/* image-toggle.css */

.image-toggle-stack {
  position: relative;
  width: 100%;
}

.image-toggle-cell {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
  pointer-events: none;
}

.image-toggle-cell.active {
  position: relative;
  opacity: 1;
  pointer-events: auto;
  display: flex;
  flex-direction: column;
}

.image-toggle-cell.active .cell {
  order: 1;
}

.image-toggle-cell.active .poll-table {
  order: 3;
}

.image-toggle-controls {
  display: flex;
  gap: 0.3em;
  margin: 0.3em 0;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
}

.image-toggle-btn {
  padding: 0.1em 0.4em;
  border: 1px solid #ddd;
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  font-size: 0.65em;
  color: #999;
  transition: all 0.2s ease;
}

.image-toggle-btn:hover {
  background: #f5f5f5;
  border-color: #bbb;
  color: #666;
}

.image-toggle-btn.active {
  background: #e8e8e8;
  color: #555;
  border-color: #ccc;
}

/* Hide caption, show figure label inline with controls */
.image-toggle figcaption {
  display: none;
}

.image-toggle-label {
  font-size: 0.6em;
  color: #aaa;
  margin-left: auto;
}

.image-toggle-mode-indicator {
  display: none;
}

/* For scroll mode, add a subtle hint */
[data-mode="scroll"] .image-toggle-stack::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(to right, #333 0%, #333 var(--scroll-progress, 0%), #ddd var(--scroll-progress, 0%), #ddd 100%);
  opacity: 0.5;
}

/* For hover mode, change cursor */
[data-mode="hover"] .image-toggle-stack {
  cursor: ew-resize;
}

/* Poll tables inside toggle cells */
.poll-table {
  font-size: 0.8em;
  margin-top: 0.5em;
  border-collapse: collapse;
  width: 100%;
  table-layout: fixed;
}

.poll-table td {
  padding: 0.2em 0.3em;
  text-align: center;
  border-bottom: 1px solid #ddd;
  overflow: hidden;
}

.poll-table td:first-child {
  width: 4.5em;
  text-align: left;
}

.poll-table td:last-child {
  width: 3em;
}

.poll-table tr:first-child td {
  color: #888;
  font-size: 0.9em;
}

.poll-table .strikethrough {
  text-decoration: line-through;
  opacity: 0.5;
}

.poll-table .empty {
  visibility: hidden;
}

/* Sidebar layout: sticky figure on left, steps scroll on right */
.image-toggle-sidebar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5em;
  align-items: start;
  margin: 1.5em 0;
}

.image-toggle-sidebar .image-toggle-figure {
  position: sticky;
  top: 2em;
}

.image-toggle-sidebar .image-toggle-figure img {
  max-width: 100%;
  height: auto;
}

.image-toggle-sidebar .image-toggle-steps {
  /* Steps column scrolls normally */
}

.image-toggle-sidebar .image-toggle-steps > * {
  margin-bottom: 0.75em;
}

.image-toggle-sidebar .image-toggle-steps h3 {
  margin-top: 0;
  font-size: 1em;
}

.image-toggle-sidebar .image-toggle-steps p {
  margin: 0 0 0.75em 0;
}

/* Smaller screens: stack vertically */
@media (max-width: 768px) {
  .image-toggle-sidebar {
    grid-template-columns: 1fr;
  }
  
  .image-toggle-sidebar .image-toggle-figure {
    position: relative;
    top: 0;
  }
}

/* Nested step groups */
.step-group {
  margin-bottom: 1em;
}

.step-group h3,
.step-group h4,
.step-group-header {
  display: flex;
  align-items: center;
  gap: 0.4em;
  margin: 0 0 0.3em 0;
  font-size: 0.95em;
  color: #444;
  user-select: none;
}

.step-group-indicator {
  font-size: 0.8em;
  color: #888;
  transition: transform 0.2s ease;
  width: 1em;
  text-align: center;
}

.step-group-substeps {
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.2s ease;
  padding-left: 1.2em;
  border-left: 2px solid #e0e0e0;
  margin-left: 0.4em;
}

.step-group-substeps.collapsed {
  max-height: 0;
  opacity: 0;
  pointer-events: none;
}

.step-group-substeps.expanded {
  max-height: 1000px;
  opacity: 1;
  pointer-events: auto;
}

.substep {
  padding: 0.5em 0;
  border-bottom: 1px solid #f0f0f0;
  font-size: 0.9em;
  transition: background-color 0.2s ease;
}

.substep:last-child {
  border-bottom: none;
}

.substep.active-step {
  background-color: #f8f8ff;
  border-left: 2px solid #6366f1;
  margin-left: -1.2em;
  padding-left: calc(1.2em - 2px);
}

.substep p {
  margin: 0;
}

.substep strong {
  color: #333;
}