body {
  margin: 0;
  background: #12121c;
  color: #fff;
  font-family: sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

#hud {
  display: flex;
  gap: 20px;
  font-size: 18px;
  margin-bottom: 10px;
}

#arena {
  width: 800px;
  height: 400px;
  background: linear-gradient(#1c1430, #241a3a);
  border: 2px solid #7d5fff;
  border-radius: 10px;
  position: relative;
  overflow: hidden;
}

#player, .entity {
  width: 40px;
  height: 40px;
  font-size: 30px;
  position: absolute;
  display: flex;
  justify-content: center;
  align-items: center;
}

#player {
  left: 100px;
  top: 320px; /* Лежит на земле */
}

.note { text-shadow: 0 0 10px #ffd25f; }
.obstacle { text-shadow: 0 0 10px #ff5f7a; }

.hidden { display: none; }
#restart-btn { margin-top: 15px; padding: 10px 20px; cursor: pointer; }