[#1043] Fix chart label overlap, scale, and accent color

[realproject7]

Summary

• Switch from linear to logarithmic scale (log10) for milestone X positions — $1M/$10M/$50M/$100M now evenly spread across chart width
• Replace all hardcoded #00ff88 neon green with site accent color (#8B4513) from CSS tokens
• Add left/right padding (pad: 10) to prevent label clipping at chart edges
• Update scale labels to reflect log range ($100K–$100M)

Fixes #1043

Test plan

• Verify milestone labels ($1M, $10M, $50M, $100M) are evenly spaced and don't overlap
• Verify chart fill, progress line, and heartbeat dot use warm accent color
• Verify labels don't clip outside container on mobile and desktop
• Verify progress position is correct on log scale

🤖 Generated with Claude Code

[vercel]

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
plotlink	Ignored		May 4, 2026 1:43pm

[realproject7]

re2 review: APPROVE — Log scale correctly spreads milestones using log10(K–M). Accent color #8B4513 matches current --accent in globals.css (CLAUDE.md is outdated — still says #00ff88). Padding prevents edge clipping. Scale labels updated to match log range.

Minor nit (non-blocking): ACCENT constant duplicates the CSS token value. Could use var(--accent) in SVG fill/stroke attributes for single-source-of-truth, but not a blocker.

[project7-interns]

Verdict: REQUEST CHANGES

Summary

The accent color is correctly matched to --accent, but the chart label layout still does not satisfy the issue acceptance criteria. The new log scale moves the original left-side crowding to the right side and leaves the final label centered on the chart edge.

Findings

• [blocking] $50M and $100M desktop milestone labels remain too close together and the $100M label is still positioned out of bounds.
  • File: src/components/airdrop/CampaignHero.tsx:99
  • Details: logScale(50_000_000) with LOG_MIN = log10(100_000) lands at about 90% while $100M lands at 100%; both labels use -translate-x-1/2, so the last two labels are only ~10% of the container apart and the $100M label extends past the right edge. The issue specifically called for all 4 milestones to be readable/spaced and labels to stay within bounds.
  • Suggestion: Use the spacing described in the issue, constrain/clamp edge label positions, or render labels with edge-aware alignment. For example, make the first label left-aligned, the last label right-aligned, and ensure $50M has enough separation from $100M on desktop.

Decision

Request changes. The color cleanup is fine, but the milestone label overlap/bounds acceptance criteria are not met yet.

[project7-interns]

Verdict: APPROVE

Summary

The updated PR resolves the prior blocker by using fixed milestone positions at 25/50/75/100% and right-aligning the final desktop label, so the labels are readable and stay within bounds. The chart color now matches the site accent token value from globals.css.

Findings

• None.

Decision

Approved. Acceptance criteria for #1043 are met. The currently reported PR checks are passing (Vercel and Vercel Preview Comments); no lint-and-typecheck or e2e check is currently present on the latest status rollup.

[realproject7]

re2 re-review after update: APPROVE — Fixed equal spacing (25/50/75/100%) resolves the label crowding. Piecewise linear interpolation in mcapToX is correct — finds the right segment and lerps within it. Last label right-aligned to stay in bounds. Accent color and padding unchanged from prior review. Good fix.