Hardcoded light-mode hex colors in table styles broke dark mode — header backgrounds and text were unreadable. Now uses theme CSS custom properties (--color-border-default, --color-bg-secondary, --color-text-primary) with light-mode fallbacks. Bump 0.7.2 → 0.7.3. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>