:root {
  --bg: #060913;
  --bg2: #0e152a;
  --line: rgba(145, 170, 220, 0.32);
  --text: #edf3ff;
  --muted: #9eb1d6;
  --accent: #66e2ff;
  --warn: #ffd07a;
  --danger: #ff8f8f;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, sans-serif;
  background:
    radial-gradient(1200px 700px at 8% -20%, rgba(61, 100, 190, 0.34), transparent 55%),
    radial-gradient(900px 600px at 100% 0%, rgba(153, 64, 194, 0.25), transparent 50%),
    var(--bg);
}
.scene {
  width: min(1060px, calc(100% - 2rem));
  margin: 1rem auto 2rem;
  display: grid;
  gap: .9rem;
}
.panel {
  border: 1px solid var(--line);
  background: rgba(10, 16, 30, .84);
  border-radius: 16px;
  padding: .95rem;
}
.section-head h2 { margin: 0; font-size: 1.1rem; }
.section-head .muted { margin: .2rem 0 0; }
.muted { color: var(--muted); }
.kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--accent);
}
h1 {
  margin: .45rem 0 .55rem;
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.05;
}
.lede { margin: 0; color: var(--muted); line-height: 1.6; }
.chips { margin-top: .75rem; display: flex; flex-wrap: wrap; gap: .45rem; }
.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .25rem .58rem;
  font-size: .78rem;
  color: #dce8ff;
}

#timeline { width: 100%; margin-top: .75rem; }
.metrics {
  margin-top: .75rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: .6rem;
}
.metric {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg2);
  padding: .6rem;
}
.metric .k { color: var(--muted); font-size: .76rem; }
.metric .v { margin-top: .25rem; font-size: 1.2rem; font-weight: 650; }
.timeline-date {
  margin: .55rem 0 0;
  color: var(--warn);
  font-size: .86rem;
  letter-spacing: .03em;
}

.narrative {
  margin-top: .45rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg2);
  padding: .75rem;
  line-height: 1.58;
}

.chapter-nav {
  margin-top: .7rem;
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}
.chapter-btn {
  border: 1px solid var(--line);
  background: var(--bg2);
  color: #dce8ff;
  border-radius: 999px;
  padding: .33rem .62rem;
  cursor: pointer;
  font-size: .78rem;
}
.chapter-btn.is-active {
  background: linear-gradient(120deg, var(--accent), #9a8bff);
  color: #06111f;
  border-color: transparent;
  font-weight: 600;
}
.chapter-body {
  margin-top: .65rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg2);
  padding: .75rem;
  line-height: 1.62;
}
.chapter-body h3 { margin: 0 0 .35rem; font-size: 1.03rem; }
.chapter-body p { margin: .35rem 0; color: #dce6ff; }

.grid-2 {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: .8rem;
}
.loop { margin-top: .6rem; display: grid; gap: .45rem; }
.loop-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .52rem .62rem;
  background: var(--bg2);
}
.loop-item b { color: var(--accent); }

.policy-controls { margin-top: .65rem; display: grid; gap: .45rem; }
.policy-controls label { display: flex; gap: .5rem; align-items: center; color: #dbe6ff; }
.score-box {
  margin-top: .7rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg2);
  padding: .65rem;
  line-height: 1.5;
}
.actions {
  margin: .6rem 0 0;
  padding-left: 1.1rem;
  color: #dbe6ff;
  display: grid;
  gap: .35rem;
}

.risk-grid {
  margin-top: .65rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: .6rem;
}
.risk {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg2);
  padding: .65rem;
}
.risk h3 { margin: 0 0 .35rem; font-size: .95rem; }
.risk p { margin: 0; color: var(--muted); line-height: 1.5; font-size: .92rem; }

.debate {
  margin-top: .65rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: .6rem;
}
.debate-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg2);
  padding: .68rem;
}
.debate-card h3 { margin: 0 0 .35rem; font-size: .95rem; }
.debate-card p { margin: 0; color: var(--muted); line-height: 1.5; }

.bad { color: var(--danger); }
.warn { color: var(--warn); }
.good { color: #9ef2c7; }

@media (max-width: 860px) {
  .metrics, .risk-grid, .grid-2, .debate { grid-template-columns: 1fr; }
}