/* 移动端响应式样式 - 微信APP风格 */

/* iOS Safari 特殊修复 */
@supports (-webkit-touch-callout: none) {
    /* iOS Safari 专用样式 */
    body {
        -webkit-font-smoothing: antialiased;
        -webkit-tap-highlight-color: transparent;
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        user-select: none;
    }
    
    /* iOS Safari 输入框修复 - 彻底移除默认样式和灰色背景 */
    input, textarea, .message-input {
        -webkit-appearance: none;
        appearance: none;
        -webkit-border-radius: 0;
        border-radius: 0;
        background: white !important;
        background-color: white !important;
    }
    
    /* iOS Safari 输入框焦点状态 - 确保没有灰色背景 */
    input:focus, textarea:focus, .message-input:focus {
        background: white !important;
        background-color: white !important;
        -webkit-appearance: none !important;
        appearance: none !important;
        outline: none !important;
        box-shadow: none !important;
        -webkit-box-shadow: none !important;
    }
    
    /* iOS Safari 输入框激活状态 */
    input:active, textarea:active, .message-input:active {
        background: white !important;
        background-color: white !important;
    }
    
    /* iOS Safari 固定定位修复 */
    .chat-input-area {
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }
    
    /* iOS Safari 输入框容器 - 确保没有灰色覆盖层 */
    .chat-input-box,
    #text-input-mode,
    #voice-input-mode {
        background: transparent !important;
        background-color: transparent !important;
    }
    
    /* iOS Safari 移除输入框的所有伪元素和覆盖层 */
    textarea::before,
    textarea::after,
    input::before,
    input::after,
    #message-input::before,
    #message-input::after {
        display: none !important;
        background: none !important;
        content: none !important;
    }
}

/* 主屏幕独立模式（PWA / 添加到主屏幕）安全区适配 */
html.standalone body {
    /* 去掉给 body 的顶部内边距，避免过大空白 */
    padding-top: 0;
    background: #f5f5f5;
}
html.standalone .chat-header {
    /* 贴近状态栏：顶部与安全区对齐，不再留额外空白 */
    padding-top: 10px;
    padding-bottom: 10px;
    padding-left: 16px;
    padding-right: 16px;
    margin-top: 0;
    position: fixed;
    top: env(safe-area-inset-top, 0);
    left: 0;
    right: 0;
    background: #f5f5f5;
    z-index: 200;
}
html.standalone .chat-window {
    background: #f5f5f5;
    margin-top: 0;
    /* 给内容留出头部高度（约 60px） + 安全区 */
    padding-top: calc(env(safe-area-inset-top, 0) + 60px);
}

/* 通用移动端样式 - 适用于所有移动设备
   注意：阈值改为 768px，避免桌面浏览器窗口稍微缩小就被当成移动端样式，导致输入框错位 */
@media (max-width: 768px) {
    /* 确保输入区域在所有移动设备上都可见 */
    .chat-input-area {
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        background: transparent !important; /* 直接去掉背景 */
        background-color: transparent !important; /* 直接去掉背景 */
        border-top: 1px solid #d4d4d4 !important;
        padding: 8px 12px !important;
        padding-bottom: calc(8px + env(safe-area-inset-bottom)) !important;
        z-index: 10000 !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: stretch !important;
        box-sizing: border-box !important;
        min-height: fit-content !important;
        overflow: visible !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* 确保输入框容器在所有移动设备上都可见 */
    .chat-input-box,
    #text-input-mode {
        display: flex !important;
        align-items: center !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        box-sizing: border-box !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        z-index: 10001 !important;
        gap: 6px !important;
    }
    
    /* 确保所有按钮在所有移动设备上都可见 */
    #voice-mode-toggle,
    #voice-mode-toggle-voice,
    #emoji-btn,
    #more-btn,
    .voice-mode-toggle,
    .emoji-btn,
    .more-btn {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        z-index: 10002 !important;
        flex-shrink: 0 !important;
        min-width: 32px !important;
        min-height: 32px !important;
        width: 32px !important;
        height: 32px !important;
        padding: 0 !important;
        align-items: center !important;
        justify-content: center !important;
        background: transparent !important;
        border: none !important;
        cursor: pointer !important;
        -webkit-tap-highlight-color: transparent !important;
    }
    
    /* 确保发送按钮在所有移动设备上都可见 */
    #send-btn,
    .send-btn {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        z-index: 10002 !important;
        flex-shrink: 0 !important;
        min-width: 50px !important;
        padding: 8px 16px !important;
        height: 32px !important;
        align-items: center !important;
        justify-content: center !important;
        background: #07c160 !important;
        color: white !important;
        border: none !important;
        border-radius: 6px !important;
        font-size: 15px !important;
        box-sizing: border-box !important;
    }
    
