Rework the events dashboard from the sparse light-minimal look (which read as
empty / unprofessional) into a professional, information-dense operations
console — keeping the LIGHT direction (the dark HMI was previously rejected).
- App shell: top bar with an "AI SAFETY CCTV" brand mark + product identity, and a
device/camera rail (a second neutral layer) beside the detection stream.
- Density: device health + filters move into the rail; the four hero KPI cards
become a compact inline pill strip; the stream is snapshot-forward.
- Every event row is a camera slot (evidence thumbnail, or a "무영상" placeholder)
so the stream reads as a CCTV grid and rows stay aligned regardless of snapshots.
- Restrained near-monochrome; indigo for interaction only; severity colour spent on
the unacknowledged-critical alarm only; contrast-checked ink; reduced-motion honoured.
- Pure CSS, system fonts, zero external assets (air-gap). DOM contract (ids/classes)
unchanged, so polling/ack/alarm/filter logic is untouched. Verified in-browser.
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