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- Data sorted descending adds ranking storytelling — top channels immediately visible
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- No legend for single series — correct design decision
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- 'Dot halos via borderColor: t.pageBg create clean visual separation between dot
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and stem in both themes'
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- Clean flat script with hard-coded deterministic data — perfect KISS structure
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weaknesses:
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- Both x-axis and y-axis grid lines are shown — style guide recommends y-axis-only
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grid for bar/lollipop charts; x-axis column grid lines add visual noise to a categorical
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chart
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- DE-01 aesthetic sophistication is well-configured but not exceptional — no visual
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emphasis on the top performer (Paid Search), no data labels or annotations to
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add a focal point
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- DE-03 storytelling is above default (sorted ranking) but lacks visual hierarchy
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— highlighting or slightly enlarging the tallest lollipop or the first entry would
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strengthen the ranking narrative
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image_description: |-
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Light render (plot-light.png):
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Background: Warm off-white #FAF8F1 — correct anyplot light surface, clearly not pure white.
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Chrome: Title "lollipop-basic · javascript · chartjs · anyplot.ai" in bold dark text, clearly readable at the top. X-axis label "Marketing Channel" and y-axis label "Monthly Visitors (thousands)" are dark and legible. Tick labels on both axes are in a slightly muted dark tone (t.inkSoft), fully readable. Subtle grid lines on both x and y axes in a light warm color.
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Data: 10 lollipop elements in brand green #009E73. Thin vertical stems (barThickness: 3) extend from y=0 to each value; large circular dots (pointRadius: 14) sit at the top with a subtle off-white halo ring (borderColor: t.pageBg). Channels sorted descending from Paid Search (312K) to Podcast (43K). No legend (single series, correctly omitted).
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Legibility verdict: PASS — all text is clearly readable against the light background.
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Dark render (plot-dark.png):
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Background: Warm near-black #1A1A17 — correct anyplot dark surface, not pure black.
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Chrome: Title in bold light text, clearly visible. Axis labels and tick labels are in light muted tones (t.inkSoft dark values), all readable. Grid lines are subtle light lines on the dark background.
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Data: Same brand green #009E73 stems and dots as the light render — data colors are identical across themes. Dot halos now use dark pageBg (#1A1A17) creating a dark ring that separates the dot from the stem cleanly. Visual appearance is fully consistent with the light render in terms of data presentation.
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Legibility verdict: PASS — no dark-on-dark text failures; all title, axis, and tick elements are clearly readable against the dark background.
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criteria_checklist:
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visual_quality:
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score: 30
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max: 30
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items:
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- id: VQ-01
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name: Text Legibility
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score: 8
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max: 8
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passed: true
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comment: 'All font sizes explicitly set: title 22px bold, axis titles 16px,
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ticks 14px. Balanced proportions, readable in both themes.'
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- id: VQ-02
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name: No Overlap
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score: 6
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max: 6
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passed: true
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comment: No text overlaps with other text or data elements. Channel labels
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well-spaced.
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- id: VQ-03
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name: Element Visibility
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score: 6
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max: 6
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passed: true
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comment: 'Dots (pointRadius: 14) and stems (barThickness: 3) clearly visible.
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Density is low (10 points), markers are appropriately prominent.'
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- id: VQ-04
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name: Color Accessibility
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score: 2
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max: 2
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passed: true
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comment: 'Single series in CVD-safe brand green #009E73. No multi-series contrast
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issues.'
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- id: VQ-05
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name: Layout & Canvas
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score: 4
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max: 4
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passed: true
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comment: Canvas gate passed. Good layout proportions, balanced margins via
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layout.padding. Title spans ~65% of canvas width. No overflow or clipping.
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