#v54BackBtn:disabled{opacity:.4;cursor:not-allowed}#v53FocusBar .v54-back-btn{background:#eef5f8;border-color:#c9dce5}#v53FocusBar .v54-ai-bar-btn{background:linear-gradient(135deg,#6046c8,#0d8791);color:#fff;border:0}.v54-global-ai{position:fixed;left:18px;bottom:18px;z-index:80;border:0;border-radius:999px;background:linear-gradient(135deg,#6046c8,#0d8791);color:#fff;padding:11px 15px;font-weight:900;box-shadow:0 10px 26px rgba(56,55,143,.25)}@media(max-width:780px){#v53FocusBar .v54-back-btn,#v53FocusBar .v54-ai-bar-btn{padding:7px 8px;font-size:11px}}@media print{#v54BackBtn,#v54AiBarBtn,.v54-global-ai{display:none!important}}