/* Shared visualization theme — warm palette.
   Loaded after /assets/style.css. Scopes everything under body.viz-page. */

/* ── Page base ── */
body.viz-page {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Header ── */
body.viz-page header.site {
  border-bottom: 1px solid var(--rule);
}

/* ── Hero ── */
body.viz-page .hero {
  padding: 3rem 2rem 2rem;
  max-width: 900px;
  margin: 0 auto;
}
body.viz-page .kicker {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
body.viz-page h1 {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 1rem;
  color: var(--ink);
}
body.viz-page .lede {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 600px;
  line-height: 1.6;
  margin-bottom: 2rem;
}

/* ── Controls ── */
body.viz-page .controls {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 0 2rem;
  max-width: 900px;
  margin: 0 auto 1.5rem;
}
body.viz-page .btn {
  padding: 0.35rem 0.9rem;
  border-radius: 20px;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.15s;
}
body.viz-page .btn:hover { border-color: var(--accent); color: var(--accent); }
body.viz-page .btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ── Chart wrap ── */
body.viz-page #chart-wrap {
  position: relative;
  padding: 0 1rem;
}
body.viz-page #chart-wrap svg { display: block; width: 100%; }

/* ── Tooltip ── */
body.viz-page .tooltip {
  position: fixed;
  pointer-events: none;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 13px;
  z-index: 1000;
  max-width: 260px;
  box-shadow: 0 8px 40px rgba(23,21,17,0.12);
  opacity: 0;
  transition: opacity 0.1s;
  color: var(--ink);
}

/* ── Legend ── */
body.viz-page .legend,
body.viz-page .legend-row {
  display: flex;
  gap: 2rem;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 900px;
  margin: 0.5rem auto 2rem;
  font-size: 0.78rem;
  color: var(--muted);
  font-family: var(--mono);
}
body.viz-page .legend-item { display: flex; align-items: center; gap: 0.5rem; }

/* ── Loading ── */
body.viz-page #loading {
  text-align: center;
  padding: 6rem 2rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  body.viz-page .hero,
  body.viz-page .controls { padding-left: 1rem; padding-right: 1rem; }
  body.viz-page h1 { font-size: 1.8rem; }
}