    /* 确保输入框在所有移动设备上都可见 */
    .chat-input-box textarea,
    .chat-input-box .message-input {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        z-index: 10002 !important;
        flex: 1 !important;
        min-width: 0 !important;
        width: auto !important;
        padding: 8px 10px !important;
        font-size: 16px !important;
        border-radius: 6px !important;
        border: 1px solid #d4d4d4 !important;
        background: white !important;
        color: #333 !important;
        min-height: 32px !important;
        max-height: 120px !important;
        margin: 0 !important;
        box-sizing: border-box !important;
        resize: none !important;
        outline: none !important;
    }
    
    /* 确保语音消息在移动端可见 */
    .message-audio {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: 100% !important;
        max-width: 250px !important;
        height: 40px !important;
        position: relative !important;
        z-index: 1 !important;
        -webkit-appearance: none !important;
        appearance: none !important;
    }
    
    /* 确保音频控件在移动端可见 */
    .message-audio::-webkit-media-controls-panel {
        display: flex !important;
        visibility: visible !important;
    }
    
    .message-audio::-webkit-media-controls-play-button {
        display: inline-block !important;
        visibility: visible !important;
    }
}

@media (max-width: 768px) {
    /* 主容器 - 全屏移动端布局 */
    .main-container {
        flex-direction: column;
        height: calc(var(--vh, 100vh));
        overflow: hidden;
    }

    /* 侧边栏 - 移动端全屏覆盖 */
    .sidebar {
        width: 100%;
        height: 100%;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 1000;
        transform: translateX(0); /* 默认显示 */
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    }

    /* 当聊天窗口打开时隐藏侧边栏 */
    .sidebar.hidden {
        transform: translateX(-100%);
    }

    .sidebar.show {
        transform: translateX(0);
    }
    
    /* 侧边栏显示时，聊天区域稍微右移（可选效果） */
    .chat-area {
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .sidebar.show ~ .chat-area {
        transform: translateX(0);
    }

    /* 聊天区域 - 移动端全屏 */
    .chat-area {
        width: 100% !important;
        height: calc(var(--vh, 100vh)) !important;
        min-height: 0;
        overflow: hidden;
        position: relative;
        z-index: 999;
        display: flex !important;
        flex-direction: column;
    }
    
    /* 当侧边栏隐藏时，确保聊天区域可见 */
    .sidebar.hidden ~ .chat-area {
        z-index: 1001;
    }
    
    /* 确保输入区域始终在最上层，不被任何元素覆盖 */
    .chat-window .chat-input-area {
        z-index: 10000 !important;
    }
    
    .chat-area .chat-input-area {
        z-index: 10000 !important;
    }
    
    .chat-window {
        min-height: 0;
        overflow: hidden;
        height: calc(var(--vh, 100vh));
        display: flex !important;
        flex-direction: column;
        width: 38%;
        position: relative;
        z-index: 1001;
    }
    
    .chat-messages {
        min-height: 0;
    }

    /* 聊天头部 - 移动端样式 */
    .chat-header {
        padding: 10px 15px;
        padding-top: calc(10px + env(safe-area-inset-top));
        background: #ededed;
        border-bottom: 1px solid #d4d4d4;
        position: sticky;
        top: 0;
        position: -webkit-sticky;
        z-index: 100;
        justify-content: space-between;
        gap: 10px;
    }

    .back-btn {
        display: block !important;
        font-size: 32px;
        color: #07c160;
        padding: 0 8px;
        margin-right: 0;
    }
    
    .chat-user-info {
        flex: 1;
        min-width: 0;
        gap: 8px;
    }
    
    #chat-nickname {
        font-size: 18px;
        font-weight: 600;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    #chat-group-count {
        font-size: 12px;
        padding: 2px 8px;
    }
    
    .chat-actions {
        gap: 4px;
        flex-shrink: 0;
    }
    
    .chat-action-btn {
        width: 30px !important;
        height: 30px !important;
        font-size: 12px !important;
        padding: 0 !important;
    }
    
    .chat-action-btn.with-label {
        width: auto !important;
        min-width: 0 !important;
        padding: 0 10px !important;
        font-size: 12px !important;
    }
    
    .friend-profile-alias {
        flex-direction: column;
    }
    
    .friend-profile-alias .alias-actions {
        flex-direction: column;
    }
    
    .friend-profile-alias .alias-actions button {
        width: 100%;
    }

    /* 消息区域 - 移动端优化 */
    .chat-messages {
        padding: 15px 12px;
        padding-bottom: 100px !important; /* 为输入框留出更多空间 */
        margin-bottom: 0 !important;
        overflow-x: visible !important;
        overflow-y: auto !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    
    body.ios-device .chat-window {
        overflow: visible;
    }
    
    body.ios-device .chat-header {
        position: fixed;
        top: env(safe-area-inset-top);
        left: 0;
        right: 0;
        width: 100%;
        z-index: 10002;
        padding-top: calc(6px + env(safe-area-inset-top));
    }
    
    body.ios-device .chat-messages {
        padding-top: calc(128px + env(safe-area-inset-top));
    }
    
