/* CSS Variables for Theme Management */
:root {
  --primary-color: #1A535C;
  --secondary-color: #4ECDC4;
  --accent-color: #FFE66D;
  --danger-color: #FF6B6B;
  --light-color: #F7FFF7;
  --dark-color: #2C3E50;
  --text-color: #333333;
  --bg-color: #FFFFFF;
  --card-bg: #FFFFFF;
  --border-color: #E9ECEF;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 8px 15px rgba(0, 0, 0, 0.2);
  --border-radius: 8px;
  --transition: all 0.3s ease;
  --logo-filter: none;
  --logo-filter-hover: drop-shadow(0 0 8px rgba(26, 83, 92, 0.3));
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --text-color: #F7FFF7;
  --bg-color: #1A1A1A;
  --card-bg: #2C2C2C;
  --border-color: #404040;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 8px 15px rgba(0, 0, 0, 0.4);
}

/* Global Styles */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: var(--transition);
  padding-top: 76px;
  line-height: 1.6;
}

/* Bootstrap Overrides */
.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.btn-primary:hover {
  background-color: #15424a;
  border-color: #15424a;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  color: var(--primary-color);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.btn-secondary:hover {
  background-color: #3db8b0;
  border-color: #3db8b0;
  color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.bg-primary {
  background-color: var(--primary-color) !important;
}

.text-primary {
  color: var(--primary-color) !important;
  font-weight: 600;
}

.bg-light {
  background-color: var(--light-color) !important;
}

[data-theme="dark"] .bg-light {
  background-color: #2A2A2A !important;
}

/* Navigation Styles */
.navbar {
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  border-bottom: 3px solid var(--secondary-color);
}

.navbar-brand {
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
}

.navbar-logo {
  height: 52px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: var(--transition);
}

.navbar-logo:hover {
  transform: scale(1.05);
  filter: brightness(0) invert(1) drop-shadow(0 0 8px rgba(255, 255, 255, 0.3));
}

.navbar-nav .nav-link {
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition);
}

.navbar-nav .nav-link:hover {
  color: var(--secondary-color) !important;
  transform: translateY(-1px);
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, #15424a 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.hero-logo {
  text-align: center;
}

.hero-logo-img {
  height: 100px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: var(--transition);
  animation: logoFloat 3s ease-in-out infinite;
}

.hero-logo-img:hover {
  transform: scale(1.1);
  filter: brightness(0) invert(1) drop-shadow(0 0 20px rgba(255, 255, 255, 0.4));
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
  opacity: 0.3;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.hero-stats {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  padding: 2rem;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.stat-card {
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-color);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  text-align: center;
  transition: var(--transition);
  border: 3px solid transparent;
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--secondary-color);
}

.stat-card h3 {
  font-weight: 900;
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.stat-card p {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Section Headers */
.section-header {
  position: relative;
}

.section-logo {
  height: 60px;
  width: auto;
  filter: var(--logo-filter);
  transition: var(--transition);
}

  .section-logo:hover {
    transform: scale(1.05);
    filter: var(--logo-filter-hover);
  }
  
  /* FAQ Page Specific Logos */
  .section-logo-small {
    height: 24px;
    width: auto;
    filter: var(--logo-filter);
    transition: var(--transition);
    vertical-align: middle;
  }
  
  .section-logo-small:hover {
    transform: scale(1.1);
    filter: var(--logo-filter-hover);
  }
  
  .cta-logo {
    text-align: center;
  }
  
  .cta-logo-img {
    height: 50px;
    width: auto;
    filter: var(--logo-filter);
    transition: var(--transition);
  }
  
  .cta-logo-img:hover {
    transform: scale(1.05);
    filter: var(--logo-filter-hover);
  }

/* Calculator Card */
.calculator-card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 3px solid var(--border-color);
  transition: var(--transition);
}

.calculator-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--secondary-color);
}

/* Form Styles */
.form-label {
  color: var(--text-color);
  font-size: 1rem;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control {
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-weight: 500;
  background-color: var(--card-bg);
  color: var(--text-color);
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 0.2rem rgba(78, 205, 196, 0.25);
  background-color: var(--card-bg);
  color: var(--text-color);
}

.input-group-text {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  color: var(--primary-color);
  font-weight: 600;
  border-width: 2px;
}

.form-text {
  color: var(--text-color);
  opacity: 0.7;
  font-size: 0.875rem;
  font-weight: 500;
}

