:root {
  --bg-dark: #0b1329;
  --card-bg: rgba(23, 32, 54, 0.9);
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-purple: #a855f7;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  overflow: hidden;
}

#stage {
  --stage-w: 430px;
  --stage-h: 745px;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at 50% 20%, #1e1b4b 0%, #0b1329 100%);
  padding: 12px;
  box-sizing: border-box;
}

/* HUD Bar */
.hud-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border-radius: 16px;
  padding: 10px 16px;
  margin-bottom: 12px;
}

.hud-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 0.95rem;
}

.level-badge {
  background: linear-gradient(135deg, var(--accent-purple), #6366f1);
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  font-weight: 800;
}