:root {
  color-scheme: light;
  --bg: #f4f4f1;
  --surface: #fcfcfb;
  --surface-2: #f0efec;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --accent-ink: #ffffff;
  --nav: #13202f;
  --nav-ink: #c9d3df;
  --nav-active: #2a78d6;
  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --info: #2a78d6;
  --series-in: #2a78d6;
  --series-out: #eb6834;
  --row-hover: #eef3fa;
  --shadow: 0 1px 2px rgba(0, 0, 0, .06), 0 2px 8px rgba(0, 0, 0, .04);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0d0d0d; --surface: #1a1a19; --surface-2: #232321; --ink: #f0efec; --ink-2: #c3c2b7;
    --grid: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, 0.10); --accent: #3987e5;
    --nav: #111417; --row-hover: #1f2730; --info: #3987e5; --series-in: #3987e5; --series-out: #d95926;
    --shadow: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d0d0d; --surface: #1a1a19; --surface-2: #232321; --ink: #f0efec; --ink-2: #c3c2b7;
  --grid: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, 0.10); --accent: #3987e5;
  --nav: #111417; --row-hover: #1f2730; --info: #3987e5; --series-in: #3987e5; --series-out: #d95926;
  --shadow: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--ink);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
[hidden] { display: none !important; }
code, .mono { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-size: 12.5px; }

/* ---------- Layout ---------- */
.layout { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
nav.side {
  background: var(--nav); color: var(--nav-ink); padding: 16px 0; position: sticky; top: 0;
  height: 100vh; overflow-y: auto; display: flex; flex-direction: column;
}
.brand { font-weight: 700; font-size: 18px; color: #fff; padding: 0 20px 18px; letter-spacing: .3px; }
.brand small { display: block; font-weight: 400; font-size: 11.5px; color: var(--nav-ink); opacity: .7; }
nav.side a {
  display: flex; align-items: center; gap: 10px; color: var(--nav-ink); padding: 9px 20px;
  border-left: 3px solid transparent; font-size: 14px;
}
nav.side a:hover { background: rgba(255, 255, 255, .05); text-decoration: none; }
nav.side a.active { background: rgba(255, 255, 255, .08); border-left-color: var(--nav-active); color: #fff; }
nav.side .sep { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; opacity: .5; padding: 16px 20px 6px; }
nav.side .grow { flex: 1; }
nav.side .user { padding: 12px 20px; font-size: 12.5px; border-top: 1px solid rgba(255, 255, 255, .08); }
nav.side .user button { margin-top: 6px; background: transparent; color: var(--nav-ink); border-color: rgba(255, 255, 255, .25); }
nav.side .user button:hover { background: rgba(255, 255, 255, .08); }

main { padding: 20px 24px 40px; min-width: 0; }
.topbar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 18px; }
.topbar h1 { font-size: 21px; margin: 0; flex: 1; min-width: 200px; }
.menu-btn { display: none; }

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  nav.side { position: fixed; z-index: 50; width: 240px; transform: translateX(-100%); transition: transform .2s; }
  nav.side.open { transform: none; }
  .menu-btn { display: inline-flex; }
  main { padding: 14px 16px 40px; }
}

/* ---------- Cards / grid ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 16px;
  box-shadow: var(--shadow); min-width: 0;
}
.card h2 { font-size: 14.5px; margin: 0 0 12px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.card h2 .right { margin-left: auto; font-weight: 400; font-size: 12.5px; color: var(--muted); }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(auto-fit, minmax(min(380px, 100%), 1fr)); }
.g3 { grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 16px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; box-shadow: var(--shadow); }
.tile .label { color: var(--ink-2); font-size: 12.5px; display: flex; align-items: center; gap: 6px; }
.tile .value { font-size: 26px; font-weight: 650; margin-top: 4px; }
.tile .sub { font-size: 12px; color: var(--muted); }
.mb { margin-bottom: 16px; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.nowrap { white-space: nowrap; }
.right { text-align: right; }

