slide-editing

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How to edit individual slides -- content formatting, HTML styling rules, updating slide content in the database.

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Slide Editing

Slides are HTML content stored inside the deck JSON. Each slide's content field is a self-contained HTML string that renders at 1920x1080 resolution.

Slide HTML Structure

Every slide uses this wrapper:

<div class="fmd-slide" style="padding: 80px 110px; display: flex; flex-direction: column; justify-content: flex-start;">
  <!-- Slide content here -->
</div>

Styling Rules

All generated slides follow these conventions:

Element	Style
Background	`bg-[#000000]` (pure black)
Font	`font-family: 'Poppins', sans-serif` on all text
Section labels	`font-size: 16px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: #00E5FF`
Headings	`font-size: 40px; font-weight: 900; color: #fff; line-height: 1.15; letter-spacing: -1px`
Title slides	`font-size: 54px; font-weight: 900` with `justify-content: center`
Bullet points	`●` character (8px, white), gap: 20px, font-size: 22px, color: rgba(255,255,255,0.85)
Sub-bullets	`○` (open circle), padding-left: 36px
Bold terms	`<strong style="font-weight: 800; color: #fff;">Term</strong>` + description in rgba(255,255,255,0.55)
Accent color	`#00E5FF` (cyan) for section labels, emphasis, highlights

Updating a Slide

To edit a slide's content:

Inspect the current context: call view-screen to get the active deck, slide ID, HTML, and any slides-selection style/edit target.
Modify the content HTML string for the intended slide.
Update the slide with the update-slide action using deckId, slideId, and fullContent. Do not write deck rows directly and do not add raw /api/decks/:id PUT calls for normal slide edits.
For browser/editor code, enqueue granular deck operations through patch-deck / DeckContext.tsx instead of replacing the whole deck JSON.

Image Placeholders

For visual elements (diagrams, charts, photos), use placeholder divs:

<div class="fmd-img-placeholder" style="width: 100%; height: 300px; border-radius: 12px;">
  Description of the image
</div>

Never try to recreate complex visuals with raw HTML/CSS. Use placeholders and generate proper images via the image generation flow.

Slide Layouts

Common layout patterns:

Title slide: Single centered heading, justify-content: center
Section divider: Large single word, centered
Content: Section label + heading + bullet list
Two-column: Flex row with gap: 40px, text left, image right
Table: CSS grid with alternating row backgrounds