* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
}

body {
  background-color: #0f0f1a;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px;
}

h1 {
  font-size: 2.5em;
  color: #00f7ff;
  margin-bottom: 30px;
}

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

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

.cell {
  width: 100px;
  height: 100px;
  background-color: #1c1c2b;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2.5em;
  cursor: pointer;
  border-radius: 10px;
  transition: background-color 0.3s;
}

.cell:hover {
  background-color: #29293d;
}

.info {
  text-align: center;
}

button {
  margin-top: 10px;
  padding: 10px 20px;
  background-color: #00f7ff;
  color: #000;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
  transition: 0.3s;
}

button:hover {
  background-color: #00d0d0;
}