:root {
  color-scheme: dark;
  --bg: #07090d;
  --line: rgba(255, 255, 255, 0.12);
  --text: #edf2f7;
  --muted: #91a0b5;
  --green: #2fd29c;
  --blue: #4f8cff;
  --amber: #ffbd4a;
  --red: #ff5b78;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(900px 520px at 12% -10%, rgba(47, 210, 156, 0.12), transparent 55%),
    radial-gradient(700px 460px at 88% 8%, rgba(79, 140, 255, 0.13), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body {
  display: grid;
  justify-items: center;
  gap: 18px;
  padding: 28px;
}

.app {
  width: min(1480px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 460px;
  gap: 18px;
  align-items: stretch;
}

.stage, .controls, .methodology {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(21, 27, 36, 0.92), rgba(12, 16, 22, 0.95));
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.stage {
  min-height: 680px;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 26px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(34px, 4vw, 64px);
  line-height: 0.95;
  font-weight: 760;
  letter-spacing: 0;
}

.subhead {
  margin: 10px 0 0;
  max-width: 850px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.ticker {
  min-width: 174px;
  align-self: start;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.035);
}

.ticker span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.ticker span:first-child { margin-top: 0; }

.ticker strong {
  display: block;
  margin-top: 4px;
  font-size: 21px;
  font-variant-numeric: tabular-nums;
}

.viz {
  position: relative;
  min-height: 0;
  padding: 18px 22px 8px;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 480px;
  border-radius: 8px;
  background: #090d12;
}

.readout {
  position: absolute;
  left: 42px;
  top: 62px;
  display: grid;
  grid-template-columns: repeat(3, minmax(118px, auto));
  gap: 10px;
  pointer-events: none;
}

.metric {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 10px 12px;
  background: rgba(5, 8, 12, 0.78);
  backdrop-filter: blur(8px);
}

.metric label {
  display: block;
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric b {
  display: block;
  margin-top: 3px;
  font-size: 20px;
  font-variant-numeric: tabular-nums;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  padding: 14px 26px 22px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

a {
  color: #b9d1ff;
  text-decoration: none;
  border-bottom: 1px solid rgba(185, 209, 255, 0.35);
}

.controls {
  max-height: calc(100vh - 56px);
  overflow: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.section-block {
  display: grid;
  gap: 8px;
}

.panel-title {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.field {
  display: grid;
  gap: 6px;
  padding: 9px 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.field label {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 11px;
}

.field output {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.verified-grid, .lever-grid, .scenario-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.verified-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: baseline;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
}

.verified-item strong {
  color: var(--text);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.verified-item.full {
  grid-column: 1 / -1;
  grid-template-columns: 1fr;
}

.series-row {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 11px;
}

.series-row b {
  color: var(--text);
  font-weight: 700;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--green);
}

.buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

button {
  min-height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

button.primary {
  background: linear-gradient(135deg, rgba(47, 210, 156, 0.92), rgba(79, 140, 255, 0.9));
  color: #061016;
  font-weight: 700;
}

.scenario {
  display: grid;
  gap: 6px;
  padding: 9px 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  font-size: 11px;
  line-height: 1.35;
}

.scenario strong {
  display: block;
  color: var(--text);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.note {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.4;
}

.methodology {
  width: min(1480px, 100%);
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 22px;
  padding: 22px 26px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.methodology h2 {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 24px;
}

.methodology ul {
  margin: 0;
  padding-left: 18px;
}

.methodology li + li {
  margin-top: 8px;
}

@media (max-width: 980px) {
  body { padding: 16px; }
  .app, .methodology { grid-template-columns: 1fr; }
  .stage { min-height: 680px; }
  .controls { max-height: none; }
  header, footer { grid-template-columns: 1fr; }
  header { flex-direction: column; }
  .ticker { width: 100%; }
  .viz {
    display: flex;
    flex-direction: column-reverse;
    gap: 12px;
  }
  .readout {
    position: static;
    grid-template-columns: 1fr;
    pointer-events: auto;
  }
  .verified-grid,
  .lever-grid,
  .scenario-list {
    grid-template-columns: 1fr;
  }
  canvas { min-height: 480px; }
}