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<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=no">
<title>知识气泡</title>
<link rel="manifest" href="./manifest.json">
<script src="https://cdn.jsdelivr.net/npm/@supabase/supabase-js@2/dist/umd/supabase.min.js"></script>
<link rel="apple-touch-icon" href="./icon.svg">
<meta name="theme-color" content="#7c3aed">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/github.min.css">
<style>
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;overflow:hidden}
body{
font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
background:linear-gradient(150deg,#ede8ff 0%,#e8e0ff 45%,#f2edff 100%);
color:#1e1b4b;
}
body::before{
content:'';position:fixed;inset:0;
background-image:
radial-gradient(1.5px 1.5px at 8% 18%,rgba(139,92,246,.22) 0%,transparent 100%),
radial-gradient(1.5px 1.5px at 88% 12%,rgba(139,92,246,.18) 0%,transparent 100%),
radial-gradient(1.5px 1.5px at 63% 82%,rgba(56,189,248,.16) 0%,transparent 100%),
radial-gradient(1.5px 1.5px at 38% 58%,rgba(139,92,246,.13) 0%,transparent 100%),
radial-gradient(1.5px 1.5px at 92% 55%,rgba(56,189,248,.2) 0%,transparent 100%),
radial-gradient(1.5px 1.5px at 12% 72%,rgba(139,92,246,.11) 0%,transparent 100%),
radial-gradient(1.5px 1.5px at 74% 38%,rgba(139,92,246,.17) 0%,transparent 100%),
radial-gradient(1.5px 1.5px at 28% 92%,rgba(56,189,248,.12) 0%,transparent 100%),
radial-gradient(1.5px 1.5px at 52% 8%, rgba(139,92,246,.15) 0%,transparent 100%),
radial-gradient(1.5px 1.5px at 81% 78%,rgba(139,92,246,.13) 0%,transparent 100%),
radial-gradient(circle at 18% 42%,rgba(139,92,246,.06) 0%,transparent 52%),
radial-gradient(circle at 82% 62%,rgba(56,189,248,.05) 0%,transparent 52%);
pointer-events:none;z-index:0;
}
/* ── Topbar ── */
#topbar{
position:fixed;top:0;left:0;right:0;height:52px;
background:rgba(255,255,255,.85);backdrop-filter:blur(18px);
border-bottom:1px solid rgba(139,92,246,.12);
display:flex;align-items:center;padding:0 12px;gap:8px;z-index:100;
}
.logo{font-size:15px;font-weight:800;letter-spacing:-.2px;background:linear-gradient(135deg,#7c3aed,#a855f7);-webkit-background-clip:text;-webkit-text-fill-color:transparent;white-space:nowrap;flex-shrink:0}
#breadcrumb{flex:1;display:flex;align-items:center;gap:2px;overflow:hidden;font-size:12px;min-width:0}
.crumb{color:rgba(30,27,75,.35);cursor:pointer;padding:3px 6px;border-radius:6px;white-space:nowrap;transition:all .15s;flex-shrink:0}
.crumb:hover{color:rgba(30,27,75,.75);background:rgba(139,92,246,.08)}
.crumb.active{color:#1e1b4b;cursor:default;flex-shrink:1;overflow:hidden;text-overflow:ellipsis;font-weight:600}
.crumb-sep{color:rgba(30,27,75,.2);flex-shrink:0;padding:0 1px}
/* Search */
#search-wrap{position:relative;flex-shrink:0}
#search-input{
width:148px;background:rgba(139,92,246,.07);border:1px solid rgba(139,92,246,.14);
border-radius:20px;padding:7px 13px;color:#1e1b4b;font-size:13px;outline:none;
transition:border-color .2s,width .25s;display:block;
}
#search-input:focus{border-color:rgba(139,92,246,.45);width:185px}
#search-input::placeholder{color:rgba(30,27,75,.3)}
#search-dropdown{
position:absolute;top:calc(100% + 6px);left:0;right:0;
background:rgba(255,255,255,.97);backdrop-filter:blur(16px);
border:1px solid rgba(139,92,246,.14);border-radius:10px;
overflow:hidden;z-index:300;display:none;min-width:220px;
box-shadow:0 8px 28px rgba(139,92,246,.12);
}
#search-dropdown.open{display:block}
.sdrop-item{
padding:10px 14px;cursor:pointer;display:flex;align-items:center;gap:10px;
border-bottom:1px solid rgba(139,92,246,.06);transition:background .15s;
}
.sdrop-item:last-child{border-bottom:none}
.sdrop-item:hover{background:rgba(139,92,246,.06)}
.sdrop-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}
.sdrop-label{font-size:13px;font-weight:600;color:#1e1b4b;flex:1}
.sdrop-path{font-size:11px;color:rgba(30,27,75,.35);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:80px}
.sdrop-empty{padding:12px 14px;font-size:13px;color:rgba(30,27,75,.38);text-align:center}
/* Topbar icon buttons */
.icon-btn{
width:32px;height:32px;flex-shrink:0;
background:rgba(139,92,246,.07);border:1px solid rgba(139,92,246,.14);
border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;
color:rgba(30,27,75,.45);font-size:14px;transition:all .2s;
}
.icon-btn:hover{color:#5b21b6;border-color:rgba(139,92,246,.32);background:rgba(139,92,246,.12)}
.icon-btn.active{color:#d97706;border-color:rgba(217,119,6,.38);background:rgba(217,119,6,.08)}
/* ── Arena ── */
#arena{position:fixed;top:52px;left:0;right:0;bottom:0;z-index:1}
/* ── Bubbles ── */
.bubble{position:absolute;transform:translate(-50%,-50%);cursor:pointer}
.bubble-wrap{position:relative;display:inline-flex;align-items:center;justify-content:center}
.bubble-body{
position:relative;border-radius:50%;overflow:hidden;
display:flex;flex-direction:column;align-items:center;justify-content:center;
text-align:center;padding:14px;
background:
radial-gradient(ellipse 46% 28% at 36% 24%,rgba(255,255,255,.96) 0%,rgba(255,255,255,.4) 50%,transparent 100%),
radial-gradient(circle at 50% 50%,rgba(250,247,255,.9) 0%,rgba(238,232,255,.95) 100%);
border:1.5px solid rgba(139,92,246,.18);
transition:transform .22s cubic-bezier(.34,1.56,.64,1);
}
.bubble-body::before{content:'';position:absolute;inset:0;border-radius:50%;transition:opacity .3s}
.bubble.cv .bubble-body::before{background:radial-gradient(circle at 50% 50%,transparent 38%,rgba(56,189,248,.16) 100%)}
.bubble.llm .bubble-body::before{background:radial-gradient(circle at 50% 50%,transparent 38%,rgba(139,92,246,.18) 100%)}
.bubble.gen .bubble-body::before{background:radial-gradient(circle at 50% 50%,transparent 38%,rgba(249,115,22,.15) 100%)}
.bubble-body::after{content:'';position:absolute;bottom:12%;left:50%;transform:translateX(-50%);width:36%;height:7%;border-radius:50%;background:rgba(255,255,255,.55);filter:blur(3px)}
