:root {
  --bg: #0d0f14;
  --bg-panel: #14171f;
  --bg-panel-raised: #191d27;
  --border: #262b38;
  --text-primary: #e8e6df;
  --text-secondary: #8b90a0;
  --text-tertiary: #565c6c;
  --accent: #c9a227;
  --accent-bright: #e0bd4a;
  --accent-dim: rgba(201, 162, 39, 0.14);
  --positive: #4f9d69;
  --negative: #b34a42;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: 1800px;
  margin: 0 auto;
  padding: 48px 40px 80px;
}

/* ---------- Hero ---------- */

.hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 44px;
  height: 44px;
  display: block;
}

.wordmark {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 400;
  margin: 0;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.status {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.status.ready { color: var(--positive); }
.status.error { color: var(--negative); }

.tagline {
  margin: 8px 0 0;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* ---------- Tabs ---------- */

.tab-nav {
  display: flex;
  gap: 4px;
  margin: 32px 0 0;
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 10px 18px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--accent-bright);
  border-bottom-color: var(--accent);
}

.tab-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.forecast-intro {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin: 32px 0 24px;
  max-width: 760px;
}

/* ---------- Scrubber (signature element) ---------- */

.scrubber-inline {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.scrubber-track {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(to right, var(--accent) 0%, var(--accent) var(--fill, 0%), var(--border) var(--fill, 0%), var(--border) 100%);
  outline: none;
  cursor: pointer;
  margin: 6px 0;
}

.scrubber-track-thin {
  height: 3px;
}

.scrubber-track::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-bright);
  border: 3px solid var(--bg-panel);
  box-shadow: 0 0 0 1px var(--accent);
  cursor: grab;
  transition: transform 0.12s ease;
}

.scrubber-track::-webkit-slider-thumb:hover,
.scrubber-track::-webkit-slider-thumb:active {
  transform: scale(1.15);
}

.scrubber-track::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-bright);
  border: 3px solid var(--bg-panel);
  box-shadow: 0 0 0 1px var(--accent);
  cursor: grab;
}

.scrubber-track:focus-visible {
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.scrubber-hint {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-tertiary);
  text-align: center;
  margin: 2px 0 4px;
}

.scrubber-bounds {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
  margin-top: 4px;
}

/* ---------- Event popup ---------- */

.event-popup {
  position: absolute;
  z-index: 20;
  width: 320px;
  max-width: calc(100% - 24px);
  padding: 16px 20px;
  background: #1c1608;
  border: 1px solid var(--accent);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.event-popup-tail {
  position: absolute;
  left: var(--tail-left, 50%);
  bottom: -7px;
  width: 14px;
  height: 14px;
  margin-left: -7px;
  background: #1c1608;
  border-right: 1px solid var(--accent);
  border-bottom: 1px solid var(--accent);
  transform: rotate(45deg);
}

.event-close {
  position: absolute;
  top: 8px;
  right: 10px;
  width: 26px;
  height: 26px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  border-radius: 6px;
  transition: color 0.15s ease, background 0.15s ease;
}

.event-close:hover {
  color: var(--accent-bright);
  background: rgba(255, 255, 255, 0.06);
}

.event-close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.event-date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-bright);
  margin: 0 0 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.event-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text-primary);
  margin: 0 0 6px;
  padding-right: 30px;
  line-height: 1.25;
}

.event-narrative {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin: 0 0 8px;
  line-height: 1.5;
}

.event-linked {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-tertiary);
  margin: 0;
}

/* ---------- Indicator picker ---------- */

.chip-tooltip {
  position: fixed;
  z-index: 60;
  max-width: 260px;
  padding: 8px 12px;
  background: #14171f;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.45;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.45);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.12s ease;
}

.chip-tooltip.visible {
  opacity: 1;
}

.picker-section {
  margin-bottom: 24px;
}

.model-note {
  margin: 0 0 24px;
  padding: 14px 20px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--text-tertiary);
  border-radius: 8px;
}

.model-note p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
}

.model-note strong {
  color: var(--text-primary);
}

.model-note a {
  color: var(--accent-bright);
}

.picker-groups {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.picker-group-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin: 10px 0 2px;
}

.picker-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.chip:hover {
  border-color: var(--text-tertiary);
  color: var(--text-primary);
}

.chip.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent-bright);
}

.chip:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.chip-swatch {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}

/* ---------- Chart ---------- */

.chart-section {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 24px;
}

.chart-wrap {
  position: relative;
  height: 480px;
}

.chart-zoom {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  margin-bottom: 12px;
}

.zoom-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.zoom-btn:hover {
  border-color: var(--text-tertiary);
  color: var(--text-primary);
}

.zoom-btn.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent-bright);
}

.zoom-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- Snapshot ---------- */

.snapshot-section {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
}

.snapshot-title {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin: 0 0 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

#snapshotDate {
  font-family: var(--font-mono);
  color: var(--accent-bright);
  text-transform: none;
  letter-spacing: 0;
}

.snapshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px 24px;
  margin: 0;
}

.snapshot-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.snapshot-item dt {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.snapshot-item dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.snapshot-empty {
  color: var(--text-tertiary);
  font-size: 0.9rem;
  grid-column: 1 / -1;
}

/* ---------- Footer ---------- */

.site-footer {
  margin-top: 40px;
  color: var(--text-secondary);
  font-size: 1.05rem;
  text-align: center;
}

.site-footer p { margin: 0; }

.site-footer a {
  color: var(--text-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.site-footer a:hover {
  color: var(--accent-bright);
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* ---------- Mobile ---------- */

@media (max-width: 640px) {
  .page { padding: 32px 16px 60px; }
  .scrubber-inline { padding-top: 10px; }
  .chart-section { padding: 14px; }
  .chart-wrap { height: 280px; }
  .snapshot-grid { grid-template-columns: 1fr; }
  .scrubber-track::-webkit-slider-thumb { width: 26px; height: 26px; }
  .scrubber-track::-moz-range-thumb { width: 26px; height: 26px; }
  .brand-logo { width: 34px; height: 34px; }
}