/*qa_css*/
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(135deg, #696971FF 0%, #788090FF 100%); /* 渐变背景 */
    background-size: cover;
    color: #fff;
}

#chat-container {
    width: 50%; /* 宽度为页面的一半 */
    height: 80%; /* 高度为页面的 80% */
    display: flex;
    flex-direction: column;
    border-radius: 15px; /* 边角圆滑 */
    background-color: rgba(255, 255, 255, 0.9); /* 半透明背景 */
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2); /* 阴影效果 */
    overflow: hidden;
}

#chat-box {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    background: #f8f8f8; /* 聊天框背景 */
    border-radius: 10px;
    margin: 10px;
}

.message {
    display: flex;
    margin: 10px 0;
    padding: 10px 15px;
    border-radius: 10px;
    max-width: 75%;
    align-items: center;
    font-size: 16px;
}

.user-message {
    align-self: flex-end;
    background-color: #0084ff;
    color: white;
    flex-direction: row-reverse;
}

.bot-message {
    align-self: flex-start;
    background-color: #e5e5e5;
    color: black;
    flex-direction: row;
}

.avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    margin: 0 10px;
}

#input-container {
    display: flex;
    padding: 15px;
    border-top: 1px solid #ddd;
    background-color: #fff;
    justify-content: space-between;
    align-items: center;
}

#user-input {
    flex: 1;
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 20px;
    margin-right: 15px;
    outline: none;
    transition: all 0.3s ease;
}

#user-input:focus {
    border-color: #0084ff; /* 聚焦时边框颜色变化 */
    box-shadow: 0 0 5px rgba(0, 132, 255, 0.5); /* 聚焦时增加阴影效果 */
}

#send-button {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #0084ff;
    color: white;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
}

#send-button:hover {
    background-color: #005bb5; /* 按钮悬停时的颜色 */
    transform: scale(1.05); /* 悬停时轻微放大 */
}

.message-container {
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.message-container-right {
    justify-content: flex-end;
}


/*新添加的知识库按钮*/
#kb-actions {
    display: flex;
    justify-content: center;
    margin-top: 10px;
    margin-bottom: 5px;
}

#kb-actions button {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #56a750; /* 默认绿色 */
    color: white;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    margin: 0 10px;
    transition: all 0.3s ease;
}

#kb-actions button:hover {
    transform: scale(1.05); /* 悬停时轻微放大 */
}

#clear-knowledge {
    background-color: #dc3545; /* 红色清空按钮 */
}

#clear-knowledge:hover {
    background-color: #b22b37; /* 悬停时红色更深 */
}