/**
 * Relievo Aviation - Boeing Technical Manuals Browser Stylesheet
 * High-Density Aeronautical Vector Theme for Mobile, Tablet & Desktop Hangar Use
 */

.bmanual-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 160px);
  min-height: 640px;
  background: var(--bg-surface, #0c1220);
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  position: relative;
}

/* =========================================================================
   1. Empty / Ingestion State
   ========================================================================= */

.bmanual-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  height: 100%;
  text-align: center;
  overflow-y: auto;
}

.bmanual-empty-card {
  max-width: 720px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 20px;
  padding: 36px 32px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.bmanual-empty-icon {
  font-size: 3.5rem;
  margin-bottom: 16px;
  display: inline-block;
  filter: drop-shadow(0 4px 12px rgba(56, 189, 248, 0.4));
}

.bmanual-empty-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  margin: 0 0 10px;
  letter-spacing: -0.5px;
}

.bmanual-empty-subtitle {
  color: #94a3b8;
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0 0 28px;
}

.bmanual-ingestion-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.bmanual-method-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 20px 16px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  color: #fff;
  text-align: center;
}

.bmanual-method-btn:hover {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.bmanual-method-icon {
  font-size: 2rem;
}

.bmanual-method-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: #38bdf8;
}

.bmanual-method-desc {
  font-size: 0.78rem;
  color: #94a3b8;
  line-height: 1.35;
}

.bmanual-method-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 10px;
  padding: 8px 18px;
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: 9999px;
  background: rgba(14, 165, 233, 0.16);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: #38bdf8;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  pointer-events: none;
}

.bmanual-method-btn:hover .bmanual-method-pill {
  background: rgba(56, 189, 248, 0.28);
  border-color: #38bdf8;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(14, 165, 233, 0.35);
}

.bmanual-method-pill.gold {
  background: rgba(245, 158, 11, 0.16);
  border-color: rgba(251, 191, 36, 0.4);
  color: #fbbf24;
}

.bmanual-method-btn:hover .bmanual-method-pill.gold {
  background: rgba(251, 191, 36, 0.28);
  border-color: #fbbf24;
  box-shadow: 0 6px 16px rgba(245, 158, 11, 0.35);
}

.bmanual-offline-resume-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 14px;
  padding: 12px 18px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: 10px;
  color: #34d399;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.bmanual-offline-resume-bar:hover {
  background: rgba(16, 185, 129, 0.2);
  transform: translateY(-1px);
}

/* =========================================================================
   2. Explorer Split Screen Layout
   ========================================================================= */

.bmanual-explorer-container {
  display: grid;
  grid-template-columns: 380px 1fr;
  height: 100%;
  overflow: hidden;
  position: relative;
}

/* Sidebar: Index & Search Navigation */
.bmanual-sidebar {
  display: flex;
  flex-direction: column;
  background: rgba(10, 15, 26, 0.95);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.bmanual-sidebar-header {
  padding: 16px 18px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(15, 23, 42, 0.7);
}

.bmanual-meta-group {
  margin-bottom: 12px;
}

.bmanual-meta-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: #fff;
  margin: 0 0 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bmanual-meta-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.bmanual-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.3px;
}

.bmanual-badge-aircraft {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.bmanual-badge-cust {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.bmanual-badge-rev {
  background: rgba(148, 163, 184, 0.15);
  color: #cbd5e1;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

/* Search Box */
.bmanual-search-box {
  position: relative;
  margin-bottom: 10px;
}

.bmanual-search-box input {
  width: 100%;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 8px;
  padding: 8px 34px 8px 32px;
  color: #fff;
  font-size: 0.85rem;
  transition: all 0.2s;
}

.bmanual-search-box input:focus {
  outline: none;
  border-color: #38bdf8;
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.18);
}

.bmanual-search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: #64748b;
  font-size: 0.85rem;
  pointer-events: none;
}

.bmanual-search-clear {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  font-size: 0.9rem;
  padding: 2px 6px;
}

/* Filter Chips */
.bmanual-filter-row {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
}

.bmanual-filter-row::-webkit-scrollbar {
  display: none;
}

.bmanual-filter-chip {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  color: #94a3b8;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 8px;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.15s;
}

.bmanual-filter-chip.active {
  background: rgba(56, 189, 248, 0.2);
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.4);
}

/* TOC & Search List Containers */
.bmanual-toc-accordion,
.bmanual-search-results-box {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
}

/* Chapter Card */
.bmanual-chapter-card {
  margin-bottom: 8px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  overflow: hidden;
}