@keyframes glow-cv {
0%,100%{box-shadow:0 4px 22px rgba(56,189,248,.25),0 2px 8px rgba(0,0,0,.05),inset 0 1.5px 0 rgba(255,255,255,.9)}
50%{box-shadow:0 4px 36px rgba(56,189,248,.44),0 2px 8px rgba(0,0,0,.05),inset 0 1.5px 0 rgba(255,255,255,.9)}
}
@keyframes glow-llm{
0%,100%{box-shadow:0 4px 22px rgba(139,92,246,.28),0 2px 8px rgba(0,0,0,.05),inset 0 1.5px 0 rgba(255,255,255,.9)}
50%{box-shadow:0 4px 36px rgba(139,92,246,.5),0 2px 8px rgba(0,0,0,.05),inset 0 1.5px 0 rgba(255,255,255,.9)}
}
@keyframes glow-gen{
0%,100%{box-shadow:0 4px 22px rgba(249,115,22,.22),0 2px 8px rgba(0,0,0,.05),inset 0 1.5px 0 rgba(255,255,255,.9)}
50%{box-shadow:0 4px 36px rgba(249,115,22,.4),0 2px 8px rgba(0,0,0,.05),inset 0 1.5px 0 rgba(255,255,255,.9)}
}
@keyframes glow-stale{
0%,100%{box-shadow:0 4px 22px rgba(217,119,6,.28),0 2px 8px rgba(0,0,0,.05),inset 0 1.5px 0 rgba(255,255,255,.9)}
50%{box-shadow:0 4px 36px rgba(217,119,6,.5),0 2px 8px rgba(0,0,0,.05),inset 0 1.5px 0 rgba(255,255,255,.9)}
}
.bubble.cv .bubble-body{animation:glow-cv 3.2s ease-in-out infinite}
.bubble.llm .bubble-body{animation:glow-llm 3.2s ease-in-out infinite}
.bubble.gen .bubble-body{animation:glow-gen 3.2s ease-in-out infinite}
.bubble.stale .bubble-body{animation:glow-stale 2.4s ease-in-out infinite!important}
.bubble:hover .bubble-body{transform:scale(1.09)}
.bubble.selected .bubble-body{transform:scale(1.12)}
.bubble.selected.cv .bubble-body{animation:none;box-shadow:0 0 44px rgba(56,189,248,.55),0 6px 20px rgba(0,0,0,.08),inset 0 1.5px 0 rgba(255,255,255,.95)}
.bubble.selected.llm .bubble-body{animation:none;box-shadow:0 0 44px rgba(139,92,246,.6),0 6px 20px rgba(0,0,0,.08),inset 0 1.5px 0 rgba(255,255,255,.95)}
.bubble.selected.gen .bubble-body{animation:none;box-shadow:0 0 44px rgba(249,115,22,.5),0 6px 20px rgba(0,0,0,.08),inset 0 1.5px 0 rgba(255,255,255,.95)}
.bubble-label{position:relative;z-index:1;font-size:13px;font-weight:700;color:#2e1a6e;line-height:1.3;pointer-events:none}
.bubble-dot{position:relative;z-index:1;width:5px;height:5px;border-radius:50%;margin-top:7px;background:rgba(30,27,75,.15);transition:background .3s}
.bubble.visited .bubble-dot{background:rgba(22,163,74,.7);box-shadow:0 0 6px rgba(22,163,74,.4)}
.bubble.stale .bubble-dot{background:rgba(217,119,6,.85)!important;box-shadow:0 0 7px rgba(217,119,6,.45)!important}
.bubble-arrow{position:relative;z-index:1;font-size:9px;color:rgba(30,27,75,.25);margin-top:3px;pointer-events:none;letter-spacing:-1px;transition:color .2s}
.bubble:hover .bubble-arrow{color:rgba(30,27,75,.55)}
.bubble-star{position:absolute;top:4px;right:4px;font-size:10px;z-index:3;pointer-events:none;filter:drop-shadow(0 0 3px rgba(217,119,6,.5))}
/* Progress ring SVG */
.pring{position:absolute;pointer-events:none;z-index:2}
@keyframes f0{0%,100%{margin-top:0}50%{margin-top:-12px}}
@keyframes f1{0%,100%{margin-top:-4px}50%{margin-top:10px}}
@keyframes f2{0%,100%{margin-top:8px}50%{margin-top:-10px}}
@keyframes f3{0%,100%{margin-top:-3px}50%{margin-top:13px}}
@keyframes f4{0%,100%{margin-top:9px}50%{margin-top:-8px}}
@keyframes f5{0%,100%{margin-top:-7px}50%{margin-top:9px}}
@keyframes popIn{from{opacity:0;transform:translate(-50%,-50%) scale(.22)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}
.empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;opacity:.5}
.empty-icon{font-size:52px}
.empty-text{font-size:14px;color:rgba(30,27,75,.5);text-align:center;max-width:220px;line-height:1.65}
/* ── Back button ── */
#back-btn{
position:fixed;bottom:26px;left:50%;
transform:translateX(-50%) translateY(90px);
background:rgba(255,255,255,.92);backdrop-filter:blur(14px);
border:1px solid rgba(139,92,246,.18);border-radius:26px;
color:#5b21b6;padding:10px 22px;font-size:13px;font-weight:600;
cursor:pointer;z-index:60;display:flex;align-items:center;gap:8px;
box-shadow:0 4px 18px rgba(139,92,246,.16);
transition:transform .36s cubic-bezier(.34,1.2,.64,1),box-shadow .2s;white-space:nowrap;
}
#back-btn.visible{transform:translateX(-50%) translateY(0)}
#back-btn:hover{box-shadow:0 6px 24px rgba(139,92,246,.28)}
/* ── Side Panel ── */
#panel{
position:fixed;top:52px;right:0;bottom:0;width:390px;
background:rgba(254,252,255,.97);backdrop-filter:blur(22px);
border-left:1px solid rgba(139,92,246,.1);
transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);
z-index:50;display:flex;flex-direction:column;overflow:hidden;
box-shadow:-6px 0 28px rgba(139,92,246,.08);
}
#panel.open{transform:translateX(0)}
#panel-header{padding:18px 16px 0;position:relative;flex-shrink:0}
#panel-close{position:absolute;top:14px;right:44px;width:28px;height:28px;background:rgba(139,92,246,.07);border:none;border-radius:50%;cursor:pointer;color:rgba(30,27,75,.38);font-size:13px;display:flex;align-items:center;justify-content:center;transition:all .15s}
#panel-close:hover{color:#1e1b4b;background:rgba(139,92,246,.14)}
#panel-star{position:absolute;top:14px;right:12px;width:28px;height:28px;background:rgba(139,92,246,.07);border:none;border-radius:50%;cursor:pointer;color:rgba(30,27,75,.38);font-size:14px;display:flex;align-items:center;justify-content:center;transition:all .15s}
#panel-star:hover{background:rgba(139,92,246,.14)}
#panel-star.starred{color:#d97706;background:rgba(217,119,6,.1)}
#panel-title{font-size:21px;font-weight:800;margin-bottom:4px;padding-right:70px;line-height:1.2;color:#1e1b4b}
#panel-intuition{font-size:13px;color:rgba(30,27,75,.45);margin-bottom:12px;line-height:1.55}
#explore-btn{margin:0 16px 14px;flex-shrink:0;background:linear-gradient(135deg,rgba(56,189,248,.07),rgba(139,92,246,.1));border:1px solid rgba(139,92,246,.22);color:#6d28d9;padding:9px 14px;border-radius:10px;font-size:13px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:space-between;transition:all .2s}
#explore-btn:hover{background:linear-gradient(135deg,rgba(56,189,248,.14),rgba(139,92,246,.2));color:#4c1d95;border-color:rgba(139,92,246,.42)}
