/* ============================================
   PORTAL PRESENTER — Presentation Mode Styles
   Retro Neon Theme + Build-up Animations
   
   Uses same color palette as retro-neon.css:
   - Background:  #0f0f1a
   - Text:        #e8e8e8
   - Magenta:     #ff66ff (headings, active)
   - Cyan:        #66ffff (links, accents)
   - Amber:       #ffcc33 (secondary)
   - Green:       #00dd44 (code)
   - Purple:      #6600cc (primary)
   ============================================ */

/* ─── Enter Button (floating) ───────────────── */
.pp-enter-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  padding: 10px 20px;
  background: rgba(15, 15, 26, 0.9);
  color: #ff66ff;
  border: 1px solid #ff66ff;
  border-radius: 6px;
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 0 12px rgba(255, 102, 255, 0.2);
  backdrop-filter: blur(8px);
  letter-spacing: 0.5px;
}

.pp-enter-btn:hover {
  background: rgba(255, 102, 255, 0.15);
  box-shadow: 0 0 20px rgba(255, 102, 255, 0.4);
  transform: translateY(-2px);
}

.pp-enter-btn:active {
  transform: translateY(0);
}

/* ─── Presentation Overlay ──────────────────── */
.pp-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #0f0f1a;
  opacity: 0;
  transition: opacity 0.35s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.pp-overlay.pp-visible {
  opacity: 1;
}

body.pp-presenting {
  overflow: hidden !important;
}

/* ─── Slides Container ──────────────────────── */
.pp-slides-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ─── Individual Slide ──────────────────────── */
.pp-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 40px;
  opacity: 0;
  transition: opacity 0.35s ease, transform 0.35s ease;
  pointer-events: none;
  transform: scale(0.98);
}

.pp-slide.pp-active {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

.pp-slide.pp-exit-left {
  opacity: 0;
  transform: translateX(-30px) scale(0.98);
}

.pp-slide.pp-exit-right {
  opacity: 0;
  transform: translateX(30px) scale(0.98);
}

.pp-slide.pp-enter-right {
  transform: translateX(30px) scale(0.98);
}

.pp-slide.pp-enter-left {
  transform: translateX(-30px) scale(0.98);
}

/* ─── Slide Content ─────────────────────────── */
.pp-slide-content {
  max-width: 1200px;
  width: 100%;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #6600cc #0f0f1a;
}

.pp-slide-content::-webkit-scrollbar {
  width: 4px;
}

.pp-slide-content::-webkit-scrollbar-thumb {
  background: #6600cc;
  border-radius: 2px;
}

/* Heading styles in slides */
.pp-slide-content h2 {
  font-size: 2.4rem !important;
  color: #ff66ff !important;
  text-shadow: 0 0 20px rgba(255, 102, 255, 0.4);
  border-bottom: 2px solid rgba(255, 102, 255, 0.3);
  padding-bottom: 14px;
  margin-bottom: 28px;
}

.pp-slide-content h3 {
  font-size: 1.9rem !important;
  color: #66ffff !important;
  text-shadow: 0 0 16px rgba(102, 255, 255, 0.3);
  margin-bottom: 24px;
}

/* Body text — larger for presentation readability */
.pp-slide-content p {
  font-size: 1.25rem;
  line-height: 1.8;
  color: #e8e8e8;
  margin-bottom: 18px;
}

/* Lists */
.pp-slide-content ul,
.pp-slide-content ol {
  font-size: 1.2rem;
  line-height: 1.9;
}

.pp-slide-content li {
  margin-bottom: 8px;
}

/* Tables — larger in presentation */
.pp-slide-content table {
  font-size: 1.1rem;
  width: 100%;
}

.pp-slide-content th {
  font-size: 1.15rem;
}

/* Code blocks */
.pp-slide-content pre {
  font-size: 1rem !important;
  max-height: 55vh;
  overflow-y: auto;
}

/* Continuation marker */
.pp-cont {
  font-size: 0.7em;
  color: #999;
  font-weight: 400;
  font-style: italic;
}

/* ─── Fragment Build-up Animation ───────────── */
.pp-fragment {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.pp-fragment.pp-fragment-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Table wrapper fragment — hides entire table until reached */
.pp-fragment-table {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.pp-fragment-table.pp-fragment-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Table row fragments — stay hidden inside visible table until their turn */
tr.pp-fragment-row {
  opacity: 0;
  transform: none !important;
  transition: opacity 0.4s ease;
}

tr.pp-fragment-row.pp-fragment-visible {
  opacity: 1;
  transform: none !important;
}

