body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  color: #fff;
  text-align: center;
  background: 
    linear-gradient(rgba(15, 12, 41, 0.6), rgba(48, 43, 99, 0.6)), 
    url("background.jpg") no-repeat center center fixed !important;
  background-size: cover !important;
}



@keyframes gradientBG {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.header {
  padding: 20px;
  text-shadow: 0 0 10px #58a6ff, 0 0 20px #a371f7;
}

.header-logo {
  width: 80px;
  filter: drop-shadow(0 0 10px #58a6ff);
}

#gameArea {
  position: relative;
  margin: 30px auto;
  width: 400px;
  height: 500px;
  border: 3px solid #58a6ff;
  background: rgba(10, 10, 20, 0.85);
  border-radius: 15px;
  box-shadow: 0 0 20px #58a6ff, 0 0 40px #a371f7;
  overflow: hidden;
}

#logo {
  position: absolute;
  top: 0;
  left: 50%;
  width: 50px;
  transform: translateX(-50%);
  filter: drop-shadow(0 0 8px #a371f7);
}

#player {
  position: absolute;
  bottom: 15px;
  left: 175px;
  width: 60px;
  height: 20px;
  background: linear-gradient(90deg, #58a6ff, #a371f7);
  border-radius: 8px;
  box-shadow: 0 0 12px #58a6ff, 0 0 20px #a371f7;
  transition: left 0.1s;
}

.score-box {
  margin-top: 15px;
  font-size: 1.2em;
  text-shadow: 0 0 8px #58a6ff;
}

footer {
  margin-top: 30px;
  font-size: 0.9em;
  color: #ccc;
}