:root{
  --bg:#f5f6f8; --panel:#ffffff; --ink:#1f2733; --muted:#6b7688; --line:#e6e8ec;
  --brand:#2563eb; --brand-ink:#1d4ed8; --ok:#0f9d58; --warn:#f59e0b; --bad:#dc2626;
  --crit:#b91c1c; --sidebar:#0f172a; --sidebar-ink:#cbd5e1; --sidebar-active:#1e293b;
  --radius:10px; --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.1);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25}
code,kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px}

/* ---------- auth shell ---------- */
@keyframes authRise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.auth{
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;
  background:
    radial-gradient(900px 500px at 12% -10%,rgba(37,99,235,.35),transparent 60%),
    radial-gradient(800px 480px at 110% 10%,rgba(14,165,164,.28),transparent 55%),
    linear-gradient(160deg,#0b1220,#0f172a 55%,#111827);
}
.auth-card{
  width:400px;max-width:100%;background:var(--panel);border-radius:18px;padding:36px 34px;
  box-shadow:0 24px 70px rgba(2,6,23,.45),0 2px 6px rgba(2,6,23,.08);
  border:1px solid rgba(255,255,255,.06);
  animation:authRise .35s ease-out both;
}
.auth-brand{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;margin-bottom:6px}
.auth-card h1{font-size:20px;margin:0;letter-spacing:-.01em}
.auth-card .logo{width:30px;height:30px;border-radius:8px;background:var(--brand);display:grid;place-items:center;color:#fff;font-weight:700}
.auth-card .logo.lg{width:52px;height:52px;border-radius:14px;font-size:26px;box-shadow:0 8px 20px rgba(37,99,235,.35)}
.brand-logo{height:26px;width:auto;max-width:180px;object-fit:contain;vertical-align:middle;border-radius:4px}
.auth-logo{max-height:52px;max-width:100%;object-fit:contain}
.auth-card p.sub{color:var(--muted);margin:0 0 22px;text-align:center;font-size:13.5px}
.auth-card label{font-size:12px;letter-spacing:.02em}
.auth-card .field{position:relative;display:flex}
.auth-card .field input{padding-right:40px;flex:1}
.auth-card .field .reveal{
  position:absolute;right:4px;top:50%;transform:translateY(-50%);height:34px;width:34px;border:0;
  background:none;color:var(--muted);cursor:pointer;font-size:15px;border-radius:6px;
}
.auth-card .field .reveal:hover{background:#f2f4f7;color:var(--ink)}
.auth-card input[type=text],.auth-card input[type=password],.auth-card input[type=email]{
  border-radius:10px;padding:11px 12px;transition:border-color .15s,box-shadow .15s;
}
.auth-card input:focus{box-shadow:0 0 0 4px rgba(37,99,235,.15);border-color:var(--brand);outline:none}
.auth-card .btn.primary{
  border-radius:10px;padding:12px 14px;font-size:14px;letter-spacing:.01em;
  box-shadow:0 10px 24px rgba(37,99,235,.35);transition:transform .12s,box-shadow .12s,background .15s;
}
.auth-card .btn.primary:hover{transform:translateY(-1px);box-shadow:0 14px 28px rgba(37,99,235,.42)}
.auth-card .btn.primary:active{transform:translateY(0)}
.auth-foot{margin-top:18px;text-align:center;color:var(--muted);font-size:12px;letter-spacing:.02em}
.auth-foot a{color:var(--muted);text-decoration:underline}
.auth-foot a:hover{color:var(--ink)}

/* ---------- layout ---------- */
.app{display:flex;align-items:stretch;min-height:100vh}
.app{display:grid;grid-template-columns:230px minmax(0,1fr)}
.side{flex:0 0 230px;width:230px;background:var(--sidebar);color:var(--sidebar-ink);padding:18px 14px;position:sticky;top:0;align-self:flex-start;height:100vh;overflow:auto}
.side .brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:15px;padding:6px 8px 16px}
.side .brand .logo{width:28px;height:28px;border-radius:7px;background:var(--brand);display:grid;place-items:center}
.side nav a{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--sidebar-ink);padding:9px 10px;border-radius:8px;margin:2px 0;font-weight:500}
.side nav a:hover{background:var(--sidebar-active);text-decoration:none;color:#fff}
.side nav a.active{background:var(--brand);color:#fff}
.side nav .sec{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#64748b;margin:16px 8px 6px}
.side nav .pill{background:var(--bad);color:#fff;border-radius:999px;font-size:11px;padding:1px 7px;font-weight:700}
.side nav a.active .pill{background:#fff;color:var(--brand)}