    /* 微信风格：时间显示在消息上方中间 - 移动端 */
    .message-item {
        margin-bottom: 15px;
        display: flex !important; /* 确保消息项可见 */
        align-items: flex-start;
        gap: 10px;
        position: relative;
        width: 100%;
        min-height: 40px;
        padding-top: 18px;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* 自己发送的消息 - 右对齐，完全重写避免冲突 */
    .message-item.self {
        /* 完全重置，确保与普通消息相同的基础样式 */
        margin-bottom: 15px !important;
        display: flex !important;
        align-items: flex-start !important;
        gap: 10px !important;
        position: relative !important;
        width: 100% !important;
        max-width: 100% !important;
        min-height: 40px !important;
        padding-top: 18px !important;
        visibility: visible !important;
        opacity: 1 !important;
        left: 0 !important;
        right: 0 !important;
        top: auto !important;
        bottom: auto !important;
        transform: none !important;
        -webkit-transform: none !important;
        z-index: 1 !important;
        
        /* 右对齐样式 */
        flex-direction: row !important;
        justify-content: flex-end !important;
        margin-left: auto !important;
        margin-right: 0 !important;
    }
    
    .message-time-header {
        top: 0;
        font-size: 10px;
        padding: 1px 6px;
        background: rgba(0, 0, 0, 0.05);
    }

    .message-content {
        max-width: 100% !important;
        min-width: 0 !important;
        padding: 10px 12px;
        border-radius: 8px;
        background: white !important;
        color: #333 !important;
        position: relative;
        word-wrap: break-word;
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
        margin: 0;
        overflow: visible;
        display: inline-block !important;
        width: fit-content;
        min-width: 50px !important; /* 确保最小宽度 */
        visibility: visible !important;
        opacity: 1 !important;
        box-sizing: border-box !important;
    }

    .message-item.self .message-content:not(.wallet-card-container) {
        /* 仅普通文本气泡使用绿色背景，卡片类消息不受影响 */
        background: #95ec69 !important; /* 微信绿色背景（仅普通文本气泡） */
        color: #333 !important; /* 确保文字可见 */
        border-radius: 8px;
    }
    
    /* 自己发送的红包、转账等卡片消息容器，保持透明 */
    .message-content.wallet-card-container {
        background: transparent !important;
    }
    
    /* 确保消息文字颜色可见 */
    .message-text {
        color: #333 !important;
    }
    
    .message-item.self .message-text {
        color: #333 !important;
    }
    
    /* 确保消息头像可见 */
    .message-avatar {
        width: 35px !important;
        height: 35px !important;
        border-radius: 3px;
        background: #ddd;
        flex-shrink: 0;
        object-fit: cover;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* 强制确保所有消息相关元素可见 - 最高优先级 */
    #chat-messages .message-item {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: 100% !important;
        max-width: 100% !important;
        position: relative !important;
        left: 0 !important;
        right: 0 !important;
        transform: none !important;
    }
    
    /* 自己发送的消息 - 强制显示和右对齐 */
    #chat-messages .message-item.self {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: 100% !important;
        max-width: 100% !important;
        position: relative !important;
        flex-direction: row !important;
        justify-content: flex-end !important;
        align-items: flex-start !important;
        margin-left: auto !important;
        margin-right: 0 !important;
        left: 0 !important;
        right: 0 !important;
        top: auto !important;
        bottom: auto !important;
        transform: none !important;
        -webkit-transform: none !important;
        z-index: 1 !important;
    }
    
    #chat-messages .message-content-wrapper {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        max-width: 88% !important;
        min-width: 0 !important;
    }
    
    #chat-messages .message-content:not(.wallet-card-container) {
        display: inline-block !important;
        visibility: visible !important;
        opacity: 1 !important;
        background: #95ec69 !important;
        color: #333 !important;
    }
    
    #chat-messages .message-item.self .message-content:not(.wallet-card-container) {
        background: #95ec69 !important;
        color: #333 !important;
    }
    
    #chat-messages .message-text,
    #chat-messages .message-emoji {
        color: #333 !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    #chat-messages .message-avatar {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }

    .message-content-wrapper {
        display: flex !important;
        flex-direction: column;
        max-width: 88% !important;
        min-width: 0 !important; /* 允许缩小 */
        gap: 4px;
        position: relative;
        visibility: visible !important;
        opacity: 1 !important;
        flex-shrink: 1 !important;
    }
    
