* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }

        body {
            background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
            color: #f0f0f0;
            height: 100vh;
            overflow: hidden;
        }

        .container {
            display: flex;
            height: 100vh;
            max-width: 2000px;
            margin: 0 auto;
            padding: 10px;
            gap: 10px;
        }

        /* 顶部工具栏 */
        .top-toolbar {
            position: fixed;
            top: 10px;
            left: 10px;
            right: 10px;
            z-index: 100;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 15px;
            background: rgba(20, 20, 35, 0.95);
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(100, 100, 150, 0.2);
        }

        .logo {
            font-size: 20px;
            font-weight: 700;
            background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-right: auto;
        }

        .logo i {
            font-size: 24px;
        }

        .toolbar-btn {
            background: rgba(60, 60, 90, 0.8);
            border: none;
            color: #f0f0f0;
            padding: 8px 15px;
            border-radius: 10px;
            cursor: pointer;
            font-size: 13px;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .toolbar-btn:hover {
            background: rgba(80, 80, 120, 0.8);
            transform: translateY(-2px);
        }

        .toolbar-btn.active {
            background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
        }

        /* AI选择面板（隐藏状态） */
        .ai-panel-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 200;
            display: none;
        }

        .ai-panel-container.show {
            display: block;
        }

        .ai-panel-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(3px);
        }

        .ai-panel {
            position: absolute;
            top: 0;
            left: 0;
            width: 400px;
            height: 100%;
            background: rgba(20, 20, 35, 0.98);
            border-right: 1px solid rgba(100, 100, 150, 0.3);
            box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5);
            display: flex;
            flex-direction: column;
            overflow: hidden;
            animation: slideInLeft 0.3s ease-out;
        }

        @keyframes slideInLeft {
            from { transform: translateX(-100%); }
            to { transform: translateX(0); }
        }

        .ai-panel-header {
            padding: 20px;
            background: rgba(35, 35, 55, 0.9);
            border-bottom: 1px solid rgba(100, 100, 150, 0.3);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .ai-panel-header h2 {
            font-size: 20px;
            background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .close-panel-btn {
            background: rgba(60, 60, 90, 0.8);
            border: none;
            color: #f0f0f0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s;
        }

        .close-panel-btn:hover {
            background: rgba(80, 80, 120, 0.8);
        }

        .ai-panel-content {
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        .search-box {
            padding: 15px;
            border-bottom: 1px solid rgba(100, 100, 150, 0.3);
        }

        .search-box input {
            width: 100%;
            padding: 12px 15px;
            border-radius: 12px;
            background: rgba(40, 40, 60, 0.8);
            border: 1px solid rgba(100, 100, 150, 0.5);
            color: #f0f0f0;
            font-size: 14px;
        }

        .search-box input:focus {
            outline: none;
            border-color: #6a11cb;
        }

        .category-filter {
            padding: 15px;
            border-bottom: 1px solid rgba(100, 100, 150, 0.3);
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .category-btn {
            background: rgba(50, 50, 70, 0.7);
            border: none;
            color: #f0f0f0;
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 12px;
            cursor: pointer;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .category-btn:hover {
            background: rgba(70, 70, 100, 0.7);
        }

        .category-btn.active {
            background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
        }

        .ai-list-container {
            flex-grow: 1;
            overflow-y: auto;
            padding: 15px;
        }

        .ai-list-title {
            font-size: 16px;
            margin-bottom: 15px;
            color: #6a11cb;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .ai-list-title i {
            font-size: 18px;
        }

        .ai-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .ai-item {
            display: flex;
            align-items: center;
            padding: 12px 15px;
            background: rgba(40, 40, 60, 0.7);
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }

        .ai-item:hover {
            background: rgba(60, 60, 90, 0.7);
            transform: translateY(-2px);
        }

        .ai-item.selected {
            background: rgba(70, 70, 120, 0.8);
            border-color: #6a11cb;
            box-shadow: 0 5px 15px rgba(106, 17, 203, 0.3);
        }

        .ai-item-checkbox {
            margin-right: 12px;
        }

        .ai-item-checkbox input {
            width: 18px;
            height: 18px;
            cursor: pointer;
        }

        .ai-item-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            margin-right: 12px;
        }

        .ai-item-info {
            flex-grow: 1;
            min-width: 0;
        }

        .ai-item-name {
            font-weight: 600;
            font-size: 14px;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ai-item-type {
            font-size: 11px;
            color: #aaa;
            background: rgba(30, 30, 50, 0.8);
            padding: 2px 6px;
            border-radius: 8px;
            display: inline-block;
        }

        .ai-panel-footer {
            padding: 15px;
            background: rgba(35, 35, 55, 0.9);
            border-top: 1px solid rgba(100, 100, 150, 0.3);
        }

