:root {
  /* Couleurs Heode */
  --brand-primary: #B4A781;
  --brand-primary-hover: #A39670;
  --brand-secondary: #536059;
  --brand-accent: #536059;
  --text-primary: #1E293B;
  --text-secondary: #536059;
  --text-light: #FFFFFF;
  --background-primary: #F8FAFC;
  --background-secondary: #FFFFFF;
  --background-dark: #536059;
  --border-color: #E2E8F0;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Espacement */
  --space-4: 0.25rem;
  --space-8: 0.5rem;
  --space-12: 0.75rem;
  --space-16: 1rem;
  --space-20: 1.25rem;
  --space-24: 1.5rem;
  --space-32: 2rem;
  --space-40: 2.5rem;
  --space-48: 3rem;
  
  /* Typographie */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Poids de police */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Border radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-primary);
  background-image: url('https://heode.fr/themes/off/assets/img/pattern-footer.png');
  background-repeat: repeat;
  background-size: 200px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-32);
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-secondary) 100%);
    color: white;
    padding: var(--space-32);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-32);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header::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"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.header-content {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-24);
    margin-bottom: var(--space-16);
}

.logo-section {
    display: flex;
    align-items: center;
}

.logo {
    height: 50px;
    width: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.title-section {
    text-align: left;
}

.title-section h1 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin: 0 0 var(--space-8) 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.title-section p {
    font-size: var(--font-size-base);
    opacity: 0.9;
    margin: 0;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.back-link {
    position: relative;
    z-index: 1;
    color: white;
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    opacity: 0.8;
    transition: opacity 0.3s ease;
    display: inline-block;
    margin-top: var(--space-16);
}

.back-link:hover {
    opacity: 1;
    text-decoration: underline;
}

.tabs {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-32);
  background: var(--background-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow);
}

.tab-button {
  background: none;
  border: none;
  padding: var(--space-16) var(--space-24);
  margin: 0 var(--space-8);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.tab-button:hover {
  background-color: var(--brand-secondary);
  color: var(--text-light);
  transform: translateY(-1px);
}

.tab-button.active {
  background-color: var(--brand-secondary);
  color: var(--text-light);
  font-weight: var(--font-weight-semibold);
}

.tab-panel {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.tab-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.card {
  background: var(--background-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  margin-bottom: var(--space-24);
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px);
}

.card h2 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-16);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.card-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-24);
  line-height: 1.7;
}

.form-group {
  margin-bottom: var(--space-24);
}

.form-label {
  display: block;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-8);
  text-transform: uppercase;
  font-size: var(--font-size-sm);
  letter-spacing: 0.02em;
}

.form-control {
  width: 100%;
  padding: var(--space-16);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  transition: all 0.3s ease;
  background: var(--background-secondary);
  color: var(--text-primary);
}

.form-control:focus {
  outline: none;
  border-color: var(--brand-secondary);
  box-shadow: 0 0 0 3px rgba(83, 96, 89, 0.1);
}

.form-control:hover {
  border-color: var(--brand-accent);
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  cursor: pointer;
  padding: var(--space-8);
  border-radius: var(--radius-sm);
  transition: background-color 0.3s ease;
}

.checkbox-item:hover {
  background-color: var(--background-primary);
}

.checkbox-input {
  width: 18px;
  height: 18px;
  accent-color: var(--brand-secondary);
  cursor: pointer;
}

.checkbox-label {
  font-size: var(--font-size-base);
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
}

.btn {
  display: inline-block;
  padding: var(--space-16) var(--space-32);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-family: var(--font-family);
}

.btn--primary {
  background-color: var(--brand-primary);
  color: var(--text-light);
}

.btn--primary:hover {
  background-color: var(--brand-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

.btn--secondary {
  background-color: var(--background-secondary);
  color: var(--brand-secondary);
  border: 2px solid var(--brand-secondary);
}

.btn--secondary:hover {
  background-color: var(--brand-secondary);
  color: var(--text-light);
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.results-section {
  background: var(--background-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  margin-top: var(--space-32);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--brand-primary);
}

.results-section h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-24);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-16) 0;
  border-bottom: 1px solid var(--border-color);
}

.result-item:last-child {
  border-bottom: none;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  color: var(--brand-primary);
}

.result-label {
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  text-transform: uppercase;
  font-size: var(--font-size-sm);
  letter-spacing: 0.02em;
}

.result-value {
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.results-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-12);
  margin-top: var(--space-20);
  padding: var(--space-16);
  background: var(--background-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.info-badge {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-8);
  background: var(--background-secondary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.badge-icon {
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.badge-text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.4;
}



