body {
    background: #181818;
    color: #fff;
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
}

h1 {
    margin: 20px 0 10px 0;
    letter-spacing: 1px;
}

.controls {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #202020;
  border: 1px solid #2e2e2e;
  padding: 8px 12px;
  border-radius: 8px;
}

.controls label { font-size: 14px; color: #ddd; }
.controls select { 
  background: #181818; color: #fff; border: 1px solid #444; 
  border-radius: 6px; padding: 4px 6px;
}
.controls .mute-label { display: inline-flex; align-items: center; gap: 6px; }
.icon-gear { margin-right: 6px; }

.btn {
  background: #2d2d2d;
  border: 1px solid #444;
  color: #fff;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
}
.btn:hover { background: #333; }
.btn.primary { background: #3e59ff; border-color: #3e59ff; }
.btn.primary:hover { filter: brightness(1.05); }

#pongCanvas {
    display: block;
    margin: 0 auto;
    background: #222;
    border: 2px solid #fff;
    border-radius: 10px;
    box-shadow: 0 0 20px #000a;
    max-width: 95vw; /* responsive scale */
    height: auto; /* keep aspect ratio */
}

.hud {
  display: flex;
  gap: 28px;
  align-items: center;
  justify-content: center;
  margin: 8px 0 6px;
  color: #ddd;
  font-size: 14px;
}
.hud .hud-side { display: inline-flex; gap: 8px; align-items: center; }
.pips { display: inline-flex; gap: 6px; }
.pip {
  width: 10px; height: 10px; border-radius: 50%;
  border: 1px solid #666; background: #2a2a2a;
}
.pip.on { background: #3e59ff; border-color: #5c72ff; box-shadow: 0 0 8px #3e59ff66; }

.hud-sub {
  color: #bbb;
  font-size: 12px;
  margin-bottom: 8px;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: grid;
  place-items: center;
  z-index: 1000;
}
.modal-overlay[hidden] { display: none !important; }
.modal {
  width: min(92vw, 420px);
  background: #202020;
  border: 1px solid #2e2e2e;
  border-radius: 12px;
  padding: 16px;
  text-align: left;
  color: #eee;
}
.modal h2 { margin: 0 0 12px; font-size: 18px; }
.modal .field { display: grid; gap: 6px; margin: 10px 0; }
.modal .actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 12px; }

@media (max-width: 480px) {
  h1 { font-size: 18px; margin: 12px 0 8px; }
  #pongCanvas { border-radius: 8px; border-width: 1.5px; }
}