/* Financial Calculators Styles */

/* Layout Variables - Harmonized with main site dark theme */
:root {
  --calc-primary: #22d3ee;
  --calc-primary-dark: #0891b2;
  --calc-secondary: #60a5fa;
  --calc-accent: #34d399;
  --calc-danger: #f87171;
  --calc-background: #0f172a;
  --calc-surface: #111827;
  --calc-surface-light: #1f2937;
  --calc-border: rgba(255, 255, 255, 0.1);
  --calc-border-light: rgba(255, 255, 255, 0.2);
  --calc-text-primary: #e5e7eb;
  --calc-text-secondary: #94a3b8;
  --calc-text-muted: #6b7280;
  --calc-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
  --calc-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  --calc-spacing-xs: 0.25rem;
  --calc-spacing-sm: 0.5rem;
  --calc-spacing-md: 1rem;
  --calc-spacing-lg: 1.5rem;
  --calc-spacing-xl: 2rem;
  --calc-border-radius: 8px;
  --calc-sidebar-width: 280px;
}

/* Base Layout - Fixed layout issues */
.calculators-container {
  min-height: 100vh;
  background: var(--calc-background);
  padding-top: 60px; /* Account for navigation */
}

.calculators-header {
  text-align: center;
  padding: var(--calc-spacing-xl) var(--calc-spacing-md);
  background: var(--calc-surface);
  border-bottom: 1px solid var(--calc-border);
}

.calculators-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--calc-text-primary);
  margin-bottom: var(--calc-spacing-sm);
  font-family: 'Inter', sans-serif;
}

.calculators-subtitle {
  font-size: 1.125rem;
  color: var(--calc-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Main Layout - Fixed scrolling and layout issues */
.calculators-layout {
  display: flex;
  min-height: calc(100vh - 200px);
  position: relative;
}

/* Sidebar - Fixed positioning */
.calculators-sidebar {
  width: var(--calc-sidebar-width);
  background: var(--calc-surface);
  border-right: 1px solid var(--calc-border);
  flex-shrink: 0;
  position: sticky;
  top: 60px;
  height: calc(100vh - 60px);
  overflow-y: auto;
  z-index: 10;
}

.sidebar-header {
  padding: var(--calc-spacing-lg) var(--calc-spacing-md);
  border-bottom: 1px solid var(--calc-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sidebar-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--calc-text-primary);
}

.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
  padding: var(--calc-spacing-sm);
}

.sidebar-toggle span {
  width: 20px;
  height: 2px;
  background: var(--calc-text-secondary);
  transition: all 0.3s ease;
}

.sidebar-nav {
  padding: var(--calc-spacing-md) 0;
}

.sidebar-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--calc-spacing-md);
  padding: var(--calc-spacing-md) var(--calc-spacing-lg);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.875rem;
  color: var(--calc-text-secondary);
}

.sidebar-item:hover {
  background: var(--calc-surface-light);
  color: var(--calc-primary);
}

.sidebar-item.active {
  background: var(--calc-primary);
  color: var(--calc-background);
  border-right: 3px solid var(--calc-primary-dark);
}

.sidebar-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.sidebar-text {
  font-weight: 500;
}

/* Main Content - Fixed overflow and scrolling */
.calculators-main {
  flex: 1;
  padding: var(--calc-spacing-xl);
  background: var(--calc-background);
  overflow-y: auto;
  height: calc(100vh - 60px);
}

.calculator-content {
  background: var(--calc-surface);
  border-radius: var(--calc-border-radius);
  box-shadow: var(--calc-shadow);
  padding: var(--calc-spacing-xl);
  max-width: 1000px;
  margin: 0 auto;
  border: 1px solid var(--calc-border);
}

/* Calculator Header */
.calc-header {
  margin-bottom: var(--calc-spacing-xl);
  text-align: center;
}

.calc-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--calc-text-primary);
  margin-bottom: var(--calc-spacing-sm);
}

.calc-description {
  font-size: 1rem;
  color: var(--calc-text-secondary);
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto;
}

/* Form Styles */
.calc-form {
  margin-bottom: var(--calc-spacing-xl);
}

.calc-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--calc-spacing-lg);
  margin-bottom: var(--calc-spacing-lg);
}

.calc-field {
  display: flex;
  flex-direction: column;
}

.calc-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--calc-text-primary);
  margin-bottom: var(--calc-spacing-sm);
}