.bmanual-chapter-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s;
}

.bmanual-chapter-header:hover {
  background: rgba(255, 255, 255, 0.04);
}

.bmanual-chapter-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
}

.bmanual-ata-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(56, 189, 248, 0.12);
  color: #38bdf8;
  padding: 2px 6px;
  border-radius: 4px;
  flex-shrink: 0;
}

.bmanual-chapter-name {
  font-size: 0.85rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bmanual-chapter-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.bmanual-sec-count {
  font-size: 0.72rem;
  color: #64748b;
}

.bmanual-chevron {
  font-size: 0.65rem;
  color: #94a3b8;
}

.bmanual-sections-list {
  flex-direction: column;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(0, 0, 0, 0.2);
}

.bmanual-sec-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px 8px 24px;
  background: none;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
  color: #cbd5e1;
  text-align: left;
  cursor: pointer;
  font-size: 0.82rem;
  transition: all 0.15s;
  width: 100%;
}

.bmanual-sec-item:hover {
  background: rgba(56, 189, 248, 0.08);
  color: #fff;
}

.bmanual-sec-item.is-active {
  background: rgba(56, 189, 248, 0.18);
  color: #38bdf8;
  font-weight: 600;
  border-left: 3px solid #38bdf8;
}

.bmanual-sec-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74rem;
  color: #94a3b8;
  flex-shrink: 0;
}

.bmanual-sec-title {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bmanual-open-cue {
  font-size: 0.72rem;
  opacity: 0;
  color: #38bdf8;
  transition: opacity 0.15s;
}

.bmanual-sec-item:hover .bmanual-open-cue {
  opacity: 1;
}

/* Search Results & Tabs */
.bmanual-search-tabs-row {
  display: flex;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 3px;
  margin-bottom: 8px;
  gap: 3px;
}

.bmanual-search-tab {
  flex: 1;
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: all 0.15s;
  white-space: nowrap;
}

.bmanual-search-tab:hover {
  color: #fff;
}

.bmanual-search-tab.is-active {
  background: rgba(56, 189, 248, 0.18);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.35);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.bmanual-stab-count {
  background: rgba(255, 255, 255, 0.1);
  padding: 1px 5px;
  border-radius: 999px;
  font-size: 0.65rem;
  font-family: 'JetBrains Mono', monospace;
}

.bmanual-search-tab.is-active .bmanual-stab-count {
  background: rgba(56, 189, 248, 0.25);
  color: #fff;
}

.bmanual-search-scanning-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 6px;
  padding: 6px 10px;
  margin-bottom: 8px;
  font-size: 0.74rem;
  color: #38bdf8;
  font-weight: 600;
}

.bmanual-btn-scan-stop {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
  font-size: 0.70rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.bmanual-btn-scan-stop:hover {
  background: rgba(239, 68, 68, 0.3);
  color: #fff;
}

.bmanual-btn-scan-more {
  width: 100%;
  padding: 10px 14px;
  margin: 10px 0 16px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px dashed rgba(56, 189, 248, 0.4);
  border-radius: 8px;
  color: #38bdf8;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.15s ease;
}

.bmanual-btn-scan-more:hover {
  background: rgba(56, 189, 248, 0.18);
  border-style: solid;
}

/* Search Results Cards */
.bmanual-search-result-card {
  padding: 12px 14px;
  margin-bottom: 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
  transition: all 0.15s;
}

.bmanual-search-result-card:hover {
  background: rgba(56, 189, 248, 0.08);
  border-color: rgba(56, 189, 248, 0.3);
  transform: translateY(-1px);
}

.bmanual-search-result-card.is-pdf-content {
  border-left: 3px solid #38bdf8;
  background: rgba(56, 189, 248, 0.03);
}

.bmanual-result-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.bmanual-result-chap {
  font-size: 0.72rem;
  color: #94a3b8;
}

.bmanual-page-pill {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.35);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
}

.bmanual-result-title {
  margin: 0 0 6px;
  font-size: 0.86rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.35;
}

.bmanual-result-snippet {
  font-size: 0.74rem;
  color: #cbd5e1;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  padding: 6px 8px;
  margin: 6px 0;
  line-height: 1.45;
  font-family: 'JetBrains Mono', monospace;
  word-break: break-word;
}

.bmanual-search-highlight {
  background: rgba(56, 189, 248, 0.35);
  color: #ffffff;
  padding: 1px 4px;
  border-radius: 3px;
  font-weight: 700;
  border-bottom: 1px solid #38bdf8;
}