    .message-item.self .message-content-wrapper {
        max-width: 88% !important;
        min-width: 0 !important;
        margin-left: auto;
        margin-right: 0 !important; /* 确保不超出屏幕 */
        align-items: flex-end;
        flex-shrink: 1 !important;
    }

    .message-content.wallet-card-container {
        max-width: 100%;
    }
    
    /* 临时移除 iOS 焦点覆盖，测试系统默认样式 */
    
    /* 移动端未读红点 */
    .message-content-wrapper .unread-dot {
        width: 6px;
        height: 6px;
        right: -8px;
        top: 8px;
    }

    /* 输入区域 - 移动端优化 - 最高优先级 */
    .chat-input-area {
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        background: #ffffff !important;
        background-color: #ffffff !important;
        background-image: none !important;
        border-top: 1px solid #d4d4d4 !important;
        padding: 8px 12px !important;
        padding-bottom: calc(8px + env(safe-area-inset-bottom)) !important;
        z-index: 99999 !important; /* 非常高的z-index确保在最上层 */
        display: flex !important;
        flex-direction: column !important;
        align-items: stretch !important;
        box-sizing: border-box !important;
        min-height: 50px !important; /* 确保有最小高度 */
        max-height: 200px !important; /* 限制最大高度 */
        overflow: visible !important;
        visibility: visible !important;
        opacity: 1 !important;
        /* iOS Safari 硬件加速和固定定位修复 */
        transform: translate3d(0, 0, 0) !important;
        -webkit-transform: translate3d(0, 0, 0) !important;
        -webkit-backface-visibility: hidden !important;
        backface-visibility: hidden !important;
        will-change: transform !important;
        -webkit-overflow-scrolling: touch !important;
        /* 防止被其他样式覆盖 */
        pointer-events: auto !important;
        -webkit-pointer-events: auto !important;
    }
    
    body.ios-device .chat-input-area {
        background: #ffffff !important;
        background-color: #ffffff !important;
        box-shadow: 0 -6px 24px rgba(0, 0, 0, 0.12);
    }
    
    /* 确保输入区域的所有子元素都可见，但不改变背景色 */
    .chat-input-area > * {
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* 确保输入区域本身不会变成深灰色 */
    .chat-input-area::before,
    .chat-input-area::after {
        display: none !important;
        background: none !important;
    }
    
    /* 移除输入框上方的灰色背景 */
    .chat-input-area::before,
    .chat-input-area::after {
        display: none !important;
        background: none !important;
    }
    
    /* 确保表情选择器和更多菜单不会影响布局 */
    .emoji-picker,
    .more-menu {
        position: absolute;
        bottom: 100%;
        left: 0;
        right: 0;
        background: white !important;
        background-color: white !important; /* 确保背景是白色，不是灰色 */
        border-top: 1px solid #d4d4d4;
        z-index: 201;
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1) !important; /* 添加阴影以区分 */
    }
    
    /* 确保表情选择器和更多菜单不显示灰色背景 */
    .emoji-picker *,
    .more-menu * {
        background: transparent !important;
    }
    
    /* 确保表情选择器和更多菜单没有灰色背景的伪元素 */
    .emoji-picker::before,
    .emoji-picker::after,
    .more-menu::before,
    .more-menu::after {
        display: none !important;
        background: none !important;
    }

    .chat-input-box {
        gap: 6px !important;
        display: flex !important;
        align-items: center !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        box-sizing: border-box !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        z-index: 100001 !important; /* 确保在输入区域之上 */
        min-height: 40px !important; /* 确保有最小高度 */
        flex-shrink: 0 !important; /* 防止被压缩 */
    }
    
    /* 确保即使有hidden类，在移动端也显示 */
    .chat-input-box.hidden {
        display: none !important;
    }
    
    /* 但确保当前激活的输入模式始终可见 */
    #text-input-mode:not(.hidden),
    #voice-input-mode:not(.hidden) {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* 确保所有输入相关的容器背景都是透明或正确的颜色 */
    .chat-input-box,
    #text-input-mode,
    #voice-input-mode,
    .voice-input-mode {
        background: transparent !important;
        background-color: transparent !important;
    }
    
    /* 确保输入框容器及其所有子元素都可见，且背景正确 */
    .chat-input-box * {
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* 确保所有输入相关的容器没有灰色背景的伪元素 */
    .chat-input-box::before,
    .chat-input-box::after,
    #text-input-mode::before,
    #text-input-mode::after,
    #voice-input-mode::before,
    #voice-input-mode::after,
    .voice-input-mode::before,
    .voice-input-mode::after {
        display: none !important;
        background: none !important;
        content: none !important;
    }
    