.calc-input, .calc-select {
  padding: 0.75rem 1rem;
  border: 2px solid var(--calc-border);
  border-radius: var(--calc-border-radius);
  font-size: 1rem;
  transition: border-color 0.2s ease;
  background: var(--calc-surface-light);
  color: var(--calc-text-primary);
}

.calc-input:focus, .calc-select:focus {
  outline: none;
  border-color: var(--calc-primary);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.2);
}

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

.calc-input[type="number"]::-webkit-outer-spin-button,
.calc-input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Button Styles - Harmonized with theme */
.calc-button {
  background: var(--calc-primary);
  color: var(--calc-background);
  border: none;
  padding: 0.75rem 2rem;
  border-radius: var(--calc-border-radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--calc-shadow);
}

.calc-button:hover {
  background: var(--calc-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--calc-shadow-lg);
}

.calc-button:active {
  transform: translateY(0);
}

.calc-button--secondary {
  background: var(--calc-secondary);
  color: var(--calc-background);
}

.calc-button--secondary:hover {
  background: #3b82f6;
}

.calc-actions {
  display: flex;
  gap: var(--calc-spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Results Section - Enhanced contrast for dark theme */
.calc-results {
  margin-top: var(--calc-spacing-xl);
  padding: var(--calc-spacing-lg);
  background: var(--calc-surface-light);
  border-radius: var(--calc-border-radius);
  border: 1px solid var(--calc-border-light);
}

.calc-results-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--calc-text-primary);
  margin-bottom: var(--calc-spacing-md);
  text-align: center;
}

.calc-result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--calc-spacing-md) 0;
  border-bottom: 1px solid var(--calc-border);
}

.calc-result-item:last-child {
  border-bottom: none;
}

.calc-result-label {
  font-weight: 500;
  color: var(--calc-text-secondary);
}

.calc-result-value {
  font-weight: 700;
  color: var(--calc-text-primary);
  font-size: 1.125rem;
}

.calc-result-value--positive {
  color: var(--calc-accent);
}

.calc-result-value--negative {
  color: var(--calc-danger);
}

/* Chart Container */
.calc-chart-container {
  margin-top: var(--calc-spacing-lg);
  height: 300px;
  position: relative;
}

.calc-chart {
  width: 100%;
  height: 100%;
}

/* Table Styles */
.calc-table-container {
  margin-top: var(--calc-spacing-lg);
  overflow-x: auto;
  border-radius: var(--calc-border-radius);
  border: 1px solid var(--calc-border);
}

.calc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.calc-table th,
.calc-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--calc-border);
}

.calc-table th {
  background: var(--calc-background);
  font-weight: 600;
  color: var(--calc-text-primary);
}

.calc-table td {
  color: var(--calc-text-secondary);
}

.calc-table tr:hover {
  background: var(--calc-background);
}

/* Share Button */
.calc-share {
  margin-top: var(--calc-spacing-lg);
  text-align: center;
}

.calc-share-button {
  background: var(--calc-accent);
  color: white;
  border: none;
  padding: 0.5rem 1.5rem;
  border-radius: var(--calc-border-radius);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.calc-share-button:hover {
  background: #047857;
}

/* Loading State */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--calc-spacing-xl);
  color: var(--calc-text-secondary);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--calc-border);
  border-top: 3px solid var(--calc-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--calc-spacing-md);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Disclaimer */
.calculators-disclaimer {
  padding: var(--calc-spacing-lg);
  text-align: center;
  background: var(--calc-surface);
  border-top: 1px solid var(--calc-border);
  font-size: 0.875rem;
  color: var(--calc-text-secondary);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .calculators-layout {
    flex-direction: column;
  }

  .calculators-sidebar {
    width: 100%;
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--calc-border);
  }

  .sidebar-toggle {
    display: flex;
  }

  .sidebar-nav {
    display: none;
    padding: 0;
  }

  .sidebar-nav.open {
    display: block;
  }

  .sidebar-item {
    padding: var(--calc-spacing-md);
    border-bottom: 1px solid var(--calc-border);
  }

  .calculators-main {
    padding: var(--calc-spacing-md);
  }

  .calculator-content {
    padding: var(--calc-spacing-md);
  }

  .calc-title {
    font-size: 1.5rem;
  }

  .calculators-title {
    font-size: 2rem;
  }

  .calc-form-grid {
    grid-template-columns: 1fr;
    gap: var(--calc-spacing-md);
  }

  .calc-actions {
    flex-direction: column;
  }

  .calc-button {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .calculators-header {
    padding: var(--calc-spacing-md);
  }

