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<!doctype html>
<html lang="zh-CN">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1,viewport-fit=cover" />
<meta name="theme-color" content="#faf8f3" media="(prefers-color-scheme: light)" />
<meta name="theme-color" content="#1f1d1b" media="(prefers-color-scheme: dark)" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
<meta name="apple-mobile-web-app-title" content="Chatbox Lite" />
<meta name="format-detection" content="telephone=no" />
<title data-i18n="app.title">Chatbox Lite · Multi-Model Chat</title>
<!-- PWA: inline SVG icon — used by tab favicon, iOS home-screen icon, and webmanifest icons -->
<link rel="icon" type="image/svg+xml" href="data:image/svg+xml;base64,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" />
<link rel="apple-touch-icon" href="data:image/svg+xml;base64,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" />
<!-- PWA: real manifest file enables Chrome/Edge "Install app" (a blob: manifest is rejected by Chrome's install check).
Optional — if this file is absent (e.g. opened as a standalone single file), setupPWA() injects an inline blob fallback so the page still works. -->
<link rel="manifest" href="manifest.webmanifest" />
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.16.11/dist/katex.min.css" />
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/highlight.js@11.10.0/styles/github-dark.min.css" />
<style>
:root{
/* 浅色：暖白纸 + 雾蓝点缀 — 久看不刺眼 */
--bg:#faf8f3; /* 主背景：暖米白 */
--bg-2:#f2eee5; /* 侧栏/卡片：奶杏 */
--bg-3:#e8e2d3; /* 悬浮/hover */
--fg:#3a3631; /* 正文：暖墨棕（非纯黑） */
--fg-2:#7a746a; /* 次要文字 */
--border:#e0d9c8; /* 边框：低饱和米褐 */
--accent:#0fb5a0; /* 主色：醒目青绿（少见于品牌蓝）*/
--accent-2:#0c9a89; /* 主色加深（hover/active）*/
--bubble-user:#0fb5a0;
--bubble-user-fg:#fbfaf6;
--bubble-ai:#f2eee5;
--bubble-ai-fg:#3a3631;
--danger:#b85c5c;
}
html[data-theme="dark"]{
/* 深色：暖深灰 + 雾青点缀 — 替代纯黑 */
--bg:#1f1d1b; /* 主背景：暖炭灰 */
--bg-2:#27241f; /* 侧栏 */
--bg-3:#33302a; /* 悬浮 */
--fg:#e3ddd1; /* 正文：暖象牙 */
--fg-2:#9a948a;
--border:#3a352d;
--accent:#2dd4bf; /* 主色：暖深底上的亮青绿 */
--accent-2:#5eead4;
--bubble-user:#0f9e8c;
--bubble-user-fg:#f5f1e8;
--bubble-ai:#27241f;
--bubble-ai-fg:#e3ddd1;
--danger:#d18484;
}
*{box-sizing:border-box}
/* Top progress bar — visible from the first paint, drives itself via pure CSS
so it works even before JS executes (cold load, PWA reload, slow network). */
.page-loader{
position:fixed;
top:env(safe-area-inset-top, 0);
left:0;
right:0;
height:2.5px;
background:#0fb5a0;
transform-origin:0 50%;
transform:scaleX(0);
z-index:9999;
pointer-events:none;
opacity:.9;
box-shadow:0 0 6px rgba(79,141,240,.55);
animation:pageLoadAnim 6s cubic-bezier(.2,.85,.25,1) forwards;
}
@keyframes pageLoadAnim{
0% { transform:scaleX(0); }
12% { transform:scaleX(.18); }
28% { transform:scaleX(.42); }
50% { transform:scaleX(.65); }
72% { transform:scaleX(.82); }
90% { transform:scaleX(.93); }
100% { transform:scaleX(.96); }
}
.page-loader.done{
animation:none;
transform:scaleX(1);
transition:transform .25s ease-out, opacity .35s ease-in .12s;
opacity:0;
}
html[data-theme="dark"] .page-loader{ background:#2dd4bf; box-shadow:0 0 6px rgba(45,212,191,.55); }
/* Full-screen overlay that bridges the iOS PWA reload gap. iOS keeps the old
DOM visible-but-frozen during location.reload(); this overlay is part of
that DOM so it stays on screen and clearly says "refreshing", preventing
the user from thinking the UI is still interactive. */
.reload-overlay{
position:fixed;
inset:0;
background:var(--bg);
display:flex;
flex-direction:column;
align-items:center;
justify-content:center;
gap:14px;
z-index:10001;
padding-top:env(safe-area-inset-top,0);
padding-bottom:env(safe-area-inset-bottom,0);
animation:reloadOvIn .12s ease-out;
}
.reload-overlay .reload-spinner{
width:34px;height:34px;
border:3px solid var(--bg-3);
border-top-color:var(--accent);
border-radius:50%;
animation:reloadspin .9s linear infinite;
}
.reload-overlay .reload-label{
font-size:13px;
color:var(--fg-2);
letter-spacing:.02em;
}
@keyframes reloadOvIn{ from{ opacity:0; } to{ opacity:1; } }
html,body{height:100%;margin:0;font-family:"Inter","-apple-system",BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",system-ui,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-feature-settings:"cv11","ss01";letter-spacing:0.01em;-webkit-text-size-adjust:100%;text-size-adjust:100%;overscroll-behavior:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;-webkit-tap-highlight-color:transparent;touch-action:manipulation}
input,textarea,select{font-family:inherit;color:inherit;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:8px 10px;outline:none}
input:focus,textarea:focus,select:focus{border-color:var(--accent)}
a{-webkit-tap-highlight-color:transparent}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:var(--bg-3);border-radius:4px}
.app{display:flex;height:100vh;height:100dvh;overflow:hidden}
/* Sidebar */
.sidebar{width:260px;background:var(--bg-2);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0}
.sidebar-header{padding:12px;display:flex;gap:8px;align-items:center;border-bottom:1px solid var(--border)}
.sidebar-header .logo{font-weight:600;flex:1;font-size:14px}
.icon-btn{width:32px;height:32px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;color:var(--fg-2)}
.icon-btn:hover{background:var(--bg-3);color:var(--fg)}
.lang-btn{width:auto;padding:0 8px;font-size:11px;font-weight:600;letter-spacing:.04em}
/* PWA-only controls — hidden in browser tabs, shown only when the app runs standalone */
.pwa-only{display:none}
@media all and (display-mode:standalone){
.pwa-only{display:inline-flex}
}
@media all and (display-mode:fullscreen){
.pwa-only{display:inline-flex}
}
body.standalone .pwa-only{display:inline-flex}
/* Installed PWA on phone/tablet: no browser chrome → reclaim the empty band
above the home indicator by giving the textarea a taller idle min-height. */
@media all and (display-mode:standalone) and (max-width:900px){
.composer textarea{min-height:92px;padding:12px 8px}
.composer{padding:8px}
}
@media all and (display-mode:fullscreen) and (max-width:900px){
.composer textarea{min-height:92px;padding:12px 8px}
.composer{padding:8px}
}
@media (max-width:900px){
body.standalone .composer textarea{min-height:92px;padding:12px 8px}
body.standalone .composer{padding:8px}
}
#reloadBtn{font-size:16px}
#reloadBtn.spin{animation:reloadspin .9s linear infinite}
@keyframes reloadspin{to{transform:rotate(360deg)}}
/* Pull-to-refresh indicator (only mounted in standalone mode) */
.ptr-indicator{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;justify-content:center;height:60px;color:var(--fg-2);font-size:13px;pointer-events:none;opacity:0;transform:translateY(-60px);transition:opacity .15s;z-index:5}
.ptr-indicator .ptr-icon{display:inline-block;margin-right:8px;font-size:16px;transition:transform .2s}
.ptr-indicator.ready .ptr-icon{transform:rotate(180deg);color:var(--accent)}
.ptr-indicator.refreshing .ptr-icon{animation:reloadspin .9s linear infinite;color:var(--accent)}
.new-chat{margin:8px;padding:10px;background:var(--accent);color:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;gap:6px;font-size:14px}
.new-chat:hover{background:var(--accent-2)}
.new-chat.scenario{margin-top:0;background:var(--bg-3);color:var(--fg);border:1px solid var(--border)}
.new-chat.scenario:hover{background:var(--bg-2)}
.scenario-presets{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px;margin-bottom:6px}
.scenario-preset{display:flex;align-items:center;gap:6px;padding:8px 10px;background:var(--bg-2);border:1px solid var(--border);border-radius:8px;font-size:12px;cursor:pointer;text-align:left}
.scenario-preset:hover{background:var(--bg-3);border-color:var(--accent)}
.scenario-preset .emoji{font-size:15px}
.chat-list{flex:1;overflow-y:auto;padding:4px 8px}
.chat-item{padding:8px 10px;border-radius:8px;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--fg);margin-bottom:2px;cursor:pointer;position:relative}
.chat-item:hover{background:var(--bg-3)}
.chat-item.active{background:var(--bg-3)}
.chat-item .title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-item .actions{display:none;gap:2px}
.chat-item:hover .actions{display:flex}
