/* Header */
.header {
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  box-shadow: 0 2px 4px var(--shadow);
  z-index: 100;
}

.header h1 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  flex: 0 0 auto;
}

.header-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.upload-ocr-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 13px;
  color: var(--text-secondary);
  background-color: var(--surface);
  cursor: pointer;
  user-select: none;
}

.upload-ocr-toggle input {
  width: 16px;
  height: 16px;
  accent-color: var(--primary-color);
}

/* Toolbar */
.toolbar {
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
  box-shadow: 0 1px 3px var(--shadow);
  z-index: 99;
}

.toolbar-section {
  display: flex;
  gap: 8px;
  align-items: center;
}

.page-processing-progress {
  margin-left: auto;
  padding: 6px 10px;
  border-radius: 999px;
  background: #eef4ff;
  color: var(--primary-color);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

/* Buttons */
.btn {
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: transparent;
  color: var(--text-primary);
}

.btn:hover:not(:disabled) {
  background-color: rgba(0, 0, 0, 0.05);
}

.btn:active:not(:disabled) {
  transform: scale(0.98);
}

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

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-hover);
}

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

.btn-secondary:hover:not(:disabled) {
  background-color: rgba(0, 102, 204, 0.08);
}

.btn-redact {
  background-color: #dc3545;
  color: white;
}

.btn-redact:hover:not(:disabled) {
  background-color: #c82333;
}

.btn-icon {
  padding: 8px;
  min-width: 36px;
  justify-content: center;
}

.btn-icon.active {
  background-color: var(--primary-color);
  color: white;
}

/* Zoom Controls */
.zoom-level {
  font-size: 14px;
  font-weight: 500;
  min-width: 50px;
  text-align: center;
}

.zoom-preset {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  background-color: var(--surface);
  color: var(--text-primary);
}

.zoom-preset:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.page-info {
  font-size: 14px;
  color: var(--text-secondary);
  min-width: 120px;
  text-align: center;
}

/* Search Panel */
.search-panel {
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  box-shadow: 0 2px 4px var(--shadow);
  z-index: 98;
}

.search-input-container {
  display: flex;
  gap: 8px;
  align-items: center;
  max-width: 600px;
}

.search-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s ease;
}

.search-input:focus {
  border-color: var(--primary-color);
}

.search-results {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

/* Debug Panel */
.debug-panel {
  background-color: #f7fbff;
  border-bottom: 1px solid var(--border);
  border-top: 1px solid #dbe9f7;
  padding: 12px 24px;
  z-index: 97;
}

.debug-grid {
  display: grid;
  grid-template-columns: 1fr 1fr auto auto;
  gap: 10px;
  align-items: end;
}

.debug-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
}

.debug-field input {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-primary);
  background-color: #ffffff;
}

.debug-field.debug-small {
  min-width: 180px;
}

.debug-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-primary);
  padding-bottom: 8px;
}

.debug-actions {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.debug-stats {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.debug-chip {
  background: #edf4fb;
  border: 1px solid #d4e4f5;
  border-radius: 12px;
  padding: 4px 8px;
}

/* Content with Sidebar layout */
.content-with-sidebar {
  flex: 1;
  display: flex;
  overflow: hidden;
}

/* Main Content */
.main-content {
  flex: 1;
  overflow: hidden;
  position: relative;
  background-color: var(--background);
  min-width: 0;
}

/* Upload Area */
.upload-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  padding: 48px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.upload-area:hover {
  background-color: rgba(0, 102, 204, 0.05);
}

.upload-area svg {
  color: var(--primary-color);
  margin-bottom: 24px;
}

.upload-area h2 {
  font-size: 24px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.upload-area p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.upload-area.dragging {
  background-color: rgba(0, 102, 204, 0.1);
  border: 2px dashed var(--primary-color);
}

.load-by-id-divider {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 420px;
  margin: 20px 0 16px;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 13px;
}

.load-by-id-divider::before,
.load-by-id-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--border);
}

.load-by-id-group {
  display: flex;
  gap: 8px;
  width: 100%;
  max-width: 420px;
}

.doc-id-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s ease;
  color: var(--text-primary);
  background-color: var(--surface);
}

.doc-id-input:focus {
  border-color: var(--primary-color);
}

/* Loading Overlay */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.95);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Note: @keyframes spin is defined earlier in this file */

.loading-overlay p {
  margin-top: 16px;
  font-size: 16px;
  color: var(--text-secondary);
}

.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  max-width: 400px;
  padding: 16px 24px;
  border-radius: 8px;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.toast-error {
  background: #f44336;
}

.toast-success {
  background: #2e7d32;
}

@media (max-width: 1100px) {
  .debug-grid {
    grid-template-columns: 1fr;
  }

  .debug-field.debug-small {
    min-width: 0;
  }

  .debug-check {
    padding-bottom: 0;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .header {
    padding: 12px 16px;
  }

  .header h1 {
    font-size: 18px;
  }

  .header-actions {
    gap: 8px;
  }

  .upload-ocr-toggle {
    font-size: 12px;
    padding: 6px 8px;
  }

  .toolbar {
    padding: 8px 16px;
    gap: 12px;
  }

  .toolbar-section {
    gap: 4px;
  }

  .zoom-level {
    display: none;
  }
}