        .selected-count {
            padding: 10px;
            background: rgba(60, 60, 90, 0.7);
            border-radius: 10px;
            font-size: 13px;
            text-align: center;
            margin-bottom: 15px;
        }

        .panel-actions {
            display: flex;
            gap: 10px;
        }

        .panel-btn {
            flex: 1;
            padding: 10px;
            border-radius: 10px;
            border: none;
            color: #f0f0f0;
            cursor: pointer;
            font-size: 13px;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        .panel-btn.primary {
            background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
        }

        .panel-btn.secondary {
            background: rgba(60, 60, 90, 0.8);
        }

        .panel-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        /* 中间对话区域 */
        .chat-area {
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            background: rgba(20, 20, 35, 0.95);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            border: 1px solid rgba(100, 100, 150, 0.2);
            margin-top: 60px; /* 为顶部工具栏留出空间 */
        }

        .chat-tabs {
            display: flex;
            background: rgba(35, 35, 55, 0.9);
            border-bottom: 1px solid rgba(100, 100, 150, 0.3);
            overflow-x: auto;
            padding: 0 10px;
        }

        .chat-tab {
            padding: 12px 20px;
            background: transparent;
            border: none;
            color: #aaa;
            cursor: pointer;
            font-size: 14px;
            border-bottom: 3px solid transparent;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .chat-tab:hover {
            color: #f0f0f0;
        }

        .chat-tab.active {
            color: #6a11cb;
            border-bottom-color: #6a11cb;
            background: rgba(106, 17, 203, 0.1);
        }

        .chat-tab-close {
            background: transparent;
            border: none;
            color: #aaa;
            cursor: pointer;
            font-size: 12px;
            padding: 2px;
            border-radius: 50%;
            width: 18px;
            height: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .chat-tab-close:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #ff6b6b;
        }

        .add-tab-btn {
            padding: 12px 15px;
            background: transparent;
            border: none;
            color: #6a11cb;
            cursor: pointer;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .chat-panels {
            flex-grow: 1;
            display: flex;
            position: relative;
        }

        .chat-panel {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            display: flex;
            flex-direction: column;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s;
        }

        .chat-panel.active {
            opacity: 1;
            pointer-events: all;
        }

        .chat-header {
            padding: 15px 20px;
            background: rgba(35, 35, 55, 0.9);
            border-bottom: 1px solid rgba(100, 100, 150, 0.3);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .current-assistant {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .current-assistant-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .current-assistant-details h3 {
            font-size: 16px;
            margin-bottom: 4px;
        }

        .current-assistant-details p {
            color: #aaa;
            font-size: 12px;
        }

        .chat-controls {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .chat-controls button {
            background: rgba(60, 60, 90, 0.8);
            border: none;
            color: #f0f0f0;
            padding: 8px 12px;
            border-radius: 10px;
            cursor: pointer;
            font-size: 12px;
            transition: background 0.3s;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .chat-controls button:hover {
            background: rgba(80, 80, 120, 0.8);
        }

        .multi-select {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-right: 10px;
            padding: 6px 12px;
            background: rgba(60, 60, 90, 0.8);
            border-radius: 10px;
        }

        .multi-select span {
            font-size: 13px;
        }

        .messages-container {
            flex-grow: 1;
            padding: 20px;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .message {
            display: flex;
            max-width: 85%;
            animation: fadeIn 0.3s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .message.user {
            align-self: flex-end;
            flex-direction: row-reverse;
        }

        .message-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
            margin: 0 10px;
        }

        .message-content {
            padding: 12px 16px;
            border-radius: 16px;
            line-height: 1.5;
            font-size: 14px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .message.assistant .message-content {
            background: rgba(60, 60, 90, 0.8);
            border-top-left-radius: 5px;
        }

        .message.user .message-content {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            border-top-right-radius: 5px;
        }

        .message-time {
            font-size: 11px;
            color: #aaa;
            margin-top: 4px;
            text-align: right;
        }

        .message-actions {
            display: flex;
            gap: 10px;
            margin-top: 8px;
        }

        .message-action-btn {
            background: transparent;
            border: none;
            color: #aaa;
            font-size: 12px;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .message-action-btn:hover {
            color: #6a11cb;
        }

        .input-area {
            padding: 15px;
            background: rgba(35, 35, 55, 0.9);
            border-top: 1px solid rgba(100, 100, 150, 0.3);
        }

        .input-container {
            display: flex;
            gap: 12px;
        }

        .input-left-controls {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .input-control-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(60, 60, 90, 0.8);
            border: none;
            color: #f0f0f0;
            cursor: pointer;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
        }

