/* ==========================================================================
   PDF Monster - UI System v2.0
   Globales Design-System für alle Tool-Seiten
   ========================================================================== */

/* ============================================
   1. ERWEITERTE DESIGN TOKENS
   ============================================ */
:root {
  /* Sidebar Config */
  --sidebar-width: 380px;
  --sidebar-width-lg: 420px;
  --sidebar-top-offset: 80px;

  /* Fixed Typography Scale (nicht fluid für Kontrolle) */
  --fs-xs: 0.75rem;      /* 12px */
  --fs-sm: 0.875rem;     /* 14px */
  --fs-base: 1rem;       /* 16px */
  --fs-md: 1.125rem;     /* 18px */
  --fs-lg: 1.25rem;      /* 20px */
  --fs-xl: 1.5rem;       /* 24px */
  --fs-2xl: 1.875rem;    /* 30px */
  --fs-3xl: 2.25rem;     /* 36px */

  /* Line Heights */
  --lh-tight: 1.2;
  --lh-base: 1.5;
  --lh-relaxed: 1.65;

  /* Component Sizes */
  --input-height: 44px;
  --input-height-sm: 36px;
  --input-height-lg: 52px;
  --btn-height: 44px;
  --btn-height-sm: 36px;
  --btn-height-lg: 52px;
  --thumb-size: 140px;
  --thumb-size-sm: 100px;
  --thumb-size-lg: 180px;

  /* Card Styles */
  --card-bg: var(--bg-primary);
  --card-bg-hover: var(--bg-secondary);
  --card-border: var(--border-color);
  --card-radius: var(--radius-xl);
  --card-shadow: var(--shadow-sm);
  --card-shadow-hover: var(--shadow-md);

  /* Panel Styles */
  --panel-bg: var(--bg-secondary);
  --panel-radius: var(--radius-xl);
  --panel-padding: var(--space-6);
}

/* ============================================
   2. TYPOGRAPHY UTILITIES
   ============================================ */

/* Text Overflow Handling */
.text-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.text-clamp-1 {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.text-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.text-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Word Breaking */
.text-break {
  word-break: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

/* Font Sizes */
.fs-xs { font-size: var(--fs-xs); }
.fs-sm { font-size: var(--fs-sm); }
.fs-base { font-size: var(--fs-base); }
.fs-md { font-size: var(--fs-md); }
.fs-lg { font-size: var(--fs-lg); }
.fs-xl { font-size: var(--fs-xl); }
.fs-2xl { font-size: var(--fs-2xl); }

/* ============================================
   3. LAYOUT SHELL (2-Spalten)
   ============================================ */

/* Tool Workspace Container */
.tool-workspace {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-6);
}

/* Main Tool Layout Container */
.tool-layout {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: var(--space-8);
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  align-items: start;
}

@media (min-width: 1400px) {
  .tool-layout {
    grid-template-columns: 1fr var(--sidebar-width-lg);
  }
}

/* Main Content Area */
.tool-main {
  min-width: 0; /* Prevent grid blowout */
}

/* ============================================
   4. RIGHT SIDEBAR
   ============================================ */

.tool-sidebar {
  position: relative;
}

.sidebar-sticky {
  position: sticky;
  top: var(--sidebar-top-offset);
  max-height: calc(100vh - var(--sidebar-top-offset) - var(--space-8));

  /* Flex-Layout: Sections scrollen, Actions bleiben fixiert unten */
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Scrollbarer Bereich: Alle Sections VOR sidebar-actions */
.sidebar-sticky-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;

  /* Custom Scrollbar */
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

.sidebar-sticky-scroll::-webkit-scrollbar {
  width: 6px;
}

.sidebar-sticky-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar-sticky-scroll::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

.sidebar-sticky-scroll::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* Fallback: Wenn kein .sidebar-sticky-scroll Wrapper existiert, scrollt sidebar-sticky selbst */
.sidebar-sticky:not(:has(.sidebar-sticky-scroll)) {
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

.sidebar-sticky:not(:has(.sidebar-sticky-scroll))::-webkit-scrollbar {
  width: 6px;
}

.sidebar-sticky:not(:has(.sidebar-sticky-scroll))::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar-sticky:not(:has(.sidebar-sticky-scroll))::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

/* Sidebar Sections */
.sidebar-section {
  background: var(--panel-bg);
  border-radius: var(--panel-radius);
  padding: var(--panel-padding);
  margin-bottom: var(--space-4);
}

.sidebar-section:last-child {
  margin-bottom: 0;
}

.sidebar-section-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-color);
}

.sidebar-section-title svg {
  width: 16px;
  height: 16px;
  opacity: 0.7;
}

/* Sidebar Footer Actions — Fixiert am unteren Rand, scrollt NICHT mit */
.sidebar-actions {
  flex-shrink: 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-color);
  margin-top: auto;
  background: var(--panel-bg, #fff);
}

/* ============================================
   5. PREVIEW PANEL (Links)
   ============================================ */

.preview-panel {
  background: var(--panel-bg);
  border-radius: var(--panel-radius);
  padding: var(--panel-padding);
  min-height: 400px;
}