#explore-btn:disabled{opacity:.4;cursor:not-allowed}
.tabs{display:flex;border-bottom:1px solid rgba(139,92,246,.1);padding:0 16px;flex-shrink:0;gap:2px}
.tab{padding:8px 11px;font-size:12px;font-weight:600;cursor:pointer;color:rgba(30,27,75,.32);border-bottom:2px solid transparent;transition:all .2s;white-space:nowrap}
.tab:hover{color:rgba(30,27,75,.65)}
.tab.active{color:#1e1b4b;border-bottom-color:#a855f7}
#panel-body{flex:1;overflow-y:auto;padding:16px}
#panel-body::-webkit-scrollbar{width:3px}
#panel-body::-webkit-scrollbar-thumb{background:rgba(139,92,246,.14);border-radius:2px}
.tab-pane{display:none}
.tab-pane.active{display:block}
.md p{font-size:13px;line-height:1.78;color:rgba(30,27,75,.72);margin-bottom:10px}
.md ul,.md ol{font-size:13px;line-height:1.72;color:rgba(30,27,75,.72);padding-left:18px;margin-bottom:10px}
.md li{margin-bottom:3px}
.md strong{color:#1e1b4b}
.md h1,.md h2,.md h3{color:#1e1b4b;font-size:14px;margin:14px 0 6px}
.md code{background:rgba(139,92,246,.09);padding:1px 5px;border-radius:4px;font-size:12px;color:#5b21b6;font-family:'JetBrains Mono',monospace}
.md pre{background:#f8f5ff;border-radius:8px;padding:14px;overflow-x:auto;margin:10px 0;border:1px solid rgba(139,92,246,.1)}
.md pre code{background:transparent;padding:0;font-size:12px;line-height:1.65;color:inherit}
.md blockquote{border-left:3px solid #a855f7;padding-left:12px;color:rgba(30,27,75,.5);font-style:italic;margin:10px 0}
.md a{color:#7c3aed;text-decoration:none}
.md a:hover{text-decoration:underline}
.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:50px 20px;gap:14px}
.spinner{width:34px;height:34px;border:3px solid rgba(139,92,246,.12);border-top-color:#a855f7;border-radius:50%;animation:spin .75s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loading p{color:rgba(30,27,75,.35);font-size:13px}
.paper-card{background:rgba(139,92,246,.04);border:1px solid rgba(139,92,246,.1);border-radius:10px;padding:13px;margin-bottom:10px}
.paper-title{font-size:13px;font-weight:700;color:#6d28d9;margin-bottom:3px}
.paper-meta{font-size:12px;color:rgba(30,27,75,.38);margin-bottom:8px}
.paper-link{font-size:12px;color:#0369a1;text-decoration:none}
.paper-link:hover{text-decoration:underline}
.sec{font-size:10px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:rgba(30,27,75,.28);margin-bottom:10px;margin-top:18px}
.sec:first-child{margin-top:0}
.chips{display:flex;flex-wrap:wrap;gap:7px}
.chip{background:rgba(139,92,246,.07);border:1px solid rgba(139,92,246,.16);color:#6d28d9;padding:5px 11px;border-radius:16px;font-size:12px;cursor:pointer;transition:all .18s}
.chip:hover{background:rgba(139,92,246,.18);border-color:rgba(139,92,246,.36);color:#4c1d95}
.rec-card{background:rgba(139,92,246,.04);border:1px solid rgba(139,92,246,.08);border-radius:10px;padding:11px 13px;margin-bottom:8px;cursor:pointer;display:flex;align-items:center;gap:10px;transition:background .18s}
.rec-card:hover{background:rgba(139,92,246,.1)}
.rec-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.rec-label{font-size:13px;font-weight:600;color:#1e1b4b;flex:1}
.rec-domain{font-size:11px;color:rgba(30,27,75,.35)}
.stale-banner{background:rgba(217,119,6,.07);border:1px solid rgba(217,119,6,.22);border-radius:8px;padding:9px 12px;margin-bottom:14px;font-size:12px;color:#92400e;display:flex;align-items:center;gap:8px}
/* Settings */
#settings-modal{position:fixed;inset:0;background:rgba(91,33,182,.18);backdrop-filter:blur(4px);z-index:200;display:none;align-items:center;justify-content:center}
#settings-modal.open{display:flex}
.modal-box{background:#fff;border:1px solid rgba(139,92,246,.12);border-radius:16px;padding:24px;width:350px;max-width:calc(100vw - 32px);box-shadow:0 16px 48px rgba(139,92,246,.16)}
.modal-title{font-size:17px;font-weight:800;margin-bottom:18px;color:#1e1b4b}
.form-label{font-size:11px;font-weight:700;color:rgba(30,27,75,.38);margin-bottom:5px;display:block;letter-spacing:.06em;text-transform:uppercase}
.form-input{width:100%;background:rgba(139,92,246,.05);border:1px solid rgba(139,92,246,.12);border-radius:8px;padding:9px 12px;color:#1e1b4b;font-size:13px;outline:none;margin-bottom:14px;font-family:monospace;transition:border-color .2s}
.form-input:focus{border-color:rgba(139,92,246,.48)}
.modal-actions{display:flex;gap:10px;justify-content:flex-end}
.btn-p{background:linear-gradient(135deg,#7c3aed,#a855f7);border:none;color:white;padding:9px 18px;border-radius:8px;cursor:pointer;font-size:13px;font-weight:700;box-shadow:0 2px 12px rgba(139,92,246,.3)}
.btn-s{background:rgba(139,92,246,.07);border:1px solid rgba(139,92,246,.14);color:rgba(30,27,75,.65);padding:9px 18px;border-radius:8px;cursor:pointer;font-size:13px}
#toast{position:fixed;bottom:80px;left:50%;transform:translateX(-50%) translateY(80px);background:rgba(255,255,255,.97);border:1px solid rgba(139,92,246,.14);border-radius:10px;padding:9px 18px;font-size:13px;color:#1e1b4b;z-index:300;transition:transform .3s;pointer-events:none;white-space:nowrap;box-shadow:0 4px 16px rgba(139,92,246,.14)}
#toast.show{transform:translateX(-50%) translateY(0)}
@media(max-width:600px){
#panel{width:100%;border-left:none;border-top:1px solid rgba(139,92,246,.1)}
#search-input{width:100px}
#search-input:focus{width:130px}
}
/* ── Auth ── */
#auth-btn{background:rgba(139,92,246,.08);border:1px solid rgba(139,92,246,.16);color:rgba(30,27,75,.55);width:32px;height:32px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .18s;flex-shrink:0}
#auth-btn:hover{background:rgba(139,92,246,.16)}
#auth-btn.logged-in{background:rgba(139,92,246,.18);color:#7c3aed}
#auth-modal{position:fixed;inset:0;background:rgba(91,33,182,.18);backdrop-filter:blur(4px);z-index:200;display:none;align-items:center;justify-content:center}
#auth-modal.open{display:flex}
