/* Header Styles */
.header {
  height: var(--header-height);
  background-color: var(--header-bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 900;
  box-shadow: 0 2px 10px var(--shadow);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-left h2 {
  margin-bottom: 0;
  font-weight: 500;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.25rem;
  margin-right: var(--spacing-md);
  cursor: pointer;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.external-nav {
  display: flex;
  gap: 1.5rem;
}

.external-nav a {
  color: var(--secondary-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color var(--transition-speed);
}

.external-nav a:hover {
  color: var(--text);
  text-decoration: none;
}

/* Theme Toggle */
.theme-toggle {
  background: transparent;
  border: none;
  color: var(--secondary-text);
  font-size: 1.25rem;
  padding: 0.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

.theme-toggle:hover {
  background-color: var(--hover);
  color: var(--text);
}

/* User Profile */
.user-profile {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius);
  transition: background-color var(--transition-speed);
}

.user-profile:hover {
  background-color: var(--hover);
}

#user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  width: 200px;
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  border: 1px solid var(--border);
  box-shadow: 0 5px 15px var(--shadow);
  z-index: 1000;
  display: none;
}

.user-profile:hover .user-dropdown {
  display: block;
}

.user-dropdown a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  color: var(--text);
  transition: background-color var(--transition-speed);
}

.user-dropdown a:hover {
  background-color: var(--hover);
  text-decoration: none;
}

@media (max-width: 992px) {
  .external-nav span {
    display: none;
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }
  
  .external-nav {
    display: none;
  }
  
  .header-right {
    gap: 0.5rem;
  }
  
  #page-title {
    font-size: 1rem;
  }
}