Konrad's Checkpoint-1 feedback: the popover 'kind of disappears against
the report page'. Previous 1px border + 0.28 opacity shadow read as
weak against the amber-tinted report cards.
Now: 2px accent-orange border + three-layer shadow (soft accent halo,
deep drop, near edge) so the popover reads as clearly detached. Light
theme gets its own shadow palette because white-on-white needs less
absolute darkness but more tinting to be visible.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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