/* DreamStage download network console.
 * Direction: operational / dense / calm. Greyscale chrome; colour = data + state only.
 * Tokens: dataviz reference palette (validated slots 1-2 + fixed status), graphite surfaces.
 */
:root {
  color-scheme: dark;
  --page: #0f0f0e;
  --surface: #1a1a19;
  --surface-2: #222220;
  --surface-3: #2a2a27;
  --ink: #f0efec;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --axis: #383835;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.18);
  --va: #3987e5;
  --fra: #d95926;
  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --good-ink: #0ca30c;
  --focus: #f0efec;
  --font: 'IBM Plex Sans', system-ui, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'Cascadia Mono', monospace;
  --r: 2px;
}
:root[data-theme="light"] {
  color-scheme: light;
  --page: #f4f4f1;
  --surface: #fcfcfb;
  --surface-2: #f3f3f0;
  --surface-3: #eaeae6;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #74726c;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --line: rgba(11, 11, 11, 0.10);
  --line-strong: rgba(11, 11, 11, 0.22);
  --va: #2a78d6;
  --fra: #eb6834;
  --good-ink: #006300;
  --focus: #0b0b0b;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --page: #f4f4f1; --surface: #fcfcfb; --surface-2: #f3f3f0; --surface-3: #eaeae6;
    --ink: #0b0b0b; --ink-2: #52514e; --muted: #74726c; --grid: #e1e0d9; --axis: #c3c2b7;
    --line: rgba(11, 11, 11, 0.10); --line-strong: rgba(11, 11, 11, 0.22);
    --va: #2a78d6; --fra: #eb6834; --good-ink: #006300; --focus: #0b0b0b;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--page);
  color: var(--ink);
  font: 400 13px/1.45 var(--font);
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; color: inherit; }
code, .mono { font-family: var(--mono); }
[hidden] { display: none !important; }
:focus-visible { outline: 1.5px solid var(--focus); outline-offset: 2px; }

/* ---------- brand ---------- */
.brand { display: flex; align-items: baseline; gap: 8px; font-weight: 600; letter-spacing: 0.01em; white-space: nowrap; }
.brand-mark { width: 14px; height: 6px; align-self: center; position: relative; }
.brand-mark::before, .brand-mark::after { content: ''; position: absolute; top: 0; width: 6px; height: 6px; border-radius: 50%; }
.brand-mark::before { left: 0; background: var(--fra); }
.brand-mark::after { right: 0; background: var(--va); }
.brand-sub { font: 400 11px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }

/* ---------- login ---------- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-box { width: min(340px, 100%); display: grid; gap: 10px; padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); }
.login-box .brand { margin-bottom: 12px; }
.login-msg { min-height: 1.4em; margin: 0; color: var(--serious); font-size: 12px; }

/* ---------- header ---------- */
.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 24px;
  height: 48px; padding: 0 16px;
  background: var(--page); border-bottom: 1px solid var(--line);
}
.tabs { display: flex; gap: 2px; height: 100%; }
.tabs button {
  background: none; border: 0; padding: 0 12px; height: 100%; cursor: pointer;
  color: var(--muted); border-bottom: 2px solid transparent; transition: color .15s, border-color .15s;
}
.tabs button:hover { color: var(--ink-2); }
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--ink); }
.top-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.fresh { font: 11px var(--mono); color: var(--muted); min-width: 64px; text-align: right; }
.fresh.stale { color: var(--warning); }

/* ---------- controls ---------- */
.seg { display: inline-flex; border: 1px solid var(--line-strong); border-radius: var(--r); overflow: hidden; }
.seg button { background: none; border: 0; padding: 3px 9px; font: 12px var(--mono); color: var(--muted); cursor: pointer; transition: background .15s, color .15s; }
.seg button + button { border-left: 1px solid var(--line); }
.seg button:hover { color: var(--ink); background: var(--surface-2); }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--page); }
.seg button:disabled { opacity: .45; cursor: not-allowed; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 11px; border-radius: var(--r); cursor: pointer;
  background: transparent; border: 1px solid var(--line-strong); color: var(--ink);
  transition: background .15s, border-color .15s, color .15s; white-space: nowrap;
}
.btn:hover { background: var(--surface-3); }
.btn.primary { background: var(--ink); color: var(--page); border-color: var(--ink); }
.btn.primary:hover { opacity: .88; }
.btn.danger { color: var(--critical); border-color: color-mix(in srgb, var(--critical) 55%, transparent); }
.btn.danger:hover { background: color-mix(in srgb, var(--critical) 12%, transparent); }
.btn.ghost { border-color: transparent; color: var(--ink-2); }
.btn.ghost:hover { color: var(--ink); background: var(--surface-2); }
.btn.sm { padding: 3px 8px; font-size: 12px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.icon-btn { background: none; border: 1px solid transparent; border-radius: var(--r); color: var(--muted); cursor: pointer; padding: 2px 6px; font-size: 14px; }
.icon-btn:hover { color: var(--ink); border-color: var(--line); }

