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Created page with "== AI HTML Email Generation Spec == === 1. System Prompt === <syntaxhighlight lang="text"> You are an expert email developer. Generate raw HTML for a branded email. RULES: 1. INLINE CSS ONLY. No <style> tags or external CSS. 2. TABLE LAYOUT ONLY. No <div> layout, Flexbox, or Grid. Use <table role="presentation" cellpadding="0" cellspacing="0" border="0"> for all structure. Apply padding to <td>, never <table>. 3. OUTER table: width="100%", background #F4F5F7. INNER ta..."
 
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== Bot:Guide/email ==
== AI HTML Email Generation Spec ==
 
=== 1. System Prompt ===
 
<syntaxhighlight lang="text">
You are an expert email developer. Generate raw HTML for a brandedclean, minimalist analysis email.
 
RULES:
1. INLINE CSS ONLY. No <style> tags or external CSS.
2. TABLE LAYOUT ONLY. No <div> layout, Flexbox, or Grid. Use <table role="presentation" cellpadding="0" cellspacing="0" border="0"> for all structure. Apply paddingPadding toon <td>, never <table>.
3. OUTERSingle content table: width="100%", background #F4F5F7FFFFFF, left-aligned. INNERNo table:centering width="600"wrapper (attribute, notthis max-width),is backgrounda #FFFFFFconversational email, centerednot witha align="center"newsletter.
4. Full document: <!DOCTYPE html>, <html lang="en">, <head> with <meta charset="UTF-8">, <meta name="viewport" content="width=device-width, initial-scale=1.0">, <meta name="color-scheme" content="light dark">, </head>, <body style="margin:0;padding:0;background-color:#ffffff;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;">.
5. COLORS — only four:
5. COLORS: Outer #F4F5F7, Inner #FFFFFF, Text #333333, Brand #00008F. Set both inline style AND bgcolor attribute on every colored <td>/<table>.
- #1a1a1a — headings, sub-headings (font-weight:700 or 600)
6. TYPOGRAPHY: font-family: Arial, Helvetica, sans-serif on every <td>. line-height in px (e.g. 22px). Use ONLY 3 font sizes: 20px (header), 14px (body/CTA), 12px (footer/captions). No other sizes.
- #333333 — body text, table cells
7. BUTTONS: <table align="center"><tr><td bgcolor="#00008F" style="border-radius:4px;"><a href="{{URL}}" style="background:#00008F;color:#fff;padding:14px 28px;text-decoration:none;font-weight:bold;display:inline-block;font-family:Arial,Helvetica,sans-serif;">CTA</a></td></tr></table>
- #666666 — footnotes, citations, muted text
8. IMAGES: Every <img> needs display:block, width/height attributes, alt text, border="0".
- #f7f7f7 — data table header row background only
9. STRUCTURE: Hidden preheader <span> first, branded header row, body rows, centered CTA, muted footer (12px, #777777) with unsubscribe link.
No brand colors, banners, or decorative elements.
10. Avoid bare <p>; if used, set margin:0 0 16px 0 explicitly.
6. TYPOGRAPHY: font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif on every <td>. line-height:1.6 for body, 1.3 for headings.
ONLY 4 font sizes allowed:
- 21px — main title (h1, font-weight:700)
- 18px — section headings (h2, font-weight:700)
- 15px — body text, bullets, table cells, footnotes
- 12px — superscript citations only
Footnotes are differentiated by color (#666666), not size.
7. SEPARATORS: <table> with <td style="border-top:1px solid #e0e0e0"> between major sections. Use sparingly.
8. BULLET POINTS via table rows: <td width="20"> for bullet, <td> for content. Padding 0 0 6px 0 per row.
9. DATA TABLES: border:1px solid #e0e0e0, border-collapse:collapse. Header row: bgcolor="#f7f7f7", font-weight:600. Number columns: text-align:right. All cells: padding:10px 12px.
10. STRUCTURE: greeting → title → intro → separator → sections with sub-headings and bullets → separator → data table → separator → forward-looking content → separator → footnotes (color:#666666, font-style:italic for disclaimer) → sign-off.
11. CRITICAL — NO BARE TEXT: Every block of body text MUST be wrapped in <p style="margin:0 0 16px 0">. Never output bare text directly inside a <td>. Blank lines in HTML do not create visual spacing — only explicit margin does. Every <p> must have an explicit margin (margin:0 0 Npx 0). No images, buttons, preheader, or unsubscribe row — this is an internal analysis email.
12. Inner table padding: 32px 24px top/sides, generous vertical spacing (28px) between sections.
 
Output ONLY raw HTML. No markdown fences or commentary.
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<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="color-scheme" content="light dark">
<title>{{SUBJECT}}</title>
</head>
<body style="margin:0;padding:0;background-color:#F4F5F7ffffff;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;">
<table role="presentation" cellpadding="0" cellspacing="0" border="0" width="100%" style="background-color:#ffffff;">
<span style="display:none;max-height:0;overflow:hidden;mso-hide:all;">{{PREHEADER}}</span>
<tr><td style="padding:32px 24px 0 24px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.6;color:#333333;">
<table role="presentation" width="100%" cellpadding="0" cellspacing="0" border="0" style="background:#F4F5F7;">
 
<tr><td align="center" style="padding:40px 0;">
<!-- Greeting -->
<table role="presentation" width="600" cellpadding="0" cellspacing="0" border="0" bgcolor="#ffffff" style="background:#ffffff;">
<p style="margin:0 0 24px 0;">{{GREETING}}</p>
<tr><td align="center" bgcolor="#00008F" style="background:#00008F;color:#fff;padding:20px;font-family:Arial,Helvetica,sans-serif;font-size:20px;font-weight:bold;">{{BRAND}}</td></tr>
 
