/* ── Global typography ───────────────────────────────────────────── */
.reveal { font-family: 'Inter', sans-serif; }
.reveal h1, .reveal h2, .reveal h3 { font-weight: 700; }
.reveal h2 { color: #58a6ff; }
.reveal .subtitle { color: #8b949e; font-size: 1.1em; }

/* ── Code blocks ────────────────────────────────────────────────── */
.reveal pre code { font-size: 0.7em; line-height: 1.5; }

/* ── Two-column helper ──────────────────────────────────────────── */
.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }
.cols-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.5rem; align-items: start; }

/* ── Package pill badges ────────────────────────────────────────── */
.pkg-badge {
  display: inline-block;
  background: #21262d;
  border: 1px solid #30363d;
  border-radius: 6px;
  padding: 0.3rem 0.9rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9em;
  color: #79c0ff;
  margin: 0.2rem;
}
.pkg-badge.cran  { border-color: #3fb950; color: #3fb950; }
.pkg-badge.gh    { border-color: #d29922; color: #d29922; }
.pkg-badge.pend  { border-color: #a371f7; color: #a371f7; }

/* ── CRAN timeline ──────────────────────────────────────────────── */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: 2rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0.55rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 3px;
  background: linear-gradient(180deg, #3fb950, #58a6ff, #a371f7);
  border-radius: 2px;
}
.timeline-item {
  display: flex;
  align-items: baseline;
  gap: 1.2rem;
  position: relative;
  padding: 0.55rem 0;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.5rem;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #58a6ff;
  border: 2px solid #0d1117;
}
.timeline-item.cran::before  { background: #3fb950; }
.timeline-item.pend::before  { background: #a371f7; }
.timeline-item.gh::before    { background: #d29922; }
.tl-date  { color: #8b949e; font-size: 0.8em; min-width: 5rem; text-align: right; }
.tl-label { font-family: 'JetBrains Mono', monospace; font-size: 0.95em; color: #e6edf3; }
.tl-desc  { color: #8b949e; font-size: 0.8em; }

/* ── Callout-style boxes ────────────────────────────────────────── */
.callout-box {
  background: #161b22;
  border-left: 4px solid #58a6ff;
  border-radius: 0 8px 8px 0;
  padding: 0.8rem 1.2rem;
  margin: 0.4rem 0;
  font-size: 0.88em;
}
.callout-box.warn { border-color: #d29922; }
.callout-box.ok   { border-color: #3fb950; }

/* ── Limitation chips ──────────────────────────────────────────── */
.chip {
  display: inline-block;
  background: #21262d;
  border-radius: 20px;
  padding: 0.25rem 0.8rem;
  font-size: 0.78em;
  color: #f85149;
  border: 1px solid #f85149;
  margin: 0.2rem;
}

/* ── Big stat numbers ──────────────────────────────────────────── */
.stat { font-size: 2.5em; font-weight: 800; color: #58a6ff; }

/* ── Dim helper text ──────────────────────────────────────────── */
.dim { color: #8b949e; font-size: 0.85em; }

/* ── Title slide overrides ──────────────────────────────────────── */
.reveal .title-slide .title { font-size: 2.5em; }
.reveal .title-slide .subtitle { font-size: 1.2em; color: #8b949e; }