/* ─── Title Slide ───────────────────────────── */
.pp-title-slide {
  background: radial-gradient(ellipse at center, #1a1a2e 0%, #0f0f1a 70%);
}

.pp-title-content {
  text-align: center;
  max-width: 900px;
}

.pp-title-branding {
  font-family: 'Cascadia Code', 'Fira Code', monospace;
  font-size: 1rem;
  letter-spacing: 4px;
  color: #66ffff;
  text-shadow: 0 0 20px rgba(102, 255, 255, 0.5);
  margin-bottom: 36px;
  text-transform: uppercase;
}

.pp-title-branding span {
  color: #ff66ff;
  text-shadow: 0 0 20px rgba(255, 102, 255, 0.5);
}

/* Customer branding */
.pp-title-client {
  font-family: 'Cascadia Code', 'Fira Code', monospace;
  font-size: 1.1rem;
  color: #ffcc66;
  text-shadow: 0 0 15px rgba(255, 204, 102, 0.4);
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.pp-title-client strong {
  color: #ffffff;
  font-size: 1.3rem;
}

.pp-title-content h1 {
  font-size: 3.4rem !important;
  color: #e8e8e8 !important;
  text-shadow: 0 0 30px rgba(255, 102, 255, 0.3);
  line-height: 1.2;
  margin-bottom: 36px;
  font-weight: 700;
}

/* Title slide links row */
.pp-title-links {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.pp-title-links a {
  font-family: 'Cascadia Code', 'Fira Code', monospace;
  font-size: 0.9rem;
  color: #ffcc33;
  text-decoration: none;
  text-shadow: 0 0 10px rgba(255, 204, 51, 0.3);
  letter-spacing: 0.5px;
  transition: color 0.2s ease, text-shadow 0.2s ease;
  white-space: nowrap;
}

.pp-title-links a:hover {
  color: #66ffff;
  text-shadow: 0 0 16px rgba(102, 255, 255, 0.5);
}

.pp-title-hint {
  margin-top: 48px;
  font-size: 0.85rem;
  color: #666;
  animation: pp-pulse 2s ease-in-out infinite;
}

.pp-title-hint kbd {
  display: inline-block;
  padding: 2px 8px;
  background: rgba(255, 102, 255, 0.1);
  border: 1px solid rgba(255, 102, 255, 0.3);
  border-radius: 4px;
  color: #ff66ff;
  font-family: 'Cascadia Code', monospace;
  font-size: 0.85rem;
}

@keyframes pp-pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* ─── Navigation Hint (bottom bar) ──────────── */
.pp-nav-hint {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  padding: 10px 24px;
  background: rgba(26, 26, 46, 0.9);
  border: 1px solid rgba(102, 0, 204, 0.4);
  border-radius: 8px;
  color: #999;
  font-family: 'Cascadia Code', monospace;
  font-size: 0.8rem;
  backdrop-filter: blur(8px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  white-space: nowrap;
}

.pp-nav-hint kbd {
  display: inline-block;
  padding: 1px 6px;
  margin: 0 2px;
  background: rgba(255, 102, 255, 0.1);
  border: 1px solid rgba(255, 102, 255, 0.3);
  border-radius: 3px;
  color: #ff66ff;
  font-family: 'Cascadia Code', monospace;
  font-size: 0.8rem;
}

.pp-nav-hint.pp-hint-hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(20px);
  pointer-events: none;
}

/* ─── Slide Counter (subtle) ────────────────── */
.pp-slide-counter {
  position: fixed;
  top: 16px;
  right: 20px;
  z-index: 10000;
  font-family: 'Cascadia Code', monospace;
  font-size: 0.75rem;
  color: #444;
  letter-spacing: 1px;
}

/* ─── Responsive ────────────────────────────── */
@media (max-width: 768px) {
  .pp-slide {
    padding: 24px 16px;
  }

  .pp-slide-content h2 {
    font-size: 1.7rem !important;
  }

  .pp-slide-content h3 {
    font-size: 1.4rem !important;
  }

  .pp-title-content h1 {
    font-size: 2.2rem !important;
  }

  .pp-slide-content p,
  .pp-slide-content ul,
  .pp-slide-content ol {
    font-size: 1.05rem;
  }

  .pp-enter-btn {
    bottom: 16px;
    right: 16px;
    padding: 8px 14px;
    font-size: 0.75rem;
  }

  .pp-title-links {
    gap: 16px;
  }

  .pp-title-links a {
    font-size: 0.8rem;
  }
}


/* ─── Slide Picker / Overview ──────────────── */
.pp-picker-overlay {
  position: fixed;
  inset: 0;
  z-index: 11000;
  background: rgba(15, 15, 26, 0.96);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.3s ease;
  overflow-y: auto;
}
.pp-picker-overlay.pp-picker-visible {
  opacity: 1;
}

