._rich-text-editor_1670o_1{border:1px solid #ddd;border-radius:8px;overflow:hidden;background:#fff;display:flex;flex-direction:column;min-height:400px;box-shadow:0 4px 6px #0000001a}._editor-toolbar_1670o_12{background:#f8f9fa;border-bottom:1px solid #ddd;padding:10px;display:flex;gap:8px;flex-wrap:wrap}._toolbar-btn_1670o_21{padding:6px 12px;border:1px solid #ccc;background:#fff;border-radius:4px;cursor:pointer;font-size:14px;transition:all .2s}._toolbar-btn_1670o_21:hover{background:#e9ecef}._toolbar-btn_1670o_21:active{background:#dfe4ea}._editor-content_1670o_39{flex-grow:1;padding:20px;outline:none;min-height:200px;overflow-y:auto}._editor-content_1670o_39 p{margin-bottom:1em}._presence-indicators_1670o_51{padding:10px;border-top:1px solid #ddd;background:#f8f9fa;display:flex;gap:10px;font-size:12px}._presence-user_1670o_60{padding:4px 8px;border-radius:12px;background:#e9ecef;color:#495057}._presence-user_1670o_60._current_1670o_67{background:#dbeafe;color:#1e40af;font-weight:700}._editor-loading_1670o_73{text-align:center;padding:40px;color:#666;font-size:1.2rem}._editor-error_1670o_80{padding:20px;text-align:center;color:#dc3545;background:#f8d7da;border:1px solid #f5c6cb;border-radius:8px}:root{--primary-color: #007bff;--text-color: #333;--bg-color: #f4f4f9;--editor-bg: #fff;--border-color: #ddd}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;color:var(--text-color);background-color:var(--bg-color)}.app-container{max-width:900px;margin:0 auto;padding:2rem}header h1{text-align:center;margin-bottom:2rem}