/**
 * Claude AI 聊天前台樣式
 */

/* 主容器 */
.cac-chat-container {
    display: flex;
    width: 100%;
    height: 850px; /* 增加高度，从700px改为850px */
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin: 20px 0;
    position: relative;
    transition: all 0.3s ease;
}

/* 全屏模式 */
.cac-chat-container.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    margin: 0;
    z-index: 9999;
    border-radius: 0;
    border: none;
}

/* 側邊欄 */
.cac-sidebar {
    width: 280px;
    background-color: #f9f9f9;
    border-right: 1px solid #e0e0e0;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.cac-sidebar-header {
    padding: 16px;
    border-bottom: 1px solid #e0e0e0;
}

.cac-new-chat-btn {
    width: 100%;
    padding: 10px;
    background-color: #7e57c2;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.2s;
}

.cac-new-chat-btn:hover {
    background-color: #6a48b0;
}

.cac-conversations-list {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

.cac-conversation-item {
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: background-color 0.2s;
    display: flex;
    flex-direction: column;
}

.cac-conversation-item:hover {
    background-color: #f0f0f0;
}

.cac-conversation-item.active {
    background-color: #e6e1f9;
}

.cac-conversation-title {
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cac-conversation-date {
    font-size: 12px;
    color: #888;
    margin-top: 4px;
}

.cac-sidebar-footer {
    padding: 16px;
    border-top: 1px solid #e0e0e0;
    font-size: 14px;
}

.cac-user-info {
    display: block;
    text-align: center;
    font-weight: 500;
}

/* 主面板 */
.cac-main-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* 頂欄 */
.cac-topbar {
    padding: 16px;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.cac-toggle-sidebar {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: #444;
}

.cac-conversation-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    flex: 1;
    text-align: center;
}

.cac-topbar-actions {
    display: flex;
    gap: 10px;
}

.cac-delete-chat-btn,
.cac-fullscreen-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: #555;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.cac-delete-chat-btn:hover,
.cac-fullscreen-btn:hover {
    background-color: #f0f0f0;
}

/* 聊天區域 */
.cac-chat-area {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background-color: #f9fafb;
}

/* 歡迎屏幕 */
.cac-welcome-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 100%;
    padding: 0 20px;
}

.cac-welcome-logo {
    margin-bottom: 20px;
}

.cac-welcome-logo img {
    width: 80px;
    height: 80px;
}

.cac-welcome-screen h2 {
    margin-bottom: 10px;
    font-size: 24px;
    color: #333;
}

.cac-welcome-screen p {
    max-width: 600px;
    margin-bottom: 30px;
    color: #666;
    line-height: 1.6;
}

.cac-welcome-examples {
    width: 100%;
    max-width: 600px;
}

.cac-welcome-examples h3 {
    margin-bottom: 15px;
    font-size: 16px;
    color: #555;
}

.cac-example-queries {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cac-example-query {
    padding: 12px 16px;
    background-color: #f0f0f0;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    text-align: left;
    transition: background-color 0.2s;
}

.cac-example-query:hover {
    background-color: #e8e8e8;
}

/* 消息容器 */
.cac-messages-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* 消息樣式 */
.cac-message {
    display: flex;
    gap: 12px;
    max-width: 95%; /* 增加最大宽度，从90%改为95% */
}

.cac-user-message {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.cac-assistant-message {
    align-self: flex-start;
}

.cac-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cac-user-avatar {
    background-color: #7e57c2;
    color: white;
}

.cac-assistant-avatar {
    background-color: #f5f5f5;
    overflow: hidden;
}

.cac-assistant-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cac-message-content {
    background-color: #ffffff;
    padding: 16px 20px; /* 增加内边距，从12px 16px改为16px 20px */
    border-radius: 12px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    position: relative;
    max-width: 95%; /* 增加最大宽度 */
}

.cac-user-message .cac-message-content {
    background-color: #7e57c2;
    color: white;
}

.cac-message-text {
    line-height: 1.6; /* 增加行高，从1.5改为1.6 */
    word-break: break-word;
    font-size: 14px; /* 增加字体大小到14px */
}

/* 文件上传提示样式 */
.cac-message-file-indicator {
    font-size: 12px;
    margin-top: 8px;
    padding: 4px 8px;
    background-color: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
    display: inline-block;
}

.cac-user-message .cac-message-file-indicator {
    background-color: rgba(255, 255, 255, 0.15);
}

/* 代碼塊樣式 */
.cac-code-block {
    margin: 10px 0;
    border-radius: 6px;
    overflow: hidden;
    background-color: #f8f8f8;
    border: 1px solid #e0e0e0;
    font-family: monospace;
    width: 100%; /* 确保代码块占满宽度 */
}