.auth-tabs{display:flex;border:1px solid rgba(139,92,246,.14);border-radius:8px;overflow:hidden;margin-bottom:14px}
.auth-tabs button{flex:1;border:none;padding:8px;font-size:13px;cursor:pointer;background:rgba(139,92,246,.04);color:rgba(30,27,75,.45)}
.auth-tabs button.active{background:linear-gradient(135deg,#7c3aed,#a855f7);color:white}
</style>
</head>
<body>
<div id="topbar">
<div class="logo">知识气泡</div>
<nav id="breadcrumb"></nav>
<div id="search-wrap">
<input id="search-input" type="text" placeholder="搜索 / 添加…" autocomplete="off">
<div id="search-dropdown"></div>
</div>
<button id="auth-btn" onclick="openAuthModal()" title="账号同步">
<svg viewBox="0 0 24 24" width="15" height="15" stroke="currentColor" fill="none" stroke-width="2"><path d="M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2"/><circle cx="12" cy="7" r="4"/></svg>
</button>
<button class="icon-btn" id="bookmark-btn" title="收藏">⭐</button>
<button class="icon-btn" id="settings-btn" title="设置">⚙</button>
</div>
<div id="arena"></div>
<button id="back-btn">← 返回上一层</button>
<div id="panel">
<div id="panel-header">
<button id="panel-close">✕</button>
<button id="panel-star" title="收藏">☆</button>
<div id="panel-title"></div>
<div id="panel-intuition"></div>
</div>
<button id="explore-btn">深入探索，展开子话题 <span>→</span></button>
<div class="tabs">
<div class="tab active" data-tab="concept">💡 概念</div>
<div class="tab" data-tab="mechanism">⚙️ 原理</div>
<div class="tab" data-tab="code">💻 代码</div>
<div class="tab" data-tab="papers">📄 论文</div>
</div>
<div id="panel-body">
<div class="tab-pane active" id="tab-concept"></div>
<div class="tab-pane" id="tab-mechanism"></div>
<div class="tab-pane" id="tab-code"></div>
<div class="tab-pane" id="tab-papers"></div>
</div>
</div>
<div id="settings-modal">
<div class="modal-box">
<div class="modal-title">⚙️ 设置</div>
<label class="form-label">DeepSeek API Key</label>
<input class="form-input" id="api-key-input" type="password" placeholder="sk-…">
<label class="form-label">每个气泡展开的子话题数量</label>
<input class="form-input" id="sub-count" type="number" value="5" min="3" max="8">
<div class="modal-actions">
<button class="btn-s" id="modal-cancel">取消</button>
<button class="btn-p" id="modal-save">保存</button>
</div>
</div>
</div>
<!-- Auth Modal -->
<div id="auth-modal">
<div class="modal-box">
<div id="auth-login-view">
<div class="modal-title">🔐 账号同步</div>
<p style="font-size:13px;color:rgba(30,27,75,.5);margin-bottom:14px;line-height:1.6">登录后气泡数据自动同步，换浏览器也不丢失。</p>
<div class="auth-tabs">
<button class="active" onclick="setAuthMode('login')">登录</button>
<button onclick="setAuthMode('register')">注册</button>
</div>
<label class="form-label">邮箱</label>
<input class="form-input" type="text" id="auth-email" placeholder="your@email.com" autocomplete="email" style="font-family:inherit">
<label class="form-label">密码</label>
<input class="form-input" type="password" id="auth-password" placeholder="至少6位" autocomplete="current-password" style="font-family:inherit">
<div class="modal-actions">
<button class="btn-s" onclick="closeAuthModal()">取消</button>
<button class="btn-p" id="auth-submit-btn" onclick="submitAuth()">登录</button>
</div>
</div>
<div id="auth-user-view" style="display:none;text-align:center;padding:8px 0">
<div style="font-size:2.2rem;margin-bottom:10px">👤</div>
<div id="auth-user-email" style="font-weight:700;color:#1e1b4b;margin-bottom:4px;word-break:break-all;font-size:14px"></div>
<div style="font-size:12px;color:rgba(30,27,75,.4);margin-bottom:20px">已登录 · 气泡数据自动同步 ☁️</div>
<div class="modal-actions" style="justify-content:center">
<button class="btn-s" onclick="closeAuthModal()">关闭</button>
<button class="btn-s" style="color:#dc2626" onclick="logoutUser()">退出登录</button>
</div>
</div>
</div>
</div>
<div id="toast"></div>
<script src="https://cdn.jsdelivr.net/npm/marked@9/marked.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js"></script>
<script>
'use strict';
// ── Supabase Auth & Sync ─────────────────────────────────────────────────
const sb = supabase.createClient(
'https://wzlypptsytnqfsmwxpzf.supabase.co',
'sb_publishable_9rXFdTyDO2yai9uLBRJSNQ_6irPiu6E'
);
const KB_APP = 'knowledgebubble';
let sbUser = null, syncTimer = null, _loadingCloud = false;
async function initAuth() {
const { data: { session } } = await sb.auth.getSession();
if (session) { sbUser = session.user; updateAuthUI(); await loadCloudData(); }
sb.auth.onAuthStateChange((_e, session) => { sbUser = session?.user || null; updateAuthUI(); });
}
function updateAuthUI() {
document.getElementById('auth-btn').classList.toggle('logged-in', !!sbUser);
}
let authMode = 'login';
function setAuthMode(mode) {
authMode = mode;
const tabs = document.querySelectorAll('.auth-tabs button');
tabs[0].classList.toggle('active', mode === 'login');
tabs[1].classList.toggle('active', mode === 'register');
document.getElementById('auth-submit-btn').textContent = mode === 'login' ? '登录' : '注册';
}
function openAuthModal() {
document.getElementById('auth-login-view').style.display = sbUser ? 'none' : 'block';
document.getElementById('auth-user-view').style.display = sbUser ? 'block' : 'none';
if (sbUser) document.getElementById('auth-user-email').textContent = sbUser.email;
document.getElementById('auth-modal').classList.add('open');
}
function closeAuthModal() { document.getElementById('auth-modal').classList.remove('open'); }
async function submitAuth() {
const email = document.getElementById('auth-email').value.trim();
const password = document.getElementById('auth-password').value;
if (!email || !password) { showToast('请填写邮箱和密码'); return; }
const btn = document.getElementById('auth-submit-btn');
btn.disabled = true; btn.textContent = '请稍候...';
const { data, error } = await (authMode === 'login'
? sb.auth.signInWithPassword({ email, password })
: sb.auth.signUp({ email, password }));
if (error) {
showToast('❌ ' + error.message);
} else if (authMode === 'login') {
sbUser = data.user; updateAuthUI();