.chat-item .actions .icon-btn{width:22px;height:22px}
.chat-item .stream-dot{flex:none;width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 var(--accent);animation:streamPulse 1.2s ease-out infinite}
.chat-item:hover .stream-dot{display:none}
@keyframes streamPulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--accent) 60%,transparent)}70%{box-shadow:0 0 0 6px transparent}100%{box-shadow:0 0 0 0 transparent}}
.chat-item.dragging{opacity:.45}
.chat-item.drag-before{box-shadow:inset 0 2px 0 0 var(--accent)}
.chat-item.drag-after{box-shadow:inset 0 -2px 0 0 var(--accent)}
.sidebar-footer{padding:8px;border-top:1px solid var(--border);display:flex;gap:6px}
.sidebar-footer button{flex:1;padding:8px;border-radius:8px;color:var(--fg-2);font-size:13px;display:flex;align-items:center;justify-content:center;gap:4px}
.sidebar-footer button:hover{background:var(--bg-3);color:var(--fg)}
.sidebar-footer button.active{background:var(--accent);color:#fff}
.github-link{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;color:var(--fg-2);opacity:.22;filter:grayscale(1);transition:opacity .25s ease,color .25s ease,filter .3s ease;border-radius:6px;text-decoration:none;align-self:center}
.github-link:hover{opacity:1;filter:grayscale(0);color:var(--fg);background:var(--bg-3)}
.github-link svg{width:14px;height:14px;display:block}
/* Main */
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.top-bar{padding:10px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;background:var(--bg)}
.top-bar .title{flex:1;font-size:14px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.top-bar select{font-size:13px;padding:6px 8px;min-width:180px}
.mode-switch{display:inline-grid;grid-template-columns:1fr 1fr;border:1px solid var(--border);border-radius:8px;overflow:hidden;background:var(--bg-2);flex:none}
.mode-tab{padding:6px 12px;font-size:12.5px;color:var(--fg-2);background:transparent;border-radius:0;min-width:54px}
.mode-tab:hover{background:var(--bg-3);color:var(--fg)}
.mode-tab.active{background:var(--accent);color:#fff}
.chat-view{flex:1;display:flex;flex-direction:column;min-height:0}
.chat-view.hide{display:none}
.cli-view{flex:1;display:flex;flex-direction:column;min-height:0;background:#0d1117;color:#e6edf3}
.cli-view.hide{display:none}
.messages{flex:1;overflow-y:auto;overflow-x:hidden;padding:20px 0;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
.msg-wrap{max-width:840px;margin:0 auto;padding:0 20px;box-sizing:border-box}
.msg{display:flex;gap:12px;margin-bottom:18px;position:relative}
.msg .avatar{width:30px;height:30px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:13px;color:#fff;font-weight:600}
.msg.user .avatar{background:#b08968}
.msg.assistant .avatar{background:var(--accent)}
.msg.system .avatar{background:#a89060}
.msg .body{flex:1;min-width:0}
.msg .role{font-size:12px;color:var(--fg-2);margin-bottom:4px;display:flex;align-items:center;gap:8px}
.msg .role .copy,.msg .role .act{opacity:0;transition:opacity .15s;font-size:11px;color:var(--fg-2);cursor:pointer;margin-left:8px;user-select:none}
.msg:hover .copy,.msg:hover .act{opacity:1}
.msg .copy:hover,.msg .act:hover{color:var(--accent)}
.msg .content{line-height:1.75;font-size:15px;word-wrap:break-word;overflow-wrap:anywhere;color:var(--fg);min-width:0;max-width:100%}
.msg .content p{margin:0.4em 0}
.msg .content p:first-child{margin-top:0}
.msg .content p:last-child{margin-bottom:0}
.msg .content pre{background:#0d1117;color:#e6edf3;padding:12px;border-radius:8px;overflow-x:auto;margin:8px 0;position:relative;font-size:13px;line-height:1.5}
.msg .content code:not(pre code){background:var(--bg-3);padding:2px 5px;border-radius:4px;font-size:13px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}
.msg .content pre .copy-code{position:absolute;top:8px;right:8px;font-size:11px;padding:3px 8px;background:rgba(255,255,255,.1);color:#fff;border-radius:4px;opacity:0;transition:opacity .15s}
.msg .content pre:hover .copy-code{opacity:1}
/* Mermaid diagram block */
.mermaid-block{position:relative;background:var(--bg-2);border:1px solid var(--border);border-radius:10px;padding:14px 12px;margin:10px 0;overflow-x:auto;cursor:zoom-in;-webkit-overflow-scrolling:touch}
.mermaid-svg{display:flex;justify-content:center;min-height:40px}
.mermaid-svg svg{max-width:100%;height:auto}
.mermaid-actions{position:absolute;top:6px;right:6px;display:flex;gap:4px;opacity:0;transition:opacity .15s;cursor:default}
.mermaid-block:hover .mermaid-actions{opacity:1}
@media (hover:none){.mermaid-actions{opacity:.85}}
.mmd-btn{background:var(--bg-3);color:var(--fg);padding:4px 10px;border-radius:6px;font-size:12px;cursor:pointer;border:1px solid var(--border);transition:all .15s;line-height:1;display:inline-flex;align-items:center;gap:4px}
.mmd-btn:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.mermaid-warn{font-size:12px;color:var(--danger);padding:6px 10px;background:var(--bg-2);border:1px dashed var(--danger);border-radius:8px;margin:8px 0}
/* Lightbox for diagram full-size view */
.mermaid-lightbox-mask{position:fixed;inset:0;background:rgba(0,0,0,.72);display:flex;align-items:center;justify-content:center;z-index:200;padding:20px;padding-top:max(20px,env(safe-area-inset-top));padding-bottom:max(20px,env(safe-area-inset-bottom))}
.mermaid-lightbox-mask.hide{display:none}
.mermaid-lightbox{background:var(--bg);border:1px solid var(--border);border-radius:14px;width:min(96vw,1280px);max-height:92vh;padding:14px;display:flex;flex-direction:column;gap:10px}
.mermaid-lightbox-actions{display:flex;gap:6px;justify-content:flex-end;flex-wrap:wrap}
.mermaid-lightbox-content{overflow:auto;flex:1;display:flex;align-items:center;justify-content:center;background:var(--bg-2);border-radius:10px;padding:12px;min-height:200px}
.mermaid-lightbox-content svg{max-width:100%;height:auto;display:block}
.msg .content .md-table-wrap{overflow-x:auto;max-width:100%;margin:8px 0;-webkit-overflow-scrolling:touch}
.msg .content .md-table-wrap table{margin:0}
.msg .content table{border-collapse:collapse;margin:8px 0;max-width:100%}
.msg .content th,.msg .content td{border:1px solid var(--border);padding:6px 10px;text-align:left}
.msg .content th{background:var(--bg-2)}
.msg .content blockquote{border-left:3px solid var(--accent);padding-left:10px;color:var(--fg-2);margin:8px 0}
.msg .content img{max-width:300px;border-radius:8px;margin:4px 0;display:block}
.msg .content a{color:var(--accent)}
.msg .attachments{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.msg .attachments .att{background:var(--bg-3);border-radius:6px;padding:4px 8px;font-size:12px;display:flex;align-items:center;gap:4px}
.msg .attachments img{max-width:160px;max-height:160px;border-radius:6px;display:block}
.msg .meta{font-size:11px;color:var(--fg-2);margin-top:6px}
.cursor-blink::after{content:"▊";color:var(--accent);animation:blink 1s infinite}
@keyframes blink{50%{opacity:0}}
/* Context-clear divider — keeps history visible but breaks the LLM context */
.msg-divider{display:flex;align-items:center;gap:10px;margin:22px 0;color:var(--fg-2);font-size:11.5px}
.msg-divider::before,.msg-divider::after{content:"";flex:1;height:1px;background:var(--border)}
.msg-divider .lbl{padding:3px 6px 3px 12px;background:var(--bg-2);border:1px dashed var(--border);border-radius:14px;white-space:nowrap;display:inline-flex;align-items:center;gap:6px;max-width:80%;overflow:hidden;text-overflow:ellipsis;transition:border-color .15s,background .15s}
.msg-divider .lbl .ico{font-size:12px;opacity:.7}
.msg-divider .lbl .text{overflow:hidden;text-overflow:ellipsis}
.msg-divider .lbl .x{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:50%;font-size:12px;line-height:1;background:transparent;color:var(--fg-2);cursor:pointer;opacity:0;transition:opacity .15s,background .15s,color .15s;flex-shrink:0;user-select:none;margin-left:2px}
.msg-divider:hover .lbl{border-style:solid;border-color:var(--accent)}
.msg-divider:hover .lbl .x{opacity:1}
.msg-divider .lbl .x:hover{background:var(--danger);color:#fff}
@media (hover:none){
.msg-divider .lbl .x{opacity:.7}
}
/* 等待首个 token 的占位指示 */
.typing-dots{display:inline-flex;gap:5px;padding:6px 2px;align-items:center;vertical-align:middle}
