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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="utf-8">
<!-- CSP：把「密钥不出网」从 README 承诺变成浏览器强制——connect-src 'self' 之后页面里任何代码
（含将来更新 vendor 时被污染的库）都发不出外部请求。'unsafe-eval' 是 dc-runtime 编译逻辑类
所必需（support.js 内 new Function）；style 'unsafe-inline' 供模板内联样式与 helmet <style>；
img data: 供 favicon 与 QR 码。用 meta 而非响应头：四个部署平台（含 GitHub Pages）通吃。 -->
<meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; connect-src 'self'; object-src 'none'; base-uri 'none'; form-action 'none'">
<meta name="referrer" content="no-referrer">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="theme-color" content="#06090c">
<title>2FA</title>
<link rel="icon" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Crect width='64' height='64' rx='14' fill='%2306090c'/%3E%3Cpath d='M32 8 52 16v14c0 13-8.5 21-20 26-11.5-5-20-13-20-26V16z' fill='none' stroke='%2322d3ee' stroke-width='4' stroke-linejoin='round'/%3E%3Cpath d='M23 32l7 7 12-13' fill='none' stroke='%2322d3ee' stroke-width='5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E">
<!-- iOS 加主屏不认 SVG 图标（会拿白底截图充数）——补一张 180×180 不透明 PNG，方角由 iOS 自己裁圆 -->
<link rel="apple-touch-icon" href="./apple-touch-icon.png">
<link rel="manifest" href="./manifest.json">
<!-- qrcode.js（57KB）只在点"显示二维码"时才用——defer 让它不阻塞首屏（toggleQr 已守卫 typeof qrcode） -->
<script src="./vendor/qrcode.js" defer></script>
<script src="./support.js"></script>
</head>
<body>
<x-dc>
<helmet>
<style>
/* 本工具仅用到原 _ds/colors_and_type.css 里的这两个字体变量。
已移除 10MB 的 Alibaba PuHuiTi 网络字体，--font-sans 回退到系统中文字体。 */
:root{
--font-sans:'PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,'Liberation Mono',monospace;
}
*{box-sizing:border-box;}
html,body{background:#06090c;}
@keyframes gridPan{from{background-position:0 0,0 0;}to{background-position:64px 64px,64px 64px;}}
@keyframes auroraA{0%{transform:translate(-12%,-8%) scale(1);}50%{transform:translate(14%,12%) scale(1.3);}100%{transform:translate(-12%,-8%) scale(1);}}
@keyframes auroraB{0%{transform:translate(12%,14%) scale(1.15);}50%{transform:translate(-16%,-10%) scale(1);}100%{transform:translate(12%,14%) scale(1.15);}}
@keyframes scanMove{0%{transform:translateY(-10vh);opacity:0;}10%{opacity:.7;}90%{opacity:.7;}100%{transform:translateY(110vh);opacity:0;}}
@keyframes spinSlow{to{transform:rotate(360deg);}}
@keyframes spinRev{to{transform:rotate(-360deg);}}
@keyframes pulseDot{0%,100%{opacity:.4;transform:scale(.85);}50%{opacity:1;transform:scale(1.1);}}
@keyframes cardIn{from{transform:translateY(26px) scale(.965);}to{transform:none;}}
@keyframes borderGlow{0%,100%{box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent,#22d3ee) 22%,transparent),0 0 50px -14px color-mix(in srgb,var(--accent,#22d3ee) 50%,transparent);}50%{box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent,#22d3ee) 45%,transparent),0 0 80px -10px color-mix(in srgb,var(--accent,#22d3ee) 60%,transparent);}}
@keyframes codeGlow{0%,100%{text-shadow:0 0 14px color-mix(in srgb,var(--accent,#22d3ee) 45%,transparent);}50%{text-shadow:0 0 26px color-mix(in srgb,var(--accent,#22d3ee) 80%,transparent);}}
@keyframes flick{0%,100%{opacity:1;}50%{opacity:.82;}}
@keyframes sweepX{0%{transform:translateX(-130%);}100%{transform:translateX(130%);}}
textarea::placeholder,input::placeholder{color:rgba(255,255,255,.3);}
::selection{background:color-mix(in srgb,var(--accent,#22d3ee) 40%,transparent);}
/* a11y: 键盘焦点环——深色主题默认环几乎看不见。:focus-visible 只在键盘聚焦时显示，不打扰鼠标用户。 */
:focus-visible{outline:2px solid var(--accent,#22d3ee);outline-offset:2px;}
/* a11y: 尊重"减少动态效果"——关掉所有装饰性无限动画（省电 + 防前庭不适）。倒计时环 stroke 由内联 transition 表达真实状态，不受影响。 */
@media (prefers-reduced-motion: reduce){
*,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;animation-delay:0s !important;}
}
</style>
</helmet>
<div ref="{{ rootRef }}" role="main" style="position:relative;min-height:100vh;width:100%;display:flex;align-items:safe center;justify-content:center;padding:28px;overflow-x:hidden;overflow-y:auto;background:radial-gradient(120% 120% at 50% 0%,#0c151b 0%,#070b0e 55%,#04060800 100%),#06090c;font-family:var(--font-sans);color:#eaf2f5;">
<!-- ===== animated background ===== -->
<div style="position:absolute;inset:-2px;pointer-events:none;background-image:linear-gradient(to right,color-mix(in srgb,var(--accent,#22d3ee) 11%,transparent) 1px,transparent 1px),linear-gradient(to bottom,color-mix(in srgb,var(--accent,#22d3ee) 11%,transparent) 1px,transparent 1px);background-size:64px 64px;animation:gridPan 9s linear infinite;-webkit-mask-image:radial-gradient(110% 90% at 50% 45%,#000 25%,transparent 78%);mask-image:radial-gradient(110% 90% at 50% 45%,#000 25%,transparent 78%);opacity:.7;"></div>
<div style="position:absolute;top:-10%;left:-10%;width:55vmax;height:55vmax;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--accent,#22d3ee) 38%,transparent),transparent 68%);filter:blur(48px);opacity:.55;pointer-events:none;animation:auroraA 20s ease-in-out infinite;"></div>
<div style="position:absolute;bottom:-14%;right:-12%;width:50vmax;height:50vmax;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--accent,#22d3ee) 30%,transparent),transparent 70%);filter:blur(60px);opacity:.45;pointer-events:none;animation:auroraB 24s ease-in-out infinite;"></div>
<div style="position:absolute;left:0;right:0;height:18vh;pointer-events:none;background:linear-gradient(to bottom,transparent,color-mix(in srgb,var(--accent,#22d3ee) 9%,transparent),transparent);animation:scanMove 7s linear infinite;"></div>
<div style="position:absolute;inset:0;pointer-events:none;background:radial-gradient(130% 110% at 50% 50%,transparent 55%,rgba(2,4,6,.85) 100%);"></div>
<!-- ===== drag-to-import overlay ===== -->
<sc-if value="{{ dragging }}" hint-placeholder-val="{{ false }}">
<div style="position:fixed;inset:0;z-index:60;display:flex;align-items:center;justify-content:center;background:rgba(4,8,12,.8);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);pointer-events:none;">
<div style="border:2px dashed var(--accent,#22d3ee);border-radius:18px;padding:38px 56px;font-family:var(--font-mono);font-size:14px;letter-spacing:.12em;color:var(--accent,#22d3ee);text-transform:uppercase;">{{ t.dropToImport }}</div>
</div>
</sc-if>
<!-- ===== 时钟偏差警告（所有模式，含演示——码可能无效比投屏干净更要紧）===== -->
<sc-if value="{{ clockWarn }}" hint-placeholder-val="">
<div role="alert" style="position:fixed;top:52px;left:50%;transform:translateX(-50%);z-index:56;max-width:min(92vw,560px);padding:9px 16px;border:1px solid rgba(251,191,36,.4);border-radius:9999px;background:rgba(30,20,4,.88);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#fbbf24;font-family:var(--font-mono);font-size:11px;letter-spacing:.04em;text-align:center;">{{ clockWarn }}</div>
</sc-if>
<!-- ===== language toggle（演示模式下隐藏）===== -->
<sc-if value="{{ showLangToggle }}" hint-placeholder-val="{{ true }}">
<button onClick="{{ onToggleLang }}" aria-label="{{ langSwitchAria }}" style="position:fixed;top:14px;right:14px;z-index:55;height:30px;min-width:40px;padding:0 12px;border:1px solid rgba(255,255,255,.16);border-radius:9999px;background:rgba(8,13,17,.55);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#eaf2f5;font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.08em;cursor:pointer;" style-hover="background:rgba(255,255,255,.12);color:var(--accent,#22d3ee);">{{ langToggleLabel }}</button>
</sc-if>
<!-- ============ VIEW MODE ============ -->
<sc-if value="{{ isView }}" hint-placeholder-val="{{ false }}">
<div style="position:relative;z-index:1;width:100%;max-width:{{ viewMaxW }};display:flex;flex-direction:column;align-items:center;gap:24px;animation:cardIn .6s cubic-bezier(.2,.8,.2,1) both;">
<div style="position:relative;width:100%;border-radius:18px;padding:40px 34px 36px;background:linear-gradient(180deg,rgba(18,28,34,.66),rgba(8,13,17,.66));backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);animation:borderGlow 4.5s ease-in-out infinite;display:flex;flex-direction:column;align-items:center;gap:26px;overflow:hidden;">
<div style="position:absolute;top:14px;left:14px;width:18px;height:18px;border-top:2px solid var(--accent,#22d3ee);border-left:2px solid var(--accent,#22d3ee);opacity:.8;"></div>
<div style="position:absolute;top:14px;right:14px;width:18px;height:18px;border-top:2px solid var(--accent,#22d3ee);border-right:2px solid var(--accent,#22d3ee);opacity:.8;"></div>
<div style="position:absolute;bottom:14px;left:14px;width:18px;height:18px;border-bottom:2px solid var(--accent,#22d3ee);border-left:2px solid var(--accent,#22d3ee);opacity:.8;"></div>
