.BackToTop_button__HoIeu{position:fixed;bottom:2rem;right:2rem;width:44px;height:44px;border-radius:50%;border:1px solid var(--border-warm);background:var(--bg-card);color:var(--accent-text);font-size:1.1rem;cursor:pointer;opacity:0;transform:translateY(10px);pointer-events:none;transition:opacity .3s,transform .3s,border-color .3s;z-index:1000}.BackToTop_visible__dVDXB{opacity:1;transform:translateY(0);pointer-events:auto}.BackToTop_button__HoIeu:hover{border-color:var(--accent-gold)}.ReadingProgress_track__2w7hH{position:fixed;top:0;left:0;right:0;height:2px;z-index:1001;background:transparent;pointer-events:none}.ReadingProgress_bar__7J0K9{height:100%;width:0;background:var(--gradient-warm)}