.main-content{margin-left:var(--sidebar-w);flex:1;min-height:100vh;padding:32px;min-width:0;transition:margin-left .25s}.mobile-header{display:none}.route-loading{display:flex;align-items:center;justify-content:center;gap:10px;padding:40px 0;color:var(--text2);font-size:14px}.route-loading-spin{width:18px;height:18px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:routeLoadSpin .7s linear infinite}@keyframes routeLoadSpin{to{transform:rotate(360deg)}}.page{display:none;animation:fadeIn .3s ease}.page.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.page-header h1{font-size:26px;font-weight:700}.page-header p{color:var(--text2);margin-top:4px;font-size:14px}.bottom-nav{display:none}