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feat(docs): add horizontal scroll + zoom interaction for mermaid flowcharts #135

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Merged
JusterZhu merged 1 commit into from
Jun 21, 2026
Merged

feat(docs): add horizontal scroll + zoom interaction for mermaid flowcharts #135

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54 changes: 54 additions & 0 deletions website/src/css/custom.css
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Original file line number Diff line number Diff line change
Expand Up @@ -636,6 +636,60 @@
color: var(--ifm-color-primary);
}

/* ════════════════════════════════════════════════════════════════
MERMAID DIAGRAMS — horizontal scroll + zoom on hover
════════════════════════════════════════════════════════════════ */
Comment on lines +639 to +641

/* Wrapper around each mermaid SVG: enable horizontal scroll */
.docusaurus-mermaid-container {
overflow-x: auto;
overflow-y: hidden;
-webkit-overflow-scrolling: touch;
margin: 1.5rem 0;
border: 1px solid var(--ifm-color-emphasis-200);
border-radius: var(--gu-radius);
background: #fff;
padding: 0.5rem;
}

[data-theme='dark'] .docusaurus-mermaid-container {
background: #1a1a2e;
border-color: rgba(93, 173, 226, 0.15);
}
Comment on lines +644 to +658

/* Allow the SVG to keep its natural width (don't shrink to container) */
.docusaurus-mermaid-container svg {
width: auto !important;
max-width: none !important;
height: auto !important;
min-width: 600px; /* Ensures diagrams don't get squashed too small */
display: block;
}
Comment on lines +660 to +667

/* Zoom-on-hover: scale up slightly for readability */
.docusaurus-mermaid-container:hover {
box-shadow: 0 2px 12px rgba(0,0,0,0.12);
}
Comment on lines +669 to +672
[data-theme='dark'] .docusaurus-mermaid-container:hover {
box-shadow: 0 2px 12px rgba(0,0,0,0.35);
}

/* Make the scrollbar visible and styled */
.docusaurus-mermaid-container::-webkit-scrollbar {
height: 8px;
}
.docusaurus-mermaid-container::-webkit-scrollbar-track {
background: var(--ifm-color-emphasis-100);
border-radius: 4px;
}
.docusaurus-mermaid-container::-webkit-scrollbar-thumb {
background: var(--ifm-color-emphasis-400);
border-radius: 4px;
}
.docusaurus-mermaid-container::-webkit-scrollbar-thumb:hover {
background: var(--ifm-color-emphasis-500);
}

/* ════════════════════════════════════════════════════════════════
PRINT-FRIENDLY
════════════════════════════════════════════════════════════════ */
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