/* Image list with thumbnails */
    .image-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
      margin-top: 20px;
      padding: 0;
    }
    .image-list-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 14px;
      background: var(--color-bg);
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-sm);
      cursor: grab;
      user-select: none;
      transition: all var(--transition-fast);
    }
    .image-list-item:active {
      cursor: grabbing;
    }
    .image-list-item.dragging {
      opacity: 0.5;
      border-color: var(--color-primary);
      background: var(--color-primary-light);
    }
    .image-list-item.drag-over-item {
      border-top: 3px solid var(--color-primary);
    }
    .image-list-item .drag-handle {
      color: var(--color-text-muted);
      font-size: 1rem;
      flex-shrink: 0;
      cursor: grab;
      display: flex;
      align-items: center;
    }
    .image-list-item .thumb {
      width: 48px;
      height: 48px;
      object-fit: cover;
      border-radius: 6px;
      border: 1px solid var(--color-border-light);
      background: repeating-conic-gradient(#f1f5f9 0% 25%, transparent 0% 50%) 50% / 8px 8px;
      flex-shrink: 0;
    }
    .image-list-item .img-info {
      flex: 1;
      min-width: 0;
    }
    .image-list-item .img-name {
      font-size: 0.85rem;
      font-weight: 500;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      color: var(--color-text);
    }
    .image-list-item .img-dims {
      font-family: var(--font-mono);
      font-size: 0.72rem;
      color: var(--color-text-muted);
      margin-top: 2px;
    }
    .image-list-item .remove-btn {
      background: none;
      border: none;
      cursor: pointer;
      color: var(--color-text-muted);
      font-size: 1.2rem;
      padding: 4px 8px;
      border-radius: 4px;
      transition: all var(--transition-fast);
      flex-shrink: 0;
      line-height: 1;
    }
    .image-list-item .remove-btn:hover {
      background: var(--color-error-bg);
      color: var(--color-error);
    }

    .add-more-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 10px 20px;
      margin-top: 12px;
      background: var(--color-surface);
      border: 1px dashed var(--color-border);
      border-radius: var(--radius-sm);
      font-family: var(--font-body);
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--color-text-secondary);
      cursor: pointer;
      transition: all var(--transition-fast);
      position: relative;
      overflow: hidden;
    }
    .add-more-btn:hover {
      border-color: var(--color-primary-subtle);
      background: var(--color-primary-light);
      color: var(--color-primary);
    }
    .add-more-btn input[type="file"] {
      position: absolute;
      inset: 0;
      opacity: 0;
      cursor: pointer;
    }

    /* Toggle button groups */
    .toggle-group {
      display: flex;
      gap: 0;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      overflow: hidden;
    }
    .toggle-btn {
      padding: 10px 18px;
      background: var(--color-surface);
      border: none;
      border-right: 1px solid var(--color-border);
      font-family: var(--font-body);
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--color-text-secondary);
      cursor: pointer;
      transition: all var(--transition-fast);
    }
    .toggle-btn:last-child {
      border-right: none;
    }
    .toggle-btn:hover {
      background: var(--color-surface-hover);
    }
    .toggle-btn.active {
      background: var(--color-primary-light);
      color: var(--color-primary);
    }

    /* Margin options */
    .margin-group {
      display: flex;
      gap: 0;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      overflow: hidden;
    }
    .margin-btn {
      padding: 10px 14px;
      background: var(--color-surface);
      border: none;
      border-right: 1px solid var(--color-border);
      font-family: var(--font-body);
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--color-text-secondary);
      cursor: pointer;
      transition: all var(--transition-fast);
    }
    .margin-btn:last-child {
      border-right: none;
    }
    .margin-btn:hover {
      background: var(--color-surface-hover);
    }
    .margin-btn.active {
      background: var(--color-primary-light);
      color: var(--color-primary);
    }

    /* Settings grid for PDF options */
    .settings-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
      gap: 20px;
      margin-top: 8px;
    }

    /* Image count badge */
    .image-count {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background: var(--color-primary-light);
      color: var(--color-primary);
      border-radius: 100px;
      font-size: 0.8rem;
      font-weight: 600;
      margin-bottom: 12px;
    }

    /* Progress indicator */
    .progress-bar-wrap {
      width: 100%;
      height: 6px;
      background: var(--color-border);
      border-radius: 3px;
      margin-top: 16px;
      overflow: hidden;
      display: none;
    }
    .progress-bar-wrap.visible {
      display: block;
    }
    .progress-bar-fill {
      height: 100%;
      background: var(--color-primary);
      border-radius: 3px;
      transition: width 0.3s ease;
      width: 0%;
    }
    .progress-status {
      font-size: 0.8rem;
      color: var(--color-text-muted);
      margin-top: 8px;
      display: none;
    }
    .progress-status.visible {
      display: block;
    }

    /* Custom size inputs */
    .custom-size-row {
      display: none;
      gap: 8px;
      align-items: center;
      margin-top: 8px;
    }
    .custom-size-row.visible {
      display: flex;
    }
    .custom-size-row input {
      width: 80px;
      padding: 8px 10px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      font-family: var(--font-body);
      font-size: 0.82rem;
      background: var(--color-surface);
      color: var(--color-text);
    }
    .custom-size-row span {
      font-size: 0.8rem;
      color: var(--color-text-muted);
    }

    /* Custom margin input */
    .custom-margin-row {
      display: none;
      gap: 8px;
      align-items: center;
      margin-top: 8px;
    }
    .custom-margin-row.visible {
      display: flex;
    }
    .custom-margin-row input {
      width: 70px;
      padding: 8px 10px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      font-family: var(--font-body);
      font-size: 0.82rem;
      background: var(--color-surface);
      color: var(--color-text);
    }
    .custom-margin-row span {
      font-size: 0.8rem;
      color: var(--color-text-muted);
    }

    /* Preview panel */
    .preview-panel {
      margin-top: 20px;
      padding: 20px;
      background: var(--color-bg);
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-sm);
      display: none;
    }
    .preview-panel.visible {
      display: block;
    }
    .preview-panel h4 {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--color-text-secondary);
      margin: 0 0 14px 0;
    }
    .preview-canvas-wrap {
      display: flex;
      justify-content: center;
      align-items: center;
      background: repeating-conic-gradient(#e5e7eb 0% 25%, #fff 0% 50%) 50% / 12px 12px;
      border: 1px solid var(--color-border-light);
      border-radius: 6px;
      padding: 16px;
      min-height: 200px;
    }
    .preview-canvas-wrap canvas {
      box-shadow: 0 2px 12px rgba(0,0,0,0.12);
      max-width: 100%;
      height: auto;
    }

    /* Images per page grid layout label */
    .grid-label {
      font-size: 0.72rem;
      color: var(--color-text-muted);
      margin-top: 4px;
    }

    @media (max-width: 768px) {
      .settings-grid {
        grid-template-columns: 1fr;
      }
      .toggle-btn {
        padding: 10px 12px;
        font-size: 0.78rem;
      }
      .margin-btn {
        padding: 10px 10px;
        font-size: 0.78rem;
      }
    }