    /* 确保输入框容器正确对齐 */
    #text-input-mode {
        display: flex !important;
        align-items: center !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        box-sizing: border-box !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        z-index: 100001 !important; /* 确保在输入区域之上 */
        min-height: 40px !important; /* 确保有最小高度 */
        flex-shrink: 0 !important; /* 防止被压缩 */
        gap: 6px !important;
        background: transparent !important;
        background-color: transparent !important; /* 确保背景透明，不是灰色 */
    }
    
    /* 确保text-input-mode即使被JavaScript隐藏也能显示（除非有hidden类） */
    #text-input-mode:not(.hidden) {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        background: transparent !important;
        background-color: transparent !important;
    }
    
    /* 当text-input-mode有hidden类时，确保隐藏 */
    #text-input-mode.hidden {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
    }
    
    /* 确保text-input-mode没有灰色背景的伪元素 */
    #text-input-mode::before,
    #text-input-mode::after {
        display: none !important;
        background: none !important;
    }
    
    #voice-input-mode {
        align-items: center !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        box-sizing: border-box !important;
        position: relative !important;
        z-index: 100001 !important; /* 确保在输入区域之上 */
        background: transparent !important;
        background-color: transparent !important; /* 确保背景透明，不是灰色 */
        display: none !important; /* 默认隐藏，只有点击喇叭后才显示 */
        visibility: hidden !important; /* 默认隐藏 */
        opacity: 0 !important; /* 默认隐藏 */
    }
    
    /* 当voice-input-mode被激活时显示 */
    #voice-input-mode.show,
    #voice-input-mode[style*="flex"],
    #voice-input-mode:not(.hidden) {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        background: transparent !important;
        background-color: transparent !important; /* 确保背景透明，不是灰色 */
    }
    
    /* 当voice-input-mode有hidden类时，确保隐藏 */
    #voice-input-mode.hidden {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
    }
    
    /* 确保语音输入模式内的所有元素都可见，且背景正确 */
    #voice-input-mode.show *,
    #voice-input-mode[style*="flex"] * {
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* 确保voice-input-mode没有灰色背景的伪元素 */
    #voice-input-mode::before,
    #voice-input-mode::after {
        display: none !important;
        background: none !important;
    }

    .voice-mode-toggle,
    .emoji-btn,
    .more-btn {
        width: 36px !important;
        height: 36px !important;
        font-size: 18px !important;
        padding: 0 !important;
        flex-shrink: 0 !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        z-index: 100002 !important; /* 非常高的z-index */
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        background: transparent !important;
        border: none !important;
        cursor: pointer !important;
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1) !important;
        min-width: 36px !important;
        min-height: 36px !important;
    }
    
    /* 确保所有按钮在移动端都可见 */
    #voice-mode-toggle,
    #voice-mode-toggle-voice,
    #emoji-btn,
    #more-btn {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        z-index: 100002 !important; /* 非常高的z-index */
        background: transparent !important;
        border: none !important;
        flex-shrink: 0 !important;
        min-width: 36px !important;
        min-height: 36px !important;
        width: 36px !important;
        height: 36px !important;
    }
    
    /* 发送按钮单独设置 */
    #send-btn {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        z-index: 100002 !important; /* 非常高的z-index */
        background: #07c160 !important;
        color: white !important;
        border: none !important;
        flex-shrink: 0 !important;
        min-width: 50px !important;
        height: 36px !important;
        padding: 8px 16px !important;
    }
    
    /* 确保所有输入相关按钮都可见 */
    .voice-mode-toggle,
    .emoji-btn,
    .more-btn,
    .send-btn {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        z-index: 10002 !important;
    }

    .chat-input-box textarea,
    .chat-input-box .message-input {
        padding: 8px 10px !important;
        font-size: 16px !important; /* 防止iOS自动缩放 - 必须16px或更大 */
        border-radius: 6px !important;
        max-height: 120px !important;
        min-height: 36px !important; /* 增加最小高度 */
        flex: 1 !important;
        margin: 0 !important;
        box-sizing: border-box !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        z-index: 100002 !important; /* 确保在最上层 */
        background: white !important;
        background-color: white !important; /* 确保背景是白色 */
        border: 1px solid #d4d4d4 !important;
        display: block !important;
        width: auto !important;
        min-width: 50px !important; /* 确保有最小宽度 */
        /* iOS Safari 输入框修复 - 彻底移除默认样式 */
        -webkit-appearance: none !important;
        -webkit-border-radius: 6px !important;
        appearance: none !important;
        -webkit-tap-highlight-color: transparent !important;
        -webkit-touch-callout: default !important;
        -webkit-user-select: text !important;
        user-select: text !important;
        /* iOS Safari 防止自动缩放 */
        transform: scale(1) !important;
        -webkit-transform: scale(1) !important;
        /* 移除所有可能的灰色背景 */
        -webkit-box-shadow: none !important;
        box-shadow: none !important;
    }
    
