*{box-sizing:border-box}body{margin:0;font-family:system-ui;background:#0b1220;color:#e5e7eb}.login{max-width:440px;margin:10vh auto;background:#111827;padding:30px;border:1px solid #253149;border-radius:14px}.login input{width:100%;padding:12px;margin:7px 0;background:#0b1220;color:#fff;border:1px solid #334155;border-radius:8px}.btn{padding:11px 15px;border:0;border-radius:8px;background:#2563eb;color:#fff;cursor:pointer}.shell{display:flex;min-height:100vh}.side{width:240px;background:#111827;padding:26px}.main{flex:1;padding:32px}.muted{color:#94a3b8}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.card,.panel{background:#111827;border:1px solid #253149;border-radius:12px;padding:18px}.panel{margin-top:18px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px;border-bottom:1px solid #253149}.error{color:#fca5a5}