/* ---------- Forms ---------- */
input, select, textarea, button { font: inherit; color: inherit; }
input[type=text], input[type=password], input[type=number], input[type=datetime-local], select, textarea {
  background: var(--surface); border: 1px solid var(--axis); border-radius: 7px; padding: 6px 9px;
  min-height: 34px; max-width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
button, .btn {
  display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--axis); background: var(--surface);
  border-radius: 7px; padding: 6px 12px; min-height: 34px; cursor: pointer; white-space: nowrap;
}
button:hover, .btn:hover { background: var(--surface-2); text-decoration: none; }
button.primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
button.primary:hover { filter: brightness(1.08); background: var(--accent); }
button.danger { color: var(--critical); }
button.sm, .btn.sm { padding: 3px 8px; min-height: 28px; font-size: 12.5px; }
button.active { background: var(--accent); color: #fff; border-color: var(--accent); }
button:disabled { opacity: .5; cursor: default; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }
.filters input[type=text] { width: 150px; }
.filters input.wide { width: 240px; }
.seg { display: inline-flex; border: 1px solid var(--axis); border-radius: 7px; overflow: hidden; }
.seg button { border: 0; border-radius: 0; border-right: 1px solid var(--axis); min-height: 32px; }
.seg button:last-child { border-right: 0; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 14px; }
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; color: var(--ink-2); }
.form-grid label.full { grid-column: 1 / -1; }
.form-grid label.check { flex-direction: row; align-items: center; gap: 8px; color: var(--ink); font-size: 14px; }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--grid); vertical-align: top; }
th { font-size: 12px; font-weight: 600; color: var(--ink-2); background: var(--surface); position: sticky; top: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:hover { background: var(--row-hover); }
tr.clickable { cursor: pointer; }
td.msg { word-break: break-word; min-width: 200px; }
.logs td { font-size: 13px; padding: 5px 10px; }
.logs td.ts { white-space: nowrap; font-variant-numeric: tabular-nums; color: var(--ink-2); }
.empty { text-align: center; color: var(--muted); padding: 30px; }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 5px; padding: 1px 8px; border-radius: 999px; font-size: 11.5px;
  font-weight: 600; border: 1px solid var(--border); background: var(--surface-2); color: var(--ink); white-space: nowrap;
}
.badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--dot, var(--muted)); }
.sev-0, .sev-1, .sev-2 { --dot: var(--critical); }
.sev-3 { --dot: var(--serious); }
.sev-4 { --dot: var(--warning); }
.sev-5, .sev-6 { --dot: var(--info); }
.sev-7 { --dot: var(--muted); }
.st-up { --dot: var(--good); }
.st-down { --dot: var(--critical); }
.st-unknown { --dot: var(--muted); }
.st-warn { --dot: var(--warning); }

/* ---------- Charts ---------- */
.chart { position: relative; width: 100%; }
.chart svg { display: block; width: 100%; overflow: visible; }
.chart .axis text { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.chart .gridline { stroke: var(--grid); stroke-width: 1; }
.chart .baseline { stroke: var(--axis); stroke-width: 1; }
.chart .cross { stroke: var(--ink-2); stroke-width: 1; stroke-dasharray: 3 3; }
.legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12.5px; color: var(--ink-2); margin-bottom: 8px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.tooltip {
  position: absolute; pointer-events: none; background: var(--surface); border: 1px solid var(--border);
  box-shadow: 0 4px 16px rgba(0, 0, 0, .15); border-radius: 8px; padding: 8px 10px; font-size: 12.5px;
  z-index: 10; white-space: nowrap; color: var(--ink);
}
.tooltip .t { color: var(--ink-2); margin-bottom: 4px; }
.tooltip .r { display: flex; align-items: center; gap: 6px; }
.tooltip .r b { margin-left: auto; padding-left: 14px; font-variant-numeric: tabular-nums; }
.tooltip i { width: 9px; height: 9px; border-radius: 2px; display: inline-block; }

.bars .row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2px 10px; padding: 5px 0; cursor: pointer; }
.bars .row:hover .lbl { color: var(--accent); }
.bars .lbl { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
.bars .val { font-size: 12.5px; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.bars .track { grid-column: 1 / -1; height: 6px; background: var(--surface-2); border-radius: 3px; overflow: hidden; display: flex; }
.bars .fill { height: 100%; background: var(--info); border-radius: 0 3px 3px 0; }

/* ---------- Modal ---------- */
.modal-bg {
  position: fixed; inset: 0; background: rgba(0, 0, 0, .45); display: flex; align-items: flex-start;
  justify-content: center; z-index: 100; padding: 6vh 16px; overflow-y: auto;
}
.modal { background: var(--surface); border-radius: 12px; width: 100%; max-width: 620px; padding: 20px; box-shadow: 0 10px 40px rgba(0, 0, 0, .3); }
.modal.wide { max-width: 960px; }
.modal h3 { margin: 0 0 14px; font-size: 17px; }
.modal .actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; font-size: 13px; }
.kv dt { color: var(--ink-2); }
.kv dd { margin: 0; word-break: break-word; }
pre.raw { background: var(--surface-2); padding: 10px; border-radius: 8px; white-space: pre-wrap; word-break: break-all; font-size: 12.5px; margin: 0; }

/* ---------- Login ---------- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login { width: 100%; max-width: 360px; }
.login h1 { margin: 0 0 4px; font-size: 22px; }
.login form { display: flex; flex-direction: column; gap: 12px; margin-top: 18px; }
.login input { width: 100%; }

.toast {
  position: fixed; bottom: 20px; right: 20px; background: var(--ink); color: var(--surface); padding: 10px 16px;
  border-radius: 8px; z-index: 200; max-width: 420px; box-shadow: 0 6px 20px rgba(0, 0, 0, .25);
}
.toast.err { background: var(--critical); color: #fff; }
.alert { padding: 10px 14px; border-radius: 8px; border: 1px solid var(--critical); color: var(--critical); margin-bottom: 14px; background: var(--surface); }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--good); display: inline-block; animation: pulse 1.4s infinite; }
@keyframes pulse { 50% { opacity: .3; } }