*{margin:0;padding:0;box-sizing:border-box}body{width:100%;height:100vh;overflow:hidden}canvas{display:block}#power-ui{position:fixed;left:12px;top:50%;transform:translateY(-50%);width:44px;height:220px;background:#00000059;border:2px solid rgba(255,255,255,.08);border-radius:6px;display:flex;align-items:flex-end;padding:6px;box-shadow:0 6px 18px #0009;z-index:20}#power-fill{width:100%;height:4%;background:linear-gradient(180deg,#6cf,#09f);border-radius:4px;transition:height .05s linear,background .15s linear}.power-over{background:linear-gradient(180deg,#f66,red)!important}#power-label{position:absolute;left:60px;top:50%;transform:translateY(-50%);color:#ddd;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:12px;pointer-events:none}