/* ── NexOS Forge palette ──────────────────────────────────────
     Black / Navy / Gold / Cream is the dominant four-color system.
     Green appears ONLY as the LIVE indicator — never as a primary
     accent. Amber and red are warning/critical signals, not brand. */
  :root {
    --nexos-black:    #0A0B0D;
    --nexos-black-2:  #11141A;   /* surface */
    --nexos-black-3:  #161A22;   /* surface inset */
    --nexos-navy:     #0B1F3A;   /* brand navy field — radar background */
    --nexos-navy-2:   #14315B;   /* lighter navy for accent fills */
    --nexos-navy-3:   #1D4A85;   /* hover / data accent */
    --nexos-gold:     #C9A961;   /* primary brand accent */
    --nexos-gold-2:   #A88A4A;   /* deeper gold */
    --nexos-cream:    #F5F1E8;   /* primary text on dark */
    --nexos-cream-2:  #C8C3B7;   /* secondary text */
    --nexos-cream-3:  #6E6B63;   /* tertiary / labels */
    --border:         #1D2128;
    --border-soft:    #14171C;
    --grid:           #1A1E26;

    /* Live-signal-only green. Used for the LIVE pill dot and the
       active-tick pulse — nowhere else in the chrome. */
    --live-green:     #4ADE80;
    --live-green-soft:#28704C;

    /* Warning / critical signals (not brand) */
    --warn-amber:     #BA7517;
    --crit-red:       #B04545;

    --mono:  ui-monospace, "SF Mono", "JetBrains Mono", "IBM Plex Mono", Menlo, Consolas, monospace;
    --serif: "Iowan Old Style", "Charter", "Source Serif Pro", "Cambria", Georgia, serif;
  }

  * { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; }
  body {
    background: var(--nexos-black);
    color: var(--nexos-cream);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    font-variant-numeric: tabular-nums;
    min-height: 100vh;
    padding: 24px 32px 32px;
  }

  /* ── header ───────────────────────────────────────────── */
  .head {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
  }
  .head .brand {
    display: flex;
    align-items: center;
    gap: 14px;
  }
  .head h1 {
    font-family: var(--serif);
    font-weight: 500;
    font-size: 26px;
    margin: 0;
    letter-spacing: 0.06em;
    color: var(--nexos-cream);
  }
  .head .descriptor {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.22em;
    color: var(--nexos-cream-3);
    text-transform: uppercase;
    margin-top: 6px;
    padding-left: 50px;  /* aligns with text past the radar mark */
  }
  .pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--nexos-black-2);
    font-family: var(--mono);
    font-size: 11px;
    color: var(--nexos-cream-2);
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  .pill .indicator {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--live-green);
    box-shadow: 0 0 8px var(--live-green);
    animation: pulse-glow 2s ease-in-out infinite;
  }
  .pill.stale .indicator { background: var(--warn-amber); box-shadow: 0 0 8px var(--warn-amber); }
  .pill.dead  .indicator { background: var(--crit-red);  box-shadow: 0 0 8px var(--crit-red);  animation: none; }
  @keyframes pulse-glow {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.4; }
  }
  /* One-shot per-tick flash (re-triggered by JS class toggle). */
  @keyframes tick-flash {
    0%   { filter: brightness(1.0); }
    18%  { filter: brightness(1.55); }
    100% { filter: brightness(1.0); }
  }
  .tick-pulse { animation: tick-flash 700ms ease-out; }

  /* ── OODAR zone framing ─────────────────────────────────── */
  .zone {
    margin-bottom: 24px;
  }
  .zone-label {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.32em;
    color: var(--nexos-gold);
    text-transform: uppercase;
    margin-bottom: 12px;
  }
  .zone-label::after {
    content: "";
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, var(--nexos-gold-2), transparent);
    opacity: 0.4;
  }
  .zone-label .glyph {
    color: var(--nexos-cream-3);
    font-size: 9px;
    letter-spacing: 0.18em;
  }

  /* ── grid layout ──────────────────────────────────────── */
  .grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
  }
  .grid.three-quarter {
    grid-template-columns: 1.4fr 1fr;
  }
  .row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
  }

