/* ==========================================================================
   AZOTH: The Zero-Leakage Saga — Manga & Comic High-Res Lightbox Inspector
   Cyberpunk Alchemical HUD · Zoom & Pan · Dialogue Magnifier · Keyboard Engine
   ========================================================================== */

:root {
  --clb-gold: #fbbf24;
  --clb-gold-glow: rgba(251, 191, 36, 0.45);
  --clb-cyan: #00f0ff;
  --clb-cyan-glow: rgba(0, 240, 255, 0.4);
  --clb-purple: #a855f7;
  --clb-rose: #ff007a;
  --clb-emerald: #10b981;
  --clb-bg: rgba(3, 5, 12, 0.96);
  --clb-surface: rgba(11, 16, 32, 0.85);
  --clb-surface-solid: #0d1224;
  --clb-surface-hover: rgba(20, 29, 56, 0.9);
  --clb-border: rgba(0, 240, 255, 0.22);
  --clb-border-gold: rgba(251, 191, 36, 0.35);
  --clb-text: #f8fafc;
  --clb-text-dim: #94a3b8;
  --clb-radius: 12px;
  --clb-font-display: 'Syne', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --clb-font-mono: 'IBM Plex Mono', monospace, Consolas, Monaco, monospace;
}

/* ==========================================================================
   1. Lightbox Root Overlay
   ========================================================================== */

.comic-lightbox-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  background: var(--clb-bg);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  z-index: 999999;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.32s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.32s;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--clb-text);
  overflow: hidden;
  outline: none;
}

.comic-lightbox-overlay.clb-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Ambient Edge Vignette & Cyber Grid */
.comic-lightbox-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 50%, transparent 60%, rgba(0, 0, 0, 0.85) 100%),
    linear-gradient(rgba(0, 240, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 48px 48px, 48px 48px;
  pointer-events: none;
  z-index: 1;
}

/* ==========================================================================
   2. Top Header HUD Bar
   ========================================================================== */

.clb-header {
  position: relative;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(12px + env(safe-area-inset-top, 0px)) 20px 12px;
  background: linear-gradient(180deg, rgba(5, 7, 16, 0.95) 0%, rgba(5, 7, 16, 0.6) 80%, transparent 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  gap: 16px;
  flex-shrink: 0;
}

.clb-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.clb-logo-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(251, 191, 36, 0.12);
  border: 1px solid var(--clb-border-gold);
  color: var(--clb-gold);
  font-family: var(--clb-font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 6px;
  text-transform: uppercase;
  white-space: nowrap;
  box-shadow: 0 0 12px rgba(251, 191, 36, 0.15);
}

.clb-title-wrap {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.clb-page-title {
  font-family: var(--clb-font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.01em;
}

.clb-meta-line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--clb-font-mono);
  font-size: 0.72rem;
  color: var(--clb-text-dim);
}

.clb-meta-res {
  color: var(--clb-cyan);
  font-weight: 600;
}

.clb-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* Header & Toolbar Buttons */
.clb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--clb-surface);
  border: 1px solid var(--clb-border);
  color: var(--clb-text);
  padding: 7px 12px;
  border-radius: 8px;
  font-family: var(--clb-font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.clb-btn:hover {
  background: var(--clb-surface-hover);
  border-color: var(--clb-cyan);
  color: var(--clb-cyan);
  transform: translateY(-1px);
  box-shadow: 0 0 16px var(--clb-cyan-glow);
}

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

.clb-btn.clb-active {
  background: rgba(0, 240, 255, 0.18);
  border-color: var(--clb-cyan);
  color: var(--clb-cyan);
  box-shadow: 0 0 14px var(--clb-cyan-glow);
}

.clb-btn-gold {
  border-color: var(--clb-border-gold);
  color: var(--clb-gold);
}

.clb-btn-gold:hover,
.clb-btn-gold.clb-active {
  border-color: var(--clb-gold);
  color: var(--clb-gold);
  box-shadow: 0 0 16px var(--clb-gold-glow);
  background: rgba(251, 191, 36, 0.18);
}

.clb-btn-icon {
  padding: 8px;
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.clb-btn-close {
  background: rgba(255, 0, 122, 0.12);
  border-color: rgba(255, 0, 122, 0.35);
  color: #ff3388;
  font-size: 1.1rem;
}

.clb-btn-close:hover {
  background: rgba(255, 0, 122, 0.25);
  border-color: #ff007a;
  color: #ffffff;
  box-shadow: 0 0 16px rgba(255, 0, 122, 0.45);
}

