.reading-progress-container{max-height:80vh;overflow-y:auto;overflow-x:hidden}.reading-progress-container::-webkit-scrollbar{width:4px}.reading-progress-container::-webkit-scrollbar-thumb{background:#800080;border-radius:4px}.reading-progress-container::-webkit-scrollbar-track{background:#f3f4f6}.progress-item{font-size:14px;line-height:21px;color:#6B7280;padding-top:8px;padding-bottom:16px;cursor:pointer;transition:color .3s ease,font-weight .3s ease;padding-left:27px;border-left:4px solid #fdf1f8}.progress-item.active{color:#374151;font-weight:700;border-left:3px solid #800080;padding-left:28px}