/* Ubiq Network Status - instrumentation panel.
   Aesthetic: engineering console. Mono for every measured value, sans for prose.
   Status colour is reserved for state (good/warn/critical/unknown) and never used
   decoratively, so a colour on this page always means something. */

:root {
  --bg:       #0a0d12;
  --panel:    #11151c;
  --panel-2:  #161b24;
  --line:     #222836;
  --line-2:   #2c3444;

  --ink:      #e6edf3;   /* 16.5:1 on --bg */
  --ink-2:    #9aa4b2;   /*  7.7:1 */
  --ink-3:    #838d9b;   /*  5.1:1 - safe for small text */

  --accent:   #39c5cf;   /* brand + single chart series; deliberately NOT a status hue */

  --good:     #3fb950;
  --warn:     #d29922;
  --crit:     #f85149;
  --unknown:  #8b949e;

  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: 'IBM Plex Sans', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;

  --r: 6px;
  --wrap: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  /* Faint engineering grid. Low enough contrast that it reads as paper texture,
     not as a decorative gimmick competing with the data. */
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px, 64px 64px;
  background-position: -1px -1px;
}
body::before {
  /* Vignette so the grid fades out and never fights the content in the centre. */
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(ellipse 90% 60% at 50% 0%, transparent 30%, var(--bg) 92%);
}
body > * { position: relative; z-index: 1; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.skip {
  position: absolute; left: -9999px; top: 0; background: var(--accent); color: #04252a;
  padding: 10px 16px; font: 600 14px var(--mono); z-index: 99;
}
.skip:focus { left: 8px; top: 8px; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #7bdde4; }
code { font: 500 0.9em var(--mono); color: var(--ink-2); background: var(--panel-2);
       padding: 1px 5px; border-radius: 3px; border: 1px solid var(--line); }

/* ---------- header ---------- */

.site-head { padding: 56px 0 0; border-bottom: 1px solid var(--line); }
.head-row { display: flex; gap: 32px; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; }

.prompt { color: var(--accent); font: 600 14px var(--mono); }
.brand-cmd { font: 500 14px var(--mono); color: var(--ink-2); letter-spacing: .02em; }
.cursor {
  display: inline-block; width: 8px; height: 15px; margin-left: 2px;
  background: var(--accent); vertical-align: -2px; animation: blink 1.2s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .cursor { animation: none; } }

h1 {
  margin: 14px 0 10px; font: 600 clamp(30px, 5vw, 46px)/1.1 var(--sans);
  letter-spacing: -0.025em;
}
.lede { margin: 0; max-width: 60ch; color: var(--ink-2); font-size: 17px; }
.lede strong { color: var(--ink); font-weight: 600; }

.head-meta { flex-shrink: 0; }
.measured {
  border: 1px solid var(--line); border-radius: var(--r); background: var(--panel);
  padding: 12px 16px; min-width: 210px;
}
.measured .k { display: block; font: 500 11px var(--mono); text-transform: uppercase;
               letter-spacing: .1em; color: var(--ink-3); }
.measured .v { display: block; font: 500 14px var(--mono); color: var(--ink); margin-top: 4px; }
.measured .rel { display: block; font: 400 12px var(--mono); color: var(--ink-3); margin-top: 2px; }

/* Verdict strip - the synthesised shutdown headline, driven by measured state. */
.verdict { margin: 34px 0 0; }
.verdict-inner {
  border: 1px solid var(--line); border-left-width: 4px; border-left-color: var(--unknown);
  border-radius: var(--r); background: var(--panel); overflow: hidden;
}
.verdict-inner[data-state="crit"] { border-left-color: var(--crit); }
.verdict-inner[data-state="good"] { border-left-color: var(--good); }
.verdict-lead { display: flex; align-items: center; gap: 12px; padding: 16px 20px 14px; }
.vled {
  width: 11px; height: 11px; border-radius: 50%; background: var(--unknown); flex: 0 0 11px;
}
.verdict-inner[data-state="crit"] .vled {
  background: var(--crit); box-shadow: 0 0 0 0 rgba(248,81,73,.55); animation: pulse 2s infinite;
}
.verdict-inner[data-state="good"] .vled { background: var(--good); }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(248,81,73,.5); }
  70% { box-shadow: 0 0 0 9px rgba(248,81,73,0); }
  100% { box-shadow: 0 0 0 0 rgba(248,81,73,0); }
}
@media (prefers-reduced-motion: reduce) { .verdict-inner .vled { animation: none; } }
.verdict-head {
  font: 600 clamp(18px, 2.6vw, 23px)/1.2 var(--sans); letter-spacing: -0.015em; color: var(--ink);
}
.verdict-inner[data-state="crit"] .verdict-head { color: var(--crit); }
.verdict-facts {
  display: flex; flex-wrap: wrap; gap: 1px; background: var(--line);
  border-top: 1px solid var(--line);
}
.vf { background: var(--panel); padding: 12px 20px; flex: 1 1 auto; min-width: 150px; }
.vf-big {
  display: block; font: 600 20px var(--mono); color: var(--ink); font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.vf-small { display: block; margin-top: 3px; font: 400 12.5px var(--sans); color: var(--ink-3); }

