:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --border: #e3e8ef;
  --text: #17202b;
  --muted: #5f6b7a;
  --faint: #8a95a3;
  --brand: #1f3a5f;
  --brand-2: #2e7dd7;
  --accent: #2fa98a;
  --ok: #1f9d5b;
  --ok-bg: #e6f6ed;
  --warn: #c27c00;
  --warn-bg: #fff4dc;
  --crit: #d03a2f;
  --crit-bg: #fde9e7;
  --idle: #8a95a3;
  --idle-bg: #eef1f5;
  --info-bg: #e8f1fc;
  --side: #14273f;
  --side-text: #c6d2e1;
  --side-active: #ffffff;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .06);
  --radius: 10px;
  --chart-grid: rgba(0, 0, 0, .06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e141b; --surface: #151d27; --surface-2: #1a2430; --border: #253141; --text: #e6ecf3;
    --muted: #9aa8b8; --faint: #6f7d8d; --brand: #8fb4e6; --brand-2: #5ea0ec; --accent: #4fc4a3;
    --ok: #3cc07a; --ok-bg: rgba(60, 192, 122, .14); --warn: #e5a52d; --warn-bg: rgba(229, 165, 45, .14);
    --crit: #f06a5f; --crit-bg: rgba(240, 106, 95, .14); --idle: #7d8a99; --idle-bg: rgba(125, 138, 153, .16);
    --info-bg: rgba(94, 160, 236, .14); --side: #0a1017; --side-text: #9fb0c3;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4); --chart-grid: rgba(255, 255, 255, .07); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0e141b; --surface: #151d27; --surface-2: #1a2430; --border: #253141; --text: #e6ecf3;
  --muted: #9aa8b8; --faint: #6f7d8d; --brand: #8fb4e6; --brand-2: #5ea0ec; --accent: #4fc4a3;
  --ok: #3cc07a; --ok-bg: rgba(60, 192, 122, .14); --warn: #e5a52d; --warn-bg: rgba(229, 165, 45, .14);
  --crit: #f06a5f; --crit-bg: rgba(240, 106, 95, .14); --idle: #7d8a99; --idle-bg: rgba(125, 138, 153, .16);
  --info-bg: rgba(94, 160, 236, .14); --side: #0a1017; --side-text: #9fb0c3;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4); --chart-grid: rgba(255, 255, 255, .07); color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg); color: var(--text);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand-2); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; line-height: 1.25; }
h1 { font-size: 22px; font-weight: 650; }
h2 { font-size: 16px; font-weight: 650; }
h3 { font-size: 14px; font-weight: 650; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.small { font-size: 12.5px; }
.nowrap { white-space: nowrap; }
.right { text-align: right; }
.hidden { display: none !important; }

/* ---------- Layout ---------- */
.layout { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; background: linear-gradient(to right, var(--side) 232px, transparent 232px); }
.sidebar {
  background: var(--side); color: var(--side-text); padding: 18px 12px; position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column; gap: 4px;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 10px 18px; color: #fff; }
.brand svg { flex: none; }
.brand b { font-size: 16px; letter-spacing: .2px; }
.brand small { display: block; color: var(--side-text); font-size: 11px; font-weight: 400; }
.nav a {
  display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 8px; color: var(--side-text);
  font-weight: 500; text-decoration: none;
}
.nav a:hover { background: rgba(255, 255, 255, .06); color: #fff; }
.nav a.active { background: rgba(255, 255, 255, .1); color: var(--side-active); }
.nav a .count { margin-left: auto; background: var(--crit); color: #fff; border-radius: 10px; font-size: 11px; padding: 0 7px; font-weight: 600; }
.nav svg { width: 18px; height: 18px; flex: none; opacity: .9; }
.side-foot { margin-top: auto; padding: 10px; font-size: 12px; border-top: 1px solid rgba(255, 255, 255, .08); }
.side-foot .who { color: #fff; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.side-foot button { margin-top: 8px; }
.main { min-width: 0; }
.topbar {
  display: none; align-items: center; justify-content: space-between; padding: 10px 16px; background: var(--side); color: #fff;
}
.content { padding: 26px 30px 60px; max-width: 1400px; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.page-head .sub { color: var(--muted); margin-top: 4px; }
.crumbs { color: var(--muted); font-size: 12.5px; margin-bottom: 6px; }
.crumbs a { color: var(--muted); }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* ---------- Cards & grid ---------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-pad { padding: 18px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.card-body { padding: 16px 18px; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.split { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); }
.split-l { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); }
.mt { margin-top: 16px; }
.mt2 { margin-top: 24px; }

