:root { --teal:#227f85; --teal-deep:#0b4e53; --coral:#ff6b54; --page:#f9f9f7; --surface:#fff; --surface-2:#f2f2ee;
  --ink:#0b0b0b; --ink-2:#3d3c38; --muted:#6b6a65; --line:#e1e0d9; --ok:#2e9e5b; --warn:#d98b00; --bad:#d64545;
  --ok-bg:#dff3e7; --ok-ink:#1f6e40; --bad-bg:#ffe3de; --bad-ink:#b23a27; --warn-bg:#fff1d6; --warn-ink:#8a5a00;
  --shadow:rgba(0,0,0,.12); color-scheme:light; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --page:#121211; --surface:#1c1c1a; --surface-2:#262624;
  --ink:#f2f2ef; --ink-2:#c9c7c0; --muted:#8f8d85; --line:#34332f; --teal:#3aa4ab; --ok:#4cc27e; --warn:#f0a93a; --bad:#ef6a6a;
  --ok-bg:#16351f; --ok-ink:#8fe0ae; --bad-bg:#3d1c18; --bad-ink:#ffab9e; --warn-bg:#3a2b0f; --warn-ink:#f4cf85;
  --shadow:rgba(0,0,0,.5); color-scheme:dark; } }
:root[data-theme="dark"] { --page:#121211; --surface:#1c1c1a; --surface-2:#262624;
  --ink:#f2f2ef; --ink-2:#c9c7c0; --muted:#8f8d85; --line:#34332f; --teal:#3aa4ab; --ok:#4cc27e; --warn:#f0a93a; --bad:#ef6a6a;
  --ok-bg:#16351f; --ok-ink:#8fe0ae; --bad-bg:#3d1c18; --bad-ink:#ffab9e; --warn-bg:#3a2b0f; --warn-ink:#f4cf85;
  --shadow:rgba(0,0,0,.5); color-scheme:dark; }
* { box-sizing:border-box; }
body { margin:0; font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif; background:var(--page); color:var(--ink); font-size:15px; }
a { color:var(--teal); text-decoration:none; } a:hover { text-decoration:underline; }
header.top { background:linear-gradient(180deg,#0d565c,var(--teal-deep)); color:#fff; display:flex; align-items:center; gap:16px;
  padding:0 20px; height:56px; border-bottom:3px solid var(--coral); position:sticky; top:0; z-index:100; box-shadow:0 2px 14px rgba(0,0,0,.18); }
header.top .brand { font-weight:800; letter-spacing:.02em; color:#fff; font-size:17px; white-space:nowrap; display:inline-flex; align-items:baseline; }
header.top .brand small { font-weight:600; opacity:.65; margin-left:8px; font-size:10px; text-transform:uppercase; letter-spacing:.08em; }
header.top nav { display:flex; gap:2px; flex:1; align-items:center; flex-wrap:wrap; }
header.top nav > a, header.top details.menu summary { color:#d7eaeb; padding:7px 11px; border-radius:8px; font-size:14px; font-weight:500;
  white-space:nowrap; line-height:1.1; transition:background .12s, color .12s, box-shadow .12s; }
header.top nav > a:hover, header.top details.menu summary:hover { background:rgba(255,255,255,.13); color:#fff; text-decoration:none; }
header.top nav > a.on, header.top details.menu.on summary { background:rgba(255,255,255,.14); color:#fff; box-shadow:inset 0 -2px 0 var(--coral); }
header.top details.menu { position:relative; }
header.top details.menu summary { cursor:pointer; list-style:none; user-select:none; display:inline-flex; align-items:center; }
header.top details.menu summary::-webkit-details-marker { display:none; }
header.top details.menu summary::after { content:"▾"; font-size:10px; margin-left:6px; opacity:.6; transition:transform .15s; }
header.top details.menu[open] summary { background:rgba(255,255,255,.16); color:#fff; }
header.top details.menu[open] summary::after { transform:rotate(180deg); opacity:.9; }
header.top details.menu > div { position:absolute; top:calc(100% + 9px); left:0; z-index:50; min-width:208px; display:flex; flex-direction:column; gap:1px;
  background:var(--surface); border:1px solid var(--line); border-radius:12px; padding:7px; box-shadow:0 14px 38px var(--shadow); animation:navpop .14s ease-out; }
header.top details.menu > div::before { content:""; position:absolute; top:-6px; left:16px; width:11px; height:11px; background:var(--surface);
  border-left:1px solid var(--line); border-top:1px solid var(--line); transform:rotate(45deg); }
header.top details.menu > div a { color:var(--ink-2); padding:8px 11px; border-radius:7px; font-size:14px; display:flex; align-items:center; justify-content:space-between; gap:14px; position:relative; }
header.top details.menu > div a:hover { background:var(--surface-2); text-decoration:none; color:var(--ink); }
header.top details.menu > div a.on { color:var(--teal); font-weight:600; background:var(--surface-2); }
