body {
  margin: 0;
  overflow: hidden;
  font-family: Arial, sans-serif;
  background-color: #000;
}
#game-container {
  position: relative;
  width: 100vw;
  height: 100vh;
}
#score-display {
  position: absolute;
  top: 20px;
  left: 20px;
  color: #fff;
  font-size: 24px;
  z-index: 100;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}
#health-display {
  position: absolute;
  top: 20px;
  right: 20px;
  color: #fff;
  font-size: 24px;
  z-index: 100;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}
#game-over {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 48px;
  text-align: center;
  z-index: 100;
  display: none;
  text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.8);
}
#start-screen {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 200;
}
#title {
  color: #9c27b0;
  font-size: 60px;
  margin-bottom: 40px;
  text-shadow: 0 0 10px #4a148c, 0 0 20px #7b1fa2;
  letter-spacing: 2px;
}
#play-button {
  padding: 15px 40px;
  font-size: 24px;
  background-color: #4a148c;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.3s;
}
#play-button:hover {
  background-color: #7b1fa2;
  transform: scale(1.1);
  box-shadow: 0 0 15px #9c27b0;
}
.health-bar {
  background: rgba(255, 0, 0, 0.5);
  width: 200px;
  height: 20px;
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  margin-top: 5px;
}
.health-fill {
  background: #ff0000;
  height: 100%;
  width: 100%;
  transition: width 0.3s;
  border-radius: 10px;
}