.preview-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-color);
}

.preview-panel-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin: 0;
}

.preview-panel-title svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
}

.preview-panel-hint {
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
}

/* ============================================
   6. THUMBNAIL GRID
   ============================================ */

.thumb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--thumb-size), 1fr));
  gap: var(--space-4);
}

/* Thumbnail Card */
.thumb-card {
  position: relative;
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.thumb-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--card-shadow-hover);
}

.thumb-card.selected {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* Thumbnail Image Container */
.thumb-image {
  aspect-ratio: 210 / 297; /* A4 ratio */
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.thumb-image img,
.thumb-image canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Thumbnail Info */
.thumb-info {
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--card-border);
  background: var(--bg-secondary);
}

.thumb-name {
  font-size: var(--fs-xs);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.thumb-meta {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* Thumbnail Page Number Badge */
.thumb-page-num {
  position: absolute;
  bottom: var(--space-2);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.75);
  color: white;
  font-size: var(--fs-xs);
  font-weight: var(--font-semibold);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
}

/* Thumbnail Group Badge */
.thumb-group-badge {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: var(--font-bold);
  color: white;
}

/* Thumbnail Delete Button */
.thumb-delete {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 24px;
  height: 24px;
  background: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
  box-shadow: var(--shadow-sm);
  color: var(--text-secondary);
}

.thumb-card:hover .thumb-delete {
  opacity: 1;
}

.thumb-delete:hover {
  background: var(--color-error);
  color: white;
}

/* Group Colors */
.thumb-card.group-1 { border-color: #22c55e; }
.thumb-card.group-2 { border-color: #3b82f6; }
.thumb-card.group-3 { border-color: #f59e0b; }
.thumb-card.group-4 { border-color: #ec4899; }
.thumb-card.group-5 { border-color: #8b5cf6; }
.thumb-card.group-6 { border-color: #14b8a6; }

.group-1 .thumb-group-badge { background: #22c55e; }
.group-2 .thumb-group-badge { background: #3b82f6; }
.group-3 .thumb-group-badge { background: #f59e0b; }
.group-4 .thumb-group-badge { background: #ec4899; }
.group-5 .thumb-group-badge { background: #8b5cf6; }
.group-6 .thumb-group-badge { background: #14b8a6; }

/* ============================================
   7. FILE HEADER
   ============================================ */

.file-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--panel-bg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
}

.file-header-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0; /* Allow truncation */
  flex: 1;
}

.file-header-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.file-header-icon svg {
  width: 20px;
  height: 20px;
}

.file-header-details {
  min-width: 0;
  flex: 1;
}

.file-header-name {
  font-size: var(--fs-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.file-header-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: 2px;
}

.file-header-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px 10px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--fs-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
}

.file-header-size {
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
}

.file-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* ============================================
   8. OPTION CARDS (Mode Selection)
   ============================================ */

.option-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.option-card {
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  overflow: hidden;
}

.option-card:hover {
  border-color: var(--text-tertiary);
  background: var(--card-bg-hover);
}

.option-card.active {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.option-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
}

.option-radio {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-color-dark);
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.option-card.active .option-radio {
  border-color: var(--color-primary);
  background: var(--color-primary);
  box-shadow: inset 0 0 0 3px var(--card-bg);
}

.option-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.option-icon svg {
  width: 28px;
  height: 28px;
}

.option-content {
  flex: 1;
  min-width: 0;
}

.option-title {
  font-size: var(--fs-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: 2px;
}

.option-desc {
  font-size: var(--fs-xs);
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.option-card-body {
  display: none;
  padding: 0 var(--space-4) var(--space-4);
  border-top: 1px solid var(--border-color);
  margin-top: 0;
}

.option-card.active .option-card-body {
  display: block;
  padding-top: var(--space-4);
}

/* ============================================
   9. FORM CONTROLS (Inputs, Selects)
   ============================================ */

.form-input {
  width: 100%;
  height: var(--input-height);
  padding: 0 var(--space-4);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-family: inherit;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input::placeholder {
  color: var(--text-tertiary);
}

.form-input-sm {
  height: var(--input-height-sm);
  padding: 0 var(--space-3);
  font-size: var(--fs-xs);
}

/* Number Input */
.form-number {
  width: 70px;
  text-align: center;
  font-weight: var(--font-semibold);
}

/* Input Group */
.input-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.input-group-text {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  white-space: nowrap;
}

/* Checkbox */
.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.form-checkbox input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* ============================================
   10. BUTTONS (Unified)
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: var(--btn-height);
  padding: 0 var(--space-6);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--fs-sm);
  font-weight: var(--font-semibold);
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn-sm {
  height: var(--btn-height-sm);
  padding: 0 var(--space-4);
  font-size: var(--fs-xs);
}

.btn-sm svg {
  width: 14px;
  height: 14px;
}

.btn-lg {
  height: var(--btn-height-lg);
  padding: 0 var(--space-8);
  font-size: var(--fs-base);
}

.btn-lg svg {
  width: 20px;
  height: 20px;
}

.btn-full {
  width: 100%;
}

.btn.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-primary);
}

.btn.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-primary-lg);
}

.btn-primary:disabled {
  background: var(--text-tertiary);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-color-dark);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.btn-icon {
  width: var(--btn-height);
  padding: 0;
}