.typing-dots span{width:7px;height:7px;border-radius:50%;background:var(--accent);opacity:.45;animation:typing-bounce 1.25s ease-in-out infinite}
.typing-dots span:nth-child(2){animation-delay:.18s}
.typing-dots span:nth-child(3){animation-delay:.36s}
@keyframes typing-bounce{0%,80%,100%{opacity:.3;transform:translateY(0) scale(.85)}40%{opacity:1;transform:translateY(-3px) scale(1.05)}}
/* 状态提示带脉冲 */
.status-pulse{display:inline-flex;align-items:center;gap:6px}
.status-pulse::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);animation:thinkpulse 1.1s ease-in-out infinite}
/* 思考过程面板：小巧不碍事 */
.thinking-panel{margin:2px 0 8px;font-size:12px}
.thinking-panel summary{cursor:pointer;list-style:none;display:inline-flex;align-items:center;gap:6px;user-select:none;padding:3px 10px;background:var(--bg-2);border:1px solid var(--border);border-radius:11px;font-size:11.5px;color:var(--fg-2);transition:all .15s}
.thinking-panel summary::-webkit-details-marker{display:none}
.thinking-panel summary:hover{background:var(--bg-3);color:var(--fg)}
.thinking-panel summary .dot{width:6px;height:6px;border-radius:50%;background:var(--fg-2);display:inline-block;flex-shrink:0}
.thinking-panel.streaming summary{background:var(--bg-3)}
.thinking-panel.streaming summary .dot{background:var(--accent);animation:thinkpulse 1.1s ease-in-out infinite}
@keyframes thinkpulse{0%,100%{opacity:.35;transform:scale(.85)}50%{opacity:1;transform:scale(1.15)}}
.thinking-content{margin-top:6px;max-height:180px;overflow-y:auto;font-size:12px;line-height:1.65;color:var(--fg-2);white-space:pre-wrap;background:var(--bg-2);border:1px solid var(--border);padding:8px 12px;border-radius:8px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}
.thinking-content:empty::before{content:"…";opacity:.5}
/* 顶部思考开关 */
.thinking-toggle{display:inline-flex;align-items:center;gap:5px;padding:5px 10px;font-size:12px;border-radius:8px;color:var(--fg-2);cursor:pointer;user-select:none;border:1px solid transparent}
.thinking-toggle:hover{background:var(--bg-2)}
.thinking-toggle.on{color:var(--accent);border-color:var(--border);background:var(--bg-2)}
.thinking-toggle .sw{width:22px;height:13px;border-radius:7px;background:var(--bg-3);position:relative;transition:background .15s}
.thinking-toggle .sw::after{content:"";position:absolute;width:9px;height:9px;border-radius:50%;background:#fff;top:2px;left:2px;transition:left .15s;box-shadow:0 1px 2px rgba(0,0,0,.2)}
.thinking-toggle.on .sw{background:var(--accent)}
.thinking-toggle.on .sw::after{left:11px}
/* Composer */
.composer-wrap{padding:8px 20px max(16px, env(safe-area-inset-bottom));background:var(--bg);border-top:1px solid var(--border);position:relative}
/* 浮动"回到最新"按钮：用户滚离底部时出现 */
.scroll-bottom-btn{
position:absolute;bottom:calc(100% + 10px);right:24px;
width:34px;height:34px;border-radius:50%;
background:var(--bg-2);border:1px solid var(--border);color:var(--fg);
font-size:17px;line-height:1;
display:flex;align-items:center;justify-content:center;
box-shadow:0 2px 12px rgba(0,0,0,.10);
opacity:0;transform:translateY(6px) scale(.92);
pointer-events:none;
transition:opacity .18s ease,transform .18s ease,background .15s,color .15s,border-color .15s;
z-index:10;
}
.scroll-bottom-btn.show{opacity:1;transform:translateY(0) scale(1);pointer-events:auto;cursor:pointer}
.scroll-bottom-btn:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.scroll-bottom-btn .new-dot{position:absolute;top:4px;right:4px;width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 2px var(--bg-2);display:none}
.scroll-bottom-btn.has-new .new-dot{display:block}
html[data-theme="dark"] .scroll-bottom-btn{box-shadow:0 2px 12px rgba(0,0,0,.4)}
.composer{max-width:840px;margin:0 auto;background:var(--bg-2);border:1px solid var(--border);border-radius:14px;padding:8px;display:flex;flex-direction:column;gap:6px}
.composer:focus-within{border-color:var(--accent)}
.attach-strip{display:flex;flex-wrap:wrap;gap:6px;padding:4px}
.attach-strip:empty{display:none}
.attach-chip{background:var(--bg-3);border-radius:8px;padding:4px 8px;font-size:12px;display:flex;align-items:center;gap:6px;max-width:200px}
.attach-chip img{width:32px;height:32px;border-radius:4px;object-fit:cover}
.attach-chip .name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:120px}
.attach-chip .x{cursor:pointer;color:var(--fg-2);font-size:14px;line-height:1}
.attach-chip .x:hover{color:var(--danger)}
.composer textarea{border:none;background:transparent;resize:none;padding:8px;min-height:24px;max-height:240px;width:100%;font-size:14.5px;line-height:1.5}
.composer-actions{display:flex;align-items:center;gap:4px;padding:0 4px}
.composer-actions .spacer{flex:1}
.composer-actions .hint{font-size:11px;color:var(--fg-2)}
.composer-sep{display:inline-block;width:1px;height:18px;background:var(--border);margin:0 6px;align-self:center;flex-shrink:0}
.send-btn{background:var(--accent);color:#fff;width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center}
.send-btn:hover{background:var(--accent-2)}
.send-btn:disabled{background:var(--bg-3);color:var(--fg-2);cursor:not-allowed}
.stop-btn{background:var(--danger);color:#fff}
/* Modal */
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;z-index:100}
.modal-mask.hide{display:none}
.modal{background:var(--bg);border-radius:14px;width:680px;max-width:92vw;max-height:88vh;display:flex;flex-direction:column;border:1px solid var(--border);overflow:hidden}
.modal-header{padding:14px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center}
.modal-header h3{margin:0;font-size:15px;flex:1}
.modal-body{padding:16px 20px;overflow-y:auto}
.modal-footer{padding:12px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}
.modal-footer .btn{padding:8px 16px;border-radius:8px;font-size:13px}
.btn.primary{background:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-2)}
.btn.ghost{background:var(--bg-2);color:var(--fg)}
.btn.ghost:hover{background:var(--bg-3)}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--border);margin-bottom:14px}
.tab{padding:8px 14px;font-size:13px;color:var(--fg-2);border-bottom:2px solid transparent;margin-bottom:-1px;cursor:pointer}
.tab.active{color:var(--accent);border-bottom-color:var(--accent)}
.form-row{display:flex;flex-direction:column;gap:5px;margin-bottom:14px}
.form-row label{font-size:12.5px;color:var(--fg-2);font-weight:500}
.form-row .hint{font-size:11.5px;color:var(--fg-2);margin-top:2px}
.form-row input,.form-row textarea,.form-row select{width:100%}
.form-row textarea{min-height:60px;resize:vertical}
.provider-block{padding:12px;background:var(--bg-2);border-radius:10px;margin-bottom:10px}
.provider-block h4{margin:0 0 10px;font-size:13.5px;display:flex;align-items:center;gap:8px}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.memory-history-row{display:flex;gap:8px;margin-top:6px}
.memory-history-row select{flex:1;min-width:0}
.memory-history-row .btn{padding:6px 12px;font-size:12px;white-space:nowrap}
.model-label{display:flex;align-items:center;justify-content:space-between;gap:8px}
.fetch-btn{padding:3px 10px;font-size:11.5px;display:inline-flex;align-items:center;gap:4px;background:var(--bg-3);color:var(--fg);border-radius:6px}
.fetch-btn:hover{background:var(--accent);color:#fff}
.fetch-btn:disabled{opacity:.6;cursor:wait}
.model-picker{border:1px solid var(--border);border-radius:8px;background:var(--bg);margin-bottom:6px;overflow:hidden}
.picker-header{display:flex;align-items:center;gap:6px;padding:6px 8px;border-bottom:1px solid var(--border);background:var(--bg-2);flex-wrap:wrap}
.picker-header .picker-filter{flex:1;min-width:140px;padding:4px 8px;font-size:12px;border-radius:6px}
.picker-header .picker-count{font-size:11.5px;color:var(--fg-2);white-space:nowrap}
.picker-header .btn{padding:4px 10px;font-size:11.5px}
.picker-list{max-height:240px;overflow-y:auto;padding:4px}
.picker-item{display:flex;align-items:center;gap:8px;padding:5px 8px;border-radius:6px;font-size:12.5px;cursor:pointer;user-select:none}
.picker-item:hover{background:var(--bg-3)}
.picker-item input[type=checkbox]{width:14px;height:14px;cursor:pointer;flex-shrink:0}
.picker-item span{flex:1;word-break:break-all;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}
