.sidebar{width:250px;height:100vh;background-color:#f8f9fa;border-right:1px solid #e0e0e0;padding:1rem;position:fixed;left:0;top:0}.sidebar-header{margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid #e0e0e0}.sidebar-header h2{font-size:1.5rem;font-weight:600;color:#333;margin:0}.breadcrumb{background-color:#fff;padding:.5rem .75rem;border-radius:6px;border:1px solid #e0e0e0;margin-bottom:1.5rem;font-size:.875rem}.breadcrumb-item{color:#666}.breadcrumb-separator{color:#999;margin:0 .5rem}.breadcrumb-current{color:#007bff;font-weight:500}.sidebar-nav ul{list-style:none;padding:0;margin:0}.sidebar-nav li{margin-bottom:.5rem}.nav-link{display:block;padding:.75rem 1rem;text-decoration:none;color:#555;border-radius:6px;transition:background-color .2s ease}.nav-link:hover{background-color:#e9ecef;color:#333}.nav-link.active{background-color:#007bff;color:#fff}.dashboard-layout{display:flex;min-height:100vh}.main-content{flex:1;margin-left:250px;padding:2rem;background-color:#fff}@media (max-width:768px){.main-content{margin-left:0;padding:1rem}.sidebar{transform:translateX(-100%)}}