<div style="position:absolute;bottom:14px;right:14px;width:18px;height:18px;border-bottom:2px solid var(--accent,#22d3ee);border-right:2px solid var(--accent,#22d3ee);opacity:.8;"></div>
<div style="display:flex;align-items:center;justify-content:space-between;width:100%;">
<div style="font-family:var(--font-mono);font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--accent,#22d3ee);max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;">{{ labelName }}</div>
<div style="display:flex;align-items:center;gap:7px;font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;color:rgba(234,242,245,.55);">
<span style="width:7px;height:7px;border-radius:50%;background:var(--accent,#22d3ee);box-shadow:0 0 10px var(--accent,#22d3ee);animation:pulseDot 1.6s ease-in-out infinite;"></span>LIVE
</div>
</div>
<div style="display:flex;align-items:center;gap:12px;">
<div style="display:flex;gap:8px;">
<sc-for list="{{ leftDigits }}" as="d" hint-placeholder-count="3">
<div style="width:{{ digitW }};height:{{ digitH }};display:flex;align-items:center;justify-content:center;border-radius:9px;border:1px solid color-mix(in srgb,var(--accent,#22d3ee) 28%,transparent);background:color-mix(in srgb,var(--accent,#22d3ee) 7%,rgba(255,255,255,.015));font-family:var(--font-mono);font-size:{{ digitF }};font-weight:600;color:#fff;animation:codeGlow 3s ease-in-out infinite;">{{ d }}</div>
</sc-for>
</div>
<div style="width:7px;height:7px;border-radius:50%;background:var(--accent,#22d3ee);box-shadow:0 0 12px var(--accent,#22d3ee);"></div>
<div style="display:flex;gap:8px;">
<sc-for list="{{ rightDigits }}" as="d" hint-placeholder-count="3">
<div style="width:{{ digitW }};height:{{ digitH }};display:flex;align-items:center;justify-content:center;border-radius:9px;border:1px solid color-mix(in srgb,var(--accent,#22d3ee) 28%,transparent);background:color-mix(in srgb,var(--accent,#22d3ee) 7%,rgba(255,255,255,.015));font-family:var(--font-mono);font-size:{{ digitF }};font-weight:600;color:#fff;animation:codeGlow 3s ease-in-out infinite;">{{ d }}</div>
</sc-for>
</div>
</div>
<sc-if value="{{ useRing }}" hint-placeholder-val="{{ true }}">
<div style="position:relative;width:64px;height:64px;">
<div style="position:absolute;inset:-3px;border-radius:50%;background:conic-gradient(from 0deg,transparent 0%,var(--accent,#22d3ee) 70%,transparent 100%);-webkit-mask:radial-gradient(circle,transparent 24px,#000 25px);mask:radial-gradient(circle,transparent 24px,#000 25px);opacity:.5;animation:spinSlow 3.5s linear infinite;"></div>
<svg width="64" height="64" viewBox="0 0 64 64" style="transform:rotate(-90deg);filter:drop-shadow(0 0 6px color-mix(in srgb,var(--accent,#22d3ee) 70%,transparent));">
<circle cx="32" cy="32" r="{{ ringR }}" fill="none" stroke="rgba(255,255,255,.09)" stroke-width="3"></circle>
<circle cx="32" cy="32" r="{{ ringR }}" fill="none" stroke="var(--accent,#22d3ee)" stroke-width="3" stroke-linecap="round" stroke-dasharray="{{ ringC }}" stroke-dashoffset="{{ ringOffset }}"></circle>
</svg>
<div style="position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:16px;color:var(--accent,#22d3ee);">{{ secondsLeft }}</div>
</div>
</sc-if>
<sc-if value="{{ useBar }}" hint-placeholder-val="{{ false }}">
<div style="width:100%;display:flex;flex-direction:column;gap:9px;align-items:center;">
<div style="width:100%;height:5px;border-radius:9999px;background:rgba(255,255,255,.08);overflow:hidden;">
<div style="height:100%;border-radius:9999px;background:var(--accent,#22d3ee);box-shadow:0 0 12px var(--accent,#22d3ee);width:{{ barWidth }};"></div>
</div>
<div style="font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:rgba(234,242,245,.5);">{{ secondsLeft }}S</div>
</div>
</sc-if>
<sc-if value="{{ showViewChrome }}" hint-placeholder-val="{{ true }}">
<button onClick="{{ onCopyCode }}" style="position:relative;width:100%;height:48px;border:1px solid color-mix(in srgb,var(--accent,#22d3ee) 50%,transparent);border-radius:9999px;background:color-mix(in srgb,var(--accent,#22d3ee) 14%,transparent);color:#fff;font-family:var(--font-mono);font-size:13px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;cursor:pointer;overflow:hidden;box-shadow:0 0 24px -10px var(--accent,#22d3ee);" style-hover="background:color-mix(in srgb,var(--accent,#22d3ee) 24%,transparent);box-shadow:0 0 34px -8px var(--accent,#22d3ee);">{{ copyLabel }}</button>
<button onClick="{{ onToggleQr }}" style="width:100%;height:40px;border:1px solid rgba(255,255,255,.16);border-radius:9999px;background:rgba(255,255,255,.05);color:#eaf2f5;font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;cursor:pointer;" style-hover="background:rgba(255,255,255,.1);">{{ qrLabel }}</button>
<sc-if value="{{ showQr }}" hint-placeholder-val="{{ false }}">
<div style="display:flex;flex-direction:column;align-items:center;gap:8px;padding:14px;border-radius:12px;background:#fff;">
<img src="{{ qrDataUrl }}" alt="otpauth QR" loading="lazy" decoding="async" style="width:180px;height:180px;image-rendering:pixelated;display:block;">
</div>
</sc-if>
</sc-if>
</div>
<sc-if value="{{ showViewChrome }}" hint-placeholder-val="{{ true }}">
<div style="display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:center;">
<button onClick="{{ onAddAnother }}" style="background:none;border:none;color:rgba(234,242,245,.5);font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;cursor:pointer;padding:8px 12px;border-radius:9999px;" style-hover="color:var(--accent,#22d3ee);">{{ t.newCode }}</button>
<span style="color:rgba(234,242,245,.2);font-size:11px;">·</span>
<button onClick="{{ onAddToBoard }}" style="background:none;border:none;color:rgba(234,242,245,.5);font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;cursor:pointer;padding:8px 12px;border-radius:9999px;" style-hover="color:var(--accent,#22d3ee);">{{ t.addToBoard }}</button>
<span style="color:rgba(234,242,245,.2);font-size:11px;">·</span>
<button onClick="{{ onEnterPresent }}" style="background:none;border:none;color:rgba(234,242,245,.5);font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;cursor:pointer;padding:8px 12px;border-radius:9999px;" style-hover="color:var(--accent,#22d3ee);">{{ t.presentMode }}</button>
</div>
</sc-if>
<sc-if value="{{ isPresent }}" hint-placeholder-val="{{ false }}">
<button onClick="{{ onExitPresent }}" style="background:none;border:none;color:rgba(234,242,245,.6);font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;cursor:pointer;padding:8px 14px;border-radius:9999px;" style-hover="color:var(--accent,#22d3ee);">{{ t.exitPresent }}</button>
</sc-if>
</div>
</sc-if>
<!-- ============ SETUP MODE ============ -->
<sc-if value="{{ isSetup }}" hint-placeholder-val="{{ true }}">
<div style="position:relative;z-index:1;width:100%;max-width:480px;animation:cardIn .6s cubic-bezier(.2,.8,.2,1) both;">
<div style="position:relative;border-radius:18px;padding:30px;background:linear-gradient(180deg,rgba(18,28,34,.66),rgba(8,13,17,.66));backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);animation:borderGlow 4.5s ease-in-out infinite;display:flex;flex-direction:column;gap:20px;overflow:hidden;">
<div style="position:absolute;top:14px;left:14px;width:16px;height:16px;border-top:2px solid var(--accent,#22d3ee);border-left:2px solid var(--accent,#22d3ee);opacity:.8;"></div>
<div style="position:absolute;top:14px;right:14px;width:16px;height:16px;border-top:2px solid var(--accent,#22d3ee);border-right:2px solid var(--accent,#22d3ee);opacity:.8;"></div>
<div style="position:absolute;bottom:14px;left:14px;width:16px;height:16px;border-bottom:2px solid var(--accent,#22d3ee);border-left:2px solid var(--accent,#22d3ee);opacity:.8;"></div>
<div style="position:absolute;bottom:14px;right:14px;width:16px;height:16px;border-bottom:2px solid var(--accent,#22d3ee);border-right:2px solid var(--accent,#22d3ee);opacity:.8;"></div>
<div style="display:flex;align-items:center;justify-content:space-between;gap:12px;">
<div style="font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:rgba(234,242,245,.55);">{{ t.newCodeTitle }}</div>
<button onClick="{{ onGoBoard }}" style="height:32px;padding:0 14px;border:1px solid rgba(255,255,255,.16);border-radius:9999px;background:rgba(255,255,255,.05);color:#eaf2f5;font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;" style-hover="background:rgba(255,255,255,.1);color:var(--accent,#22d3ee);">{{ t.boardNav }}</button>
</div>
<label style="display:flex;flex-direction:column;gap:9px;">
<span style="display:flex;align-items:center;justify-content:space-between;font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent,#22d3ee);">