.picker-empty{padding:14px;text-align:center;color:var(--fg-2);font-size:12px}
.kv{font-size:12.5px;color:var(--fg-2);margin-top:4px}
.alert{padding:10px 12px;border-radius:8px;font-size:12.5px;background:#fff7e6;color:#8a5b00;border:1px solid #ffe2a8;margin-bottom:12px}
html[data-theme="dark"] .alert{background:#3a2e10;color:#f5d57a;border-color:#5a4515}
.cli-screen{flex:1;overflow:auto;padding:14px 16px;font:14px/1.55 "JetBrains Mono","SF Mono","Cascadia Mono","Cascadia Code","Roboto Mono","Menlo","Consolas",monospace;white-space:pre-wrap;word-break:break-word;background:#0d1117;letter-spacing:0}
.cli-line{margin:0 0 6px}
.cli-line.cmd{color:#7ee787}
.cli-line.err{color:#ff7b72}
.cli-line.muted{color:#8b949e}
.cli-line.stream{color:#e6edf3}
.cli-line.thinking{color:#5f6b7a;font-style:italic}
.cli-input-row{border-top:1px solid #30363d;background:#161b22;display:flex;align-items:center;gap:8px;padding:10px 14px;font:14px "JetBrains Mono","SF Mono","Cascadia Mono","Cascadia Code","Roboto Mono","Menlo","Consolas",monospace;letter-spacing:0;position:relative}
.cli-prompt{color:#7ee787;white-space:nowrap}
.cli-typed{color:#e6edf3;white-space:pre-wrap;min-height:1.2em;overflow-wrap:anywhere}
.cli-cursor{width:.62em;height:1.05em;background:#e6edf3;display:inline-block;animation:cliCursorBlink 1s steps(1,end) infinite;opacity:.9}
@keyframes cliCursorBlink{50%{opacity:0}}
.cli-input-row input{position:absolute;inset:0;width:100%;height:100%;opacity:0;border:0;background:transparent;color:transparent;caret-color:transparent;padding:0;font:inherit;border-radius:0}
.cli-input-row input:focus{border-color:transparent;outline:none}
.cli-input-row.busy{opacity:.7}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--fg-2);text-align:center;padding:40px}
.empty-state h2{font-size:22px;margin:0 0 8px;color:var(--fg)}
.empty-state .prompts{margin-top:24px;display:grid;grid-template-columns:repeat(2,1fr);gap:8px;max-width:600px;width:100%}
.empty-state .prompts button{padding:12px;background:var(--bg-2);border:1px solid var(--border);border-radius:10px;text-align:left;font-size:13px;color:var(--fg)}
.empty-state .prompts button:hover{border-color:var(--accent)}
/* Welcome-chat suggestion chips */
.welcome-suggestions{max-width:840px;margin:0 auto;padding:0 20px 8px;display:flex;flex-wrap:wrap;gap:8px}
.welcome-suggestions button{padding:6px 12px;background:var(--bg-2);border:1px solid var(--border);border-radius:18px;font-size:12.5px;color:var(--fg);cursor:pointer;transition:all .15s}
.welcome-suggestions button:hover{border-color:var(--accent);color:var(--accent);background:var(--bg-3)}
.drag-overlay{position:fixed;inset:0;background:rgba(59,111,224,.1);border:3px dashed var(--accent);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--accent);z-index:200;pointer-events:none}
.drag-overlay.hide{display:none}
/* iPad portrait & phones: collapse sidebar into off-canvas */
@media (max-width:768px){
.sidebar{position:fixed;left:0;top:0;bottom:0;z-index:50;transform:translateX(-100%);transition:transform .2s;width:84vw;max-width:300px;padding-left:env(safe-area-inset-left);padding-top:env(safe-area-inset-top)}
.sidebar.open{transform:translateX(0)}
.mobile-mask{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:49;display:none}
.mobile-mask.show{display:block}
.menu-btn{display:inline-flex}
/* Larger tap targets per Apple HIG */
.icon-btn{width:40px;height:40px;font-size:17px}
.lang-btn{width:auto;min-width:38px;height:36px;padding:0 10px;font-size:12px}
.send-btn{width:40px;height:40px}
.new-chat{padding:12px;font-size:15px}
.chat-item{padding:10px 12px;font-size:14px}
.sidebar-footer button{padding:10px 6px}
/* Top bar: keep everything on one line on narrow screens */
.top-bar{padding:8px 12px;gap:6px;padding-top:max(8px, env(safe-area-inset-top));flex-wrap:wrap}
.top-bar .title{font-size:13px;flex:1;min-width:0}
.top-bar select{min-width:0;max-width:46vw;font-size:13px;padding:6px 6px}
.mode-switch{order:4;width:100%}
.mode-tab{padding:7px 10px}
.thinking-toggle{padding:5px 8px;font-size:11.5px}
.thinking-toggle span:last-child{display:none}
/* Messages: tighter horizontal padding */
.messages{padding:14px 0}
.msg-wrap{padding:0 14px}
.msg{gap:10px;margin-bottom:14px}
.msg .avatar{width:28px;height:28px;font-size:12px}
.msg .content{font-size:15px;line-height:1.7}
.msg .content img{max-width:100%}
.msg .attachments img{max-width:140px;max-height:140px}
.msg .copy,.msg .act{opacity:1}
/* Composer: 16px font on inputs avoids iOS Safari zoom */
.composer{padding:6px;border-radius:12px}
.composer textarea{font-size:16px;padding:8px 6px}
.composer-actions{padding:0 2px}
.composer-actions .hint{display:none}
.composer-actions .icon-btn{width:38px;height:38px}
/* Welcome chips */
.welcome-suggestions{padding:0 14px 8px;gap:6px}
.welcome-suggestions button{font-size:12.5px;padding:7px 12px}
/* Empty state */
.empty-state{padding:24px 18px}
.empty-state h2{font-size:19px}
.empty-state .prompts{grid-template-columns:1fr;gap:8px;margin-top:18px}
/* Settings modal: full-screen on mobile */
.modal-mask{align-items:stretch;justify-content:stretch}
.modal{width:100vw;height:100dvh;max-width:100vw;max-height:100dvh;border-radius:0;padding-top:env(safe-area-inset-top)}
.modal-header{padding:12px 16px}
.modal-body{padding:14px 16px}
.modal-footer{padding:12px 16px max(12px, env(safe-area-inset-bottom));position:sticky;bottom:0;background:var(--bg)}
.modal-footer .btn{padding:10px 18px;font-size:14px;min-height:42px}
/* Forms */
.form-row input,.form-row textarea,.form-row select{font-size:16px}
.row-2{grid-template-columns:1fr}
.tabs{overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{flex:0 0 auto;font-size:13.5px;padding:10px 14px}
.provider-block h4{font-size:13px;line-height:1.4}
.picker-list{max-height:50vh}
.picker-header{gap:4px}
.picker-header .btn{padding:6px 10px;font-size:12px}
.fetch-btn{padding:5px 10px;font-size:12px}
/* Scroll-to-bottom button: lift above iOS home indicator */
.scroll-bottom-btn{right:14px;width:38px;height:38px;font-size:18px}
/* Drag overlay hidden on touch (no drag) */
.drag-overlay{font-size:15px;padding:24px}
}
/* Small phones */
@media (max-width:380px){
.top-bar select{max-width:38vw}
.thinking-toggle{padding:4px 6px}
.new-chat{font-size:14px}
}
/* Desktop / iPad landscape: keep persistent sidebar */
@media (min-width:769px){
.menu-btn{display:none}
}
</style>
</head>
<body>
<div class="page-loader" id="pageLoader" aria-hidden="true"></div>
<div class="app">
<div class="mobile-mask" id="mobileMask"></div>
<aside class="sidebar" id="sidebar">
<div class="sidebar-header">
<span class="logo">💬 Chatbox Lite</span>
<button class="icon-btn pwa-only" id="reloadBtn" data-i18n-title="reload.title" title="Reload app">↻</button>
<button class="icon-btn lang-btn" id="langBtn" data-i18n-title="lang.switch.title" title="Language / 语言">EN</button>
<button class="icon-btn" id="themeBtn" data-i18n-title="theme.toggle.title" title="Toggle theme">🌓</button>
</div>
<button class="new-chat" id="newChatBtn" data-i18n="sidebar.newChat">＋ New chat</button>
<button class="new-chat scenario" id="newScenarioBtn" data-i18n="sidebar.newScenario">🎬 New scenario</button>
<div class="chat-list" id="chatList"></div>
<div class="sidebar-footer">
<button id="settingsBtn" data-i18n="sidebar.settings">⚙ Settings</button>
<button id="exportBtn" data-i18n="sidebar.export">⬇ Export</button>
<button id="importBtn" data-i18n="sidebar.import">⬆ Import</button>
<a class="github-link" href="https://github.com/lfbear/chatbox-lite" target="_blank" rel="noopener noreferrer" data-i18n-title="github.title" data-i18n-aria="github.aria" title="GitHub · lfbear/chatbox-lite" aria-label="GitHub repository">
<svg viewBox="0 0 16 16" fill="currentColor" aria-hidden="true"><path fill-rule="evenodd" d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0 0 16 8c0-4.42-3.58-8-8-8z"></path></svg>
</a>
</div>
</aside>
<main class="main">
<div class="top-bar">
<button class="icon-btn menu-btn" id="menuBtn">☰</button>
<span class="title" id="chatTitle">New chat</span>
<div class="mode-switch" role="tablist" aria-label="View mode">
<button type="button" class="mode-tab active" id="chatModeBtn" data-mode="chat" data-i18n="mode.chat">Chat</button>