.cac-user-message .cac-code-block {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.cac-code-filename {
    padding: 4px 12px;
    background-color: #f0f0f0;
    color: #555;
    font-size: 12px;
    border-bottom: 1px solid #e0e0e0;
}

.cac-user-message .cac-code-filename {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.9);
}

.cac-code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background-color: #f0f0f0;
    border-bottom: 1px solid #e0e0e0;
}

.cac-user-message .cac-code-header {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
}

.cac-code-language {
    font-size: 12px;
    color: #555;
    text-transform: uppercase;
}

.cac-user-message .cac-code-language {
    color: rgba(255, 255, 255, 0.9);
}

.cac-code-actions {
    display: flex;
    gap: 8px;
}

.cac-code-copy-btn,
.cac-code-download-btn {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 12px;
    cursor: pointer;
    color: #333;
    transition: all 0.2s;
}

.cac-user-message .cac-code-copy-btn,
.cac-user-message .cac-code-download-btn {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    color: white;
}

.cac-code-copy-btn:hover,
.cac-code-download-btn:hover {
    background-color: #7e57c2;
    border-color: #7e57c2;
    color: white;
}

.cac-user-message .cac-code-copy-btn:hover,
.cac-user-message .cac-code-download-btn:hover {
    background-color: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}

.cac-code-copy-btn.cac-copied {
    background-color: #4caf50;
    border-color: #4caf50;
    color: white;
}

.cac-user-message .cac-code-copy-btn.cac-copied {
    background-color: rgba(76, 175, 80, 0.6);
    border-color: rgba(76, 175, 80, 0.7);
}

.cac-code-block pre {
    margin: 0;
    padding: 16px; /* 增加内边距，从12px改为16px */
    overflow-x: auto;
    background-color: #f8f8f8;
}

.cac-user-message .cac-code-block pre {
    background-color: rgba(0, 0, 0, 0.1);
}

.cac-code-block code {
    display: block;
    font-family: monospace;
    line-height: 1.6; /* 增加行高 */
    color: #333;
    font-size: 14px; /* 增加代码字体大小 */
}

.cac-user-message .cac-code-block code {
    color: rgba(255, 255, 255, 0.9);
}

/* 行內代碼樣式 */
.cac-message-text code:not(.cac-code-block code) {
    font-family: monospace;
    padding: 2px 4px;
    background-color: #f8f8f8;
    border-radius: 3px;
    font-size: 14px; /* 增加行内代码字体大小 */
}

.cac-user-message .cac-message-text code:not(.cac-code-block code) {
    background-color: rgba(255, 255, 255, 0.2);
}

/* 文件上傳樣式 */
.cac-input-actions {
    display: flex;
    align-items: center;
}

#cac-upload-btn {
    background: none;
    border: none;
    color: #7e57c2;
    cursor: pointer;
    padding: 8px;
    margin-left: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
}

#cac-upload-btn:hover {
    background-color: #f0e9fa;
}

.cac-uploaded-files {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.cac-file-item {
    display: flex;
    align-items: center;
    background-color: #f0f0f0;
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 12px;
    max-width: 220px;
}

.cac-file-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cac-file-remove {
    margin-left: 8px;
    cursor: pointer;
    color: #666;
    transition: color 0.2s;
}

.cac-file-remove:hover {
    color: #d32f2f;
}

.cac-file-icon {
    margin-right: 4px;
    color: #7e57c2;
}

/* 文件上傳對話框 */
.cac-upload-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
}

.cac-upload-content {
    position: relative;
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #ddd;
    width: 80%;
    max-width: 500px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.cac-upload-close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    margin-top: -10px;
}

.cac-upload-close:hover {
    color: black;
}

.cac-upload-status {
    margin: 15px 0;
    text-align: center;
    font-weight: 600;
}

.cac-upload-progress-container {
    width: 100%;
    height: 20px;
    background-color: #f0f0f0;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 15px;
}

.cac-upload-progress {
    height: 100%;
    background-color: #7e57c2;
    width: 0;
    transition: width 0.3s;
}

.cac-upload-file-info {
    margin-top: 15px;
    font-size: 13px;
    color: #666;
}

.cac-message-time {
    font-size: 11px;
    color: #888;
    margin-top: 5px;
    text-align: right;
}

.cac-user-message .cac-message-time {
    color: rgba(255, 255, 255, 0.8);
}

/* 思考中效果 */
.cac-thinking .cac-message-text {
    min-width: 40px;
}

.cac-thinking-indicator {
    display: flex;
    gap: 3px;
}

.cac-thinking-indicator span {
    width: 8px;
    height: 8px;
    background-color: #7e57c2;
    border-radius: 50%;
    display: inline-block;
    animation: thinking 1.4s infinite ease-in-out both;
}