.kpi { padding: 16px 18px; }
.kpi .label { color: var(--muted); font-size: 12.5px; font-weight: 500; }
.kpi .value { font-size: 26px; font-weight: 680; margin-top: 4px; letter-spacing: -.3px; font-variant-numeric: tabular-nums; }
.kpi .hint { font-size: 12px; color: var(--faint); margin-top: 2px; }
.kpi.ok .value { color: var(--ok); }
.kpi.crit .value { color: var(--crit); }
.kpi.warn .value { color: var(--warn); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { font-size: 12px; color: var(--muted); font-weight: 600; background: var(--surface-2); white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr.click { cursor: pointer; }
tbody tr.click:hover { background: var(--surface-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.empty { padding: 34px 18px; text-align: center; color: var(--muted); }
.empty > b { display: block; color: var(--text); margin-bottom: 4px; font-size: 15px; }

/* ---------- Badges & status ---------- */
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.badge.plain::before { display: none; }
.b-ok { background: var(--ok-bg); color: var(--ok); }
.b-warn { background: var(--warn-bg); color: var(--warn); }
.b-crit { background: var(--crit-bg); color: var(--crit); }
.b-idle { background: var(--idle-bg); color: var(--idle); }
.b-info { background: var(--info-bg); color: var(--brand-2); }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--idle); }
.dot.ok { background: var(--ok); } .dot.crit { background: var(--crit); } .dot.warn { background: var(--warn); }
.chip { display: inline-block; padding: 1px 7px; border-radius: 6px; background: var(--surface-2); border: 1px solid var(--border); font-size: 12px; margin: 1px 3px 1px 0; white-space: nowrap; }
.chip.hot { border-color: var(--crit); color: var(--crit); }

.bar { position: relative; height: 7px; background: var(--idle-bg); border-radius: 4px; overflow: hidden; min-width: 70px; }
.bar > i { position: absolute; inset: 0 auto 0 0; background: var(--ok); border-radius: 4px; }
.bar.warn > i { background: var(--warn); } .bar.crit > i { background: var(--crit); }
.meter { display: flex; align-items: center; gap: 8px; }
.meter .bar { flex: 1; }
.meter span { width: 42px; text-align: right; font-variant-numeric: tabular-nums; font-size: 12.5px; }

/* ---------- Buttons & forms ---------- */
button, .btn {
  font: inherit; font-weight: 550; display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 7px 13px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--text);
  cursor: pointer; text-decoration: none; white-space: nowrap;
}
button:hover, .btn:hover { background: var(--surface-2); text-decoration: none; }
button:disabled { opacity: .55; cursor: not-allowed; }
.primary { background: var(--brand-2); border-color: var(--brand-2); color: #fff; }
.primary:hover { background: var(--brand-2); filter: brightness(1.07); }
.danger { color: var(--crit); }
.danger.solid { background: var(--crit); color: #fff; border-color: var(--crit); }
.ghost { background: transparent; border-color: transparent; }
.sm { padding: 4px 9px; font-size: 12.5px; }
.side-foot button { background: transparent; color: var(--side-text); border-color: rgba(255, 255, 255, .15); width: 100%; }
.side-foot button:hover { background: rgba(255, 255, 255, .06); }

label.field { display: block; margin-bottom: 12px; }
label.field > span { display: block; font-size: 12.5px; font-weight: 600; color: var(--muted); margin-bottom: 5px; }
label.field small { display: block; color: var(--faint); margin-top: 4px; font-size: 12px; }
input, select, textarea {
  font: inherit; width: 100%; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text);
}
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--brand-2); outline-offset: 1px; }
textarea { min-height: 72px; resize: vertical; }
input[type=checkbox] { width: auto; }
.check-line { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; font-weight: 500; }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.form-row.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
fieldset { border: 1px solid var(--border); border-radius: 8px; padding: 12px 12px 0; margin: 0 0 12px; }
legend { font-size: 12.5px; font-weight: 600; color: var(--muted); padding: 0 4px; }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 18px; overflow-x: auto; }
.tabs a { padding: 9px 14px; color: var(--muted); font-weight: 550; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; text-decoration: none; }
.tabs a:hover { color: var(--text); }
.tabs a.active { color: var(--brand-2); border-bottom-color: var(--brand-2); }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg button { border: 0; border-radius: 0; padding: 5px 11px; font-size: 12.5px; }
.seg button.on { background: var(--brand-2); color: #fff; }

