body {
  margin: 0;
  background: #0a0a0a;
  color: white;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

#app {
  text-align: center;
}

.battleground {
  display: flex;
  gap: 80px;
  margin-top: 40px;
}

.side {
  display: flex;
  flex-direction: column;
  align-items: center;
}

button {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: none;
  font-weight: bold;
  font-size: 1.2rem;
  cursor: pointer;
  transition: 0.3s;
  color: white;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

#redBtn {
  background: radial-gradient(#ff4b2b, #b22222);
  box-shadow: 0 0 30px rgba(255, 75, 43, 0.4);
}
#blueBtn {
  background: radial-gradient(#0072ff, #00c6ff);
  box-shadow: 0 0 30px rgba(0, 114, 255, 0.4);
}

button:hover {
  transform: scale(1.1);
  filter: brightness(1.3);
}

.counter {
  margin-top: 20px;
  font-size: 1.5rem;
  font-family: monospace;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  justify-content: center;
  align-items: center;
}
/* РЎС‚РёР»Рё РёРјРµРЅРЅРѕ РґР»СЏ РєРЅРѕРїРєРё РІРЅСѓС‚СЂРё РјРѕРґР°Р»РєРё */
.modal-content button {
  background-color: #333; /* Р¦РІРµС‚ С„РѕРЅР° РєРЅРѕРїРєРё */
  color: #ff4b2b; /* Р¦Р’Р•Рў РўР•РљРЎРўРђ (СЃРµР№С‡Р°СЃ РєСЂР°СЃРЅС‹Р№) */
  padding: 10px 20px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  margin-top: 20px;
  font-weight: bold;
}

.modal-content button:hover {
  color: white; /* Р¦РІРµС‚ С‚РµРєСЃС‚Р° РїСЂРё РЅР°РІРµРґРµРЅРёРё */
  background-color: #000;
}
.hidden {
  display: none;
  color: red;
}

.modal-content {
  background: #eee;
  color: #111;
  padding: 40px;
  border-radius: 20px;
  text-align: center;
  max-width: 300px;
}

#qr-code img {
  width: 200px;
  margin: 20px 0;
}
