@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@600&display=swap');

body {
  margin: 0;
  background: #0f0c29;
  background: linear-gradient(to right, #24243e, #302b63, #0f0c29);
  font-family: 'Orbitron', sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  color: #0ff;
  overflow: hidden;
}

.game-container {
  text-align: center;
}

.game-title {
  font-size: 2.5rem;
  color: #f0f;
  text-shadow: 0 0 10px #f0f, 0 0 20px #0ff;
  margin-bottom: 20px;
}

.player-turn {
  margin: 10px 0;
  font-size: 1.3rem;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { text-shadow: 0 0 5px #0ff; }
  50% { text-shadow: 0 0 15px #0ff, 0 0 25px #0ff; }
  100% { text-shadow: 0 0 5px #0ff; }
}

.board {
  display: grid;
  grid-template-columns: repeat(3, 100px);
  grid-gap: 10px;
  justify-content: center;
  margin: 20px auto;
}

.cell {
  width: 100px;
  height: 100px;
  font-size: 2.5rem;
  background-color: #111;
  border: 2px solid #0ff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s, background 0.3s;
  box-shadow: 0 0 5px #0ff;
}

.cell:hover {
  transform: scale(1.05);
  background: #222;
}

.cell.win {
  background: linear-gradient(45deg, #0ff, #f0f);
  animation: winPulse 0.5s infinite alternate;
}

@keyframes winPulse {
  from { transform: scale(1); box-shadow: 0 0 15px #f0f; }
  to { transform: scale(1.1); box-shadow: 0 0 30px #0ff; }
}

.result {
  font-size: 1.5rem;
  margin: 10px;
  color: #fff;
}

.reset-btn {
  background-color: #0ff;
  color: #111;
  border: none;
  padding: 10px 20px;
  font-size: 1rem;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.3s;
  box-shadow: 0 0 10px #0ff;
}

.reset-btn:hover {
  background-color: #f0f;
  color: #fff;
  box-shadow: 0 0 20px #f0f;
}

.mode-options {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
    margin-top: 50px;
  }
  
  .mode-btn {
    background: transparent;
    border: 2px solid #0ff;
    color: #0ff;
    font-size: 1.2rem;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 15px;
    text-shadow: 0 0 10px #0ff;
    transition: all 0.3s;
    box-shadow: 0 0 15px #0ff;
  }
  
  .mode-btn:hover {
    background-color: #0ff;
    color: #111;
    box-shadow: 0 0 25px #f0f, 0 0 40px #0ff;
  }
  .mode-options {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
    margin-top: 50px;
  }
  
  .mode-btn {
    background: transparent;
    border: 2px solid #0ff;
    color: #0ff;
    font-size: 1.2rem;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 15px;
    text-shadow: 0 0 10px #0ff;
    transition: all 0.3s;
    box-shadow: 0 0 15px #0ff;
  }
  
  .mode-btn:hover {
    background-color: #0ff;
    color: #111;
    box-shadow: 0 0 25px #f0f, 0 0 40px #0ff;
  }

  .scoreboard {
    display: flex;
    justify-content: space-around;
    color: #0ff;
    font-size: 1.1rem;
    text-shadow: 0 0 5px #0ff;
    margin: 10px 0 20px;
  }