    /* 确保输入框获得焦点时背景也是白色，不是灰色 */
    .chat-input-box textarea:focus,
    .chat-input-box .message-input:focus {
        background: white !important;
        background-color: white !important;
        border-color: #07c160 !important;
        outline: none !important;
        box-shadow: none !important;
        -webkit-box-shadow: none !important;
        -webkit-appearance: none !important;
        appearance: none !important;
        /* iOS Safari 焦点状态特殊处理 */
        -webkit-tap-highlight-color: transparent !important;
    }
    
    /* 确保输入框激活状态也是白色 */
    .chat-input-box textarea:active,
    .chat-input-box .message-input:active {
        background: white !important;
        background-color: white !important;
    }
    
    /* 移除输入框的所有伪元素，防止灰色背景 */
    .chat-input-box textarea::before,
    .chat-input-box textarea::after,
    .chat-input-box .message-input::before,
    .chat-input-box .message-input::after,
    #message-input::before,
    #message-input::after {
        display: none !important;
        background: none !important;
        content: none !important;
    }

    .send-btn {
        padding: 8px 16px !important;
        font-size: 15px !important;
        border-radius: 6px !important;
        height: 36px !important; /* 与输入框高度匹配 */
        flex-shrink: 0 !important;
        box-sizing: border-box !important;
        z-index: 100002 !important; /* 确保在最上层 */
        visibility: visible !important;
        opacity: 1 !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        position: relative !important;
        min-width: 50px !important;
        background: #07c160 !important;
        color: white !important;
        border: none !important;
        cursor: pointer !important;
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1) !important;
    }
    
    .more-menu {
        bottom: 50px;
        right: 8px;
        min-width: 180px;
    }
    
    .more-menu-item {
        padding: 10px 6px;
        min-width: 50px;
    }
    
    .more-menu-icon {
        font-size: 24px;
    }

    /* 语音输入按钮 - 移动端优化 */
    .voice-input-mode {
        padding: 0 !important;
        align-items: center !important;
        width: 100% !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        z-index: 100001 !important; /* 提高z-index确保在最上层 */
        background: transparent !important;
        background-color: transparent !important; /* 确保背景透明，不是灰色 */
    }
    
    /* 确保语音输入模式显示时，按钮也显示 */
    .voice-input-mode.show,
    .voice-input-mode[style*="flex"],
    #voice-input-mode:not(.hidden) {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        background: transparent !important;
        background-color: transparent !important; /* 确保背景透明，不是灰色 */
        z-index: 100001 !important;
    }
    
    /* 当voice-input-mode有hidden类时，确保隐藏 */
    .voice-input-mode.hidden,
    #voice-input-mode.hidden {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
    }
    
    /* 确保voice-input-mode没有灰色背景的伪元素 */
    .voice-input-mode::before,
    .voice-input-mode::after {
        display: none !important;
        background: none !important;
    }
    
    .voice-input-mode.show .voice-input-btn,
    .voice-input-mode[style*="flex"] .voice-input-btn {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }

    .voice-input-btn,
    #voice-input-btn {
        min-height: 32px !important;
        height: 32px !important;
        padding: 8px 16px !important;
        border-radius: 6px !important;
        flex-direction: row !important;
        gap: 10px !important;
        background: #ffffff !important;
        background-color: #ffffff !important; /* 确保背景是白色，不是灰色 */
        border: 1px solid #d4d4d4 !important;
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05) !important;
        visibility: visible !important;
        opacity: 1 !important;
        display: flex !important;
        position: relative !important;
        z-index: 10002 !important;
        flex: 1 !important;
        width: auto !important;
    }
    
    /* 确保语音输入按钮没有灰色背景的伪元素 */
    .voice-input-btn::before,
    .voice-input-btn::after,
    #voice-input-btn::before,
    #voice-input-btn::after {
        display: none !important;
        background: none !important;
    }

    .voice-icon {
        font-size: 18px !important;
    }

    .voice-text {
        font-size: 15px !important;
        font-weight: 500 !important;
    }
    
    .voice-input-btn.recording {
        min-height: 32px !important;
        height: 32px !important;
        box-shadow: 0 2px 8px rgba(255, 68, 68, 0.4) !important;
    }
    
    .voice-input-btn.recording .voice-icon {
        font-size: 18px !important;
    }
    
    .audio-player {
        min-width: 160px;
        max-width: 240px;
        padding: 8px 12px;
    }
    