  /* ── card ─────────────────────────────────────────────── */
  .card {
    background: var(--nexos-black-2);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 18px 20px;
    position: relative;
  }
  .card .label {
    font-family: var(--mono);
    font-size: 10px;
    color: var(--nexos-cream-3);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 10px;
  }
  .card .value-row {
    display: flex;
    align-items: baseline;
    gap: 12px;
  }
  .card .big {
    font-family: var(--mono);
    font-size: 38px;
    font-weight: 300;
    letter-spacing: -0.01em;
    line-height: 1;
    color: var(--nexos-cream);
  }
  .card .big.stable   { color: var(--nexos-cream); }
  .card .big.elevated { color: var(--nexos-gold); }
  .card .big.critical { color: var(--crit-red); }
  .card .meta {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--nexos-cream-2);
    margin-top: 6px;
  }
  .card .sub {
    font-size: 12px;
    color: var(--nexos-cream-2);
    margin-top: 4px;
  }
  .state-tag {
    display: inline-block;
    font-family: var(--mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    padding: 3px 8px;
    border-radius: 3px;
    border: 1px solid currentColor;
  }
  .state-tag.stable   { color: var(--nexos-cream); }
  .state-tag.elevated { color: var(--nexos-gold); }
  .state-tag.critical { color: var(--crit-red); }

  /* ── sparkline ────────────────────────────────────────── */
  .sparkline {
    display: block;
    width: 100%;
    height: 44px;
    margin-top: 12px;
    overflow: visible;
  }
  .sparkline.mini { height: 28px; margin-top: 8px; }
  .sparkline polyline { vector-effect: non-scaling-stroke; }
  .sparkline .baseline { stroke: var(--grid); stroke-width: 1; stroke-dasharray: 2 3; }
  .sparkline .area { opacity: 0.18; }

  /* ── NexOS radar mark (live signature) ────────────────── */
  .nexos-mark {
    display: block;
    overflow: visible;
  }
  .nexos-mark.small { width: 36px; height: 36px; }
  .nexos-mark.large { width: 220px; height: 220px; }
  .nexos-mark .field      { fill: var(--nexos-navy); }
  .nexos-mark .ring       { fill: none; stroke: var(--nexos-cream); stroke-width: 0.6; opacity: 0.45; }
  .nexos-mark .ring.inner { opacity: 0.7; }
  .nexos-mark .crosshair  { stroke: var(--nexos-cream); stroke-width: 0.4; opacity: 0.25; }
  .nexos-mark .sweep-g    { transform-origin: 50% 50%; }
  .nexos-mark .sweep-fan  { fill: url(#nexosSweepGradient); }
  .nexos-mark .sweep-line { stroke: var(--nexos-gold); stroke-width: 0.8; }
  .nexos-mark .pivot      { fill: var(--nexos-gold); }
  /* Continuous sweep — always visibly rotating so the dashboard
     reads "running." The duration also kicks faster for one cycle
     on each new tick via the .tick-burst class. */
  .nexos-mark .sweep-g    { animation: nexos-sweep 9s linear infinite; }
  .nexos-mark.tick-burst .sweep-g { animation: nexos-sweep 1.6s linear 1, nexos-sweep 9s linear infinite 1.6s; }
  @keyframes nexos-sweep {
    from { transform: rotate(0deg);   }
    to   { transform: rotate(360deg); }
  }
  .mark-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
  }
  .mark-card .caption {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--nexos-cream-3);
  }

  /* ── channel radar (data viz) ─────────────────────────── */
  .radar-wrap { display: flex; justify-content: center; padding: 8px 0 4px; }
  .radar { width: 260px; height: 260px; overflow: visible; }
  .radar .ring   { fill: none; stroke: var(--grid); stroke-width: 1; }
  .radar .spoke  { stroke: var(--grid); stroke-width: 1; }
  .radar .data   { fill-opacity: 0.18; stroke-width: 1.5; }
  .radar .vertex { stroke: none; }
  .radar .label {
    font-family: var(--mono);
    font-size: 10px;
    fill: var(--nexos-cream-2);
    text-transform: uppercase;
    letter-spacing: 0.14em;
  }
  .radar .value {
    font-family: var(--mono);
    font-size: 11px;
    fill: var(--nexos-cream);
  }
  .radar .pending text.label   { fill: var(--nexos-cream-3); }
  .radar .pending circle.vertex { fill: var(--nexos-cream-3); }