<button type="button" class="mode-tab" id="cliModeBtn" data-mode="cli" data-i18n="mode.cli">CLI</button>
</div>
<button class="icon-btn" id="scenarioBtn" data-i18n-title="scenario.edit.title" title="Edit scenario" style="display:none">🎬</button>
<button type="button" class="thinking-toggle" id="thinkingToggle" data-i18n-title="thinking.toggle.title" title="Enable/show model thinking"><span class="sw"></span><span data-i18n="thinking.label">Thinking</span></button>
<select id="modelSelect" data-i18n-title="model.select.title" title="Select model"></select>
</div>
<section class="chat-view" id="chatView">
<div class="messages" id="messages"></div>
<div class="composer-wrap">
<button type="button" class="scroll-bottom-btn" id="scrollBottomBtn" data-i18n-title="scroll.bottom.title" data-i18n-aria="scroll.bottom.aria" title="Scroll to latest" aria-label="Scroll to latest">↓<span class="new-dot"></span></button>
<div class="composer">
<div class="attach-strip" id="attachStrip"></div>
<textarea id="input" rows="1" data-i18n-placeholder="composer.input.placeholder" placeholder="Type a message. Shift+Enter for newline, Enter to send. Paste/drop images and files supported…"></textarea>
<div class="composer-actions">
<button class="icon-btn" id="attachImageBtn" data-i18n-title="attach.image.title" title="Upload image">🖼</button>
<button class="icon-btn" id="attachFileBtn" data-i18n-title="attach.file.title" title="Upload file (PDF/Word/TXT/code)">📎</button>
<input type="file" id="fileInput" multiple style="display:none" />
<span class="composer-sep" aria-hidden="true"></span>
<button class="icon-btn" id="clearCtxBtn" data-i18n-title="context.clear.title" title="Clear context (Ctrl/⌘+K)">✂</button>
<button class="icon-btn" id="clearBtn" data-i18n-title="chat.clear.title" title="Clear current chat">🗑</button>
<span class="spacer"></span>
<span class="hint" id="statusHint"></span>
<button class="send-btn" id="sendBtn" data-i18n-title="send.title" title="Send">➤</button>
</div>
</div>
</div>
</section>
<section class="cli-view hide" id="cliView">
<div class="cli-screen" id="cliScreen" aria-live="polite"></div>
<form class="cli-input-row" id="cliForm" autocomplete="off">
<span class="cli-prompt">></span>
<span class="cli-typed" id="cliTyped"></span><span class="cli-cursor" aria-hidden="true"></span>
<input id="cliInput" spellcheck="false" autocapitalize="none" autocomplete="off" placeholder="help" data-i18n-placeholder="cli.input.placeholder" />
</form>
</section>
</main>
</div>
<!-- Settings Modal -->
<div class="modal-mask hide" id="settingsModal">
<div class="modal">
<div class="modal-header"><h3 data-i18n="settings.title">Settings</h3><button class="icon-btn" id="closeSettings">✕</button></div>
<div class="modal-body">
<div class="tabs">
<div class="tab active" data-tab="providers" data-i18n="settings.tab.providers">Providers</div>
<div class="tab" data-tab="general" data-i18n="settings.tab.general">General</div>
<div class="tab" data-tab="about" data-i18n="settings.tab.about">About</div>
</div>
<div class="tab-panel" data-panel="providers">
<div class="alert" data-i18n-html="settings.providers.alert">⚠️ All API keys are saved only in your browser's localStorage — do not use on public computers. Some providers (e.g., Anthropic, OpenAI) require direct browser access; the corresponding headers are added automatically. For local models (Ollama), set <code>OLLAMA_ORIGINS=*</code> before launch to allow cross-origin requests.</div>
<div class="provider-block">
<h4 data-i18n="providers.openai.title">🟢 OpenAI compatible (incl. DeepSeek / Moonshot / SiliconFlow / OpenRouter / LM Studio / vLLM)</h4>
<div class="form-row"><label data-i18n="providers.baseUrl">Base URL</label><input id="cfg_openai_base" type="url" inputmode="url" autocomplete="off" autocapitalize="none" autocorrect="off" spellcheck="false" placeholder="https://api.openai.com/v1" /></div>
<div class="form-row"><label data-i18n="providers.apiKey">API Key</label><input id="cfg_openai_key" type="password" autocomplete="off" autocapitalize="none" autocorrect="off" spellcheck="false" placeholder="sk-..." /></div>
<div class="form-row">
<label class="model-label">
<span data-i18n="providers.modelList.withComment">Model list (one per line, # for comments)</span>
<button type="button" class="fetch-btn" data-fetch="openai" data-i18n="providers.fetch">🔄 Fetch model list</button>
</label>
<div class="model-picker" id="picker_openai" style="display:none">
<div class="picker-header">
<input class="picker-filter" data-i18n-placeholder="picker.filter.placeholder" placeholder="Search filter…" />
<span class="picker-count"></span>
<button type="button" class="btn ghost picker-toggle-all" data-i18n="picker.toggleAll">Toggle all</button>
<button type="button" class="btn primary picker-apply" data-i18n="picker.apply">Apply</button>
<button type="button" class="btn ghost picker-cancel" data-i18n="picker.cancel">Cancel</button>
</div>
<div class="picker-list"></div>
</div>
<textarea id="cfg_openai_models" placeholder="gpt-4o gpt-4o-mini gpt-4-turbo"></textarea>
</div>
</div>
<div class="provider-block">
<h4 data-i18n="providers.claude.title">🟣 Anthropic Claude</h4>
<div class="form-row"><label data-i18n="providers.baseUrl">Base URL</label><input id="cfg_claude_base" type="url" inputmode="url" autocomplete="off" autocapitalize="none" autocorrect="off" spellcheck="false" placeholder="https://api.anthropic.com/v1" /></div>
<div class="form-row"><label data-i18n="providers.apiKey">API Key</label><input id="cfg_claude_key" type="password" autocomplete="off" autocapitalize="none" autocorrect="off" spellcheck="false" placeholder="sk-ant-..." /></div>
<div class="form-row">
<label class="model-label">
<span data-i18n="providers.modelList">Model list (one per line)</span>
<button type="button" class="fetch-btn" data-fetch="claude" data-i18n="providers.fetch">🔄 Fetch model list</button>
</label>
<div class="model-picker" id="picker_claude" style="display:none">
<div class="picker-header">
<input class="picker-filter" data-i18n-placeholder="picker.filter.placeholder" placeholder="Search filter…" />
<span class="picker-count"></span>
<button type="button" class="btn ghost picker-toggle-all" data-i18n="picker.toggleAll">Toggle all</button>
<button type="button" class="btn primary picker-apply" data-i18n="picker.apply">Apply</button>
<button type="button" class="btn ghost picker-cancel" data-i18n="picker.cancel">Cancel</button>
</div>
<div class="picker-list"></div>
</div>
<textarea id="cfg_claude_models" placeholder="claude-opus-4-6 claude-sonnet-4-6 claude-haiku-4-5-20251001"></textarea>
</div>
</div>
<div class="provider-block">
<h4 data-i18n="providers.gemini.title">🔵 Google Gemini</h4>
<div class="form-row"><label data-i18n="providers.baseUrl">Base URL</label><input id="cfg_gemini_base" type="url" inputmode="url" autocomplete="off" autocapitalize="none" autocorrect="off" spellcheck="false" placeholder="https://generativelanguage.googleapis.com/v1beta" /></div>
<div class="form-row"><label data-i18n="providers.apiKey">API Key</label><input id="cfg_gemini_key" type="password" autocomplete="off" autocapitalize="none" autocorrect="off" spellcheck="false" placeholder="AIza..." /></div>
<div class="form-row">
<label class="model-label">
<span data-i18n="providers.modelList">Model list (one per line)</span>
<button type="button" class="fetch-btn" data-fetch="gemini" data-i18n="providers.fetch">🔄 Fetch model list</button>
</label>
<div class="model-picker" id="picker_gemini" style="display:none">
<div class="picker-header">
<input class="picker-filter" data-i18n-placeholder="picker.filter.placeholder" placeholder="Search filter…" />
<span class="picker-count"></span>
<button type="button" class="btn ghost picker-toggle-all" data-i18n="picker.toggleAll">Toggle all</button>
<button type="button" class="btn primary picker-apply" data-i18n="picker.apply">Apply</button>
<button type="button" class="btn ghost picker-cancel" data-i18n="picker.cancel">Cancel</button>
</div>
<div class="picker-list"></div>
</div>
<textarea id="cfg_gemini_models" placeholder="gemini-2.0-flash-exp gemini-1.5-pro gemini-1.5-flash"></textarea>
</div>
</div>
<div class="provider-block">
