:root {
  /* Matches the FFIT IPAM palette */
  --bg: #0B1939;
  --panel: #122348;
  --panel-2: #0f1f42;
  --panel-3: #1a2d58;
  --border: #263c6e;
  --text: #e8edf7;
  --muted: #9aa9c9;
  --faint: #6f80a6;
  --grid: rgba(154, 169, 201, .14);
  --accent: #6f95ff;
  --accent-fg: #0B1939;
  --accent-soft: rgba(111, 149, 255, .16);
  --up: #52c98a;
  --warn: #f0a848;
  --down: #f4777a;
  --unreach: #b99af5;
  --paused: #6f80a6;
  --unknown: #8191b5;
  --in: #45d0bd;
  --in-soft: rgba(69, 208, 189, .14);
  --out: #6f95ff;
  --out-soft: rgba(111, 149, 255, .10);
  --loss: rgba(244, 119, 122, .55);
  --thresh: rgba(240, 168, 72, .85);
  --radius: 6px;
  --ui: "Chivo", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.45 var(--ui);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
button { font: inherit; color: inherit; }
input, select, textarea { font: inherit; color: var(--text); }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.mono { font-family: var(--mono); font-size: 12.5px; }
.num { font-variant-numeric: tabular-nums; }

/* ---------- buttons ---------- */
.btn {
  border: 1px solid var(--border); background: var(--panel-2); border-radius: var(--radius);
  padding: 7px 13px; cursor: pointer; font-weight: 500; white-space: nowrap;
  transition: background .12s, border-color .12s;
}
.btn:hover { background: var(--panel-3); }
.btn:disabled { opacity: .55; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); font-weight: 600; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--down); }
.btn.danger:hover { border-color: var(--down); }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.ghost:hover { background: var(--panel-2); border-color: var(--border); }
.btn.sm { padding: 5px 10px; font-size: 13px; }
.btn.wide { width: 100%; }
.btn.link { background: none; border: none; color: var(--accent); padding: 8px 0; }
.btn.active { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.icon-btn { background: none; border: 0; cursor: pointer; font-size: 18px; padding: 4px 8px; color: var(--muted); }

/* ---------- login ---------- */
.login { min-height: 100%; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 380px; background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 28px; }
.login-brand { display: flex; gap: 12px; align-items: center; margin-bottom: 22px; }
.login-title { font-weight: 700; font-size: 16px; }
.login-sub { color: var(--muted); font-size: 13px; }
.code-input { letter-spacing: 8px; font-size: 22px !important; text-align: center; font-family: var(--mono); }

/* ---------- form fields ---------- */
.fld { display: block; margin-bottom: 14px; }
.fld > span { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 5px; font-weight: 500; }
.fld input:not([type=checkbox]), .fld select, .fld textarea, .side-head input, .inline-input {
  width: 100%; background: var(--panel-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 8px 10px; outline: none;
}
.fld input:focus, .fld select:focus, .fld textarea:focus, .side-head input:focus, .inline-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.fld textarea { min-height: 70px; resize: vertical; }
.fld .help { display: block; font-size: 12px; color: var(--faint); margin-top: 4px; }
.check { display: flex; gap: 9px; align-items: flex-start; margin-bottom: 12px; cursor: pointer; }
.check input { margin-top: 3px; accent-color: var(--accent); width: 15px; height: 15px; }
.check small { display: block; color: var(--faint); font-size: 12px; }
.form-err { color: var(--down); font-size: 13px; min-height: 18px; margin-top: 6px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.row3 { display: grid; grid-template-columns: 2fr 1fr; gap: 12px; }
.row4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.fieldset-title { font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--faint); margin: 6px 0 10px; font-weight: 600; }

/* ---------- layout ---------- */
.app { display: grid; grid-template-columns: 340px minmax(0, 1fr); grid-template-rows: 54px 1fr; height: 100vh; }
.topbar {
  grid-column: 1 / -1; display: flex; align-items: center; gap: 14px; padding: 0 14px;
  background: var(--panel); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 8px; color: var(--text); font-size: 15px; letter-spacing: .01em; }
.brand b { font-weight: 700; }
.menu-btn { display: none; }
.pills { display: flex; gap: 6px; flex: 1; min-width: 0; overflow: hidden; }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--border); font-size: 12.5px; white-space: nowrap; }
.pill b { font-variant-numeric: tabular-nums; }
.top-actions { display: flex; align-items: center; gap: 4px; }
.user { color: var(--muted); font-size: 12.5px; margin: 0 6px; }
#alertsBtn.has { color: var(--down); border-color: rgba(242,84,91,.4); }