.btn-icon.btn-sm {
  width: var(--btn-height-sm);
}

/* ============================================
   11. RESULT PREVIEW CHIPS
   ============================================ */

.result-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.result-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: var(--font-medium);
}

.result-chip.group-1 { background: rgba(34, 197, 94, 0.15); color: #16a34a; }
.result-chip.group-2 { background: rgba(59, 130, 246, 0.15); color: #2563eb; }
.result-chip.group-3 { background: rgba(245, 158, 11, 0.15); color: #d97706; }
.result-chip.group-4 { background: rgba(236, 72, 153, 0.15); color: #db2777; }
.result-chip.group-5 { background: rgba(139, 92, 246, 0.15); color: #7c3aed; }
.result-chip.group-6 { background: rgba(20, 184, 166, 0.15); color: #0d9488; }

/* ============================================
   12. PROCESSING OVERLAY
   ============================================ */

.processing-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  backdrop-filter: blur(4px);
}

.processing-card {
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  text-align: center;
  max-width: 320px;
  width: 90%;
  box-shadow: var(--shadow-2xl);
}

.processing-spinner {
  width: 56px;
  height: 56px;
  border: 3px solid var(--border-color);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto var(--space-5);
}

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

.processing-title {
  font-size: var(--fs-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.processing-progress {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
}

.processing-progress-bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: 3px;
  transition: width 0.3s ease;
}

/* ============================================
   13. RESULT SUCCESS
   ============================================ */

.result-success {
  text-align: center;
  padding: var(--space-10);
  max-width: 500px;
  margin: 0 auto;
}

.result-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-5);
  background: var(--color-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.result-icon svg {
  width: 40px;
  height: 40px;
}

.result-title {
  font-size: var(--fs-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.result-subtitle {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}

.result-files {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.result-file-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: var(--fs-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.result-file-btn:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
}

.result-file-btn svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
}

/* ============================================
   14. MOBILE SIDEBAR DRAWER
   ============================================ */

/* Mobile Toggle Button */
.sidebar-toggle {
  display: none;
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-fixed);
}

/* Mobile Drawer Backdrop */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.sidebar-backdrop.active {
  opacity: 1;
}

/* Mobile Drawer */
.sidebar-drawer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-height: 85vh;
  background: var(--bg-primary);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  z-index: var(--z-modal);
  transform: translateY(100%);
  transition: transform var(--transition-normal);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  visibility: hidden;
  pointer-events: none;
}

.sidebar-drawer.active {
  transform: translateY(0);
  visibility: visible;
  pointer-events: auto;
}

.sidebar-drawer-handle {
  flex-shrink: 0;
  padding: var(--space-3);
  display: flex;
  justify-content: center;
}

.sidebar-drawer-handle::before {
  content: '';
  width: 40px;
  height: 4px;
  background: var(--border-color-dark);
  border-radius: 2px;
}

.sidebar-drawer-content {
  flex: 1;
  overflow-y: auto;
  padding: 0 var(--space-5) var(--space-5);
}

.sidebar-drawer-footer {
  flex-shrink: 0;
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border-color);
  background: var(--bg-primary);
}

/* ============================================
   15. RESPONSIVE BEHAVIOR
   ============================================ */

@media (max-width: 1024px) {
  .tool-layout {
    grid-template-columns: 1fr;
  }

  /* Hide desktop sidebar */
  .tool-sidebar {
    display: none;
  }

  /* Show mobile toggle */
  .sidebar-toggle {
    display: flex;
  }

  /* Show mobile drawer elements (hidden until .active) */
  .sidebar-backdrop {
    display: block;
    pointer-events: none;
  }
  .sidebar-backdrop.active {
    pointer-events: auto;
  }
  .sidebar-drawer {
    display: flex;
  }

  /* Thumb grid smaller */
  :root {
    --thumb-size: 110px;
  }
}

@media (max-width: 640px) {
  :root {
    --thumb-size: 90px;
    --panel-padding: var(--space-4);
  }

  .thumb-grid {
    gap: var(--space-2);
  }

  .file-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .file-header-actions {
    width: 100%;
    justify-content: flex-end;
  }
}

/* ============================================
   16. STICKY ACTION BAR (Mobile)
   ============================================ */

.action-bar-mobile {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-4);
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
  z-index: var(--z-sticky);
}

@media (max-width: 1024px) {
  .action-bar-mobile {
    display: block;
  }

  /* Add padding to main content for fixed action bar */
  .tool-main {
    padding-bottom: 80px;
  }
}

/* ============================================
   17. TOAST NOTIFICATIONS
   ============================================ */

.toast {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  padding: var(--space-4) var(--space-6);
  background: var(--text-primary);
  color: white;
  border-radius: var(--radius-lg);
  font-size: var(--fs-sm);
  font-weight: var(--font-medium);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-toast);
  animation: slideInRight 0.3s ease;
}

.toast-success { background: var(--color-success); }
.toast-error { background: var(--color-error); }
.toast-info { background: var(--color-info); }

