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.timeline-item{position:relative;width:50%;padding:.75rem 2rem;box-sizing:border-box}.ps-document-viewer .timeline-item.left{left:0;padding-right:2.5rem;text-align:right}.ps-document-viewer .timeline-item.right{left:50%;padding-left:2.5rem;text-align:left}.ps-document-viewer .timeline-dot{position:absolute;width:14px;height:14px;background:var(--primary);border:3px solid var(--bg-white);border-radius:50%;top:1.25rem;box-shadow:var(--shadow-sm);z-index:1}.ps-document-viewer .timeline-item.left .timeline-dot{right:-7px}.ps-document-viewer .timeline-item.right .timeline-dot{left:-7px}.ps-document-viewer .timeline-card{background:var(--bg-white);border:1px solid var(--border-secondary);border-radius:var(--radius-md);padding:1rem 1.25rem;box-shadow:var(--shadow-sm);transition:all .2s ease}.ps-document-viewer .timeline-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md)}.ps-document-viewer .timeline-date{font-size:.8rem;font-weight:700;color:var(--primary);margin-bottom:.4rem;text-transform:uppercase;letter-spacing:.05em}.ps-document-viewer .timeline-event{font-size:.9rem;color:var(--text-primary);line-height:1.5}@media (max-width: 600px){.ps-document-viewer .timeline-line{left:20px}.ps-document-viewer .timeline-item{width:100%;padding-left:50px;padding-right:1rem}.ps-document-viewer .timeline-item.left,.ps-document-viewer .timeline-item.right{left:0;text-align:left;padding-left:50px}.ps-document-viewer .timeline-item.left .timeline-dot,.ps-document-viewer .timeline-item.right .timeline-dot{left:13px;right:auto}}.ps-document-viewer .hidden{display:none!important}@media (max-width: 768px){.ps-document-viewer .documents-layout{flex-direction:column}.ps-document-viewer .sidebar{border-right:none;border-bottom:1px solid var(--border-secondary);max-height:250px;width:100%;min-width:100%}.ps-document-viewer .sidebar.collapsed{max-height:48px;width:100%;min-width:100%;border-bottom-color:transparent}.ps-document-viewer .sidebar.collapsed .sidebar-toggle-btn{top:50%;left:50%;right:auto;bottom:auto;transform:translate(-50%,-50%)}.ps-document-viewer .sidebar .sidebar-toggle-btn{top:auto;bottom:-14px;left:50%;right:auto;transform:translate(-50%)}.ps-document-viewer .sidebar .sidebar-toggle-btn:hover{transform:translate(-50%) scale(1.12)}.ps-document-viewer .sidebar .sidebar-toggle-btn:active{transform:translate(-50%) scale(.95)}.ps-document-viewer .element-bar{flex-direction:row;width:100%;border-right:none;border-bottom:1px solid var(--border-secondary);justify-content:center}.ps-document-viewer .hero-title{font-size:2rem}.ps-document-viewer .chat-panel{width:100%;right:-100%}}