<span>{{ t.secretLabel }}</span>
<button onClick="{{ onScanImport }}" style="border:1px solid rgba(255,255,255,.16);border-radius:9999px;background:rgba(255,255,255,.05);color:#eaf2f5;font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;padding:4px 12px;cursor:pointer;text-transform:uppercase;" style-hover="background:rgba(255,255,255,.1);">{{ t.scanImport }}</button>
</span>
<textarea onChange="{{ onInput }}" value="{{ inputValue }}" rows="2" placeholder="{{ t.secretPlaceholder }}" spellcheck="false" autocapitalize="off" autocorrect="off" autocomplete="off" style="width:100%;font-family:var(--font-mono);font-size:14px;line-height:1.6;resize:none;padding:13px 15px;border:1px solid rgba(255,255,255,.14);border-radius:10px;background:rgba(255,255,255,.04);color:#eaf2f5;outline:none;" style-focus="border-color:var(--accent,#22d3ee);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent,#22d3ee) 18%,transparent);"></textarea>
</label>
<sc-if value="{{ error }}" hint-placeholder-val="">
<div style="font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:#f0a;margin-top:-8px;opacity:.85;">⚠ {{ error }}</div>
</sc-if>
<sc-if value="{{ importMsg }}" hint-placeholder-val="">
<div style="font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:rgba(234,242,245,.6);margin-top:-8px;">{{ importMsg }}</div>
</sc-if>
<label style="display:flex;flex-direction:column;gap:9px;">
<span style="font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent,#22d3ee);">{{ t.labelLabel }}</span>
<input onChange="{{ onLabel }}" value="{{ inputLabel }}" placeholder="{{ t.labelPlaceholder }}" spellcheck="false" style="width:100%;font-family:var(--font-sans);font-size:14px;padding:12px 15px;border:1px solid rgba(255,255,255,.14);border-radius:10px;background:rgba(255,255,255,.04);color:#eaf2f5;outline:none;" style-focus="border-color:var(--accent,#22d3ee);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent,#22d3ee) 18%,transparent);">
</label>
<sc-if value="{{ hasParsed }}" hint-placeholder-val="{{ false }}">
<div style="display:flex;flex-direction:column;gap:18px;border-top:1px solid rgba(255,255,255,.1);padding-top:22px;">
<div style="display:flex;align-items:center;justify-content:space-between;gap:16px;">
<div onClick="{{ onCopyCode }}" onKeyDown="{{ onCopyKey }}" role="button" tabindex="0" aria-label="{{ copyAria }}" title="{{ copyAria }}" style="display:flex;align-items:center;gap:7px;cursor:pointer;user-select:none;">
<sc-for list="{{ leftDigits }}" as="d" hint-placeholder-count="3">
<div style="width:38px;height:52px;display:flex;align-items:center;justify-content:center;border-radius:8px;border:1px solid color-mix(in srgb,var(--accent,#22d3ee) 28%,transparent);background:color-mix(in srgb,var(--accent,#22d3ee) 7%,transparent);font-family:var(--font-mono);font-size:30px;font-weight:600;color:#fff;animation:codeGlow 3s ease-in-out infinite;">{{ d }}</div>
</sc-for>
<div style="width:5px;height:5px;border-radius:50%;background:var(--accent,#22d3ee);box-shadow:0 0 8px var(--accent,#22d3ee);margin:0 1px;"></div>
<sc-for list="{{ rightDigits }}" as="d" hint-placeholder-count="3">
<div style="width:38px;height:52px;display:flex;align-items:center;justify-content:center;border-radius:8px;border:1px solid color-mix(in srgb,var(--accent,#22d3ee) 28%,transparent);background:color-mix(in srgb,var(--accent,#22d3ee) 7%,transparent);font-family:var(--font-mono);font-size:30px;font-weight:600;color:#fff;animation:codeGlow 3s ease-in-out infinite;">{{ d }}</div>
</sc-for>
</div>
<div style="position:relative;width:50px;height:50px;flex:none;">
<svg width="50" height="50" viewBox="0 0 50 50" style="transform:rotate(-90deg);filter:drop-shadow(0 0 5px color-mix(in srgb,var(--accent,#22d3ee) 70%,transparent));">
<circle cx="25" cy="25" r="20" fill="none" stroke="rgba(255,255,255,.09)" stroke-width="3"></circle>
<circle cx="25" cy="25" r="20" fill="none" stroke="var(--accent,#22d3ee)" stroke-width="3" stroke-linecap="round" stroke-dasharray="{{ ringCsm }}" stroke-dashoffset="{{ ringOffsetSm }}"></circle>
</svg>
<div style="position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:14px;color:var(--accent,#22d3ee);">{{ secondsLeft }}</div>
</div>
</div>
<button onClick="{{ onCopyCode }}" style="width:100%;height:46px;border:1px solid color-mix(in srgb,var(--accent,#22d3ee) 50%,transparent);border-radius:9999px;background:color-mix(in srgb,var(--accent,#22d3ee) 14%,transparent);color:#fff;font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;cursor:pointer;box-shadow:0 0 22px -10px var(--accent,#22d3ee);" style-hover="background:color-mix(in srgb,var(--accent,#22d3ee) 24%,transparent);box-shadow:0 0 30px -8px var(--accent,#22d3ee);">{{ copyLabel }}</button>
<button onClick="{{ onToggleQr }}" style="width:100%;height:42px;border:1px solid rgba(255,255,255,.16);border-radius:9999px;background:rgba(255,255,255,.05);color:#eaf2f5;font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;cursor:pointer;" style-hover="background:rgba(255,255,255,.1);">{{ qrLabel }}</button>
<sc-if value="{{ showQr }}" hint-placeholder-val="{{ false }}">
<div style="display:flex;justify-content:center;padding:14px;border-radius:12px;background:#fff;">
<img src="{{ qrDataUrl }}" alt="otpauth QR" loading="lazy" decoding="async" style="width:180px;height:180px;image-rendering:pixelated;display:block;">
</div>
</sc-if>
<div style="display:flex;flex-direction:column;gap:12px;">
<span style="font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent,#22d3ee);">{{ t.bookmark }}</span>
<div style="font-family:var(--font-mono);font-size:12px;line-height:1.7;color:rgba(234,242,245,.7);word-break:break-all;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);padding:13px 15px;border-radius:10px;">{{ url }}</div>
<div style="display:flex;gap:10px;">
<button onClick="{{ onCopyUrl }}" style="flex:1;height:46px;border:1px solid color-mix(in srgb,var(--accent,#22d3ee) 50%,transparent);border-radius:9999px;background:color-mix(in srgb,var(--accent,#22d3ee) 14%,transparent);color:#fff;font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;cursor:pointer;box-shadow:0 0 22px -10px var(--accent,#22d3ee);" style-hover="background:color-mix(in srgb,var(--accent,#22d3ee) 24%,transparent);">{{ urlCopyLabel }}</button>
<button onClick="{{ onOpenUrl }}" style="height:46px;padding:0 22px;border:1px solid rgba(255,255,255,.16);border-radius:9999px;background:rgba(255,255,255,.05);color:#eaf2f5;font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;cursor:pointer;" style-hover="background:rgba(255,255,255,.1);">{{ t.open }}</button>
</div>
</div>
<div style="display:flex;flex-direction:column;gap:10px;border-top:1px solid rgba(255,255,255,.08);padding-top:18px;">
<button onClick="{{ onTogglePresent }}" style="align-self:flex-start;height:38px;padding:0 16px;border:1px solid rgba(255,255,255,.16);border-radius:9999px;background:rgba(255,255,255,.05);color:#eaf2f5;font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;cursor:pointer;" style-hover="background:rgba(255,255,255,.1);color:var(--accent,#22d3ee);">{{ presentToggleLabel }}</button>
<sc-if value="{{ presentPanel }}" hint-placeholder-val="{{ false }}">
<div style="display:flex;flex-direction:column;gap:11px;">
<div style="font-family:var(--font-sans);font-size:12px;line-height:1.7;color:rgba(234,242,245,.68);">{{ t.presentDesc }}</div>
<div style="display:flex;align-items:flex-start;gap:8px;font-family:var(--font-sans);font-size:12px;line-height:1.6;color:#fbbf24;background:rgba(251,191,36,.08);border:1px solid rgba(251,191,36,.25);border-radius:10px;padding:11px 13px;">
<span style="flex:none;">⚠️</span><span>{{ t.presentWarnPrefix }}<b>{{ t.presentWarnBold }}</b>{{ t.presentWarnSuffix }}</span>
</div>
<button onClick="{{ onToggleNolabel }}" style="align-self:flex-start;background:none;border:none;color:rgba(234,242,245,.6);font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;cursor:pointer;padding:2px 0;" style-hover="color:var(--accent,#22d3ee);">{{ nolabelLabel }}</button>
<div style="font-family:var(--font-mono);font-size:12px;line-height:1.7;color:rgba(234,242,245,.7);word-break:break-all;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);padding:13px 15px;border-radius:10px;">{{ presentUrl }}</div>
<div style="display:flex;gap:10px;">