await loadCloudData();
showToast('✅ 登录成功，数据已同步'); closeAuthModal();
} else {
showToast('✅ 注册成功！请查收验证邮件后登录'); setAuthMode('login');
}
btn.disabled = false; btn.textContent = authMode === 'login' ? '登录' : '注册';
}
async function logoutUser() {
await sb.auth.signOut(); sbUser = null; updateAuthUI(); closeAuthModal(); showToast('已退出登录');
}
async function loadCloudData() {
if (!sbUser) return;
const { data } = await sb.from('sync_data')
.select('data').eq('user_id', sbUser.id).eq('app_name', KB_APP).single();
if (!data?.data?.nodes?.length) return;
_loadingCloud = true;
for (const n of data.data.nodes) await DB.put(n);
_loadingCloud = false;
nodes = (await DB.all()).map(n => ({starred:false,...n}));
renderBubbles();
}
async function saveCloudData() {
if (!sbUser) return;
const allNodes = await DB.all();
await sb.from('sync_data').upsert({
user_id: sbUser.id, app_name: KB_APP,
data: { nodes: allNodes, saved_at: new Date().toISOString() },
updated_at: new Date().toISOString()
}, { onConflict: 'user_id,app_name' });
}
function scheduleSave() {
if (_loadingCloud) return;
clearTimeout(syncTimer); syncTimer = setTimeout(saveCloudData, 3000);
}
const DCOL = {cv:'#0ea5e9', llm:'#8b5cf6', gen:'#f97316'};
const DNAME = {cv:'计算机视觉', llm:'大语言模型', gen:'其他'};
const STALE_MS = 7 * 86400000;
// Stable DB name — never change this, or all user data will be lost on update
const DB_NAME = 'KnowledgeBubble';
const S = {
get key() { return localStorage.getItem('ds_key') || ''; },
set key(v) { localStorage.setItem('ds_key', v); },
get count() { return +(localStorage.getItem('sub_n') || 5); },
set count(v) { localStorage.setItem('sub_n', v); },
};
// ─── DB ──────────────────────────────────────────────────────────────────────
const DB = (() => {
let _db;
const open = () => new Promise((ok,fail) => {
const r = indexedDB.open(DB_NAME, 1);
r.onupgradeneeded = e => {
const d = e.target.result;
if (!d.objectStoreNames.contains('nodes')) d.createObjectStore('nodes',{keyPath:'id'});
};
r.onsuccess = e => { _db = e.target.result; ok(); };
r.onerror = fail;
});
const st = m => _db.transaction('nodes',m).objectStore('nodes');
const all = () => new Promise((ok,fail) => { const r=st('readonly').getAll(); r.onsuccess=()=>ok(r.result); r.onerror=fail; });
const put = item => new Promise((ok,fail) => { const r=st('readwrite').put(item); r.onsuccess=ok; r.onerror=fail; });
return {open,all,put};
})();
const SEEDS = [
{id:'cv', label:'计算机视觉', domain:'cv', level:0, parentId:null},
{id:'llm', label:'大语言模型', domain:'llm', level:0, parentId:null},
{id:'detection', label:'目标检测', domain:'cv', level:1, parentId:'cv'},
{id:'segmentation', label:'图像分割', domain:'cv', level:1, parentId:'cv'},
{id:'vit', label:'ViT', domain:'cv', level:1, parentId:'cv'},
{id:'multimodal', label:'多模态', domain:'cv', level:1, parentId:'cv'},
{id:'imggen', label:'图像生成', domain:'cv', level:1, parentId:'cv'},
{id:'transformer', label:'Transformer', domain:'llm', level:1, parentId:'llm'},
{id:'pretraining', label:'预训练', domain:'llm', level:1, parentId:'llm'},
{id:'rlhf', label:'RLHF', domain:'llm', level:1, parentId:'llm'},
{id:'agent', label:'Agent', domain:'llm', level:1, parentId:'llm'},
{id:'rag', label:'RAG', domain:'llm', level:1, parentId:'llm'},
];
// 包装 DB.put，每次写入后触发云同步
const _dbPut = DB.put.bind(DB);
DB.put = async (item) => { const r = await _dbPut(item); scheduleSave(); return r; };
// ─── Migrate from old DB names ────────────────────────────────────────────────
async function migrateFromOldDB() {
const OLD = ['KB5','KB4','KB3','KB2','KB1','KB'];
for (const name of OLD) {
try {
const items = await new Promise((ok) => {
const r = indexedDB.open(name, 1);
r.onerror = () => ok(null);
r.onupgradeneeded = e => { e.target.result.close(); ok(null); };
r.onsuccess = e => {
const db = e.target.result;
if (!db.objectStoreNames.contains('nodes')) { db.close(); ok(null); return; }
const req = db.transaction('nodes','readonly').objectStore('nodes').getAll();
req.onsuccess = () => { db.close(); ok(req.result); };
req.onerror = () => { db.close(); ok(null); };
};
});
if (items && items.length > 0) return items;
} catch(e) {}
}
return null;
}
// ─── API ─────────────────────────────────────────────────────────────────────
async function fetchContent(label, domain) {
const ctx = DNAME[domain] || '人工智能';
const prompt =
`你是${ctx}领域技术知识助手。为"${label}"生成学习卡片。
返回合法 JSON，字段值中换行用 \\n，不要输出 JSON 以外的任何内容：
{
"intuition": "核心直觉，20字以内",
"problem": "解决了什么问题，Markdown格式，100字左右",
"mechanism": "工作原理，Markdown格式含公式（用反引号），200字左右",
"code": "最小Python示例，约12行有注释，每行间用 \\\\n 分隔，不加代码围栏",
"papers": [{"title":"论文名","authors":"作者 et al.","year":2017,"url":"https://arxiv.org/abs/xxxx.xxxxx"}],
"subtopics": ["具体子概念1","具体子概念2","具体子概念3","具体子概念4","具体子概念5"]
}`;
const resp = await fetch('https://api.deepseek.com/v1/chat/completions', {
method:'POST',
headers:{'Authorization':`Bearer ${S.key}`,'Content-Type':'application/json'},
body:JSON.stringify({model:'deepseek-chat',messages:[{role:'user',content:prompt}],temperature:0.7,max_tokens:3000}),
});
if (!resp.ok) throw new Error(`API ${resp.status}`);
let raw = (await resp.json()).choices[0].message.content.trim();
if (raw.startsWith('```')) raw = raw.replace(/^```(?:json)?\n?/,'').replace(/\n?```$/,'');
const s = raw.indexOf('{'), e = raw.lastIndexOf('}');
if (s>=0 && e>s) raw = raw.slice(s,e+1);
raw = raw.replace(/\\(?!["\\/bfnrtu])/g, '\\\\');
return JSON.parse(raw);
}
// ─── State ───────────────────────────────────────────────────────────────────
let nodes = [];
let currentNodeId = null;
let breadcrumb = [];
let activeBubbleId = null;
let viewMode = 'normal';
const getNode = id => nodes.find(n => n.id === id);
const getChildren = pid => nodes.filter(n => n.parentId === pid);
const isStale = n => n.visited && n.lastClicked && (Date.now()-n.lastClicked) > STALE_MS;
// ─── Layouts ─────────────────────────────────────────────────────────────────
