.collapse-content{max-height:0;overflow:hidden;transition:max-height .3s ease-out}.collapse-toggle:checked~.collapse-content{max-height:500px}.collapse-arrow{transition:transform .3s ease}.collapse-toggle:checked~.collapse-label .collapse-arrow{transform:rotate(180deg)}.sidebar-link{display:flex;align-items:center;text-decoration:none;transition:all .2s cubic-bezier(.4,0,.2,1);border-radius:8px;margin:1px 0}.sidebar-link:hover{background-color:#f1f5f9;transform:translateX(4px)}.sidebar-link.active{background-color:#eff6ff!important;color:#2563eb!important;font-weight:600}.sidebar-link.active:before{content:"";position:absolute;left:0;height:20px;width:4px;background-color:#3b82f6;border-radius:0 4px 4px 0}.sidebar-link.active:hover{background-color:#dbeafe!important}