.pp-picker-header {
  text-align: center;
  margin-bottom: 24px;
  flex-shrink: 0;
}
.pp-picker-title {
  font-size: 2rem;
  font-weight: 700;
  color: #ff66ff;
  margin-bottom: 8px;
  text-shadow: 0 0 12px rgba(255, 102, 255, 0.5);
}
.pp-picker-info {
  color: #aaa;
  font-size: 0.9rem;
}
.pp-picker-info kbd {
  background: #333;
  border: 1px solid #555;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.85em;
  color: #66ffff;
}

.pp-picker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  width: 100%;
  max-width: 1200px;
}

.pp-picker-card {
  background: #1a1a2e;
  border: 2px solid #333;
  border-radius: 10px;
  display: flex;
  flex-wrap: wrap;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s, opacity 0.2s;
  cursor: pointer;
}
.pp-picker-card > .pp-picker-check,
.pp-picker-card > .pp-picker-card-body,
.pp-picker-card > .pp-picker-edit {
  flex-shrink: 0;
}
.pp-picker-card > .pp-picker-elements {
  flex-basis: 100%;
}
.pp-picker-card:hover {
  border-color: #ff66ff;
  box-shadow: 0 0 12px rgba(255, 102, 255, 0.3);
}
.pp-picker-card.pp-picker-current {
  border-color: #66ffff;
  box-shadow: 0 0 16px rgba(102, 255, 255, 0.4);
}
.pp-picker-card.pp-picker-skipped {
  opacity: 0.35;
  border-color: #222;
}
.pp-picker-card.pp-picker-skipped:hover {
  opacity: 0.6;
}

.pp-picker-check {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 10px;
  background: rgba(0, 0, 0, 0.3);
  border-right: 1px solid #333;
  gap: 6px;
  cursor: pointer;
}
.pp-picker-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: #ff66ff;
  cursor: pointer;
}
.pp-picker-num {
  font-size: 0.75rem;
  color: #666;
  font-weight: 600;
}

.pp-picker-card-body {
  flex: 1;
  padding: 12px 14px;
  overflow: hidden;
}
.pp-picker-card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #e8e8e8;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}
.pp-picker-cont {
  font-weight: 400;
  font-size: 0.8rem;
  color: #666;
}
.pp-picker-card-icons {
  font-size: 1.1rem;
  margin-bottom: 4px;
  letter-spacing: 4px;
}
.pp-picker-card-preview {
  font-size: 0.75rem;
  color: #888;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ⚙️ Edit button */
.pp-picker-edit {
  background: transparent;
  border: none;
  border-left: 1px solid #333;
  padding: 8px 10px;
  cursor: pointer;
  font-size: 1.1rem;
  opacity: 0.5;
  transition: opacity 0.2s, background 0.2s;
  display: flex;
  align-items: center;
}
.pp-picker-edit:hover,
.pp-picker-edit-active {
  opacity: 1;
  background: rgba(255, 102, 255, 0.1);
}

/* Element-level panel */
.pp-picker-elements {
  display: none;
  border-top: 1px solid #333;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.3);
}
.pp-picker-elements.pp-picker-elements-open {
  display: block;
}
.pp-picker-el-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 4px;
  border-radius: 4px;
  cursor: pointer;
  transition: opacity 0.2s, background 0.2s;
}
.pp-picker-el-row:hover {
  background: rgba(255, 255, 255, 0.05);
}
.pp-picker-el-hidden {
  opacity: 0.35;
}
.pp-picker-el-row input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: #66ffff;
  cursor: pointer;
  flex-shrink: 0;
}
.pp-picker-el-icon {
  font-size: 0.95rem;
  flex-shrink: 0;
}
.pp-picker-el-label {
  font-size: 0.8rem;
  color: #ccc;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}
.pp-picker-el-text {
  font-size: 0.7rem;
  color: #777;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

/* Hidden element in presentation */
.pp-element-hidden {
  display: none !important;
}

/* ─── Annotation Tools ─────────────────────── */
.pp-annotation-canvas {
  position: fixed;
  inset: 0;
  z-index: 10500;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
}
.pp-annotation-canvas.pp-canvas-active {
  pointer-events: auto;
  opacity: 1;
  cursor: crosshair;
}
.pp-annotation-canvas.pp-canvas-crosshair {
  cursor: crosshair;
}
.pp-annotation-canvas.pp-canvas-erase {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20'%3E%3Ccircle cx='10' cy='10' r='9' fill='none' stroke='%23fff' stroke-width='2'/%3E%3C/svg%3E") 10 10, auto;
}

