body {
  margin: 0;
  background: #1a1a2e;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: Arial, sans-serif;
  color: white;
}

h1 { margin: 10px 0 5px; font-size: 1.4em; }

#hud {
  display: flex;
  gap: 40px;
  font-size: 1.1em;
  margin-bottom: 6px;
}

#arena {
  position: relative;
  width: 400px;
  height: 500px;
  background: #16213e;
  border: 2px solid #0f3460;
  overflow: hidden;
}

#player {
  position: absolute;
  bottom: 10px;
  width: 70px;
  height: 15px;
  background: #e94560;
  border-radius: 4px;
}

.item {
  position: absolute;
  width: 30px;
  height: 30px;
  border-radius: 4px;
}

#overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.75);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

#overlay h2 { margin: 0; font-size: 1.8em; }
#overlay p  { margin: 0; font-size: 1.1em; color: #aaa; }

#overlay button {
  padding: 10px 28px;
  font-size: 1em;
  background: #e94560;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

#overlay button:hover { background: #c73652; }