<h4 data-i18n="providers.ollama.title">🟠 Local models (Ollama / llama.cpp / LM Studio)</h4>
<div class="form-row"><label data-i18n="ollama.protocol">API protocol</label>
<select id="cfg_ollama_protocol">
<option value="auto" data-i18n="ollama.protocol.auto">Auto-detect (recommended)</option>
<option value="ollama" data-i18n="ollama.protocol.native">Ollama native (/api/chat)</option>
<option value="openai" data-i18n="ollama.protocol.openai">OpenAI compatible (/v1/chat/completions, for llama.cpp / LM Studio / vLLM)</option>
</select>
<span class="hint" data-i18n-html="ollama.protocol.hint">Auto-detect tries <code>/api/tags</code> first — if found, uses Ollama native; otherwise falls back to OpenAI compatible.</span>
</div>
<div class="form-row"><label data-i18n="providers.baseUrl">Base URL</label><input id="cfg_ollama_base" type="url" inputmode="url" autocomplete="off" autocapitalize="none" autocorrect="off" spellcheck="false" placeholder="Ollama→http://localhost:11434 · llama.cpp→http://localhost:8080 · LM Studio→http://localhost:1234" /></div>
<div class="form-row"><label data-i18n="providers.apiKeyOptional">API Key (optional)</label><input id="cfg_ollama_key" type="password" autocomplete="off" autocapitalize="none" autocorrect="off" spellcheck="false" data-i18n-placeholder="ollama.key.placeholder" placeholder="Optional" /></div>
<div class="form-row">
<label class="model-label">
<span data-i18n="providers.modelList">Model list (one per line)</span>
<button type="button" class="fetch-btn" data-fetch="ollama" data-i18n="providers.fetch">🔄 Fetch model list</button>
</label>
<div class="model-picker" id="picker_ollama" style="display:none">
<div class="picker-header">
<input class="picker-filter" data-i18n-placeholder="picker.filter.placeholder" placeholder="Search filter…" />
<span class="picker-count"></span>
<button type="button" class="btn ghost picker-toggle-all" data-i18n="picker.toggleAll">Toggle all</button>
<button type="button" class="btn primary picker-apply" data-i18n="picker.apply">Apply</button>
<button type="button" class="btn ghost picker-cancel" data-i18n="picker.cancel">Cancel</button>
</div>
<div class="picker-list"></div>
</div>
<textarea id="cfg_ollama_models" placeholder="llama3.2 qwen2.5:7b llava"></textarea>
</div>
</div>
</div>
<div class="tab-panel" data-panel="general" style="display:none">
<div class="row-2">
<div class="form-row"><label data-i18n="general.userName.label">User name (display)</label><input id="cfg_user_name" data-i18n-placeholder="general.userName.placeholder" placeholder="Me / Hen / Alex" /><span class="hint" data-i18n="general.userName.hint">Shown above your avatar and messages. The avatar uses the first character.</span></div>
<div class="form-row"><label data-i18n="general.aiName.label">AI name (display)</label><input id="cfg_ai_name" data-i18n-placeholder="general.aiName.placeholder" placeholder="AI / Claude / GPT" /><span class="hint" data-i18n="general.aiName.hint">Shown above the assistant's avatar and messages.</span></div>
</div>
<div class="form-row"><label data-i18n="general.system.label">System prompt (default)</label><textarea id="cfg_system" rows="4" placeholder="You are a helpful assistant."></textarea></div>
<div class="row-2">
<div class="form-row"><label data-i18n="general.temperature.label">Temperature</label><input id="cfg_temp" type="number" min="0" max="2" step="0.1" value="0.7" inputmode="decimal" /></div>
<div class="form-row"><label data-i18n="general.maxTokens.label">Max output tokens</label><input id="cfg_max_tokens" type="number" min="1" step="1" inputmode="numeric" data-i18n-placeholder="general.maxTokens.placeholder" placeholder="Leave empty to use model default" /></div>
</div>
<div class="form-row"><label data-i18n="general.historyN.label">History messages kept (context length)</label><input id="cfg_history_n" type="number" min="2" step="1" value="40" inputmode="numeric" /></div>
<div class="form-row">
<label data-i18n="general.imageDetail.label">Image upload quality (input tokens)</label>
<select id="cfg_image_detail">
<option value="high" data-i18n="general.imageDetail.high">High · up to 1568px (max detail, most tokens)</option>
<option value="standard" data-i18n="general.imageDetail.standard">Standard · up to 1024px (near-lossless, recommended)</option>
<option value="low" data-i18n="general.imageDetail.low">Saver · up to 640px (fewest tokens; OpenAI low-detail = flat 85)</option>
</select>
<span class="hint" data-i18n="general.imageDetail.hint">Vision tokens depend on image resolution, not file size — downscaling is what actually saves input tokens. Standard is visually near-lossless for most photos and screenshots.</span>
</div>
<div class="form-row"><label data-i18n="general.attachKeepRecent.label">Keep attachments in context for the latest N messages</label><input id="cfg_attach_keep_recent" type="number" min="0" step="1" value="1" inputmode="numeric" /><span class="hint" data-i18n="general.attachKeepRecent.hint">Images/files are never carried forward as "memory": once a message with an attachment falls outside this many most-recent messages, only its text is resent — the attachment itself is dropped from the request. 1 = only the newest attachment is ever sent; 0 = never send attachments to the model at all.</span></div>
<div class="form-row"><label><input id="cfg_scenario_autocompress" type="checkbox" style="width:auto;margin-right:6px" /><span data-i18n="general.autoCompress.label">Auto-compress scenario memory</span></label><span class="hint" data-i18n="general.autoCompress.hint">For 🎬 scenario chats: when the live context exceeds the size below, older messages are automatically summarized into long-term memory.</span></div>
<div class="form-row"><label data-i18n="general.compressChars.label">Auto-compress threshold (characters of live context)</label><input id="cfg_scenario_compress_chars" type="number" min="500" step="100" value="4000" inputmode="numeric" /></div>
<div class="form-row"><label data-i18n="general.memoryMaxChars.label">Scenario memory size cap (characters)</label><input id="cfg_scenario_memory_max_chars" type="number" min="200" step="100" value="800" inputmode="numeric" /><span class="hint" data-i18n="general.memoryMaxChars.hint">Hard limit on the compressed long-term memory itself — it is hard-truncated to this length after every compression, so memory can never grow without bound. Memory only ever stores text; attachments are never included.</span></div>
<div class="form-row"><label><input id="cfg_show_thinking" type="checkbox" style="width:auto;margin-right:6px" /><span data-i18n="general.showThinking.label">Enable and show model thinking</span></label><span class="hint" data-i18n-html="general.showThinking.hint">When off: panel is hidden; for Gemini 2.5, <code>thinkingBudget:0</code> is requested to save tokens; DeepSeek-R1's <code><think></code> blocks are still stripped so they don't leak.</span></div>
</div>
<div class="tab-panel" data-panel="about" style="display:none">
<p style="font-size:13px;line-height:1.7;color:var(--fg-2)" data-i18n-html="about.body">
<b style="color:var(--fg)">Chatbox Lite</b> — a single-file browser-based multi-model chat page.<br><br>
<b>Supports</b>: OpenAI compatible / Claude / Gemini / Ollama / LM Studio · streaming · Markdown · code highlighting · KaTeX math · image vision · file upload (PDF/DOCX/TXT/code) · multi-session local persistence · light/dark theme · export/import.<br><br>
<b>Usage</b>: open <code>chatbox-lite.html</code> in your browser, go to "Settings" and configure your API keys. All data is stored in localStorage and never uploaded.<br><br>
<b>CORS tip</b>: browser-direct API calls are subject to same-origin policy. Official OpenAI/Claude/Gemini endpoints support CORS; if using a proxy, make sure CORS is enabled. For Ollama, set <code>OLLAMA_ORIGINS=*</code> before launch.<br><br>
<b>Shortcuts</b>: Enter to send / Shift+Enter for newline / Ctrl+N for new chat.<br><br>
<b>Project</b>: <a href="https://github.com/lfbear/chatbox-lite" target="_blank" rel="noopener noreferrer">github.com/lfbear/chatbox-lite</a><br>
<b>Author</b>: <a href="https://github.com/lfbear" target="_blank" rel="noopener noreferrer">lfbear (小飞熊)</a><br><br>
