/* ============================================================
   Workspace — File List Main View
   ============================================================ */
.workspace {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: var(--bg-primary);
  display: none;
  flex-direction: column;
}

.workspace.active {
  display: flex;
}

.workspace-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-3) var(--spacing-4);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border-bottom: 1px solid var(--glass-border);
  z-index: var(--z-above);
}

.workspace-header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.workspace-back {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.workspace-back:hover {
  color: var(--brand-start);
  background: var(--brand-light);
}

.workspace-back svg {
  width: 16px;
  height: 16px;
}

.workspace-filename {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workspace-header-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.workspace-body {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  background: var(--bg-secondary);
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* ============================================================
   File List View — Main view showing all uploaded files
   ============================================================ */
.file-list-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.file-list-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) var(--spacing-5);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  flex-wrap: wrap;
  gap: var(--spacing-3);
}

.file-list-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.file-list-count {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
}

.file-list-status {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.file-list-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.file-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-4) var(--spacing-5);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

/* File Card — single row per file */
.file-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  padding: var(--spacing-3);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  position: relative;
}

.file-card:hover {
  border-color: var(--brand-light);
  box-shadow: var(--shadow-sm);
}

.file-card.processing {
  border-color: #f59e0b;
  background: #fffbeb;
}

.file-card.done {
  border-color: #10b981;
}

.file-card.error {
  border-color: #ef4444;
  background: #fef2f2;
}

/* Thumbnail with hover actions */
.file-card-thumb {
  position: relative;
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  cursor: pointer;
}

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

.file-card-thumb-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(0, 0, 0, 0.55);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.file-card-thumb:hover .file-card-thumb-overlay {
  opacity: 1;
}

.thumb-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.thumb-action-btn:hover {
  background: white;
  transform: scale(1.1);
}

.thumb-action-btn svg {
  width: 16px;
  height: 16px;
}

/* File info section */
.file-card-info {
  flex: 1;
  min-width: 0;
}

.file-card-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}

.file-card-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.file-card-size {
  font-weight: 500;
}

.file-card-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
}

.file-card-status .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.status-queued { background: var(--text-tertiary); }
.status-dot.status-processing { background: #f59e0b; animation: pulse 1s ease-in-out infinite; }
.status-dot.status-done { background: #10b981; }
.status-dot.status-error { background: #ef4444; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* File actions (right side) */
.file-card-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  flex-shrink: 0;
}

.file-card-result-preview {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  max-width: 200px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-style: italic;
}

/* ============================================================
   Redact Editor — Full-screen overlay
   ============================================================ */
.redact-editor-overlay {
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: var(--bg-primary);
  display: none;
  flex-direction: column;
}

.redact-editor-overlay.active {
  display: flex;
}

.redact-editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-3) var(--spacing-4);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  flex-wrap: wrap;
  gap: var(--spacing-3);
}

.redact-editor-close {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.redact-editor-close:hover {
  color: var(--brand-start);
  background: var(--brand-light);
}

.redact-editor-filename {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  flex: 1;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.redact-editor-tools {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  flex-wrap: wrap;
}

.redact-tool-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding-right: var(--spacing-3);
  border-right: 1px solid var(--border);
}

.redact-tool-group:last-of-type {
  border-right: none;
}

.redact-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.redact-slider {
  width: 100px;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--bg-secondary);
  border-radius: 2px;
  outline: none;
}

.redact-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  background: var(--brand-start);
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid white;
  box-shadow: var(--shadow-sm);
}

.redact-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: var(--brand-start);
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid white;
  box-shadow: var(--shadow-sm);
}

.redact-brush-value {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--brand-start);
  min-width: 24px;
  text-align: center;
}

.toolbar-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

.toolbar-btn-sm {
  padding: 4px 8px;
  font-size: 11px;
}

.redact-editor-body {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  background: #1a1a1a;
  position: relative;
  padding: var(--spacing-4);
}

.redact-editor-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--radius-md);
  user-select: none;
  -webkit-user-drag: none;
}

.redact-canvas {
  position: absolute;
  pointer-events: none;
  cursor: crosshair;
  border-radius: var(--radius-md);
}

.redact-canvas.active {
  pointer-events: auto;
}

/* ============================================================
   Result Panel — Full-screen overlay
   ============================================================ */
.result-panel-overlay {
  position: fixed;
  inset: 0;
  z-index: 9997;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
}

.result-panel-overlay.active {
  display: flex;
}

.result-panel {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: visible;
}

.result-panel-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-5);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  overflow: visible;
  position: relative;
  z-index: 10;
}

.result-panel-close {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.result-panel-close:hover {
  color: var(--brand-start);
  background: var(--brand-light);
}

.result-panel-filename {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 300px;
}

.result-panel-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  flex: 1;
  min-width: 0;
}

.result-nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.result-nav-btn:hover:not(:disabled) {
  border-color: var(--brand-start);
  color: var(--brand-start);
  background: var(--brand-light);
}

