/* Navigation principale */
.nav-link {
  padding: 0.7rem 1rem !important;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9) !important;
  transition: all 0.3s ease;
}

.nav-hover {
  position: relative;
}

.nav-hover::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 50%;
  background-color: white;
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-hover:hover::after {
  width: 70%;
}

.nav-hover:hover {
  color: white !important;
}

.nav-green {
  background: linear-gradient(135deg, #0066cc, #0099ff);
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

/* Dropdown Menu */
.dropdown-menu {
  margin-top: 0.5rem;
  border: none;
  border-radius: 12px;
  box-shadow: 0 5px 25px rgba(0,0,0,0.1);
  animation: dropdownFade 0.2s ease-out;
}

.dropdown-item {
  padding: 0.7rem 1rem;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.dropdown-item:hover {
  background-color: rgba(0,0,0,0.03);
  transform: translateX(5px);
}

.dropdown-item.active {
  background-color: rgba(0,123,255,0.1);
  color: #0d6efd;
}

.dropdown-item i.fas {
  width: 20px;
  text-align: center;
}

/* Logo et marque */
.navbar-brand {
  padding: 0;
}

.brand-text {
  font-weight: 600;
  font-size: 1.2rem;
  color: white;
  letter-spacing: 0.5px;
}

.navbar-brand img {
  transition: transform 0.3s ease;
}

.navbar-brand:hover img {
  transform: scale(1.05);
}

/* Boutons d'authentification */
.auth-buttons {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.btn {
  padding: 0.6rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-light {
  background: rgba(255, 255, 255, 0.9);
  border: none;
}

.btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.btn-login {
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-login:hover {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-register {
  background: linear-gradient(45deg, #2196F3, #00BCD4);
  color: white;
  border: none;
  box-shadow: 0 4px 15px rgba(33, 150, 243, 0.3);
}

.btn-register:hover {
  background: linear-gradient(45deg, #1976D2, #00ACC1);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(33, 150, 243, 0.4);
  color: white;
}

/* Toggle Button */
.navbar-toggler {
  border: none;
  padding: 0.5rem;
  transition: all 0.3s ease;
}

.navbar-toggler:focus {
  box-shadow: none;
  outline: none;
}

/* Animations */
@keyframes dropdownFade {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Media Queries */
@media (max-width: 768px) {
  .navbar-collapse {
    background: linear-gradient(135deg, #0066cc, #0099ff);
    padding: 1rem;
    border-radius: 12px;
    margin-top: 1rem;
  }
  
  .nav-link {
    padding: 0.8rem 1rem !important;
  }
  
  .dropdown-menu {
    background-color: rgba(255,255,255,0.05);
    box-shadow: none;
  }
  
  .btn {
    width: 100%;
    margin: 0.5rem 0;
  }

  .auth-buttons {
    flex-direction: column;
    width: 100%;
    padding: 1rem 0;
  }

  .btn-auth {
    width: 100%;
    justify-content: center;
    padding: 0.8rem;
  }
}