:root {
  --bg: #07090f;
  --card: #0f1420;
  --line: #1e293b;
  --text: #e8edf7;
  --muted: #8b9cb8;
  --banner: #6ee7ff;
  --hulk: #4ade80;
  --byte: #fbbf24;
  --two: #f472b6;
  --font: "Syne", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); font-family: var(--font); }
body { padding: 1.25rem; }

.glow-field {
  position: fixed; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 60% 40% at 20% 30%, rgba(110,231,255,.12), transparent 60%),
    radial-gradient(ellipse 50% 35% at 80% 70%, rgba(74,222,128,.1), transparent 55%);
}

.top { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1.25rem; }
.eyebrow { margin: 0; font: 600 .72rem var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
h1 { margin: .2rem 0 0; font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; }
.two { color: var(--two); text-shadow: 0 0 24px rgba(244,114,182,.45); }

.live-pill {
  font: 600 .75rem var(--mono); padding: .45rem .75rem; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(15,20,32,.8);
}
.live-pill.live { border-color: var(--hulk); color: var(--hulk); }
.live-pill.hold { border-color: #f87171; color: #f87171; }

.layout {
  display: grid; gap: 1rem;
  grid-template-columns: 1.4fr .9fr;
  grid-template-areas: "stage stack" "log log";
}
.stage { grid-area: stage; }
.stack { grid-area: stack; display: flex; flex-direction: column; gap: 1rem; }
.log-panel { grid-area: log; }

.card {
  background: linear-gradient(160deg, rgba(15,20,32,.95), rgba(10,14,22,.9));
  border: 1px solid var(--line); border-radius: 14px; padding: 1rem 1.1rem;
}
.card h2 { margin: 0 0 .6rem; font-size: 1rem; font-weight: 600; }
.muted { color: var(--muted); font-size: .9rem; line-height: 1.45; }
.tiny { font-size: .75rem; }

#twinCanvas {
  width: 100%; max-width: 520px; height: auto; display: block;
  border-radius: 10px; background: #05070c; border: 1px solid var(--line);
}

.formula-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .75rem;
  margin-top: .85rem; font: 600 .85rem var(--mono);
}
.pole { padding: .25rem .55rem; border-radius: 6px; }
.pole.banner { background: rgba(110,231,255,.12); color: var(--banner); }
.pole.hulk { background: rgba(74,222,128,.12); color: var(--hulk); }
.cross, .eq { color: var(--muted); }
.byte { color: var(--byte); font-size: 1.1rem; }

.meter { height: 8px; background: #111827; border-radius: 999px; overflow: hidden; }
.fill {
  height: 100%; width: 0%; border-radius: inherit;
  background: linear-gradient(90deg, var(--banner), var(--hulk), var(--two));
  transition: width .4s ease;
}
.mono { font-family: var(--mono); font-size: .8rem; color: var(--muted); }
.big { font-size: 1.5rem; font-weight: 800; margin: 0; }
.status { font-family: var(--mono); font-size: .85rem; margin: 0; }
.link { color: var(--banner); font-family: var(--mono); font-size: .8rem; }

.log {
  list-style: none; margin: 0; padding: 0; max-height: 220px; overflow: auto;
  font: 400 .78rem/1.5 var(--mono);
}
.log li { padding: .35rem 0; border-bottom: 1px solid rgba(30,41,59,.6); color: var(--muted); }
.log li span { color: var(--text); }

.foot {
  margin-top: 1.25rem; display: flex; justify-content: space-between; gap: 1rem;
  font: 400 .72rem var(--mono); color: var(--muted);
}

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; grid-template-areas: "stage" "stack" "log"; }
}