/* Tips Card */
.tips-card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 3px solid var(--accent-color);
  height: 100%;
}

.tip-item {
  padding: 1rem;
  border-left: 4px solid var(--secondary-color);
  margin-bottom: 1.5rem;
  background: rgba(78, 205, 196, 0.1);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.tip-item h6 {
  color: var(--primary-color);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.tip-item p {
  margin-bottom: 0;
  font-weight: 500;
}

/* Results Section Layout */
.results-section {
  margin-bottom: 3rem;
  transition: all 0.3s ease;
}

.results-hero {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
}

.results-hero .result-hero-card {
  max-width: 800px;
  width: 100%;
}

.results-alternatives {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
  transition: all 0.3s ease;
}

/* Results Cards */
.result-hero-card {
  background: linear-gradient(135deg, var(--primary-color) 0%, #15424a 100%);
  border-radius: 20px;
  padding: 3rem 2rem;
  box-shadow: 0 20px 40px rgba(26, 83, 92, 0.3);
  border: 4px solid var(--secondary-color);
  color: white;
  position: relative;
  overflow: hidden;
}

.result-hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(78, 205, 196, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.result-hero-card > * {
  position: relative;
  z-index: 2;
}

.result-hero-header {
  margin-bottom: 2rem;
}

.result-hero-header i {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.result-hero-header h3 {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.result-hero-value {
  font-size: 4rem;
  font-weight: 900;
  margin: 2rem 0;
  line-height: 1;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.result-hero-value .currency {
  font-size: 0.6em;
  opacity: 0.8;
}

.result-hero-value .value {
  color: var(--accent-color);
  text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.4);
}

.result-hero-value .period {
  font-size: 0.4em;
  opacity: 0.8;
}

.result-hero-details {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 2px solid rgba(255, 255, 255, 0.2);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary-color);
}

.metric-label {
  font-size: 0.9rem;
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Alternative Result Cards */
.result-alternative-card {
  background: var(--card-bg);
  border-radius: 15px;
  box-shadow: var(--shadow);
  border: 2px solid var(--border-color);
  transition: var(--transition);
  overflow: hidden;
}

.result-alternative-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--secondary-color);
}

.result-alternative-card .card-header {
  background: rgba(78, 205, 196, 0.05);
  padding: 1.5rem;
  border-bottom: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.result-icon-small {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: white;
  flex-shrink: 0;
}

.card-title {
  flex: 1;
}

.card-title h5 {
  margin: 0;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-color);
}

.card-title p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-color);
  opacity: 0.7;
}

.result-alternative-card .card-body {
  padding: 1.5rem;
  text-align: center;
}

.alternative-value {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 1rem;
}

.value-comparison {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.comparison-text {
  font-weight: 700;
  font-size: 1.1rem;
}

.value-comparison small {
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}


/* Summary Section Layout */
.summary-section {
  margin-bottom: 3rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  transition: all 0.3s ease;
}

/* Charts Section Layout */
.charts-section {
  margin-bottom: 3rem;
}

.charts-header {
  margin-bottom: 2rem;
}

.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  transition: all 0.3s ease;
  width: 100%;
  overflow: hidden;
}

/* Summary Cards */
.summary-card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  border: 2px solid var(--border-color);
  transition: var(--transition);
  height: 100%;
}

.summary-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--secondary-color);
}

.summary-header {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
}

.summary-header i {
  font-size: 1.5rem;
  margin-right: 0.75rem;
}

.summary-header h5 {
  margin: 0;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-color);
}

.summary-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.summary-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  background: rgba(78, 205, 196, 0.05);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--secondary-color);
}

.summary-item.highlight {
  background: rgba(78, 205, 196, 0.1);
  border-left-color: var(--primary-color);
  font-weight: 600;
}

.summary-label {
  color: var(--text-color);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.9rem;
}

.summary-value {
  color: var(--primary-color);
  font-weight: 700;
  font-size: 1.1rem;
}

.summary-item.highlight .summary-value {
  color: var(--success-color, #2ECC71);
  font-size: 1.2rem;
}

/* Chart Cards */
.chart-card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 3px solid var(--border-color);
  width: 100%;
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.chart-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--secondary-color);
}

