items:center;justify-content:center;font-weight:900;font-size:28px;pointer-events:auto}

  .menu{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;z-index:45}
  .card{background:#071023;padding:18px;border-radius:12px;max-width:94%;width:420px;text-align:center;box-shadow:0 10px 40px rgba(0,0,0,.6)}
  .play{background:var(--accent);padding:12px 18px;border-radius:10px;color:white;font-weight:800;display:inline-block}

  .rotateWarn{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(0,0,0,0.85);z-index:60}
  .rotateWarn .msg{color:#fff;padding:18px;background:#111;border-radius:12px;text-align:center}

  .modal{position:fixed;left:12px;right:12px;top:60px;max-width:900px;margin:0 auto;border-radius:12px;padding:12px;background:rgba(6,7,10,0.95);display:none;color:#fff;z-index:50}
  .leaderItem{display:flex;justify-content:space-between;padding:8px;border-bottom:1px solid rgba(255,255,255,0.04)}

  .authModal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:linear-gradient(180deg,rgba(0,0,0,0.6),rgba(0,0,0,0.2));z-index:70}
  .authCard{background:#041022;padding:16px;border-radius:12px;width:94%;max-width:420px}
  .field{width:100%;padding:10px;border-radius:8px;border:1px solid rgba(255,255,255,0.06);margin-top:8px;background:transparent;color:#fff}

  @media (min-width:800px){ canvas{height:90vh;width:540px} }