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! Pitfall !! Fix
! Pitfall !! Fix
|-
|-
| max-width ignored || Set width="680" as attribute
| <nowiki>max-width ignored</nowiki> || <nowiki>Set width="680" as attribute</nowiki>
|-
|-
| <div> layout breaks || Use <table>/<td> only
| <nowiki><div> layout breaks</nowiki> || <nowiki>Use <table>/<td> only</nowiki>
|-
|-
| <style> block stripped || Inline all CSS
| <nowiki><style> block stripped</nowiki> || <nowiki>Inline all CSS</nowiki>
|-
|-
| Padding on <table> || Move to <td>
| <nowiki>Padding on <table></nowiki> || <nowiki>Move to <td></nowiki>
|-
|-
| Bare <p> extra spacing || Explicit margin:0 0 Npx 0
| <nowiki>Bare <p> extra spacing</nowiki> || <nowiki>Explicit margin:0 0 Npx 0</nowiki>
|-
|-
| Unitless line-height rendering || Acceptable at 1.6; use px if issues arise
| <nowiki>Unitless line-height rendering</nowiki> || <nowiki>Acceptable at 1.6; use px if issues arise</nowiki>
|-
|-
| System fonts missing || Stack ends with Arial, sans-serif as fallback
| <nowiki>System fonts missing</nowiki> || <nowiki>Stack ends with Arial, sans-serif as fallback</nowiki>
|-
|-
| bgcolor not applied || Set both bgcolor attr AND style on data table header
| <nowiki>bgcolor not applied</nowiki> || <nowiki>Set both bgcolor attr AND style on data table header</nowiki>
|}
|}

Revision as of 10:35, 2 April 2026

Bot:Guide/email

1. System Prompt

You are an expert email developer. Generate raw HTML for a clean, minimalist analysis email.

RULES:
1. INLINE CSS ONLY. No <style> tags or external CSS.
2. TABLE LAYOUT ONLY. No <div>, Flexbox, or Grid. Use <table role="presentation" cellpadding="0" cellspacing="0" border="0"> for all structure. Padding on <td>, never <table>.
3. OUTER table: width="100%", background #FFFFFF. INNER table: width="680" (attribute), centered with align="center".
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">, </head>, <body style="margin:0;padding:0;background-color:#ffffff;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;">.
5. COLORS — only four:
   - #1a1a1a — headings, sub-headings (font-weight:700 or 600)
   - #333333 — body text, table cells
   - #666666 — footnotes, citations, muted text
   - #f7f7f7 — data table header row background only
   No brand colors, banners, or decorative elements.
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. No <p> without 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.

2. Skeleton

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>{{SUBJECT}}</title>
</head>
<body style="margin:0;padding:0;background-color:#ffffff;-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;">
<tr><td align="center" style="padding:0;">
  <table role="presentation" cellpadding="0" cellspacing="0" border="0" width="680" style="max-width:680px;width:100%;margin:0 auto;">
  <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;">

    <!-- Greeting -->
    <p style="margin:0 0 24px 0;">{{GREETING}}</p>

    <!-- Title -->
    <h1 style="margin:0 0 16px 0;font-size:21px;font-weight:700;color:#1a1a1a;line-height:1.3;">{{TITLE}}</h1>

    <!-- Intro -->
    <p style="margin:0 0 28px 0;">{{INTRO}}</p>

    <!-- Separator -->
    <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>

    <!-- 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>
</td></tr>
</table>
</body>
</html>

3. Outlook Pitfalls

Pitfall Fix
max-width ignored Set width="680" as attribute
<div> layout breaks Use <table>/<td> only
<style> block stripped Inline all CSS
Padding on <table> Move to <td>
Bare <p> extra spacing Explicit margin:0 0 Npx 0
Unitless line-height rendering Acceptable at 1.6; use px if issues arise
System fonts missing Stack ends with Arial, sans-serif as fallback
bgcolor not applied Set both bgcolor attr AND style on data table header
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