.bmanual-result-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}

.bmanual-result-file {
  font-size: 0.72rem;
  color: #64748b;
  font-family: 'JetBrains Mono', monospace;
}

.bmanual-btn-result-open {
  background: none;
  border: none;
  color: #38bdf8;
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
}

/* Sidebar Footer */
.bmanual-sidebar-footer {
  padding: 10px 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(10, 15, 26, 0.95);
  display: flex;
  gap: 8px;
}

.bmanual-btn-footer {
  flex: 1;
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.15s;
}

.bmanual-btn-offline {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34d399;
}

.bmanual-btn-offline:hover {
  background: rgba(16, 185, 129, 0.25);
}

.bmanual-btn-close {
  background: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: #fb7185;
}

.bmanual-btn-close:hover {
  background: rgba(244, 63, 94, 0.22);
}

/* =========================================================================
   3. Document Viewer Pane (Canvas Vector Engine)
   ========================================================================= */

.bmanual-viewer-pane {
  display: flex;
  flex-direction: column;
  background: #0f172a;
  overflow: hidden;
  position: relative;
}

/* Mobile & Tablet Mode Bar */
.bmanual-mobile-mode-bar {
  display: none;
  background: rgba(10, 15, 26, 0.98);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 8px 12px;
  gap: 8px;
  z-index: 25;
}

.bmanual-mode-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: #94a3b8;
  font-size: 0.86rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  min-height: 42px;
  position: relative;
}

.bmanual-mode-btn.is-active {
  background: #0284c7;
  color: #fff;
  border-color: #38bdf8;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
}

.bmanual-mode-dot {
  width: 8px;
  height: 8px;
  background: #34d399;
  border-radius: 50%;
  box-shadow: 0 0 6px #34d399;
  display: inline-block;
}

/* Viewer Controls Toolbar */
.bmanual-viewer-toolbar {
  display: flex;
  flex-direction: column;
  padding: 8px 12px;
  background: rgba(15, 23, 42, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  gap: 8px;
}

.bmanual-viewer-top-row {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.bmanual-viewer-doc-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1;
}

.bmanual-viewer-doc-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bmanual-viewer-doc-file {
  font-size: 0.72rem;
  color: #64748b;
  font-family: 'JetBrains Mono', monospace;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bmanual-viewer-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
  width: 100%;
}

.bmanual-btn-group {
  display: flex;
  align-items: center;
  gap: 4px;
}

.bmanual-btn-ctrl {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #cbd5e1;
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 0.8rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s;
  min-height: 32px;
}

.bmanual-btn-ctrl:hover:not(:disabled) {
  background: rgba(56, 189, 248, 0.18);
  border-color: rgba(56, 189, 248, 0.4);
  color: #fff;
}

.bmanual-btn-ctrl:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.bmanual-page-box {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  color: #94a3b8;
}

.bmanual-page-input {
  width: 44px;
  background: rgba(10, 15, 26, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  color: #fff;
  text-align: center;
  padding: 3px 4px;
  font-size: 0.8rem;
  font-family: 'JetBrains Mono', monospace;
}

.bmanual-zoom-indicator {
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  color: #94a3b8;
  min-width: 38px;
  text-align: center;
}

/* Canvas Viewport - Touch Pan & Pinch Optimized (Continuous Multi-Page Scroll) */
.bmanual-canvas-viewport {
  flex: 1;
  overflow: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 18px 12px;
  background: radial-gradient(circle at 50% 15%, #151d30 0%, #070a12 100%);
  position: relative;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x pan-y;
  user-select: none;
  -webkit-user-select: none;
}

/* Continuous Scroll Pages Track */
.bmanual-pages-scroll-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  width: 100%;
  transform-origin: 0 0;
  will-change: transform;
}

.bmanual-page-container,
.bmanual-pdf-page-wrapper {
  position: relative;
  margin: 0 auto;
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.1);
  background: #ffffff;
  border-radius: 6px;
  overflow: visible;
  line-height: 1;
  text-align: left;
  user-select: text;
  -webkit-user-select: text;
  transform-origin: center center;
  will-change: transform;
}

#bmanual-pdf-canvas,
.bmanual-pdf-page-canvas {
  display: block;
  background: #ffffff;
  border-radius: 6px;
  max-width: none;
}