<button onClick="{{ onCopyPresentUrl }}" style="flex:1;height:46px;border:1px solid color-mix(in srgb,var(--accent,#22d3ee) 50%,transparent);border-radius:9999px;background:color-mix(in srgb,var(--accent,#22d3ee) 14%,transparent);color:#fff;font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;cursor:pointer;" style-hover="background:color-mix(in srgb,var(--accent,#22d3ee) 24%,transparent);">{{ presentCopyLabel }}</button>
<button onClick="{{ onOpenPresentUrl }}" style="height:46px;padding:0 22px;border:1px solid rgba(255,255,255,.16);border-radius:9999px;background:rgba(255,255,255,.05);color:#eaf2f5;font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;cursor:pointer;" style-hover="background:rgba(255,255,255,.1);">{{ t.open }}</button>
</div>
</div>
</sc-if>
</div>
</div>
</sc-if>
</div>
</div>
</sc-if>
<!-- ============ BOARD MODE ============ -->
<sc-if value="{{ isBoard }}" hint-placeholder-val="{{ false }}">
<div style="position:relative;z-index:1;width:100%;max-width:920px;display:flex;flex-direction:column;gap:18px;animation:cardIn .6s cubic-bezier(.2,.8,.2,1) both;">
<div style="display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;">
<div style="display:flex;flex-direction:column;gap:5px;">
<div style="font-family:var(--font-mono);font-size:13px;letter-spacing:.26em;text-transform:uppercase;color:var(--accent,#22d3ee);">{{ t.boardTitle }}</div>
<div style="font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:rgba(234,242,245,.5);">{{ boardCount }}</div>
</div>
<div style="display:flex;gap:9px;flex-wrap:wrap;">
<button onClick="{{ onToggleImport }}" style="height:38px;padding:0 16px;border:1px solid color-mix(in srgb,var(--accent,#22d3ee) 50%,transparent);border-radius:9999px;background:color-mix(in srgb,var(--accent,#22d3ee) 14%,transparent);color:#fff;font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;" style-hover="background:color-mix(in srgb,var(--accent,#22d3ee) 24%,transparent);">{{ t.boardImport }}</button>
<button onClick="{{ onExport }}" style="height:38px;padding:0 16px;border:1px solid rgba(255,255,255,.16);border-radius:9999px;background:rgba(255,255,255,.05);color:#eaf2f5;font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;" style-hover="background:rgba(255,255,255,.1);">{{ t.boardExport }}</button>
<button onClick="{{ onClearBoard }}" style="height:38px;padding:0 16px;border:1px solid rgba(255,255,255,.16);border-radius:9999px;background:rgba(255,255,255,.05);color:rgba(234,242,245,.7);font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;" style-hover="background:rgba(251,113,133,.14);border-color:rgba(251,113,133,.4);color:#fb7185;">{{ clearLabel }}</button>
<button onClick="{{ onGoSetup }}" style="height:38px;padding:0 16px;border:1px solid rgba(255,255,255,.16);border-radius:9999px;background:rgba(255,255,255,.05);color:#eaf2f5;font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;" style-hover="background:rgba(255,255,255,.1);">{{ t.boardSingle }}</button>
</div>
</div>
<sc-if value="{{ boardMsg }}" hint-placeholder-val="">
<div style="font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:rgba(234,242,245,.65);">{{ boardMsg }}</div>
</sc-if>
<sc-if value="{{ importOpen }}" hint-placeholder-val="{{ false }}">
<div style="border-radius:14px;padding:18px;background:linear-gradient(180deg,rgba(18,28,34,.62),rgba(8,13,17,.62));border:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;gap:13px;">
<div style="font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent,#22d3ee);">{{ t.importTitle }}</div>
<div style="display:flex;gap:9px;flex-wrap:wrap;">
<button onClick="{{ onPickFile }}" style="height:38px;padding:0 15px;border:1px solid rgba(255,255,255,.16);border-radius:10px;background:rgba(255,255,255,.05);color:#eaf2f5;font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;cursor:pointer;" style-hover="background:rgba(255,255,255,.1);">{{ t.pickFile }}</button>
<button onClick="{{ onReadClipboard }}" style="height:38px;padding:0 15px;border:1px solid rgba(255,255,255,.16);border-radius:10px;background:rgba(255,255,255,.05);color:#eaf2f5;font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;cursor:pointer;" style-hover="background:rgba(255,255,255,.1);">{{ t.readClipboard }}</button>
<button onClick="{{ onScanBoard }}" style="height:38px;padding:0 15px;border:1px solid rgba(255,255,255,.16);border-radius:10px;background:rgba(255,255,255,.05);color:#eaf2f5;font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;cursor:pointer;" style-hover="background:rgba(255,255,255,.1);">{{ t.scanGA }}</button>
</div>
<textarea onChange="{{ onPasteImport }}" value="{{ pasteValue }}" rows="3" placeholder="{{ t.pastePlaceholder }}" spellcheck="false" autocapitalize="off" autocorrect="off" autocomplete="off" style="width:100%;font-family:var(--font-mono);font-size:12px;line-height:1.6;resize:vertical;padding:12px 14px;border:1px solid rgba(255,255,255,.14);border-radius:10px;background:rgba(255,255,255,.04);color:#eaf2f5;outline:none;" style-focus="border-color:var(--accent,#22d3ee);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent,#22d3ee) 18%,transparent);"></textarea>
<button onClick="{{ onCommitPaste }}" style="align-self:flex-start;height:40px;padding:0 20px;border:1px solid color-mix(in srgb,var(--accent,#22d3ee) 50%,transparent);border-radius:9999px;background:color-mix(in srgb,var(--accent,#22d3ee) 14%,transparent);color:#fff;font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;" style-hover="background:color-mix(in srgb,var(--accent,#22d3ee) 24%,transparent);">{{ t.parseImport }}</button>
<div style="font-family:var(--font-mono);font-size:10px;color:rgba(234,242,245,.6);line-height:1.7;">{{ t.importHint }}</div>
</div>
</sc-if>
<sc-if value="{{ exportOpen }}" hint-placeholder-val="{{ false }}">
<div style="border-radius:14px;padding:18px;background:linear-gradient(180deg,rgba(18,28,34,.62),rgba(8,13,17,.62));border:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;gap:13px;">
<div style="font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent,#22d3ee);">{{ t.exportTitle }}</div>
<textarea readonly rows="3" value="{{ exportText }}" spellcheck="false" style="width:100%;font-family:var(--font-mono);font-size:11px;line-height:1.6;resize:vertical;padding:12px 14px;border:1px solid rgba(255,255,255,.12);border-radius:10px;background:rgba(255,255,255,.03);color:rgba(234,242,245,.75);outline:none;word-break:break-all;"></textarea>
<div style="display:flex;gap:9px;flex-wrap:wrap;">
<button onClick="{{ onCopyLinks }}" style="height:40px;padding:0 18px;border:1px solid color-mix(in srgb,var(--accent,#22d3ee) 50%,transparent);border-radius:9999px;background:color-mix(in srgb,var(--accent,#22d3ee) 14%,transparent);color:#fff;font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;" style-hover="background:color-mix(in srgb,var(--accent,#22d3ee) 24%,transparent);">{{ linksCopyLabel }}</button>
<button onClick="{{ onDownloadLinks }}" style="height:40px;padding:0 18px;border:1px solid rgba(255,255,255,.16);border-radius:9999px;background:rgba(255,255,255,.05);color:#eaf2f5;font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;" style-hover="background:rgba(255,255,255,.1);">{{ t.downloadTxt }}</button>
<button onClick="{{ onCopyBoardUrl }}" style="height:40px;padding:0 18px;border:1px solid rgba(255,255,255,.16);border-radius:9999px;background:rgba(255,255,255,.05);color:#eaf2f5;font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;" style-hover="background:rgba(255,255,255,.1);">{{ boardUrlCopyLabel }}</button>
</div>
<div style="font-family:var(--font-mono);font-size:10px;color:rgba(234,242,245,.6);line-height:1.7;">{{ t.exportHint }}</div>
</div>
</sc-if>
<sc-if value="{{ boardEmpty }}" hint-placeholder-val="{{ false }}">
<div onClick="{{ onToggleImport }}" style="cursor:pointer;border:1px dashed color-mix(in srgb,var(--accent,#22d3ee) 35%,transparent);border-radius:16px;padding:52px 24px;text-align:center;display:flex;flex-direction:column;gap:11px;align-items:center;background:rgba(255,255,255,.015);" style-hover="border-color:var(--accent,#22d3ee);background:color-mix(in srgb,var(--accent,#22d3ee) 6%,transparent);">
<div style="font-size:34px;color:var(--accent,#22d3ee);">▦</div>
<div style="font-family:var(--font-sans);font-size:15px;color:#eaf2f5;">{{ t.emptyDrop }}</div>
<div style="font-family:var(--font-mono);font-size:11px;color:rgba(234,242,245,.5);line-height:1.8;">{{ t.emptyHint1 }}<br>{{ t.emptyHint2 }}</div>
</div>
</sc-if>
<sc-if value="{{ hasAccounts }}" hint-placeholder-val="{{ true }}">
<div style="display:grid;grid-template-columns:repeat(auto-fill,minmax(208px,1fr));gap:14px;">
<sc-for list="{{ boardCards }}" as="card" hint-placeholder-count="6">
