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

body {
  font-family: 'Poppins', sans-serif;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
  color: #fff;
}

.container {
  text-align: center;
  padding: 30px;
}

h1 {
  font-size: 2.5em;
  margin-bottom: 15px;
  background: linear-gradient(90deg, #f7971e, #ffd200);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
}

/* Scoreboard */
.scoreboard {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 15px;
}

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

.score-label {
  font-size: 0.85em;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.score-value {
  font-size: 1.8em;
  font-weight: 700;
}

.x-color { color: #00d2ff; }
.o-color { color: #ff6b6b; }
.draw-color { color: #aaa; }

/* Status */
.status {
  font-size: 1.2em;
  margin-bottom: 20px;
  min-height: 30px;
  font-weight: 600;
  color: #ccc;
}

/* Board */
.board {
  display: grid;
  grid-template-columns: repeat(3, 110px);
  grid-template-rows: repeat(3, 110px);
  gap: 8px;
  margin: 0 auto 20px;
  width: fit-content;
}

.cell {
  width: 110px;
  height: 110px;
  background: rgba(255, 255, 255, 0.06);
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-radius: 14px;
  font-size: 3em;
  font-weight: 700;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.cell:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: scale(1.05);
}

.cell.taken {
  cursor: default;
}

.cell.taken:hover {
  transform: none;
  background: rgba(255, 255, 255, 0.06);
}

.cell.x {
  color: #00d2ff;
  text-shadow: 0 0 15px rgba(0, 210, 255, 0.5);
  animation: popIn 0.3s ease;
}

.cell.o {
  color: #ff6b6b;
  text-shadow: 0 0 15px rgba(255, 107, 107, 0.5);
  animation: popIn 0.3s ease;
}

.cell.win-cell {
  animation: winPulse 0.6s ease infinite alternate;
  border-color: #ffd200;
  box-shadow: 0 0 20px rgba(255, 210, 0, 0.4);
}

@keyframes popIn {
  0% { transform: scale(0.3); opacity: 0; }
  60% { transform: scale(1.15); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes winPulse {
  0% { transform: scale(1); }
  100% { transform: scale(1.08); box-shadow: 0 0 30px rgba(255, 210, 0, 0.6); }
}

/* Button */
.btn {
  font-family: 'Poppins', sans-serif;
  font-size: 1em;
  font-weight: 600;
  padding: 12px 28px;
  border: none;
  border-radius: 50px;
  background: linear-gradient(135deg, #f7971e, #ffd200);
  color: #1a1a2e;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 4px 15px rgba(247, 151, 30, 0.3);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(247, 151, 30, 0.5);
}

.btn:active {
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 400px) {
  .board {
    grid-template-columns: repeat(3, 85px);
    grid-template-rows: repeat(3, 85px);
  }
  .cell {
    width: 85px;
    height: 85px;
    font-size: 2.2em;
    border-radius: 10px;
  }
  h1 { font-size: 1.8em; }
}