.launch-sidebar-container{color:#fff;box-sizing:border-box;z-index:1000;background:linear-gradient(#1e293b 0%,#334155 100%);border-right:1px solid #475569;flex-direction:column;justify-content:space-between;width:280px;height:100vh;padding:1rem;display:flex;position:fixed;top:0;left:0}.launch-sidebar-header{margin-bottom:2rem}.launch-sidebar-header h2{color:#f1f5f9;margin:0 0 1rem;font-size:1.5rem;font-weight:700}.course-info{background:#ffffff1a;border:1px solid #fff3;border-radius:8px;padding:.75rem}.course-info h3{color:#f8fafc;margin:0 0 .25rem;font-size:1rem;font-weight:600}.subdomain-info{color:#cbd5e1;opacity:.8;margin:0;font-size:.75rem}.launch-sidebar-nav{flex-direction:column;gap:.5rem;display:flex}.nav-item{color:#cbd5e1;border:1px solid #0000;border-radius:8px;align-items:center;gap:.75rem;padding:.75rem 1rem;text-decoration:none;transition:all .2s;display:flex}.nav-item:hover{color:#fff;background:#ffffff1a;border-color:#fff3}.nav-item.active{color:#fff;background:#3b82f64d;border-color:#3b82f680}.launch-sidebar-scroll{scrollbar-width:thin;scrollbar-color:var(--cg-launch-left-scroll-thumb,#475569)transparent}.launch-sidebar-scroll::-webkit-scrollbar{width:1px}.launch-sidebar-scroll::-webkit-scrollbar-track{background:0 0}.launch-sidebar-scroll::-webkit-scrollbar-thumb{background:var(--cg-launch-left-scroll-thumb,#475569);border-radius:1px}.launch-sidebar-scroll::-webkit-scrollbar-thumb:hover{background:var(--cg-launch-left-scroll-thumb,#64748b)}.nav-icon{text-align:center;width:24px;font-size:1.25rem}.nav-label{font-size:.9rem;font-weight:500}.sidebar-footer{border-top:1px solid #ffffff1a;padding-top:1rem}.course-stats{margin-bottom:1rem}.stat-item{color:#cbd5e1;align-items:center;gap:.5rem;padding:.5rem 0;font-size:.85rem;display:flex}.stat-icon{text-align:center;width:20px;font-size:1rem}.stat-text{color:#e2e8f0}.back-to-main{color:#cbd5e1;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:6px;align-items:center;gap:.5rem;padding:.75rem;font-size:.85rem;text-decoration:none;transition:all .2s;display:flex}.back-to-main:hover{color:#fff;background:#ffffff1a;border-color:#fff3}@media (max-width:768px){.launch-sidebar-container{transition:transform .3s;transform:translate(-100%)}.launch-sidebar-container.mobile-open{transform:translate(0)}}