<div onClick="{{ card.onCopy }}" onKeyDown="{{ card.onKey }}" role="button" tabindex="0" aria-label="{{ card.copyAria }}" title="{{ card.copyAria }}" style="--c:{{ card.color }};position:relative;cursor:pointer;border-radius:14px;padding:15px 16px 13px;background:linear-gradient(180deg,rgba(18,28,34,.6),rgba(8,13,17,.6));border:1px solid color-mix(in srgb,var(--c) 26%,transparent);box-shadow:0 0 26px -16px var(--c);overflow:hidden;display:flex;flex-direction:column;gap:11px;" style-hover="border-color:color-mix(in srgb,var(--c) 55%,transparent);box-shadow:0 0 32px -10px var(--c);">
<div style="display:flex;align-items:center;gap:10px;min-width:0;">
<div style="flex:none;width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:14px;font-weight:700;color:#04060a;background:var(--c);box-shadow:0 0 14px -4px var(--c);">{{ card.initial }}</div>
<div style="min-width:0;display:flex;flex-direction:column;gap:1px;flex:1;">
<div style="font-family:var(--font-sans);font-size:13px;font-weight:600;color:#eaf2f5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;">{{ card.label }}</div>
<div style="font-family:var(--font-mono);font-size:10px;letter-spacing:.06em;color:rgba(234,242,245,.6);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;">{{ card.sub }}</div>
</div>
<div style="display:flex;gap:2px;flex:none;">
<button onClick="{{ card.onOpen }}" title="{{ t.cardOpenTitle }}" aria-label="{{ t.cardOpenTitle }}" style="width:24px;height:24px;border:none;border-radius:6px;background:transparent;color:rgba(234,242,245,.45);font-family:var(--font-mono);font-size:13px;line-height:1;padding:0;cursor:pointer;" style-hover="background:rgba(255,255,255,.09);color:var(--accent,#22d3ee);">↗</button>
<button onClick="{{ card.onCopyLink }}" title="{{ t.cardLinkTitle }}" aria-label="{{ t.cardLinkTitle }}" style="width:24px;height:24px;border:none;border-radius:6px;background:transparent;color:rgba(234,242,245,.45);font-size:11px;line-height:1;padding:0;cursor:pointer;" style-hover="background:rgba(255,255,255,.09);color:var(--accent,#22d3ee);">🔗</button>
<button onClick="{{ card.onRemove }}" title="{{ card.removeTitle }}" aria-label="{{ card.removeTitle }}" style="width:24px;height:24px;border:none;border-radius:6px;background:{{ card.removeBg }};color:{{ card.removeColor }};font-family:var(--font-mono);font-size:13px;line-height:1;padding:0;cursor:pointer;" style-hover="background:rgba(251,113,133,.16);color:#fb7185;">✕</button>
</div>
</div>
<div style="font-family:var(--font-mono);font-size:29px;font-weight:600;letter-spacing:.06em;color:#fff;text-shadow:0 0 18px color-mix(in srgb,var(--c) 55%,transparent);">{{ card.codeFmt }}</div>
<div style="display:flex;align-items:center;gap:9px;">
<div style="flex:1;height:4px;border-radius:9999px;background:rgba(255,255,255,.08);overflow:hidden;">
<div style="height:100%;border-radius:9999px;background:var(--c);box-shadow:0 0 10px var(--c);width:{{ card.barWidth }};"></div>
</div>
<div style="font-family:var(--font-mono);font-size:10px;letter-spacing:.06em;color:color-mix(in srgb,var(--c) 75%,#9fb3bf);min-width:56px;text-align:right;">{{ card.foot }}</div>
</div>
</div>
</sc-for>
</div>
</sc-if>
</div>
</sc-if>
</div>
</x-dc>
<script type="text/x-dc" data-dc-script data-props="{"$preview":{"width":600,"height":760},"accentColor":{"editor":"color","options":["#22d3ee","#34d399","#a78bfa","#8fb0c4","#fb7185"],"default":"#22d3ee","tsType":"string"},"progressStyle":{"editor":"enum","options":["ring","bar"],"default":"ring","tsType":"'ring'|'bar'"}}">
// ==================== i18n 文案字典（无构建：纯对象 + 路径绑定） ====================
const STR = {
zh: {
langToggle: 'EN', langSwitchAria: 'Switch to English',
live: 'LIVE', open: '打开', copied: '已复制 ✓',
dropToImport: '松开以导入账号',
code: '验证码',
copyCode: '复制验证码', showQr: '显示二维码 ⃞', hideQr: '隐藏二维码',
newCode: '+ 新建验证码', addToBoard: '加入看板', presentMode: '🖥 演示模式', exitPresent: '✕ 退出演示',
newCodeTitle: '新建验证码', boardNav: '▦ 多账号看板',
secretLabel: '密钥 / SECRET', scanImport: '⃞ 扫码导入', secretPlaceholder: '粘贴 2FA 密钥，或 otpauth:// 链接',
labelLabel: '账号名称 / LABEL', labelPlaceholder: '例如 GitHub',
bookmark: '专属链接 / BOOKMARK', copyLink: '复制链接',
presentLinkShow: '🖥 演示模式链接', presentLinkHide: '🖥 隐藏演示链接',
presentDesc: '打开后只显示放大的验证码、隐藏二维码——适合投屏 / 录屏 / 当面给人读，避免把密钥二维码暴露在屏幕上。',
presentWarnPrefix: '它只防', presentWarnBold: '你这边屏幕', presentWarnSuffix: '暴露。链接本身仍含密钥，发给别人 = 对方拿到密钥——请走可信渠道，用后及时轮换。',
nolabelOff: '☐ 连账号名也隐藏', nolabelOn: '☑ 连账号名也隐藏', copyPresentLink: '复制演示链接',
boardTitle: '▦ 多号看板', boardImport: '＋ 导入', boardExport: '导出', boardClear: '清空', boardClearConfirm: '再点一次确认清空', boardSingle: '单条',
importTitle: '导入账号', pickFile: '选择文件 .txt/.csv/.json', readClipboard: '读取剪贴板', scanGA: '扫码 (含 GA 迁移码)',
pastePlaceholder: '或在此粘贴多个链接，每行一个（otpauth:// 或本工具的书签链接）', parseImport: '解析并导入',
importHint: '也可把文件直接拖到页面任意位置。本地仅作缓存，清空无妨——重新导入即恢复。',
exportTitle: '导出账号', copyAllLinks: '复制全部链接', downloadTxt: '下载 .txt', copyBoardLink: '复制看板链接',
exportHint: '「复制全部链接」可粘回你的 txt；「看板链接」把整组编码进一个书签，换设备打开即恢复——注意它包含全部密钥，请妥善保存。',
emptyDrop: '把账号链接文件拖到这里', emptyHint1: '支持 .txt / .md / .yaml（每行一个链接）', emptyHint2: '或点此粘贴链接 / 扫 Google Authenticator 迁移码',
boardNone: '还没有账号', accountFallback: (i) => '账号 ' + i,
accountsCount: (n) => n + ' 个账号', copyCodeOf: (l) => '复制 ' + l + ' 的验证码',
cardOpenTitle: '打开单号页', cardLinkTitle: '复制该号链接', cardRemoveTitle: '移除',
cardRemoveConfirm: '再点一次确认移除',
removedMsg: (l) => '已移除「' + l + '」（重新导入即可恢复）',
cardLinkCopied: '已复制该账号链接 ✓——链接含密钥，请走可信渠道',
imported: (n) => '已导入 ' + n + ' 个账号 ✓', importCap: (n) => '已达上限 ' + n + ' 个账号，多余的已忽略',
alreadyInBoard: '这些账号已在看板中', noLinksFound: '未识别到账号链接', noLinksInFile: '文件中未识别到账号链接', noLinksDrop: '未在拖入内容中识别到账号链接',
boardLinkBad: '看板链接无法解析（可能被截断或损坏）', cleared: '已清空（重新导入即可恢复）',
boardUrlLong: (kb) => '注意：看板链接约 ' + kb + 'KB，部分浏览器的书签 / 同步会截断长链接——账号多时建议用「下载 .txt」保存底账',
clockSkewWarn: (s) => '⚠ 设备时钟偏差约 ' + s + ' 秒——验证码可能无效，请校准系统时间',
fileTooBig: '文件过大（>2MB），请确认是账号链接列表', fileSkipBig: '跳过过大文件（>2MB）', readFileFail: '读取文件失败', readFail: '读取失败', downloadFail: '下载失败',
clipboardNo: '此浏览器不支持读取剪贴板，请手动粘贴', clipboardFail: '读取剪贴板失败（可能需要授权）', clipboardNoLinks: '剪贴板中未识别到账号链接',
scanNoAccount: '二维码中未识别到账号', scanNoSupport: '扫码组件加载失败（离线且未缓存？），请直接粘贴 otpauth:// 链接',
qrImported: '已从二维码导入 ✓', qrNotFound: '未识别到二维码', qrFail: '二维码解析失败', qrUnavailable: '二维码不可用', qrGenFail: '二维码生成失败',
errInvalid: '密钥无效：只能含 A–Z 和 2–7（base32）', errHotp: '暂不支持 HOTP（基于计数器）链接，本工具只算 TOTP', errNoSecret: 'otpauth 链接里没有有效的 secret', errBookmarkBad: '链接里的密钥无效或被截断，请检查后重新粘贴',
titleApp: '2FA', titleBoard: '多号看板 · 2FA', titleSuffix: ' · 2FA',
},
en: {
langToggle: '中', langSwitchAria: '切换到中文',
live: 'LIVE', open: 'Open', copied: 'Copied ✓',
dropToImport: 'Drop to import accounts',
code: 'Code',
copyCode: 'Copy code', showQr: 'Show QR ⃞', hideQr: 'Hide QR',
newCode: '+ New code', addToBoard: 'Add to board', presentMode: '🖥 Presentation', exitPresent: '✕ Exit',
newCodeTitle: 'New code', boardNav: '▦ Multi-account board',
secretLabel: 'SECRET', scanImport: '⃞ Scan QR', secretPlaceholder: 'Paste a 2FA secret, or an otpauth:// link',
labelLabel: 'LABEL', labelPlaceholder: 'e.g. GitHub',
bookmark: 'BOOKMARK LINK', copyLink: 'Copy link',
presentLinkShow: '🖥 Presentation link', presentLinkHide: '🖥 Hide presentation link',
presentDesc: 'Opens to just the enlarged code with the QR hidden — for projecting / screen-recording / reading aloud, so the secret QR never appears on screen.',
presentWarnPrefix: 'It only guards ', presentWarnBold: 'your own screen', presentWarnSuffix: '. The link still contains the secret — sending it = handing over the secret. Use a trusted channel and rotate after.',
nolabelOff: '☐ Also hide the account name', nolabelOn: '☑ Also hide the account name', copyPresentLink: 'Copy presentation link',
boardTitle: '▦ Board', boardImport: '＋ Import', boardExport: 'Export', boardClear: 'Clear', boardClearConfirm: 'Click again to confirm', boardSingle: 'Single',
importTitle: 'Import accounts', pickFile: 'Choose file .txt/.csv/.json', readClipboard: 'Read clipboard', scanGA: 'Scan QR (incl. GA export)',
pastePlaceholder: 'Or paste multiple links here, one per line (otpauth:// or this tool’s bookmark links)', parseImport: 'Parse & import',
importHint: 'You can also drop a file anywhere on the page. Local cache only — clearing is fine, just re-import to restore.',
exportTitle: 'Export accounts', copyAllLinks: 'Copy all links', downloadTxt: 'Download .txt', copyBoardLink: 'Copy board link',
exportHint: '“Copy all links” pastes back into your txt; “board link” encodes the whole set into one bookmark that restores on any device — note it contains every secret, keep it safe.',