const LAYOUTS = [
[],[[50,50]],[[30,50],[70,50]],
[[50,27],[24,65],[76,65]],
[[28,30],[72,30],[22,68],[78,68]],
[[50,20],[80,42],[70,76],[30,76],[20,42]],
[[50,17],[78,30],[86,58],[66,82],[34,82],[14,58],[22,30]],
[[50,14],[74,24],[89,48],[80,74],[57,88],[33,88],[11,74],[26,24]],
[[50,13],[72,20],[89,38],[90,60],[74,80],[52,89],[30,80],[11,60],[11,38]],
];
function getLayout(n) {
if (n<=0) return [];
if (n<LAYOUTS.length) return LAYOUTS[n];
return Array.from({length:n},(_,i)=>{const c=4,row=Math.floor(i/c),col=i%c,rows=Math.ceil(n/c);return[14+col*24,22+row*(54/Math.max(rows-1,1))];});
}
// ─── Progress ring ───────────────────────────────────────────────────────────
function progressRing(node, sz) {
const kids = getChildren(node.id);
if (!kids.length && !node.childrenGenerated) return '';
const pct = kids.length ? kids.filter(k=>k.visited).length / kids.length : 0;
const pad = 9, full = sz + pad*2;
const cx = full/2, cy = full/2, r = sz/2 + 4;
const circ = 2*Math.PI*r;
const fill = pct * circ;
const col = DCOL[node.domain] || '#8b5cf6';
return `<svg class="pring" style="top:${-pad}px;left:${-pad}px;width:${full}px;height:${full}px" viewBox="0 0 ${full} ${full}">
<circle cx="${cx}" cy="${cy}" r="${r}" fill="none" stroke="rgba(139,92,246,.12)" stroke-width="2.5"/>
${fill>0.5?`<circle cx="${cx}" cy="${cy}" r="${r}" fill="none" stroke="${col}" stroke-width="2.5"
stroke-dasharray="${fill.toFixed(1)} ${circ.toFixed(1)}" stroke-linecap="round"
transform="rotate(-90 ${cx} ${cy})" opacity="0.65"/>`:''}
</svg>`;
}
// ─── Recommendations ─────────────────────────────────────────────────────────
function getRecommendations(current) {
const visited = nodes.filter(n=>n.visited && n.id!==current.id);
if (visited.length < 2) return [];
return nodes
.filter(n => !n.visited && n.id!==current.id && n.level>0 && n.parentId)
.map(n => ({n, score:(n.domain===current.domain?3:1) - Math.abs(n.level-current.level)*0.4}))
.sort((a,b)=>b.score-a.score)
.slice(0,3).map(x=>x.n);
}
// ─── Render bubbles ───────────────────────────────────────────────────────────
const FLOATS = ['f0','f1','f2','f3','f4','f5'];
function renderBubbles() {
const arena = document.getElementById('arena');
const backBtn = document.getElementById('back-btn');
let children;
if (viewMode === 'bookmarks') {
children = nodes.filter(n => n.starred);
backBtn.classList.remove('visible');
} else {
children = getChildren(currentNodeId);
backBtn.classList.toggle('visible', currentNodeId !== null);
}
if (children.length === 0) {
arena.innerHTML = `<div class="empty">
<div class="empty-icon">${viewMode==='bookmarks'?'⭐':'🌱'}</div>
<div class="empty-text">${viewMode==='bookmarks'?'还没有收藏的概念<br>点击面板右上角 ☆ 收藏':'点击气泡打开面板，<br>再点「深入探索」进入下一层'}</div>
</div>`;
return;
}
arena.innerHTML = '';
const positions = getLayout(children.length);
const vw = window.innerWidth, vh = window.innerHeight-52;
children.forEach((node, i) => {
const [cx,cy] = positions[i]||[50,50];
const maxSz = Math.min(vw,vh)*0.27;
const sz = Math.min(node.level===0?160:node.level===1?122:98, maxSz);
const kf = FLOATS[i%FLOATS.length];
const dur = 4.5+(i%4)*0.65, del = (i*0.48)%2.8, popDel = i*0.06;
const hasKids = node.childrenGenerated || getChildren(node.id).length>0;
const stale = isStale(node);
const cls = ['bubble',node.domain,
node.visited?'visited':'',
stale?'stale':'',
activeBubbleId===node.id?'selected':''
].filter(Boolean).join(' ');
const div = document.createElement('div');
div.className = cls;
div.dataset.id = node.id;
div.style.cssText = `left:${cx}%;top:${cy}%;
animation:popIn .48s cubic-bezier(.175,.885,.32,1.275) ${popDel}s backwards,
${kf} ${dur}s ease-in-out ${del}s infinite;`;
div.innerHTML = `<div class="bubble-wrap">
${progressRing(node, sz)}
<div class="bubble-body" style="width:${sz}px;height:${sz}px">
<div class="bubble-label">${node.label}</div>
<div class="bubble-dot"></div>
${hasKids?'<div class="bubble-arrow">▾ ▾</div>':''}
</div>
${node.starred?'<div class="bubble-star">⭐</div>':''}
</div>`;
div.addEventListener('click', ()=>onBubbleClick(node));
arena.appendChild(div);
});
}
function renderBreadcrumb() {
const nav = document.getElementById('breadcrumb');
if (viewMode==='bookmarks') {
nav.innerHTML = '<span class="crumb active">⭐ 收藏</span>';
return;
}
const crumbs = [{id:null,label:'首页'}, ...breadcrumb];
nav.innerHTML = crumbs.map((c,i)=>{
const last = i===crumbs.length-1;
return (i>0?'<span class="crumb-sep">›</span>':'')+
`<span class="crumb${last?' active':''}" data-idx="${i}">${c.label}</span>`;
}).join('');
nav.querySelectorAll('.crumb:not(.active)').forEach(el=>{
el.addEventListener('click',()=>{
const idx=+el.dataset.idx;
breadcrumb = idx===0?[]:breadcrumb.slice(0,idx);
currentNodeId = idx===0?null:breadcrumb[breadcrumb.length-1].id;
activeBubbleId=null; closePanel(); renderBreadcrumb(); renderBubbles();
});
});
}
function navigateBack() {
if (currentNodeId===null) return;
breadcrumb.pop();
currentNodeId = breadcrumb.length>0?breadcrumb[breadcrumb.length-1].id:null;
activeBubbleId=null; closePanel(); renderBreadcrumb(); renderBubbles();
}
// ─── Panel ───────────────────────────────────────────────────────────────────
function openPanel(node) {
activeBubbleId = node.id;
renderBubbles();
document.getElementById('panel').classList.add('open');
document.getElementById('panel-title').textContent = node.label;
document.getElementById('panel-intuition').textContent = node.content?.intuition||'生成中…';
const starBtn = document.getElementById('panel-star');
starBtn.textContent = node.starred?'★':'☆';
starBtn.classList.toggle('starred', !!node.starred);
document.querySelectorAll('.tab').forEach(t=>t.classList.toggle('active',t.dataset.tab==='concept'));
document.querySelectorAll('.tab-pane').forEach(p=>p.classList.toggle('active',p.id==='tab-concept'));
if (node.content) renderPanelContent(node.content, node);
else { setLoading(); loadContent(node); }