input[type="text"], input[type="password"], input[type="number"], input:not([type]), select {
  background: var(--surface-2); border: 1px solid var(--line-strong); border-radius: var(--r);
  padding: 5px 8px; min-width: 0;
}
input:focus { outline: none; border-color: var(--ink-2); }
.lbl { font: 500 11px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: 0.07em; }

/* ---------- layout ---------- */
main { padding: 16px; display: grid; gap: 16px; max-width: 1680px; margin: 0 auto; }
.tab { display: grid; gap: 16px; }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 1000px) { .grid2 { grid-template-columns: minmax(0, 1fr); } }

.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 12px 14px 14px; min-width: 0; }
.panel-h { display: flex; align-items: baseline; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.panel-h h2 { margin: 0; font: 500 11px var(--mono); text-transform: uppercase; letter-spacing: 0.09em; color: var(--ink-2); }
.panel-h .hint { color: var(--muted); font-size: 12px; }
.panel-h .legend, .panel-h .right { margin-left: auto; }
.note { color: var(--muted); font-size: 12px; margin: 8px 0 0; }

.legend { display: flex; gap: 14px; font-size: 12px; color: var(--ink-2); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.chip { width: 10px; height: 3px; border-radius: 1px; display: inline-block; }
.chip.va { background: var(--va); }
.chip.fra { background: var(--fra); }
.dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; flex: none; }

/* ---------- status ---------- */
.status { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-2); }
.status .dot { background: var(--muted); }
.status.good .dot { background: var(--good); }
.status.warning .dot { background: var(--warning); }
.status.serious .dot { background: var(--serious); }
.status.critical .dot { background: var(--critical); }
.status .sym { font: 600 11px var(--mono); }
.status.good .sym { color: var(--good-ink); }
.status.warning .sym { color: var(--warning); }
.status.critical .sym { color: var(--critical); }
.status.serious .sym { color: var(--serious); }

/* ---------- topology ---------- */
.topo { width: 100%; overflow-x: auto; }
.topo svg { display: block; min-width: 860px; width: 100%; height: auto; }
.topo .n-box { fill: var(--surface-2); stroke: var(--line-strong); }
.topo .n-box.va { stroke: var(--va); }
.topo .n-box.fra { stroke: var(--fra); }
.topo .n-box.off { stroke-dasharray: 3 3; opacity: .55; }
.topo .n-title { font: 600 13px var(--font); fill: var(--ink); }
.topo .n-sub { font: 11px var(--mono); fill: var(--muted); }
.topo .n-val { font: 500 12px var(--mono); fill: var(--ink-2); }
.topo .edge { stroke: var(--axis); stroke-width: 1.5; fill: none; }
.topo .edge.live { stroke: var(--ink-2); }
.topo .edge.dim { stroke-dasharray: 2 4; opacity: .5; }
.topo .e-lbl { font: 11px var(--mono); fill: var(--muted); }
.topo .e-val { font: 500 11px var(--mono); fill: var(--ink-2); }
.topo .src { font: 12px var(--font); fill: var(--ink-2); }
.topo .arrow { fill: var(--ink-2); }