  .calculators-title {
    font-size: 1.75rem;
  }

  .calculators-subtitle {
    font-size: 1rem;
  }

  .calc-title {
    font-size: 1.25rem;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Print Styles */
@media print {
  .calculators-sidebar,
  .calculators-header,
  .calculators-disclaimer,
  .calc-actions {
    display: none;
  }

  .calculators-main {
    padding: 0;
  }

  .calculator-content {
    box-shadow: none;
    border: 1px solid #000;
  }
}

/* Enhanced Visual Elements */
.calc-result-value--positive {
  color: var(--calc-accent) !important;
  font-weight: 600;
}

.calc-result-value--negative {
  color: var(--calc-danger) !important;
  font-weight: 600;
}

/* Loading spinner enhancement */
.loading-spinner {
  border-color: var(--calc-border) var(--calc-border) var(--calc-primary) var(--calc-primary);
}

/* Scrollbar styling for dark theme */
.calculators-main::-webkit-scrollbar,
.calculators-sidebar::-webkit-scrollbar {
  width: 8px;
}

.calculators-main::-webkit-scrollbar-track,
.calculators-sidebar::-webkit-scrollbar-track {
  background: var(--calc-surface);
}

.calculators-main::-webkit-scrollbar-thumb,
.calculators-sidebar::-webkit-scrollbar-thumb {
  background: var(--calc-border-light);
  border-radius: 4px;
}

.calculators-main::-webkit-scrollbar-thumb:hover,
.calculators-sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--calc-text-muted);
}

/* Multi-Currency Savings Growth Tracker Styles */
.savings-overview {
  margin-bottom: var(--calc-spacing-xl);
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--calc-spacing-md);
}

.overview-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--calc-spacing-md);
  background: var(--calc-surface-light);
  border-radius: var(--calc-border-radius);
  border: 1px solid var(--calc-border);
}

.overview-item.highlight {
  background: linear-gradient(135deg, var(--calc-surface-light), var(--calc-surface));
  border-color: var(--calc-primary);
  box-shadow: 0 0 0 1px var(--calc-primary);
}

.overview-label {
  font-weight: 500;
  color: var(--calc-text-secondary);
  flex: 1;
}

.overview-value {
  font-weight: 600;
  color: var(--calc-text-primary);
  text-align: right;
  margin-left: var(--calc-spacing-md);
}

.calc-field-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--calc-text-muted);
  margin-top: var(--calc-spacing-xs);
  font-style: italic;
}

/* Savings Table Styles */
.savings-table-container {
  margin-top: var(--calc-spacing-xl);
}

.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--calc-spacing-md);
}

.table-header h4 {
  color: var(--calc-text-primary);
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
}

.table-wrapper {
  overflow-x: auto;
  border-radius: var(--calc-border-radius);
  border: 1px solid var(--calc-border);
  background: var(--calc-surface-light);
}

.savings-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.savings-table th {
  background: var(--calc-surface);
  color: var(--calc-text-primary);
  font-weight: 600;
  text-align: left;
  padding: var(--calc-spacing-md);
  border-bottom: 2px solid var(--calc-border);
  white-space: nowrap;
}

.savings-table td {
  padding: var(--calc-spacing-sm) var(--calc-spacing-md);
  border-bottom: 1px solid var(--calc-border);
  color: var(--calc-text-secondary);
  white-space: nowrap;
}

.savings-table tr:last-child td {
  border-bottom: none;
}

.savings-table tr:hover {
  background: var(--calc-surface);
}

.savings-table .positive {
  color: var(--calc-accent);
  font-weight: 600;
}

.savings-table .negative {
  color: var(--calc-danger);
  font-weight: 600;
}

/* Chart container responsiveness */
.chart-container {
  position: relative;
  height: 400px;
  margin: var(--calc-spacing-xl) 0;
  background: var(--calc-surface-light);
  border-radius: var(--calc-border-radius);
  padding: var(--calc-spacing-lg);
  border: 1px solid var(--calc-border);
}

/* Mobile optimizations for savings tracker */
@media (max-width: 768px) {
  .overview-grid {
    grid-template-columns: 1fr;
  }
  
  .overview-item {
    flex-direction: column;
    text-align: center;
    gap: var(--calc-spacing-xs);
  }
  
  .overview-label,
  .overview-value {
    text-align: center;
    margin: 0;
  }
  
  .table-header {
    flex-direction: column;
    gap: var(--calc-spacing-md);
    align-items: stretch;
  }
  
  .chart-container {
    height: 300px;
    padding: var(--calc-spacing-md);
  }
}