feat: enhance user input and rules panel components

- Updated dark-light mode button styles for improved responsiveness.
- Enhanced rules panel with additional buttons for moving rules up and down, and updated styles for better layout.
- Added active rule count display in the rules panel header.
- Improved user input component layout with section headings and updated button styles.
- Refactored day input component to use grid layout for better alignment and responsiveness.
- Added new translations for user input and rules panel features.
- Implemented tests for new functionality in rules panel and day input components.
- Added application routes test to ensure correct routing configuration.

src/i18n/en.json

@@ -5,13 +5,17 @@
 		"description": "Optimize your vacation days based on holidays and weekends!"
 	},
 	"userInput": {
-		"addVacationDay": "Add a vacation day",
-		"calculate": "Calculate",
+		"title": "Configure your leave",
+		"description": "Add each leave balance and its validity period.",
+		"addVacationDay": "Add leave balance",
+		"calculate": "Calculate plan",
 		"remainingDaysWarning": "{count} vacation day{plural} not placed:",
 		"remainingDaysManualPlace": "Please place them manually.",
 		"deleteEntry": "Delete entry",
-		"chooseDate": "Choose a date",
+		"chooseDate": "Expires on",
 		"availableDate": "Available from",
+		"days": "Days",
+		"type": "Leave type",
 		"daySuffix": "day",
 		"daysSuffix": "days",
 		"expires": "exp.",
@@ -43,8 +47,11 @@
 		"selectLanguage": "Language"
 	},
 	"rules": {
-		"title": "Custom Rules",
+		"title": "Planning rules",
 		"subtitle": "Manage optimization rules",
+		"active": "active",
+		"moveRuleUp": "Move rule up",
+		"moveRuleDown": "Move rule down",
 		"priorityInfo": "The order of rules defines their execution priority (from top to bottom). Drag and drop to reorder.",
 		"ifThenTemplate": "If a holiday falls on a <strong>{day}</strong>, place <strong>{placeDays}</strong> day(s) <strong>{placeType}</strong> <strong>{placement}</strong> and get <strong>{rewardDays}</strong> day(s) <strong>{rewardType}</strong> as a bonus.",
 		"timeWindowTemplate": "Place <strong>{placeDays}</strong> day(s) <strong>{placeType}</strong> between <strong>{startDate}</strong> and <strong>{endDate}</strong>.",
@@ -88,6 +95,11 @@
 		}
 	},
 	"planning": {
+		"title": "Your optimized year",
+		"daysPlaced": "Leave days placed",
+		"daysGained": "Non-working days gained",
+		"longestWorkSequence": "Longest work sequence",
+		"legend": "Calendar legend",
 		"invalidInput": "The planning input is invalid.",
 		"conflict": "The obligations cannot be satisfied together.",
 		"incomplete": "Calculation stopped before all quality stages completed.",