:root {
  --primary: #2E5EAA; --primary-d: #234a87; --primary-l: #e8eef8;
  --bg: #f4f6fa; --panel: #ffffff; --text: #1d2433; --muted: #637087; --line: #dde3ec; --line-2: #eef1f6;
  --ok: #1f8a4c; --ok-bg: #e5f5ec; --info: #2E5EAA; --info-bg: #e8eef8; --warn: #b26a00; --warn-bg: #fff3dd;
  --crit: #c62828; --crit-bg: #fde8e8; --unknown: #6b7280; --unknown-bg: #eef0f3; --off: #9aa3b2;
  --radius: 10px; --shadow: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.08);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --primary: #6f9be3; --primary-d: #8db1ec; --primary-l: #1d2a44;
    --bg: #11151c; --panel: #181e27; --text: #e4e8ef; --muted: #98a2b3; --line: #2a3340; --line-2: #212935;
    --ok: #4cc27f; --ok-bg: #16301f; --info: #7ea6e8; --info-bg: #1b2740; --warn: #f0b04a; --warn-bg: #3a2c12;
    --crit: #f07171; --crit-bg: #3d1a1a; --unknown: #9aa3b2; --unknown-bg: #252c37;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 0 0 10px; }
h3 { font-size: 14px; margin: 14px 0 8px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.mono { font-family: var(--mono); font-size: 12px; }
.boot { padding: 40px; color: var(--muted); }
.hidden { display: none !important; }

/* Layout */
.layout { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar { background: var(--panel); border-right: 1px solid var(--line); padding: 14px 10px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 14px; font-weight: 700; }
.brand-logo { width: 30px; height: 30px; border-radius: 8px; background: var(--primary); display: grid; place-items: center; }
.brand small { display: block; font-weight: 400; color: var(--muted); font-size: 11px; }
.nav-sec { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); padding: 12px 10px 4px; display: flex; justify-content: space-between; }
.nav a { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 7px 10px; border-radius: 8px; color: var(--text); }
.nav a:hover { background: var(--line-2); text-decoration: none; }
.nav a.active { background: var(--primary-l); color: var(--primary); font-weight: 600; }
.main { padding: 18px 22px 40px; min-width: 0; }
.topbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 16px; }
.topbar-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.btn.menu-btn { display: none; }
.banner { padding: 10px 14px; border-radius: var(--radius); margin-bottom: 14px; background: var(--warn-bg); color: var(--warn); border: 1px solid color-mix(in srgb, var(--warn) 30%, transparent); }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: fixed; z-index: 30; left: 0; top: 0; width: 260px; transform: translateX(-100%); transition: transform .2s; box-shadow: var(--shadow); }
  .sidebar.open { transform: none; }
  .btn.menu-btn { display: inline-flex; }
  .main { padding: 14px 12px 40px; }
}

/* Panels & grid */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); margin-bottom: 14px; min-width: 0; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.panel-head h2 { margin: 0; }
.grid { display: grid; gap: 14px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; margin-bottom: 14px; }
@media (max-width: 900px) { .g2, .g3 { grid-template-columns: 1fr; } }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; box-shadow: var(--shadow); border-left: 4px solid var(--line); }
.tile .label { color: var(--muted); font-size: 12px; }
.tile .value { font-size: 22px; font-weight: 700; margin-top: 2px; }
.tile .sub { font-size: 12px; color: var(--muted); }
.tile.s-ok { border-left-color: var(--ok); } .tile.s-warn { border-left-color: var(--warn); } .tile.s-crit { border-left-color: var(--crit); }
.tile.s-info { border-left-color: var(--info); } .tile.s-unknown { border-left-color: var(--unknown); }

/* Status */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.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-info { background: var(--info-bg); color: var(--info); }
.b-unknown, .b-off { background: var(--unknown-bg); color: var(--unknown); }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; background: var(--off); flex: none; }
.d-ok { background: var(--ok); } .d-warn { background: var(--warn); } .d-crit { background: var(--crit); } .d-info { background: var(--info); } .d-unknown { background: var(--unknown); }
.weight { font-size: 10px; text-transform: uppercase; letter-spacing: .05em; padding: 1px 6px; border-radius: 4px; background: var(--line-2); color: var(--muted); }

/* Connection cards on overview */
.modules { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 8px; }
.mod { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; color: var(--text); background: var(--panel); }
.mod:hover { border-color: var(--primary); text-decoration: none; }
.mod .t { font-weight: 600; font-size: 13px; }
.mod .s { font-size: 11px; color: var(--muted); }