        .input-control-btn:hover {
            background: rgba(80, 80, 120, 0.8);
            transform: translateY(-2px);
        }

        .input-control-btn.active {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
        }

        .input-main {
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .input-main textarea {
            flex-grow: 1;
            background: rgba(50, 50, 70, 0.8);
            border: 1px solid rgba(100, 100, 150, 0.5);
            border-radius: 14px;
            padding: 12px 16px;
            color: #f0f0f0;
            font-size: 14px;
            resize: none;
            min-height: 60px;
            max-height: 150px;
            transition: border 0.3s;
        }

        .input-main textarea:focus {
            outline: none;
            border-color: #6a11cb;
        }

        .input-extra {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: #aaa;
        }

        .file-attachments {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .file-attachment {
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(60, 60, 90, 0.7);
            padding: 6px 10px;
            border-radius: 8px;
            font-size: 12px;
        }

        .file-attachment-remove {
            background: transparent;
            border: none;
            color: #ff6b6b;
            cursor: pointer;
            font-size: 12px;
        }

        .input-right-controls {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .send-btn {
            height: 60px;
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            border: none;
            color: white;
            border-radius: 14px;
            font-size: 18px;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .send-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(106, 17, 203, 0.4);
        }

        .send-btn:active {
            transform: translateY(0);
        }

        /* 右侧助手详情 */
        .assistant-details {
            width: 320px;
            background: rgba(20, 20, 35, 0.95);
            border-radius: 16px;
            padding: 15px;
            display: flex;
            flex-direction: column;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            border: 1px solid rgba(100, 100, 150, 0.2);
            margin-top: 60px; /* 为顶部工具栏留出空间 */
        }

        .details-header {
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 1px solid rgba(100, 100, 150, 0.3);
        }

        .details-header h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }

        .details-header p {
            color: #aaa;
            font-size: 12px;
        }

        .details-content {
            flex-grow: 1;
            overflow-y: auto;
        }

        .detail-section {
            margin-bottom: 18px;
        }

        .detail-section h4 {
            font-size: 14px;
            margin-bottom: 10px;
            color: #6a11cb;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .capabilities-list {
            list-style-type: none;
        }

        .capabilities-list li {
            padding: 6px 0;
            border-bottom: 1px solid rgba(100, 100, 150, 0.2);
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
        }

        .capabilities-list li i {
            color: #6a11cb;
            font-size: 12px;
        }

        .stats {
            display: flex;
            justify-content: space-between;
            margin-top: 8px;
        }

        .stat {
            text-align: center;
            padding: 10px;
            background: rgba(40, 40, 60, 0.7);
            border-radius: 10px;
            flex: 1;
            margin: 0 4px;
        }

        .stat-value {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 3px;
        }

        .stat-label {
            font-size: 11px;
            color: #aaa;
        }

        /* 多AI回答对比 */
        .multi-ai-responses {
            margin-top: 20px;
            border-top: 1px solid rgba(100, 100, 150, 0.3);
            padding-top: 15px;
        }

        .multi-ai-header {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 15px;
            font-size: 14px;
            color: #6a11cb;
        }

        .multi-ai-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .multi-ai-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px;
            background: rgba(40, 40, 60, 0.7);
            border-radius: 10px;
        }

        .multi-ai-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
        }

        .multi-ai-name {
            font-size: 13px;
            font-weight: 600;
        }

        .multi-ai-status {
            margin-left: auto;
            font-size: 11px;
            color: #aaa;
        }

        .multi-ai-status.responding {
            color: #6a11cb;
        }

        /* 下拉菜单容器 */
        .dropdown-container {
            position: relative;
            display: inline-block;
        }

        /* 下拉菜单 */
        .dropdown-menu {
            position: absolute;
            bottom: 100%;  /* 从上方显示 */
            left: 0;
            z-index: 1000;
            display: none;
            min-width: 200px;
            padding: 8px 0;
            margin: 0 0 5px 0;  /* 移除负边距，改用JavaScript动态调整 */
            font-size: 14px;
            color: #f0f0f0;
            text-align: left;
            list-style: none;
            background: rgba(30, 30, 45, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(100, 100, 150, 0.2);
            transform: translateX(0);  /* 支持JavaScript的transform调整 */
            transition: transform 0.2s ease;  /* 添加平滑过渡效果 */
        }

        /* 如果菜单超出右侧边界，则靠右对齐 */
        .dropdown-menu.align-right {
            left: auto;
            right: 0;
        }

        .dropdown-menu.show {
            display: block;
        }

        /* 下拉菜单项 */
        .dropdown-item {
            display: flex;
            align-items: center;
            width: 100%;
            padding: 10px 15px;
            color: #f0f0f0;
            text-align: inherit;
            background: transparent;
            border: none;
            cursor: pointer;
            transition: background 0.2s;
            gap: 10px;
        }

