/* === PAGE D'INSCRIPTION === */
.auth-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-color: var(--secondary-color);
  padding: var(--spacing-lg);
}

/* === CONTENEUR PRINCIPAL === */
.auth-container {
  width: 100%;
  max-width: 650px;
  background-color: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

/* === SECTION FORMULAIRE === */
.auth-form-section {
  padding: var(--spacing-2xl);
}

/* === EN-TÊTE DU FORMULAIRE === */
.form-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.form-title {
  font-size: var(--font-xl);
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.form-subtitle {
  font-size: var(--font-base);
  color: var(--text-color);
  opacity: 0.7;
}

/* === PROGRESSION DU FORMULAIRE === */
.form-progress {
  margin-bottom: var(--spacing-xl);
}

.progress-steps {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  margin-bottom: var(--spacing-base);
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 2;
  background: white;
  padding: 0 var(--spacing-sm);
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--secondary-color);
  color: var(--text-color);
  opacity: 0.7;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  border: 2px solid var(--secondary-color);
  transition: var(--transition);
}

.step-label {
  font-size: var(--font-xs);
  font-weight: 500;
  color: var(--text-color);
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.step.active .step-number {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: scale(1.1);
  opacity: 1;
}

.step.active .step-label {
  color: var(--primary-color);
  font-weight: 600;
  opacity: 1;
}

.step.completed .step-number {
  background: var(--success-color);
  color: white;
  border-color: var(--success-color);
  opacity: 1;
}

.step.completed .step-number::before {
  content: '✓';
  font-size: var(--font-xs);
}

.step.completed .step-label {
  color: var(--success-color);
  opacity: 1;
}

.progress-bar {
  height: 4px;
  background: var(--secondary-color);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--spacing-base);
}

.progress-fill {
  height: 100%;
  background: var(--primary-color);
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
  width: 0%;
}

/* === ÉTAPES DU FORMULAIRE === */
.form-step {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.form-step.active {
  display: block;
}

.step-title {
  font-size: var(--font-lg);
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-base);
  border-bottom: 1px solid var(--border-color);
  text-align: left;
}

/* === ACTIONS DU FORMULAIRE === */
.form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

/* === CONSENTEMENT === */
.form-consent {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: rgba(31, 59, 115, 0.03);
  border-radius: var(--radius-lg);
}

.form-consent .checkbox-group:last-child {
  margin-bottom: 0;
}

.form-consent label a {
  color: var(--accent-color);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.form-consent label a:hover {
  text-decoration: underline;
}

/* === PIED DE PAGE === */
.form-footer {
  text-align: center;
  margin-top: var(--spacing-xl);
  font-size: var(--font-sm);
}

.auth-switch {
  color: var(--text-color);
  opacity: 0.7;
}

.auth-link {
  color: var(--accent-color);
  font-weight: 600;
  text-decoration: none;
}

.auth-link:hover {
  text-decoration: underline;
}

/* === ALERTES === */
.alert {
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-base);
  border: 1px solid;
  font-size: var(--font-sm);
}

.alert-success {
  background-color: rgba(76, 175, 80, 0.08);
  border-color: rgba(76, 175, 80, 0.2);
  color: #1B5E20;
}

.alert-error {
  background-color: rgba(229, 57, 53, 0.08);
  border-color: rgba(229, 57, 53, 0.2);
  color: #B71C1C;
}

.alert i {
  font-size: var(--font-lg);
  margin-top: 2px;
  flex-shrink: 0;
}

.alert-success i { 
  color: var(--success-color); 
}

.alert-error i { 
  color: var(--error-color); 
}

.alert-content h3 {
  margin: 0 0 var(--spacing-xs) 0;
  font-size: var(--font-base);
  font-weight: 600;
}

.alert-content p,
.alert-content ul {
  margin: 0;
  line-height: 1.5;
  opacity: 0.9;
}

ul.error-list {
  list-style-position: inside;
  padding: 0;
}

/* === CHARGEMENT DE BOUTON === */
.btn.loading {
  pointer-events: none;
  position: relative;
}

.btn.loading .btn-text {
  opacity: 0;
}

.btn-loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
  display: none;
}

.btn.loading .btn-loader {
  display: block;
}

@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* === FORCE DU MOT DE PASSE === */
.password-strength {
  margin-top: var(--spacing-sm);
  opacity: 0;
  transition: var(--transition);
}

.password-strength.show {
  opacity: 1;
}

.strength-bar {
  height: 4px;
  background: var(--secondary-color);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--spacing-xs);
}

.strength-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: var(--transition);
  width: 0%;
}

.strength-text {
  font-size: var(--font-xs);
  font-weight: 500;
  color: var(--text-color);
  opacity: 0.7;
}

/* === FEEDBACK DE FORMULAIRE === */
.form-feedback {
  font-size: var(--font-xs);
  margin-top: var(--spacing-xs);
  font-weight: 500;
  min-height: 16px;
}

.form-feedback.success {
  color: var(--success-color);
}

.form-feedback.error {
  color: var(--error-color);
}

.form-feedback.warning {
  color: var(--warning-color);
}

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

/* === RESPONSIVE === */
@media (max-width: 700px) {
  .auth-page {
    padding: 0;
    background-color: white;
    justify-content: flex-start;
  }
  
  .auth-container {
    width: 100%;
    max-width: none;
    height: auto;
    min-height: 100vh;
    border-radius: 0;
    box-shadow: none;
  }
  
  .auth-form-section {
    padding: var(--spacing-xl) var(--spacing-base);
  }
  
  .progress-steps {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
  
  .step {
    padding: 0;
  }
  
  .form-actions {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .form-actions .btn {
    width: 100%;
    order: 2;
  }
  
  .form-actions .btn[type="button"] {
    order: 1;
  }
}

@media (max-width: 480px) {
  .auth-form-section {
    padding: var(--spacing-lg) var(--spacing-sm);
  }
  
  .form-title {
    font-size: var(--font-lg);
  }
  
  .step-title {
    font-size: var(--font-base);
  }
  
  .form-consent {
    padding: var(--spacing-base);
  }
  
  .alert {
    padding: var(--spacing-base);
  }
  
  .step-number {
    width: 32px;
    height: 32px;
    font-size: var(--font-xs);
  }
  
  .form-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-base);
  }
}