@keyframes slideInRight {
  from {
    transform: translateX(100px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@media (max-width: 640px) {
  .toast {
    left: var(--space-4);
    right: var(--space-4);
    bottom: 80px; /* Above action bar */
  }
}

/* ============================================
   COMPRESS TOOL SPECIFIC STYLES
   ============================================ */

/* Quality Options */
.quality-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.quality-option {
  display: block;
  cursor: pointer;
}

.quality-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.quality-option-content {
  padding: var(--space-4);
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.quality-option:hover .quality-option-content {
  border-color: var(--text-tertiary);
}

.quality-option input:checked + .quality-option-content {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.quality-option-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-1);
}

.quality-option-name {
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.quality-badge {
  font-size: var(--fs-xs);
  font-weight: var(--font-bold);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.quality-badge-low {
  background: #DCFCE7;
  color: #166534;
}

.quality-badge-medium {
  background: #FEF3C7;
  color: #92400E;
}

.quality-badge-high {
  background: #DBEAFE;
  color: #1E40AF;
}

.quality-option-desc {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: var(--lh-base);
}

/* Preview Single (for compress) */
.preview-single {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  min-height: 300px;
}

.preview-single canvas {
  max-width: 100%;
  max-height: 400px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

/* Size Comparison */
.size-comparison {
  margin-top: var(--space-6);
  padding: var(--space-5);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
}

.size-comparison-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.size-comparison-bars {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.size-bar {
  display: grid;
  grid-template-columns: 100px 1fr 80px;
  align-items: center;
  gap: var(--space-3);
}

.size-bar-label {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.size-bar-track {
  height: 12px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.size-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
}

.size-bar-original .size-bar-fill {
  background: var(--text-tertiary);
}

.size-bar-compressed .size-bar-fill {
  background: linear-gradient(90deg, var(--color-success) 0%, #22C55E 100%);
}

.size-bar-value {
  font-size: var(--fs-sm);
  font-weight: var(--font-semibold);
  text-align: right;
}

.size-comparison-result {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.size-savings {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-lg);
  font-weight: var(--font-bold);
  color: var(--color-success);
}

/* Result Stats */
.result-stat-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  margin: var(--space-6) 0;
  padding: var(--space-5);
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
}

.result-stat {
  text-align: center;
}

.result-stat-arrow {
  font-size: var(--fs-2xl);
  color: var(--text-tertiary);
}

.result-stat-label {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-1);
}

.result-stat-value {
  font-size: var(--fs-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
}

.result-stat-success {
  color: var(--color-success);
}

.result-stat-savings {
  border-left: 2px solid var(--border-color);
  padding-left: var(--space-6);
  margin-left: var(--space-2);
}

.result-stat-highlight {
  color: var(--color-success);
  font-weight: var(--font-bold);
}

/* Estimated Savings Box */
.estimated-savings-box {
  background: linear-gradient(135deg, var(--color-success-light, #ecfdf5) 0%, var(--bg-secondary) 100%);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  text-align: center;
}

.estimated-savings-value {
  font-size: var(--fs-2xl);
  font-weight: var(--font-bold);
  color: var(--color-success);
  margin-bottom: var(--space-2);
}

.estimated-savings-size {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.estimated-savings-size .arrow {
  color: var(--color-success);
}

.estimated-savings-size .text-success {
  color: var(--color-success);
  font-weight: var(--font-semibold);
}

.estimated-savings-note {
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
  margin-top: var(--space-2);
}

/* Mobile adjustments for compress */
@media (max-width: 640px) {
  .quality-option-content {
    padding: var(--space-3);
  }

  .size-bar {
    grid-template-columns: 80px 1fr 60px;
    gap: var(--space-2);
  }

  .result-stat-grid {
    flex-direction: column;
    gap: var(--space-3);
  }

  .result-stat-arrow {
    transform: rotate(90deg);
  }
}

/* ============================================
   ROTATE TOOL STYLES
   ============================================ */

/* Pages Grid */
.pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  min-height: 300px;
}

.page-card {
  position: relative;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  cursor: pointer;
  transition: all 0.2s ease;
}

.page-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.page-card.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-light, #eff6ff);
}

.page-card-preview {
  aspect-ratio: 3/4;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2);
}

.page-card-preview img,
.page-card-preview canvas {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.page-card-number {
  font-size: var(--fs-sm);
  font-weight: var(--font-semibold);
  text-align: center;
  color: var(--text-secondary);
}

.page-card-rotation {
  position: absolute;
  top: var(--space-1);
  right: var(--space-1);
  background: var(--color-primary);
  color: white;
  font-size: var(--fs-xs);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  display: none;
}

.page-card.rotated .page-card-rotation {
  display: block;
}

.page-card-checkbox {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-card.selected .page-card-checkbox {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.page-card.selected .page-card-checkbox::after {
  content: '';
  width: 6px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  margin-bottom: 2px;
}

/* Rotation Options */
.rotation-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}

.rotation-option {
  cursor: pointer;
}

.rotation-option input {
  display: none;
}

.rotation-option-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
}

.rotation-option input:checked + .rotation-option-content {
  border-color: var(--color-primary);
  background: var(--color-primary-light, #eff6ff);
}

