:root{--bg: #f4f7fb;--card: #ffffff;--line: #d9e1ea;--text: #1f2a37;--muted: #5a6b7d;--brand: #0f62fe;--danger: #d7263d;--ok: #1f9d55}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#f7f9fc,#eef3f9);color:var(--text);font-family:Segoe UI,system-ui,-apple-system,sans-serif}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(900px 450px at 90% -10%,rgba(15,98,254,.15),transparent 60%),radial-gradient(700px 400px at -20% 120%,rgba(31,157,85,.12),transparent 60%),linear-gradient(180deg,#f7f9fc,#edf3fb)}.login-card{width:100%;max-width:520px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:0 18px 45px #0f1c3724}.login-card h1{margin:0 0 6px;font-size:30px}.login-card p{margin:0 0 16px;color:var(--muted)}.topbar{padding:20px 24px;background:#0b1320;color:#fff;border-bottom:3px solid #1f314f}.topbar h1{margin:0 0 8px;font-size:24px}.topbar p{margin:0;color:#c3cfdf}.container{padding:20px;display:grid;gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;box-shadow:0 6px 20px #1428500f}.card h2{margin:0 0 12px;font-size:18px}.card h3{margin:8px 0;font-size:14px;color:var(--muted)}.grid-two{display:grid;grid-template-columns:1fr;gap:16px}@media (min-width: 1080px){.grid-two{grid-template-columns:1fr 1fr}}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.row.spread{justify-content:space-between}input,select,textarea,button{font:inherit}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px;background:#fff}textarea{min-height:100px;resize:vertical}button{border:0;border-radius:8px;background:var(--brand);color:#fff;padding:10px 14px;cursor:pointer}button.secondary{background:#334155}button.warn{background:var(--danger)}button:disabled{opacity:.6;cursor:not-allowed}.form-grid{display:grid;gap:10px}.inline-settings{margin-top:12px;grid-template-columns:1fr auto;align-items:end}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:10px}table{width:100%;border-collapse:collapse;min-width:560px}th,td{text-align:left;padding:10px;border-bottom:1px solid #eef2f6}th{background:#f8fafc;color:#39495c;font-weight:600}.badge{display:inline-block;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:600}.badge.ok{background:#e9f9ef;color:var(--ok)}.badge.off{background:#feecef;color:var(--danger)}.json-box{background:#0f172a;color:#d7e6ff;border-radius:10px;padding:10px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;overflow:auto}.flash{border-radius:8px;padding:10px;font-size:13px}.flash.ok{background:#e8f8ef;color:#14663c;border:1px solid #b8e7cd}.flash.err{background:#fdecef;color:#8f1d2e;border:1px solid #f3c2cb}.tab-head{display:flex;gap:8px;flex-wrap:wrap}.tab-head button{background:#334155}.tab-head button.active{background:var(--brand)}small.muted{color:var(--muted)}