/* ---------- node cards ---------- */
.node-card .panel-h { margin-bottom: 14px; }
.node-card .ident { display: flex; align-items: center; gap: 10px; }
.node-card .ident .bar { width: 3px; height: 26px; border-radius: 1px; }
.node-card .ident .bar.va { background: var(--va); }
.node-card .ident .bar.fra { background: var(--fra); }
.node-card .ident .name { font: 600 15px var(--font); }
.node-card .ident .where { font: 11px var(--mono); color: var(--muted); }
.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px 16px; }
@media (max-width: 1300px) { .metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.metric .k { font: 500 10.5px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: 0.07em; }
.metric .v { font: 500 20px var(--font); margin-top: 2px; letter-spacing: -0.01em; }
.metric .v small { font: 400 12px var(--mono); color: var(--muted); margin-left: 3px; letter-spacing: 0; }
.metric .s { font-size: 11.5px; color: var(--muted); margin-top: 1px; }
.metric.hero .v { font-size: 30px; }
.meter { height: 3px; background: var(--surface-3); border-radius: 1px; margin-top: 5px; overflow: hidden; }
.meter i { display: block; height: 100%; background: var(--ink-2); }
.meter i.warning { background: var(--warning); }
.meter i.critical { background: var(--critical); }
.pingrow { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 14px; padding-top: 10px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.pingrow b { font: 500 12px var(--mono); color: var(--ink-2); }

/* ---------- charts ---------- */
.chart { position: relative; height: 240px; }
.chart.sm { height: 190px; }
.chart.xs { height: 130px; margin-bottom: 8px; }
.chart svg { display: block; width: 100%; height: 100%; overflow: visible; }
.chart .gl { stroke: var(--grid); stroke-width: 1; shape-rendering: crispEdges; }
.chart .base { stroke: var(--axis); stroke-width: 1; shape-rendering: crispEdges; }
.chart .tick { font: 10.5px var(--mono); fill: var(--muted); }
.chart .ln { fill: none; stroke-width: 1.75; stroke-linejoin: round; stroke-linecap: round; }
.chart .ar { opacity: .10; }
.chart .xh { stroke: var(--ink-2); stroke-width: 1; stroke-dasharray: 2 3; }
.chart .hd { stroke: var(--surface); stroke-width: 2; }
.chart .empty { font: 12px var(--font); fill: var(--muted); }
.multiples { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px 16px; }
@media (max-width: 1300px) { .multiples { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.mult h4 { margin: 0 0 2px; font: 500 12px var(--font); color: var(--ink-2); display: flex; align-items: center; gap: 6px; }
.mult .sub { font: 11px var(--mono); color: var(--muted); }
.mult .chart { height: 110px; }

.tip {
  position: fixed; z-index: 50; pointer-events: none;
  background: var(--surface-3); border: 1px solid var(--line-strong); border-radius: var(--r);
  padding: 6px 8px; font-size: 12px; min-width: 120px;
}
.tip .t { font: 11px var(--mono); color: var(--muted); margin-bottom: 3px; }
.tip .r { display: flex; align-items: center; gap: 6px; justify-content: space-between; }
.tip .r span:first-child { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-2); }
.tip .r b { font: 500 12px var(--mono); }

/* ---------- KPIs ---------- */
.kpis { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); }
.kpis > div { padding: 12px 14px; }
.kpis > div + div { border-left: 1px solid var(--line); }
@media (max-width: 1100px) { .kpis { grid-template-columns: repeat(3, 1fr); } .kpis > div:nth-child(4) { border-left: 0; } .kpis > div:nth-child(n+4) { border-top: 1px solid var(--line); } }