}
function closePanel() {
document.getElementById('panel').classList.remove('open');
activeBubbleId=null; renderBubbles();
}
function setLoading() {
const h=`<div class="loading"><div class="spinner"></div><p>AI 生成中…</p></div>`;
['concept','mechanism','code','papers'].forEach(t=>{ document.getElementById('tab-'+t).innerHTML=h; });
}
async function loadContent(node) {
if (!S.key) {
document.getElementById('tab-concept').innerHTML=`<div style="padding:12px;color:rgba(30,27,75,.45);font-size:13px;line-height:1.7">请先点右上角 ⚙ 填入 DeepSeek API Key</div>`;
document.getElementById('settings-modal').classList.add('open');
return;
}
try {
const c = await fetchContent(node.label, node.domain);
node.content=c; node.visited=true; node.lastClicked=Date.now();
await DB.put(node);
document.getElementById('panel-intuition').textContent=c.intuition;
renderPanelContent(c,node); renderBubbles();
if (!node.childrenGenerated) spawnChildren(node, c.subtopics);
} catch(err) {
document.getElementById('tab-concept').innerHTML=
`<div style="padding:12px;color:#b91c1c;font-size:13px;line-height:1.7">生成失败：${err.message}<br><small style="color:rgba(30,27,75,.38)">请检查 API Key 或稍后重试</small></div>`;
}
}
function renderPanelContent(c, node) {
const md = s => `<div class="md">${marked.parse(s||'')}</div>`;
const codeRaw = (c.code||'').replace(/\\n/g,'\n');
const stale = isStale(node);
const recs = getRecommendations(node);
let conceptHtml = '';
if (stale) conceptHtml += `<div class="stale-banner">⏰ 距上次学习已超过7天，建议复习</div>`;
conceptHtml += md(c.problem);
conceptHtml += `<div class="sec">延伸话题</div><div class="chips">${(c.subtopics||[]).map(s=>
`<span class="chip" data-label="${s}" data-parent="${node.id}" data-domain="${node.domain}">${s}</span>`
).join('')}</div>`;
if (recs.length) {
conceptHtml += `<div class="sec">推荐探索</div>`;
recs.forEach(r => {
conceptHtml += `<div class="rec-card" data-id="${r.id}">
<div class="rec-dot" style="background:${DCOL[r.domain]||'#8b5cf6'}"></div>
<div class="rec-label">${r.label}</div>
<div class="rec-domain">${DNAME[r.domain]||''}</div>
</div>`;
});
}
document.getElementById('tab-concept').innerHTML = conceptHtml;
document.getElementById('tab-mechanism').innerHTML = md(c.mechanism);
document.getElementById('tab-code').innerHTML = `<div class="md">${marked.parse('```python\n'+codeRaw+'\n```')}</div>`;
document.getElementById('tab-papers').innerHTML = (c.papers||[]).length
? (c.papers||[]).map(p=>`<div class="paper-card"><div class="paper-title">${p.title||''}</div><div class="paper-meta">${p.authors||''} · ${p.year||''}</div>${p.url?`<a class="paper-link" href="${p.url}" target="_blank" rel="noopener">→ 查看原文</a>`:''}</div>`).join('')
: `<div style="color:rgba(30,27,75,.28);font-size:13px">暂无论文信息</div>`;
document.querySelectorAll('#panel-body pre code').forEach(el=>hljs.highlightElement(el));
document.querySelectorAll('.chip').forEach(chip=>{
chip.addEventListener('click',()=>addNode(chip.dataset.label,chip.dataset.parent,chip.dataset.domain,true));
});
document.querySelectorAll('.rec-card').forEach(card=>{
card.addEventListener('click',()=>{
const n=getNode(card.dataset.id);
if(n) onBubbleClick(n);
});
});
}
// ─── Spawn / add ─────────────────────────────────────────────────────────────
async function spawnChildren(parent, subtopics) {
parent.childrenGenerated=true; await DB.put(parent);
const n=Math.min((subtopics||[]).length,S.count);
for(let i=0;i<n;i++){
const label=subtopics[i];
if(nodes.find(nd=>nd.label===label)) continue;
const id='n'+Date.now()+Math.random().toString(36).slice(2,5);
const nd={id,label,domain:parent.domain,level:parent.level+1,parentId:parent.id,clicks:0,visited:false,childrenGenerated:false,content:null,starred:false};
nodes.push(nd); await DB.put(nd);
}
if(currentNodeId===parent.id) renderBubbles();
}
async function addNode(label,parentId=null,domain='gen',andOpen=false){
const ex=nodes.find(n=>n.label===label);
if(ex){if(andOpen)onBubbleClick(ex);return;}
const id='n'+Date.now()+Math.random().toString(36).slice(2,5);
const parent=getNode(parentId);
const nd={id,label,domain:domain||parent?.domain||'gen',level:parent?parent.level+1:0,parentId:parentId||null,clicks:0,visited:false,childrenGenerated:false,content:null,starred:false};
nodes.push(nd); await DB.put(nd); renderBubbles();
if(andOpen)onBubbleClick(nd);
}
async function findBestParent(label){
if(!S.key) return {parentId:currentNodeId||null,domain:getNode(currentNodeId)?.domain||'gen'};
// 只用前两层节点做分类，保持prompt简短
const candidates=nodes.filter(n=>n.level<=1);
const list=candidates.map(n=>{
const pl=n.parentId?(getNode(n.parentId)?.label||'根节点'):'根节点';
return `id="${n.id}" label="${n.label}" domain="${n.domain}" 父="${pl}"`;
}).join('\n');
const prompt=`知识图谱现有节点：\n${list}\n\n新概念："${label}"\n\n判断新概念最适合放在哪个节点下。返回JSON：{"parentId":"节点id或null","domain":"cv或llm或gen"}\n只返回JSON，不要其他内容。`;
try{
const resp=await fetch('https://api.deepseek.com/v1/chat/completions',{
method:'POST',
headers:{'Authorization':`Bearer ${S.key}`,'Content-Type':'application/json'},
body:JSON.stringify({model:'deepseek-chat',messages:[{role:'user',content:prompt}],temperature:0.1,max_tokens:80}),
});
if(!resp.ok) throw new Error();
let raw=(await resp.json()).choices[0].message.content.trim();
if(raw.startsWith('```')) raw=raw.replace(/^```(?:json)?\n?/,'').replace(/\n?```$/,'');
const s=raw.indexOf('{'),e=raw.lastIndexOf('}');
if(s>=0&&e>s) raw=raw.slice(s,e+1);
raw=raw.replace(/\\(?!["\\/bfnrtu])/g,'\\\\');
const r=JSON.parse(raw);
if(r.parentId&&!getNode(r.parentId)) r.parentId=null;
return r;
}catch(e){
return {parentId:currentNodeId||null,domain:getNode(currentNodeId)?.domain||'gen'};
}
}
// ─── Explore ─────────────────────────────────────────────────────────────────
async function exploreNode(nodeId){
const node=getNode(nodeId); if(!node) return;
const btn=document.getElementById('explore-btn');
if(!node.childrenGenerated){