/* Dimensions du véhicule */
.vehicle-dimensions {
  margin-top: var(--space-20);
  padding: var(--space-16);
  background: linear-gradient(135deg, var(--brand-secondary) 0%, var(--brand-accent) 100%);
  border-radius: var(--radius-md);
  color: var(--text-light);
}

.vehicle-dimensions h4 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-12);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.dimensions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-12);
}

.dimension-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-8);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.dimension-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.dimension-value {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
}

.total-cost {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--brand-primary);
}

.calculation-details {
  background: var(--background-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  margin-top: var(--space-24);
}

.calculation-details h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-16);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.detail-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-8);
  font-size: var(--font-size-sm);
}

.detail-label {
  color: var(--text-secondary);
}

.detail-value {
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
}

.hidden {
  display: none;
}

.action-buttons {
  display: flex;
  gap: var(--space-12);
  flex-wrap: wrap;
}

.action-buttons .btn {
  flex: 1;
  min-width: 200px;
}

/* Zones calculation styles */
.zones-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-24);
  margin-bottom: var(--space-32);
}

.zone-item {
  background: var(--background-primary);
  border-radius: var(--radius-md);
  padding: var(--space-24);
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.zone-item:hover {
  border-color: var(--brand-secondary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

.zone-item h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-16);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.zones-summary {
  background: linear-gradient(135deg, var(--brand-secondary) 0%, var(--brand-accent) 100%);
  border-radius: var(--radius-md);
  padding: var(--space-20);
  margin-bottom: var(--space-24);
}

.summary-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.summary-label {
  font-weight: var(--font-weight-semibold);
  color: var(--text-light);
  text-transform: uppercase;
  font-size: var(--font-size-sm);
  letter-spacing: 0.02em;
}

.summary-value {
  font-weight: var(--font-weight-bold);
  color: var(--text-light);
  font-size: var(--font-size-lg);
}

.zones-actions {
  display: flex;
  gap: var(--space-12);
  flex-wrap: wrap;
}

.zones-actions .btn {
  flex: 1;
  min-width: 200px;
}

/* Informations de calcul */
.calculation-info {
  margin-top: var(--space-24);
  padding: var(--space-20);
  background: linear-gradient(135deg, var(--background-primary) 0%, var(--background-secondary) 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.calculation-info h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-16);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.info-grid {
  display: grid;
  gap: var(--space-12);
  margin-bottom: var(--space-20);
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-12);
  padding: var(--space-12);
  background: var(--background-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.info-label {
  font-weight: var(--font-weight-semibold);
  color: var(--brand-secondary);
  min-width: 120px;
  flex-shrink: 0;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.info-value {
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.calculation-example {
  background: var(--brand-secondary);
  color: var(--text-light);
  padding: var(--space-16);
  border-radius: var(--radius-md);
  margin-top: var(--space-16);
}

.calculation-example h5 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-12);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.calculation-example p {
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-8);
  line-height: 1.4;
}

.calculation-example p:last-child {
  margin-bottom: 0;
}

/* Responsive design */
@media (max-width: 768px) {
  .container {
    padding: var(--space-16);
  }
  
  .header {
    padding: var(--space-24) var(--space-16);
  }
  
  .header-content {
    flex-direction: column;
    gap: var(--space-16);
  }
  
  .logo {
    max-height: 30px;
  }
  
  .header-text {
    min-width: auto;
  }
  
  .header h1 {
    font-size: var(--font-size-3xl);
  }
  
  .tabs {
  flex-direction: column;
  gap: var(--space-8);
}

  .tab-button {
  margin: 0;
    text-align: center;
  }
  
  .card {
    padding: var(--space-24);
  }
  
  .zones-grid {
    grid-template-columns: 1fr;
  }
  
  .action-buttons {
    flex-direction: column;
  }
  
  .action-buttons .btn {
    min-width: auto;
  }
  
  .zones-actions {
    flex-direction: column;
  }
  
  .zones-actions .btn {
    min-width: auto;
  }
}

@media (max-width: 480px) {
  .header h1 {
    font-size: var(--font-size-2xl);
  }
  
  .card {
    padding: var(--space-16);
  }
  
  .results-section {
    padding: var(--space-24);
  }
}

/* Navigation des onglets */
.tab-navigation {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-32);
  background: var(--background-secondary);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.tab-button {
  flex: 1;
  padding: var(--space-16) var(--space-20);
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
}

.tab-button:hover {
  background: var(--background-primary);
  color: var(--text-primary);
}

.tab-button.active {
  background: var(--brand-secondary);
  color: var(--text-light);
}

