:root {
  /* Light theme variables */
  --bg-primary: #f5f7fa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f8f9fa;
  --text-primary: #333333;
  --text-secondary: #666666;
  --text-tertiary: #888888;
  --accent-primary: #4CAF50;
  --accent-secondary: #45a049;
  --border-color: #dddddd;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --mutation-bg: #1a1a1a;
  --mutation-text: #ffffff;
}

[data-theme="dark"] {
  /* Dark theme variables */
  --bg-primary: #121212;
  --bg-secondary: #1e1e1e;
  --bg-tertiary: #2d2d2d;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-tertiary: #888888;
  --accent-primary: #4CAF50;
  --accent-secondary: #45a049;
  --border-color: #444444;
  --shadow-color: rgba(0, 0, 0, 0.3);
  --mutation-bg: #2d2d2d;
  --mutation-text: #ffffff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  width: 100%;
  font-family: 'Arial', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Navigation Styles */
.main-nav {
  background: #2c3e50;
  color: white;
  padding: 0;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

.nav-logo {
  font-size: 1.5em;
  font-weight: bold;
  color: #4CAF50;
}

.nav-links {
  display: flex;
  gap: 25px;
  align-items: center;
}

/* Theme Toggle Styles */
.theme-toggle {
  background: none;
  border: 2px solid var(--accent-primary);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 15px;
}

.theme-toggle:hover {
  background-color: var(--accent-primary);
}

.theme-icon {
  font-size: 18px;
  transition: transform 0.3s ease;
}

.theme-toggle:hover .theme-icon {
  transform: rotate(20deg);
}

.nav-link {
  color: white;
  text-decoration: none;
  padding: 8px 15px;
  border-radius: 5px;
  transition: all 0.3s ease;
}

.nav-link:hover {
  background-color: #34495e;
  color: #4CAF50;
}

.nav-link.active {
  background-color: #4CAF50;
  color: white;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

header {
  text-align: center;
  margin-bottom: 30px;
  background: var(--bg-secondary);
  padding: 40px 25px;
  border-radius: 12px;
  box-shadow: 0 2px 10px var(--shadow-color);
}

/* Hero Content Styles */
.hero-content h1 {
  font-size: 2.5em;
  color: var(--accent-primary);
  margin-bottom: 15px;
  font-weight: bold;
}

.hero-description {
  font-size: 1.2em;
  color: var(--text-secondary);
  margin-bottom: 30px;
  line-height: 1.6;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin: 40px 0;
}

.feature-item {
  background: var(--bg-tertiary);
  padding: 25px;
  border-radius: 10px;
  text-align: center;
  border: 2px solid var(--border-color);
  transition: all 0.3s ease;
}

.feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px var(--shadow-color);
  border-color: var(--accent-primary);
}

.feature-icon {
  font-size: 3em;
  margin-bottom: 15px;
}

.feature-item h3 {
  color: var(--accent-primary);
  margin-bottom: 10px;
  font-size: 1.3em;
}

.feature-item p {
  color: var(--text-secondary);
  line-height: 1.5;
  font-size: 0.95em;
}

.logo {
  font-size: 2.5em;
  font-weight: bold;
  color: var(--accent-primary);
  margin-bottom: 15px;
}

.disclaimer p {
  margin: 8px 0;
  color: var(--text-secondary);
  line-height: 1.5;
}

.main-content {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.category-section {
  background: var(--bg-secondary);
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 2px 10px var(--shadow-color);
}

.category-section h3 {
  margin-bottom: 15px;
  color: var(--text-primary);
  font-size: 1.2em;
}

.category-dropdown select {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-size: 16px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  transition: border-color 0.3s ease;
}

.category-dropdown select:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.plant-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 15px;
  background: var(--bg-secondary);
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 2px 10px var(--shadow-color);
}

/* Ad Spaces */
.ad-space {
  margin: 20px 0;
  text-align: center;
  min-height: 90px;
  background: var(--bg-tertiary);
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  display: block;
  width: 100%;
  color: var(--text-tertiary);
}

.ad-space .adsbygoogle {
  display: block !important;
  width: 100% !important;
  min-height: 90px;
}

.ad-top {
  margin-bottom: 30px;
}

.ad-bottom {
  margin-top: 30px;
}

.ad-sidebar {
  position: relative;
  width: 100%;
  max-width: 300px;
  margin: 20px auto;
  display: block;
}