<i style="color:var(--fg-2)">P.S. Not a single line of this codebase was typed by the author — Claude wrote it all. I'm just the guy standing next to it, pointing fingers and waving hands. 🫠</i>
</p>
</div>
</div>
<div class="modal-footer">
<button class="btn ghost" id="cancelSettings" data-i18n="modal.cancel">Cancel</button>
<button class="btn primary" id="saveSettings" data-i18n="modal.save">Save</button>
</div>
</div>
</div>
<!-- Scenario Modal -->
<div class="modal-mask hide" id="scenarioModal">
<div class="modal">
<div class="modal-header"><h3 id="scenarioModalTitle" data-i18n="scenario.modal.titleNew">New scenario chat</h3><button class="icon-btn" id="closeScenario">✕</button></div>
<div class="modal-body">
<div class="form-row">
<label data-i18n="scenario.presets.label">💡 Golden presets (click to apply)</label>
<div class="scenario-presets" id="scenarioPresets"></div>
</div>
<div class="form-row"><label data-i18n="scenario.title.label">Chat title</label><input id="sc_title" data-i18n-placeholder="scenario.title.placeholder" placeholder="e.g. 🎮 Discord gaming" /></div>
<div class="form-row">
<label data-i18n="scenario.lang.label">Target language (for translation scenarios)</label>
<select id="sc_lang">
<option value="">—</option>
<option value="English">English</option>
<option value="日本語 (Japanese)">日本語 (Japanese)</option>
<option value="한국어 (Korean)">한국어 (Korean)</option>
<option value="Español (Spanish)">Español (Spanish)</option>
<option value="Français (French)">Français (French)</option>
<option value="Deutsch (German)">Deutsch (German)</option>
<option value="Русский (Russian)">Русский (Russian)</option>
<option value="中文 (Chinese)">中文 (Chinese)</option>
</select>
</div>
<div class="form-row"><label data-i18n="scenario.desc.label">Scenario & tone instructions (the AI's persona/rules)</label><textarea id="sc_desc" rows="6" data-i18n-placeholder="scenario.desc.placeholder" placeholder="e.g. Casual Discord chat with overseas gamers; very colloquial tone, use abbreviations (lol) and emojis."></textarea></div>
<div class="form-row" id="sc_summaryRow" style="display:none">
<label data-i18n="scenario.summary.label">🧠 Compressed memory (auto-generated, editable)</label>
<textarea id="sc_summary" rows="4" data-i18n-placeholder="scenario.summary.placeholder" placeholder="No memory compressed yet. Use the 🧠 button in the composer to compress history."></textarea>
<div class="memory-history-row" id="sc_memoryHistoryRow" style="display:none">
<select id="sc_memory_history"></select>
<button type="button" class="btn ghost" id="sc_memory_restore" data-i18n="scenario.summary.restore">Restore this version</button>
</div>
<span class="hint" data-i18n="scenario.summary.history.hint">Every past memory version (from auto-compression or manual edits) is kept here so you can roll back if something important got summarized away. Restoring loads it into the box above — click Save to apply.</span>
</div>
</div>
<div class="modal-footer">
<button class="btn ghost" id="cancelScenario" data-i18n="modal.cancel">Cancel</button>
<button class="btn primary" id="saveScenario" data-i18n="scenario.save">Create chat</button>
</div>
</div>
</div>
<div class="drag-overlay hide" id="dragOverlay" data-i18n="drag.overlay">🗎 Drop files to add to the conversation</div>
<input type="file" id="importFileInput" accept="application/json" style="display:none" />
<!-- Libraries -->
<script src="https://cdn.jsdelivr.net/npm/marked@14.1.3/marked.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.10.0/highlight.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/katex@0.16.11/dist/katex.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/katex@0.16.11/dist/contrib/auto-render.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/dompurify@3.1.7/dist/purify.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/mammoth@1.8.0/mammoth.browser.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/pdfjs-dist@4.7.76/build/pdf.min.mjs" type="module"></script>
<script type="module">
import * as pdfjsLib from "https://cdn.jsdelivr.net/npm/pdfjs-dist@4.7.76/build/pdf.min.mjs";
pdfjsLib.GlobalWorkerOptions.workerSrc = "https://cdn.jsdelivr.net/npm/pdfjs-dist@4.7.76/build/pdf.worker.min.mjs";
window.__pdfjsLib = pdfjsLib;
</script>
<script>
/* ============================================================
Chatbox Lite — Single-file multi-provider chat UI
============================================================ */
const LS_KEY = "chatbox_lite_v1";
const detectLang = () => {
try{
const saved = localStorage.getItem("chatbox_lite_lang");
if(saved==="en"||saved==="zh") return saved;
}catch{}
const n = (navigator.language||"").toLowerCase();
return n.startsWith("zh") ? "zh" : "en";
};
const DEFAULT_STATE = {
theme: "light",
lang: detectLang(),
chats: [], // [{id,title,model,messages:[{role,content,attachments,time}],systemPrompt,createdAt}]
activeChatId: null,
config: {
openai: { base:"https://api.openai.com/v1", key:"", models:"gpt-4o\ngpt-4o-mini\ngpt-4-turbo" },
claude: { base:"https://api.anthropic.com/v1", key:"", models:"claude-opus-4-5\nclaude-sonnet-4-5\nclaude-haiku-4-5" },
gemini: { base:"https://generativelanguage.googleapis.com/v1beta", key:"", models:"gemini-2.0-flash-exp\ngemini-1.5-pro\ngemini-1.5-flash" },
ollama: { base:"http://localhost:11434", key:"", models:"llama3.2\nqwen2.5:7b\nllava\ndeepseek-r1:7b", protocol:"auto" }
},
general: {
systemPrompt:"You are a helpful assistant. Answer in the user's language.",
temperature:0.7,
maxTokens:"",
historyN:40,
showThinking:true,
userName:"",
aiName:"AI",
scenarioAutoCompress:true,
scenarioCompressChars:4000,
scenarioMemoryMaxChars:800,
imageDetail:"standard",
attachmentKeepRecent:1
},
lastModel:""
};
/* ------------------------- i18n ------------------------- */
const I18N = {
en: {
"app.title":"Chatbox Lite · Multi-Model Chat",
"lang.switch.title":"Language / 语言",
"theme.toggle.title":"Toggle theme",
"reload.title":"Reload app",
"reload.confirm":"Reload now? You have unsent input — copy it first if you need it.",
"reload.pull":"Pull to refresh",
"reload.release":"Release to refresh",
"reload.refreshing":"Refreshing…",
"mermaid.enlarge":"Open full size",
"mermaid.download.png":"Download as PNG (≈1800px)",
"mermaid.download.png.hd":"Download as PNG HD (≈3600px)",
"mermaid.download.svg":"Download as SVG (lossless)",
"mermaid.close":"Close",
"mermaid.error":"Diagram render error",
"mermaid.loading":"Rendering diagram…",
"sidebar.newChat":"＋ New chat",
"sidebar.newScenario":"🎬 New scenario",
"scenario.modal.titleNew":"New scenario chat",
"scenario.modal.titleEdit":"Edit scenario",
"scenario.presets.label":"💡 Golden presets (click to apply)",
"scenario.title.label":"Chat title",
"scenario.title.placeholder":"e.g. 🎮 Discord gaming",
"scenario.lang.label":"Target language (optional — for translation scenarios)",
"scenario.desc.label":"Scenario & tone instructions (the AI's persona / rules)",
"scenario.desc.placeholder":"e.g. Casual Discord chat with overseas gamers; very colloquial tone, use abbreviations (lol) and emojis.",
"scenario.summary.label":"🧠 Compressed memory (auto-generated, editable)",
"scenario.summary.placeholder":"No memory compressed yet — this fills in automatically once the conversation grows large enough, or you can type your own.",
"scenario.summary.restore":"Restore this version",
"scenario.summary.history.hint":"Every past memory version (from auto-compression or manual edits) is kept here so you can roll back if something important got summarized away. Restoring loads it into the box above — click Save to apply.",
"scenario.save":"Create chat",
"scenario.save.edit":"Save",
"scenario.edit.title":"Edit scenario settings",
"scenario.desc.required":"Please enter the scenario / tone instructions.",
"scenario.compress.title":"Compress earlier messages into memory",
"scenario.compress.running":"Compressing memory…",
"scenario.compress.tooFew":"Need at least 2 messages to compress.",
"scenario.compress.done":"Memory updated · earlier context compressed",
"scenario.compress.failed":"Compression failed: {0}",
"scenario.compress.confirm":"Compress the current context into long-term memory? Earlier messages will stay visible but won't be re-sent to the model.",