.tab-icon {
  font-size: var(--font-size-lg);
}

/* Contenu des onglets */
.tab-content {
  margin-bottom: var(--space-32);
}

.tab-panel {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.tab-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Formulaire */
.form-container {
  background: var(--background-secondary);
  padding: var(--space-32);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  margin-bottom: var(--space-32);
}

.form-container h2 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-24);
}

/* Résultats */
.results {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border: 2px solid #536059;
    border-radius: 12px;
    padding: 2rem;
    margin-top: 2rem;
    box-shadow: 0 8px 32px rgba(83, 96, 89, 0.15);
    position: relative;
    overflow: hidden;
}

.results::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #536059 0%, #B4A781 100%);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e9ecef;
}

.results-header h2 {
    color: #536059;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.results-content {
    margin-bottom: 1.5rem;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border: 1px solid #e9ecef;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.result-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(83, 96, 89, 0.15);
    border-color: #B4A781;
}

.result-label {
    font-weight: 600;
    color: #536059;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.result-value {
    font-weight: 700;
    color: #536059;
    font-size: 1.1rem;
    background: linear-gradient(135deg, #B4A781 0%, #d4c5a0 100%);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    min-width: 80px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(180, 167, 129, 0.3);
}

/* Styles pour la section détails */
.details-section {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 2px solid #e9ecef;
}

.details-section h3 {
    color: #536059;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.details-grid {
  display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
    padding: 0.75rem 1rem;
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.detail-item:hover {
    background: #e9ecef;
    border-color: #B4A781;
}

.detail-label {
    font-weight: 500;
    color: #536059;
    font-size: 0.9rem;
}

.detail-value {
    font-weight: 600;
    color: #536059;
    font-size: 0.95rem;
}

/* Styles pour les dimensions du véhicule */
.vehicle-dimensions {
    margin-top: 1.5rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(83, 96, 89, 0.15);
}

.vehicle-dimensions h4 {
    background: linear-gradient(135deg, #536059 0%, #4a5a52 100%);
    color: white;
    margin: 0;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
}

.dimensions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0;
    background: #536059;
}

.dimension-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
    padding: 0.75rem 1rem;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: background-color 0.3s ease;
}

.dimension-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.dimension-item:last-child {
    border-right: none;
}

.dimension-label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.dimension-value {
    color: white;
    font-weight: 700;
    font-size: 0.95rem;
}

/* Styles pour les actions */
.results-actions {
    margin-top: 2rem;
    text-align: center;
}

.results-actions .btn {
    background: linear-gradient(135deg, #B4A781 0%, #d4c5a0 100%);
    border: none;
    color: white;
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 16px rgba(180, 167, 129, 0.4);
    transition: all 0.3s ease;
    cursor: pointer;
}

.results-actions .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(180, 167, 129, 0.6);
    background: linear-gradient(135deg, #d4c5a0 0%, #B4A781 100%);
}

.results-actions .btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(180, 167, 129, 0.4);
}

/* Style pour la clause de responsabilité */
.disclaimer {
    margin-top: 1rem;
    padding: 0.8rem;
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 6px;
    text-align: center;
}

.disclaimer p {
    margin: 0;
    font-size: 0.8rem;
    color: #856404;
    line-height: 1.4;
}

.disclaimer strong {
    color: #d63031;
}

/* Détails techniques */
.technical-details {
  background: var(--background-primary);
  padding: var(--space-24);
  border-radius: var(--radius-lg);
  margin-top: var(--space-24);
}

.technical-details h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-20);
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-16);
}

.detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-12);
  background: var(--background-secondary);
  border-radius: var(--radius-md);
}

.detail-label {
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
}

.detail-value {
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

/* Grille des zones */
.zones-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-20);
  margin-bottom: var(--space-24);
}

.zone-item {
  background: var(--background-primary);
  padding: var(--space-20);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.zone-label {
  display: block;
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-8);
}

.zone-input {
  width: 100%;
  padding: var(--space-12);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  transition: border-color 0.2s ease;
}

.zone-input:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(180, 167, 129, 0.1);
}

/* Lien de retour */
.back-link {
  color: var(--brand-primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color 0.2s ease;
}

.back-link:hover {
  color: var(--brand-primary-hover);
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .tab-navigation {
    flex-direction: column;
  }
  
  .tab-button {
    justify-content: flex-start;
  }
  
  .results-header {
    flex-direction: column;
    gap: var(--space-16);
    align-items: flex-start;
  }
  
  .results-actions {
    flex-direction: column;
  }
  
  .zones-grid {
    grid-template-columns: 1fr;
  }
  
  .details-grid {
    grid-template-columns: 1fr;
  }
}