/* === HEADER PRINCIPAL === */
.site-header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  /* -- MODIFICATION --: Rendu fixe et non plus "sticky" pour un meilleur support */
  position: fixed;
  top: 0;
  width: 100%; /* Ajout pour que le header prenne toute la largeur */
  z-index: 1000;
  transition: var(--transition);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-base);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
  gap: var(--spacing-lg);
}

/* === LOGO ET MARQUE === */
.header-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-link {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

.logo-link:hover {
  transform: scale(1.02);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.logo-image {
  height: 40px;
  width: auto;
  transition: var(--transition);
}

.logo-text {
  font-size: var(--font-xl);
  font-weight: 700;
  color: var(--primary-color);
}

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

/* === NAVIGATION === */
.main-navigation {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: center;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-base);
  transition: var(--transition);
  position: relative;
}

.nav-link:hover {
  color: var(--primary-color);
  background: var(--secondary-color);
}

.nav-link.active {
  color: var(--primary-color);
  background: var(--secondary-color);
  font-weight: 600;
}

/* === ACTIONS HEADER === */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-base);
  flex-shrink: 0;
}

/* === STATS RAPIDES HEADER === */
.header-quick-stats {
  background: var(--secondary-color);
  border-bottom: 1px solid var(--border-color);
}

.quick-stats {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  min-height: 50px;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-sm);
}

.stat-label {
  color: var(--text-color);
  opacity: 0.7;
}

.stat-value {
  font-weight: 600;
  color: var(--primary-color);
}

.stat-value.pending {
  color: var(--warning-color);
}

.quick-action {
  margin-left: auto; /* Pousse le bouton d'action vers la droite */
}


/* === SÉLECTEUR DE LANGUE === */
.language-selector-wrapper {
  position: relative;
}

.language-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  background: white;
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: var(--transition);
  font-size: var(--font-sm);
  color: var(--text-color);
}

.language-toggle:hover {
  background: var(--secondary-color);
  border-color: var(--accent-color);
}

.current-flag,
.flag-icon {
  width: 20px;
  height: 15px;
  object-fit: cover;
  border-radius: 2px;
}

.current-lang {
  font-weight: 600;
  font-size: var(--font-xs);
  text-transform: uppercase;
}

.dropdown-arrow {
  font-size: var(--font-xs);
  transition: var(--transition);
  opacity: 0.7;
}

.language-toggle[aria-expanded="true"] .dropdown-arrow {
  transform: rotate(180deg);
}

.language-dropdown {
  position: absolute;
  top: calc(100% + var(--spacing-sm));
  right: 0;
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-sm);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  z-index: 1100;
}

.language-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.language-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  color: var(--text-color);
  border-radius: var(--radius-base);
  transition: var(--transition);
  font-size: var(--font-sm);
}

.language-option:hover {
  background: var(--secondary-color);
  color: var(--primary-color);
}

.language-name {
  font-weight: 500;
}

/* === MENU UTILISATEUR === */
.user-menu-wrapper {
  position: relative;
}

.user-menu-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm);
  border: 1px solid var(--border-color);
  background: white;
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: var(--transition);
  max-width: 250px;
}

.user-menu-toggle:hover {
  background: var(--secondary-color);
  border-color: var(--accent-color);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--primary-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--font-sm);
  flex-shrink: 0;
}

.user-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
  flex: 1;
}

.user-name {
  font-weight: 600;
  font-size: var(--font-sm);
  color: var(--text-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
}

.user-balance {
  font-size: var(--font-xs);
  color: var(--accent-color);
  font-weight: 600;
  background: rgba(0, 184, 217, 0.1);
  padding: 2px var(--spacing-xs);
  border-radius: var(--radius-sm);
}

.user-dropdown {
  position: absolute;
  top: calc(100% + var(--spacing-sm));
  right: 0;
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 280px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  z-index: 1100;
  overflow: hidden;
}

.user-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-base);
  padding: var(--spacing-lg);
  background: var(--secondary-color);
  border-bottom: 1px solid var(--border-color);
}

.user-details {
  flex: 1;
  min-width: 0;
}

.user-full-name {
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 2px;
}

.user-email {
  font-size: var(--font-xs);
  color: var(--text-color);
  opacity: 0.7;
  margin-bottom: var(--spacing-xs);
}

.user-dropdown-body {
  padding: var(--spacing-sm);
}

.user-menu-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-base);
  text-decoration: none;
  color: var(--text-color);
  border-radius: var(--radius-base);
  transition: var(--transition);
  font-size: var(--font-sm);
  font-weight: 500;
}

.user-menu-item:hover {
  background: var(--secondary-color);
  color: var(--primary-color);
}