emptyDrop: 'Drop your account-links file here', emptyHint1: 'Supports .txt / .md / .yaml (one link per line)', emptyHint2: 'or click to paste links / scan a Google Authenticator export',
boardNone: 'No accounts yet', accountFallback: (i) => 'Account ' + i,
accountsCount: (n) => n + (n === 1 ? ' account' : ' accounts'), copyCodeOf: (l) => 'Copy code for ' + l,
cardOpenTitle: 'Open single view', cardLinkTitle: 'Copy account link', cardRemoveTitle: 'Remove',
cardRemoveConfirm: 'Click again to confirm removal',
removedMsg: (l) => 'Removed “' + l + '” (re-import to restore)',
cardLinkCopied: 'Account link copied ✓ — it contains the secret, share with care',
imported: (n) => 'Imported ' + n + (n === 1 ? ' account ✓' : ' accounts ✓'), importCap: (n) => 'Reached the ' + n + '-account limit, extras ignored',
alreadyInBoard: 'These accounts are already on the board', noLinksFound: 'No account links found', noLinksInFile: 'No account links found in the file', noLinksDrop: 'No account links found in what you dropped',
boardLinkBad: 'Board link could not be parsed (truncated or corrupted?)', cleared: 'Cleared (re-import to restore)',
boardUrlLong: (kb) => 'Note: the board link is ~' + kb + 'KB — some browsers truncate long bookmarks. With many accounts, prefer “Download .txt”.',
clockSkewWarn: (s) => '⚠ Device clock is ~' + s + 's off — codes may be invalid. Please fix your system time.',
fileTooBig: 'File too large (>2MB) — is it a list of account links?', fileSkipBig: 'Skipped an oversized file (>2MB)', readFileFail: 'Failed to read the file', readFail: 'Read failed', downloadFail: 'Download failed',
clipboardNo: 'This browser can’t read the clipboard — paste manually', clipboardFail: 'Clipboard read failed (permission needed?)', clipboardNoLinks: 'No account links in the clipboard',
scanNoAccount: 'No account found in the QR', scanNoSupport: 'QR decoder failed to load (offline and not cached?) — paste the otpauth:// link directly',
qrImported: 'Imported from QR ✓', qrNotFound: 'No QR detected', qrFail: 'Failed to parse the QR', qrUnavailable: 'QR unavailable', qrGenFail: 'Failed to generate the QR',
errInvalid: 'Invalid secret: only A–Z and 2–7 (base32) allowed', errHotp: 'HOTP (counter-based) links aren’t supported — this tool only does TOTP', errNoSecret: 'No valid secret in the otpauth link', errBookmarkBad: 'The secret in the link is invalid or truncated — check and paste again',
titleApp: '2FA', titleBoard: 'Board · 2FA', titleSuffix: ' · 2FA',
},
};
// 初始语言：?lang= 覆盖 → localStorage → 浏览器语言（中文系→zh，否则 en）
function initialLang() {
try {
const u = new URLSearchParams(location.search).get('lang');
if (u === 'en' || u === 'zh') return u;
const s = localStorage.getItem('easy2fa.lang');
if (s === 'en' || s === 'zh') return s;
} catch (e) {}
return (navigator.language || '').toLowerCase().startsWith('zh') ? 'zh' : 'en';
}
class Component extends DCLogic {
rootRef = React.createRef();
ACCENTS = ['#22d3ee', '#34d399', '#a78bfa', '#fb7185', '#fbbf24', '#60a5fa', '#f472b6', '#4ade80', '#facc15', '#38bdf8'];
_boardCounters = [];
state = {
lang: initialLang(),
mode: 'setup',
secret: '', label: '', issuer: '', digits: 6, period: 30, algorithm: 'SHA-1',
code: '', secondsLeft: 30, copied: false,
inputValue: '', inputLabel: '', parsed: null, previewCode: '', error: '', urlCopied: false,
shownDigits: null, animating: false,
showQr: false, qrDataUrl: '', importMsg: '',
// —— 多号看板 ——
accounts: [], boardLive: [], copiedIdx: null,
importOpen: false, exportOpen: false, boardMsg: '', dragging: false,
pasteValue: '', linksCopied: false, boardUrlCopied: false, clearArmed: false, removeArmedIdx: null,
// —— 演示模式 ——
present: false, nolabel: false,
presentPanel: false, presentNolabel: false, presentUrlCopied: false,
// —— 时钟偏差（秒，带符号；null=正常/未知）——
clockSkew: null,
};
// —— i18n ——
t() { return STR[this.state.lang] || STR.zh; }
toggleLang() {
const lang = this.state.lang === 'zh' ? 'en' : 'zh';
try { localStorage.setItem('easy2fa.lang', lang); } catch (e) {}
try { document.documentElement.lang = lang === 'zh' ? 'zh-CN' : 'en'; } catch (e) {}
this.setState({ lang }, () => this.syncTitle());
}
syncTitle() {
const t = this.t(), s = this.state;
document.title = s.mode === 'view'
? (((s.nolabel ? '' : (s.label || s.issuer)) || t.code) + t.titleSuffix)
: (s.mode === 'board' ? t.titleBoard : t.titleApp);
}
componentDidMount() {
try { document.documentElement.lang = this.state.lang === 'zh' ? 'zh-CN' : 'en'; } catch (e) {}
this.applyAccent();
this._tick = setInterval(() => this.tick(), 250);
this._onHash = () => this.loadFromHash();
window.addEventListener('hashchange', this._onHash);
this._onDragOver = (e) => { if (e.dataTransfer) { try { e.dataTransfer.dropEffect = 'copy'; } catch (_) {} } e.preventDefault(); if (!this.state.dragging) this.setState({ dragging: true }); };
this._onDragLeave = (e) => { if (e.clientX <= 0 || e.clientY <= 0 || e.clientX >= window.innerWidth || e.clientY >= window.innerHeight) this.setState({ dragging: false }); };
this._onDrop = (e) => { e.preventDefault(); this.setState({ dragging: false }); this.handleDropData(e.dataTransfer); };
window.addEventListener('dragover', this._onDragOver);
window.addEventListener('dragleave', this._onDragLeave);
window.addEventListener('drop', this._onDrop);
// a11y: 投屏时 Esc 一键退出演示模式（原来只有一个低对比度的小链接）
this._onKey = (e) => { if (e.key === 'Escape' && this.state.mode === 'view' && this.state.present) this.exitPresent(); };
window.addEventListener('keydown', this._onKey);
this.loadFromHash();
this.registerSW();
this.checkClock();
}
componentDidUpdate(prevProps, prevState) {
this.applyAccent();
// 提示消息（导入结果/错误）几秒后自动消失，否则会一直挂着像个持续问题
const msg = this.state.boardMsg || this.state.importMsg;
const prevMsg = (prevState && (prevState.boardMsg || prevState.importMsg)) || '';
if (msg && msg !== prevMsg) {
clearTimeout(this._msgT);
this._msgT = setTimeout(() => {
if (this.state.boardMsg || this.state.importMsg) this.setState({ boardMsg: '', importMsg: '' });
}, 3800);
}
}
componentWillUnmount() {
clearInterval(this._tick);
clearInterval(this._anim);
clearTimeout(this._parseT);
clearTimeout(this._copiedT);
clearTimeout(this._clearT);
clearTimeout(this._msgT);
clearTimeout(this._removeT);
window.removeEventListener('hashchange', this._onHash);
window.removeEventListener('dragover', this._onDragOver);
window.removeEventListener('dragleave', this._onDragLeave);
window.removeEventListener('drop', this._onDrop);
window.removeEventListener('keydown', this._onKey);
}
registerSW() {
if ('serviceWorker' in navigator && location.protocol.startsWith('http')) {
navigator.serviceWorker.register('./sw.js').catch(() => {});
}
}
// 正确性：设备时钟不准是"自信错码"的最后一大来源——本地钟偏 1 分钟，所有码全错而 UI 毫无异样。
// 用同源 HEAD 响应的 Date 头对表（sw.js 不拦非 GET，天然穿透缓存拿到真实服务器时间）。
// 离线 / 失败静默跳过；只提示不校正——修根源（系统时间）比悄悄补偿更诚实。
async checkClock() {
try {
const t0 = Date.now();
const res = await fetch(location.pathname, { method: 'HEAD', cache: 'no-store' });
const t1 = Date.now();
const server = Date.parse(res.headers.get('Date') || '');
if (!Number.isFinite(server)) return;
// Date 头精度 1s（向下截断，+500ms 取中值）；本地时刻取请求往返的中点
const skew = Math.round((server + 500 - (t0 + t1) / 2) / 1000);
if (Math.abs(skew) >= 10) this.setState({ clockSkew: skew });
} catch (e) {}
}
applyAccent() {
const a = this.props.accentColor ?? '#22d3ee';
// accent 来自 props、运行时基本不变——只在变化时写 DOM，避免每秒 componentDidUpdate 都触发样式写入
if (a !== this._lastAccent && this.rootRef.current) { this.rootRef.current.style.setProperty('--accent', a); this._lastAccent = a; }
}
loadFromHash() {
const raw = (location.hash || '').replace(/^#/, '');
const params = new URLSearchParams(raw);
const secret = (params.get('secret') || '').trim();
const boardParam = params.get('board');
this._animCode = null;
if (secret && this.base32Decode(secret)) {
const label = params.get('label') || '';
const issuer = params.get('issuer') || '';
const digits = this.clampDigits(params.get('digits'));
const period = this.clampPeriod(params.get('period'));
const algorithm = this.normAlgo(params.get('algorithm'));
const present = params.get('present') === '1' || params.get('view') === 'code';
const nolabel = params.get('nolabel') === '1';
this._lastCounter = null;
this.setState({ mode: 'view', secret, label, issuer, digits, period, algorithm, present, nolabel, code: '', copied: false, shownDigits: null, animating: false, showQr: false }, () => this.refresh());
document.title = ((nolabel ? '' : (label || issuer)) || this.t().code) + this.t().titleSuffix;
} else if (boardParam) {