@keyframes navpop { from { opacity:0; transform:translateY(-5px); } to { opacity:1; transform:none; } }
header.top .search { margin-left:4px; }
header.top .search input { background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.2); color:#fff; border-radius:999px;
  padding:6px 13px; font:inherit; font-size:13px; outline:none; transition:background .12s, border-color .12s, max-width .18s; }
header.top .search input::placeholder { color:#bcd9da; }
header.top .search input:focus { background:rgba(255,255,255,.2); border-color:rgba(255,255,255,.45); }
header.top .me { color:#d7eaeb; font-size:13px; display:inline-flex; align-items:center; gap:7px; white-space:nowrap; }
header.top .me > a { color:#fff; font-weight:500; }
header.top .me button { background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.22); color:#fff; cursor:pointer; font:inherit;
  font-size:12px; padding:4px 11px; border-radius:999px; transition:background .12s; } header.top .me button:hover { background:rgba(255,255,255,.24); }
main { max-width:1280px; margin:0 auto; padding:24px; }
h1 { font-size:24px; margin:0 0 4px; } .sub { color:var(--muted); margin:0 0 20px; }
.card { background:var(--surface); border:1px solid var(--line); border-radius:12px; padding:18px; margin-bottom:16px; }
.card h2 { font-size:16px; margin:0 0 12px; }
.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(--line); border-radius:12px; padding:16px; }
.tile .n { font-size:28px; font-weight:800; } .tile .l { color:var(--muted); font-size:13px; }
.tile.bad .n { color:var(--bad); } .tile.warn .n { color:var(--warn); } .tile.ok .n { color:var(--ok); }
table { width:100%; border-collapse:collapse; } th, td { text-align:left; padding:9px 10px; border-bottom:1px solid var(--line); vertical-align:top; }
th { font-size:12px; text-transform:uppercase; letter-spacing:.04em; color:var(--muted); font-weight:600; }
tr:hover td { background:var(--surface-2); }
.dot { display:inline-block; width:9px; height:9px; border-radius:50%; margin-right:6px; vertical-align:middle; }
.dot.on { background:var(--ok); } .dot.off { background:var(--muted); }
.pill { display:inline-block; padding:2px 8px; border-radius:999px; font-size:12px; font-weight:600; background:var(--surface-2); color:var(--ink-2); }
.pill.sec { background:var(--bad-bg); color:var(--bad-ink); } .pill.upd { background:var(--warn-bg); color:var(--warn-ink); } .pill.ok { background:var(--ok-bg); color:var(--ok-ink); }
.muted { color:var(--muted); } .small { font-size:13px; } .mono { font-family:ui-monospace,Menlo,monospace; font-size:13px; }
.btn { display:inline-block; padding:8px 14px; border-radius:8px; border:1px solid var(--line); background:var(--surface); color:var(--ink); cursor:pointer; font:inherit; }
.btn.primary { background:var(--teal); border-color:var(--teal); color:#fff; } .btn:hover { text-decoration:none; filter:brightness(.97); }
input.input, select.input, textarea.input { padding:8px 10px; border:1px solid var(--line); border-radius:8px; background:var(--surface); color:var(--ink); font:inherit; }
.row { display:flex; gap:10px; align-items:center; flex-wrap:wrap; } .grid2 { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width:800px) { .grid2 { grid-template-columns:1fr; } }
dl.facts { display:grid; grid-template-columns:max-content 1fr; gap:6px 16px; margin:0; } dl.facts dt { color:var(--muted); } dl.facts dd { margin:0; }
.msgs { list-style:none; padding:0; margin:0 0 16px; } .msgs li { padding:10px 14px; border-radius:8px; background:var(--ok-bg); color:var(--ok-ink); margin-bottom:6px; }
.msgs li.error { background:var(--bad-bg); color:var(--bad-ink); }
.tabs { display:flex; gap:6px; margin-bottom:12px; } .tabs a { padding:6px 12px; border-radius:8px; color:var(--ink-2); } .tabs a.on { background:var(--surface-2); color:var(--ink); font-weight:600; }
.login { max-width:380px; margin:10vh auto; } .login .card { padding:28px; } .login label { display:block; margin:10px 0 4px; font-size:13px; color:var(--muted); }
.login input { width:100%; }
/* Uptime: heartbeat bars, status colours */