.ad-category {
  margin: 30px 0;
  background: var(--bg-secondary);
}

.ad-plants {
  margin: 25px 0;
  background: var(--bg-secondary);
}

.ad-faq-top {
  margin: 40px 0 30px 0;
  background: var(--bg-secondary);
}

.ad-faq-bottom {
  margin: 30px 0 40px 0;
  background: var(--bg-secondary);
}

/* SEO Content Styles */
.seo-content {
  background: var(--bg-secondary);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 2px 10px var(--shadow-color);
  margin-top: 40px;
}

.seo-content h2 {
  color: var(--accent-primary);
  margin-bottom: 25px;
  font-size: 2em;
  text-align: center;
}

.seo-content h3 {
  color: var(--accent-primary);
  margin: 20px 0 10px 0;
  font-size: 1.4em;
}

.seo-content h4 {
  color: var(--text-primary);
  margin: 15px 0 10px 0;
  font-size: 1.2em;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin: 30px 0;
}

.content-block {
  background: var(--bg-tertiary);
  padding: 20px;
  border-radius: 8px;
  border-left: 4px solid var(--accent-primary);
}

.content-block h3 {
  margin-bottom: 10px;
  font-size: 1.2em;
}

.content-block p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.category-info {
  margin: 20px 0;
}

.category-info h4 {
  color: var(--accent-primary);
  margin-top: 20px;
  margin-bottom: 10px;
}

.seo-content ul {
  margin: 15px 0 15px 30px;
}

.seo-content li {
  color: var(--text-secondary);
  margin-bottom: 8px;
  line-height: 1.5;
}

.seo-content p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 15px;
}

.plant-card {
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: 10px;
  padding: 15px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.plant-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 15px var(--shadow-color);
  border-color: var(--accent-primary);
}

.plant-image {
  font-size: 2.5em;
  margin-bottom: 8px;
}

.plant-name {
  font-weight: bold;
  color: var(--text-primary);
  margin-bottom: 5px;
  font-size: 0.9em;
}

.plant-category {
  font-size: 0.8em;
  color: var(--text-secondary);
  text-transform: capitalize;
}

.calculator-section {
  background: var(--bg-secondary);
  border-radius: 12px;
  box-shadow: 0 2px 10px var(--shadow-color);
  overflow: hidden;
}

.calculator-panel {
  padding: 30px;
}

.calculator-panel h3 {
  color: var(--accent-primary);
  margin-bottom: 20px;
  font-size: 1.5em;
  text-align: center;
}

.plant-image-container {
  text-align: center;
  margin-bottom: 20px;
}

.input-group {
  margin-bottom: 20px;
}

.input-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
  color: var(--text-primary);
}

.input-group input {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-size: 16px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: border-color 0.3s ease;
}

.input-group input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.buttons {
  display: flex;
  gap: 15px;
  margin-bottom: 25px;
  flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
  padding: 12px 25px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  flex: 1;
  min-width: 150px;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--accent-secondary);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--text-secondary);
  color: white;
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: #5a6268;
  transform: translateY(-2px);
}

.results {
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
}

.results h4 {
  color: var(--accent-primary);
  margin-bottom: 15px;
  font-size: 1.2em;
}

.result-item {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

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

.total-value {
  background: #e8f5e8;
  padding: 12px;
  margin-top: 10px;
  border-radius: 6px;
  font-size: 1.1em;
  color: #2e7d32;
}

.helper-text {
  color: #666;
  font-style: italic;
  margin-top: 15px;
  padding: 10px;
  background: #f0f8ff;
  border-left: 4px solid #4CAF50;
  border-radius: 4px;
}

.no-plants {
  text-align: center;
  color: var(--text-secondary);
  font-style: italic;
  padding: 40px;
}

.pet-calculator {
  text-align: center;
  padding: 40px;
  background: #f8f9fa;
  border-radius: 10px;
  margin: 20px 0;
}

.pet-calculator h3 {
  color: #4CAF50;
  margin-bottom: 15px;
}

.pet-calculator p {
  color: #666;
  font-size: 1.1em;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 15px;
  }
  
  .plant-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
    padding: 20px;
  }
  
  .plant-card {
    padding: 10px;
    min-height: 100px;
  }
  
  .plant-image {
    font-size: 2em;
  }
  
  .buttons {
    flex-direction: column;
  }
  
  .btn-primary, .btn-secondary {
    min-width: auto;
  }
  
  .result-item {
    flex-direction: column;
    gap: 5px;
  }
  
  .logo {
    font-size: 2em;
  }
  
  .nav-links {
    flex-direction: column;
    gap: 10px;
  }
  
  .nav-container {
    flex-direction: column;
    gap: 15px;
  }
}

/* Enhanced Calculator Styles */
.selected-plant-emoji {
  font-size: 4em;
  margin: 20px 0;
}

