:root{
  --bg:#f4f6f9; --card:#fff; --ink:#0f1b2d; --muted:#6b7686; --line:#e5e9ef; --soft:#f7f9fb;
  --nav:#0b1f3a; --nav-ink:#c9d3e1; --nav-active:#16325a;
  --brand:#0d6e5d; --brand-ink:#fff; --brand-soft:#e3f2ee;
  --gold:#c8a24a; --green:#0f8a5f; --red:#d23f31; --amber:#d97706; --blue:#2563eb;
  --radius:12px; --shadow:0 1px 2px rgba(15,27,45,.06),0 2px 8px rgba(15,27,45,.04);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font-size:14px}
a{color:var(--brand);text-decoration:none}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:var(--ink)}
.hidden{display:none!important}

/* layout */
.app{display:flex;min-height:100vh}
.side{width:236px;background:var(--nav);color:var(--nav-ink);flex-shrink:0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.logo{display:flex;align-items:center;gap:10px;padding:20px 20px 18px;color:#fff;font-weight:700;font-size:16px;letter-spacing:.2px}
.logo .mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--gold),#e6c87a);display:grid;place-items:center;color:var(--nav);font-weight:800}
.logo small{display:block;font-weight:500;color:var(--nav-ink);font-size:11px;letter-spacing:1.5px}
.nav-sec{padding:14px 20px 6px;font-size:11px;letter-spacing:1.4px;color:#7d8ba1;text-transform:uppercase}
.nav a{display:flex;align-items:center;gap:11px;padding:9px 14px;margin:2px 10px;border-radius:9px;color:var(--nav-ink)}
.nav a:hover{background:rgba(255,255,255,.05);color:#fff}
.nav a.on{background:var(--nav-active);color:#fff;box-shadow:inset 3px 0 0 var(--gold)}
.nav svg{width:18px;height:18px;flex-shrink:0}
.side-foot{margin-top:auto;padding:16px 20px;font-size:12px;color:#7d8ba1}
.main{flex:1;min-width:0}
.top{height:60px;display:flex;align-items:center;gap:14px;padding:0 28px;border-bottom:1px solid var(--line);background:var(--card);position:sticky;top:0;z-index:5}
.top .burger{display:none;background:none;border:0;padding:6px}
.top .grow{flex:1}
.user{display:flex;align-items:center;gap:10px;cursor:pointer;position:relative}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:700}
.menu{position:absolute;right:0;top:44px;background:var(--card);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);min-width:180px;padding:6px;z-index:20}
.menu button{display:block;width:100%;text-align:left;background:none;border:0;padding:9px 12px;border-radius:7px}
.menu button:hover{background:var(--soft)}
.page{padding:24px 28px 60px;max-width:1500px}
.page-h{display:flex;align-items:center;gap:12px;margin-bottom:20px;flex-wrap:wrap}
.page-h h1{font-size:22px;margin:0;flex:1;letter-spacing:-.2px}
.sub{color:var(--muted);font-size:13px;margin-top:2px}

/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-h{display:flex;align-items:center;gap:10px;padding:16px 18px 6px}
.card-h h3{margin:0;font-size:15px;flex:1;display:flex;align-items:center;gap:8px}
.card-b{padding:12px 18px 18px}
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.kpi{padding:16px 18px}
.kpi .l{color:var(--muted);font-size:13px}
.kpi .v{font-size:24px;font-weight:650;margin:8px 0 4px;letter-spacing:-.3px}
.kpi .d{font-size:12px;color:var(--muted)}
.mt{margin-top:16px}
.up{color:var(--green)} .down{color:var(--red)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--card);color:var(--ink);padding:7px 12px;border-radius:8px;font-size:13px;white-space:nowrap}
.btn:hover{border-color:#cfd6df;background:var(--soft)}
.btn.pri{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.pri:hover{filter:brightness(1.07)}
.btn.danger{color:var(--red)}
.btn.sm{padding:5px 9px;font-size:12px}
.btn.icon{padding:6px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn svg{width:15px;height:15px}

