*{margin:0;padding:0;box-sizing:border-box}.app-shell{display:flex;min-height:100vh}.app-content{flex:1 1;padding:24px}.sidebar{position:relative;left:0;top:0;bottom:0;width:280px;background:#ffffff;border-right:1px solid #e7e5e4;padding:32px 0}.sidebar-header{padding:0 32px 32px;border-bottom:1px solid #f5f5f4;margin-bottom:32px}.nav-section{padding:0 16px;margin-bottom:32px}.nav-label{font-size:10px;font-weight:500;color:#a8a29e;letter-spacing:1.5px;text-transform:uppercase;padding:0 16px;margin-bottom:12px}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:2px;color:#57534e;text-decoration:none;font-size:14px;font-weight:400;transition:all .2s ease;cursor:pointer}.nav-item:hover{background:#fafaf9;color:#1c1917}.nav-item.active{background:#fff7ed;color:#ea580c;font-weight:500}.nav-icon{width:18px;height:18px;flex-shrink:0}