.chart-header {
  margin-bottom: 1.5rem;
}

.chart-header h5 {
  color: var(--text-color);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.chart-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  height: 300px;
  position: relative;
  overflow: hidden;
  width: 100%;
  box-sizing: border-box;
}

.chart-container canvas {
  max-width: 100% !important;
  max-height: 100% !important;
  width: auto !important;
  height: auto !important;
  border-radius: var(--border-radius);
  object-fit: contain;
  overflow: hidden;
}

/* Ensure charts are responsive */
@media (max-width: 768px) {
  .chart-container {
    min-height: 250px;
    height: 250px;
  }
  
  .chart-card {
    margin-bottom: 1.5rem;
    padding: 1.5rem;
  }
  
  .chart-header h5 {
    font-size: 1rem;
  }
  
  .chart-header p {
    font-size: 0.8rem;
  }
  
  .charts-grid {
    gap: 1.5rem;
  }
}

@media (max-width: 576px) {
  .chart-container {
    min-height: 200px;
    height: 200px;
  }
  
  .chart-card {
    padding: 1rem;
  }
  
  .chart-header h5 {
    font-size: 0.9rem;
  }
  
  .chart-header p {
    font-size: 0.75rem;
  }
  
  .charts-grid {
    gap: 1rem;
  }
  
  .chart-container canvas {
    max-width: 100%;
    max-height: 100%;
  }
}

/* Action Buttons */
.action-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  padding: 2rem;
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  border: 2px solid var(--border-color);
}

.action-buttons .btn {
  min-width: 160px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition);
}

.action-buttons .btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--secondary-color) 0%, #3db8b0 100%);
  color: var(--primary-color);
}

.cta-section h3 {
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Offcanvas Styles */
.offcanvas {
  background-color: var(--card-bg);
  border-left: 3px solid var(--secondary-color);
}

.offcanvas-header {
  border-bottom: 2px solid var(--border-color);
  background-color: var(--primary-color);
  color: white;
}

.offcanvas-title {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.example-card {
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  transition: var(--transition);
}

.example-card:hover {
  border-color: var(--secondary-color);
  box-shadow: var(--shadow);
}

.result-preview {
  background: rgba(78, 205, 196, 0.1);
  padding: 0.75rem;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--secondary-color);
  font-weight: 600;
  color: var(--primary-color);
}



/* Footer */
.footer {
  background-color: var(--primary-color) !important;
  border-top: 3px solid var(--secondary-color);
}

.footer-logo {
  text-align: center;
}

.footer-logo-img {
  height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: var(--transition);
  opacity: 0.8;
}

.footer-logo-img:hover {
  transform: scale(1.05);
  opacity: 1;
  filter: brightness(0) invert(1) drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
}

.footer h6 {
  color: var(--secondary-color);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer a {
  color: var(--light-color);
  text-decoration: none;
  transition: var(--transition);
}

.footer a:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

/* Dark Mode Toggle */
#darkModeToggle {
  border: 2px solid rgba(255, 255, 255, 0.3);
  transition: var(--transition);
}

#darkModeToggle:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--secondary-color);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

.pulse {
  animation: pulse 2s infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-section {
    padding: 2rem 0;
  }
  
  .hero-logo-img {
    height: 80px;
  }
  
  .section-logo {
    height: 50px;
  }
  
  .navbar-logo {
    height: 42px;
  }
  
  .footer-logo-img {
    height: 35px;
  }
  
  .section-logo-small {
    height: 20px;
  }
  
  .cta-logo-img {
    height: 40px;
  }
  
  .hero-section .display-4 {
    font-size: 2rem;
  }
  
  .stat-card h3 {
    font-size: 1.5rem;
  }
  
  .calculator-card,
  .tips-card,
  .chart-card,
  .summary-card {
    padding: 1.5rem;
  }
  
  .hero-stats {
    padding: 1.5rem;
  }
  
  /* Results Layout Mobile */
  .results-alternatives {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  /* Summary Layout Mobile */
  .summary-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  /* Charts Layout Mobile */
  .charts-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  /* Results Hero Card Mobile */
  .result-hero-card {
    padding: 2rem 1.5rem;
  }
  
  .result-hero-header h3 {
    font-size: 2rem;
  }
  
  .result-hero-value {
    font-size: 3rem;
  }
  
  .hero-metrics {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .metric-value {
    font-size: 1.2rem;
  }
  
