body {
  font-family: 'Arial', sans-serif;
  background: linear-gradient(to right, #ffecd2, #fcb69f);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
}

.game-container {
  background: #fff;
  padding: 20px 30px;
  border-radius: 20px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  width: 350px;
  text-align: center;
}

header h1 {
  margin: 0;
  font-size: 24px;
  color: #333;
}

.score-container {
  margin: 10px 0;
  font-size: 18px;
  font-weight: bold;
}

.game-board {
  display: grid;
  grid-template-columns: repeat(4, 70px);
  grid-gap: 10px;
  justify-content: center;
  margin: 20px 0;
}

.block {
  width: 70px;
  height: 70px;
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.block:hover {
  transform: scale(1.1);
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.controls button {
  padding: 10px 20px;
  border: none;
  border-radius: 10px;
  background: #ff7f50;
  color: white;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.2s;
}

.controls button:hover {
  background: #ff5722;
}

footer p {
  font-size: 12px;
  color: #555;
  margin-top: 15px;
}