.rotation-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

.rotation-option input:checked + .rotation-option-content .rotation-icon {
  color: var(--color-primary);
}

.rotation-label {
  font-size: var(--fs-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
}

.rotation-option input:checked + .rotation-option-content .rotation-label {
  color: var(--color-primary);
}

/* Apply Options */
.apply-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.apply-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.apply-option:hover {
  border-color: var(--color-primary-light);
}

.apply-option input:checked + span {
  color: var(--color-primary);
  font-weight: var(--font-semibold);
}

.apply-option input {
  accent-color: var(--color-primary);
}

/* Preview Panel Actions */
.preview-panel-actions {
  display: flex;
  gap: var(--space-2);
}

/* Mobile adjustments for rotate */
@media (max-width: 768px) {
  .pages-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: var(--space-2);
  }

  .rotation-options {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-1);
  }

  .rotation-option-content {
    padding: var(--space-2);
  }

  .rotation-icon {
    width: 32px;
    height: 32px;
  }

  .rotation-label {
    font-size: var(--fs-xs);
  }
}

/* ============================================
   ROTATION BUTTONS (Quick Action)
   ============================================ */

/* Rotation Buttons Container */
.rotation-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

/* Base Rotation Button */
.rotation-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  font-size: var(--fs-sm);
  font-weight: var(--font-semibold);
  min-height: 80px;
}

.rotation-btn svg {
  width: 28px;
  height: 28px;
}

.rotation-btn:hover:not(:disabled) {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.4);
}

.rotation-btn:active:not(:disabled) {
  transform: translateY(0);
}

.rotation-btn:disabled {
  background: var(--text-tertiary);
  cursor: not-allowed;
  opacity: 0.6;
}

/* 180° Button (full width) */
.rotation-btn-180 {
  width: 100%;
  flex-direction: row;
  min-height: auto;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.rotation-btn-180:hover:not(:disabled) {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: none;
  box-shadow: none;
}

.rotation-btn-180 svg {
  width: 24px;
  height: 24px;
}

/* Sidebar Hint */
.sidebar-hint {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-primary-light, #eff6ff);
  border-radius: var(--radius-md);
  font-size: var(--fs-xs);
  color: var(--text-secondary);
  line-height: var(--lh-base);
}

.sidebar-hint svg {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  margin-top: 2px;
  color: var(--color-primary);
}

/* Sidebar Info Box */
.sidebar-info-box {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) 0;
}

.info-row:not(:last-child) {
  border-bottom: 1px solid var(--border-color);
}

.info-label {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.info-value {
  font-size: var(--fs-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

/* Mobile Rotation Buttons */
.mobile-rotation-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.mobile-rotation-buttons .rotation-btn {
  min-height: 60px;
  padding: var(--space-3);
}

.mobile-rotation-buttons .rotation-btn svg {
  width: 24px;
  height: 24px;
}

/* Mobile Action Bar for Rotate */
@media (max-width: 1024px) {
  .rotation-buttons {
    gap: var(--space-2);
  }

  .rotation-btn {
    min-height: 70px;
    padding: var(--space-3);
  }

  .rotation-btn svg {
    width: 24px;
    height: 24px;
  }
}

/* ============================================
   DELETE PAGES TOOL STYLES
   ============================================ */

/* Delete Button (Danger Style) */
.btn-danger {
  background: var(--color-error, #DC2626);
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background: #B91C1C;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.4);
}

.btn-danger:disabled {
  background: var(--text-tertiary);
  cursor: not-allowed;
}

/* Delete Selected Page Card */
.page-card.delete-selected {
  border-color: var(--color-error, #DC2626);
  background: rgba(220, 38, 38, 0.1);
}

.page-card.delete-selected .page-card-checkbox {
  background: var(--color-error, #DC2626);
  border-color: var(--color-error, #DC2626);
}

/* Delete Badge on Page Card */
.page-card-delete-badge {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 24px;
  height: 24px;
  background: var(--color-error, #DC2626);
  color: white;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.page-card.delete-selected .page-card-delete-badge {
  display: flex;
}

.page-card-delete-badge svg {
  width: 14px;
  height: 14px;
}

/* Delete Summary Box */
.delete-summary {
  text-align: center;
  padding: var(--space-4);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.delete-summary-count {
  margin-bottom: var(--space-2);
}

.delete-count {
  font-size: var(--fs-3xl);
  font-weight: var(--font-bold);
  color: var(--color-error, #DC2626);
}

.delete-label {
  display: block;
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.delete-summary-remaining {
  font-size: var(--fs-sm);
  color: var(--text-tertiary);
  padding-top: var(--space-2);
  border-top: 1px solid var(--border-color);
}

/* Mobile Delete Info */
.mobile-delete-info {
  text-align: center;
  margin-bottom: var(--space-3);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

/* ============================================
   EXTRACT PAGES TOOL STYLES
   ============================================ */

/* Extract Summary Box */
.extract-summary {
  text-align: center;
  padding: var(--space-4);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.extract-summary-count {
  margin-bottom: var(--space-2);
}

.extract-count {
  font-size: var(--fs-3xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
}

.extract-label {
  display: block;
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