.beats { display:flex; gap:2px; align-items:flex-end; } .beats i { display:block; width:6px; height:22px; border-radius:3px; background:var(--line); }
.beats i.up { background:var(--ok); } .beats i.down { background:var(--bad); } .beats i.maintenance { background:#4c7ad9; }
.st { font-weight:700; } .st.up { color:var(--ok); } .st.down { color:var(--bad); } .st.pending { color:var(--warn); } .st.maintenance { color:#4c7ad9; } .st.paused { color:var(--muted); }
.banner { padding:16px 20px; border-radius:12px; color:#fff; font-weight:700; font-size:18px; margin-bottom:16px; }
.banner.up { background:var(--ok); } .banner.down { background:var(--bad); } .banner.maintenance { background:#4c7ad9; }
form.stack p { margin:0 0 12px; } form.stack label { display:block; font-size:13px; color:var(--muted); margin-bottom:4px; }
form.stack input:not([type=checkbox]), form.stack select, form.stack textarea { width:100%; }
form.stack ul { list-style:none; padding:0; margin:0; display:flex; flex-wrap:wrap; gap:6px 14px; }
.errorlist { color:var(--bad); font-size:13px; list-style:none; padding:0; margin:4px 0; }
/* Monitoring: severities (Zabbix's colours) */
.sev { display:inline-block; padding:2px 8px; border-radius:6px; font-size:12px; font-weight:700; color:#fff; }
.sev-1 { background:#7499ff; } .sev-2 { background:#ffc859; color:#333; } .sev-3 { background:#ffa059; } .sev-4 { background:#e97659; } .sev-5 { background:#e45959; }
svg.spark { width:160px; height:28px; } svg.spark polyline { fill:none; stroke:var(--teal); stroke-width:1.5; }
/* MikroTik: configuration diffs */
pre.diff { margin:0; white-space:pre-wrap; font-size:12.5px; } pre.diff .add { background:var(--ok-bg); color:var(--ok-ink); display:block; } pre.diff .del { background:var(--bad-bg); color:var(--bad-ink); display:block; } pre.diff .at { color:var(--muted); display:block; }
pre.out { background:var(--surface-2); padding:10px; border-radius:8px; white-space:pre-wrap; font-size:12.5px; max-height:480px; overflow:auto; }
/* Charts, dashboards and maps */
svg.chart, svg.donut, svg.netmap { color:var(--ink); display:block; }
.legend { width:auto; font-size:12.5px; margin-top:6px; } .legend td, .legend th { padding:3px 10px 3px 0; border:0; } .legend tr:hover td { background:none; }
.legend .sw { display:inline-block; width:12px; height:3px; border-radius:2px; vertical-align:middle; margin-right:6px; }
.periods { display:flex; gap:4px; flex-wrap:wrap; margin-bottom:12px; } .periods a { padding:4px 10px; border-radius:6px; border:1px solid var(--line); color:var(--ink-2); font-size:13px; }
.periods a.on { background:var(--teal); border-color:var(--teal); color:#fff; } .periods a:hover { text-decoration:none; }
.widgets { display:grid; grid-template-columns:repeat(12,1fr); gap:14px; } .widgets > .card { margin:0; min-width:0; }
.w-1 { grid-column:span 4; } .w-2 { grid-column:span 6; } .w-3 { grid-column:span 8; } .w-4 { grid-column:span 12; }
@media (max-width:900px) { .w-1, .w-2, .w-3, .w-4 { grid-column:span 12; } }
.wbar { display:flex; justify-content:space-between; align-items:center; gap:8px; margin-bottom:8px; } .wbar h2 { margin:0; }
.wbar form { display:inline; } .wbar .btn { padding:2px 8px; font-size:12px; }
.donutrow { display:flex; gap:18px; align-items:center; } .donutrow table { width:auto; } .donutrow td { padding:3px 8px; border:0; font-size:13px; }
.bigvalue { font-size:40px; font-weight:800; padding:16px 0; }
svg.netmap .node { cursor:pointer; } .editing svg.netmap .node { cursor:move; }
header.top nav { flex-wrap:wrap; row-gap:4px; } header.top { height:auto; min-height:56px; padding-top:7px; padding-bottom:7px; }
a.tile { color:inherit; text-decoration:none; } a.tile:hover { border-color:var(--teal); text-decoration:none; }
/* Reports */
.report .rsec { background:var(--surface); border:1px solid var(--line); border-radius:12px; padding:18px; margin-bottom:16px; }
.report .rsec h2 { font-size:18px; margin:0 0 12px; } .report h3 { font-size:14px; margin:16px 0 8px; }
.cols { display:flex; gap:18px; align-items:center; flex-wrap:wrap; } table.narrow { width:auto; } .bad { color:var(--bad); }