        .dropdown-item:hover {
            background: rgba(80, 80, 120, 0.5);
        }

        .dropdown-item i {
            width: 20px;
            text-align: center;
        }

        /* 响应式设计 */
        @media (max-width: 1200px) {
            .assistant-details {
                display: none;
            }
        }

        @media (max-width: 900px) {
            .ai-panel {
                width: 100%;
            }
            
            .top-toolbar {
                flex-wrap: wrap;
                height: auto;
                padding: 10px;
            }
            
            .toolbar-btn span {
                display: none;
            }
            
            .toolbar-btn {
                padding: 10px;
                width: 40px;
                height: 40px;
                justify-content: center;
            }
            
            .chat-area, .assistant-details {
                margin-top: 70px;
            }
            
            .input-left-controls, .input-right-controls {
                flex-direction: row;
            }
            
            .input-control-btn, .send-btn {
                width: 40px;
                height: 40px;
            }
            
            .send-btn {
                height: 40px;
            }
        }
        
        /* 移动端适配 */
        @media screen and (max-width: 768px) {
            body {
                overflow: hidden;
                padding-bottom: 0;
            }

            .container {
                flex-direction: column;
                height: calc(100vh - 100px);
                margin-top: 10px;
                padding-bottom: 70px; /* 为底部输入区域留出空间 */
            }

            .chat-area {
                width: 100%;
                min-width: unset;
                margin-right: 0;
                margin-bottom: 10px;
                flex: 1;
                display: flex;
                flex-direction: column;
            }

            .assistant-details {
                width: 100%;
                max-height: 30%;
                overflow-y: auto;
                display: block;
            }
            
            .input-area {
                padding: 10px;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                background-color: rgba(20, 20, 35, 0.95);
                border-top: 1px solid rgba(100, 100, 150, 0.2);
                z-index: 1000;
                box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
            }
            
            .input-container {
                flex-direction: row;
                gap: 10px;
                padding: 8px 12px;
                background: rgba(50, 50, 70, 0.8);
                border: 1px solid rgba(100, 100, 150, 0.5);
                border-radius: 24px;
                align-items: flex-end;
            }
            
            .input-left-controls {
                display: flex;
                flex-direction: row;
                gap: 8px;
                margin-right: 10px;
            }
            
            .input-main {
                flex: 1;
                margin: 0;
            }
            
            #messageInput {
                min-height: 24px;
                max-height: 150px;
                resize: none;
                width: 100%;
                padding: 8px 12px;
                border: none;
                outline: none;
                font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
                font-size: 14px;
                line-height: 1.4;
                background: transparent;
                color: #f0f0f0;
            }
            
            .input-right-controls {
                margin-left: 10px;
            }
            
            .send-btn {
                width: 36px;
                height: 36px;
                border-radius: 50%;
                padding: 8px;
                display: flex;
                align-items: center;
                justify-content: center;
            }
            
            .send-btn i {
                margin: 0;
            }
            
            .input-extra {
                flex-direction: column;
                gap: 5px;
            }
            
            .file-attachments {
                flex-wrap: wrap;
            }
            
            .file-item {
                font-size: 12px;
                padding: 4px 8px;
            }
            
            /* 移动端下拉菜单优化 */
            .dropdown-menu {
                min-width: 200px;
                right: 0;
                left: auto;
                transform: translateX(-30px);
                max-height: 300px;
                overflow-y: auto;
                -webkit-overflow-scrolling: touch;
            }
            
            .dropdown-item {
                padding: 12px 16px;
                font-size: 16px;
                margin: 2px 4px;
                min-height: 44px;
            }
        }

        @media screen and (max-width: 480px) {
            .top-toolbar {
                flex-wrap: wrap;
                height: auto;
                min-height: 60px;
                padding: 5px;
                gap: 5px;
            }
            
            .logo {
                order: 1;
                font-size: 16px;
                margin-right: 10px;
            }
            
            .toolbar-btn span {
                display: none;
            }
            
            .toolbar-btn {
                padding: 8px 10px;
                margin: 2px;
            }
            
            .selected-info {
                order: 2;
                width: 100%;
                text-align: center;
                font-size: 14px;
            }
            
            .input-container {
                gap: 8px;
            }
            
            .chat-message {
                padding: 12px;
                font-size: 14px;
            }
            
            .message-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            
            .message-sender {
                font-size: 14px;
            }
            
            .message-time {
                font-size: 12px;
            }
            
            .response-status {
                font-size: 12px;
            }
            
            .multi-ai-list {
                grid-template-columns: 1fr;
            }
        }