/* tables */
.tbl-wrap{overflow:auto}
table.t{width:100%;border-collapse:separate;border-spacing:0 6px}
.t th{text-align:left;font-weight:600;color:var(--muted);font-size:12px;padding:8px 10px;white-space:nowrap}
.t td{padding:11px 10px;background:var(--soft);white-space:nowrap}
.t td .row{flex-wrap:nowrap}
.t td:first-child{border-radius:9px 0 0 9px}
.t td:last-child{border-radius:0 9px 9px 0}
.t tr.slave td{background:#fffaf2}
.t tr.master td{background:#eef5f3}
.t .num{text-align:right;font-variant-numeric:tabular-nums}
.empty{padding:40px;text-align:center;color:var(--muted)}
.pager{display:flex;align-items:center;gap:10px;padding:8px 0 0;color:var(--muted);font-size:12px}
.pager .grow{flex:1}
.pager select{padding:4px 6px;border:1px solid var(--line);border-radius:6px}

/* badges */
.badge{display:inline-block;padding:3px 8px;border-radius:6px;font-size:11px;font-weight:600;color:#fff;letter-spacing:.2px}
.b-success{background:var(--green)} .b-warning{background:var(--amber)} .b-error{background:var(--red)}
.b-master{background:var(--brand)} .b-slave{background:var(--amber)}
.b-outline{background:none;border:1px solid currentColor}
.b-connected{color:var(--green)} .b-error-o{color:var(--red)} .b-connecting{color:var(--blue)} .b-disabled{color:var(--muted)}
.tag{display:inline-block;padding:1px 6px;border-radius:5px;background:#e8edf3;color:#44526a;font-size:10px;font-weight:700}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}
.reason{font-size:12px;color:#8a5a00;background:#fff4e2;border-left:3px solid var(--amber);padding:6px 10px;border-radius:0 0 8px 8px;margin-top:-6px}
.reason.err{color:#962a1f;background:#fdecea;border-color:var(--red)}
.events{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;background:#f2f4f7;padding:10px 14px;border-radius:8px;line-height:1.7}
.events .ts{color:#b04a3a} .events .ok{color:var(--green)} .events .bad{color:var(--red)} .events .wr{color:var(--amber)}

/* forms */
.f{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
.f label{font-size:12px;color:var(--muted);font-weight:500}
.inp,.f input,.f select,.f textarea{border:1px solid var(--line);border-radius:8px;padding:9px 11px;background:#fff;width:100%}
.inp:focus,.f input:focus,.f select:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.row>.f{flex:1;min-width:140px}
.chk{display:inline-flex;align-items:center;gap:7px;margin:4px 16px 8px 0;font-size:13px}
.chk input{width:16px;height:16px;accent-color:var(--brand)}
.search{position:relative}
.search input{padding-left:32px}
.search svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);width:15px;color:var(--muted)}
.help{font-size:12px;color:var(--muted)}
.chips{display:flex;gap:6px;flex-wrap:wrap;border:1px solid var(--line);border-radius:8px;padding:6px;background:#fff;min-height:40px}
.chips span{background:var(--brand-soft);color:var(--brand);border-radius:6px;padding:3px 8px;font-size:12px}
.chips span b{cursor:pointer;margin-left:6px}
.chips input{border:0;flex:1;min-width:80px;padding:4px;outline:0}

/* toggle */
.sw{position:relative;display:inline-block;width:40px;height:22px;flex-shrink:0}
.sw input{opacity:0;width:0;height:0}
.sw span{position:absolute;inset:0;background:#cdd5df;border-radius:22px;transition:.2s;cursor:pointer}
.sw span:before{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.sw input:checked+span{background:var(--brand)}
.sw input:checked+span:before{transform:translateX(18px)}
.tri{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.tri button{border:0;background:#fff;padding:5px 9px;font-size:11px;color:var(--muted)}
.tri button.on.active{background:var(--green);color:#fff}
.tri button.on.manage{background:var(--amber);color:#fff}
.tri button.on.paused{background:#64748b;color:#fff}

/* accordion */
.acc{border:1px solid var(--line);border-radius:10px;margin-bottom:10px;background:var(--soft)}
.acc>.acc-h{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;font-weight:600;cursor:pointer}
.acc>.acc-b{padding:4px 14px 14px;display:none}
.acc.open>.acc-b{display:block}
.acc .chev{transition:.2s;transform-box:fill-box;transform-origin:center}
.acc.open .chev{transform:rotate(180deg)}

