// 主容器
.chat-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, #E8F4FD 0%, #F5FAFF 25%, #FAFCFE 50%, #FFFFFF 100%);
    position: relative;
    // 多种安全区域适配方式
    padding-top: env(safe-area-inset-top);
    padding-top: constant(safe-area-inset-top); /* 兼容iOS < 11.2 */
    box-sizing: border-box;
}

// 顶部标题栏
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
	flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 0 16px;
    // background: linear-gradient(180deg, rgba(235, 245, 255, 0.8) 0%, rgba(255, 255, 255, 0.95) 100%);
    // backdrop-filter: blur(10px);
    z-index: 100;
    box-sizing: border-box;
    // paddingTop和height通过JS动态设置
    
    // 小程序需要为右侧胶囊按钮留出空间
    /* #ifdef MP-WEIXIN */
    padding-right: 100px; // 为胶囊按钮留出空间
    /* #endif */
}

.title {
    font-size: 20px; // 调整字体大小以适配胶囊按钮高度
    font-weight: bold;
    color: #000000;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    line-height: 1;
}

.workcase-btn {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 6px 12px;
    height: 32px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    box-sizing: border-box;
    white-space: nowrap;
    flex-shrink: 0; // 防止按钮被压缩
}

.btn-icon {
    width: 16px;
    height: 16px;
}

.btn-text {
    color: #000000;
    font-size: 14px;
    font-weight: 500;
}

// 聊天消息区域
.chat-messages {
    flex: 1;
    // background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    padding: 20px 16px;
    padding-bottom: 120px;
    position: relative;
    // 为固定定位的header留出空间
    margin-top: 76px; // 默认header高度
}

// 欢迎界面
.welcome-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 400px;
    text-align: center;
    padding: 40px 20px;
}

.welcome-image {
    width: 90%; // 增大图片尺寸以适应PNG图标+文字气泡
    margin-bottom: 32px;
}

.welcome-text-primary {
    font-size: 22px; // 增大主标题字体
    font-weight: 600;
    color: #1A1A1A; // 更深的文字颜色
    margin-bottom: 12px;
    line-height: 1.3;
}

.welcome-text-secondary {
    font-size: 16px; // 增大副标题字体  
    color: #4A4A4A; // 调整副标题颜色
    line-height: 1.4;
}

// 消息列表
.messages-list {
    padding: 16px 0;
}

.message-item {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
}

.user-message-content {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: flex-end;
    gap: 8px;
}

.bot-message-content {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 8px;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.user-avatar {
    background: #5B8FF9;
}

.bot-avatar {
    background: #FF6B6B;
}

.avatar-text {
    font-size: 14px;
    font-weight: 500;
    color: #FFFFFF;
}

.message-bubble {
    max-width: 240px;
    padding: 10px 14px;
    border-radius: 12px;
    position: relative;
}

.user-bubble {
    background: #5B8FF9;
    border-radius: 12px;
}

.bot-bubble {
    background: #FFFFFF;
    border: 1px solid #E5E5E5;
    border-radius: 12px;
}

.user-bubble .message-text {
    color: #FFFFFF;
}

.bot-bubble .message-text {
    color: #333333;
}

.message-text {
    font-size: 14px;
    line-height: 1.5;
    word-wrap: break-word;
}

.message-time {
    font-size: 11px;
    color: #999999;
    margin-top: 4px;
}

.user-message .message-time {
    text-align: right;
    padding-right: 48px;
}

.bot-message .message-time {
    text-align: left;
    padding-left: 48px;
}

// 底部操作区域
.bottom-area {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    // background: #FFFFFF;
    padding: 12px 16px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom));
    // box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
    z-index: 50;
}

// 第一行容器
.top-row {
    display: flex;
    flex-direction: row;
    align-items: center;
    margin-bottom: 12px;
}

// 主要操作按钮
.main-actions {
    display: flex;
    flex-direction: row;
    gap: 8px;
    flex-shrink: 0;
}

.action-btn {
    height: 30px;
    padding: 0 20px;
    border-radius: 20px;
    border: none;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    flex-shrink: 0;
}

.action-btn.primary {
    background: #5B8FF9;
    color: #FFFFFF;
}

.action-btn.secondary {
    background: #F7F8FA;
    color: #1F2329;
    border: 1px solid #E5E6EB;
}

.action-text {
    font-size: 14px;
    font-weight: 500;
}

// 竖向分隔线
.divider-line {
    width: 1px;
    height: 30px;
    background: #E5E6EB;
    margin: 0 12px;
    flex-shrink: 0;
}

// 快速问题区域
.quick-section {
    display: flex;
    flex-direction: row;
    flex: 1;
}

.quick-btn {
    // width: 100%;
    height: 30px;
    background: #F7F8FA;
    border: 1px solid #E5E6EB;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quick-text {
    font-size: 13px;
    color: #646A73;
}

// 输入区域
.input-section {
    position: relative;
    display: flex;
    flex-direction: row;
    align-items: center;
}

.chat-input {
    flex: 1;
    height: 40px;
    padding: 0 50px 0 16px;
    background: #F7F8FA;
    border: 1px solid #E5E6EB;
    border-radius: 20px;
    font-size: 14px;
    color: #1F2329;
    box-sizing: border-box;
}

.chat-input::placeholder {
    color: #8F959E;
}

.add-btn {
    position: absolute;
    right: 4px;
    width: 32px;
    height: 32px;
    border-radius: 16px;
    border: 2px solid;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transform: scale(0.7);
}

.add-icon {
    font-size: 18px;
    font-weight: 400;
    color: #000000;
    line-height: 1;
}