.admin-layout{display:flex;min-height:100vh;background:#f5f5f5}.admin-sidebar{width:220px;background:#001529;color:#ffffffd9;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-header{padding:20px 16px;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-header h2{color:#fff;font-size:16px;margin:0}.sidebar-nav{flex:1;padding:12px 0}.sidebar-nav a{display:block;padding:12px 20px;color:#ffffffa6;cursor:pointer;transition:all .2s;text-decoration:none;font-size:14px}.sidebar-nav a:hover{color:#fff;background:#ffffff14}.sidebar-nav a.active{color:#1677ff;background:#1677ff26;border-right:3px solid #1677ff}.sidebar-footer{padding:16px;border-top:1px solid rgba(255,255,255,.1)}.sidebar-footer a{display:block;padding:8px 4px;color:#ffffff73;cursor:pointer;font-size:13px;text-decoration:none}.sidebar-footer a:hover{color:#fff}.admin-main{flex:1;margin-left:220px;padding:24px;min-height:100vh}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2)}.login-card{width:400px;max-width:90vw;border-radius:12px}.theme-card .ant-card-actions{display:flex;align-items:center;justify-content:center}@media(max-width:768px){.admin-sidebar{width:60px;overflow:hidden}.sidebar-header h2,.sidebar-nav a span,.sidebar-footer a{display:none}.sidebar-nav a{text-align:center;padding:12px 8px}.admin-main{margin-left:60px;padding:16px}}