Cadenza

Style: dark UI, near-black canvas, color-tinted KPI cards in green, amber, violet, and blue.

Layout: grouped sidebar nav beside a KPI card row over two analysis charts.

Components: sparkline stat cards (talk minutes, calls handled, usage cost), date-range and grouping dropdowns, stacked bar chart of call-end reasons, per-assistant duration chart.

Vibe: technical, monitoring-focused — AI ops platform.