/* ---------- tables ---------- */
.table-wrap { overflow: auto; max-height: 420px; }
.table-wrap.tall { max-height: 520px; }
.tbl { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.tbl th { position: sticky; top: 0; background: var(--surface); text-align: left; font: 500 10.5px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; padding: 4px 8px 6px; border-bottom: 1px solid var(--line-strong); white-space: nowrap; }
.tbl td { padding: 5px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; vertical-align: middle; }
.tbl tr:hover td { background: var(--surface-2); }
.tbl .num { text-align: right; font-family: var(--mono); }
.tbl .dim { color: var(--muted); }
.tbl .wrap { white-space: normal; }
.mono-tbl td { font: 12px var(--mono); }
.dns-stats { margin-bottom: 14px; }
.alert-groups { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin: 14px 0 6px; }
@media (max-width: 1200px) { .alert-groups { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .alert-groups { grid-template-columns: minmax(0, 1fr); } }
.alert-groups h4 { margin: 0 0 6px; font: 500 10.5px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: 0.07em; }
.chk { display: grid; grid-template-columns: 16px 1fr; gap: 2px 8px; padding: 5px 0; cursor: pointer; }
.chk input { margin: 2px 0 0; accent-color: var(--ink); }
.chk b { font-weight: 500; }
.chk small { grid-column: 2; color: var(--muted); font-size: 11.5px; line-height: 1.35; }
.row input.wide { width: 360px; max-width: 100%; }
.row .ctl.nowrap { flex-wrap: nowrap; }
@media (max-width: 760px) { .row .ctl.nowrap { flex-wrap: wrap; } }
.row input.mention { width: 160px; }
.tbl td.trunc { max-width: 340px; overflow: hidden; text-overflow: ellipsis; }
.row input.hours { width: 72px; }
.share { display: flex; align-items: center; gap: 8px; min-width: 120px; }
.share .bar { height: 6px; background: var(--ink-2); border-radius: 0 2px 2px 0; min-width: 1px; }
.share .bar.eu { background: var(--fra); }
.share .bar.na { background: var(--va); }
.tag { display: inline-block; font: 500 10px var(--mono); padding: 1px 5px; border: 1px solid var(--line-strong); border-radius: var(--r); color: var(--ink-2); letter-spacing: 0.04em; }
.tag.hit { color: var(--good-ink); border-color: color-mix(in srgb, var(--good) 45%, transparent); }
.tag.miss { color: var(--serious); border-color: color-mix(in srgb, var(--serious) 45%, transparent); }
.tag.err { color: var(--critical); border-color: color-mix(in srgb, var(--critical) 45%, transparent); }
.nodechip { display: inline-flex; align-items: center; gap: 5px; }
.nodechip::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--muted); }
.nodechip.va::before { background: var(--va); }
.nodechip.fra::before { background: var(--fra); }

/* ---------- manage ---------- */
.state-line { display: flex; align-items: baseline; gap: 10px; margin: 2px 0 12px; flex-wrap: wrap; }
.state-line .big { font: 500 22px var(--font); letter-spacing: -0.01em; }
.state-line .big .arrowtxt { color: var(--muted); margin: 0 6px; font-weight: 400; }
.rows { display: grid; gap: 0; border-top: 1px solid var(--line); }
.row { display: flex; align-items: center; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.row .what { flex: 1 1 220px; min-width: 0; }
.row .what b { font-weight: 500; }
.row .what p { margin: 2px 0 0; color: var(--muted); font-size: 12px; }
.row .ctl { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row input { width: 200px; }
.out { margin: 10px 0 0; padding: 10px; background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r); font: 12px/1.5 var(--mono); white-space: pre-wrap; color: var(--ink-2); max-height: 260px; overflow: auto; }
.logbox { font: 11.5px/1.55 var(--mono); color: var(--ink-2); background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r); padding: 8px 10px; max-height: 220px; overflow: auto; white-space: pre-wrap; }
.regions { display: flex; gap: 14px; flex-wrap: wrap; margin: 8px 0 4px; }
.errlogs { display: grid; gap: 12px; }
.warnbox { border: 1px solid color-mix(in srgb, var(--warning) 50%, transparent); border-radius: var(--r); padding: 8px 10px; color: var(--ink-2); font-size: 12.5px; }
.warnbox b { color: var(--warning); font-weight: 500; }

/* ---------- dialog + toasts ---------- */
.dlg { border: 1px solid var(--line-strong); border-radius: var(--r); background: var(--surface); color: var(--ink); padding: 18px 20px; width: min(440px, calc(100vw - 32px)); }
.dlg::backdrop { background: rgba(0, 0, 0, 0.55); }
.dlg h3 { margin: 0 0 8px; font: 600 15px var(--font); }
.dlg p { margin: 0 0 14px; color: var(--ink-2); }
.dlg input { width: 100%; margin-top: 6px; }
.dlg-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }
.toasts { position: fixed; right: 16px; bottom: 16px; display: grid; gap: 8px; z-index: 60; max-width: min(420px, calc(100vw - 32px)); }
.toast { background: var(--surface-3); border: 1px solid var(--line-strong); border-left: 3px solid var(--muted); border-radius: var(--r); padding: 8px 12px; font-size: 12.5px; }
.toast.ok { border-left-color: var(--good); }
.toast.bad { border-left-color: var(--critical); }

@media (max-width: 1100px) {
  .top { height: auto; flex-wrap: wrap; gap: 0 12px; padding: 8px 16px 0; }
  .tabs { order: 3; width: 100%; height: 38px; overflow-x: auto; margin-top: 6px; }
  .top-right { gap: 8px; }
}
@media (max-width: 760px) {
  .fresh { display: none; }
  .top-right .seg button { padding: 3px 6px; }
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .multiples { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }