root = Card([accountHeader, totalDealValue, dealStageBadge, recentActivity, contactsList, openFollowUps, noteArea, renewalInfo, renewalWarning, callLogButton], "card", "column", "m")
accountHeader = CardHeader("Acme Corp", "John Doe")
totalDealValue = TextContent("Total Deal Value: $250,000", "large")
dealStageBadge = Tag("Negotiation", null, "md", "info")
activityItem1 = ListItem("Called client", "Discussed contract details", null, null)
activityItem2 = ListItem("Sent proposal", "Awaiting response", null, null)
activityItem3 = ListItem("Follow-up meeting", "Scheduled for next week", null, null)
recentActivity = ListBlock([activityItem1, activityItem2, activityItem3], "number")
contactItem1 = ListItem("Acme Inc.", "Client", null, null)
contactItem2 = ListItem("Beta Solutions", "Partner", null, null)
contactItem3 = ListItem("Gamma Tech", "Vendor", null, null)
contactsList = ListBlock([contactItem1, contactItem2, contactItem3], "number")
followUp1 = FollowUpItem("Prepare proposal for Acme - due 2025-12-01")
followUp2 = FollowUpItem("Review contract terms - due 2025-12-10")
openFollowUps = FollowUpBlock([followUp1, followUp2])
noteInput = TextArea("note", "Write a note...", 3)
noteArea = FormControl("Note", noteInput)
callLogButton = Button("Log Call", null, "primary", "normal", "medium")
renewalInfo = CardHeader("Renewal Date", "July 15, 2025")
renewalWarning = Alert("Renewal approaching", "Renewal date is within 7 days", "warning")