    .audio-play-btn {
        width: 36px;
        height: 36px;
    }
    
    .audio-speaker-icon {
        width: 18px;
        height: 18px;
    }
    
    .audio-time {
        font-size: 12px;
    }

    /* 好友列表 - 移动端优化 */
    .friends-list {
        padding: 0;
    }

    .friend-item {
        padding: 12px 15px;
        cursor: pointer;
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
        user-select: none;
        -webkit-user-select: none;
        touch-action: manipulation;
    }

    .friend-item .avatar {
        width: 50px;
        height: 50px;
    }

    .friend-name {
        font-size: 16px;
    }

    .friend-last-msg {
        font-size: 13px;
    }

    /* 侧边栏头部 - 移动端 */
    .sidebar-header {
        padding: 12px 15px;
        padding-top: calc(12px + env(safe-area-inset-top));
    }

    .user-info {
        gap: 10px;
    }

    .user-info .avatar {
        width: 40px;
        height: 40px;
    }

    /* 搜索框 - 移动端 */
    .search-box {
        padding: 10px 15px;
    }

    .search-box input {
        padding: 10px 15px;
        font-size: 15px;
    }

    /* 登录界面 - 移动端 */
    .login-container {
        padding: 20px;
    }

    .login-box {
        width: 100%;
        max-width: 100%;
        padding: 30px 20px;
        border-radius: 0;
    }

    /* 表情选择器 - 移动端 */
    .emoji-picker {
        position: fixed !important;
        bottom: 60px !important;
        left: 0 !important;
        right: 0 !important;
        max-height: 300px !important;
        display: none;
        z-index: 10001 !important;
        background: white !important;
        border-radius: 0;
        border-top: 1px solid #d4d4d4;
    }

    .emoji-grid {
        padding: 10px;
        gap: 8px;
    }

    .emoji-item {
        width: 40px;
        height: 40px;
        font-size: 24px;
    }

    /* 语音录制提示 - 移动端 */
    .voice-recorder {
        position: fixed;
        bottom: 80px;
        left: 50%;
        transform: translateX(-50%);
        width: 90%;
        max-width: 300px;
        border-radius: 12px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        display: none !important; /* 默认隐藏，避免显示灰色背景 */
    }
    
    /* 只有当正在录音时才显示 */
    .voice-recorder[style*="block"],
    .voice-recorder[style*="flex"] {
        display: block !important;
    }

    /* 消息头像 - 移动端 */
    .message-avatar {
        width: 40px;
        height: 40px;
    }

    /* 模态框 - 移动端 */
    .modal {
        padding: 0;
    }

    .modal-content {
        width: 100%;
        max-width: 100%;
        height: 100%;
        max-height: 100%;
        border-radius: 0;
    }

    /* 图片模态框 - 移动端 */
    .image-modal {
        padding: 0;
    }

    .image-modal-content {
        width: 100%;
        height: 100%;
        border-radius: 0;
        gap: 20px;
        padding-bottom: 20px;
    }

    .image-modal-content img {
        max-height: calc(100vh - 100px);
    }

    .image-modal-close {
        font-size: 18px;
        padding: 12px 40px;
    }
}

/* 超小屏幕优化 */
@media (max-width: 375px) {
    .voice-input-btn {
        min-height: 120px;
        padding: 20px;
    }

    .voice-icon {
        font-size: 48px;
    }

    .voice-text {
        font-size: 16px;
    }

    .message-content {
        max-width: 80%;
    }
}

/* 横屏模式 */
@media (max-width: 768px) and (orientation: landscape) {
    .chat-input-area {
        padding-bottom: calc(8px + env(safe-area-inset-bottom));
    }
    
    /* iOS Safari 特殊修复 - 防止键盘弹出时布局错乱 */
    @supports (-webkit-touch-callout: none) {
        body {
            position: fixed;
            width: 100%;
            height: 100%;
            overflow: hidden;
        }
        
        .main-container {
            position: fixed;
            width: 100%;
            height: 100%;
            overflow: hidden;
        }
        
        .chat-area {
            position: fixed;
            width: 100%;
            height: 100%;
            overflow: hidden;
        }
        
        .chat-messages {
            overflow-y: auto;
            -webkit-overflow-scrolling: touch;
            height: calc(100% - 60px - 80px); /* 减去头部和输入区域高度 */
        }
        
        /* iOS Safari 输入框修复 */
        #message-input:focus {
            font-size: 16px !important; /* 防止iOS自动缩放 */
            transform: scale(1) !important;
            -webkit-transform: scale(1) !important;
            background: white !important;
            background-color: white !important;
            -webkit-appearance: none !important;
            appearance: none !important;
            -webkit-box-shadow: none !important;
            box-shadow: none !important;
        }
        