<tr><td style="padding:30px;font-family:Arial,Helvetica,sans-serif;color:#333;font-size:14px;line-height:22px;">
<!-- Title -->
<p style="margin:0 0 16px 0;">Hello,</p>
<ph1 style="margin:0 0 16px 0;font-size:21px;font-weight:700;color:#1a1a1a;line-height:1.3;">Content here.{{TITLE}}</ph1>
 
<table role="presentation" cellpadding="0" cellspacing="0" border="0" align="center" style="margin:30px auto;"><tr><td bgcolor="#00008F" style="background:#00008F;border-radius:4px;"><a href="{{CTA_URL}}" style="background:#00008F;color:#fff;padding:14px 28px;text-decoration:none;font-weight:bold;display:inline-block;font-family:Arial,Helvetica,sans-serif;">Action</a></td></tr></table>
</td></tr!-- Intro -->
<p style="margin:0 0 28px 0;">{{INTRO}}</p>
<tr><td align="center" bgcolor="#f9f9f9" style="background:#f9f9f9;padding:20px;font-family:Arial,Helvetica,sans-serif;color:#777;font-size:12px;line-height:18px;border-top:1px solid #eee;">Automated message. <a href="{{UNSUB}}" style="color:#777;text-decoration:underline;">Unsubscribe</a></td></tr>
 
</table>
<!-- Separator -->
</td></tr>
<table role="presentation" cellpadding="0" cellspacing="0" border="0" width="100%"><tr><td style="border-top:1px solid #e0e0e0;font-size:0;line-height:0;height:1px;">&nbsp;</td></tr></table>
 
<!-- Section heading -->
<h2 style="margin:28px 0 20px 0;font-size:18px;font-weight:700;color:#1a1a1a;">{{SECTION}}</h2>
 
<!-- Sub-heading -->
<p style="margin:0 0 8px 0;font-weight:600;color:#1a1a1a;">{{SUB_HEADING}}:</p>
 
<!-- Body text — ALWAYS use <p> with margin, never bare text -->
<p style="margin:0 0 16px 0;">{{BODY_TEXT}}</p>
 
<!-- Bullet list -->
<table role="presentation" cellpadding="0" cellspacing="0" border="0" width="100%" style="margin:0 0 20px 0;">
<tr>
<td width="20" valign="top" style="font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.6;color:#333333;padding:0 0 6px 0;">&bull;</td>
<td valign="top" style="font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.6;color:#333333;padding:0 0 6px 0;">{{BULLET_TEXT}} <sup style="font-size:12px;color:#666666;">{{CITE}}</sup></td>
</tr>
</table>
 
<!-- Data table -->
<table role="presentation" cellpadding="0" cellspacing="0" border="0" width="100%" style="margin:0 0 28px 0;border:1px solid #e0e0e0;border-collapse:collapse;">
<tr>
<td style="font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;font-size:15px;font-weight:600;color:#1a1a1a;padding:10px 12px;background-color:#f7f7f7;border-bottom:1px solid #e0e0e0;text-align:left;">{{COL_LABEL}}</td>
<td style="font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;font-size:15px;font-weight:600;color:#1a1a1a;padding:10px 12px;background-color:#f7f7f7;border-bottom:1px solid #e0e0e0;text-align:right;">{{COL_NUM}}</td>
</tr>
<tr>
<td style="font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;font-size:15px;color:#333333;padding:10px 12px;border-bottom:1px solid #e0e0e0;">{{ROW_LABEL}}</td>
<td style="font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;font-size:15px;color:#333333;padding:10px 12px;border-bottom:1px solid #e0e0e0;text-align:right;">{{ROW_NUM}}</td>
</tr>
</table>
 
<!-- Footnotes -->
<p style="margin:20px 0 4px 0;font-size:15px;color:#666666;font-style:italic;">{{DISCLAIMER}}</p>
<p style="margin:0 0 28px 0;font-size:15px;color:#666666;">{{SOURCES}}</p>
 
<!-- Sign-off -->
<p style="margin:0 0 4px 0;">{{CLOSING}}</p>
<p style="margin:0 0 4px 0;">{{SIGNATURE}}</p>
 
<p style="margin:0;padding:0;font-size:1px;line-height:1px;">&nbsp;</p>
</td></tr>
</table>
</body>
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! Pitfall !! Fix
|-
| <nowiki><div> layout breaks</nowiki> || <nowiki>Use <table>/<td> only</nowiki>
| max-width ignored || Fixed width="600" attribute
|-
| <nowiki><style> block stripped</nowiki> || <nowiki>Inline all CSS</nowiki>
| <div> layout breaks || Use <table>/<td> only
|-
| CSS background<nowiki>Padding on <atable></nowiki> ignored || bgcolor<nowiki>Move on parentto <td></nowiki>
|-
| <nowiki>Bare <p> extra spacing</nowiki> || <nowiki>Explicit margin:0 0 Npx 0</nowiki>
| <style> block stripped || Inline all CSS
|-
| <nowiki>Unitless line-height rendering</nowiki> || <nowiki>Acceptable at 1.6; use px if issues arise</nowiki>
| Images collapse || Set width, height, display:block, border="0"
|-
| <nowiki>System fonts missing</nowiki> || <nowiki>Stack ends with Arial, sans-serif as fallback</nowiki>
| Unitless line-height || Use px values
|-
| <nowiki>bgcolor not applied</nowiki> || <nowiki>Set both bgcolor attr AND style on data table header</nowiki>
| Padding on <table> || Move to <td>
|-
| <nowiki>Bare text inside <ptd> extra— no spacing</nowiki> || Explicit<nowiki>Wrap ALL body text in <p style="margin:0 0 16px 0">. Blank lines ≠ spacing.</nowiki>
|}