.main{flex:1 1 auto;display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 26px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.topbar .nav-left{display:flex;align-items:center;gap:12px;min-width:0}
.topbar h1{font-size:16px;margin:0}
.topbar .user{color:var(--muted);font-size:13px}
.btn.back{color:var(--muted);font-weight:600;white-space:nowrap}
.btn.back:hover{color:var(--ink);text-decoration:none}
.content{padding:24px 30px;width:100%}

/* ---------- components ---------- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:18px}
.card > h2,.card > h3{font-size:14px;letter-spacing:.01em}
.card .hint{color:var(--muted);font-size:12.5px;margin:-.2em 0 1em}
.grid{display:grid;gap:16px}
.grid.k2{grid-template-columns:repeat(2,1fr)}
.grid.k3{grid-template-columns:repeat(3,1fr)}
.grid.k4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1000px){.grid.k3,.grid.k4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){
  .app{grid-template-columns:1fr;flex-direction:column}
  .side{position:static;height:auto;width:auto;flex:none}
  .grid.k2{grid-template-columns:1fr}
}

.kpi{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.kpi .n{font-size:26px;font-weight:700;letter-spacing:-.01em}
.kpi .l{color:var(--muted);font-size:12.5px;text-transform:uppercase;letter-spacing:.05em}
.kpi .d{font-size:12px;margin-top:4px}
.kpi.good .n{color:var(--ok)} .kpi.bad .n{color:var(--bad)} .kpi.warn .n{color:var(--warn)}

table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:600}
tbody tr:hover{background:#fafbfc}
td.mono,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px}
.table-wrap{overflow-x:auto}

.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600;line-height:1.6;white-space:nowrap}
.badge.gray{background:#eef1f4;color:#55606f}
.badge.blue{background:#e0ecff;color:#1d4ed8}
.badge.green{background:#e2f5e9;color:#0f9d58}
.badge.amber{background:#fef3c7;color:#b45309}
.badge.red{background:#fde4e4;color:#c02626}
.badge.crit{background:#b91c1c;color:#fff}

.btn{display:inline-block;border:1px solid var(--line);background:var(--panel);color:var(--ink);padding:8px 14px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer}
.btn:hover{background:#f2f4f7;text-decoration:none}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-ink)}
.btn.danger{background:#fff;border-color:#f0c9c9;color:var(--bad)}
.btn.danger:hover{background:#fdecec}
.btn.sm{padding:5px 10px;font-size:12px}
.btn-row{display:flex;gap:8px;flex-wrap:wrap}

label{display:block;font-weight:600;font-size:12.5px;margin:12px 0 5px}
label.inline{display:flex;align-items:center;gap:8px;font-weight:500;margin:8px 0}
input[type=text],input[type=password],input[type=number],input[type=url],input[type=email],select,textarea{
  width:100%;padding:9px 11px;border:1px solid #cfd4dc;border-radius:8px;font:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid #bfd3ff;border-color:var(--brand)}
.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(max-width:700px){.form-row{grid-template-columns:1fr}}
fieldset{border:1px solid var(--line);border-radius:8px;padding:12px 14px;margin:0 0 14px}
legend{font-weight:700;font-size:12px;padding:0 6px;color:var(--muted)}

.flash{padding:12px 16px;border-radius:8px;margin-bottom:18px;font-weight:500}
.flash.ok{background:#e2f5e9;color:#0b7a41;border:1px solid #b7e4c7}
.flash.err{background:#fde4e4;color:#a01f1f;border:1px solid #f3c0c0}

.empty{color:var(--muted);text-align:center;padding:26px;font-style:italic}
.sep{height:1px;background:var(--line);margin:16px 0}
.pillbar{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.pillbar a{padding:5px 10px;border:1px solid var(--line);border-radius:999px;font-size:12px;color:var(--muted);background:#fff}
.pillbar a.on{background:var(--brand);border-color:var(--brand);color:#fff}
.snip{background:#0f172a;color:#e2e8f0;padding:10px 12px;border-radius:8px;font-family:ui-monospace,monospace;font-size:12px;overflow-x:auto;white-space:pre-wrap;word-break:break-all}
.logbox{background:#0b1220;color:#cbd5e1;border-radius:8px;padding:12px;font-family:ui-monospace,monospace;font-size:12px;max-height:360px;overflow:auto;white-space:pre}
.spark{display:block}
.muted{color:var(--muted)}
.right{text-align:right}
.nowrap{white-space:nowrap}
.stackbars{display:flex;align-items:flex-end;gap:3px;height:90px}
.stackbars .b{flex:1;background:#dbe4f0;border-radius:3px 3px 0 0;min-height:2px;position:relative}
.stackbars .b .hit{position:absolute;left:0;right:0;bottom:0;background:var(--bad);border-radius:3px 3px 0 0}