/* ==========================================================================
   3. Main Viewport & Stage
   ========================================================================== */

.clb-viewport {
  position: relative;
  flex: 1;
  width: 100%;
  height: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  z-index: 10;
}

.clb-viewport.clb-panning {
  cursor: grabbing;
}

.clb-viewport.clb-mode-magnify {
  cursor: crosshair;
}

.clb-stage {
  position: absolute;
  transform-origin: 0 0;
  will-change: transform;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
}

.clb-img {
  max-width: none;
  max-height: none;
  display: block;
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
  filter: drop-shadow(0 15px 45px rgba(0, 0, 0, 0.85));
  transition: filter 0.25s ease;
  image-rendering: auto;
  border-radius: 4px;
}

/* Image Contrast Boost & B&W Modes */
.clb-filter-contrast .clb-img {
  filter: contrast(135%) brightness(105%) drop-shadow(0 15px 45px rgba(0, 0, 0, 0.9));
}

.clb-filter-ink .clb-img {
  filter: grayscale(100%) contrast(150%) brightness(108%) drop-shadow(0 15px 45px rgba(0, 0, 0, 0.9));
}

.clb-filter-sharp .clb-img {
  filter: contrast(120%) saturate(115%) drop-shadow(0 15px 45px rgba(0, 0, 0, 0.9));
}

/* Loading Spinner & Shimmer */
.clb-loader {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: var(--clb-bg);
  z-index: 25;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.clb-loader.clb-loading {
  opacity: 1;
  pointer-events: auto;
}

.clb-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(0, 240, 255, 0.15);
  border-top-color: var(--clb-cyan);
  border-right-color: var(--clb-gold);
  border-radius: 50%;
  animation: clb-spin 0.8s linear infinite;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

@keyframes clb-spin {
  to { transform: rotate(360deg); }
}

.clb-loader-text {
  font-family: var(--clb-font-mono);
  font-size: 0.8rem;
  color: var(--clb-cyan);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ==========================================================================
   4. Side Navigation Chevrons
   ========================================================================== */

.clb-nav-prev,
.clb-nav-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 25;
  width: 52px;
  height: 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: rgba(11, 16, 32, 0.75);
  border: 1px solid var(--clb-border);
  color: var(--clb-text);
  cursor: pointer;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
}

.clb-nav-prev {
  left: 16px;
  border-radius: 12px 6px 6px 12px;
}

.clb-nav-next {
  right: 16px;
  border-radius: 6px 12px 12px 6px;
}

.clb-nav-prev:hover,
.clb-nav-next:hover {
  background: rgba(20, 29, 56, 0.95);
  border-color: var(--clb-cyan);
  color: var(--clb-cyan);
  box-shadow: 0 0 24px var(--clb-cyan-glow);
  width: 58px;
}

.clb-nav-prev:disabled,
.clb-nav-next:disabled {
  opacity: 0.2;
  cursor: not-allowed;
  pointer-events: none;
  border-color: transparent;
}

.clb-nav-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.clb-nav-label {
  font-family: var(--clb-font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clb-text-dim);
}

/* ==========================================================================
   5. Interactive Dialogue Magnifier Loupe Lens
   ========================================================================== */

.clb-loupe {
  position: absolute;
  top: 0;
  left: 0;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 2px solid var(--clb-cyan);
  box-shadow:
    0 0 0 4px rgba(0, 240, 255, 0.2),
    0 20px 50px rgba(0, 0, 0, 0.85),
    inset 0 0 35px rgba(0, 240, 255, 0.25);
  overflow: hidden;
  pointer-events: none;
  z-index: 40;
  display: none;
  transform: translate(-50%, -50%);
  background-repeat: no-repeat;
  background-color: #030408;
  backdrop-filter: contrast(130%) brightness(110%);
}

.clb-loupe.clb-loupe-visible {
  display: block;
}

.clb-loupe-reticle {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Reticle Crosshairs */
.clb-loupe-reticle::before,
.clb-loupe-reticle::after {
  content: '';
  position: absolute;
  background: rgba(0, 240, 255, 0.45);
}

.clb-loupe-reticle::before {
  width: 20px;
  height: 1px;
}

.clb-loupe-reticle::after {
  width: 1px;
  height: 20px;
}

.clb-loupe-hud-tag {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(5, 7, 16, 0.88);
  border: 1px solid var(--clb-cyan);
  color: var(--clb-cyan);
  font-family: var(--clb-font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  letter-spacing: 0.06em;
  white-space: nowrap;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
}

