:root{
  --bg:#0b0d12; --bg-2:#11141c; --panel:#151925; --panel-2:#1b2130;
  --border:#232a3a; --border-2:#2e3750; --text:#e7ebf3; --muted:#8c96ad;
  --accent:#5b8cff; --accent-2:#8a6cff; --good:#37d67a; --warn:#ffb020; --bad:#ff5c72;
  --radius:14px; --shadow:0 8px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:
  radial-gradient(1200px 600px at 80% -10%, #1a2038 0, transparent 60%),
  radial-gradient(900px 500px at -10% 110%, #191233 0, transparent 55%), var(--bg);
  color:var(--text);font-size:14px;line-height:1.5}
a{color:var(--accent);text-decoration:none}
.layout{display:flex;min-height:100vh}
.sidebar{width:236px;flex:0 0 236px;padding:22px 16px;border-right:1px solid var(--border);
  background:linear-gradient(180deg,rgba(255,255,255,.02),transparent);position:sticky;top:0;height:100vh;
  display:flex;flex-direction:column}
.brand{display:flex;gap:12px;align-items:center;margin-bottom:26px}
.brand-mark{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-weight:800;
  color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 6px 18px rgba(91,140,255,.4)}
.brand-name{font-weight:700;font-size:16px}.brand-sub{font-size:11px;color:var(--muted)}
nav{display:flex;flex-direction:column;gap:4px}
.nav-link{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;color:var(--muted);
  font-weight:600;transition:.18s;position:relative}
.nav-link:hover{background:var(--panel);color:var(--text)}
.nav-link.active{background:linear-gradient(90deg,rgba(91,140,255,.16),rgba(138,108,255,.06));color:#fff}
.nav-dot{width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.5}
.nav-link.active .nav-dot{opacity:1;box-shadow:0 0 10px var(--accent)}
.sidebar-foot{margin-top:auto;font-size:12px;color:var(--muted);display:flex;align-items:center;gap:8px;padding-top:14px}
.conn-dot{width:9px;height:9px;border-radius:50%;background:var(--muted);transition:.3s}
.conn-dot.ok{background:var(--good);box-shadow:0 0 8px var(--good)}
.conn-dot.bad{background:var(--bad);box-shadow:0 0 8px var(--bad)}
.content{flex:1;min-width:0;padding:26px 34px 60px}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.topbar h1{font-size:22px;font-weight:700;margin:0}
.topbar-actions{display:flex;gap:10px;align-items:center}
.fade-in{animation:fade .4s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
/* cards + stats */
.grid{display:grid;gap:16px}
.stats{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));margin-bottom:20px}
.card{background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--border);
  border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);transition:.2s}
.card:hover{border-color:var(--border-2);transform:translateY(-2px)}
.stat .label{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.stat .value{font-size:30px;font-weight:750;margin-top:6px;background:linear-gradient(135deg,#fff,#9fb4ff);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat .sub{font-size:12px;color:var(--muted);margin-top:2px}
/* toolbar */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.spacer{flex:1}
/* controls */
input,select,textarea,button{font-family:inherit;font-size:13px;color:var(--text);background:var(--bg-2);
  border:1px solid var(--border);border-radius:9px;padding:8px 11px;transition:.15s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(91,140,255,.15)}
textarea{width:100%;min-height:80px;resize:vertical;font-family:ui-monospace,monospace}
button{cursor:pointer;font-weight:650;border:1px solid var(--border-2)}
button:hover{border-color:var(--accent)}
button.primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));border:none;color:#fff;
  box-shadow:0 4px 14px rgba(91,140,255,.35)}
button.primary:hover{filter:brightness(1.08)}
button.danger{background:rgba(255,92,114,.12);border-color:rgba(255,92,114,.4);color:var(--bad)}
button.ghost{background:transparent}
button.sm{padding:5px 9px;font-size:12px}
label.field{display:block;margin-bottom:14px}
label.field .lbl{font-weight:650;margin-bottom:3px;display:block}
label.field .hlp{font-size:12px;color:var(--muted);margin-bottom:7px}
/* toggle */
.switch{position:relative;display:inline-block;width:44px;height:24px}
.switch input{display:none}
.slider{position:absolute;inset:0;background:var(--border-2);border-radius:24px;transition:.2s;cursor:pointer}
.slider:before{content:"";position:absolute;height:18px;width:18px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked+.slider{background:linear-gradient(135deg,var(--accent),var(--accent-2))}
.switch input:checked+.slider:before{transform:translateX(20px)}
/* table */
.tbl-wrap{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--panel)}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--border)}
th{background:var(--bg-2);color:var(--muted);font-size:11px;letter-spacing:.05em;text-transform:uppercase;position:sticky;top:0}
tbody tr{transition:.12s}
tbody tr:hover{background:rgba(91,140,255,.06)}
tbody tr:last-child td{border-bottom:none}
code,.mono{font-family:ui-monospace,SFMono-Regular,monospace;font-size:12px;background:var(--bg-2);
  padding:2px 6px;border-radius:5px}
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:20px;font-size:11px;font-weight:650}
.badge.ready{background:rgba(55,214,122,.14);color:var(--good)}
.badge.error{background:rgba(255,92,114,.14);color:var(--bad)}
.badge.info{background:rgba(91,140,255,.14);color:var(--accent)}
.badge.warn{background:rgba(255,176,32,.14);color:var(--warn)}
.badge.debug{background:rgba(140,150,173,.14);color:var(--muted)}
.pill{padding:2px 8px;border-radius:20px;background:var(--bg-2);border:1px solid var(--border);font-size:11px;margin:2px}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block}
.dot.good{background:var(--good)}.dot.bad{background:var(--bad)}
/* tabs */
.tabs{display:flex;gap:4px;background:var(--bg-2);padding:4px;border-radius:11px;width:fit-content;margin-bottom:16px}
.tab{padding:7px 16px;border-radius:8px;cursor:pointer;color:var(--muted);font-weight:650;transition:.15s}
.tab.active{background:var(--panel);color:#fff;box-shadow:var(--shadow)}
/* chart */
.chart-box{position:relative;height:340px}
/* skeleton */
.skel{background:linear-gradient(90deg,var(--panel) 25%,var(--panel-2) 37%,var(--panel) 63%);
  background-size:400% 100%;animation:shimmer 1.3s infinite;border-radius:8px;height:14px;margin:8px 0}
@keyframes shimmer{0%{background-position:100% 0}100%{background-position:-100% 0}}
.empty{padding:40px;text-align:center;color:var(--muted)}
/* settings groups */
.settings-group{margin-bottom:18px}
.settings-group h3{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);margin:0 0 12px}
.multiselect{max-height:180px;overflow:auto;border:1px solid var(--border);border-radius:9px;padding:8px;background:var(--bg-2)}
.multiselect label{display:block;padding:4px 6px;border-radius:6px;cursor:pointer}
.multiselect label:hover{background:var(--panel)}
/* toasts */
.toasts{position:fixed;top:18px;right:18px;display:flex;flex-direction:column;gap:10px;z-index:999;max-width:340px}
.toast{background:var(--panel);border:1px solid var(--border-2);border-left:3px solid var(--accent);
  border-radius:10px;padding:12px 14px;box-shadow:var(--shadow);animation:slidein .25s ease}
.toast.ok{border-left-color:var(--good)}.toast.err{border-left-color:var(--bad)}
@keyframes slidein{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:none}}
.load-more{width:100%;margin-top:12px}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}
@media(max-width:820px){.sidebar{display:none}.content{padding:18px}}