const accts = this.decodeBoardParam(boardParam).map((a) => this.normalizeAccount(a));
if (accts.length) {
this._boardCounters = [];
this.saveBoard(accts);
this.setState({ mode: 'board', accounts: accts, boardLive: accts.map((a) => ({ code: '', codeFmt: '', sec: a.period, frac: 1 })), importOpen: false, exportOpen: false, boardMsg: '' }, () => this.refreshBoardAll());
document.title = this.t().titleBoard;
} else {
this.enterBoardOrSetup();
this.setState({ boardMsg: this.t().boardLinkBad });
}
} else if (secret) {
// #secret= 存在但 base32 解不出（被聊天工具截断/污染）——回 setup、预填、明确报错，
// 而不是静默掉到空表单或无关的缓存看板（这是原来最让人困惑的死路）。
this._lastPrevCounter = null;
this.setState({ mode: 'setup', inputValue: secret, inputLabel: params.get('label') || '', parsed: null, previewCode: '', shownDigits: null, error: this.t().errBookmarkBad });
document.title = this.t().titleApp;
} else {
this.enterBoardOrSetup();
}
}
enterBoardOrSetup() {
const cached = this.loadBoard();
if (cached.length) {
this._boardCounters = [];
this.setState({ mode: 'board', accounts: cached, boardLive: cached.map((a) => ({ code: '', codeFmt: '', sec: a.period, frac: 1 })), importOpen: false, exportOpen: false }, () => this.refreshBoardAll());
document.title = this.t().titleBoard;
} else {
this.setState({ mode: 'setup' });
document.title = this.t().titleApp;
}
}
clampDigits(d) { d = parseInt(d); return (Number.isFinite(d) && d >= 6 && d <= 8) ? d : 6; }
clampPeriod(p) { p = parseInt(p); return (Number.isFinite(p) && p >= 10 && p <= 300) ? p : 30; }
normAlgo(a) {
if (!a) return 'SHA-1';
const n = String(a).toUpperCase().replace(/[^0-9]/g, '');
return n === '256' ? 'SHA-256' : n === '512' ? 'SHA-512' : 'SHA-1';
}
base32Decode(b32) {
const A = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ234567';
b32 = (b32 || '').replace(/=+$/, '').replace(/\s/g, '').toUpperCase();
if (!b32) return null;
let bits = 0, value = 0; const out = [];
for (const ch of b32) {
const i = A.indexOf(ch);
if (i < 0) return null;
value = (value << 5) | i; bits += 5;
if (bits >= 8) { out.push((value >>> (bits - 8)) & 0xff); bits -= 8; }
}
return out.length ? new Uint8Array(out) : null;
}
async totp(secret, time, digits, period, algorithm) {
const key = this.base32Decode(secret);
if (!key) throw new Error('invalid');
const counter = Math.floor(time / period);
const buf = new ArrayBuffer(8); const dv = new DataView(buf);
dv.setUint32(0, Math.floor(counter / 0x100000000));
dv.setUint32(4, counter >>> 0);
const ck = await crypto.subtle.importKey('raw', key, { name: 'HMAC', hash: algorithm }, false, ['sign']);
const sig = new Uint8Array(await crypto.subtle.sign('HMAC', ck, buf));
const off = sig[sig.length - 1] & 0x0f;
const bin = ((sig[off] & 0x7f) << 24) | ((sig[off + 1] & 0xff) << 16) | ((sig[off + 2] & 0xff) << 8) | (sig[off + 3] & 0xff);
return String(bin % Math.pow(10, digits)).padStart(digits, '0');
}
animateTo(code) {
if (!code) return;
clearInterval(this._anim);
const n = code.length;
const lockAt = []; for (let i = 0; i < n; i++) lockAt[i] = 140 + i * 90;
const start = performance.now();
const rand = () => String(Math.floor(Math.random() * 10));
this.setState({ animating: true, shownDigits: code.split('').map(rand) });
this._anim = setInterval(() => {
const el = performance.now() - start;
const shown = []; let done = true;
for (let i = 0; i < n; i++) {
if (el >= lockAt[i]) shown.push(code[i]);
else { shown.push(rand()); done = false; }
}
if (done) { clearInterval(this._anim); this.setState({ shownDigits: code.split(''), animating: false }); }
else this.setState({ shownDigits: shown });
}, 45);
}
async refresh() {
if (this.state.mode !== 'view' || !this.state.secret) return;
try {
const code = await this.totp(this.state.secret, Date.now() / 1000, this.state.digits, this.state.period, this.state.algorithm);
if (code !== this._animCode) { this._animCode = code; this.animateTo(code); }
this.setState({ code });
} catch (e) { this.setState({ code: '' }); }
}
async refreshPreview() {
const p = this.state.parsed;
if (!p || !p.secret) { this.setState({ previewCode: '', shownDigits: null }); return; }
try {
const code = await this.totp(p.secret, Date.now() / 1000, p.digits, p.period, p.algorithm);
if (code !== this._animCode) { this._animCode = code; this.animateTo(code); }
this.setState({ previewCode: code });
} catch (e) { this.setState({ previewCode: '' }); }
}
tick() {
const now = Date.now() / 1000;
if (this.state.mode === 'view' && this.state.secret) {
const p = this.state.period;
const counter = Math.floor(now / p);
if (counter !== this._lastCounter) { this._lastCounter = counter; this.refresh(); }
const sl = Math.max(1, Math.ceil(p - (now % p)));
if (sl !== this.state.secondsLeft) this.setState({ secondsLeft: sl });
} else if (this.state.mode === 'setup' && this.state.parsed) {
const p = this.state.parsed.period;
const counter = Math.floor(now / p);
if (counter !== this._lastPrevCounter) { this._lastPrevCounter = counter; this.refreshPreview(); }
const sl = Math.max(1, Math.ceil(p - (now % p)));
if (sl !== this.state.secondsLeft) this.setState({ secondsLeft: sl });
} else if (this.state.mode === 'board') {
this.boardTick();
}
}
parseInput(raw) {
raw = (raw || '').trim();
if (!raw) return null;
let secret = '', label = '', issuer = '', digits = 6, period = 30, algorithm = 'SHA-1';
if (/^otpauth:\/\//i.test(raw)) {
try {
const u = new URL(raw);
// 只支持 TOTP；otpauth://hotp/... 是基于计数器的，按时间算会得到一个"自信的错码"——明确拒绝
if ((u.hostname || '').toLowerCase() === 'hotp') return { secret: '', valid: false, reason: 'hotp' };
const sp = u.searchParams;
secret = (sp.get('secret') || '').trim();
issuer = sp.get('issuer') || '';
let path = decodeURIComponent(u.pathname.replace(/^\/+/, ''));
if (path.includes(':')) {
if (!issuer) issuer = path.split(':')[0].trim();
label = path.split(':').slice(1).join(':').trim();
} else { label = path; }
digits = this.clampDigits(sp.get('digits'));
period = this.clampPeriod(sp.get('period'));
algorithm = this.normAlgo(sp.get('algorithm'));
} catch (e) { return { secret: '', valid: false }; }
} else {
secret = raw.replace(/\s/g, '');
}
const valid = !!this.base32Decode(secret);
return { secret, label, issuer, digits, period, algorithm, valid };
}
onInput(v) {
// 每次按键只轻量更新输入框内容，保证打字跟手；
// 解析 + 预览 + 滚动动画防抖到停手后再做一次，避免逐字符的重渲染风暴导致掉字符/误报无效。
this.setState({ inputValue: v, importMsg: '' });
clearTimeout(this._parseT);
this._parseT = setTimeout(() => this.commitParse(v), 280);
}
commitParse(v) {
const parsed = this.parseInput(v);
const ok = parsed && parsed.valid;
this._lastPrevCounter = null;
this._animCode = null;
let error = '';
if (v.trim() && !ok) {
error = (parsed && parsed.reason === 'hotp')
? this.t().errHotp
: (/^otpauth:\/\//i.test(v.trim()) ? this.t().errNoSecret : this.t().errInvalid);
}
this.setState({
parsed: ok ? parsed : null,
previewCode: ok ? this.state.previewCode : '',
shownDigits: ok ? this.state.shownDigits : null,
error,
inputLabel: (ok && parsed.label && !this.state.inputLabel) ? parsed.label : this.state.inputLabel,
}, () => this.refreshPreview());
}
onLabel(v) { this.setState({ inputLabel: v }); }
// ---------- QR 扫码识别（双引擎） ----------
// 原生 BarcodeDetector 只有 Chromium 系有——此前 Safari / Firefox 一律「不支持扫码」。
// 现以 vendor 的 jsQR 兜底：懒加载（不扫码不花这 250KB）、同源（CSP script-src 'self' 放行）、离线可用（SW 预缓存）。
loadJsQR() {
if (typeof jsQR !== 'undefined') return Promise.resolve();
if (!this._jsqrP) {
this._jsqrP = new Promise((res, rej) => {
const s = document.createElement('script');
s.src = './vendor/jsqr.js';
s.onload = () => res();
s.onerror = () => { this._jsqrP = null; rej(new Error('jsqr-unavailable')); };
document.head.appendChild(s);
});
}
return this._jsqrP;
}
// 返回二维码文本；识别不到返回 null；解码引擎不可用才抛错
async detectQr(file) {
const bitmap = await createImageBitmap(file);
if ('BarcodeDetector' in window) {
try {
const det = new BarcodeDetector({ formats: ['qr_code'] });
const codes = await det.detect(bitmap);
if (codes && codes[0] && codes[0].rawValue) return codes[0].rawValue;
// 原生引擎没认出来也落到 jsQR 再试——部分平台的实现偏弱
} catch (e) {}
}
await this.loadJsQR();
const cv = document.createElement('canvas');
const ctx = cv.getContext('2d', { willReadFrequently: true });
// 大图先缩到 1600px 内识别（快）；失败再试原尺寸——GA 迁移码很密，缩太狠会糊掉
for (const max of [1600, 4096]) {
const sc = Math.min(1, max / Math.max(bitmap.width, bitmap.height));
const w = Math.max(1, Math.round(bitmap.width * sc)), h = Math.max(1, Math.round(bitmap.height * sc));
cv.width = w; cv.height = h;
ctx.drawImage(bitmap, 0, 0, w, h);
const d = ctx.getImageData(0, 0, w, h);
const hit = jsQR(d.data, w, h);
if (hit && hit.data) return hit.data;
if (sc === 1) break; // 已是原尺寸，无需重试
