.ai-chat-system {
    display: flex;
    height: 100vh;
    background: #f5f7fa;

    // 左侧边栏
    .chat-sidebar {
        width: 200px;
        background: #fff;
        border-right: 1px solid #e4e7ed;
        display: flex;
        flex-direction: column;

        .sidebar-header {
            padding: 20px 16px;
            border-bottom: 1px solid #e4e7ed;

            h1 {
                font-size: 16px;
                margin: 0;
                color: #303133;
            }
        }

        .nav-section {
            padding: 12px 8px;

            .nav-item.new-chat {
                background: #409eff;
                color: #fff;

                &:hover {
                    background: #66b1ff;
                }
            }

            .nav-item {
                display: flex;
                align-items: center;
                gap: 10px;
                padding: 10px 12px;
                margin-bottom: 2px;
                border-radius: 6px;
                cursor: pointer;
                color: #606266;
                transition: all 0.2s;

                &:hover {
                    background: #f5f7fa;
                }

                &.active {
                    background: #ecf5ff;
                    color: #409eff;
                }

                span {
                    font-size: 14px;
                }
            }
        }

        .sidebar-footer {
            margin-top: auto;
            padding: 16px;
            text-align: center;
            font-size: 12px;
            color: #c0c4cc;
            border-top: 1px solid #e4e7ed;
        }
    }

    // 主内容区
    .chat-main {
        flex: 1;
        display: flex;
        flex-direction: column;
        overflow: hidden;
        background: #f5f7fa;

        .chat-header {
            padding: 24px 32px;
            background: #fff;
            border-bottom: 1px solid #e4e7ed;

            h1 {
                font-size: 24px;
                margin: 0 0 8px 0;
                color: #303133;
            }

            .subtitle {
                font-size: 14px;
                color: #909399;
                margin: 0;
            }
        }

        .chat-area {
            flex: 1;
            background: #fff;
            margin: 24px 32px;
            border-radius: 8px;
            display: flex;
            flex-direction: column;
            overflow: hidden;

            .ai-info {
                display: flex;
                align-items: center;
                gap: 12px;
                padding: 16px 20px;
                border-bottom: 1px solid #e4e7ed;

                .ai-avatar {
                    width: 48px;
                    height: 48px;
                    border-radius: 50%;
                    background: #f0f2f5;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    font-size: 24px;
                }

                .ai-details {
                    flex: 1;
                }

                .ai-name {
                    font-size: 16px;
                    font-weight: 600;
                    color: #303133;
                    margin-bottom: 4px;
                }

                .ai-status {
                    font-size: 12px;
                    color: #67c23a;
                    display: flex;
                    align-items: center;
                    gap: 6px;

                    .status-dot {
                        width: 6px;
                        height: 6px;
                        border-radius: 50%;
                        background: #67c23a;
                        animation: pulse 2s infinite;
                    }
                }
            }

            .messages {
                flex: 1;
                padding: 20px;
                overflow-y: auto;
                background: #f5f7fa;

                .message {
                    display: flex;
                    margin-bottom: 16px;

                    &.user {
                        justify-content: flex-end;

                        .message-content {
                            background: #409eff;
                            color: #fff;
                        }
                    }

                    .message-content {
                        max-width: 60%;
                        padding: 12px 16px;
                        background: #fff;
                        border-radius: 8px;
                        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
                    }

                    .message-text {
                        line-height: 1.6;
                        word-wrap: break-word;
                    }

                    .message-time {
                        font-size: 11px;
                        color: #c0c4cc;
                        margin-top: 6px;
                    }
                }
            }

            .quick-actions {
                display: flex;
                gap: 12px;
                padding: 12px 20px;
                border-top: 1px solid #e4e7ed;
                border-bottom: 1px solid #e4e7ed;
                background: #fff;

                .quick-btn {
                    display: flex;
                    align-items: center;
                    gap: 6px;
                    padding: 8px 16px;
                    background: #f5f7fa;
                    border: 1px solid #e4e7ed;
                    border-radius: 16px;
                    font-size: 13px;
                    color: #606266;
                    cursor: pointer;
                    transition: all 0.2s;

                    &:hover {
                        background: #ecf5ff;
                        border-color: #409eff;
                        color: #409eff;
                    }
                }
            }

            .input-area {
                display: flex;
                align-items: center;
                gap: 12px;
                padding: 16px 20px;
                background: #fff;

                .attach-icon {
                    font-size: 20px;
                    color: #909399;
                    cursor: pointer;
                }
            }
        }
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}