.result-nav-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.result-panel-tabs {
  display: flex;
  gap: 2px;
  padding: 0 var(--spacing-5);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  background: var(--bg-secondary);
  position: relative;
  z-index: 0;
}

.result-tab {
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-tertiary);
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

.result-tab.active {
  color: var(--brand-start);
  border-bottom-color: var(--brand-start);
}

.result-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-5);
}

.result-panel-content {
  display: none;
}

.result-panel-content.active {
  display: block;
}

.result-panel-footer {
  padding: var(--spacing-3) var(--spacing-5);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  flex-shrink: 0;
}

.footer-label {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: var(--spacing-1);
}

.btn-download {
  padding: 6px 12px;
  font-size: var(--text-xs);
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
}

.btn-download:hover {
  border-color: var(--brand-start);
  color: var(--brand-start);
  background: var(--brand-light);
}

/* ============================================================
   Shared result styles (OCR/Translate/Format/Chat)
   ============================================================ */
.result-text {
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-word;
}

.result-text.mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  background: var(--bg-tertiary);
  padding: var(--spacing-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
}

.confidence-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-4);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  margin-bottom: var(--spacing-4);
}

.confidence-label {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  white-space: nowrap;
}

.confidence-track {
  flex: 1;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.confidence-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--brand-gradient);
  transition: width var(--transition-slow);
}

.confidence-value {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--brand-start);
}

.translate-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-4);
}

.lang-select {
  flex: 1;
  padding: var(--spacing-2) var(--spacing-3);
  background: var(--bg-primary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--text-primary);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}

.lang-select option {
  background: var(--bg-primary);
  color: var(--text-primary);
}

.lang-arrow {
  color: var(--text-tertiary);
  font-size: var(--text-sm);
}

.format-options {
  display: flex;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-4);
}

.format-option {
  flex: 1;
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--text-xs);
  font-weight: 600;
  text-align: center;
  background: var(--bg-primary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.format-option:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.format-option.active {
  background: var(--brand-gradient);
  border-color: transparent;
  color: white;
}

.chat-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  min-height: 200px;
}

.chat-messages {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  max-height: 400px;
  overflow-y: auto;
  padding: var(--spacing-2);
}

.chat-message {
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: 1.6;
  max-width: 85%;
}

.chat-message.user {
  background: var(--brand-gradient);
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: var(--spacing-1);
}

.chat-message.assistant {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  align-self: flex-start;
  border-bottom-left-radius: var(--spacing-1);
}

.chat-input-wrapper {
  display: flex;
  gap: var(--spacing-2);
  padding-top: var(--spacing-3);
  border-top: 1px solid var(--glass-border);
}

.chat-input {
  flex: 1;
  padding: var(--spacing-2) var(--spacing-3);
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--text-primary);
  transition: border-color var(--transition-fast);
}

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

.chat-input:focus {
  border-color: var(--brand-start);
}

/* ============================================================
   Image Preview — Full-screen overlay
   ============================================================ */
.image-preview-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.9);
  z-index: 9999;
  padding: var(--spacing-6);
}

.image-preview-overlay.active {
  display: flex;
}

.preview-image {
  max-width: 95vw;
  max-height: 95vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.preview-close-btn {
  position: absolute;
  top: var(--spacing-4);
  right: var(--spacing-4);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: white;
  cursor: pointer;
  transition: all var(--transition-fast);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
}

.preview-close-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.05);
}

/* ============================================================
   Processing spinner (for file cards)
   ============================================================ */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--bg-tertiary);
  border-top-color: var(--brand-start);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ============================================================
   Dropdown menu (Export)
   ============================================================ */
.dropdown {
  position: relative;
}

.dropdown-menu {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 4px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-1);
  min-width: 180px;
  z-index: 9999;
}

.dropdown-menu.active {
  display: block;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  width: 100%;
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--text-sm);
  color: var(--text-primary);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
  text-align: left;
}

.dropdown-item:hover {
  background: var(--bg-secondary);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 768px) {
  .file-list-toolbar {
    padding: var(--spacing-3);
  }

  .file-list {
    padding: var(--spacing-3);
  }

  .file-card {
    padding: var(--spacing-2);
    gap: var(--spacing-2);
  }

  .file-card-thumb {
    width: 60px;
    height: 60px;
  }

  .file-card-actions {
    flex-direction: column;
    gap: 4px;
  }

  .file-card-result-preview {
    display: none;
  }

  .redact-editor-header {
    padding: var(--spacing-2) var(--spacing-3);
  }

  .redact-editor-tools {
    gap: var(--spacing-2);
  }

  .redact-slider {
    width: 60px;
  }

  .result-panel {
    max-height: 95vh;
    border-radius: var(--radius-md);
  }

  .result-panel-tabs {
    overflow-x: auto;
    padding: 0 var(--spacing-3);
  }

  .result-tab {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--text-xs);
  }

  .result-panel-body {
    padding: var(--spacing-3);
  }
}