/* modal + drawer */
.ov{position:fixed;inset:0;background:rgba(10,20,35,.45);z-index:50;display:flex;align-items:center;justify-content:center;padding:20px}
.modal{background:#fff;border-radius:14px;width:min(760px,100%);max-height:92vh;display:flex;flex-direction:column;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.modal.wide{width:min(1000px,100%)}
.modal.sm{width:min(460px,100%)}
.m-h{display:flex;align-items:flex-start;gap:12px;padding:18px 20px;border-bottom:1px solid var(--line)}
.m-h h2{margin:0;font-size:17px}
.m-h .x{margin-left:auto;background:none;border:0;font-size:22px;line-height:1;color:var(--muted)}
.m-b{padding:16px 20px;overflow:auto}
.m-f{display:flex;gap:10px;align-items:center;padding:14px 20px;border-top:1px solid var(--line)}
.m-f .grow{flex:1}
.ov.drawer{justify-content:flex-end;padding:0}
.ov.drawer .modal{height:100vh;max-height:100vh;border-radius:16px 0 0 16px;width:min(560px,100%)}

.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.tile{border:1px solid var(--line);border-radius:10px;background:#fff;padding:14px 8px;text-align:center;cursor:pointer;font-weight:600;font-size:13px;position:relative;min-height:62px;display:grid;place-items:center}
.tile:hover{border-color:var(--brand)}
.tile.on{border-color:var(--brand);background:var(--brand-soft)}
.tile.off{opacity:.45;cursor:not-allowed}
.tile .soon{position:absolute;top:4px;right:4px;font-size:9px;background:#e8edf3;color:#44526a;padding:1px 5px;border-radius:4px}

.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow:auto}
.tabs button{background:none;border:0;padding:10px 14px;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap}
.tabs button.on{color:var(--brand);border-color:var(--brand);font-weight:600}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:9px;padding:3px;background:#fff}
.seg button{border:0;background:none;padding:6px 12px;border-radius:7px;color:var(--muted);font-size:12px}
.seg button.on{background:var(--brand);color:#fff}

.symgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}
.sym{border:1px solid var(--line);border-radius:10px;padding:12px;background:#fff}
.sym .top2{display:flex;justify-content:space-between;align-items:center;font-weight:600}
.sym .meta{display:flex;gap:14px;margin-top:8px;font-size:12px;color:var(--muted)}

.toast{position:fixed;right:20px;bottom:20px;z-index:99;display:flex;flex-direction:column;gap:8px}
.toast div{background:var(--ink);color:#fff;padding:10px 14px;border-radius:9px;box-shadow:var(--shadow);max-width:380px}
.toast div.err{background:var(--red)}
.health{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:600;border:1px solid}
.h-Stable{color:var(--green);background:#e8f6ef}
.h-Degraded{color:var(--amber);background:#fff4e2}
.h-Stopped{color:var(--red);background:#fdecea}
.pulse{width:8px;height:8px;border-radius:50%;background:currentColor;animation:p 1.6s infinite}
@keyframes p{0%{box-shadow:0 0 0 0 currentColor}70%{box-shadow:0 0 0 6px transparent}100%{box-shadow:0 0 0 0 transparent}}
.spark{width:100%;height:180px}
.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(160deg,#0b1f3a,#123a5c)}
.login{width:min(380px,92vw);padding:28px}
.hero{background:linear-gradient(135deg,#0b1f3a,#0d4e45);color:#fff;border-radius:16px;padding:28px}
.hero h2{font-size:26px;margin:0 0 8px}
.hero p{color:#c9d8e6;margin:0;max-width:640px}

@media (max-width:1100px){.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:820px){
  .side{position:fixed;left:-260px;z-index:60;transition:.2s}
  .side.open{left:0}
  .top .burger{display:block}
  .page{padding:16px}
  .g4,.g3,.g2{grid-template-columns:1fr}
  .tiles{grid-template-columns:repeat(2,1fr)}
  .top{padding:0 16px}
}