/* ---------- Inline embedded Google Slides deck ---------- */

.slide-deck {
  position: relative;
  margin: 1.5rem 0 2rem;
  border: 1px solid #e5e5e5;
  border-radius: 10px;
  background: #fafafa;
  overflow: hidden;
}

.slide-deck-frame {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  background: #1f1f1f;
}

/* Empty state */
.slide-deck--empty {
  background: #fff;
  border-style: dashed;
}

.slide-deck-placeholder {
  padding: 1.5rem 1.25rem;
  text-align: center;
  color: #888;
}

.slide-deck-placeholder-icon {
  font-size: 1.6rem;
  margin-bottom: 0.25rem;
  opacity: 0.7;
}

.slide-deck-placeholder-title {
  font-weight: 600;
  color: #555;
  margin-bottom: 0.25rem;
}

.slide-deck-placeholder-hint {
  font-size: 0.85rem;
  color: #999;
}

.slide-deck-placeholder code {
  background: #f1f1f1;
  padding: 0 0.25rem;
  border-radius: 3px;
  font-size: 0.82rem;
}

/* ---------- Floating pinned slides ---------- */

.slide-deck-float {
  position: fixed;
  z-index: 9999;
  width: min(440px, 92vw);
  background: #ffffff;
  border-radius: 10px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.22), 0 2px 6px rgba(0,0,0,0.12);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: opacity 0.2s ease, transform 0.2s ease;
  opacity: 1;
  transform: translateY(0);
  outline: none;
}

.slide-deck-float.is-hidden {
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
}

.slide-deck-float.is-dragging {
  transition: none;
  user-select: none;
  cursor: grabbing;
  box-shadow: 0 18px 48px rgba(0,0,0,0.28), 0 4px 10px rgba(0,0,0,0.16);
}

.slide-deck-float-header {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.15rem 0.45rem;
  min-height: 22px;
  background: #f4f4f4;
  border-bottom: 1px solid #ececec;
  cursor: grab;
  user-select: none;
}

.slide-deck-float-header:active { cursor: grabbing; }

.slide-deck-float-grip {
  width: 11px;
  height: 13px;
  flex-shrink: 0;
  background-image: radial-gradient(circle, #b6b6b6 1.1px, transparent 1.4px);
  background-size: 5px 5px;
  background-position: 0 0;
  background-repeat: round;
  opacity: 0.85;
}

.slide-deck-float-header:hover .slide-deck-float-grip {
  opacity: 1;
}

.slide-deck-float-spacer {
  flex: 1;
}

.slide-deck-float-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: #666;
  font-size: 0.95rem;
  line-height: 1;
  width: 1.3rem;
  height: 1.3rem;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.slide-deck-float-btn:hover { background: #e5e5e5; color: #1f1f1f; }
.slide-deck-float-close:hover { color: #c14a4a; }

.slide-deck-float-frame {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  background: #1f1f1f;
}

.slide-deck-drag-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  cursor: grabbing;
  background: transparent;
}

@media (max-width: 600px) {
  .slide-deck-float { width: 86vw; }
}