.reading-progress-container{max-height:80vh;overflow:hidden auto}.reading-progress-container::-webkit-scrollbar{width:4px}.reading-progress-container::-webkit-scrollbar-thumb{background:purple;border-radius:4px}.reading-progress-container::-webkit-scrollbar-track{background:#f3f4f6}.progress-item{color:#6b7280;cursor:pointer;border-left:4px solid #fdf1f8;padding-top:8px;padding-bottom:16px;padding-left:27px;font-size:14px;line-height:21px;transition:color .3s,font-weight .3s}.progress-item.active{color:#374151;border-left:3px solid purple;padding-left:28px;font-weight:700}