实现单篇和多篇论文的对比总结

addon/content/chatpapers.css

@@ -6,12 +6,33 @@
   min-height: 320px;
   box-sizing: border-box;
   font-size: 13px;
+  -moz-user-select: text;
+  user-select: text;
 }
 
 .chatpapers-header {
   display: flex;
   flex-direction: column;
-  gap: 2px;
+  gap: 4px;
+}
+
+.chatpapers-brand {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  color: #2563eb;
+  font-weight: 700;
+  font-size: 13px;
+}
+
+.chatpapers-brand-icon {
+  flex-shrink: 0;
+}
+
+.chatpapers-title-row {
+  display: flex;
+  align-items: flex-start;
+  gap: 6px;
 }
 
 .chatpapers-title {
@@ -20,54 +41,92 @@
 }
 
 .chatpapers-meta {
+  display: flex;
+  align-items: center;
+  gap: 5px;
   opacity: 0.7;
   font-size: 12px;
 }
 
-.chatpapers-messages {
-  flex: 1;
-  min-height: 180px;
-  max-height: 420px;
-  overflow: auto;
-  border: 1px solid color-mix(in srgb, currentColor 18%, transparent);
-  border-radius: 8px;
-  padding: 8px;
+.chatpapers-meta-icon {
+  flex-shrink: 0;
+  opacity: 0.85;
+}
+
+.chatpapers-empty {
   display: flex;
   flex-direction: column;
-  gap: 8px;
-  background: color-mix(in srgb, currentColor 4%, transparent);
+  align-items: center;
+  justify-content: center;
+  gap: 6px;
+  padding: 28px 16px;
+  text-align: center;
+  opacity: 0.72;
 }
 
-.chatpapers-bubble {
-  padding: 8px 10px;
-  border-radius: 8px;
-  white-space: pre-wrap;
-  word-break: break-word;
-}
-
-.chatpapers-user {
-  background: color-mix(in srgb, #3b82f6 18%, transparent);
-  align-self: flex-end;
-  max-width: 92%;
-}
-
-.chatpapers-assistant {
-  background: color-mix(in srgb, currentColor 8%, transparent);
-  align-self: flex-start;
-  max-width: 96%;
-}
-
-.chatpapers-role {
-  font-size: 11px;
-  opacity: 0.65;
+.chatpapers-empty-icon {
+  color: #2563eb;
+  opacity: 0.85;
   margin-bottom: 4px;
+}
+
+.chatpapers-empty-title {
   font-weight: 600;
+  font-size: 13px;
+}
+
+.chatpapers-empty-desc {
+  font-size: 12px;
+  max-width: 220px;
+  line-height: 1.4;
+}
+
+.chatpapers-icon {
+  display: block;
+  flex-shrink: 0;
+}
+
+.chatpapers-role-left {
+  display: inline-flex;
+  align-items: center;
+  gap: 5px;
+}
+
+.chatpapers-role-icon {
+  opacity: 0.9;
+}
+
+.chatpapers-copy {
+  appearance: none;
+  border: 1px solid color-mix(in srgb, currentColor 22%, transparent);
+  background: color-mix(in srgb, currentColor 6%, transparent);
+  border-radius: 4px;
+  padding: 2px 6px;
+  font-size: 11px;
+  cursor: pointer;
+  color: inherit;
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+}
+
+.chatpapers-copy:hover {
+  background: color-mix(in srgb, currentColor 14%, transparent);
 }
 
 .chatpapers-status {
   min-height: 1.2em;
   font-size: 12px;
   opacity: 0.85;
+  display: flex;
+  align-items: flex-start;
+  gap: 5px;
+}
+
+.chatpapers-status-icon {
+  display: inline-flex;
+  margin-top: 1px;
+  flex-shrink: 0;
 }
 
 .chatpapers-status[data-kind="warn"] {
@@ -78,6 +137,10 @@
   color: #b91c1c;
 }
 
+.chatpapers-status[data-kind="info"] .chatpapers-status-icon {
+  color: #2563eb;
+}
+
 .chatpapers-toolbar,
 .chatpapers-actions {
   display: flex;
@@ -85,14 +148,28 @@
   gap: 6px;
 }
 
+.chatpapers-composer {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+}
+
 .chatpapers-btn {
   appearance: none;
   border: 1px solid color-mix(in srgb, currentColor 22%, transparent);
   background: color-mix(in srgb, currentColor 6%, transparent);
   border-radius: 6px;
-  padding: 4px 10px;
+  padding: 5px 10px;
   cursor: pointer;
   font: inherit;
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+  line-height: 1;
+}
+
+.chatpapers-btn-label {
+  line-height: 1.2;
 }
 