.sidebar { background: var(--panel); border-right: 1px solid var(--border); display: flex; flex-direction: column; min-height: 0; }
.side-head { display: flex; gap: 8px; padding: 12px; border-bottom: 1px solid var(--border); }
.side-head input { padding: 6px 10px; }
.main { overflow: auto; padding: 22px 26px 60px; min-width: 0; }

/* ---------- tree ---------- */
.tree { overflow: auto; padding: 6px 4px 40px; flex: 1; }
.node {
  display: flex; align-items: center; gap: 7px; padding: 4px 8px 4px 2px; border-radius: 7px; cursor: pointer;
  user-select: none; min-height: 29px;
}
.node:hover { background: var(--panel-2); }
.node.sel { background: var(--accent-soft); }
.node.sel .lbl { color: var(--accent); }
.tw { width: 16px; height: 18px; border: 0; background: none; cursor: pointer; color: var(--faint); flex: none; padding: 0; display: grid; place-items: center; }
.tw::before { content: ""; width: 0; height: 0; border-left: 5px solid currentColor; border-top: 4px solid transparent; border-bottom: 4px solid transparent; transition: transform .12s; }
.tw.open::before { transform: rotate(90deg); }
.tw.none { visibility: hidden; }
.lbl { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lbl .sub { color: var(--muted); font-size: 12.5px; }
.cnt { color: var(--faint); font-size: 11.5px; font-variant-numeric: tabular-nums; }
.meta { flex: none; color: var(--muted); font-size: 11.5px; font-variant-numeric: tabular-nums; font-family: var(--mono); }
.kids { padding-left: 6px; margin-left: 8px; border-left: 1px solid var(--border); }
.lvl-state > .node .lbl { font-weight: 600; }
.lvl-site > .node .lbl { font-weight: 500; }
.kind-tag { flex: none; font-size: 10px; color: var(--faint); border: 1px solid var(--border); border-radius: 4px; padding: 0 4px; text-transform: uppercase; letter-spacing: .03em; }
.tree-empty { color: var(--muted); padding: 18px 12px; font-size: 13px; }

/* ---------- status dot ---------- */
.dot { width: 9px; height: 9px; border-radius: 50%; flex: none; background: var(--unknown); }
.dot.up { background: var(--up); }
.dot.warn { background: var(--warn); }
.dot.down { background: var(--down); box-shadow: 0 0 0 3px rgba(242,84,91,.18); animation: pulse 1.6s infinite; }
.dot.unreachable { background: var(--unreach); }
.dot.paused { background: transparent; border: 2px solid var(--paused); }
.dot.none { background: transparent; border: 1px dashed var(--faint); }
@keyframes pulse { 50% { box-shadow: 0 0 0 5px rgba(242,84,91,.05); } }
.st { display: inline-flex; align-items: center; gap: 7px; font-weight: 500; white-space: nowrap; }
.st.up { color: var(--up); } .st.warn { color: var(--warn); } .st.down { color: var(--down); }
.st.unreachable { color: var(--unreach); } .st.paused, .st.unknown, .st.none { color: var(--muted); }

/* ---------- main content ---------- */
.crumbs { color: var(--muted); font-size: 12.5px; margin-bottom: 4px; display: flex; gap: 6px; flex-wrap: wrap; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--accent); }
.crumbs .sep { color: var(--faint); }
.page-head { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.page-head h1 { margin: 0; font-size: 22px; font-weight: 650; letter-spacing: -.01em; display: flex; align-items: center; gap: 10px; }
.page-head .sub { color: var(--muted); margin-top: 3px; font-size: 13px; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.page-head .grow { flex: 1; min-width: 200px; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 18px; }
.tile { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; }
.tile .k { color: var(--muted); font-size: 12px; margin-bottom: 4px; }
.tile .v { font-size: 22px; font-weight: 650; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.tile .v small { font-size: 13px; color: var(--muted); font-weight: 500; margin-left: 2px; }
.tile .d { color: var(--faint); font-size: 12px; margin-top: 2px; }
.tile.clickable { cursor: pointer; }
.tile.clickable:hover { border-color: var(--accent); }
.v.up { color: var(--up); } .v.warn { color: var(--warn); } .v.down { color: var(--down); } .v.unreachable { color: var(--unreach); }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 16px; }
.card-head { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.card-head h2 { margin: 0; font-size: 14.5px; font-weight: 600; flex: 1; min-width: 160px; }
.card-head .legend { display: flex; gap: 14px; color: var(--muted); font-size: 12.5px; flex-wrap: wrap; }
.card-head .legend i { display: inline-block; width: 10px; height: 3px; border-radius: 2px; vertical-align: middle; margin-right: 5px; }
.card-body { padding: 14px 16px; }
.card-body.flush { padding: 0; }
.chart-box { position: relative; height: 240px; }
.chart-box.tall { height: 300px; }
.chart-empty { height: 100%; display: grid; place-items: center; color: var(--muted); font-size: 13px; text-align: center; padding: 20px; }

