body {
                font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
                margin: 0;
                padding: 0;
            }
            
            .toolbar {
                display: flex;
                align-items: center;
                height: 46px;
                padding: 0 10px;
                background-color: #f5f5f5;
                border-bottom: 1px solid #ddd;
                box-sizing: border-box;
            }
            
            .dark-mode .toolbar {
                background-color: #333;
                border-bottom: 1px solid #444;
            }
            
            .toolbar button, .toolbar select {
                padding: 6px 12px;
                margin-right: 8px;
                border: 1px solid #ccc;
                border-radius: 4px;
                background-color: #fff;
                color: #333;
                font-size: 14px;
                cursor: pointer;
                transition: all 0.2s ease;
            }
            
            .dark-mode .toolbar button, 
            .dark-mode .toolbar select {
                background-color: #444;
                color: white;
                border: 1px solid #666;
            }
            
            .toolbar button:hover, .toolbar select:hover {
                background-color: #e9e9e9;
                border-color: #aaa;
            }
            
            .dark-mode .toolbar button:hover,
            .dark-mode .toolbar select:hover {
                background-color: #555;
                border-color: #888;
            }
            
            .toolbar button:active {
                background-color: #ddd;
            }
            
            .dark-mode .toolbar button:active {
                background-color: #666;
            }
            
            .toolbar input[type="text"] {
                flex: 1;
                padding: 6px 12px;
                border: 1px solid #ccc;
                border-radius: 4px;
                font-size: 14px;
                min-width: 150px;
            }
            
            .dark-mode .toolbar input[type="text"] {
                background-color: #444;
                color: white;
                border: 1px solid #666;
            }
            
            /* 语言选择样式 */
            #language-selector {
                padding: 6px 12px;
                margin-left: 10px;
                border-radius: 4px;
                border: 1px solid #ccc;
            }
            
            .dark-mode #language-selector {
                background-color: #444;
                color: white;
                border: 1px solid #666;
            }
            
            /* 保存/加载选项样式 */
            .save-load-options {
                position: absolute;
                background: white;
                border: 1px solid #ccc;
                padding: 10px;
                box-shadow: 0 2px 10px rgba(0,0,0,0.1);
                z-index: 1000;
                border-radius: 4px;
            }
            
            .dark-mode .save-load-options {
                background: #444;
                border: 1px solid #666;
                color: white;
            }
            
            .save-load-options button {
                display: block;
                width: 100%;
                margin-bottom: 5px;
                padding: 6px 12px;
                border: 1px solid #ccc;
                border-radius: 4px;
                background-color: #fff;
                color: #333;
                font-size: 14px;
                cursor: pointer;
            }
            
            .dark-mode .save-load-options button {
                background-color: #555;
                color: white;
                border: 1px solid #777;
            }
            
            .save-load-options button:last-child {
                margin-bottom: 0;
            }
            
            .save-load-options button:hover {
                background-color: #f0f0f0;
            }
            
            .dark-mode .save-load-options button:hover {
                background-color: #666;
            }
            
            /* 加载对话框样式 */
            .load-dialog {
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                background-color: rgba(0, 0, 0, 0.5);
                z-index: 2000;
                display: flex;
                justify-content: center;
                align-items: center;
            }
            
            .load-dialog-content {
                background-color: white;
                border-radius: 8px;
                padding: 20px;
                max-width: 500px;
                width: 90%;
                max-height: 80%;
                overflow-y: auto;
            }
            
            .dark-mode .load-dialog-content {
                background-color: #333;
                color: white;
            }
            
            .load-dialog h3 {
                margin-top: 0;
                text-align: center;
            }
            
            .saved-list {
                margin: 15px 0;
            }
            
            .saved-item {
                padding: 10px;
                border: 1px solid #ddd;
                border-radius: 4px;
                margin-bottom: 10px;
                cursor: pointer;
                transition: background-color 0.2s;
            }
            
            .dark-mode .saved-item {
                border: 1px solid #555;
            }
            
            .saved-item:hover {
                background-color: #f0f0f0;
            }
            
            .dark-mode .saved-item:hover {
                background-color: #444;
            }
            
            .item-title {
                font-weight: bold;
                margin-bottom: 5px;
            }
            
            .item-meta {
                font-size: 12px;
                color: #666;
                margin-bottom: 10px;
            }
            
            .dark-mode .item-meta {
                color: #aaa;
            }
            
            .item-actions {
                display: flex;
                justify-content: flex-end;
                gap: 5px;
            }
            
            .item-actions button {
                padding: 4px 8px;
                border: 1px solid #ccc;
                border-radius: 3px;
                background-color: #fff;
                color: #333;
                font-size: 12px;
                cursor: pointer;
            }
            
            .dark-mode .item-actions button {
                background-color: #555;
                color: white;
                border: 1px solid #777;
            }
            
            .item-actions button:hover {
                background-color: #f0f0f0;
            }
            
            .dark-mode .item-actions button:hover {
                background-color: #666;
            }
            
            .close-dialog {
                display: block;
                width: 100%;
                padding: 8px;
                background-color: #eee;
                border: 1px solid #ccc;
                border-radius: 4px;
                cursor: pointer;
                font-size: 14px;
            }
            
            .dark-mode .close-dialog {
                background-color: #555;
                color: white;
                border: 1px solid #777;
            }
            
            .close-dialog:hover {
                background-color: #ddd;
            }
            
            .dark-mode .close-dialog:hover {
                background-color: #666;
            }