 .chatpapers-btn:hover:not(:disabled) {
@@ -114,6 +191,261 @@
   background: #1d4ed8;
 }
 
+.chatpapers-messages {
+  flex: 1;
+  min-height: 180px;
+  max-height: 420px;
+  overflow: auto;
+  border: 1px solid color-mix(in srgb, currentColor 18%, transparent);
+  border-radius: 8px;
+  padding: 8px;
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+  background: color-mix(in srgb, currentColor 4%, transparent);
+  -moz-user-select: text !important;
+  user-select: text !important;
+  cursor: text;
+  scrollbar-width: thin;
+  scrollbar-color: color-mix(in srgb, currentColor 35%, transparent) transparent;
+}
+
+.chatpapers-messages::-webkit-scrollbar {
+  width: 6px;
+  height: 6px;
+}
+
+.chatpapers-messages::-webkit-scrollbar-thumb {
+  background: color-mix(in srgb, currentColor 32%, transparent);
+  border-radius: 999px;
+}
+
+.chatpapers-messages::-webkit-scrollbar-track {
+  background: transparent;
+}
+
+.chatpapers-bubble {
+  padding: 8px 10px;
+  border-radius: 8px;
+  word-break: break-word;
+  overflow-wrap: anywhere;
+  -moz-user-select: text !important;
+  user-select: text !important;
+  cursor: text;
+}
+
+.chatpapers-bubble .chatpapers-table-wrap {
+  word-break: normal;
+  overflow-wrap: normal;
+}
+
+.chatpapers-content {
+  -moz-user-select: text !important;
+  user-select: text !important;
+  cursor: text;
+  white-space: pre-wrap;
+}
+
+.chatpapers-content.chatpapers-md {
+  white-space: normal;
+  line-height: 1.4;
+}
+
+.chatpapers-md > :first-child {
+  margin-top: 0 !important;
+}
+
+.chatpapers-md > :last-child {
+  margin-bottom: 0 !important;
+}
+
+.chatpapers-md h1,
+.chatpapers-md h2,
+.chatpapers-md h3,
+.chatpapers-md h4 {
+  margin: 0.45em 0 0.15em;
+  line-height: 1.25;
+  font-weight: 700;
+}
+
+.chatpapers-md h1 {
+  font-size: 1.15em;
+}
+
+.chatpapers-md h2 {
+  font-size: 1.08em;
+}
+
+.chatpapers-md h3,
+.chatpapers-md h4 {
+  font-size: 1.02em;
+}
+
+.chatpapers-md p {
+  margin: 0.2em 0;
+}
+
+.chatpapers-md ul,
+.chatpapers-md ol {
+  margin: 0.2em 0;
+  padding-left: 1.35em;
+}
+
+.chatpapers-md li {
+  margin: 0;
+}
+
+.chatpapers-md li + li {
+  margin-top: 0.1em;
+}
+
+.chatpapers-md code {
+  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
+  font-size: 0.92em;
+  padding: 0.05em 0.3em;
+  border-radius: 4px;
+  background: color-mix(in srgb, currentColor 10%, transparent);
+}
+
+.chatpapers-md pre {
+  margin: 0.35em 0;
+  padding: 6px 8px;
+  border-radius: 6px;
+  overflow: auto;
+  background: color-mix(in srgb, currentColor 8%, transparent);
+  border: 1px solid color-mix(in srgb, currentColor 12%, transparent);
+}
+
+.chatpapers-md pre code {
+  padding: 0;
+  background: transparent;
+  font-size: 0.88em;
+}
+
+.chatpapers-md blockquote {
+  margin: 0.3em 0;
+  padding: 0 0.65em;
+  border-left: 3px solid color-mix(in srgb, currentColor 35%, transparent);
+  opacity: 0.92;
+}
+
+.chatpapers-md blockquote p {
+  margin: 0.15em 0;
+}
+
+.chatpapers-md hr {
+  border: none;
+  border-top: 1px solid color-mix(in srgb, currentColor 18%, transparent);
+  margin: 0.4em 0;
+}
+
+.chatpapers-md a {
+  color: #2563eb;
+  text-decoration: underline;
+}
+
+.chatpapers-md strong {
+  font-weight: 700;
+}
+
+.chatpapers-md em {
+  font-style: italic;
+}
+
+.chatpapers-table-wrap {
+  display: block;
+  width: 100%;
+  max-width: 100%;
+  overflow-x: auto;
+  margin: 0.45em 0;
+  -webkit-overflow-scrolling: touch;
+}
+
+.chatpapers-md table.chatpapers-table,
+.chatpapers-md .chatpapers-table {
+  width: max-content;
+  min-width: 100%;
+  max-width: none;
+  border-collapse: collapse;
+  table-layout: auto;
+  font-size: 0.92em;
+  line-height: 1.35;
+  word-break: normal;
+  overflow-wrap: normal;
+}
+
+.chatpapers-md .chatpapers-table th,
+.chatpapers-md .chatpapers-table td {
+  border: 1px solid color-mix(in srgb, currentColor 22%, transparent);
+  padding: 0.35em 0.55em;
+  vertical-align: top;
+  white-space: normal;
+  word-break: break-word;
+}
+
+.chatpapers-md .chatpapers-table th {
+  font-weight: 700;
+  background: color-mix(in srgb, currentColor 10%, transparent);
+  text-align: left;
+}
+
+.chatpapers-md .chatpapers-table tbody tr:nth-child(even) td {
+  background: color-mix(in srgb, currentColor 4%, transparent);
+}
+
+.chatpapers-math-inline {
+  display: inline;
+  vertical-align: middle;
+}
+
+.chatpapers-math-block {
+  display: block;
+  margin: 0.35em 0;
+  overflow-x: auto;
+  text-align: center;
+}
+
+.chatpapers-math math {
+  font-size: 1.05em;
+}
+
+.chatpapers-math-block math {
+  font-size: 1.1em;
+}
+
+.chatpapers-tex {
+  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
+  font-size: 0.92em;
+  padding: 0.05em 0.3em;
+  border-radius: 4px;
+  background: color-mix(in srgb, currentColor 10%, transparent);
+}
+
+.chatpapers-user {
+  background: color-mix(in srgb, #3b82f6 18%, transparent);
+  align-self: flex-end;
+  max-width: 92%;
+}
+
+.chatpapers-assistant {
+  background: color-mix(in srgb, currentColor 8%, transparent);
+  align-self: flex-start;
+  max-width: 96%;
+}
+
+.chatpapers-role {
+  font-size: 11px;
+  opacity: 0.65;
+  margin-bottom: 4px;
+  font-weight: 600;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 8px;
+  -moz-user-select: none;
+  user-select: none;
+}
+
 .chatpapers-input {
   width: 100%;
   box-sizing: border-box;
@@ -125,6 +457,8 @@
   font: inherit;
   background: transparent;
   color: inherit;
+  -moz-user-select: text;
+  user-select: text;
 }
 
