root = Card([header, mainSection], "card", "column", "l")
header = CardHeader("Platform Status", "Service health for the API platform")
mainSection = Card([statusRow, uptimeCard, incidentCallout], "card", "column", "l")
statusRow = Card([statusTag, updatedText], "clear", "row", "m", "between")
statusTag = Tag("All systems operational", null, null, "success")
updatedText = TextContent("Updated just now", "small")
uptimeCard = Card([uptimeHeading, uptimeValue, uptimeBar], "sunk")
uptimeHeading = Heading("API uptime this month", "h3")
uptimeValue = TextContent("99.95%", "large-heavy")
uptimeBar = Progress(99.95, "Current month")
incidentCallout = Callout("info", "Most recent incident", "Brief API errors from database connection timeouts on Feb 12. Resolved at 14:32 UTC after 24 minutes.")