teernisse c15dc8b487 feat(tui): polish components with icons, gradients, and proper backgrounds ...

Comprehensive visual refresh of all TUI components:

card.go:
- Add semantic icons based on metric type (tokens=◈, sessions=◉,
  cost=◆, cache=◇)
- Color-code metric values using new theme colors (Cyan, Magenta,
  Green, Blue) for visual variety
- Add CardRow() helper that properly height-equalizes cards and
  fills background on shorter cards to prevent "punched out" gaps
- Set explicit background on all style components

chart.go:
- Add background styling to sparkline renderer
- Ensure bar chart respects theme.Active.Surface background

progress.go:
- Add color gradient based on progress (Cyan→Accent→AccentBright)
- Style percentage text with bold and matching color
- Fix background fill on empty bar segments

statusbar.go:
- Complete redesign with SurfaceHover background
- Style keyboard hints: dim brackets, bright keys, muted labels
- Proper spacing and background continuity across sections
- Styled refresh indicator with AccentBright

tabbar.go:
- Add TabVisualWidth() for accurate mouse hit detection
- Modern underline-style active indicator using ━ characters
- AccentBright for active tab, proper dim styling for inactive
- Consistent Surface background across all tab elements

These changes create a cohesive visual language where every element
respects the dark background, icons add visual interest without
clutter, and color coding provides semantic meaning.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

2026-02-28 00:05:39 -05:00

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