/* Tables */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line-2); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; white-space: nowrap; background: var(--panel); position: sticky; top: 0; }
th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { color: var(--primary); }
tr:hover td { background: var(--line-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.scroll-y { max-height: 520px; overflow: auto; }
pre.detail { white-space: pre-wrap; margin: 4px 0 0; font-family: var(--mono); font-size: 12px; color: var(--muted); }

/* Bars */
.bar { height: 8px; background: var(--line-2); border-radius: 99px; overflow: hidden; min-width: 80px; }
.bar > span { display: block; height: 100%; background: var(--ok); }
.bar.warn > span { background: var(--warn); } .bar.crit > span { background: var(--crit); }

/* Forms */
input, select, textarea { font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; width: 100%; min-height: 36px; }
input[type=checkbox], input[type=radio] { width: auto; min-height: auto; }
textarea { min-height: 80px; font-family: var(--mono); font-size: 12px; }
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--primary) 40%, transparent); border-color: var(--primary); }
label.f { display: block; margin-bottom: 10px; }
label.f > span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 3px; font-weight: 600; }
label.chk { display: flex; align-items: center; gap: 8px; margin: 6px 0 10px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 0 14px; }
.hint { font-size: 12px; color: var(--muted); margin: -4px 0 10px; }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; min-height: 36px; border-radius: 8px; border: 1px solid var(--line); background: var(--panel); color: var(--text); cursor: pointer; font: inherit; font-weight: 600; white-space: nowrap; }
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-d); color: #fff; }
.btn.danger { color: var(--crit); }
.btn.danger:hover { border-color: var(--crit); }
.btn.sm { padding: 3px 9px; min-height: 28px; font-size: 12px; }
.btn:disabled { opacity: .55; cursor: default; }
.btns { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 14px; overflow-x: auto; }
.tabs a { padding: 8px 12px; border-bottom: 2px solid transparent; color: var(--muted); white-space: nowrap; }
.tabs a.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.filters > * { width: auto; min-width: 140px; }

/* Login */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login { width: 100%; max-width: 380px; }
.login .brand { justify-content: center; font-size: 18px; padding-bottom: 18px; }
.qr { display: block; margin: 8px auto; border-radius: 8px; background: #fff; padding: 6px; }

/* Diff */
.diff { font-family: var(--mono); font-size: 12px; white-space: pre; overflow: auto; max-height: 70vh; border: 1px solid var(--line); border-radius: 8px; }
.diff div { padding: 0 8px; }
.diff .add { background: var(--ok-bg); color: var(--ok); }
.diff .del { background: var(--crit-bg); color: var(--crit); }
.diff .ctx { color: var(--muted); }
.diff .skip { color: var(--muted); background: var(--line-2); font-style: italic; }

/* Chart */
.chart { width: 100%; height: auto; display: block; }
.chart text { fill: var(--muted); font-size: 10px; }
.chart .grid-l { stroke: var(--line-2); }
.legend { display: flex; gap: 12px; flex-wrap: wrap; font-size: 12px; color: var(--muted); }
.legend i { display: inline-block; width: 10px; height: 3px; border-radius: 2px; margin-right: 4px; vertical-align: middle; }

/* Modal & Toast */
.modal { position: fixed; inset: 0; background: rgba(10,15,25,.45); display: grid; place-items: center; z-index: 50; padding: 12px; }
.modal-box { background: var(--panel); border-radius: 12px; width: 100%; max-width: 640px; max-height: 92vh; overflow: auto; padding: 18px; box-shadow: 0 10px 40px rgba(0,0,0,.25); }
.modal-box.wide { max-width: 1100px; }
.toast { position: fixed; bottom: 18px; right: 18px; z-index: 60; background: var(--text); color: var(--panel); padding: 10px 14px; border-radius: 8px; opacity: 0; transform: translateY(10px); transition: all .2s; pointer-events: none; max-width: 420px; }
.toast.show { opacity: 1; transform: none; }
.toast.err { background: var(--crit); color: #fff; }
.empty { padding: 20px; text-align: center; color: var(--muted); }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-word; }
.ok-text { color: var(--ok); } .crit-text { color: var(--crit); } .warn-text { color: var(--warn); }
details summary { cursor: pointer; color: var(--primary); }