/* Floating Mobile Quick Page HUD */
.bmanual-floating-page-pill {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 40;
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid rgba(56, 189, 248, 0.4);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: #fff;
  border-radius: 9999px;
  padding: 6px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7), 0 0 15px rgba(56, 189, 248, 0.2);
  font-size: 0.82rem;
  font-weight: 700;
  pointer-events: auto;
  animation: fadeInPill 0.2s ease-out;
}

@keyframes fadeInPill {
  from { opacity: 0; transform: translate(-50%, 10px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

.bmanual-floating-page-pill button {
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #38bdf8;
  font-size: 0.85rem;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  touch-action: manipulation;
}

.bmanual-floating-page-pill button:active {
  background: rgba(56, 189, 248, 0.3);
}

/* Virtualized List Load More Button */
.bmanual-btn-load-more {
  width: 100%;
  padding: 12px 16px;
  margin-top: 10px;
  font-size: 0.84rem;
  font-weight: 700;
  color: #38bdf8;
  background: rgba(15, 23, 42, 0.8);
  border: 1px dashed rgba(56, 189, 248, 0.4);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.bmanual-btn-load-more:hover {
  background: rgba(56, 189, 248, 0.15);
  border-color: #38bdf8;
}

/* Vector Text Layer (Allows selecting part numbers, ATA codes, copying text) */
.bmanual-text-layer {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  opacity: 0.85;
  line-height: 1;
  pointer-events: auto;
  user-select: text;
  -webkit-user-select: text;
}

.bmanual-text-layer ::selection {
  background: rgba(56, 189, 248, 0.45);
  color: transparent;
}

.bmanual-text-layer span {
  color: transparent;
  position: absolute;
  white-space: pre;
  cursor: text;
  transform-origin: 0% 0%;
}

.bmanual-text-layer span.bmanual-hit {
  background: rgba(250, 204, 21, 0.55);
  border-radius: 2px;
  box-shadow: 0 0 0 1px #eab308;
}

.bmanual-text-layer span.bmanual-hit-active {
  background: rgba(56, 189, 248, 0.7);
  box-shadow: 0 0 0 2px #0284c7;
}

/* Hyperlinks Layer (Clickable cross-references to other AMM/IPC sections) */
.bmanual-annotation-layer {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.bmanual-annotation-layer .bmanual-pdf-link {
  position: absolute;
  cursor: pointer;
  pointer-events: auto;
  border-bottom: 1.5px dashed rgba(56, 189, 248, 0.75);
  background: rgba(56, 189, 248, 0.08);
  transition: all 0.15s ease;
  border-radius: 2px;
}

.bmanual-annotation-layer .bmanual-pdf-link:hover {
  background: rgba(56, 189, 248, 0.28);
  border-color: #38bdf8;
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.4);
}

.bmanual-viewer-spinner {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  color: #38bdf8;
  z-index: 10;
}

/* Floating Mobile Toggle Button */
.bmanual-mobile-toggle-btn {
  display: none;
  position: absolute;
  bottom: 16px;
  right: 16px;
  z-index: 20;
  background: #0284c7;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 30px;
  padding: 10px 18px;
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  cursor: pointer;
  align-items: center;
  gap: 6px;
}

/* Back to Index button for mobile */
.bmanual-btn-back-index {
  display: none;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: #38bdf8;
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  align-items: center;
  gap: 4px;
}

/* =========================================================================
   4. Security & Privacy Guarantee Banner (Addressing Browser Upload Prompt)
   ========================================================================= */

.bmanual-privacy-guarantee {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.12), rgba(6, 78, 59, 0.25));
  border: 1px solid rgba(16, 185, 129, 0.4);
  border-radius: 12px;
  padding: 14px 18px;
  margin-bottom: 22px;
  text-align: left;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.bmanual-privacy-icon {
  font-size: 1.7rem;
  line-height: 1;
  filter: drop-shadow(0 2px 8px rgba(16, 185, 129, 0.5));
  flex-shrink: 0;
  margin-top: 2px;
}

.bmanual-privacy-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bmanual-privacy-body strong {
  font-size: 0.88rem;
  color: #34d399;
  letter-spacing: 0.2px;
}

.bmanual-privacy-body span {
  font-size: 0.8rem;
  color: #cbd5e1;
  line-height: 1.45;
}

.bmanual-privacy-body em {
  font-style: normal;
  color: #fef08a;
  font-weight: 600;
}

/* =========================================================================
   5. Publication Suite Switcher (AIPC vs AMM vs SDS vs Tasks)
   ========================================================================= */

