:root {
  /* Palette — NYT-inspired */
  --paper: #fbfaf7;          /* warm cream */
  --paper-2: #f3f1eb;        /* slight tone for blocks */
  --ink: #1a1a1a;            /* near-black body text */
  --ink-soft: #3a3a3a;
  --ink-mute: #6b6b6b;       /* muted gray for meta text */
  --rule: #dcd8cf;           /* subtle horizontal rules */
  --accent: #b8453a;         /* NYT-style brick red */
  --accent-soft: #d9b6b2;

  /* Map card — same cream as page, with subtle border */
  --bg: var(--paper);
  --panel: var(--paper-2);
  --text: var(--ink);
  --muted: var(--ink-mute);
  --accent-cyan: #2e7aaa;     /* darker cyan that works on cream */

  /* Encoding colors */
  --fire: #c44424;            /* slightly darker red for legibility on cream */
  --light: #c79215;           /* mustard/amber instead of bright yellow */
  --no-data: #fbfaf7;         /* match page bg — states defined by outline only */
  --map-stroke: #1f1f1f;      /* near-black state outlines, NYT-style */
  --map-text: #1a1a1a;
}
* { box-sizing: border-box; }

/* ---------- Tab nav ---------- */
/* ---------- Summary ---------- */
.summary {
  padding: 64px 24px 48px;
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
  border-top: 1px solid var(--rule);
}
.summary h2 {
  font-family: Georgia, "Source Serif Pro", "Times New Roman", serif;
  font-weight: 700;
  font-size: 44px;
  line-height: 1.1;
  letter-spacing: -0.6px;
  margin: 0 0 18px;
  color: var(--ink);
}

html, body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Georgia, "Source Serif Pro", "Times New Roman", serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Header ---------- */
header {
  padding: 96px 24px 48px;
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
  border-bottom: 1px solid var(--rule);
}
.kicker {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 18px;
}
header h1 {
  font-family: Georgia, "Source Serif Pro", "Times New Roman", serif;
  font-weight: 700;
  font-size: 52px;
  line-height: 1.1;
  letter-spacing: -0.8px;
  margin: 0 0 18px;
  color: var(--ink);
}
.lede {
  font-size: 19px;
  font-style: italic;
  color: var(--ink-soft);
  max-width: 640px;
  line-height: 1.55;
  margin: 0 0 20px;
}
.lede strong { font-style: normal; color: var(--accent); }
.note {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 12px;
  color: var(--ink-mute);
  background: var(--paper-2);
  padding: 12px 16px;
  border-left: 2px solid var(--accent);
  margin-top: 28px;
  max-width: 640px;
  font-style: normal;
  line-height: 1.5;
}
.byline {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 12px;
  color: var(--ink-mute);
  margin-top: 24px;
  letter-spacing: 0.3px;
}
.scroll-hint {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 11px;
  color: var(--ink-mute);
  text-align: center;
  margin: 56px 0 0;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ---------- Scrollytelling layout ---------- */
.scrolly {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 480px;
  gap: 64px;
  max-width: 1280px;
  margin: 0 auto 80px;
  padding: 60px 32px;
  align-items: start;
}
.scrolly-graphic {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6vh 0;
}
.graphic-inner {
  width: 100%;
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
}
.scrolly-text {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 480px;
}
.step {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px 0;
  border-bottom: 1px solid var(--rule);
}
.step:last-child { border-bottom: none; }
.step .step-label {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 14px;
  font-weight: 600;
}
.step h2 {
  font-family: Georgia, "Source Serif Pro", "Times New Roman", serif;
  font-weight: 700;
  font-size: 30px;
  line-height: 1.15;
  letter-spacing: -0.4px;
  margin: 0 0 18px;
  color: var(--ink);
  transition: color 0.3s;
}
.step.active h2 { color: var(--accent); }
.step p {
  font-size: 17px;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.65;
}
.step em {
  color: var(--accent);
  font-style: italic;
  font-weight: 600;
}
.step strong {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- Stage progress dots ---------- */
.stage-progress-bar {
  display: flex;
  justify-content: center;
  margin-bottom: 14px;
}
.stage-dots { display: flex; gap: 8px; }
.stage-dots .dot {
  width: 28px; height: 3px; border-radius: 0;
  background: var(--rule); cursor: pointer;
  transition: background 0.3s;
}
.stage-dots .dot.active { background: var(--accent); }
.stage-dots .dot:hover { background: #b8b2a4; }
.stage-dots .dot.active:hover { background: var(--accent); }

.enc { color: var(--accent-cyan); font-weight: 600; }
.enc.fire { color: var(--fire); }
.enc.light { color: var(--light); }

/* ---------- Viz / map area (stays dark) ---------- */
.viz-area {
  display: grid;
  grid-template-columns: 1fr 190px;
  gap: 14px;
  align-items: start;
  position: relative;
  transition: grid-template-columns 0.55s ease;
}
.viz-area.fullwidth { grid-template-columns: 1fr 0; gap: 0; }
.map { width: 100%; height: 480px; position: relative; }
.viz-area.fullwidth .map { height: 440px; }

