Verification Code Email Template HTML: Preserve the Code and the Next Step

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<html lang="en-US"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Verification Code Email Template HTML: Preserve the Code and the Next Step</title><style>:root{--bg:#f0f3f8;--paper:#fff;--ink:#243546;--accent:#315d89;--tint:#e1ebf6;--line:#c0cbd7;--muted:#526577;--button:#fff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.55 system-ui,sans-serif}main{max-width:1000px;margin:auto;padding:22px clamp(18px,4vw,42px) 38px}header{border-bottom:2px solid var(--accent);padding-bottom:14px;margin-bottom:18px}h1{font-size:clamp(26px,4vw,36px);line-height:1.15;margin:4px 0 10px}h2{font-size:22px;line-height:1.3;margin:0 0 14px}h3{font-size:19px}p{margin:0 0 14px}.eyebrow{font-size:16px;font-weight:750;color:var(--accent)}.lede{max-width:800px}.panel{background:var(--paper);border:1px solid var(--line);border-radius:9px;padding:20px;margin:18px 0}.workbench{border-top:4px solid var(--accent)}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.grid>*{min-width:0}label{display:block;font-size:16px;font-weight:650;margin:12px 0 6px}input,textarea,select{font:inherit;color:var(--ink);background:var(--paper);border:1px solid #7b8893;border-radius:5px;padding:10px;width:100%;min-width:0}textarea{resize:vertical;line-height:1.45}input[type=checkbox],input[type=radio]{width:21px;height:21px;vertical-align:middle;margin-right:9px}button{font:650 16px/1.4 system-ui,sans-serif;padding:11px 15px;min-height:46px;background:var(--accent);border:2px solid var(--accent);color:var(--button);border-radius:5px;cursor:pointer}button:disabled{opacity:.55;cursor:default}.buttons{display:flex;gap:9px;flex-wrap:wrap;margin:14px 0}.buttons>*{flex:1 1 auto}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #c05b00;outline-offset:3px}.result{font:600 17px/1.6 ui-monospace,monospace;white-space:pre-wrap;overflow-wrap:anywhere;background:var(--tint);padding:16px;border-left:4px solid var(--accent);min-height:65px;margin:16px 0}.sample{padding:14px 16px;border-left:3px solid var(--accent);background:var(--tint);margin:12px 0}.muted{color:var(--muted)}pre,code{font:16px/1.6 ui-monospace,monospace;white-space:pre-wrap;overflow-wrap:anywhere}pre{margin:12px 0}table{border-collapse:collapse;width:100%;table-layout:fixed;font-size:16px}th,td{text-align:left;vertical-align:top;padding:10px 8px;border-bottom:1px solid var(--line);overflow-wrap:anywhere}th{background:var(--tint)}svg{max-width:100%;height:auto;display:block}details{margin:20px 0}summary{font-weight:700;cursor:pointer}footer{margin-top:28px;border-top:1px solid var(--line);padding-top:18px;font-size:16px}a{color:var(--accent)}.reading{font-family:Georgia,serif}.codeview{border-radius:0;box-shadow:7px 7px 0 var(--tint)}.token{display:inline-block;padding:8px 12px;margin:4px;border:1px solid var(--line);border-radius:4px;background:var(--paper)}.swatch{min-height:30px}.split{display:grid;grid-template-columns:1.1fr 1fr;gap:22px}ol{padding-left:25px}li{margin:9px 0}@media(max-width:600px){main{padding:16px}.grid,.split{grid-template-columns:1fr}.panel{padding:16px;margin:14px 0}h1{font-size:27px}header{padding-bottom:10px}.buttons{gap:8px}.result{padding:13px}th,td{padding:8px 5px}}header .lede{overflow-wrap:anywhere}</style></head><body><main><header><div class="eyebrow">Original practice fixture · local workbench</div><h1>Keep the first zero and the next step</h1><p id="email-intro" class="lede">Fictional request R1 uses code 083417 as text. Return to the NotesWorkshop sign-in screen you opened and enter every character. Expiration is [TO CONFIRM]. This demonstration is not connected to code issuance or verification.</p></header><section class="panel"><h2>Your NotesWorkshop sign-in code</h2><article aria-label="Fictional email design"><strong>DEMONSTRATION ONLY</strong><p>Your demonstration code is:</p><p style="font-size:32px;letter-spacing:.12em;font-weight:750">083417</p><p>Return to the sign-in screen you opened for NotesWorkshop and enter all characters, including the first 0.</p><p>Expiration policy: [TO CONFIRM — obtain the actual backend policy before release].</p><p>If you did not request a code, do not use or share it. Return to the application through your usual route if you need help.</p><p>Review state: issued challenge awaiting verification. This does not show a signed-in session.</p></article></section><pre id="result" class="result" role="status" aria-live="polite" aria-atomic="true">Companion design check below. It is not part of the email and does not verify a code.</pre><label for="candidate">Companion candidate code</label><input id="candidate" value="083417" ><label for="wording">Companion candidate state wording</label><input id="wording" value="Issued challenge awaiting verification" ><div class="buttons"><button type="button" id="check">Check content parity</button></div><section class="panel"><h2>Matching plain-text twin</h2><pre>Subject: Your NotesWorkshop sign-in code — DEMONSTRATION ONLY
DEMONSTRATION ONLY
Code: 083417
Return to the sign-in screen you opened for NotesWorkshop and enter all characters, including the first 0.
Expiration: [TO CONFIRM — actual backend policy required].
If you did not request a code, do not use or share it. Return through your usual application route for help.
Issued challenge awaiting verification. No signed-in session shown.</pre></section><footer><p>The code is fictional design data. No provider, real user, email delivery, code verification, or session is connected.</p><p>Use a prepared HTML explanation in <a href="https://nos-workspace.com/">NOS</a> when reviewing the fictional HTML and plain-text email wording. Eligible static instructions can be revised in visual editing mode; dynamic outputs follow their controls.</p></footer></main><script>
(()=>{'use strict';const $=s=>document.querySelector(s);const out=s=>{$('#result').textContent=s;};const val=id=>$('#'+id).value;const num=id=>{const s=val(id).trim();return s===''?NaN:Number(s);};const on=(id,fn)=>$('#'+id).addEventListener('click',fn);const watch=ids=>{for(const id of ids)for(const event of ['input','change'])$('#'+id).addEventListener(event,()=>out('Inputs changed. Run the action to update this result.'));};const fmt=(n,d=4)=>Math.abs(n)<1e-10?(0).toFixed(d):n.toFixed(d);
(function(){watch(['candidate','wording']);on('check',()=>{const code=val('candidate'),wording=val('wording').trim().toLowerCase();if(code!=='083417'){out('Content mismatch: preserve exact six-character text 083417, including first 0.');return;}if(wording!=='issued challenge awaiting verification'){out('State wording mismatch: use issued challenge awaiting verification; no verified session is established.');return;}out('Design parity matches: code 083417 and issued-challenge wording. Backend policy and email-client review still required.');});})();
})();
</script></body></html>