* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #5e60ce, #64dfdf);
  color: #fff;
}

h1 {
  margin-bottom: 10px;
  font-size: 2.5rem;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.status {
  margin-bottom: 20px;
  font-size: 1.2rem;
  background: rgba(255,255,255,0.15);
  padding: 10px 20px;
  border-radius: 10px;
}

.board {
  display: grid;
  grid-template-columns: repeat(3, 100px);
  grid-template-rows: repeat(3, 100px);
  gap: 10px;
  margin-bottom: 20px;
}

.cell {
  background: rgba(255,255,255,0.2);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.cell:hover {
  background: rgba(255,255,255,0.4);
  transform: scale(1.05);
}

.cell.taken {
  cursor: not-allowed;
}

button {
  background: #fff;
  color: #5e60ce;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  transition: 0.2s;
}

button:hover {
  background: #5e60ce;
  color: #fff;
}

footer {
  position: absolute;
  bottom: 15px;
  font-size: 0.9rem;
  opacity: 0.8;
}