/* Mobile Extract Info */
.mobile-extract-info {
  text-align: center;
  margin-bottom: var(--space-3);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

/* ============================================
   ORGANIZE PDF TOOL STYLES (Drag & Drop)
   ============================================ */

/* Draggable Page Cards */
.page-card-draggable {
  cursor: grab;
  user-select: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
  position: relative;
}

.page-card-draggable:active {
  cursor: grabbing;
}

.page-card-draggable.dragging {
  opacity: 0.5;
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
  z-index: 100;
}

/* Drag Handle */
.page-card-drag-handle {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  width: 24px;
  height: 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  z-index: 2;
  transition: background 0.15s ease, color 0.15s ease;
}

.page-card-draggable:hover .page-card-drag-handle {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* Drop Indicators */
.page-card-draggable.drop-before::before,
.page-card-draggable.drop-after::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--color-primary);
  border-radius: 2px;
  z-index: 10;
}

.page-card-draggable.drop-before::before {
  left: -8px;
}

.page-card-draggable.drop-after::after {
  right: -8px;
}

/* Reorder Summary Box */
.reorder-summary {
  text-align: center;
  padding: var(--space-4);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

/* Reorder Status */
.reorder-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background: rgba(34, 197, 94, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-success, #22C55E);
  font-size: var(--fs-sm);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-3);
}

.reorder-status.changed {
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-primary);
}

.reorder-status svg {
  flex-shrink: 0;
}

/* Reorder Preview */
.reorder-preview {
  padding: var(--space-3);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.reorder-preview-text {
  word-break: break-word;
}

/* Sortable Grid with more gap for drop indicators */
.pages-grid-sortable {
  gap: var(--space-5);
}

/* Aktionen je Seitenkarte (drehen, entfernen) */
.page-card-actions {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  display: flex;
  gap: 4px;
  z-index: 3;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.page-card-draggable:hover .page-card-actions,
.page-card-draggable:focus-within .page-card-actions {
  opacity: 1;
}

/* Auf Touch-Geraeten gibt es kein Hover, dort dauerhaft sichtbar */
@media (hover: none) {
  .page-card-actions {
    opacity: 1;
  }
}

.page-card-action {
  width: 24px;
  height: 24px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.page-card-action:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.page-card-action-delete:hover {
  background: var(--color-danger, #EF4444);
  border-color: var(--color-danger, #EF4444);
}

/* Seiten aus einer nachtraeglich hinzugefuegten Datei */
.page-card-added {
  border-color: var(--color-primary);
}

/* Der Hinweis sitzt in der Seitenvorschau, nicht an der Karte: die Karten der
   einzelnen Werkzeuge sind unterschiedlich hoch (Checkbox, Seitenzahl), an der
   Karte ausgerichtet rutschte er im Loeschen-Werkzeug unter die Seitenzahl. */
.page-card-preview {
  position: relative;
}

.page-card-added-badge {
  position: absolute;
  bottom: var(--space-2);
  left: var(--space-2);
  z-index: 2;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: white;
  font-size: var(--fs-xs);
  font-weight: var(--font-semibold);
  line-height: 1.4;
}

/* Kurzes Aufblinken, damit klar ist, welche Seiten neu dazugekommen sind */
.page-card-just-added {
  animation: page-card-flash 1.6s ease;
}

@keyframes page-card-flash {
  0%   { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.55); }
  100% { box-shadow: 0 0 0 12px rgba(59, 130, 246, 0); }
}


/* ============================================
   MERGE PDF TOOL STYLES
   ============================================ */

/* Merge Files Grid */
.merge-files-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4);
  min-height: 200px;
}

/* Preview Item (File Card) */
.preview-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  cursor: grab;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.preview-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.preview-item:active {
  cursor: grabbing;
}

.preview-item.dragging {
  opacity: 0.5;
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
  z-index: 100;
}

/* Preview Thumbnail */
.preview-thumb {
  width: 60px;
  height: 80px;
  flex-shrink: 0;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.preview-placeholder {
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
  font-weight: var(--font-medium);
}

/* Preview Info */
.preview-info {
  flex: 1;
  min-width: 0;
}

.preview-name {
  font-weight: var(--font-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.preview-meta {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

/* Preview Remove Button */
.preview-remove {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  transition: background 0.15s ease, color 0.15s ease;
  flex-shrink: 0;
}

.preview-remove:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-error, #EF4444);
}

/* Merge Hint */
.merge-hint {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-size: var(--fs-sm);
  color: var(--text-tertiary);
  border-top: 1px solid var(--border-color);
}

.merge-hint svg {
  flex-shrink: 0;
}

/* ============================================
   PDF TO JPG RESULT STYLES
   ============================================ */

/* Result Images Grid */
.result-images-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-4);
  margin: var(--space-6) 0;
  max-height: 400px;
  overflow-y: auto;
  padding: var(--space-2);
}

/* Result Image Card */
.result-image-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.result-image-preview {
  height: 120px;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.result-image-preview img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.result-image-info {
  padding: var(--space-3);
  flex: 1;
}

.result-image-name {
  font-size: var(--fs-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.result-image-size {
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
}