/* ---------- Modal & toasts ---------- */
.modal-bg { position: fixed; inset: 0; background: rgba(10, 16, 24, .5); display: flex; align-items: flex-start; justify-content: center; padding: 6vh 16px; z-index: 50; overflow-y: auto; }
.modal { background: var(--surface); border-radius: 12px; width: 100%; max-width: 560px; box-shadow: 0 20px 50px rgba(0, 0, 0, .3); border: 1px solid var(--border); }
.modal.wide { max-width: 760px; }
.modal-head { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.modal-body { padding: 18px 20px; }
.modal-foot { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }
#toasts { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 8px; z-index: 60; }
.toast { background: var(--text); color: var(--bg); padding: 10px 14px; border-radius: 8px; box-shadow: var(--shadow); max-width: 380px; font-weight: 500; }
.toast.err { background: var(--crit); color: #fff; }

/* ---------- Misc ---------- */
.kv { display: grid; grid-template-columns: 150px 1fr; gap: 7px 14px; font-size: 13.5px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.copy { display: flex; gap: 8px; align-items: stretch; }
.copy code { flex: 1; display: block; padding: 9px 11px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; overflow-x: auto; white-space: nowrap; }
.chart-box { position: relative; height: 240px; }
.alert-row { display: flex; gap: 12px; align-items: flex-start; padding: 12px 18px; border-bottom: 1px solid var(--border); }
.alert-row:last-child { border-bottom: 0; }
.alert-row .t { font-weight: 600; }
.alert-row .meta { color: var(--muted); font-size: 12.5px; margin-top: 2px; }
.alert-row .acts { margin-left: auto; display: flex; gap: 6px; align-items: center; }
.client-card { padding: 16px 18px; display: block; color: inherit; text-decoration: none; transition: border-color .15s; }
.client-card:hover { border-color: var(--brand-2); text-decoration: none; }
.client-card .row { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.client-card .stats { display: flex; gap: 16px; margin-top: 12px; font-size: 12.5px; color: var(--muted); flex-wrap: wrap; }
.client-card .stats b { color: var(--text); font-size: 15px; display: block; font-variant-numeric: tabular-nums; }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px;
  background: radial-gradient(1200px 600px at 10% 0%, rgba(46, 125, 215, .16), transparent), var(--bg); }
.login { width: 100%; max-width: 380px; padding: 28px; }
.login .brand { color: var(--text); padding: 0 0 18px; }
.login .brand small { color: var(--muted); }
.notice { padding: 10px 12px; border-radius: 8px; background: var(--info-bg); color: var(--text); font-size: 13px; margin-bottom: 14px; }
.notice.warn { background: var(--warn-bg); }
.spinner { width: 18px; height: 18px; border: 2px solid var(--border); border-top-color: var(--brand-2); border-radius: 50%; animation: spin .8s linear infinite; display: inline-block; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading { padding: 40px; text-align: center; color: var(--muted); }

@media (max-width: 1100px) { .g5 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 860px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .sidebar { position: fixed; z-index: 40; left: 0; top: 0; width: 250px; transform: translateX(-100%); transition: transform .2s; }
  .sidebar.open { transform: none; }
  .topbar { display: flex; }
  .content { padding: 18px 16px 50px; }
  .layout { background: none; }
  .g2, .g3, .split, .split-l { grid-template-columns: minmax(0, 1fr); }
  .alert-row { flex-wrap: wrap; }
  .alert-row > div:nth-child(2) { flex: 1 1 calc(100% - 110px); }
  .alert-row .acts { margin-left: 0; width: 100%; }
  .acts:empty { display: none; }
  .g4, .g5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-row, .form-row.three { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 120px 1fr; }
  .hide-sm { display: none; }
}