  .metric-label {
    font-size: 0.8rem;
  }
  
  /* Alternative Cards Mobile */
  .result-alternative-card .card-header {
    padding: 1rem;
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
  
  .result-alternative-card .card-body {
    padding: 1rem;
  }
  
  .alternative-value {
    font-size: 1.75rem;
  }
  
  .summary-card {
    margin-bottom: 1rem;
  }
  
  .chart-card {
    margin-bottom: 2rem;
  }
  
  .action-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .action-buttons .btn {
    width: 100%;
    max-width: 300px;
    margin-bottom: 0.5rem;
  }
  
  .summary-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .summary-value {
    font-size: 1rem;
  }
}

@media (max-width: 576px) {
  body {
    padding-top: 70px;
  }
  
  .hero-logo-img {
    height: 70px;
  }
  
  .section-logo {
    height: 40px;
  }
  
  .navbar-logo {
    height: 38px;
  }
  
  .footer-logo-img {
    height: 30px;
  }
  
  .section-logo-small {
    height: 18px;
  }
  
  .cta-logo-img {
    height: 35px;
  }
  
  .navbar-brand {
    font-size: 1.2rem;
  }
  
  .hero-section .display-4 {
    font-size: 1.75rem;
  }
  
  .calculator-card,
  .tips-card,
  .chart-card,
  .summary-card {
    padding: 1rem;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
  
  /* Results Layout Extra Small */
  .results-hero .result-hero-card {
    max-width: 100%;
  }
  
  /* Summary Layout Extra Small */
  .summary-grid {
    gap: 1rem;
  }
  
  /* Charts Layout Extra Small */
  .charts-grid {
    gap: 1rem;
  }
  
  /* Results Hero Card Extra Small */
  .result-hero-card {
    padding: 1.5rem 1rem;
  }
  
  .result-hero-header h3 {
    font-size: 1.75rem;
  }
  
  .result-hero-value {
    font-size: 2.5rem;
  }
  
  .metric-value {
    font-size: 1rem;
  }
  
  .metric-label {
    font-size: 0.75rem;
  }
  
  /* Alternative Cards Extra Small */
  .result-alternative-card .card-header {
    padding: 0.75rem;
  }
  
  .result-alternative-card .card-body {
    padding: 0.75rem;
  }
  
  .alternative-value {
    font-size: 1.5rem;
  }
  
  .result-icon-small {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
  
  /* Stack cards vertically on very small screens */
  .summary-card {
    margin-bottom: 1rem;
  }
  
  .chart-container {
    min-height: 250px;
  }
  
  .summary-header {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }
  
  .summary-header i {
    margin-right: 0;
  }
  
  .action-buttons {
    padding: 1rem;
  }
  
  .action-buttons .btn {
    min-width: auto;
    width: 100%;
  }
}

/* Tablet specific adjustments */
@media (min-width: 769px) and (max-width: 1024px) {
  .result-card,
  .summary-card {
    margin-bottom: 1.5rem;
  }
  
  .chart-container {
    min-height: 280px;
  }
  
  .action-buttons {
    gap: 0.75rem;
  }
  
  .action-buttons .btn {
    min-width: 140px;
  }
}

/* Extra small screens - prevent chart overflow */
@media (max-width: 480px) {
  .chart-card {
    padding: 0.75rem;
    margin-bottom: 1rem;
  }
  
  .chart-container {
    min-height: 180px;
    height: 180px;
    overflow: hidden;
  }
  
  .chart-header {
    margin-bottom: 1rem;
  }
  
  .chart-header h5 {
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
  }
  
  .chart-header p {
    font-size: 0.7rem;
  }
  
  .charts-grid {
    gap: 0.75rem;
  }
  
  .chart-container canvas {
    max-width: 100% !important;
    max-height: 100% !important;
    width: auto !important;
    height: auto !important;
  }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 8px 15px rgba(0, 0, 0, 0.4);
    --border-color: #666666;
  }
  
  .form-control {
    border-width: 3px;
  }
  
  .btn {
    border-width: 3px;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .pulse {
    animation: none;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .offcanvas,
  .btn,
  .cta-section {
    display: none !important;
  }
  
  body {
    padding-top: 0;
    background: white !important;
    color: black !important;
  }
  
  .calculator-card,
  .result-card,
  .chart-card {
    border: 2px solid #000 !important;
    box-shadow: none !important;
    page-break-inside: avoid;
  }
}