*{box-sizing:border-box}body{margin:0;background:#f4f7fb;color:#172033}.app-shell{min-height:100vh}.sider{border-right:1px solid #e9edf3;position:relative}.brand{height:72px;display:flex;align-items:center;gap:12px;padding:0 22px}.brand-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#1769e0,#42a5ff);display:grid;place-items:center;color:#fff;font-weight:800;box-shadow:0 8px 18px #1769e040}.brand b{display:block}.brand small,.sider-foot small{display:block;font-size:10px;color:#9099a8;letter-spacing:1px}.sider .ant-menu{border:0;padding:8px}.sider-foot{position:absolute;bottom:18px;left:16px;right:16px;padding:13px;background:#f6f8fb;border-radius:12px;display:flex;gap:10px;align-items:center}.sider-foot div:nth-child(2){flex:1}.topbar{height:72px;background:#fff;border-bottom:1px solid #e9edf3;display:flex;align-items:center;justify-content:space-between;padding:0 30px}.topbar h4{margin:0}.online-dot{display:inline-block;width:8px;height:8px;background:#26bd71;border-radius:50%}.content{padding:28px 32px}.page-title{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:22px}.page-title h2{margin:0 0 5px}.muted{color:#7d8796}.panel{background:#fff;border:1px solid #e9edf3;border-radius:14px;box-shadow:0 4px 14px #1728490a;padding:20px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}.stat-card{background:#fff;border:1px solid #e9edf3;border-radius:14px;padding:18px}.stat-card strong{font-size:28px;display:block;margin-top:8px}.login-page{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr;background:#fff}.login-visual{background:linear-gradient(145deg,#102b58,#1769e0);color:#fff;padding:10vw 8vw;position:relative;overflow:hidden}.login-visual:after{content:"";position:absolute;width:500px;height:500px;border:80px solid #ffffff10;border-radius:50%;right:-200px;bottom:-160px}.login-visual h1{font-size:44px;line-height:1.2;max-width:520px}.login-visual p{font-size:17px;opacity:.75;max-width:500px;line-height:1.8}.login-box{display:grid;place-items:center}.login-card{width:380px}.login-card h2{font-size:30px;margin-bottom:6px}.ant-table-wrapper{margin-top:18px}@media(max-width:900px){.login-page{grid-template-columns:1fr}.login-visual,.sider{display:none}.stats{grid-template-columns:repeat(2,1fr)}.content{padding:18px}.topbar{padding:0 18px}}