        #message-input:active {
            background: white !important;
            background-color: white !important;
        }
    }

    .voice-input-btn {
        min-height: 100px;
        padding: 15px;
    }
}

/* ========== 最高优先级：强制显示自己发送的消息 ========== */
/* 放在文件末尾，确保覆盖所有其他样式 */
@media (max-width: 768px) {
    /* 强制显示自己发送的消息 - 最高优先级 */
    #chat-messages .message-item.self,
    .chat-messages .message-item.self,
    .message-item.self {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: 100% !important;
        max-width: 100% !important;
        position: relative !important;
        flex-direction: row !important;
        justify-content: flex-end !important;
        align-items: flex-start !important;
        margin-left: auto !important;
        margin-right: 0 !important;
        left: 0 !important;
        right: 0 !important;
        top: auto !important;
        bottom: auto !important;
        transform: none !important;
        -webkit-transform: none !important;
        z-index: 1 !important;
        height: auto !important;
        min-height: 40px !important;
        padding: 18px 0 0 0 !important;
        margin-bottom: 15px !important;
        gap: 10px !important;
    }
    
    /* 强制显示消息内容 */
    #chat-messages .message-item.self .message-content-wrapper,
    .chat-messages .message-item.self .message-content-wrapper,
    .message-item.self .message-content-wrapper {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        max-width: 88% !important;
        min-width: 0 !important;
        margin-left: auto !important;
        margin-right: 0 !important;
        align-items: flex-end !important;
    }
    
    /* 强制显示消息气泡（红包/转账等卡片消息不设置绿色背景） */
    #chat-messages .message-item.self .message-content:not(.wallet-card-container),
    .chat-messages .message-item.self .message-content:not(.wallet-card-container),
    .message-item.self .message-content:not(.wallet-card-container) {
        display: inline-block !important;
        visibility: visible !important;
        opacity: 1 !important;
        background: #95ec69 !important;
        color: #333 !important;
        padding: 10px 12px !important;
        border-radius: 8px !important;
        min-width: 50px !important;
    }
    
    /* 强制显示消息文字 */
    #chat-messages .message-item.self .message-text,
    .chat-messages .message-item.self .message-text,
    .message-item.self .message-text,
    #chat-messages .message-item.self .message-emoji,
    .chat-messages .message-item.self .message-emoji,
    .message-item.self .message-emoji {
        color: #333 !important;
        visibility: visible !important;
        opacity: 1 !important;
        display: block !important;
    }
    
    /* 强制显示头像 */
    #chat-messages .message-item.self .message-avatar,
    .chat-messages .message-item.self .message-avatar,
    .message-item.self .message-avatar {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: 35px !important;
        height: 35px !important;
    }
}

/* ========== 最终修复：确保 .self 类不会导致消息隐藏 ========== */
/* 放在文件最末尾，使用最高优先级选择器 */
@media (max-width: 768px) {
    /* 完全重写 .message-item.self，确保与普通消息完全相同，只添加右对齐 */
    #chat-messages .message-item.self {
        /* 继承普通消息的所有样式 */
        margin-bottom: 15px !important;
        display: flex !important;
        align-items: flex-start !important;
        gap: 10px !important;
        position: relative !important;
        width: 100% !important;
        max-width: 100% !important;
        min-height: 40px !important;
        padding-top: 18px !important;
        visibility: visible !important;
        opacity: 1 !important;
        left: 0 !important;
        right: 0 !important;
        top: auto !important;
        bottom: auto !important;
        transform: none !important;
        -webkit-transform: none !important;
        z-index: 1 !important;
        height: auto !important;
        overflow: visible !important;
        
        /* 只添加右对齐 */
        flex-direction: row !important;
        justify-content: flex-end !important;
        margin-left: auto !important;
        margin-right: 0 !important;
    }
    
    /* 确保消息内容可见 */
    #chat-messages .message-item.self .message-content-wrapper {
        display: flex !important;
        flex-direction: column !important;
        max-width: 88% !important;
        min-width: 0 !important;
        margin-left: auto !important;
        margin-right: 0 !important;
        align-items: flex-end !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    #chat-messages .message-item.self .message-content:not(.wallet-card-container) {
        display: inline-block !important;
        background: #95ec69 !important;
        color: #333 !important;
        padding: 10px 12px !important;
        border-radius: 8px !important;
        visibility: visible !important;
        opacity: 1 !important;
        min-width: 50px !important;
    }
    
    #chat-messages .message-item.self .message-text,
    #chat-messages .message-item.self .message-emoji {
        color: #333 !important;
        visibility: visible !important;
        opacity: 1 !important;
        display: block !important;
    }
    
    #chat-messages .message-item.self .message-avatar {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: 35px !important;
        height: 35px !important;
    }
}