.bmanual-pub-suite-wrapper {
  background: rgba(15, 23, 42, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.bmanual-pub-suite-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.bmanual-pub-suite-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.bmanual-pub-suite-count {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  padding: 1px 6px;
  border-radius: 10px;
  font-size: 0.68rem;
  font-weight: 700;
}

.bmanual-pub-pills-row {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: thin;
}

.bmanual-pub-pills-row::-webkit-scrollbar {
  height: 4px;
}

.bmanual-pub-pills-row::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}

.bmanual-pub-pill {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #cbd5e1;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
}

.bmanual-pub-pill:hover {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.4);
  color: #fff;
}

.bmanual-pub-pill.is-active {
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.3), rgba(14, 165, 233, 0.15));
  border-color: #38bdf8;
  color: #38bdf8;
  font-weight: 700;
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.2);
}

.bmanual-pub-pill-count {
  font-size: 0.7rem;
  background: rgba(0, 0, 0, 0.3);
  padding: 1px 5px;
  border-radius: 4px;
  color: #94a3b8;
  font-family: 'JetBrains Mono', monospace;
}

.bmanual-pub-pill.is-active .bmanual-pub-pill-count {
  background: rgba(56, 189, 248, 0.25);
  color: #fff;
}

/* =========================================================================
   6. Navigation Tabs ([ Chapter TOC ] vs [ All Individual Files ])
   ========================================================================= */

.bmanual-nav-tabs {
  display: flex;
  background: rgba(10, 15, 26, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 4px 8px 0;
  gap: 4px;
}

.bmanual-nav-tab {
  flex: 1;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: #94a3b8;
  padding: 8px 10px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.15s;
}

.bmanual-nav-tab:hover {
  color: #cbd5e1;
}

.bmanual-nav-tab.is-active {
  color: #38bdf8;
  border-bottom-color: #38bdf8;
  font-weight: 700;
}

.bmanual-nav-tab-badge {
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.68rem;
  padding: 1px 6px;
  border-radius: 10px;
  font-family: 'JetBrains Mono', monospace;
}

.bmanual-nav-tab.is-active .bmanual-nav-tab-badge {
  background: rgba(56, 189, 248, 0.2);
  color: #38bdf8;
}

/* All Individual Files Pane */
.bmanual-all-files-box {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
  display: none;
}

.bmanual-files-filter-bar {
  margin-bottom: 10px;
}

.bmanual-files-filter-input {
  width: 100%;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 6px 10px;
  color: #fff;
  font-size: 0.8rem;
}

.bmanual-files-filter-input:focus {
  outline: none;
  border-color: #38bdf8;
}

.bmanual-file-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  margin-bottom: 6px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
}

.bmanual-file-card:hover {
  background: rgba(56, 189, 248, 0.08);
  border-color: rgba(56, 189, 248, 0.3);
}

.bmanual-file-card.is-active {
  background: rgba(56, 189, 248, 0.15);
  border-color: #38bdf8;
  border-left: 3px solid #38bdf8;
}

.bmanual-file-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 2px;
  flex: 1;
}

.bmanual-file-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bmanual-file-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bmanual-file-subtext {
  font-size: 0.7rem;
  color: #64748b;
  font-family: 'JetBrains Mono', monospace;
}

.bmanual-file-action {
  font-size: 0.75rem;
  font-weight: 700;
  color: #38bdf8;
  flex-shrink: 0;
  padding-left: 8px;
}

/* =========================================================================
   7. In-Document Deep Text Scanner ("Scan inside PDF")
   ========================================================================= */

.bmanual-indoc-scan-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(8, 12, 22, 0.98);
  border-bottom: 1px solid rgba(56, 189, 248, 0.2);
  flex-wrap: wrap;
}

.bmanual-indoc-input-wrap {
  position: relative;
  flex: 1;
  min-width: 180px;
}

.bmanual-indoc-input {
  width: 100%;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 6px;
  padding: 5px 28px 5px 26px;
  color: #fff;
  font-size: 0.8rem;
  font-family: inherit;
  transition: all 0.2s;
}

.bmanual-indoc-input:focus {
  outline: none;
  border-color: #38bdf8;
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.25);
}

.bmanual-indoc-icon {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: #38bdf8;
  font-size: 0.75rem;
  pointer-events: none;
}

.bmanual-indoc-clear {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 0.75rem;
  cursor: pointer;
  padding: 2px 4px;
}

.bmanual-btn-indoc-scan {
  background: #0284c7;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  border-radius: 6px;
  padding: 5px 12px;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: background 0.15s;
}

