:root {
  --primary-gradient: linear-gradient(to right, #1f1c2c, #928dab);
  --glass-bg: rgba(255, 255, 255, 0.1);
  --neon-x: #ffffff;
  --neon-o: rgba(255, 255, 255, 0.6);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--primary-gradient);
  color: white;
  font-family: "Poppins", sans-serif;
}

.hidden {
  display: none !important;
}

.start-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
  backdrop-filter: blur(5px);
}

.modal-content {
  background-color: var(--glass-bg);
  padding: 40px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.modal-content h2 {
  margin-bottom: 10px;
}

.modal-content input {
  padding: 10px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;

  font-size: 1rem;
}

.modal-content input.invalid {
  border-color: rgba(255, 82, 82, 0.7);
  box-shadow: 0 0 10px rgba(255, 82, 82, 0.5);
}

.cap {
  width: 100%;
  height: 160px;
  background-color: var(--glass-bg);
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  align-items: center;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.modal-content .reset-button {
  background-color: rgba(255, 255, 255, 0.2);
  padding: 15px;
  margin-top: 10px;
}

.cap > *:first-child {
  font-size: 4em;
}

.game-layout {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  padding: 20px;
  align-items: center;
  justify-items: center;
}

.player-card {
  display: flex;
  width: 200px;
  height: auto;
  padding: 20px;
  background-color: var(--glass-bg);
  flex-direction: column;
  align-items: center;
  border-radius: 20px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.player-card.active {
  transform: scale(1.05);
  box-shadow: 0 0 25px rgba(255, 255, 255, 0.5);
  border-color: rgba(255, 255, 255, 0.5);
}

.game-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: 400px;
  background-color: var(--glass-bg);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  padding: 15px;
  gap: 15px;
  border-radius: 20px;
}

.cell {
  aspect-ratio: 1/1;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.096);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 5rem;
  font-weight: 700;
  line-height: 1;
  color: white;
  text-transform: uppercase;
}

.cell:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-5px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.cell.cell-x {
  color: var(--neon-x);
  text-shadow: 0 0 5px #fff, 0 0 20px var(--neon-x);
}

.cell.cell-0 {
  color: var(--neon-0);
  text-shadow: 0 0 5px #fff, 0 0 20px var(--neon-0);
}

.winning-cell {
  border-color: #fff;
  box-shadow: 0 0 10px #fff, 0 0 20px rgba(255, 255, 255, 0.6),
    inset 0 0 20px rgba(255, 255, 255, 0.3);
  z-index: 2;
  animation: scale-win 1.2s infinite alternate;
  will-change: transform;
}

.status-blocks {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 30px;
  gap: 10rem;
  font-size: 1.5rem;
}

#status-message,
.game-score {
  width: 265px;
  padding: 15px;
  background-color: var(--glass-bg);
  text-align: center;
  border-radius: 20px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.reset-button {
  background: none;
  border: none;
  font-family: inherit;
  color: white;
  padding: 10px 25px;
  font-size: 1.2rem;
  cursor: pointer;
  border-radius: 20px;
  background-color: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.reset-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.reset-button:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}
@keyframes scale-win {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.1);
  }
}

@media (max-width: 950px) {
  .game-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .game-board {
    width: 60vw;
    max-width: 400px;
  }

  .player-card {
    width: 60vw;
    max-width: 400px;
  }

  .status-blocks {
    flex-direction: column;
    gap: 20px;
  }
}

@media (max-width: 480px) {
  .cap > *:first-child {
    font-size: 2.8em;
  }

  .cap p {
    padding: 0 15px;
    text-align: center;
    font-size: 0.9rem;
  }

  .game-board,
  .player-card,
  #status-message,
  .game-score {
    width: 90vw;
  }

  .cell {
    font-size: 4rem;
  }
}