.cac-thinking-indicator span:nth-child(1) {
    animation-delay: -0.32s;
}

.cac-thinking-indicator span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes thinking {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1);
    }
}

/* 錯誤消息 */
.cac-error-message .cac-message-content {
    background-color: #ffebee;
    color: #d32f2f;
}

/* 輸入區域 */
.cac-input-area {
    padding: 16px;
    border-top: 1px solid #e0e0e0;
    background-color: #fff;
}

.cac-textarea-container {
    display: flex;
    align-items: flex-end;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 10px 16px; /* 增加内边距 */
    background-color: #f9fafb;
}

#cac-message-input {
    flex: 1;
    border: none;
    outline: none;
    background: none;
    resize: none;
    font-size: 14px; /* 保持字体大小 */
    line-height: 1.6; /* 增加行高 */
    min-height: 40px; /* 设置最小高度 */
    max-height: 200px;
    overflow-y: auto;
    padding: 5px 0; /* 增加上下内边距 */
    font-family: inherit;
}

#cac-send-btn {
    background: none;
    border: none;
    color: #7e57c2;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
}

#cac-send-btn:hover {
    background-color: #f0e9fa;
}

.cac-input-footer {
    display: flex;
    flex-direction: column;
    margin-top: 8px;
}

.cac-input-info {
    font-size: 12px;
    color: #888;
    align-self: flex-end;
}

/* 加載中和錯誤提示 */
.cac-loading,
.cac-error,
.cac-empty-list {
    padding: 20px;
    text-align: center;
    color: #666;
}

.cac-error {
    color: #d32f2f;
}

/* 登錄提示 */
.cac-login-notice {
    padding: 40px 20px;
    text-align: center;
    background-color: #f9fafb;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}

.cac-login-notice a {
    color: #7e57c2;
    text-decoration: none;
    font-weight: 600;
}

.cac-login-notice a:hover {
    text-decoration: underline;
}

/* 文檔處理對話框 */
.cac-document-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
}

.cac-document-content {
    position: relative;
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #ddd;
    width: 80%;
    max-width: 500px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.cac-document-close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    margin-top: -10px;
}

.cac-document-close:hover {
    color: black;
}

.cac-document-status {
    margin: 15px 0;
    text-align: center;
    font-weight: 600;
    font-size: 14px; /* 增加字体大小 */
}

.cac-document-progress-container {
    width: 100%;
    height: 20px;
    background-color: #f0f0f0;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 15px;
}

.cac-document-progress {
    height: 100%;
    background-color: #7e57c2;
    width: 0;
    transition: width 0.3s;
}

.cac-document-info {
    margin-top: 15px;
    font-size: 14px; /* 增加字体大小 */
    color: #666;
}

/* 移除文档提示区域的样式，但保留定义以避免错误 */
.cac-document-prompt {
    display: none; /* 隐藏整个区域 */
}

/* 多文档处理相关样式 - 新增 */
.cac-documents-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.cac-document-item {
    background-color: #f5f5f5;
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 13px;
    display: flex;
    align-items: center;
    max-width: 100%;
}

.cac-document-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-right: 5px;
}

.cac-document-size {
    color: #888;
    font-size: 11px;
    white-space: nowrap;
}

.cac-document-processing-count {
    display: inline-block;
    background-color: #7e57c2;
    color: white;
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: bold;
    margin-left: 5px;
}

/* 模態框樣式（用於後台查看對話） */
.cac-modal {
    display: none;
    position: fixed;
    z-index: 999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
}

.cac-modal-content {
    position: relative;
    background-color: #fefefe;
    margin: 10% auto;
    padding: 20px;
    border: 1px solid #ddd;
    width: 80%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    border-radius: 8px;
}

.cac-modal-close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.cac-modal-close:hover {
    color: black;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .cac-chat-container {
        height: 800px; /* 调整移动端高度 */
    }
    
    .cac-sidebar {
        position: absolute;
        top: 0;
        left: 0;
        height: 100%;
        z-index: 10;
        transform: translateX(0);
        box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    }
    
    .cac-chat-container.sidebar-hidden .cac-sidebar {
        transform: translateX(-100%);
    }
    
    .cac-toggle-sidebar {
        display: block;
    }
    
    .cac-conversation-title {
        text-align: left;
        margin-left: 10px;
    }
    
    .cac-code-actions {
        flex-direction: column;
        gap: 4px;
    }
    
    .cac-upload-content {
        width: 90%;
        margin: 30% auto;
    }
    
    .cac-document-content {
        width: 90%;
        margin: 30% auto;
    }
    
    .cac-documents-list {
        flex-direction: column;
    }
}