.menu-icon {
  font-size: var(--font-base);
  width: 20px;
  text-align: center;
}

.user-menu-divider {
  height: 1px;
  background: var(--border-color);
  margin: var(--spacing-sm) 0;
}

.logout-item {
  color: var(--error-color);
}

.logout-item:hover {
  background: rgba(229, 57, 53, 0.1);
  color: var(--error-color);
}

/* === NOTIFICATIONS === */
.notifications-wrapper {
  position: relative;
}

.notifications-toggle {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-color);
  background: white;
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-color);
}

.notifications-toggle:hover {
  background: var(--secondary-color);
  border-color: var(--accent-color);
}

.notification-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--error-color);
  color: white;
  border-radius: var(--radius-full);
  width: 18px;
  height: 18px;
  font-size: var(--font-xs);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid white;
}

/* === BOUTONS D'AUTHENTIFICATION === */
.auth-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.btn-login {
  text-decoration: none;
  color: var(--primary-color);
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-base);
  border-radius: var(--radius-base);
  transition: var(--transition);
  font-size: var(--font-sm);
}

.btn-login:hover {
  background: var(--secondary-color);
}

/* -- AJOUT --: Masquer les boutons d'authentification mobiles par défaut */
.mobile-auth-item {
    display: none;
}

/* === MENU MOBILE === */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-base);
  transition: var(--transition);
  z-index: 1001; /* Doit être au-dessus du header */
}

.mobile-menu-toggle:hover {
  background: var(--secondary-color);
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--text-color);
  border-radius: 1px;
  transition: var(--transition);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* === BARRE DE LANGUE === */
.lang-selector-bar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 0 var(--spacing-lg);
  background-color: transparent;
  transition: var(--transition);
  height: 35px;
  overflow: visible;
}

.site-header.header-scrolled .lang-selector-bar {
  opacity: 0;
  height: 0;
  transform: translateY(-20px);
  pointer-events: none;
}

.lang-selector-bar .language-toggle {
  background: transparent;
  border: none;
  color: var(--accent-color);
  padding: var(--spacing-sm);
}

.lang-selector-bar .language-toggle:hover {
  color: var(--primary-color);
  background: transparent;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .header-container {
    padding: 0 var(--spacing-md);
  }
  
  .nav-menu {
    gap: var(--spacing-lg);
  }
  
  .tagline {
    display: none;
  }
  
  .user-info {
    display: none;
  }
}

@media (max-width: 768px) {

  .main-navigation {
    display: none;
    position: fixed;
    top: 0;
   
    left: auto; 
    right: 0;  
    

    width: 85%;
    max-width: 320px;

    height: 100vh;
    background: white;
    flex-direction: column;
    

    justify-content: flex-start; 
    align-items: flex-end; 
    padding: var(--spacing-xl);
    padding-top: 80px; 

    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    box-shadow: -5px 0 15px rgba(0,0,0,0.1); 
  }

  .main-navigation.active {
    display: flex;
    transform: translateX(0);
  }
  
  .nav-menu {
    flex-direction: column;
    align-items: flex-end; 
    gap: var(--spacing-md);
    text-align: right;
    width: 100%;
  }

  .nav-link {
    font-size: var(--font-lg);
  }

  .mobile-auth-item {
    display: block;
    padding-top: var(--spacing-md);
  }
  .mobile-auth-item.auth-divider {
    height: 1px;
    width: 100px;
    background: var(--border-color);
    margin: var(--spacing-md) 0;
    padding: 0;
  }
  .mobile-auth-item .btn {
    width: 150px;
    text-align: center;
  }

  /* -- MODIFICATION --: Masquer les boutons d'authentification du header */
  .auth-actions {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .header-container {
    min-height: 60px;
  }
  
  .logo-image {
    height: 32px;
  }
  
  .logo-text {
    font-size: var(--font-lg);
  }
  
  .lang-selector-bar {
    padding: 0 var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .header-container {
    padding: 0 var(--spacing-sm);
  }
  
  .logo-image {
    height: 28px;
  }
  
  .logo-text {
    font-size: var(--font-base);
  }
  
  .language-dropdown,
  .user-dropdown {
    position: fixed;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - var(--spacing-xl));
    max-width: 300px;
  }
  
  .language-dropdown.show,
  .user-dropdown.show {
    transform: translateX(-50%);
  }
}

/* === LOADING ET ÉTATS === */
.loading {
  text-align: center;
  padding: var(--spacing-lg);
  color: var(--text-color);
  opacity: 0.7;
}

.loading::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
  margin-right: var(--spacing-sm);
  vertical-align: middle;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}