  /* ── ORIENT zone layout ───────────────────────────────── */
  .orient-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 20px;
  }

  /* ── stream cards ─────────────────────────────────────── */
  .stream-card {
    background: var(--nexos-black-2);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 14px 16px;
    transition: border-color 200ms ease-out;
  }
  .stream-card.pending {
    background: var(--nexos-black-3);
    border-style: dashed;
    border-color: #2A3140;
  }
  .stream-card .channel {
    font-family: var(--mono);
    font-size: 10px;
    color: var(--nexos-cream-3);
    letter-spacing: 0.18em;
    text-transform: uppercase;
  }
  .stream-card.pending .channel { color: var(--nexos-cream-3); }
  .stream-card .name {
    font-family: var(--serif);
    font-size: 15px;
    margin-top: 2px;
    color: var(--nexos-cream);
  }
  .stream-card.pending .name { color: var(--nexos-cream-2); font-style: italic; }
  .stream-card .reading {
    font-family: var(--mono);
    font-size: 22px;
    font-weight: 300;
    margin-top: 8px;
    color: var(--nexos-cream);
    display: flex;
    align-items: baseline;
    gap: 8px;
  }
  .stream-card .reading.saturated { color: var(--warn-amber); }
  .stream-card .sat-flag {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.16em;
    color: var(--warn-amber);
    border: 1px solid var(--warn-amber);
    padding: 2px 6px;
    border-radius: 3px;
    text-transform: uppercase;
  }
  /* Subtle value-change flash — border accent, not full-card. */
  .stream-card.changed { border-color: var(--nexos-gold); }
  .stream-card .pending-list {
    margin-top: 8px;
    font-family: var(--mono);
    font-size: 11px;
    color: var(--nexos-cream-3);
    line-height: 1.7;
  }
  .stream-card .pending-list .channel-group {
    color: var(--nexos-cream-2);
    margin-top: 6px;
  }

  /* ── tempo log ────────────────────────────────────────── */
  .tempo-log {
    grid-column: 1 / -1;
  }
  .tempo-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--mono);
    font-size: 12px;
    margin-top: 8px;
  }
  .tempo-table th {
    text-align: left;
    font-weight: 400;
    color: var(--nexos-cream-3);
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    padding: 8px 12px 8px 0;
    border-bottom: 1px solid var(--border);
  }
  .tempo-table td {
    padding: 7px 12px 7px 0;
    color: var(--nexos-cream);
    border-bottom: 1px solid var(--border-soft);
  }
  .tempo-table tr:last-child td { border-bottom: none; }
  .tempo-table td.phi.stable   { color: var(--nexos-cream); }
  .tempo-table td.phi.elevated { color: var(--nexos-gold); }
  .tempo-table td.phi.critical { color: var(--crit-red); }
  .tempo-table td.dim          { color: var(--nexos-cream-2); }

  /* ── ACT placeholder ──────────────────────────────────── */
  .act-placeholder .body {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--nexos-cream-2);
    line-height: 1.7;
  }
  .act-placeholder .body code {
    color: var(--nexos-gold);
  }

  /* ── footer ───────────────────────────────────────────── */
  .foot {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    padding-top: 18px;
    margin-top: 24px;
    border-top: 1px solid var(--border);
    font-family: var(--mono);
    font-size: 11px;
    color: var(--nexos-cream-3);
    letter-spacing: 0.04em;
  }
  .foot .dot { color: var(--nexos-cream-3); margin: 0 8px; }
  .foot .creed {
    font-family: var(--serif);
    font-style: italic;
    font-size: 13px;
    color: var(--nexos-cream-2);
    letter-spacing: 0.01em;
  }

  .loading-overlay {
    color: var(--nexos-cream-3);
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }

  @media (max-width: 960px) {
    body { padding: 16px; }
    .grid, .grid.three-quarter, .orient-grid { grid-template-columns: 1fr; }
  }

  @media (prefers-reduced-motion: reduce) {
    .nexos-mark .sweep-g          { animation: none; }
    .pill .indicator              { animation: none; }
    .tick-pulse                   { animation: none; }
  }