*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f3f5f7;color:#1f2933}.layout{display:flex;min-height:100vh}.sidebar{width:245px;background:#1f2937;color:#fff;padding:22px 16px;position:fixed;top:0;bottom:0;left:0}.brand{font-size:22px;font-weight:700;line-height:1.2}.sub{color:#cbd5e1;margin:6px 0 24px}.sidebar nav a{display:block;color:#e5e7eb;text-decoration:none;padding:11px 12px;border-radius:8px;margin:4px 0}.sidebar nav a:hover,.sidebar nav a.active{background:#334155}.loginbox{position:absolute;bottom:20px;color:#cbd5e1;font-size:14px}.loginbox a{color:#fff}.content{margin-left:245px;padding:28px;width:calc(100% - 245px)}header{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:20px 24px;margin-bottom:22px}h1{margin:0 0 8px;font-size:28px}h2{margin:0 0 16px;font-size:21px}.cards{display:grid;grid-template-columns:repeat(6,minmax(130px,1fr));gap:14px;margin-bottom:20px}.card,.panel{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:18px;box-shadow:0 1px 2px rgba(0,0,0,.03)}.card b{display:block;font-size:30px;margin-bottom:6px}.card span{color:#64748b}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.table-wrap{overflow:auto;border:1px solid #e5e7eb;border-radius:10px}table{border-collapse:collapse;width:100%;font-size:14px;background:#fff}th,td{padding:10px 12px;border-bottom:1px solid #e5e7eb;text-align:left;vertical-align:top}th{background:#f8fafc;font-weight:700;color:#334155;white-space:nowrap}tr:hover td{background:#f8fafc}.filters{display:flex;gap:10px;background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:14px;margin-bottom:18px;align-items:center;flex-wrap:wrap}input,select,button{font:inherit;padding:10px 12px;border:1px solid #cbd5e1;border-radius:8px;background:#fff}button{background:#2563eb;color:white;border-color:#2563eb;cursor:pointer}button:hover{background:#1d4ed8}.query-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.query-tabs a{background:#fff;border:1px solid #cbd5e1;border-radius:8px;padding:9px 12px;color:#334155;text-decoration:none}.query-tabs a.active{background:#2563eb;color:#fff;border-color:#2563eb}.sql{background:#0f172a;color:#dbeafe;padding:16px;border-radius:12px;overflow:auto;white-space:pre-wrap;font-family:Consolas,Monaco,monospace;font-size:13px}.sql.small{max-height:460px}.diagram{max-width:100%;background:#fff;border:1px solid #e2e8f0;border-radius:10px}.empty{padding:14px;background:#fff7ed;border:1px solid #fed7aa;border-radius:10px}.alert{padding:12px 14px;background:#fee2e2;border:1px solid #fca5a5;border-radius:10px;margin-bottom:12px}.success{padding:12px 14px;background:#dcfce7;border:1px solid #86efac;border-radius:10px;margin-bottom:12px}.form{display:grid;gap:12px}.form label{display:grid;gap:5px;color:#475569}.login-page{min-height:100vh;display:grid;place-items:center;background:#e2e8f0}.login-form{width:360px;background:#fff;border-radius:16px;border:1px solid #cbd5e1;padding:26px;box-shadow:0 8px 30px rgba(15,23,42,.08)}.login-form h1{font-size:24px}.login-form label{display:grid;gap:6px;margin:14px 0;color:#475569}.login-form button{width:100%;margin-top:10px}@media(max-width:1050px){.cards{grid-template-columns:repeat(3,1fr)}.grid{grid-template-columns:1fr}.sidebar{position:static;width:100%;height:auto}.layout{display:block}.content{margin-left:0;width:100%;padding:16px}}