.ss{position:relative}.ss-chips{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:4px}.ss-chips a{text-decoration:none;margin-left:2px}
.ss-list{position:absolute;z-index:30;left:0;right:0;max-height:260px;overflow:auto;background:var(--surface,#fff);border:1px solid var(--line,#ddd);border-radius:8px;box-shadow:0 6px 24px var(--shadow);display:flex;flex-direction:column}
.ss-list a,.ss-list span{padding:6px 10px}.ss-list a:hover{background:var(--surface-2,#f3f3f3)}
/* Theme switch */
.theme { background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.25); color:#fff; border-radius:999px; padding:4px 10px;
  font:inherit; font-size:13px; cursor:pointer; white-space:nowrap; } .theme:hover { background:rgba(255,255,255,.2); }
.theme-float { position:fixed; top:14px; right:14px; background:var(--surface); color:var(--ink); border-color:var(--line); }

/* Charts (Traffic): the categorical palette, validated against this app's cards in both modes */
.viz { --series-1:#2a78d6; --series-2:#eb6834; --series-3:#1baf7a; --series-4:#eda100; --series-5:#e87ba4;
  --series-6:#008300; --series-7:#6250d6; --series-other:#a3a29b; --viz-grid:#ecebe6; --viz-axis:#c9c7c0; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .viz { --series-1:#3987e5; --series-2:#d95926;
  --series-3:#199e70; --series-4:#c98500; --series-5:#d55181; --series-6:#008300; --series-7:#9085e9;
  --series-other:#6b6a65; --viz-grid:#2c2c29; --viz-axis:#45443f; } }
:root[data-theme="dark"] .viz { --series-1:#3987e5; --series-2:#d95926; --series-3:#199e70; --series-4:#c98500;
  --series-5:#d55181; --series-6:#008300; --series-7:#9085e9; --series-other:#6b6a65; --viz-grid:#2c2c29; --viz-axis:#45443f; }
.viz [data-chart] { position:relative; }
.viz-legend { display:flex; flex-wrap:wrap; gap:6px 16px; margin:0 0 8px; font-size:13px; color:var(--ink-2); }
.viz-legend i, .viz-tip i, .viz-key i { display:inline-block; width:10px; height:10px; border-radius:3px; margin-right:6px; vertical-align:-1px; }
.viz-legend b { font-weight:500; color:var(--muted); }
.viz-grid { stroke:var(--viz-grid); stroke-width:1; } .viz-axis { stroke:var(--viz-axis); stroke-width:1; }
.viz-tick { fill:var(--muted); font-size:11px; }
.viz-band { fill-opacity:.85; } .viz-edge { fill:none; stroke:var(--surface); stroke-width:2; }
.viz-cross { stroke:var(--ink-2); stroke-width:1; stroke-dasharray:3 3; }
.viz-tip { position:absolute; z-index:40; pointer-events:none; background:var(--surface); color:var(--ink); border:1px solid var(--line);
  border-radius:8px; padding:8px 10px; font-size:12px; box-shadow:0 6px 22px var(--shadow); white-space:nowrap; }
.viz-tip strong { display:block; margin-bottom:4px; } .viz-tip .viz-total { border-top:1px solid var(--line); margin-top:4px; padding-top:4px; font-weight:600; }
.viz-float { position:absolute; }
.viz-table summary { cursor:pointer; color:var(--muted); font-size:12px; margin-top:6px; } .viz-table table { margin-top:6px; }
.viz-bar { display:flex; height:10px; border-radius:0 4px 4px 0; overflow:hidden; gap:2px; min-width:2px; }
.viz-bar span { display:block; height:100%; } .viz-bar span:last-child { border-radius:0 4px 4px 0; }
.viz-rows td { vertical-align:middle; } .viz-rows .barcell { width:38%; } .viz-rows td.small, .viz table td.small { white-space:nowrap; }
.viz-key { font-size:12px; color:var(--muted); margin-bottom:6px; } .viz-key span { margin-right:12px; }
.chip { display:inline-flex; align-items:center; gap:6px; background:var(--surface-2); border:1px solid var(--line); border-radius:999px; padding:3px 10px; font-size:13px; }
.chip a { color:var(--muted); text-decoration:none; }
/* The top bar on narrower screens: tighter, so it stays on one line */
@media (max-width:1440px) { header.top { gap:12px; padding:7px 16px; } header.top .brand small { display:none; }
  header.top nav > a, header.top details.menu summary { padding:7px 8px; font-size:13px; }
  header.top .search input { max-width:120px; } }
@media (max-width:1100px) { header.top .search input { max-width:96px; } header.top .search input:focus { max-width:170px; } }