if(!S.key){document.getElementById('settings-modal').classList.add('open');return;}
btn.innerHTML='生成子话题中…'; btn.disabled=true;
try{
if(!node.content){
const c=await fetchContent(node.label,node.domain);
node.content=c; node.visited=true; node.lastClicked=Date.now();
await DB.put(node);
document.getElementById('panel-intuition').textContent=c.intuition;
renderPanelContent(c,node);
}
await spawnChildren(node,node.content.subtopics);
}catch(e){toast('生成失败：'+e.message);btn.innerHTML='深入探索，展开子话题 <span>→</span>';btn.disabled=false;return;}
}
closePanel();
breadcrumb.push({id:node.id,label:node.label});
currentNodeId=node.id;
renderBreadcrumb(); renderBubbles();
btn.innerHTML='深入探索，展开子话题 <span>→</span>'; btn.disabled=false;
}
// ─── Bubble click ─────────────────────────────────────────────────────────────
async function onBubbleClick(node){
node.clicks=(node.clicks||0)+1;
node.lastClicked=Date.now();
node.visited=true;
await DB.put(node);
openPanel(node);
}
// ─── Search ───────────────────────────────────────────────────────────────────
function renderSearchDropdown(q) {
const dd = document.getElementById('search-dropdown');
if (!q) { dd.classList.remove('open'); return; }
const matches = nodes.filter(n => n.label.toLowerCase().includes(q.toLowerCase())).slice(0,6);
if (!matches.length) {
dd.innerHTML = `<div class="sdrop-empty">按 Enter 添加「${q}」</div>`;
} else {
dd.innerHTML = matches.map(n => {
const path = n.parentId ? (getNode(n.parentId)?.label||'') : '';
return `<div class="sdrop-item" data-id="${n.id}">
<div class="sdrop-dot" style="background:${DCOL[n.domain]||'#8b5cf6'}"></div>
<div class="sdrop-label">${n.label}</div>
${path?`<div class="sdrop-path">${path}</div>`:''}
</div>`;
}).join('');
dd.querySelectorAll('.sdrop-item').forEach(el=>{
el.addEventListener('click',()=>{
const n=getNode(el.dataset.id);
if(n){onBubbleClick(n); dd.classList.remove('open'); document.getElementById('search-input').value='';}
});
});
}
dd.classList.add('open');
}
// ─── Star / bookmark ──────────────────────────────────────────────────────────
async function toggleStar(nodeId){
const node=getNode(nodeId); if(!node) return;
node.starred=!node.starred;
await DB.put(node);
const btn=document.getElementById('panel-star');
btn.textContent=node.starred?'★':'☆';
btn.classList.toggle('starred',node.starred);
toast(node.starred?`已收藏「${node.label}」`:`已取消收藏`);
renderBubbles();
}
// ─── Toast ────────────────────────────────────────────────────────────────────
function toast(msg){
const el=document.getElementById('toast');
el.textContent=msg; el.classList.add('show');
setTimeout(()=>el.classList.remove('show'),2200);
}
// ─── UI wiring ────────────────────────────────────────────────────────────────
function initUI(){
document.getElementById('panel-close').addEventListener('click',closePanel);
document.getElementById('panel-star').addEventListener('click',()=>{if(activeBubbleId)toggleStar(activeBubbleId);});
document.getElementById('arena').addEventListener('click',e=>{if(e.target===document.getElementById('arena'))closePanel();});
document.getElementById('back-btn').addEventListener('click',navigateBack);
document.getElementById('explore-btn').addEventListener('click',()=>{if(activeBubbleId)exploreNode(activeBubbleId);});
document.getElementById('bookmark-btn').addEventListener('click',()=>{
viewMode = viewMode==='bookmarks'?'normal':'bookmarks';
document.getElementById('bookmark-btn').classList.toggle('active',viewMode==='bookmarks');
activeBubbleId=null; closePanel(); renderBreadcrumb(); renderBubbles();
});
document.querySelectorAll('.tab').forEach(tab=>{
tab.addEventListener('click',()=>{
document.querySelectorAll('.tab').forEach(t=>t.classList.remove('active'));
document.querySelectorAll('.tab-pane').forEach(p=>p.classList.remove('active'));
tab.classList.add('active');
document.getElementById('tab-'+tab.dataset.tab).classList.add('active');
});
});
const si = document.getElementById('search-input');
si.addEventListener('input', e => renderSearchDropdown(e.target.value.trim()));
si.addEventListener('keydown', async e => {
if (e.key==='Escape') { document.getElementById('search-dropdown').classList.remove('open'); si.value=''; return; }
if (e.key==='Enter') {
const v=si.value.trim();
if(v){
si.value=''; document.getElementById('search-dropdown').classList.remove('open');
toast('正在智能归类…');
const {parentId,domain}=await findBestParent(v);
await addNode(v,parentId,domain,true);
const pLabel=parentId?getNode(parentId)?.label:'';
toast(pLabel?`已添加「${v}」→「${pLabel}」`:`已添加「${v}」`);
}
}
});
document.addEventListener('click', e => {
if (!document.getElementById('search-wrap').contains(e.target))
document.getElementById('search-dropdown').classList.remove('open');
});
document.getElementById('settings-btn').addEventListener('click',()=>{
document.getElementById('api-key-input').value=S.key;
document.getElementById('sub-count').value=S.count;
document.getElementById('settings-modal').classList.add('open');
});
document.getElementById('modal-cancel').addEventListener('click',()=>document.getElementById('settings-modal').classList.remove('open'));
document.getElementById('modal-save').addEventListener('click',()=>{
S.key=document.getElementById('api-key-input').value.trim();
S.count=+document.getElementById('sub-count').value;
document.getElementById('settings-modal').classList.remove('open');
toast('设置已保存');
});
document.getElementById('settings-modal').addEventListener('click',e=>{
if(e.target===document.getElementById('settings-modal'))document.getElementById('settings-modal').classList.remove('open');
});
let swipeX=0;
document.addEventListener('touchstart',e=>{swipeX=e.touches[0].clientX;},{passive:true});
document.addEventListener('touchend',e=>{
const dx=e.changedTouches[0].clientX-swipeX;
if(dx>72&¤tNodeId!==null&&!document.getElementById('panel').classList.contains('open'))navigateBack();
},{passive:true});