.result-image-card .btn {
  margin: 0 var(--space-3) var(--space-3);
}

/* Result Actions */
.result-actions {
  margin-bottom: var(--space-4);
}

/* Quality Option Small Variant */
.quality-option-sm .quality-option-content {
  padding: var(--space-2) var(--space-3);
}

.quality-option-sm .quality-option-header {
  margin-bottom: 0;
}

/* ============================================
   JPG TO PDF TOOL STYLES
   ============================================ */

/* Images Grid */
.images-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-4);
  padding: var(--space-4);
}

.images-grid-sortable .image-card {
  cursor: grab;
}

.images-grid-sortable .image-card:active {
  cursor: grabbing;
}

/* Image Card */
.image-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.image-card:hover {
  box-shadow: var(--shadow-md);
}

.image-card.dragging {
  opacity: 0.5;
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
  z-index: 100;
}

.image-card-preview {
  height: 120px;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.image-card-preview img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.image-card-info {
  padding: var(--space-3);
}

.image-card-name {
  font-size: var(--fs-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.image-card-size {
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
}

.image-card-remove {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 24px;
  height: 24px;
  border: none;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.image-card:hover .image-card-remove {
  opacity: 1;
}

.image-card-remove:hover {
  background: var(--color-error, #EF4444);
}

/* ============================================
   WATERMARK TOOL STYLES
   ============================================ */

/* Watermark Preview Wrapper */
.watermark-preview-wrapper {
  position: relative;
  display: inline-block;
  max-width: 100%;
}

.watermark-preview-wrapper img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Watermark Overlay */
.watermark-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 32px;
  font-weight: bold;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 2px;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  text-shadow: 1px 1px 2px rgba(255,255,255,0.5);
}

.watermark-overlay.diagonal {
  transform: translate(-50%, -50%) rotate(-45deg);
  font-size: 40px;
}

/* Form Input */
.form-input {
  width: 100%;
  height: var(--input-height);
  padding: 0 var(--space-4);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: var(--fs-base);
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Form Range Slider */
.form-range {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  outline: none;
  -webkit-appearance: none;
}

.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.15s ease;
}

.form-range::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

.form-range::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

/* ============================================
   PROTECT / UNLOCK / REPAIR TOOL STYLES
   ============================================ */

/* Large Icon Container */
.protect-form-container,
.unlock-form-container,
.repair-form-container {
  text-align: center;
  padding: var(--space-8);
}

.protect-icon-large,
.unlock-icon-large,
.repair-icon-large {
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.protect-description,
.unlock-description,
.repair-description {
  color: var(--text-secondary);
  font-size: var(--fs-md);
  max-width: 400px;
  margin: 0 auto var(--space-6);
}

/* Password Input Wrapper */
.password-input-wrapper {
  position: relative;
}

.password-input-wrapper .form-input {
  padding-right: 48px;
}

.password-toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px;
}

.password-toggle:hover {
  color: var(--text-primary);
}

.password-hint {
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
  margin-top: var(--space-2);
}

/* Checkbox Option */
.checkbox-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  cursor: pointer;
}

.checkbox-option input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
}

.checkbox-label {
  font-size: var(--fs-sm);
  color: var(--text-primary);
}

/* Permission Options */
.permission-options {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

/* Result Warning */
.result-warning {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-lg);
  color: #B45309;
  font-size: var(--fs-sm);
  margin: var(--space-4) 0;
  text-align: left;
}

.result-warning svg {
  flex-shrink: 0;
  color: #F59E0B;
}

/* Repair Info Box */
.repair-info-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  text-align: left;
}

.repair-info-title {
  font-weight: var(--font-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.repair-info-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.repair-info-list li {
  position: relative;
  padding-left: var(--space-5);
  margin-bottom: var(--space-2);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.repair-info-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success, #22C55E);
}

/* File Header Badge Locked */
.file-header-badge-locked {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-error, #EF4444);
}

/* Text Warning Color */
.text-warning {
  color: #F59E0B;
}

/* ==========================================================================
   NEW TOOL STYLES - PDF Monster v2.1
   ========================================================================== */

/* ============================================
   Signature Tool Styles
   ============================================ */

/* Signature Tabs */
.signature-tabs {
  display: flex;
  gap: var(--space-1);
  background: var(--bg-tertiary);
  padding: var(--space-1);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3);
}

.signature-tab {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  font-weight: var(--font-medium);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.signature-tab:hover {
  color: var(--text-primary);
}

.signature-tab.active {
  background: var(--bg-primary);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* Signature Tab Content */
.signature-tab-content {
  display: none;
}

.signature-tab-content.active {
  display: block;
}

/* Signature Canvas */
.signature-canvas-wrapper {
  background: #fff;
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3);
  overflow: hidden;
}

#signature-canvas {
  display: block;
  width: 100%;
  height: 150px;
  cursor: crosshair;
}

/* Signature Upload Area */
.signature-upload-area {
  background: var(--bg-secondary);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.signature-upload-area:hover {
  border-color: var(--primary);
  background: var(--primary-bg);
}

/* PDF Preview Container */
.pdf-preview-container {
  position: relative;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 400px;
}