/* Laser pointer dot */
.pp-laser-dot {
  position: fixed;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: radial-gradient(circle, #ff3333 0%, #ff3333 40%, rgba(255, 51, 51, 0.5) 60%, transparent 100%);
  box-shadow: 0 0 12px 4px rgba(255, 51, 51, 0.7), 0 0 24px 8px rgba(255, 51, 51, 0.3);
  pointer-events: none;
  z-index: 10600;
  transform: translate(-50%, -50%);
  animation: pp-laser-pulse 1s ease-in-out infinite;
}
@keyframes pp-laser-pulse {
  0%, 100% { box-shadow: 0 0 12px 4px rgba(255, 51, 51, 0.7), 0 0 24px 8px rgba(255, 51, 51, 0.3); }
  50% { box-shadow: 0 0 16px 6px rgba(255, 51, 51, 0.9), 0 0 32px 12px rgba(255, 51, 51, 0.5); }
}

.pp-annotating .pp-slide { cursor: none; }

/* ─── Drawing Toolbar ──────────────────────── */
.pp-draw-toolbar {
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%) translateY(-60px);
  z-index: 10700;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(15, 15, 26, 0.92);
  border: 1px solid #444;
  border-radius: 10px;
  padding: 6px 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
  transition: transform 0.3s ease, opacity 0.3s ease;
  opacity: 0;
}
.pp-draw-toolbar.pp-tb-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}
.pp-tb-group {
  display: flex;
  align-items: center;
  gap: 4px;
}
.pp-tb-sep {
  width: 1px;
  height: 24px;
  background: #555;
  margin: 0 4px;
}
.pp-tb-btn {
  background: transparent;
  border: 2px solid transparent;
  border-radius: 6px;
  padding: 5px 8px;
  font-size: 1.1rem;
  cursor: pointer;
  color: #ccc;
  transition: border-color 0.15s, background 0.15s;
}
.pp-tb-btn:hover {
  background: rgba(255,255,255,0.1);
  border-color: #666;
}
.pp-tb-btn.pp-tb-active {
  border-color: #ff66ff;
  background: rgba(255, 102, 255, 0.15);
  box-shadow: 0 0 8px rgba(255, 102, 255, 0.3);
}
.pp-tb-close {
  color: #ff6666;
  font-weight: 700;
  font-size: 0.9rem;
}
.pp-tb-color {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid #555;
  cursor: pointer;
  padding: 0;
  transition: border-color 0.15s, transform 0.15s;
}
.pp-tb-color:hover {
  transform: scale(1.2);
}
.pp-tb-color.pp-tb-active {
  border-color: #fff;
  transform: scale(1.2);
  box-shadow: 0 0 6px rgba(255,255,255,0.4);
}

/* ─── Whiteboard / Blackboard ──────────────── */
.pp-whiteboard {
  position: fixed;
  inset: 0;
  z-index: 10400;
}
.pp-wb-dark {
  background: #111118;
}
.pp-wb-light {
  background: #f5f5f0;
}
.pp-wb-controls {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10410;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid #555;
  border-radius: 8px;
  padding: 6px 16px;
}
.pp-wb-label {
  color: #ccc;
  font-size: 0.85rem;
  font-weight: 600;
}
.pp-wb-toggle,
.pp-wb-close {
  background: transparent;
  border: 1px solid #666;
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
  color: #ccc;
  font-size: 0.95rem;
  transition: background 0.15s;
}
.pp-wb-toggle:hover,
.pp-wb-close:hover {
  background: rgba(255,255,255,0.1);
}

/* ─── Lightbox Pop-out ──────────────────────── */
.pp-lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 10001;
  background: rgba(5, 5, 15, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  cursor: zoom-out;
  backdrop-filter: blur(4px);
}

.pp-lightbox-overlay.pp-lightbox-visible {
  opacity: 1;
}

.pp-lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  width: fit-content;
  min-width: 320px;
  overflow: auto;
  padding: 32px 40px;
  background: #0f0f1a;
  border: 1px solid rgba(102, 0, 204, 0.4);
  border-radius: 10px;
  box-shadow: 0 0 40px rgba(102, 0, 204, 0.3), 0 0 80px rgba(255, 102, 255, 0.1);
  cursor: default;
  scrollbar-width: thin;
  scrollbar-color: #6600cc #0f0f1a;
  font-size: 1.15rem;
  line-height: 1.8;
}

/* Admonitions / tips / notes — cap width for readability */
.pp-lightbox-content .admonition,
.pp-lightbox-content details {
  max-width: 640px;
  font-size: 1.2rem;
  line-height: 1.9;
}