/* ---------- sections ---------- */

main { padding: 8px 0 40px; }
section { padding: 52px 0 0; }
.sec-head { margin-bottom: 20px; }
h2 {
  margin: 0 0 6px; font: 600 22px/1.25 var(--sans); letter-spacing: -0.015em;
  display: flex; align-items: baseline; gap: 12px;
}
h2::before {
  content: ""; width: 10px; height: 10px; flex: 0 0 10px;
  border: 2px solid var(--accent); border-radius: 2px;
}
.sec-sub { margin: 0; color: var(--ink-2); font-size: 14.5px; max-width: 82ch; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); }
.loading { color: var(--ink-3); font: 400 14px var(--mono); padding: 20px 0; }

/* ---------- stat tiles ---------- */

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(196px, 1fr)); gap: 12px; }
.tile {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  padding: 16px 18px 15px; position: relative; overflow: hidden;
  animation: rise .5s cubic-bezier(.2,.7,.3,1) backwards;
}
@keyframes rise { from { opacity: 0; transform: translateY(8px); } }
@media (prefers-reduced-motion: reduce) { .tile { animation: none; } }
.tile::after {
  /* State stripe. Redundant with the text label below - colour is never the only cue. */
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--ink-3);
}
.tile[data-state="good"]::after     { background: var(--good); }
.tile[data-state="warn"]::after     { background: var(--warn); }
.tile[data-state="crit"]::after     { background: var(--crit); }
.tile[data-state="unknown"]::after  { background: var(--unknown); }

.tile .t-label {
  font: 500 11px var(--mono); text-transform: uppercase; letter-spacing: .09em;
  color: var(--ink-3); display: block; margin-bottom: 9px;
}
.tile .t-value {
  font: 600 clamp(24px, 3.2vw, 32px)/1.05 var(--mono); letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums; display: block; color: var(--ink);
}
.tile[data-state="crit"] .t-value { color: var(--crit); }
.tile[data-state="warn"] .t-value { color: var(--warn); }
.tile .t-unit { font-size: .5em; font-weight: 500; color: var(--ink-3); margin-left: 4px; letter-spacing: 0; }
.tile .t-note { display: block; margin-top: 8px; font: 400 12.5px/1.45 var(--sans); color: var(--ink-3); }

/* ---------- chart ---------- */

.chart-panel { padding: 20px 20px 14px; margin: 0; }
.chart { width: 100%; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.bar { fill: var(--accent); }
.bar:hover { fill: #7bdde4; }
.grid-line { stroke: var(--line-2); stroke-width: 1; }
.axis-text { font: 400 11px var(--mono); fill: var(--ink-3); }
.fig-cap { margin: 12px 0 0; font-size: 13px; color: var(--ink-3); line-height: 1.5; }

.tip {
  position: fixed; pointer-events: none; z-index: 50; opacity: 0; transition: opacity .12s;
  background: #05070a; border: 1px solid var(--line-2); border-radius: var(--r);
  padding: 9px 12px; font: 400 12.5px/1.6 var(--mono); color: var(--ink);
  box-shadow: 0 8px 28px rgba(0,0,0,.6); max-width: 280px;
}
.tip .tk { color: var(--ink-3); }

.silence { margin-top: 12px; padding: 18px 20px; display: flex; gap: 22px;
           align-items: center; flex-wrap: wrap; border-left: 3px solid var(--crit); }
.silence .s-num { font: 600 30px var(--mono); color: var(--crit); font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.silence .s-txt { font-size: 14.5px; color: var(--ink-2); max-width: 72ch; }

/* ---------- protocol reference grid ---------- */

.ref-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1px;
            background: var(--line); overflow: hidden; }
.ref-cell { background: var(--panel); padding: 14px 18px; }
.ref-k { display: block; font: 500 11px var(--mono); text-transform: uppercase; letter-spacing: .09em; color: var(--ink-3); margin-bottom: 6px; }
.ref-v { display: block; font: 500 15px var(--mono); color: var(--ink); word-break: break-word; }
.ref-src { font: 400 11px var(--mono); color: var(--ink-3); text-decoration: none; margin-left: 4px; white-space: nowrap; }
.ref-src:hover { color: var(--accent); }
.ref-note { grid-column: 1 / -1; background: var(--panel); margin: 0; padding: 14px 18px;
            border-top: 1px solid var(--line); font: 400 13.5px/1.6 var(--sans); color: var(--ink-2); }