.pdf-preview-img {
  width: 100%;
  height: auto;
  display: block;
}

/* Signature Overlay */
.signature-overlay {
  position: absolute;
  pointer-events: auto;
  transform: translate(-50%, -50%);
  cursor: move;
  z-index: 10;
}

.signature-overlay img {
  max-width: 150px;
  max-height: 60px;
  pointer-events: none;
}

/* Page Navigation */
.preview-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.page-indicator {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  min-width: 60px;
  text-align: center;
}

/* ============================================
   Redaction Tool Styles
   ============================================ */

.redaction-overlays {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.redaction-selection,
.redaction-box {
  position: absolute;
  pointer-events: auto;
}

.redaction-selection {
  background: rgba(0, 0, 0, 0.3);
  border: 2px dashed #000;
}

.redaction-box {
  background: rgba(0, 0, 0, 0.7);
  border: 2px solid #000;
  cursor: pointer;
}

.redaction-box:hover {
  background: rgba(0, 0, 0, 0.9);
}

/* Search & Redact Form */
.search-redact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* Color Options */
.color-options {
  display: flex;
  gap: var(--space-3);
}

.color-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  font-size: var(--fs-sm);
}

.color-option input {
  display: none;
}

.color-swatch {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast);
}

.color-option input:checked + .color-swatch {
  transform: scale(1.1);
  box-shadow: 0 0 0 2px var(--primary);
}

/* Redaction List */
.redaction-list {
  max-height: 150px;
  overflow-y: auto;
  margin-bottom: var(--space-2);
}

.redaction-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-1);
  font-size: var(--fs-sm);
}

/* ============================================
   Crop Tool Styles
   ============================================ */

.crop-margins-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.margin-input-group label {
  display: block;
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
  margin-bottom: var(--space-1);
}

/* ============================================
   OCR Tool Styles
   ============================================ */

/* Info Text in sidebar */
.info-text {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: var(--lh-relaxed);
  margin: 0;
}

.info-text strong {
  color: var(--text-primary);
}

/* ============================================
   PDF Preview with Selection
   ============================================ */

.pdf-preview-container {
  cursor: crosshair;
  user-select: none;
}

/* ============================================
   Mobile Responsive Additions
   ============================================ */

@media (max-width: 768px) {
  .signature-tabs {
    flex-wrap: wrap;
  }

  .signature-tab {
    flex: 1 1 calc(33.333% - var(--space-1));
    padding: var(--space-2);
    font-size: var(--fs-xs);
  }

  .pdf-preview-container {
    min-height: 300px;
  }

  .crop-margins-grid {
    gap: var(--space-2);
  }

  .color-options {
    flex-direction: column;
    gap: var(--space-2);
  }
}

/* Rueckmeldung beim Seiten-Hinzufuegen (2026-08-01).
   Ersetzt das alert-Fenster, das auf dem Handy leicht uebersehen wird. */
.add-pages-hint {
  margin: 0 0 var(--space-3, 12px);
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--bg-secondary, #f6f7fa);
  border: 1px solid var(--border-color, #e5e7eb);
  font-size: 0.85rem;
  line-height: 1.45;
}

.add-pages-hint.is-error {
  background: #fff5f5;
  border-color: rgba(197, 48, 48, 0.22);
  color: #9b2c2c;
}

/* ============================================
   Bedienbarkeit auf Telefon und Tablet
   Ergaenzt am 29.08.2026. Anlass: Auf dem Telefon fuellte die leere
   Textflaeche fast den ganzen Bildschirm, und der Knopf zu den
   Einstellungen war nur ein Symbol ohne Beschriftung.
   ============================================ */

@media (max-width: 1024px) {
  /* Eine leere Flaeche von zwanzig Zeilen ist auf dem Telefon sinnlos.
     Sie waechst beim Tippen ohnehin mit. */
  .text-input,
  textarea.text-input {
    min-height: 9rem;
    max-height: 40vh;
  }

  /* Der Knopf traegt jetzt eine Beschriftung, damit erkennbar ist, dass
     sich dahinter die Einstellungen verbergen. Er sitzt in einer Reihe mit
     dem Erstellen-Knopf, deshalb bekommt die Leiste rechts Platz frei. */
  .action-bar-mobile {
    padding-right: calc(var(--space-4) + 10.5rem);
  }

  .sidebar-toggle {
    width: auto;
    min-height: 48px;
    padding: 0 1rem;
    gap: 0.5rem;
    border-radius: 999px;
    align-items: center;
    bottom: var(--space-4);
    right: var(--space-4);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
  }

  .sidebar-toggle::after {
    content: attr(data-beschriftung);
    font-size: 0.95rem;
    font-weight: 600;
    white-space: nowrap;
  }
}

@media (max-width: 340px) {
  /* Nur auf sehr schmalen Geraeten bleibt allein das Symbol. Dann braucht
     die Leiste auch weniger Platz an der rechten Seite. */
  .sidebar-toggle::after {
    display: none;
  }

  .sidebar-toggle {
    width: 48px;
    padding: 0;
    justify-content: center;
  }

  .action-bar-mobile {
    padding-right: calc(var(--space-4) + 4rem);
  }
}