.pp-lightbox-content .admonition p,
.pp-lightbox-content details p {
  font-size: 1.2rem;
  line-height: 1.9;
}

.pp-lightbox-content .admonition .admonition-title,
.pp-lightbox-content details summary {
  font-size: 1.25rem;
}

/* Blockquotes — also narrower */
.pp-lightbox-content blockquote {
  max-width: 700px;
  font-size: 1.2rem;
  line-height: 1.9;
}

.pp-lightbox-content table {
  font-size: 1.15rem;
}

.pp-lightbox-content pre {
  font-size: 1rem !important;
  max-height: 80vh;
}

.pp-lightbox-content img {
  max-width: 100%;
  height: auto;
}

/* Lightbox close button */
.pp-lightbox-close {
  position: fixed;
  top: 20px;
  right: 24px;
  z-index: 10002;
  width: 40px;
  height: 40px;
  background: rgba(15, 15, 26, 0.8);
  color: #ff66ff;
  border: 1px solid rgba(255, 102, 255, 0.4);
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  backdrop-filter: blur(8px);
}

.pp-lightbox-close:hover {
  background: rgba(255, 102, 255, 0.2);
  box-shadow: 0 0 16px rgba(255, 102, 255, 0.4);
  transform: scale(1.1);
}

/* Hover indicator on lightbox-able elements */
.md-content__inner table,
.md-content__inner pre,
.md-content__inner .admonition,
.md-content__inner details,
.md-content__inner img,
.md-content__inner blockquote,
.md-content__inner .tabbed-set,
.pp-slide-content table,
.pp-slide-content pre,
.pp-slide-content .admonition,
.pp-slide-content details,
.pp-slide-content img,
.pp-slide-content blockquote,
.pp-slide-content .tabbed-set {
  cursor: zoom-in;
  transition: box-shadow 0.2s ease;
}

.md-content__inner table:hover,
.md-content__inner pre:hover,
.md-content__inner .admonition:hover,
.md-content__inner details:hover,
.md-content__inner blockquote:hover,
.md-content__inner .tabbed-set:hover,
.pp-slide-content table:hover,
.pp-slide-content pre:hover,
.pp-slide-content .admonition:hover,
.pp-slide-content details:hover,
.pp-slide-content blockquote:hover,
.pp-slide-content .tabbed-set:hover {
  box-shadow: 0 0 16px rgba(102, 0, 204, 0.3);
}

/* ─── Diagram Pan/Zoom ─────────────────────── */
.pp-lightbox-zoomable {
  cursor: grab;
  transform-origin: center center;
  transition: none !important;
  max-width: none !important;
  max-height: none !important;
  overflow: visible;
}
.pp-lightbox-zoomable svg {
  max-width: 100%;
  height: auto;
}
.pp-lightbox-zoomable img {
  max-width: 100%;
  height: auto;
}

/* Mermaid diagrams cloned for presentation/lightbox */
.pp-mermaid-img {
  background: transparent !important;
  border: none !important;
  padding: 8px !important;
  text-align: center;
  overflow: visible !important;
}
.pp-mermaid-img svg {
  max-height: 65vh;
  width: auto;
  max-width: 100%;
}
.pp-slide-content .pp-mermaid-img svg {
  max-height: 60vh;
}
.pp-lightbox-content .pp-mermaid-img svg {
  max-height: 85vh;
}

/* Zoom controls */
.pp-zoom-controls {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10003;
  display: flex;
  gap: 8px;
  background: rgba(15, 15, 26, 0.9);
  border: 1px solid #555;
  border-radius: 8px;
  padding: 6px 12px;
  backdrop-filter: blur(8px);
}
.pp-zoom-controls button {
  background: transparent;
  border: 1px solid #555;
  color: #ccc;
  padding: 4px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.15s, border-color 0.15s;
}
.pp-zoom-controls button:hover {
  background: rgba(255, 102, 255, 0.15);
  border-color: #ff66ff;
}

/* Add mermaid to lightbox hover indicators */
.md-content__inner .mermaid,
.md-content__inner svg,
.pp-slide-content .mermaid,
.pp-slide-content svg {
  cursor: zoom-in;
  transition: box-shadow 0.2s ease;
}
.md-content__inner .mermaid:hover,
.md-content__inner svg:hover,
.pp-slide-content .mermaid:hover,
.pp-slide-content svg:hover {
  box-shadow: 0 0 16px rgba(102, 0, 204, 0.3);
}

/* ─── Print: hide presentation UI ───────────── */
@media print {
  .pp-enter-btn,
  .pp-overlay {
    display: none !important;
  }
}