.seg { display: inline-flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.seg button { border: 0; background: var(--panel-2); padding: 5px 11px; cursor: pointer; font-size: 12.5px; color: var(--muted); }
.seg button + button { border-left: 1px solid var(--border); }
.seg button.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }

table.grid { width: 100%; border-collapse: collapse; }
.grid th { text-align: left; font-weight: 500; color: var(--muted); font-size: 12px; padding: 9px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.grid td { padding: 9px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.grid tr:last-child td { border-bottom: 0; }
.grid tr.click { cursor: pointer; }
.grid tr.click:hover td { background: var(--panel-2); }
.grid td.r, .grid th.r { text-align: right; }
.table-wrap { overflow-x: auto; }
.indent { display: inline-block; color: var(--faint); font-family: var(--mono); margin-right: 4px; }

.empty { text-align: center; padding: 50px 20px; color: var(--muted); }
.empty h3 { color: var(--text); margin: 0 0 6px; font-size: 17px; }
.empty p { margin: 0 0 16px; }
.note { background: var(--panel-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 12px; color: var(--muted); font-size: 13px; }
.note.err { border-color: rgba(242,84,91,.45); color: var(--down); }
.note.warn { border-color: rgba(227,162,42,.45); color: var(--warn); }
.badge { display: inline-block; font-size: 11px; font-weight: 600; border-radius: 5px; padding: 1px 6px; background: var(--panel-3); color: var(--muted); letter-spacing: .02em; }
.badge.down { background: rgba(242,84,91,.15); color: var(--down); }
.badge.config { background: var(--accent-soft); color: var(--accent); }
.badge.backup { background: rgba(244,119,122,.15); color: var(--down); }
.badge.cpu, .badge.memory, .badge.disk,
.badge.latency, .badge.util { background: rgba(227,162,42,.15); color: var(--warn); }
.badge.ok { background: rgba(64,196,99,.13); color: var(--up); }
.dep-chip { display: inline-flex; gap: 5px; align-items: center; font-size: 12.5px; color: var(--muted); }
.dep-chip a { color: var(--text); }

.iface-speed { width: 92px; padding: 4px 7px !important; font-size: 12.5px; }
.switch { position: relative; display: inline-block; width: 32px; height: 18px; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch span { position: absolute; inset: 0; background: var(--panel-3); border: 1px solid var(--border); border-radius: 999px; cursor: pointer; transition: .15s; }
.switch span::before { content: ""; position: absolute; width: 12px; height: 12px; left: 2px; top: 2px; background: var(--muted); border-radius: 50%; transition: .15s; }
.switch input:checked + span { background: var(--accent); border-color: var(--accent); }
.switch input:checked + span::before { transform: translateX(14px); background: var(--accent-fg); }

details.box > summary { cursor: pointer; list-style: none; }
details.box > summary::-webkit-details-marker { display: none; }

/* ---------- modal & toast ---------- */
.modal { position: fixed; inset: 0; background: rgba(5, 12, 30, .65); display: grid; place-items: center; padding: 16px; z-index: 50; backdrop-filter: blur(2px); }
.modal-card { width: 100%; max-width: 480px; max-height: calc(100vh - 32px); overflow: auto; background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 22px; }
.modal-card h3 { margin: 0 0 16px; font-size: 17px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 8px; }
.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: var(--panel-3); border: 1px solid var(--border); padding: 10px 16px; border-radius: 10px; z-index: 60; box-shadow: 0 8px 30px rgba(0,0,0,.3); max-width: calc(100vw - 32px); }
.toast.err { border-color: var(--down); color: var(--down); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .pills .pill:nth-child(n+3) { display: none; }
  .topbar { gap: 8px; padding: 0 8px; }
  .brand span { display: none; }
  .menu-btn { display: block; }
  .sidebar { position: fixed; top: 54px; bottom: 0; left: 0; width: min(330px, 88vw); z-index: 40; transform: translateX(-100%); transition: transform .18s; box-shadow: 8px 0 30px rgba(0,0,0,.3); }
  .app.side-open .sidebar { transform: none; }
  .main { padding: 16px 16px 60px; }
  .user, .pills .pill.opt { display: none; }
  .row2, .row3 { grid-template-columns: 1fr; }
  .row4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .top-actions .btn.sm { padding: 5px 7px; }
  .chart-box { height: 210px; }
}

