.header {
  background: #000000;
  padding: 0.8rem 2rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid #ffffff;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 2rem;
}

.header-spacer {
  flex: 1;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: white;
  letter-spacing: 1px;
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  transition: all 0.3s ease;
  margin-left: auto;
}

.menu-toggle span {
  width: 28px;
  height: 3px;
  background: white;
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}

.menu-toggle:hover span {
  background: #cccccc;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

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

.user-profile-header {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  white-space: nowrap;
}

.user-profile-header:hover {
  background: rgba(255, 255, 255, 0.1);
}

.user-avatar-header {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #ffffff;
}

.user-avatar-header-placeholder {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: #000000;
  border: 2px solid #ffffff;
}

.username-header {
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dropdown-arrow {
  font-size: 0.7rem;
  transition: transform 0.3s ease;
  margin-left: 0.4rem;
}

.user-profile-header:active .dropdown-arrow {
  transform: rotate(180deg);
}

.user-dropdown {
  position: absolute;
  top: calc(100% + 0.8rem);
  right: -20px;
  background: #1a1a1a;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  min-width: 220px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 101;
  overflow: hidden;
}

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

.user-dropdown-header {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.user-dropdown-username {
  color: #ffffff;
  font-weight: 700;
  font-size: 0.9rem;
}

.user-dropdown-email {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
}

.user-dropdown-section {
  display: flex;
  flex-direction: column;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.user-dropdown-section:last-child {
  border-bottom: none;
}

.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1rem;
  color: #ffffff;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 0.85rem;
}

.user-dropdown-item:hover {
  background: rgba(255, 255, 255, 0.08);
}

.dropdown-item-icon {
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
}

.logout-item {
  color: #ff6b6b;
}

.logout-item:hover {
  background: rgba(255, 107, 107, 0.1);
}

@media (max-width: 768px) {
  .header {
    padding: 0.75rem 1rem;
  }

  .logo {
    font-size: 1.2rem;
  }

  .username-header {
    display: none;
  }
}