/* ---------- tables ---------- */

.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); }
table.data { width: 100%; border-collapse: collapse; font: 400 13.5px var(--mono); min-width: 640px; }
table.data caption { text-align: left; padding: 12px 16px; color: var(--ink-3);
                     font: 400 12.5px var(--sans); border-bottom: 1px solid var(--line); }
table.data th {
  text-align: left; padding: 11px 16px; font: 500 11px var(--mono);
  text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3);
  border-bottom: 1px solid var(--line-2); white-space: nowrap; background: var(--panel-2);
  position: sticky; top: 0;
}
table.data td { padding: 11px 16px; border-bottom: 1px solid var(--line); vertical-align: top; color: var(--ink-2); }
table.data tr:last-child td { border-bottom: 0; }
table.data tr:hover td { background: var(--panel-2); }
table.data td.num { text-align: right; font-variant-numeric: tabular-nums; color: var(--ink); }
table.data td.name { color: var(--ink); font-weight: 500; }
table.data td.note { font: 400 12.5px var(--sans); color: var(--ink-3); white-space: normal; min-width: 200px; }

/* Status pill: dot + word. The word is what carries meaning; the dot is reinforcement. */
.pill { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap;
        font: 500 12px var(--mono); letter-spacing: .04em; }
.pill::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--unknown); flex: 0 0 8px; }
.pill[data-s="good"]    { color: var(--good); }    .pill[data-s="good"]::before    { background: var(--good); }
.pill[data-s="warn"]    { color: var(--warn); }    .pill[data-s="warn"]::before    { background: var(--warn); }
.pill[data-s="crit"]    { color: var(--crit); }    .pill[data-s="crit"]::before    { background: var(--crit); }
.pill[data-s="unknown"] { color: var(--unknown); } .pill[data-s="unknown"]::before { background: var(--unknown); }

.unk { color: var(--unknown); font-style: normal; }

/* ---------- timeline ---------- */

.tl { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line-2); margin-left: 8px; }
.tl-item { position: relative; padding: 0 0 26px 26px; }
.tl-item::before {
  content: ""; position: absolute; left: -5px; top: 7px; width: 9px; height: 9px;
  border-radius: 50%; background: var(--panel); border: 2px solid var(--line-2);
}
.tl-item[data-official="true"]::before { border-color: var(--accent); }
.tl-date { font: 500 12px var(--mono); color: var(--accent); letter-spacing: .04em; }
.tl-date.is-unknown { color: var(--unknown); }
.tl-title { margin: 5px 0 4px; font: 600 15.5px/1.4 var(--sans); color: var(--ink); }
.tl-sum { margin: 0 0 7px; font-size: 14px; color: var(--ink-2); max-width: 78ch; }
.tl-meta { font: 400 12px var(--mono); color: var(--ink-3); display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.tag { border: 1px solid var(--line-2); border-radius: 3px; padding: 1px 6px; font-size: 11px;
       color: var(--ink-3); text-transform: uppercase; letter-spacing: .06em; }
.tag.official { border-color: var(--accent); color: var(--accent); }

.more-btn {
  margin: 6px 0 0 8px; padding: 10px 18px; cursor: pointer;
  background: var(--panel); color: var(--ink-2);
  border: 1px solid var(--line-2); border-radius: var(--r);
  font: 500 13px var(--mono); letter-spacing: .02em; transition: border-color .15s, color .15s;
}
.more-btn:hover { border-color: var(--accent); color: var(--accent); }
.tl-tail { margin-top: 0; }

/* ---------- method + footer ---------- */

.method-body { padding: 22px 24px; }
.method-list { margin: 0; }
.method-list dt { font: 600 14px var(--sans); color: var(--ink); margin-top: 18px; }
.method-list dt:first-child { margin-top: 0; }
.method-list dd { margin: 5px 0 0; color: var(--ink-2); font-size: 14.5px; max-width: 84ch; }
.repro { margin: 22px 0 0; padding-top: 16px; border-top: 1px solid var(--line);
         font-size: 13.5px; color: var(--ink-3); }

.site-foot { margin-top: 64px; border-top: 1px solid var(--line); padding: 30px 0 56px; background: var(--panel); }
.site-foot p { margin: 0 0 10px; color: var(--ink-3); font-size: 13.5px; max-width: 92ch; }
.site-foot strong { color: var(--ink-2); }
.foot-meta { font: 400 12px var(--mono); color: var(--ink-3); display: flex; gap: 10px; flex-wrap: wrap; }
.sep { color: var(--line-2); }

@media (max-width: 640px) {
  .site-head { padding-top: 36px; }
  section { padding-top: 40px; }
  .head-meta { width: 100%; }
}