/* ---------- config backup ---------- */
.cfg-meta { display: flex; flex-wrap: wrap; gap: 6px 22px; font-size: 13px; color: var(--muted); }
.cfg-meta b { color: var(--text); font-weight: 600; }
.diff-add { color: var(--up); font-family: var(--mono); font-size: 12.5px; }
.diff-del { color: var(--down); font-family: var(--mono); font-size: 12.5px; }
#cfgViewer { border-top: 1px solid var(--border); }
.cfg-viewer-head { border-bottom: 1px solid var(--border); }
.cfg-pre { margin: 0; padding: 12px 16px; max-height: 560px; overflow: auto; font-family: var(--mono); font-size: 12px; line-height: 1.55; white-space: pre; background: var(--panel-2); border-radius: 0 0 var(--radius) var(--radius); }
.cfg-pre.diff { padding: 8px 0; }
.dl { display: block; padding: 0 16px; min-height: 1.55em; }
.dl.add { background: rgba(82, 201, 138, .13); color: #8fe3b4; }
.dl.del { background: rgba(244, 119, 122, .13); color: #f7a4a6; }
.dl.hunk { color: var(--accent); background: var(--accent-soft); margin: 6px 0; }

/* ---------- resources ---------- */
.meter { height: 5px; border-radius: 3px; background: var(--panel-2); overflow: hidden; margin: 6px 0 2px; }
.meter i { display: block; height: 100%; background: var(--up); border-radius: 3px; }
.meter i.warn { background: var(--warn); }
.meter i.down { background: var(--down); }
.res-tiles { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.disk-list { margin-top: 14px; display: grid; gap: 8px; }
.disk-row { display: grid; grid-template-columns: minmax(80px, 180px) 1fr auto; gap: 12px; align-items: center; }
.disk-row .meter { margin: 0; }
@media (max-width: 560px) { .disk-row { grid-template-columns: 1fr; gap: 4px; } }

/* ---------- severity / dashboard / firmware ---------- */
.sev { display: inline-block; font-family: var(--mono); font-size: 10px; font-weight: 600; letter-spacing: .04em; padding: 1px 5px; border-radius: 4px; vertical-align: 1px; white-space: nowrap; }
.sev.sev1 { background: rgba(244,119,122,.16); color: var(--down); }
.sev.sev2 { background: rgba(240,168,72,.16); color: var(--warn); }
.sev.sev3 { background: var(--accent-soft); color: var(--accent); }
.sev-card { border-left: 3px solid var(--border); }
.sev-card.sev1 { border-left-color: var(--down); }
.sev-card.sev2 { border-left-color: var(--warn); }
.sev-card.sev3 { border-left-color: var(--accent); }
.sev-tile.sev1 .v { color: var(--down); }
.sev-tile.sev2 .v { color: var(--warn); }
.sev-tile.sev3 .v { color: var(--accent); }
.sev-ok { color: var(--up); font-size: 13px; }
.issue { margin: 2px 0; font-size: 13px; }
.issue .badge { margin-right: 4px; }
.badge.unreachable { background: rgba(185,154,245,.15); color: var(--unreach); }
.badge.warn { background: rgba(240,168,72,.15); color: var(--warn); }
tr.dim td { opacity: .72; }
.uptime { font-family: var(--mono); font-size: 19px !important; letter-spacing: -.01em; white-space: nowrap; }
.sev-card table, .fw-group table { min-width: 680px; }
.uptime-cell { font-family: var(--mono); font-size: 12.5px; }
.fw-summary { display: flex; flex-wrap: wrap; gap: 8px; padding-top: 10px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.fw-chip { font-size: 12.5px; background: var(--panel-2); border: 1px solid var(--border); border-radius: 999px; padding: 3px 10px; }
.fw-chip .mono { font-size: 12px; }
@media (max-width: 560px) { .pills { display: none; } .nav-opt { display: none; } }