/* Navigation Bar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--navbar-bg);
  backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px var(--shadow-light);
  z-index: 1000;
  border-bottom: 1px solid var(--navbar-border);
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.nav-logo a {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.5rem;
  transition: all 0.3s ease;
  padding-left: 1rem;
}

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

.logo-icon {
  font-size: 2rem;
  margin-right: 0.5rem;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-5px);
  }
}

.logo-text {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  margin-left: 2rem;
}

.nav-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s ease;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  position: relative;
}

.nav-link:hover {
  color: var(--accent-color);
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.nav-link.active {
  color: var(--accent-color);
  background: var(--accent-hover);
}

.nav-link::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 50%;
  background: var(--accent-color);
  transition: all 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
  left: 10%;
}

/* Conteneur pour les contrôles (thème + hamburger) */
.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Sélecteur de langue */
.language-selector {
  position: relative;
}

.language-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0.75rem;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

.language-toggle:hover {
  color: var(--accent-color);
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.language-flag {
  font-size: 1rem;
  font-weight: 600;
}

/* Menu hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 0.5rem;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 2px;
}

/* Animation hamburger */
.hamburger.active .bar:nth-child(2) {
  opacity: 0;
}

.hamburger.active .bar:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.hamburger.active .bar:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Responsive design pour la navbar */
@media (max-width: 1024px) {
  .nav-item {
    margin-left: 1.5rem;
  }
}

@media (max-width: 768px) {
  .nav-container {
    padding: 0 1rem 0 0;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 80px;
    flex-direction: column;
    background: var(--navbar-bg);
    backdrop-filter: blur(20px);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px var(--shadow-light);
    border-bottom: 1px solid var(--border-color);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-item {
    margin: 0;
    width: 100%;
  }

  .nav-link {
    padding: 1.5rem;
    width: 100%;
    display: block;
    border-radius: 0;
  }

  .hamburger {
    display: flex;
  }
}

@media (max-width: 480px) {
  .nav-container {
    height: 70px;
    padding: 0 1rem 0 0;
  }

  .navbar {
    height: 70px;
  }

  .nav-menu {
    top: 70px;
  }

  .nav-logo a {
    font-size: 1.3rem;
  }

  .logo-icon {
    font-size: 1.5rem;
  }

  .nav-controls {
    gap: 0.2rem;
  }

  .theme-toggle {
    width: 32px;
    height: 32px;
  }

  .theme-toggle i {
    font-size: 0.9rem;
  }
}

/* ==========================================
   DARK MODE - Bouton de thème
   ========================================== */

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-left: 1rem;
  color: var(--text-secondary);
}

.theme-toggle:hover {
  background: var(--accent-hover);
  color: var(--accent-color);
  transform: scale(1.1);
}

.theme-toggle i {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.theme-toggle:hover i {
  transform: rotate(180deg);
}

/* Animation pour le changement de thème */
.theme-toggle.rotating i {
  animation: rotate 0.6s ease-in-out;
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Responsive pour le bouton de thème */
@media (max-width: 768px) {
  .nav-controls {
    gap: 0.25rem;
  }

  .language-toggle {
    padding: 0.4rem 0.6rem;
    font-size: 0.8rem;
  }

  .language-flag {
    font-size: 1rem;
  }

  .theme-toggle {
    margin-left: 0;
    width: 35px;
    height: 35px;
    order: 1; /* Bouton de thème en premier */
  }

  .theme-toggle i {
    font-size: 1rem;
  }

  .hamburger {
    order: 2; /* Hamburger en second */
  }
}

[data-theme="dark"] .navbar {
  background: #000 !important;
  /* ou background: rgba(0,0,0,1) !important; */
  box-shadow: 0 2px 20px var(--shadow-light);
  border-bottom: 1px solid var(--navbar-border);
}