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Section 1: accent-color: red

This text background is styled with red.

Section 2: accent-color: auto (system)

This text uses AccentColorText and background uses AccentColor.

Section 3: Control Animation (No AccentColor)

Animating #00ffff → #ff00ff (no AccentColor)

Section 4: Animation Taint Test (AccentColor)

Animating AccentColor → #ff00ff
Results will appear here.

Section 5: Canvas Paint + Read Test (AccentColor)

Section 6: Custom Property Substitution Taint Test

Tests whether tainting from AccentColor propagates through a *registered* custom property (--accent) into an *unregistered* property (--my-color), then into actual style properties.

This element uses:

Section 7: Complex Expression Taint Test (if(), mixing, exfiltration)

Tests whether if() logic, numeric coercion attempts, and assigning tainted values into non-color properties preserve tainting.

This block tests: