/* Hallmark · pre-emit critique: P4 H5 E4 S4 R4 V4
 * theme: cobalt · page: 2h classroom deck + speaker guide
 */
html, body.deck { height: 100%; }
body.deck {
  margin: 0;
  background: var(--color-paper);
  overflow: hidden;
}
.deck-stage { height: calc(100dvh - 3.2rem); }
.slide {
  display: none;
  height: 100%;
  padding: clamp(1.2rem, 3vw, 2.4rem) clamp(1.2rem, 4vw, 3.5rem) 1rem;
  overflow: auto;
}
.slide.is-on { display: block; }
.slide h1 {
  font-size: clamp(2rem, 5.4vw, 4.1rem);
  line-height: 0.98;
  max-width: 18ch;
}
.slide .lede { font-size: 1.15rem; max-width: 46ch; }
.bullets {
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
  max-width: 46rem;
}
.bullets li {
  border-left: 2px solid var(--color-accent);
  padding: 0.35rem 0 0.35rem 0.8rem;
  font-size: 1.12rem;
}
.qr-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(14rem, 22rem);
  gap: 1.5rem;
  align-items: center;
  margin-top: 0.8rem;
}
.slide .count { color: var(--color-ink); font-size: clamp(3rem, 8vw, 6rem); }
.notes {
  display: none;
  margin-top: 1.4rem;
  padding: 1rem 0 0;
  border-top: 1px solid var(--color-rule);
  max-width: 62rem;
}
.notes-kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 0.45rem;
}
.notes p { margin: 0 0 0.6rem; }
.cue {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--color-muted);
}
body.show-notes .notes,
body.guia .notes { display: block; }
body.guia .slide h1 { font-size: clamp(1.6rem, 3.6vw, 2.6rem); max-width: 24ch; }
body.guia .notes {
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  padding: 1rem 1.1rem;
}
.deck-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.8rem;
  align-items: center;
  padding: 0.55rem 1rem;
  border-top: 1px solid var(--color-rule);
  background: var(--color-paper);
}
.folio-track { height: 4px; background: var(--color-paper-2); border-radius: 99px; overflow: hidden; }
.folio-track span { display: block; height: 100%; width: 0; background: var(--color-accent); }
.deck-nav {
  position: fixed;
  right: 1rem;
  bottom: 3.1rem;
  display: flex;
  gap: 0.4rem;
}
.deck-nav .btn { min-width: 2.8rem; }
.deck-hint {
  position: fixed;
  left: 1rem;
  bottom: 3.3rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
}
@media (max-width: 768px) {
  .qr-split { grid-template-columns: minmax(0, 1fr); }
  .deck-hint { display: none; }
}