.bmanual-btn-indoc-scan:hover:not(:disabled) {
  background: #0369a1;
}

.bmanual-btn-indoc-scan:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.bmanual-indoc-results-badge {
  font-size: 0.75rem;
  color: #94a3b8;
  font-weight: 600;
  white-space: nowrap;
}

.bmanual-indoc-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.bmanual-btn-indoc-nav {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #cbd5e1;
  border-radius: 4px;
  padding: 3px 7px;
  font-size: 0.75rem;
  cursor: pointer;
}

.bmanual-btn-indoc-nav:hover:not(:disabled) {
  background: rgba(56, 189, 248, 0.2);
  color: #fff;
}

.bmanual-btn-indoc-nav:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* Collapsed Sidebar on Desktop/Tablet */
.bmanual-explorer-container.sidebar-collapsed {
  grid-template-columns: 0px 1fr !important;
}

.bmanual-explorer-container.sidebar-collapsed .bmanual-sidebar {
  display: none !important;
}

.bmanual-indoc-scan-bar.is-hidden {
  display: none !important;
}

/* =========================================================================
   8. Mobile & Tablet Responsive Rules (iPhone, iPad & Android)
   ========================================================================= */

@media (max-width: 960px) {
  .bmanual-container {
    height: calc(100vh - 110px);
    height: calc(100dvh - 110px);
    border-radius: 8px;
    min-height: 0;
  }

  .bmanual-explorer-container {
    display: flex !important;
    flex-direction: column !important;
    grid-template-columns: none !important;
  }

  .bmanual-mobile-mode-bar {
    display: flex;
  }

  .bmanual-btn-toggle-sidebar {
    display: none !important;
  }

  /* When index mode is active */
  .bmanual-explorer-container.mobile-show-index .bmanual-sidebar {
    display: flex;
    flex: 1;
    height: 100%;
    border-right: none;
  }

  .bmanual-explorer-container.mobile-show-index .bmanual-viewer-pane {
    display: none !important;
  }

  /* When viewer mode is active */
  .bmanual-explorer-container.mobile-show-viewer .bmanual-sidebar {
    display: none !important;
  }

  .bmanual-explorer-container.mobile-show-viewer .bmanual-viewer-pane {
    display: flex;
    flex: 1;
    height: 100%;
  }

  .bmanual-btn-back-index {
    display: inline-flex;
  }

  .bmanual-canvas-viewport {
    padding: 8px;
  }

  .bmanual-viewer-toolbar {
    padding: 8px 10px;
    gap: 6px;
  }

  .bmanual-viewer-actions {
    justify-content: flex-start;
    gap: 6px;
  }

  .bmanual-btn-ctrl {
    padding: 5px 8px;
    font-size: 0.76rem;
  }

  .bmanual-indoc-scan-bar {
    padding: 6px 10px;
  }

  .bmanual-pub-pills-row {
    gap: 4px;
  }

  .bmanual-empty-card {
    padding: 24px 16px;
    border-radius: 14px;
    margin: 10px;
  }

  .bmanual-empty-title {
    font-size: 1.3rem;
  }

  .bmanual-empty-subtitle {
    font-size: 0.85rem;
    margin-bottom: 20px;
  }

  .bmanual-ingestion-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .bmanual-method-btn {
    padding: 16px 14px;
    flex-direction: row;
    text-align: left;
    align-items: center;
    gap: 14px;
  }

  .bmanual-method-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
  }

  .bmanual-privacy-guarantee {
    padding: 10px 12px;
  }
}

@media (max-width: 480px) {
  .bmanual-container {
    height: calc(100vh - 90px);
    height: calc(100dvh - 90px);
  }

  .bmanual-viewer-top-row {
    flex-wrap: wrap;
    gap: 6px;
  }

  .bmanual-viewer-doc-info {
    order: 3;
    width: 100%;
    margin-top: 2px;
  }

  .bmanual-viewer-actions {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 4px;
  }

  .bmanual-btn-group {
    justify-content: flex-start;
    width: auto;
    gap: 3px;
  }

  .bmanual-btn-ctrl {
    padding: 4px 6px;
    font-size: 0.72rem;
    min-height: 28px;
  }

  .bmanual-page-box {
    flex: initial;
    justify-content: center;
    font-size: 0.72rem;
  }

  .bmanual-zoom-indicator {
    flex: initial;
    text-align: center;
    font-size: 0.7rem;
    min-width: 32px;
  }
}