/* ========================================
   PAGE DE CONNEXION - DESIGN COHÉRENT
   ======================================== */

.login-main {
  padding-top: 100px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px var(--spacing-lg) var(--spacing-2xl);
  background: 
    radial-gradient(ellipse at center, rgba(255,255,255,0.02) 0%, transparent 70%),
    linear-gradient(135deg, #000000 0%, #0a0a0a 50%, #000000 100%);
  position: relative;
  overflow: hidden;
}

/* Navigation de la page de connexion */
.login-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-navigation);
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.login-nav .nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.back-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-primary);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s var(--ease-natural);
  backdrop-filter: blur(10px);
}

.back-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateX(-2px);
}

.back-btn i {
  width: 18px;
  height: 18px;
}

.login-nav .nav-logo {
  position: static;
  transform: none;
}

.login-nav .logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text-primary);
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

/* Conteneur principal */
.login-container {
  width: 100%;
  max-width: 450px;
  position: relative;
  z-index: 2;
}

/* Carte d'authentification transparente */
.auth-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
  animation: cardFadeIn 0.6s var(--ease-natural);
}

.auth-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* En-tête de la carte */
.auth-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.auth-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.auth-subtitle {
  color: var(--color-text-secondary);
  font-size: 1rem;
  font-weight: 400;
  opacity: 0.8;
}

/* Formulaire */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* Groupes d'inputs */
.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.input-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-primary);
  opacity: 0.9;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: var(--spacing-md);
  width: 18px;
  height: 18px;
  color: var(--color-text-secondary);
  z-index: 2;
  transition: color 0.3s var(--ease-natural);
}

.auth-input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 3rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: 1rem;
  font-weight: 400;
  transition: all 0.3s var(--ease-natural);
  backdrop-filter: blur(10px);
}

.auth-input::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.6;
}

.auth-input:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.auth-input:focus + .input-icon,
.auth-input:focus ~ .input-icon {
  color: var(--color-text-primary);
}

.password-toggle {
  position: absolute;
  right: var(--spacing-md);
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all 0.3s var(--ease-natural);
  z-index: 2;
}

.password-toggle:hover {
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.password-toggle i {
  width: 18px;
  height: 18px;
}

/* Options du formulaire */
.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: var(--spacing-sm) 0;
}

/* Checkbox personnalisée */
.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  user-select: none;
}

.checkbox-input {
  display: none;
}

.checkbox-custom {
  width: 18px;
  height: 18px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  position: relative;
  transition: all 0.3s var(--ease-natural);
  backdrop-filter: blur(10px);
}

.checkbox-input:checked + .checkbox-custom {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

.checkbox-input:checked + .checkbox-custom::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 5px;
  width: 6px;
  height: 10px;
  border: solid var(--color-text-primary);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-label {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  opacity: 0.9;
}

.forgot-password {
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s var(--ease-natural);
  opacity: 0.8;
}

.forgot-password:hover {
  opacity: 1;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

/* Boutons */
.auth-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s var(--ease-natural);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.auth-btn i {
  width: 18px;
  height: 18px;
}

/* Bouton principal */
.primary-btn {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-text-primary);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.primary-btn:hover {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0.1));
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.primary-btn:active {
  transform: translateY(0);
}

/* Bouton Google */
.google-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-text-primary);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.google-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.google-icon {
  flex-shrink: 0;
}

/* Séparateur */
.auth-divider {
  display: flex;
  align-items: center;
  margin: var(--spacing-lg) 0;
  position: relative;
}

.auth-divider::before {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.auth-divider span {
  padding: 0 var(--spacing-md);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0.7;
}

/* Pied de page */
.auth-footer {
  text-align: center;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-footer p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  opacity: 0.8;
}

.auth-link {
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s var(--ease-natural);
  opacity: 0.9;
}

.auth-link:hover {
  opacity: 1;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.terms-link {
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s var(--ease-natural);
  opacity: 0.8;
}

.terms-link:hover {
  opacity: 1;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

/* Notification */
.notification {
  position: fixed;
  top: 100px;
  right: var(--spacing-lg);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transform: translateX(100%);
  transition: all 0.3s var(--ease-natural);
}

.notification.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.notification-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-weight: 500;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.notification-icon {
  width: 20px;
  height: 20px;
  color: #10b981;
}

.notification-message {
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .login-main {
    padding: 100px var(--spacing-md) var(--spacing-lg);
  }
  
  .auth-card {
    padding: var(--spacing-xl);
    margin: 0 var(--spacing-sm);
  }
  
  .auth-title {
    font-size: 1.75rem;
  }
  
  .form-options {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: flex-start;
  }
  
  .back-btn span {
    display: none;
  }
}

@media (max-width: 480px) {
  .login-main {
    padding: 80px var(--spacing-sm) var(--spacing-md);
  }
  
  .auth-card {
    padding: var(--spacing-lg);
  }
  
  .auth-title {
    font-size: 1.5rem;
  }
  
  .auth-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
  }
  
  .notification {
    right: var(--spacing-sm);
    left: var(--spacing-sm);
  }
}

/* Mode contraste élevé */
@media (prefers-contrast: high) {
  .auth-card {
    background: var(--color-background);
    border: 2px solid var(--color-text-primary);
  }
  
  .auth-input {
    background: var(--color-background);
    border: 2px solid var(--color-text-primary);
    color: var(--color-text-primary);
  }
  
  .auth-btn {
    background: var(--color-background);
    border: 2px solid var(--color-text-primary);
    color: var(--color-text-primary);
  }
  
  .back-btn {
    background: var(--color-background);
    border: 2px solid var(--color-text-primary);
    color: var(--color-text-primary);
  }
}