.pdf-page{background:#f5f6f8;padding:20px}.sidebar{background:white;border-radius:10px;overflow:hidden;height:90vh;overflow-y:auto}.sidebar-title{background:#2f3ea8;color:white;padding:12px;font-weight:600}.sidebar-item{padding:12px;border-bottom:1px solid #eee;cursor:pointer;color:#555}.sidebar-item:hover{background:#f3f4ff}.sidebar-item.active{color:#2f3ea8;font-weight:600}.pdf-card{background:white;border-radius:12px;padding:12px;border:1px solid #ddd;text-align:center;transition:.3s}.pdf-card:hover{box-shadow:0 8px 20px rgba(0,0,0,.08);transform:translateY(-4px)}.pdf-image img{width:100%;border-radius:10px}.download-btn,.pdf-title{margin-top:10px;font-weight:600}.download-btn{width:100%;padding:10px;border-radius:8px;border:none;background:#e6783c;color:white;cursor:pointer}.download-btn:hover{background:#d8652c}.right-sidebar img{width:100%;border-radius:10px;margin-bottom:10px}.callback-btn{width:100%;padding:10px;border:none;background:#e6783c;color:white;border-radius:8px;cursor:pointer}