Fix contrast issues with text-muted and bg-dark classes

- Fixed Bootstrap bg-dark class to use better contrasting color
- Added comprehensive text-muted contrast fixes for various contexts
- Improved dark theme colors for better accessibility
- Fixed CSS inheritance issues for code elements in dark contexts
- All color choices meet WCAG AA contrast requirements

scripts/test-colors.sh

@@ -0,0 +1,90 @@
+#!/bin/bash
+# Test script for UnitForge color utility
+# This script tests all color functions and displays examples
+
+set -e
+
+# Load the color utility
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source "${SCRIPT_DIR}/colors.sh"
+
+echo
+box_header "UnitForge Color Utility Test"
+echo
+
+header "Basic Color Functions"
+red "This is red text"
+green "This is green text"
+yellow "This is yellow text"
+blue "This is blue text"
+purple "This is purple text"
+cyan "This is cyan text"
+white "This is white text"
+gray "This is gray text"
+
+echo
+subheader "Bright Colors"
+bright_red "This is bright red text"
+bright_green "This is bright green text"
+bright_yellow "This is bright yellow text"
+bright_blue "This is bright blue text"
+bright_purple "This is bright purple text"
+bright_cyan "This is bright cyan text"
+bright_white "This is bright white text"
+
+echo
+subheader "Status Messages"
+info "This is an info message"
+success "This is a success message"
+warning "This is a warning message"
+error "This is an error message"
+debug "This is a debug message (only shown if DEBUG=1)"
+
+echo
+DEBUG=1 debug "This debug message should be visible"
+
+echo
+subheader "Status Indicators"
+status ok "Operation completed successfully"
+status fail "Operation failed"
+status warn "Operation completed with warnings"
+status info "Information about the operation"
+status skip "Operation was skipped"
+status unknown "Unknown status"
+
+echo
+subheader "Progress Steps"
+step 1 5 "Initializing project"
+step 2 5 "Installing dependencies"
+step 3 5 "Running tests"
+step 4 5 "Building documentation"
+step 5 5 "Deployment complete"
+
+echo
+subheader "Box Messages"
+box_message "Success: Operation completed!" "$GREEN" 50
+box_message "Warning: Check configuration" "$YELLOW" 50
+box_message "Error: Something went wrong" "$RED" 50
+
+echo
+subheader "Headers and Formatting"
+echo "Testing ${BOLD}bold${NC}, ${UNDERLINE}underline${NC}, and ${DIM}dim${NC} text"
+echo "Testing ${ITALIC}italic${NC} text (if supported by terminal)"
+
+echo
+subheader "Color Support Detection"
+if supports_color; then
+    success "Terminal supports colors"
+else
+    warning "Terminal does not support colors (colors disabled)"
+fi
+
+echo
+subheader "Environment Info"
+echo "TERM: ${TERM:-not set}"
+echo "NO_COLOR: ${NO_COLOR:-not set}"
+echo "Terminal type: $(tty 2>/dev/null || echo 'not a terminal')"
+
+echo
+success "Color utility test completed!"
+echo