 .chatpapers-loading {
@@ -138,3 +472,89 @@
   margin: 4px 0 10px;
   max-width: 52em;
 }
+
+.chatpapers-multi-root {
+  height: 100%;
+  min-height: 0;
+  max-height: 100%;
+  overflow: hidden;
+  gap: 6px;
+  padding: 10px 12px 12px;
+}
+
+.chatpapers-multi-root .chatpapers-header,
+.chatpapers-multi-root .chatpapers-paper-chips,
+.chatpapers-multi-root .chatpapers-status,
+.chatpapers-multi-root .chatpapers-toolbar,
+.chatpapers-multi-root .chatpapers-composer {
+  flex-shrink: 0;
+}
+
+.chatpapers-multi-root .chatpapers-messages {
+  flex: 1 1 auto;
+  min-height: 140px;
+  max-height: none;
+  height: auto;
+}
+
+.chatpapers-multi-root .chatpapers-empty-desc {
+  max-width: 420px;
+}
+
+.chatpapers-multi-root .chatpapers-composer {
+  margin-top: 2px;
+  padding-top: 4px;
+  border-top: 1px solid color-mix(in srgb, currentColor 12%, transparent);
+}
+
+.chatpapers-multi-root .chatpapers-toolbar {
+  padding-top: 2px;
+}
+
+/* Dialog chrome: hide empty footer button area; thin scrollbars */
+#dialog-button-box,
+.dialog-button-box {
+  display: none !important;
+}
+
+.chatpapers-table-wrap,
+.chatpapers-multi-root {
+  scrollbar-width: thin;
+  scrollbar-color: color-mix(in srgb, currentColor 35%, transparent) transparent;
+}
+
+.chatpapers-table-wrap::-webkit-scrollbar,
+.chatpapers-multi-root::-webkit-scrollbar {
+  width: 6px;
+  height: 6px;
+}
+
+.chatpapers-table-wrap::-webkit-scrollbar-thumb,
+.chatpapers-multi-root::-webkit-scrollbar-thumb {
+  background: color-mix(in srgb, currentColor 32%, transparent);
+  border-radius: 999px;
+}
+
+.chatpapers-paper-chips {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 6px;
+  max-height: 72px;
+  overflow: auto;
+  margin-bottom: 2px;
+  scrollbar-width: thin;
+}
+
+.chatpapers-chip {
+  display: inline-block;
+  max-width: 220px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  font-size: 11px;
+  padding: 3px 8px;
+  border-radius: 999px;
+  border: 1px solid color-mix(in srgb, currentColor 18%, transparent);
+  background: color-mix(in srgb, #2563eb 10%, transparent);
+  color: inherit;
+}