.mutations-section {
  background: var(--mutation-bg);
  color: var(--mutation-text);
  padding: 20px;
  border-radius: 10px;
  margin-bottom: 20px;
  border: 2px solid var(--border-color);
}

.mutations-section h4 {
  color: var(--accent-primary);
  margin-bottom: 15px;
  text-align: center;
}

.mutation-controls {
  display: flex;
  gap: 10px;
  margin-bottom: 15px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-small {
  padding: 8px 12px;
  font-size: 12px;
  background: #333;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.btn-small:hover {
  background: #555;
}

.mutation-search {
  margin-bottom: 15px;
}

.mutation-search input {
  width: 100%;
  padding: 10px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 5px;
}

.mutation-search input::placeholder {
  color: #888;
}

.mutations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
  max-height: 400px;
  overflow-y: auto;
}

.mutation-btn {
  padding: 8px 12px;
  border: 2px solid transparent;
  border-radius: 5px;
  cursor: pointer;
  font-size: 12px;
  transition: all 0.3s ease;
  text-align: center;
}

.mutation-btn.common {
  background: #666;
  color: white;
}

.mutation-btn.uncommon {
  background: #2ecc71;
  color: white;
}

.mutation-btn.rare {
  background: #3498db;
  color: white;
}

.mutation-btn.epic {
  background: #9b59b6;
  color: white;
}

.mutation-btn.legendary {
  background: linear-gradient(45deg, #f39c12, #e67e22);
  color: white;
}

.mutation-btn.premium {
  background: linear-gradient(45deg, #ffd700, #ffed4a);
  color: black;
}

.mutation-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.mutation-btn.selected {
  border-color: #4CAF50;
  box-shadow: 0 0 5px rgba(76, 175, 80, 0.3);
  background-color: rgba(76, 175, 80, 0.1);
}

.mutation-formula {
  background: var(--bg-tertiary);
  padding: 15px;
  border-radius: 5px;
  text-align: center;
  font-family: monospace;
  font-size: 14px;
  margin-bottom: 15px;
  color: var(--accent-primary);
  border: 1px solid var(--border-color);
}

.mutation-buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
}

.input-section h4 {
  color: var(--accent-primary);
  margin-bottom: 15px;
}

.weight-inputs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
  margin-bottom: 20px;
}

.input-group input[type="range"] {
  width: 100%;
  margin-top: 10px;
}

#friendBoostValue {
  display: inline-block;
  margin-left: 10px;
  font-weight: bold;
  color: var(--accent-primary);
}

.value-display {
  background: var(--mutation-bg);
  color: var(--accent-primary);
  padding: 20px;
  border-radius: 10px;
  text-align: center;
  margin: 20px 0;
  border: 2px solid var(--border-color);
}

.total-value {
  font-size: 2.5em;
  font-weight: bold;
  margin-bottom: 15px;
}

#addToList {
  margin-top: 10px;
}

.calculation-breakdown {
  background: var(--bg-tertiary);
  padding: 15px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.calc-item {
  display: flex;
  justify-content: space-between;
  padding: 5px 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

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

.calc-item.total {
  background: var(--accent-primary);
  padding: 10px;
  margin-top: 10px;
  border-radius: 5px;
  font-size: 1.2em;
  color: white;
  font-weight: bold;
}

/* Modal Styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2000;
}

.modal-content {
  background: var(--bg-secondary);
  padding: 30px;
  border-radius: 10px;
  max-width: 400px;
  width: 90%;
  text-align: center;
  border: 1px solid var(--border-color);
}

.modal-content h3 {
  color: var(--accent-primary);
  margin-bottom: 15px;
}

.modal-content input {
  width: 100%;
  padding: 10px;
  margin: 15px 0;
  border: 2px solid #ddd;
  border-radius: 5px;
}

.modal-buttons {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.modal-buttons button {
  flex: 1;
}

#weightResult {
  margin-top: 15px;
  padding: 10px;
  background: #e8f5e8;
  border-radius: 5px;
  color: #2e7d32;
}

/* Page Content Styles */
.page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
  background: var(--bg-secondary);
  border-radius: 12px;
  box-shadow: 0 2px 10px var(--shadow-color);
  border: 1px solid var(--border-color);
}