.state-panel {
  background: transparent;
  border: none;
  border-left: 1px solid var(--rule);
  border-radius: 0;
  padding: 10px 11px 10px 16px;
  min-height: 420px;
  font-size: 11.5px;
  font-family: Georgia, serif;
  color: var(--ink);
  opacity: 1;
  transition: opacity 0.45s ease, transform 0.45s ease;
  overflow: hidden;
}
.state-panel.hidden {
  opacity: 0;
  transform: translateX(20px);
  pointer-events: none;
}
.viz-area.fullwidth .state-panel {
  visibility: hidden;
  width: 0;
  padding: 0;
  border: 0;
  min-height: 0;
}
.state-panel-placeholder {
  color: var(--ink-mute);
  font-size: 11px;
  font-style: italic;
  text-align: center;
  margin-top: 50px;
  line-height: 1.5;
  padding: 0 6px;
}
.state-panel h3 {
  margin: 0 0 3px;
  font-size: 15px;
  font-family: Georgia, serif;
  font-weight: 700;
  color: var(--ink);
}
.state-panel .panel-sub {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--ink-mute);
  margin-bottom: 10px;
}
.state-panel .stat-row {
  display: flex;
  justify-content: space-between;
  margin: 3px 0;
  font-size: 11.5px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
.state-panel .stat-row .stat-label { color: var(--ink-mute); }
.state-panel .stat-row .stat-val { font-weight: 600; color: var(--ink); }
.state-panel .stat-row .stat-val.fire { color: var(--fire); }
.state-panel .stat-row .stat-val.light { color: var(--light); }
.state-panel .panel-chart { margin-top: 10px; }
.state-panel .panel-verdict {
  margin-top: 10px;
  padding: 7px 9px;
  background: rgba(184, 69, 58, 0.06);
  border-left: 2px solid var(--accent);
  font-family: Georgia, serif;
  font-size: 11.5px;
  line-height: 1.45;
  font-style: italic;
  color: var(--ink-soft);
}
.state-panel .panel-verdict strong {
  font-style: normal;
  color: var(--ink);
}

.biv-legend {
  position: absolute;
  bottom: 8px;
  left: 8px;
  background: rgba(251, 250, 247, 0.95);
  border: 1px solid var(--rule);
  padding: 10px;
  border-radius: 4px;
}

/* ---------- Stage controls (inside dark card) ---------- */
.stage-controls {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  min-height: 36px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 12px;
  color: var(--ink);
}
input[type="range"] { flex: 1; max-width: 460px; accent-color: var(--accent); }
label { font-size: 12px; color: var(--ink-mute); }
#week-label { color: var(--ink); font-weight: 600; }

.region-btn {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--rule);
  padding: 4px 10px;
  border-radius: 3px;
  cursor: pointer;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 11px;
  letter-spacing: 0.3px;
  transition: all 0.15s;
}
.region-btn:hover { border-color: var(--accent); color: var(--accent); }
.region-btn.active { background: var(--accent); color: var(--paper); border-color: var(--accent); }

.headline {
  font-family: Georgia, serif;
  font-size: 17px;
  color: var(--ink);
}
.thesis-line {
  font-family: Georgia, serif;
  color: var(--ink);
  flex-basis: 100%;
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
}
.thesis-num {
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.5px;
  line-height: 1;
}
.thesis-text {
  font-size: 14px;
  line-height: 1.45;
  color: var(--ink);
}
.thesis-text strong { font-weight: 700; }
.thesis-text #thesis-scope {
  color: var(--ink);
  font-weight: 600;
}
.region-row { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; flex-basis: 100%; }
#selection-info {
  flex-basis: 100%;
  font-size: 12px;
  color: var(--ink-mute);
  font-style: italic;
}
#selection-info strong { color: var(--ink); font-style: normal; }
.headline-text { color: var(--ink-mute); font-size: 13px; }

svg { display: block; }
svg .state-fill { fill: var(--no-data); stroke: var(--map-stroke); stroke-width: 1.8px; }
svg .axis path, svg .axis line { stroke: var(--rule); }
svg .axis text { fill: var(--ink-mute); font-size: 11px; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; }
svg .grid line { stroke: var(--rule); }

/* ---------- Tooltip ---------- */
.tooltip {
  position: fixed;
  background: var(--ink);
  border: 1px solid #2c2c2c;
  padding: 10px 12px;
  border-radius: 3px;
  pointer-events: none;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 12px;
  color: #fafaf7;
  display: none;
  z-index: 100;
  max-width: 260px;
  line-height: 1.5;
  box-shadow: 0 4px 12px rgba(0,0,0,0.18);
}
.tooltip strong { color: #f6c469; font-family: Georgia, serif; }

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--rule);
  padding: 40px 32px 80px;
  max-width: 720px;
  margin: 0 auto;
  color: var(--ink-mute);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.2px;
}
footer code {
  background: var(--paper-2);
  padding: 1px 5px;
  border-radius: 2px;
  font-family: "SF Mono", Consolas, monospace;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  header h1 { font-size: 36px; }
  .scrolly {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .scrolly-graphic {
    position: sticky;
    top: 0;
    height: 65vh;
    z-index: 5;
    background: var(--paper);
    margin: 0 -32px;
    padding: 12px 16px 0;
  }
  .viz-area { grid-template-columns: 1fr; }
  .map { height: 50vh; }
  .step { min-height: 60vh; padding: 30vh 0 10vh; }
}