"scenario.badge":"Scenario",
"sidebar.settings":"⚙ Settings",
"sidebar.export":"⬇ Export",
"sidebar.import":"⬆ Import",
"cli.title":"Web CLI",
"cli.input.placeholder":"help",
"github.title":"GitHub · lfbear/chatbox-lite",
"github.aria":"GitHub repository",
"chat.untitled":"Untitled",
"chat.new.default":"New chat",
"chat.action.rename":"Rename",
"chat.action.delete":"Delete",
"chat.clear.title":"Clear current chat",
"mode.chat":"Chat",
"mode.cli":"CLI",
"model.select.title":"Select model",
"model.select.empty":"(Configure models in Settings)",
"thinking.label":"Thinking",
"thinking.toggle.title":"Enable/show model thinking (on: keep thinking; off: Gemini won't think, others stripped)",
"thinking.toggle.on":"Thinking · on",
"thinking.toggle.off":"Thinking · off",
"thinking.streaming":"Thinking…",
"thinking.streaming.hidden":"Thinking… (content hidden)",
"thinking.done":"Thinking",
"thinking.done.hidden":"Thinking · hidden",
"scroll.bottom.title":"Scroll to latest",
"scroll.bottom.aria":"Scroll to latest content",
"composer.input.placeholder":"Type a message. Shift+Enter for newline, Enter to send. Paste/drop images and files supported…",
"attach.image.title":"Upload image",
"attach.file.title":"Upload file (PDF/Word/TXT/code)",
"send.title":"Send",
"stop.title":"Stop",
"status.connecting":"Connecting…",
"status.generating":"Generating…",
"status.retrying":"Empty response — retrying ({0}/{1})…",
"settings.title":"Settings",
"settings.tab.providers":"Providers",
"settings.tab.general":"General",
"settings.tab.about":"About",
"settings.providers.alert":"⚠️ All API keys are saved only in your browser's localStorage — do not use on public computers. Some providers (e.g., Anthropic, OpenAI) require direct browser access; the corresponding headers are added automatically. For local models (Ollama), set <code>OLLAMA_ORIGINS=*</code> before launch to allow cross-origin requests.",
"providers.openai.title":"🟢 OpenAI compatible (incl. DeepSeek / Moonshot / SiliconFlow / OpenRouter / LM Studio / vLLM)",
"providers.claude.title":"🟣 Anthropic Claude",
"providers.gemini.title":"🔵 Google Gemini",
"providers.ollama.title":"🟠 Local models (Ollama / llama.cpp / LM Studio)",
"providers.baseUrl":"Base URL",
"providers.apiKey":"API Key",
"providers.apiKeyOptional":"API Key (optional)",
"providers.modelList":"Model list (one per line)",
"providers.modelList.withComment":"Model list (one per line, # for comments)",
"providers.fetch":"🔄 Fetch model list",
"providers.fetching":"⏳ Fetching…",
"picker.filter.placeholder":"Search filter…",
"picker.toggleAll":"Toggle all",
"picker.apply":"Apply",
"picker.cancel":"Cancel",
"picker.count":"{0} total · {1} selected",
"picker.empty":"No models returned",
"ollama.protocol":"API protocol",
"ollama.protocol.auto":"Auto-detect (recommended)",
"ollama.protocol.native":"Ollama native (/api/chat)",
"ollama.protocol.openai":"OpenAI compatible (/v1/chat/completions, for llama.cpp / LM Studio / vLLM)",
"ollama.protocol.hint":"Auto-detect tries <code>/api/tags</code> first — if found, uses Ollama native; otherwise falls back to OpenAI compatible.",
"ollama.key.placeholder":"Optional",
"general.userName.label":"User name (display)",
"general.userName.placeholder":"Me / Hen / Alex",
"general.userName.hint":"Shown above your avatar and messages. The avatar uses the first character.",
"general.aiName.label":"AI name (display)",
"general.aiName.placeholder":"AI / Claude / GPT",
"general.aiName.hint":"Shown above the assistant's avatar and messages.",
"general.system.label":"System prompt (default)",
"general.temperature.label":"Temperature",
"general.maxTokens.label":"Max output tokens",
"general.maxTokens.placeholder":"Leave empty to use model default",
"general.historyN.label":"History messages kept (context length)",
"general.autoCompress.label":"Auto-compress scenario memory",
"general.autoCompress.hint":"For 🎬 scenario chats: when the live context exceeds the size below, older messages are automatically summarized into long-term memory.",
"general.compressChars.label":"Auto-compress threshold (characters of live context)",
"general.imageDetail.label":"Image upload quality (input tokens)",
"general.imageDetail.high":"High · up to 1568px (max detail, most tokens)",
"general.imageDetail.standard":"Standard · up to 1024px (near-lossless, recommended)",
"general.imageDetail.low":"Saver · up to 640px (fewest tokens; OpenAI low-detail = flat 85)",
"general.imageDetail.hint":"Vision tokens depend on image resolution, not file size — downscaling is what actually saves input tokens. Standard is visually near-lossless for most photos and screenshots.",
"general.attachKeepRecent.label":"Keep attachments in context for the latest N messages",
"general.attachKeepRecent.hint":"Images/files are never carried forward as \"memory\": once a message with an attachment falls outside this many most-recent messages, only its text is resent — the attachment itself is dropped from the request. 1 = only the newest attachment is ever sent; 0 = never send attachments to the model at all.",
"general.memoryMaxChars.label":"Scenario memory size cap (characters)",
"general.memoryMaxChars.hint":"Hard limit on the compressed long-term memory itself — it is hard-truncated to this length after every compression, so memory can never grow without bound. Memory only ever stores text; attachments are never included.",
"general.showThinking.label":"Enable and show model thinking",
"general.showThinking.hint":"When off: panel is hidden; for Gemini 2.5, <code>thinkingBudget:0</code> is requested to save tokens; DeepSeek-R1's <code><think></code> blocks are still stripped so they don't leak.",
"about.body":"<b style=\"color:var(--fg)\">Chatbox Lite</b> — a single-file browser-based multi-model chat page.<br><br><b>Supports</b>: OpenAI compatible / Claude / Gemini / Ollama / LM Studio · streaming · Markdown · code highlighting · KaTeX math · image vision · file upload (PDF/DOCX/TXT/code) · multi-session local persistence · light/dark theme · export/import.<br><br><b>Usage</b>: open <code>chatbox-lite.html</code> in your browser, go to \"Settings\" and configure your API keys. All data is stored in localStorage and never uploaded.<br><br><b>CORS tip</b>: browser-direct API calls are subject to same-origin policy. Official OpenAI/Claude/Gemini endpoints support CORS; if using a proxy, make sure CORS is enabled. For Ollama, set <code>OLLAMA_ORIGINS=*</code> before launch.<br><br><b>Shortcuts</b>: Enter to send / Shift+Enter for newline / Ctrl/⌘+Shift+O for new chat (Ctrl/⌘+N as fallback) / Ctrl/⌘+K to clear context.<br><br><b>Install as desktop app</b>: when this page is served over HTTPS, use Chrome/Edge's ⋮ menu → \"Install Chatbox Lite\", or Safari's Share → \"Add to Dock / Home Screen\". Once installed, refresh by tapping the ↻ in the sidebar or pulling down on the message list.<br><br><b>Project</b>: <a href=\"https://github.com/lfbear/chatbox-lite\" target=\"_blank\" rel=\"noopener noreferrer\">github.com/lfbear/chatbox-lite</a><br><b>Author</b>: <a href=\"https://github.com/lfbear\" target=\"_blank\" rel=\"noopener noreferrer\">lfbear (小飞熊)</a><br><br><i style=\"color:var(--fg-2)\">P.S. Not a single line of this codebase was typed by the author — Claude wrote it all. I'm just the guy standing next to it, pointing fingers and waving hands. 🫠</i>",
"modal.cancel":"Cancel",
"modal.save":"Save",
"drag.overlay":"🗎 Drop files to add to the conversation",
"empty.title":"Start a conversation",
"empty.subtitle":"Pick a model and type below. Paste/drop images and files supported.",
"empty.prompt.1.label":"Explain a concept",
"empty.prompt.1.text":"Explain the core idea of the Transformer in three sentences.",
"empty.prompt.2.label":"Write code",
"empty.prompt.2.text":"Write a Python decorator that implements function caching (with LRU), and include tests.",
"empty.prompt.3.label":"Translate / polish",
"empty.prompt.3.text":"Translate the following paragraph into natural English:\n\n(paste your text)",
"empty.prompt.4.label":"Plan an itinerary",
"empty.prompt.4.text":"Give me a compact 5-day itinerary for Tokyo.",
"msg.copy":"Copy",
"msg.copied":"Copied",
"msg.regenerate":"🔄 Regenerate",