/* ==========================================================================
   6. Minimap Radar Viewfinder
   ========================================================================== */

.clb-minimap {
  position: absolute;
  bottom: 84px;
  right: 20px;
  width: 140px;
  height: 180px;
  background: rgba(5, 8, 18, 0.9);
  border: 1px solid var(--clb-border);
  border-radius: 8px;
  overflow: hidden;
  z-index: 25;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s ease, transform 0.3s ease;
  backdrop-filter: blur(12px);
}

.clb-minimap.clb-minimap-hidden {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.9) translateY(10px);
}

.clb-minimap-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0.65;
  pointer-events: none;
}

.clb-minimap-viewport {
  position: absolute;
  border: 2px solid var(--clb-gold);
  background: rgba(251, 191, 36, 0.2);
  box-shadow: 0 0 8px var(--clb-gold-glow);
  pointer-events: none;
  transition: top 0.05s ease-out, left 0.05s ease-out, width 0.05s ease-out, height 0.05s ease-out;
}

.clb-minimap-label {
  position: absolute;
  top: 4px;
  left: 6px;
  font-family: var(--clb-font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--clb-gold);
  letter-spacing: 0.08em;
  text-shadow: 0 0 6px rgba(0,0,0,0.9);
}

/* ==========================================================================
   7. Dialogue Script & Caption Drawer
   ========================================================================== */

.clb-dialogue-card {
  position: absolute;
  bottom: 84px;
  left: 20px;
  max-width: 440px;
  background: rgba(11, 16, 32, 0.92);
  border: 1px solid var(--clb-border);
  border-left: 3px solid var(--clb-gold);
  border-radius: var(--clb-radius);
  padding: 14px 18px;
  z-index: 25;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.75);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.clb-dialogue-card.clb-dialogue-collapsed {
  max-width: 210px;
  padding: 8px 12px;
}

.clb-dialogue-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.clb-dialogue-tag {
  font-family: var(--clb-font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--clb-gold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.clb-dialogue-text {
  font-size: 0.88rem;
  line-height: 1.45;
  color: #e2e8f0;
  margin: 0;
  font-style: italic;
  max-height: 120px;
  overflow-y: auto;
}

.clb-dialogue-collapsed .clb-dialogue-text {
  display: none;
}

.clb-dialogue-toggle {
  background: transparent;
  border: none;
  color: var(--clb-cyan);
  font-size: 0.75rem;
  cursor: pointer;
  padding: 2px 4px;
}

/* ==========================================================================
   8. Bottom Floating Toolbar HUD
   ========================================================================== */

.clb-toolbar-wrap {
  position: relative;
  z-index: 30;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 8px 20px calc(14px + env(safe-area-inset-bottom, 0px));
  background: linear-gradient(0deg, rgba(5, 7, 16, 0.96) 0%, rgba(5, 7, 16, 0.75) 80%, transparent 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  flex-shrink: 0;
}

.clb-toolbar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  background: rgba(11, 16, 32, 0.85);
  border: 1px solid var(--clb-border);
  padding: 6px 12px;
  border-radius: 30px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.65);
}

.clb-zoom-readout {
  font-family: var(--clb-font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--clb-cyan);
  min-width: 52px;
  text-align: center;
  padding: 2px 6px;
  background: rgba(0, 240, 255, 0.1);
  border-radius: 6px;
  border: 1px solid rgba(0, 240, 255, 0.2);
}

.clb-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100px;
  height: 5px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 5px;
  outline: none;
}

.clb-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--clb-cyan);
  cursor: pointer;
  box-shadow: 0 0 8px var(--clb-cyan-glow);
  border: 2px solid #ffffff;
}

.clb-slider::-moz-range-thumb {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--clb-cyan);
  cursor: pointer;
  box-shadow: 0 0 8px var(--clb-cyan-glow);
  border: 2px solid #ffffff;
}

.clb-divider {
  width: 1px;
  height: 20px;
  background: rgba(255, 255, 255, 0.12);
  margin: 0 2px;
}

/* Thumbnail Scrubber Rail */
.clb-thumbnail-rail {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  max-width: 100%;
  padding: 4px 6px;
  scrollbar-width: thin;
  scrollbar-color: var(--clb-cyan) transparent;
}

.clb-thumbnail-rail::-webkit-scrollbar {
  height: 4px;
}

.clb-thumbnail-rail::-webkit-scrollbar-thumb {
  background: var(--clb-cyan);
  border-radius: 4px;
}

