.notebook-editor-toolbar{display:flex;align-items:center;gap:8px;margin-bottom:8px}.notebook-editor-toolbar button{width:36px;height:36px;border-radius:8px;border:1px solid #ccc;background:#f4f2ec;cursor:pointer;font-size:14px}.notebook-editor-swatch{width:28px;height:28px;border-radius:999px;border:1px solid #ccc;cursor:pointer;padding:0}.notebook-editor-specialchars-popover{position:absolute;top:44px;left:0;z-index:20;display:flex;flex-wrap:wrap;gap:4px;width:220px;padding:8px;background:#fff;border:1px solid #ccc;border-radius:8px;box-shadow:0 4px 16px #00000026}.notebook-editor-specialchars-btn{width:32px;height:32px;border-radius:6px;border:1px solid #ccc;background:#f4f2ec;cursor:pointer;font-size:15px}.notebook-editor-specialchars-btn:hover{background:#e8e5db}.notebook-editor-wrap{border:1px solid #ccc;border-radius:12px;padding:12px;min-height:260px;background:#fff;color:#1a1a1a}.notebook-editor-wrap .ProseMirror{outline:none;min-height:240px;font-size:16px;line-height:1.5}.notebook-editor-wrap .ProseMirror p{margin:0 0 8px}.collaboration-cursor__caret{position:relative;margin-left:-1px;margin-right:-1px;border-left:1px solid;border-right:1px solid;word-break:normal;pointer-events:none}.collaboration-cursor__label{position:absolute;top:-1.4em;left:-1px;font-size:12px;font-style:normal;font-weight:600;line-height:normal;-webkit-user-select:none;user-select:none;white-space:nowrap;padding:.1rem .3rem;border-radius:3px 3px 3px 0;color:#fff}.notebook-image-root{margin:8px 0}.notebook-image-loading{padding:16px;border:1px dashed #ccc;border-radius:8px;color:#888;font-size:13px}.notebook-image-error{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border:1px dashed #c0392b;border-radius:8px;color:#c0392b;font-size:13px}.notebook-image-error-dismiss{flex-shrink:0;border:1px solid #c0392b;border-radius:6px;background:transparent;color:#c0392b;font-size:12px;padding:4px 10px;cursor:pointer}.notebook-image-wrap{position:relative;display:inline-block;max-width:100%}.notebook-image-img{display:block;width:100%;height:auto;border-radius:8px}.notebook-image-handle{position:absolute;width:14px;height:14px;background:#7c6cff;border:2px solid #fff;border-radius:999px;opacity:0;transition:opacity .15s;cursor:nwse-resize}.notebook-image-wrap:hover .notebook-image-handle,.notebook-image-wrap:hover .notebook-image-delete{opacity:1}.notebook-image-delete{position:absolute;top:6px;right:6px;width:22px;height:22px;border:none;border-radius:999px;background:#0000008c;color:#fff;font-size:11px;line-height:1;cursor:pointer;opacity:0;transition:opacity .15s}.notebook-image-delete:hover{background:#c0392b}.notebook-image-handle-nw{top:-7px;left:-7px;cursor:nwse-resize}.notebook-image-handle-ne{top:-7px;right:-7px;cursor:nesw-resize}.notebook-image-handle-sw{bottom:-7px;left:-7px;cursor:nesw-resize}.notebook-image-handle-se{bottom:-7px;right:-7px;cursor:nwse-resize}