/* 移动端聊天页面修复样式 */
@media (max-width: 768px) {
    .chat-container {
        height: calc(100vh - 40px) !important;
        margin: 20px 10px !important;
        display: flex !important;
        flex-direction: column !important;
    }
    
    .sessions-sidebar {
        width: 100% !important;
        display: flex !important;
        flex-direction: column !important;
        height: 100% !important;
    }
    
    .sessions-sidebar.mobile-hide {
        display: none !important;
    }
    
    .sessions-list {
        flex: 1 !important;
        overflow-y: auto !important;
        min-height: 200px !important;
        padding: 10px !important;
    }
    
    .session-item {
        display: block !important;
        padding: 15px !important;
        border-bottom: 1px solid #eee !important;
        background: white !important;
        margin-bottom: 8px !important;
        border-radius: 8px !important;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1) !important;
        min-height: 80px !important;
        cursor: pointer !important;
    }
    
    .session-item:hover {
        background: #f8f9fa !important;
    }
    
    .session-item.active {
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%) !important;
        border-left: 4px solid #667eea !important;
    }
    
    .session-title {
        font-weight: bold !important;
        margin-bottom: 8px !important;
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        color: #333 !important;
    }
    
    .session-preview {
        color: #666 !important;
        font-size: 14px !important;
        margin-bottom: 5px !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        white-space: nowrap !important;
    }
    
    .session-time {
        color: #999 !important;
        font-size: 12px !important;
    }
    
    .chat-area {
        display: none !important;
        width: 100% !important;
        height: 100% !important;
    }
    
    .chat-area.mobile-show {
        display: flex !important;
        flex-direction: column !important;
    }
    
    /* 确保消息列表可见 */
    .sessions-list > div {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* 空状态样式 */
    .sessions-list .empty-state {
        display: block !important;
        padding: 40px 20px !important;
        text-align: center !important;
        color: #666 !important;
        background: white !important;
        border-radius: 8px !important;
        margin: 20px !important;
    }
}