}
return null;
}
// ---------- QR 扫码导入 ----------
async scanImport() {
const inp = document.createElement('input');
inp.type = 'file'; inp.accept = 'image/*';
inp.onchange = async () => {
const file = inp.files && inp.files[0];
if (!file) return;
try {
const val = await this.detectQr(file);
if (val && /^otpauth:\/\//i.test(val)) { this.onInput(val); this.setState({ importMsg: this.t().qrImported }); }
else if (val) { this.onInput(val); }
else this.setState({ importMsg: this.t().qrNotFound });
} catch (e) { this.setState({ importMsg: (e && e.message === 'jsqr-unavailable') ? this.t().scanNoSupport : this.t().qrFail }); }
};
inp.click();
}
// ---------- QR 生成导出 ----------
buildOtpauthUrl(a) {
if (!a || !a.secret) return '';
const labelPart = encodeURIComponent((a.issuer ? a.issuer + ':' : '') + (a.label || 'account'));
const sp = new URLSearchParams();
sp.set('secret', a.secret);
if (a.issuer) sp.set('issuer', a.issuer);
sp.set('algorithm', (a.algorithm || 'SHA-1').replace('-', ''));
sp.set('digits', String(a.digits || 6));
sp.set('period', String(a.period || 30));
return 'otpauth://totp/' + labelPart + '?' + sp.toString();
}
toggleQr() {
if (this.state.showQr) { this.setState({ showQr: false }); return; }
const s = this.state;
const a = s.mode === 'view'
? { secret: s.secret, label: s.label, issuer: s.issuer, digits: s.digits, period: s.period, algorithm: s.algorithm }
: s.parsed;
const url = this.buildOtpauthUrl(a);
if (!url || typeof qrcode === 'undefined') { this.setState({ importMsg: this.t().qrUnavailable }); return; }
try {
const qr = qrcode(0, 'M'); qr.addData(url); qr.make();
this.setState({ showQr: true, qrDataUrl: qr.createDataURL(5, 2) });
} catch (e) { this.setState({ importMsg: this.t().qrGenFail }); }
}
buildUrl() {
const p = this.state.parsed; if (!p) return '';
const sp = new URLSearchParams();
sp.set('secret', p.secret);
const label = (this.state.inputLabel || p.label || '').trim();
if (label) sp.set('label', label);
if (p.issuer) sp.set('issuer', p.issuer);
if (p.digits !== 6) sp.set('digits', String(p.digits));
if (p.period !== 30) sp.set('period', String(p.period));
if (p.algorithm !== 'SHA-1') sp.set('algorithm', p.algorithm.replace('SHA-', ''));
return location.origin + location.pathname + '#' + sp.toString();
}
// —— 演示模式链接 ——
buildPresentUrl() {
const u = this.buildUrl();
if (!u) return '';
let x = u + '&present=1';
if (this.state.presentNolabel) x += '&nolabel=1';
return x;
}
// 活态进/出演示模式：同步 URL（replaceState，不触发 hashchange/重渲染闪烁）
setPresentParam(on) {
const params = new URLSearchParams((location.hash || '').replace(/^#/, ''));
if (on) { params.set('present', '1'); } else { params.delete('present'); params.delete('nolabel'); params.delete('view'); }
try { history.replaceState(null, document.title, location.pathname + location.search + '#' + params.toString()); } catch (e) {}
}
enterPresent() { this.setPresentParam(true); this.setState({ present: true, nolabel: false, showQr: false }); }
exitPresent() { this.setPresentParam(false); this.setState({ present: false, nolabel: false }); }
copyText(text, key) {
const done = () => {
this.setState({ [key]: true });
clearTimeout(this['_t_' + key]);
this['_t_' + key] = setTimeout(() => this.setState({ [key]: false }), 1500);
};
if (navigator.clipboard && navigator.clipboard.writeText) {
navigator.clipboard.writeText(text).then(done).catch(() => this.fallbackCopy(text, done));
} else { this.fallbackCopy(text, done); }
}
fallbackCopy(text, done) {
try {
const ta = document.createElement('textarea');
ta.value = text; ta.style.position = 'fixed'; ta.style.opacity = '0';
document.body.appendChild(ta); ta.focus(); ta.select();
document.execCommand('copy'); document.body.removeChild(ta); done();
} catch (e) {}
}
addAnother() {
this._animCode = null;
try { history.replaceState(null, '2FA', location.pathname + location.search); } catch (e) {}
this.setState({ mode: 'setup', secret: '', inputValue: '', inputLabel: '', parsed: null, previewCode: '', error: '', shownDigits: null, animating: false, showQr: false, importMsg: '' });
document.title = this.t().titleApp;
}
goSetup() {
this._animCode = null;
try { history.replaceState(null, '2FA', location.pathname + location.search); } catch (e) {}
this.setState({ mode: 'setup', importOpen: false, exportOpen: false });
document.title = this.t().titleApp;
}
goBoard() {
let accts = this.state.accounts;
if (!accts || !accts.length) accts = this.loadBoard();
this._boardCounters = [];
this.setState({ mode: 'board', accounts: accts, boardLive: accts.map((a) => ({ code: '', codeFmt: '', sec: a.period, frac: 1 })), importOpen: accts.length === 0, exportOpen: false, boardMsg: '' }, () => this.refreshBoardAll());
document.title = this.t().titleBoard;
try { history.replaceState(null, document.title, location.pathname + location.search); } catch (e) {}
}
// ==================== 多号看板 ====================
hashStr(s) { s = s || ''; let h = 2166136261; for (let i = 0; i < s.length; i++) { h ^= s.charCodeAt(i); h = Math.imul(h, 16777619); } return (h >>> 0); }
pickColor(a) { return this.ACCENTS[this.hashStr((a.issuer || '') + '|' + (a.label || '') + '|' + (a.secret || '')) % this.ACCENTS.length]; }
normalizeAccount(a) {
return {
// base32 大小写不敏感——统一成大写，否则同一密钥的两种大小写会去重失败、出两张同码卡
secret: (a.secret || '').replace(/\s/g, '').toUpperCase(),
label: a.label || '', issuer: a.issuer || '',
digits: this.clampDigits(a.digits), period: this.clampPeriod(a.period),
algorithm: this.normAlgo((a.algorithm || 'SHA-1').replace('SHA-', '')),
color: this.pickColor(a),
};
}
saveBoard(accts) {
try {
const data = (accts || []).map((a) => ({ s: a.secret, l: a.label, i: a.issuer, d: a.digits, p: a.period, a: a.algorithm }));
localStorage.setItem('easy2fa.board', JSON.stringify(data));
} catch (e) {}
}
loadBoard() {
try {
const raw = localStorage.getItem('easy2fa.board');
if (!raw) return [];
const data = JSON.parse(raw);
if (!Array.isArray(data)) return [];
return data.map((d) => this.normalizeAccount({ secret: d.s, label: d.l, issuer: d.i, digits: d.d, period: d.p, algorithm: d.a }))
.filter((a) => this.base32Decode(a.secret));
} catch (e) { return []; }
}
// 清空是破坏性操作——两步确认：第一次点武装、2s 内再点才真清（仍是一键级，只是防误触）
armOrClear() {
if (this._clearArmed) { clearTimeout(this._clearT); this._clearArmed = false; this.setState({ clearArmed: false }); this.clearBoard(); return; }
this._clearArmed = true;
this.setState({ clearArmed: true });
clearTimeout(this._clearT);
this._clearT = setTimeout(() => { this._clearArmed = false; this.setState({ clearArmed: false }); }, 2200);
}
clearBoard() {
try { localStorage.removeItem('easy2fa.board'); } catch (e) {}
this._boardCounters = [];
this.setState({ accounts: [], boardLive: [], importOpen: false, exportOpen: false, boardMsg: this.t().cleared, removeArmedIdx: null });
}
// —— 单卡操作：打开单号 / 复制链接 / 移除 ——
openAccount(i) {
const a = (this.state.accounts || [])[i];
if (a) location.href = this.buildAccountUrl(a); // 换 hash → hashchange → 单号视图；浏览器返回键可回看板
}
copyAccountLink(i) {
const a = (this.state.accounts || [])[i];
if (!a) return;
this.copyText(this.buildAccountUrl(a), 'cardLinkCopied');
this.setState({ boardMsg: this.t().cardLinkCopied });
}
// 移除同「清空」一样走两步确认：第一次点武装该卡 2.2s，期间再点才真删
armOrRemove(i) {
if (this.state.removeArmedIdx === i) { clearTimeout(this._removeT); this.removeAccount(i); return; }
this.setState({ removeArmedIdx: i });
clearTimeout(this._removeT);
this._removeT = setTimeout(() => this.setState({ removeArmedIdx: null }), 2200);
}
removeAccount(i) {
const accts = (this.state.accounts || []).slice();
const rm = accts.splice(i, 1)[0];
if (!rm) { this.setState({ removeArmedIdx: null }); return; }
this.saveBoard(accts);
this._boardCounters = []; // 索引整体前移，计数器缓存作废
const live = (this.state.boardLive || []).slice(); live.splice(i, 1);
const labelTxt = rm.label || rm.issuer || this.t().accountFallback(i + 1);
this.setState({ accounts: accts, boardLive: live, removeArmedIdx: null, copiedIdx: null, boardMsg: this.t().removedMsg(labelTxt) }, () => this.refreshBoardAll());
}
addAccounts(list) {
if (!list || !list.length) return;
const MAX = 200; // 上限：避免一份超大文件生成成百上千张卡 + 每秒那么多次 HMAC 拖垮页面
const existing = (this.state.accounts || []).slice();
const seen = new Set(existing.map((a) => a.secret + '|' + (a.label || '') + '|' + (a.issuer || '')));
let added = 0, truncated = false;
for (const raw of list) {
if (existing.length >= MAX) { truncated = true; break; }
const a = this.normalizeAccount(raw);
if (!this.base32Decode(a.secret)) continue;
const k = a.secret + '|' + (a.label || '') + '|' + (a.issuer || '');