.clb-thumb-item {
  position: relative;
  flex: 0 0 auto;
  width: 50px;
  height: 72px;
  border-radius: 6px;
  overflow: hidden;
  border: 2px solid transparent;
  background: rgba(0, 0, 0, 0.5);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  opacity: 0.6;
}

.clb-thumb-item:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  border-color: rgba(0, 240, 255, 0.4);
}

.clb-thumb-item.clb-thumb-active {
  opacity: 1;
  border-color: var(--clb-gold);
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 0 16px var(--clb-gold-glow);
}

.clb-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.clb-thumb-badge {
  position: absolute;
  bottom: 2px;
  right: 2px;
  background: rgba(0, 0, 0, 0.85);
  color: var(--clb-gold);
  font-family: var(--clb-font-mono);
  font-size: 0.55rem;
  font-weight: 700;
  padding: 1px 3px;
  border-radius: 3px;
}

/* ==========================================================================
   9. Keyboard Shortcuts & Help Modal
   ========================================================================== */

.clb-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  padding: 20px;
}

.clb-modal-backdrop.clb-modal-open {
  opacity: 1;
  pointer-events: auto;
}

.clb-modal-box {
  background: var(--clb-surface-solid);
  border: 1px solid var(--clb-border);
  border-top: 3px solid var(--clb-cyan);
  border-radius: 16px;
  width: 100%;
  max-width: 520px;
  padding: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.9), 0 0 30px var(--clb-cyan-glow);
  transform: translateY(15px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.clb-modal-open .clb-modal-box {
  transform: translateY(0);
}

.clb-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.clb-modal-title {
  font-family: var(--clb-font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0;
}

.clb-shortcuts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.clb-shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.clb-shortcut-desc {
  font-size: 0.8rem;
  color: #cbd5e1;
}

.clb-kbd-group {
  display: flex;
  gap: 4px;
}

.clb-kbd {
  display: inline-block;
  background: rgba(0, 240, 255, 0.12);
  border: 1px solid rgba(0, 240, 255, 0.3);
  color: var(--clb-cyan);
  font-family: var(--clb-font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.4);
}

/* ==========================================================================
   10. Comic Artwork Hover / Tap Inspect Badge
   ========================================================================== */

.comic-inspect-badge-wrap {
  position: relative;
  display: inline-block;
  cursor: pointer;
}

.comic-inspect-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(5, 7, 16, 0.85);
  border: 1px solid var(--clb-cyan);
  color: var(--clb-cyan);
  font-family: var(--clb-font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 20px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.6), 0 0 12px var(--clb-cyan-glow);
  opacity: 0;
  transform: translateY(-4px) scale(0.95);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
  z-index: 10;
}

.comic-page-wrapper:hover .comic-inspect-badge,
.panel-card:hover .comic-inspect-badge,
.comic-inspect-badge-wrap:hover .comic-inspect-badge {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Hint Toast Notification */
.clb-toast {
  position: absolute;
  top: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  background: rgba(11, 16, 32, 0.95);
  border: 1px solid var(--clb-cyan);
  color: #ffffff;
  font-family: var(--clb-font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 20px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.7), 0 0 16px var(--clb-cyan-glow);
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s ease;
  z-index: 60;
  white-space: nowrap;
}

.clb-toast.clb-toast-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ==========================================================================
   11. Responsive Breakpoints
   ========================================================================== */

@media (max-width: 768px) {
  .clb-header {
    padding: calc(8px + env(safe-area-inset-top, 0px)) 12px 8px;
    gap: 8px;
  }

  .clb-logo-tag {
    display: none;
  }

  .clb-page-title {
    font-size: 0.9rem;
  }

  .clb-btn-text-hide {
    display: none;
  }

  .clb-btn {
    padding: 6px 9px;
    font-size: 0.74rem;
  }

  .clb-nav-prev,
  .clb-nav-next {
    width: 40px;
    height: 70px;
  }

  .clb-nav-prev { left: 8px; }
  .clb-nav-next { right: 8px; }

  .clb-minimap {
    display: none; /* Conserve screen real estate on mobile */
  }

  .clb-dialogue-card {
    left: 12px;
    right: 12px;
    bottom: 74px;
    max-width: none;
  }

  .clb-toolbar {
    padding: 4px 8px;
    gap: 6px;
  }

  .clb-slider {
    width: 70px;
  }

  .clb-shortcuts-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .clb-thumb-item {
    width: 42px;
    height: 60px;
  }

  .clb-toolbar-wrap {
    padding: 6px 10px calc(10px + env(safe-area-inset-bottom, 0px));
  }
}