/* General Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: #000;
  color: white;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Section Title */
.budget-calculator .section-title {
  text-align: center;
  margin-bottom: 30px;
  font-size: 2.2rem;
  color: white;
  text-shadow: 0 0 5px rgba(0, 0, 0, 0.7);
}

/* Main Calculator Container */
.calculator-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 20px;
  border-radius: 16px;
  background-color: #1a1a1a;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
  max-width: 1000px;
  margin: 20px auto;
}

/* Horizontal Card Container */
.horizontal-card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

/* Card Styling */
.card-item {
  flex: 1;
  min-width: 300px;
  background-color: #2d2d2d;
  color: white;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #3a3a3a;
}

.card-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
}

/* Card Header */
.card-item h3 {
  font-size: 1.4rem;
  margin-bottom: 20px;
  color: #e0e0e0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.card-item h3 i {
  cursor: pointer;
  font-size: 1.2rem;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.card-item h3 i:hover {
  opacity: 1;
}

/* Form Groups */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.95rem;
  color: #ccc;
  font-weight: 500;
}

/* Input Fields */
.form-group input[type="number"] {
  width: 100%;
  padding: 12px;
  border: 1px solid #444;
  border-radius: 8px;
  background-color: #333;
  color: white;
  font-size: 1rem;
  outline: none;
  transition: border 0.3s ease;
}

.form-group input[type="number"]:focus {
  border-color: #5f9ea0;
  box-shadow: 0 0 0 2px rgba(95, 158, 160, 0.2);
}

.form-group input[type="number"]::placeholder {
  color: #888;
}

/* Auto Update Label */
.auto-update-label {
  font-size: 0.9rem;
  margin: 15px 0;
  display: flex;
  align-items: center;
  color: #ccc;
}

.auto-update-label input[type="checkbox"] {
  margin-right: 8px;
  transform: scale(1.2);
}

/* Toolbar */
.calculator-toolbar {
  display: flex;
  gap: 10px;
  margin-top: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.calculator-toolbar button {
  padding: 12px 20px;
  border: none;
  border-radius: 25px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
  color: white;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 140px;
  justify-content: center;
}

.calculator-toolbar button:nth-child(1) {
  background-color: #5f9ea0; /* Teal */
}

.calculator-toolbar button:nth-child(2) {
  background-color: #3498db; /* Blue */
}

.calculator-toolbar button:nth-child(3) {
  background-color: #e74c3c; /* Red */
}

.calculator-toolbar button:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

/* Output Table */
.output-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  background-color: #2d2d2d;
  border: 1px solid #3a3a3a;
  border-radius: 8px;
  overflow: hidden;
}

.output-table table {
  width: 100%;
  border-collapse: collapse;
}

.output-table th,
.output-table td {
  border: 1px solid #3a3a3a;
  padding: 15px;
  text-align: left;
  font-size: 1rem;
}

.output-table th {
  background-color: #3a3a3a;
  color: #ccc;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

.output-table td {
  background-color: #2d2d2d;
  color: white;
  font-family: 'Courier New', Courier, monospace;
  font-size: 1.1rem;
  font-weight: 500;
}

.output-table tr:nth-child(even) {
  background-color: #333;
}

.output-table tr:nth-child(even) td {
  background-color: #333;
}

.output-table #remainingBudget {
  color: #27ae60; /* Green for positive budget */
  font-weight: 600;
}

.output-table #remainingBudget.negative {
  color: #e74c3c; /* Red for negative budget */
}

.output-table #savingsProgress {
  color: #f39c12; /* Orange for savings progress */
  font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
  .horizontal-card-container {
    flex-direction: column;
  }
  
  .card-item {
    min-width: 100%;
  }
  
  .calculator-toolbar {
    flex-direction: column;
    align-items: center;
  }
  
  .calculator-toolbar button {
    width: 100%;
    max-width: 250px;
  }
  
  .budget-calculator .section-title {
    font-size: 1.8rem;
  }
}

/* Focus States for Better Accessibility */
input:focus,
select:focus {
  outline: 2px solid #5f9ea0;
  outline-offset: 2px;
}

/* Scrollbar Styling */
.card-item ::-webkit-scrollbar {
  width: 8px;
}

.card-item ::-webkit-scrollbar-track {
  background: #2d2d2d;
}

.card-item ::-webkit-scrollbar-thumb {
  background: #555;
  border-radius: 4px;
}

.card-item ::-webkit-scrollbar-thumb:hover {
  background: #777;
}

/* Number Input Styling (Remove Arrows) */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
}

/* Placeholder Styling */
::-webkit-input-placeholder {
  color: #888;
}

::-moz-placeholder {
  color: #888;
}

:-ms-input-placeholder {
  color: #888;
}

::-ms-input-placeholder {
  color: #888;
}

::placeholder {
  color: #888;
}