addon/locale/en-US/addon.ftl

@@ -21,4 +21,26 @@ chat-cleared = Chat cleared
 chat-no-reply = No AI reply to save yet
 chat-note-saved = Saved as note
 chat-selection-added = Selection added to next message
-chat-selection-empty = No text selected in the reader
+chat-selection-empty = No text selected. Select text in the PDF first, then click this button (do not click elsewhere in between).
+chat-copy = Copy
+chat-copied = Copied to clipboard
+chat-empty-title = Start a conversation
+chat-empty-desc = Summarize this paper or ask a question about methods, results, and limitations.
+
+itemmenu-chat = ChatPapers: Open chat
+itemmenu-compare = ChatPapers: Compare papers
+
+multi-title = Multi-paper chat
+multi-empty-title = Read papers together
+multi-empty-desc = Enter a research topic and click Topic review for writing-ready notes; or compare, summarize each, or ask freely.
+multi-placeholder = Enter a topic or question, e.g. Diffusion models for medical image segmentation
+multi-topic-review = Topic review
+multi-need-topic = Enter a research topic in the box, then click Topic review
+multi-compare = Compare
+multi-summary-each = Summarize each
+multi-common = Common themes
+multi-close = Close
+multi-no-items = Please select items first
+multi-need-two = Select at least 2 items to compare
+multi-too-many = { $count } items selected; using the first 8
+multi-ready = { $count } papers ready for topic review

addon/locale/en-US/mainWindow.ftl

@@ -1 +1,3 @@
 itemmenu-label = ChatPapers: Summarize
+itemmenu-chat = ChatPapers: Open chat
+itemmenu-compare = ChatPapers: Compare papers

addon/locale/zh-CN/addon.ftl

@@ -21,4 +21,27 @@ chat-cleared = 已清空对话
 chat-no-reply = 还没有可保存的 AI 回复
 chat-note-saved = 已保存为笔记
 chat-selection-added = 已将选区加入下一条消息
-chat-selection-empty = 阅读器中没有选中文本
+chat-selection-empty = 未检测到选区。请先在 PDF 中拖选文字，再直接点「添加选区」（中间不要点别处）。
+chat-copy = 复制
+chat-copied = 已复制到剪贴板
+chat-empty-title = 开始对话
+chat-empty-desc = 可以一键总结本文，或提问方法、结果与局限等问题。
+
+itemmenu-chat = ChatPapers：打开对话
+itemmenu-compare = ChatPapers：多篇对照
+
+multi-title = 多篇对照
+multi-empty-title = 多论文整体阅读
+multi-empty-desc = 先在输入框写研究主题，点「主题综述」生成可写入要点；也可对比、各自摘要或自由提问。
+multi-placeholder = 输入研究主题或问题，例如：扩散模型在医学影像分割中的应用
+multi-topic-review = 主题综述
+multi-need-topic = 请先在输入框填写研究主题，再点「主题综述」
+multi-compare = 对比差异
+multi-summary-each = 各自摘要
+multi-common = 共同主题
+multi-close = 关闭
+multi-no-items = 请先选择文献
+multi-need-two = 请至少选择 2 篇文献再对照
+multi-too-many = 已选择 { $count } 篇，将使用前 8 篇
+multi-ready = 已选择 { $count } 篇文献，可开始整体阅读与主题综述
+

addon/locale/zh-CN/mainWindow.ftl

@@ -1 +1,3 @@
 itemmenu-label = ChatPapers：总结
+itemmenu-chat = ChatPapers：打开对话
+itemmenu-compare = ChatPapers：多篇对照

addon/prefs.js

@@ -7,7 +7,7 @@ pref("openrouterTitle", "ChatPapers");
 pref("temperature", "0.3");
 pref("maxTokens", 2048);
 pref("timeoutMs", 120000);
-pref("maxContextChars", 80000);
+pref("maxContextChars", 100000);
 pref("answerLanguage", "zh-CN");
 pref("systemPrompt", "");
 pref("summaryPrompt", "");