.page-content h1 {
  color: var(--accent-primary);
  margin-bottom: 20px;
  text-align: center;
}

.page-content h2 {
  color: var(--text-primary);
  margin-top: 30px;
  margin-bottom: 15px;
  border-bottom: 2px solid var(--accent-primary);
  padding-bottom: 5px;
}

.page-content p {
  line-height: 1.6;
  margin-bottom: 15px;
  color: var(--text-secondary);
}

.page-content ul {
  margin-left: 20px;
  margin-bottom: 15px;
}

.page-content li {
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.page-content a {
  color: var(--accent-primary);
  text-decoration: none;
}

.page-content a:hover {
  text-decoration: underline;
}

.back-link {
  display: inline-block;
  margin-top: 30px;
  padding: 10px 20px;
  background: #4CAF50;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  transition: background 0.3s ease;
}

.back-link:hover {
  background: #45a049;
}

/* FAQ Section Styling */
.faq-section {
  background: var(--bg-secondary);
  padding: 60px 0;
  margin-top: 40px;
}

.faq-section h2 {
  text-align: center;
  margin-bottom: 40px;
  color: var(--accent-primary);
  font-size: 2.5em;
  font-weight: bold;
}

.faq-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.faq-item {
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 15px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}

.faq-question {
  padding: 20px 25px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: bold;
  font-size: 1.1em;
  color: var(--text-primary);
  background: var(--bg-primary);
  transition: background 0.3s ease;
}

.faq-question:hover {
  background: var(--bg-tertiary);
}

.faq-toggle {
  font-size: 1.5em;
  font-weight: bold;
  color: var(--accent-primary);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
}

.faq-answer p {
  padding: 20px 25px;
  margin: 0;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Footer Styling */
.site-footer {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  padding: 50px 0 20px;
  margin-top: 60px;
  border-top: 3px solid var(--accent-primary);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h4 {
  color: var(--accent-primary);
  margin-bottom: 15px;
  font-size: 1.3em;
  font-weight: bold;
}

.footer-section p {
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 15px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  text-align: center;
}

.footer-disclaimer {
  margin-bottom: 15px;
}

.footer-disclaimer p {
  font-size: 0.9em;
  color: var(--text-secondary);
  margin: 0;
}

.footer-copyright {
  font-size: 0.85em;
  color: var(--text-secondary);
}

.footer-copyright p {
  margin: 0;
}

/* Enhanced Content Boxes */
.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin: 40px 0;
}

.content-block {
  background: var(--bg-primary);
  padding: 25px;
  border-radius: 12px;
  border: 2px solid var(--border-color);
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
}

.content-block:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.15);
  border-color: var(--accent-primary);
}

.content-block h3 {
  color: var(--accent-primary);
  margin-bottom: 15px;
  font-size: 1.4em;
  font-weight: bold;
}

.content-block p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.category-info {
  background: var(--bg-secondary);
  padding: 30px;
  border-radius: 12px;
  margin: 30px 0;
  border: 2px solid var(--border-color);
}

.category-info h4 {
  color: var(--accent-primary);
  margin-bottom: 10px;
  font-size: 1.2em;
  font-weight: bold;
}

.category-info p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.contact-form {
  background: var(--bg-tertiary);
  padding: 20px;
  border-radius: 8px;
  margin: 20px 0;
  border: 1px solid var(--border-color);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: 2px solid var(--border-color);
  border-radius: 5px;
  font-size: 16px;
  background: var(--bg-primary);
  color: var(--text-primary);
}

.form-group textarea {
  height: 120px;
  resize: vertical;
}

.discord-link {
  display: inline-block;
  background: #7289da;
  color: white;
  padding: 12px 20px;
  text-decoration: none;
  border-radius: 5px;
  margin: 10px 5px;
  transition: background 0.3s ease;
}

.discord-link:hover {
  background: #5b6eae;
}

/* Additional responsive design */
@media (max-width: 768px) {
  .mutations-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
  
  .weight-inputs {
    grid-template-columns: 1fr;
  }
  
  .mutation-controls {
    flex-direction: column;
  }
  
  .total-value {
    font-size: 2em;
  }
  
  .content-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .faq-question {
    padding: 15px 20px;
    font-size: 1em;
  }
  
  .faq-answer p {
    padding: 15px 20px;
  }
  
  .faq-section h2 {
    font-size: 2em;
  }
}