body { background-color: #0f1117; color: #e2e8f0; margin: 0; overflow: hidden; font-family: 'Inter', sans-serif; user-select: none; }
        #game-canvas { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; }
        .ui-layer { position: relative; z-index: 10; display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100vh; pointer-events: none; }
        .interactive { pointer-events: auto; }
        .glow-text { text-shadow: 0 0 20px rgba(6, 182, 212, 0.8); }
        .bar-container { width: 200px; height: 8px; background: rgba(0,0,0,0.5); border-radius: 4px; border: 1px solid rgba(34, 211, 238, 0.2); overflow: hidden; margin-top: 8px; }
        #burst-fill { height: 100%; width: 0%; background: linear-gradient(90deg, #22d3ee, #fff); transition: width 0.3s; box-shadow: 0 0 10px #22d3ee; }